Wed, 27 Aug 2008 00:21:55 -0700
5108146: Merge i486 and amd64 cpu directories
6459804: Want client (c1) compiler for x86_64 (amd64) for faster start-up
Reviewed-by: kvn
duke@435 | 1 | /* |
duke@435 | 2 | * Copyright 2000-2006 Sun Microsystems, Inc. All Rights Reserved. |
duke@435 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
duke@435 | 4 | * |
duke@435 | 5 | * This code is free software; you can redistribute it and/or modify it |
duke@435 | 6 | * under the terms of the GNU General Public License version 2 only, as |
duke@435 | 7 | * published by the Free Software Foundation. |
duke@435 | 8 | * |
duke@435 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
duke@435 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
duke@435 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
duke@435 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
duke@435 | 13 | * accompanied this code). |
duke@435 | 14 | * |
duke@435 | 15 | * You should have received a copy of the GNU General Public License version |
duke@435 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
duke@435 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
duke@435 | 18 | * |
duke@435 | 19 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
duke@435 | 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
duke@435 | 21 | * have any questions. |
duke@435 | 22 | * |
duke@435 | 23 | */ |
duke@435 | 24 | |
duke@435 | 25 | class BlockBegin; |
duke@435 | 26 | class BlockList; |
duke@435 | 27 | class LIR_Assembler; |
duke@435 | 28 | class CodeEmitInfo; |
duke@435 | 29 | class CodeStub; |
duke@435 | 30 | class CodeStubList; |
duke@435 | 31 | class ArrayCopyStub; |
duke@435 | 32 | class LIR_Op; |
duke@435 | 33 | class ciType; |
duke@435 | 34 | class ValueType; |
duke@435 | 35 | class LIR_OpVisitState; |
duke@435 | 36 | class FpuStackSim; |
duke@435 | 37 | |
duke@435 | 38 | //--------------------------------------------------------------------- |
duke@435 | 39 | // LIR Operands |
duke@435 | 40 | // LIR_OprDesc |
duke@435 | 41 | // LIR_OprPtr |
duke@435 | 42 | // LIR_Const |
duke@435 | 43 | // LIR_Address |
duke@435 | 44 | //--------------------------------------------------------------------- |
duke@435 | 45 | class LIR_OprDesc; |
duke@435 | 46 | class LIR_OprPtr; |
duke@435 | 47 | class LIR_Const; |
duke@435 | 48 | class LIR_Address; |
duke@435 | 49 | class LIR_OprVisitor; |
duke@435 | 50 | |
duke@435 | 51 | |
duke@435 | 52 | typedef LIR_OprDesc* LIR_Opr; |
duke@435 | 53 | typedef int RegNr; |
duke@435 | 54 | |
duke@435 | 55 | define_array(LIR_OprArray, LIR_Opr) |
duke@435 | 56 | define_stack(LIR_OprList, LIR_OprArray) |
duke@435 | 57 | |
duke@435 | 58 | define_array(LIR_OprRefArray, LIR_Opr*) |
duke@435 | 59 | define_stack(LIR_OprRefList, LIR_OprRefArray) |
duke@435 | 60 | |
duke@435 | 61 | define_array(CodeEmitInfoArray, CodeEmitInfo*) |
duke@435 | 62 | define_stack(CodeEmitInfoList, CodeEmitInfoArray) |
duke@435 | 63 | |
duke@435 | 64 | define_array(LIR_OpArray, LIR_Op*) |
duke@435 | 65 | define_stack(LIR_OpList, LIR_OpArray) |
duke@435 | 66 | |
duke@435 | 67 | // define LIR_OprPtr early so LIR_OprDesc can refer to it |
duke@435 | 68 | class LIR_OprPtr: public CompilationResourceObj { |
duke@435 | 69 | public: |
duke@435 | 70 | bool is_oop_pointer() const { return (type() == T_OBJECT); } |
duke@435 | 71 | bool is_float_kind() const { BasicType t = type(); return (t == T_FLOAT) || (t == T_DOUBLE); } |
duke@435 | 72 | |
duke@435 | 73 | virtual LIR_Const* as_constant() { return NULL; } |
duke@435 | 74 | virtual LIR_Address* as_address() { return NULL; } |
duke@435 | 75 | virtual BasicType type() const = 0; |
duke@435 | 76 | virtual void print_value_on(outputStream* out) const = 0; |
duke@435 | 77 | }; |
duke@435 | 78 | |
duke@435 | 79 | |
duke@435 | 80 | |
duke@435 | 81 | // LIR constants |
duke@435 | 82 | class LIR_Const: public LIR_OprPtr { |
duke@435 | 83 | private: |
duke@435 | 84 | JavaValue _value; |
duke@435 | 85 | |
duke@435 | 86 | void type_check(BasicType t) const { assert(type() == t, "type check"); } |
duke@435 | 87 | void type_check(BasicType t1, BasicType t2) const { assert(type() == t1 || type() == t2, "type check"); } |
duke@435 | 88 | |
duke@435 | 89 | public: |
duke@435 | 90 | LIR_Const(jint i) { _value.set_type(T_INT); _value.set_jint(i); } |
duke@435 | 91 | LIR_Const(jlong l) { _value.set_type(T_LONG); _value.set_jlong(l); } |
duke@435 | 92 | LIR_Const(jfloat f) { _value.set_type(T_FLOAT); _value.set_jfloat(f); } |
duke@435 | 93 | LIR_Const(jdouble d) { _value.set_type(T_DOUBLE); _value.set_jdouble(d); } |
duke@435 | 94 | LIR_Const(jobject o) { _value.set_type(T_OBJECT); _value.set_jobject(o); } |
duke@435 | 95 | LIR_Const(void* p) { |
duke@435 | 96 | #ifdef _LP64 |
duke@435 | 97 | assert(sizeof(jlong) >= sizeof(p), "too small");; |
duke@435 | 98 | _value.set_type(T_LONG); _value.set_jlong((jlong)p); |
duke@435 | 99 | #else |
duke@435 | 100 | assert(sizeof(jint) >= sizeof(p), "too small");; |
duke@435 | 101 | _value.set_type(T_INT); _value.set_jint((jint)p); |
duke@435 | 102 | #endif |
duke@435 | 103 | } |
duke@435 | 104 | |
duke@435 | 105 | virtual BasicType type() const { return _value.get_type(); } |
duke@435 | 106 | virtual LIR_Const* as_constant() { return this; } |
duke@435 | 107 | |
duke@435 | 108 | jint as_jint() const { type_check(T_INT ); return _value.get_jint(); } |
duke@435 | 109 | jlong as_jlong() const { type_check(T_LONG ); return _value.get_jlong(); } |
duke@435 | 110 | jfloat as_jfloat() const { type_check(T_FLOAT ); return _value.get_jfloat(); } |
duke@435 | 111 | jdouble as_jdouble() const { type_check(T_DOUBLE); return _value.get_jdouble(); } |
duke@435 | 112 | jobject as_jobject() const { type_check(T_OBJECT); return _value.get_jobject(); } |
duke@435 | 113 | jint as_jint_lo() const { type_check(T_LONG ); return low(_value.get_jlong()); } |
duke@435 | 114 | jint as_jint_hi() const { type_check(T_LONG ); return high(_value.get_jlong()); } |
duke@435 | 115 | |
duke@435 | 116 | #ifdef _LP64 |
duke@435 | 117 | address as_pointer() const { type_check(T_LONG ); return (address)_value.get_jlong(); } |
duke@435 | 118 | #else |
duke@435 | 119 | address as_pointer() const { type_check(T_INT ); return (address)_value.get_jint(); } |
duke@435 | 120 | #endif |
duke@435 | 121 | |
duke@435 | 122 | |
duke@435 | 123 | jint as_jint_bits() const { type_check(T_FLOAT, T_INT); return _value.get_jint(); } |
duke@435 | 124 | jint as_jint_lo_bits() const { |
duke@435 | 125 | if (type() == T_DOUBLE) { |
duke@435 | 126 | return low(jlong_cast(_value.get_jdouble())); |
duke@435 | 127 | } else { |
duke@435 | 128 | return as_jint_lo(); |
duke@435 | 129 | } |
duke@435 | 130 | } |
duke@435 | 131 | jint as_jint_hi_bits() const { |
duke@435 | 132 | if (type() == T_DOUBLE) { |
duke@435 | 133 | return high(jlong_cast(_value.get_jdouble())); |
duke@435 | 134 | } else { |
duke@435 | 135 | return as_jint_hi(); |
duke@435 | 136 | } |
duke@435 | 137 | } |
never@739 | 138 | jlong as_jlong_bits() const { |
never@739 | 139 | if (type() == T_DOUBLE) { |
never@739 | 140 | return jlong_cast(_value.get_jdouble()); |
never@739 | 141 | } else { |
never@739 | 142 | return as_jlong(); |
never@739 | 143 | } |
never@739 | 144 | } |
duke@435 | 145 | |
duke@435 | 146 | virtual void print_value_on(outputStream* out) const PRODUCT_RETURN; |
duke@435 | 147 | |
duke@435 | 148 | |
duke@435 | 149 | bool is_zero_float() { |
duke@435 | 150 | jfloat f = as_jfloat(); |
duke@435 | 151 | jfloat ok = 0.0f; |
duke@435 | 152 | return jint_cast(f) == jint_cast(ok); |
duke@435 | 153 | } |
duke@435 | 154 | |
duke@435 | 155 | bool is_one_float() { |
duke@435 | 156 | jfloat f = as_jfloat(); |
duke@435 | 157 | return !g_isnan(f) && g_isfinite(f) && f == 1.0; |
duke@435 | 158 | } |
duke@435 | 159 | |
duke@435 | 160 | bool is_zero_double() { |
duke@435 | 161 | jdouble d = as_jdouble(); |
duke@435 | 162 | jdouble ok = 0.0; |
duke@435 | 163 | return jlong_cast(d) == jlong_cast(ok); |
duke@435 | 164 | } |
duke@435 | 165 | |
duke@435 | 166 | bool is_one_double() { |
duke@435 | 167 | jdouble d = as_jdouble(); |
duke@435 | 168 | return !g_isnan(d) && g_isfinite(d) && d == 1.0; |
duke@435 | 169 | } |
duke@435 | 170 | }; |
duke@435 | 171 | |
duke@435 | 172 | |
duke@435 | 173 | //---------------------LIR Operand descriptor------------------------------------ |
duke@435 | 174 | // |
duke@435 | 175 | // The class LIR_OprDesc represents a LIR instruction operand; |
duke@435 | 176 | // it can be a register (ALU/FPU), stack location or a constant; |
duke@435 | 177 | // Constants and addresses are represented as resource area allocated |
duke@435 | 178 | // structures (see above). |
duke@435 | 179 | // Registers and stack locations are inlined into the this pointer |
duke@435 | 180 | // (see value function). |
duke@435 | 181 | |
duke@435 | 182 | class LIR_OprDesc: public CompilationResourceObj { |
duke@435 | 183 | public: |
duke@435 | 184 | // value structure: |
duke@435 | 185 | // data opr-type opr-kind |
duke@435 | 186 | // +--------------+-------+-------+ |
duke@435 | 187 | // [max...........|7 6 5 4|3 2 1 0] |
duke@435 | 188 | // ^ |
duke@435 | 189 | // is_pointer bit |
duke@435 | 190 | // |
duke@435 | 191 | // lowest bit cleared, means it is a structure pointer |
duke@435 | 192 | // we need 4 bits to represent types |
duke@435 | 193 | |
duke@435 | 194 | private: |
duke@435 | 195 | friend class LIR_OprFact; |
duke@435 | 196 | |
duke@435 | 197 | // Conversion |
duke@435 | 198 | intptr_t value() const { return (intptr_t) this; } |
duke@435 | 199 | |
duke@435 | 200 | bool check_value_mask(intptr_t mask, intptr_t masked_value) const { |
duke@435 | 201 | return (value() & mask) == masked_value; |
duke@435 | 202 | } |
duke@435 | 203 | |
duke@435 | 204 | enum OprKind { |
duke@435 | 205 | pointer_value = 0 |
duke@435 | 206 | , stack_value = 1 |
duke@435 | 207 | , cpu_register = 3 |
duke@435 | 208 | , fpu_register = 5 |
duke@435 | 209 | , illegal_value = 7 |
duke@435 | 210 | }; |
duke@435 | 211 | |
duke@435 | 212 | enum OprBits { |
duke@435 | 213 | pointer_bits = 1 |
duke@435 | 214 | , kind_bits = 3 |
duke@435 | 215 | , type_bits = 4 |
duke@435 | 216 | , size_bits = 2 |
duke@435 | 217 | , destroys_bits = 1 |
duke@435 | 218 | , virtual_bits = 1 |
duke@435 | 219 | , is_xmm_bits = 1 |
duke@435 | 220 | , last_use_bits = 1 |
duke@435 | 221 | , is_fpu_stack_offset_bits = 1 // used in assertion checking on x86 for FPU stack slot allocation |
duke@435 | 222 | , non_data_bits = kind_bits + type_bits + size_bits + destroys_bits + last_use_bits + |
duke@435 | 223 | is_fpu_stack_offset_bits + virtual_bits + is_xmm_bits |
duke@435 | 224 | , data_bits = BitsPerInt - non_data_bits |
duke@435 | 225 | , reg_bits = data_bits / 2 // for two registers in one value encoding |
duke@435 | 226 | }; |
duke@435 | 227 | |
duke@435 | 228 | enum OprShift { |
duke@435 | 229 | kind_shift = 0 |
duke@435 | 230 | , type_shift = kind_shift + kind_bits |
duke@435 | 231 | , size_shift = type_shift + type_bits |
duke@435 | 232 | , destroys_shift = size_shift + size_bits |
duke@435 | 233 | , last_use_shift = destroys_shift + destroys_bits |
duke@435 | 234 | , is_fpu_stack_offset_shift = last_use_shift + last_use_bits |
duke@435 | 235 | , virtual_shift = is_fpu_stack_offset_shift + is_fpu_stack_offset_bits |
duke@435 | 236 | , is_xmm_shift = virtual_shift + virtual_bits |
duke@435 | 237 | , data_shift = is_xmm_shift + is_xmm_bits |
duke@435 | 238 | , reg1_shift = data_shift |
duke@435 | 239 | , reg2_shift = data_shift + reg_bits |
duke@435 | 240 | |
duke@435 | 241 | }; |
duke@435 | 242 | |
duke@435 | 243 | enum OprSize { |
duke@435 | 244 | single_size = 0 << size_shift |
duke@435 | 245 | , double_size = 1 << size_shift |
duke@435 | 246 | }; |
duke@435 | 247 | |
duke@435 | 248 | enum OprMask { |
duke@435 | 249 | kind_mask = right_n_bits(kind_bits) |
duke@435 | 250 | , type_mask = right_n_bits(type_bits) << type_shift |
duke@435 | 251 | , size_mask = right_n_bits(size_bits) << size_shift |
duke@435 | 252 | , last_use_mask = right_n_bits(last_use_bits) << last_use_shift |
duke@435 | 253 | , is_fpu_stack_offset_mask = right_n_bits(is_fpu_stack_offset_bits) << is_fpu_stack_offset_shift |
duke@435 | 254 | , virtual_mask = right_n_bits(virtual_bits) << virtual_shift |
duke@435 | 255 | , is_xmm_mask = right_n_bits(is_xmm_bits) << is_xmm_shift |
duke@435 | 256 | , pointer_mask = right_n_bits(pointer_bits) |
duke@435 | 257 | , lower_reg_mask = right_n_bits(reg_bits) |
duke@435 | 258 | , no_type_mask = (int)(~(type_mask | last_use_mask | is_fpu_stack_offset_mask)) |
duke@435 | 259 | }; |
duke@435 | 260 | |
duke@435 | 261 | uintptr_t data() const { return value() >> data_shift; } |
duke@435 | 262 | int lo_reg_half() const { return data() & lower_reg_mask; } |
duke@435 | 263 | int hi_reg_half() const { return (data() >> reg_bits) & lower_reg_mask; } |
duke@435 | 264 | OprKind kind_field() const { return (OprKind)(value() & kind_mask); } |
duke@435 | 265 | OprSize size_field() const { return (OprSize)(value() & size_mask); } |
duke@435 | 266 | |
duke@435 | 267 | static char type_char(BasicType t); |
duke@435 | 268 | |
duke@435 | 269 | public: |
duke@435 | 270 | enum { |
duke@435 | 271 | vreg_base = ConcreteRegisterImpl::number_of_registers, |
duke@435 | 272 | vreg_max = (1 << data_bits) - 1 |
duke@435 | 273 | }; |
duke@435 | 274 | |
duke@435 | 275 | static inline LIR_Opr illegalOpr(); |
duke@435 | 276 | |
duke@435 | 277 | enum OprType { |
duke@435 | 278 | unknown_type = 0 << type_shift // means: not set (catch uninitialized types) |
duke@435 | 279 | , int_type = 1 << type_shift |
duke@435 | 280 | , long_type = 2 << type_shift |
duke@435 | 281 | , object_type = 3 << type_shift |
duke@435 | 282 | , pointer_type = 4 << type_shift |
duke@435 | 283 | , float_type = 5 << type_shift |
duke@435 | 284 | , double_type = 6 << type_shift |
duke@435 | 285 | }; |
duke@435 | 286 | friend OprType as_OprType(BasicType t); |
duke@435 | 287 | friend BasicType as_BasicType(OprType t); |
duke@435 | 288 | |
duke@435 | 289 | OprType type_field_valid() const { assert(is_register() || is_stack(), "should not be called otherwise"); return (OprType)(value() & type_mask); } |
duke@435 | 290 | OprType type_field() const { return is_illegal() ? unknown_type : (OprType)(value() & type_mask); } |
duke@435 | 291 | |
duke@435 | 292 | static OprSize size_for(BasicType t) { |
duke@435 | 293 | switch (t) { |
duke@435 | 294 | case T_LONG: |
duke@435 | 295 | case T_DOUBLE: |
duke@435 | 296 | return double_size; |
duke@435 | 297 | break; |
duke@435 | 298 | |
duke@435 | 299 | case T_FLOAT: |
duke@435 | 300 | case T_BOOLEAN: |
duke@435 | 301 | case T_CHAR: |
duke@435 | 302 | case T_BYTE: |
duke@435 | 303 | case T_SHORT: |
duke@435 | 304 | case T_INT: |
duke@435 | 305 | case T_OBJECT: |
duke@435 | 306 | case T_ARRAY: |
duke@435 | 307 | return single_size; |
duke@435 | 308 | break; |
duke@435 | 309 | |
duke@435 | 310 | default: |
duke@435 | 311 | ShouldNotReachHere(); |
never@739 | 312 | return single_size; |
duke@435 | 313 | } |
duke@435 | 314 | } |
duke@435 | 315 | |
duke@435 | 316 | |
duke@435 | 317 | void validate_type() const PRODUCT_RETURN; |
duke@435 | 318 | |
duke@435 | 319 | BasicType type() const { |
duke@435 | 320 | if (is_pointer()) { |
duke@435 | 321 | return pointer()->type(); |
duke@435 | 322 | } |
duke@435 | 323 | return as_BasicType(type_field()); |
duke@435 | 324 | } |
duke@435 | 325 | |
duke@435 | 326 | |
duke@435 | 327 | ValueType* value_type() const { return as_ValueType(type()); } |
duke@435 | 328 | |
duke@435 | 329 | char type_char() const { return type_char((is_pointer()) ? pointer()->type() : type()); } |
duke@435 | 330 | |
duke@435 | 331 | bool is_equal(LIR_Opr opr) const { return this == opr; } |
duke@435 | 332 | // checks whether types are same |
duke@435 | 333 | bool is_same_type(LIR_Opr opr) const { |
duke@435 | 334 | assert(type_field() != unknown_type && |
duke@435 | 335 | opr->type_field() != unknown_type, "shouldn't see unknown_type"); |
duke@435 | 336 | return type_field() == opr->type_field(); |
duke@435 | 337 | } |
duke@435 | 338 | bool is_same_register(LIR_Opr opr) { |
duke@435 | 339 | return (is_register() && opr->is_register() && |
duke@435 | 340 | kind_field() == opr->kind_field() && |
duke@435 | 341 | (value() & no_type_mask) == (opr->value() & no_type_mask)); |
duke@435 | 342 | } |
duke@435 | 343 | |
duke@435 | 344 | bool is_pointer() const { return check_value_mask(pointer_mask, pointer_value); } |
duke@435 | 345 | bool is_illegal() const { return kind_field() == illegal_value; } |
duke@435 | 346 | bool is_valid() const { return kind_field() != illegal_value; } |
duke@435 | 347 | |
duke@435 | 348 | bool is_register() const { return is_cpu_register() || is_fpu_register(); } |
duke@435 | 349 | bool is_virtual() const { return is_virtual_cpu() || is_virtual_fpu(); } |
duke@435 | 350 | |
duke@435 | 351 | bool is_constant() const { return is_pointer() && pointer()->as_constant() != NULL; } |
duke@435 | 352 | bool is_address() const { return is_pointer() && pointer()->as_address() != NULL; } |
duke@435 | 353 | |
duke@435 | 354 | bool is_float_kind() const { return is_pointer() ? pointer()->is_float_kind() : (kind_field() == fpu_register); } |
duke@435 | 355 | bool is_oop() const; |
duke@435 | 356 | |
duke@435 | 357 | // semantic for fpu- and xmm-registers: |
duke@435 | 358 | // * is_float and is_double return true for xmm_registers |
duke@435 | 359 | // (so is_single_fpu and is_single_xmm are true) |
duke@435 | 360 | // * So you must always check for is_???_xmm prior to is_???_fpu to |
duke@435 | 361 | // distinguish between fpu- and xmm-registers |
duke@435 | 362 | |
duke@435 | 363 | bool is_stack() const { validate_type(); return check_value_mask(kind_mask, stack_value); } |
duke@435 | 364 | bool is_single_stack() const { validate_type(); return check_value_mask(kind_mask | size_mask, stack_value | single_size); } |
duke@435 | 365 | bool is_double_stack() const { validate_type(); return check_value_mask(kind_mask | size_mask, stack_value | double_size); } |
duke@435 | 366 | |
duke@435 | 367 | bool is_cpu_register() const { validate_type(); return check_value_mask(kind_mask, cpu_register); } |
duke@435 | 368 | bool is_virtual_cpu() const { validate_type(); return check_value_mask(kind_mask | virtual_mask, cpu_register | virtual_mask); } |
duke@435 | 369 | bool is_fixed_cpu() const { validate_type(); return check_value_mask(kind_mask | virtual_mask, cpu_register); } |
duke@435 | 370 | bool is_single_cpu() const { validate_type(); return check_value_mask(kind_mask | size_mask, cpu_register | single_size); } |
duke@435 | 371 | bool is_double_cpu() const { validate_type(); return check_value_mask(kind_mask | size_mask, cpu_register | double_size); } |
duke@435 | 372 | |
duke@435 | 373 | bool is_fpu_register() const { validate_type(); return check_value_mask(kind_mask, fpu_register); } |
duke@435 | 374 | bool is_virtual_fpu() const { validate_type(); return check_value_mask(kind_mask | virtual_mask, fpu_register | virtual_mask); } |
duke@435 | 375 | bool is_fixed_fpu() const { validate_type(); return check_value_mask(kind_mask | virtual_mask, fpu_register); } |
duke@435 | 376 | bool is_single_fpu() const { validate_type(); return check_value_mask(kind_mask | size_mask, fpu_register | single_size); } |
duke@435 | 377 | bool is_double_fpu() const { validate_type(); return check_value_mask(kind_mask | size_mask, fpu_register | double_size); } |
duke@435 | 378 | |
duke@435 | 379 | bool is_xmm_register() const { validate_type(); return check_value_mask(kind_mask | is_xmm_mask, fpu_register | is_xmm_mask); } |
duke@435 | 380 | bool is_single_xmm() const { validate_type(); return check_value_mask(kind_mask | size_mask | is_xmm_mask, fpu_register | single_size | is_xmm_mask); } |
duke@435 | 381 | bool is_double_xmm() const { validate_type(); return check_value_mask(kind_mask | size_mask | is_xmm_mask, fpu_register | double_size | is_xmm_mask); } |
duke@435 | 382 | |
duke@435 | 383 | // fast accessor functions for special bits that do not work for pointers |
duke@435 | 384 | // (in this functions, the check for is_pointer() is omitted) |
duke@435 | 385 | bool is_single_word() const { assert(is_register() || is_stack(), "type check"); return check_value_mask(size_mask, single_size); } |
duke@435 | 386 | bool is_double_word() const { assert(is_register() || is_stack(), "type check"); return check_value_mask(size_mask, double_size); } |
duke@435 | 387 | bool is_virtual_register() const { assert(is_register(), "type check"); return check_value_mask(virtual_mask, virtual_mask); } |
duke@435 | 388 | bool is_oop_register() const { assert(is_register() || is_stack(), "type check"); return type_field_valid() == object_type; } |
duke@435 | 389 | BasicType type_register() const { assert(is_register() || is_stack(), "type check"); return as_BasicType(type_field_valid()); } |
duke@435 | 390 | |
duke@435 | 391 | bool is_last_use() const { assert(is_register(), "only works for registers"); return (value() & last_use_mask) != 0; } |
duke@435 | 392 | bool is_fpu_stack_offset() const { assert(is_register(), "only works for registers"); return (value() & is_fpu_stack_offset_mask) != 0; } |
duke@435 | 393 | LIR_Opr make_last_use() { assert(is_register(), "only works for registers"); return (LIR_Opr)(value() | last_use_mask); } |
duke@435 | 394 | LIR_Opr make_fpu_stack_offset() { assert(is_register(), "only works for registers"); return (LIR_Opr)(value() | is_fpu_stack_offset_mask); } |
duke@435 | 395 | |
duke@435 | 396 | |
duke@435 | 397 | int single_stack_ix() const { assert(is_single_stack() && !is_virtual(), "type check"); return (int)data(); } |
duke@435 | 398 | int double_stack_ix() const { assert(is_double_stack() && !is_virtual(), "type check"); return (int)data(); } |
duke@435 | 399 | RegNr cpu_regnr() const { assert(is_single_cpu() && !is_virtual(), "type check"); return (RegNr)data(); } |
duke@435 | 400 | RegNr cpu_regnrLo() const { assert(is_double_cpu() && !is_virtual(), "type check"); return (RegNr)lo_reg_half(); } |
duke@435 | 401 | RegNr cpu_regnrHi() const { assert(is_double_cpu() && !is_virtual(), "type check"); return (RegNr)hi_reg_half(); } |
duke@435 | 402 | RegNr fpu_regnr() const { assert(is_single_fpu() && !is_virtual(), "type check"); return (RegNr)data(); } |
duke@435 | 403 | RegNr fpu_regnrLo() const { assert(is_double_fpu() && !is_virtual(), "type check"); return (RegNr)lo_reg_half(); } |
duke@435 | 404 | RegNr fpu_regnrHi() const { assert(is_double_fpu() && !is_virtual(), "type check"); return (RegNr)hi_reg_half(); } |
duke@435 | 405 | RegNr xmm_regnr() const { assert(is_single_xmm() && !is_virtual(), "type check"); return (RegNr)data(); } |
duke@435 | 406 | RegNr xmm_regnrLo() const { assert(is_double_xmm() && !is_virtual(), "type check"); return (RegNr)lo_reg_half(); } |
duke@435 | 407 | RegNr xmm_regnrHi() const { assert(is_double_xmm() && !is_virtual(), "type check"); return (RegNr)hi_reg_half(); } |
duke@435 | 408 | int vreg_number() const { assert(is_virtual(), "type check"); return (RegNr)data(); } |
duke@435 | 409 | |
duke@435 | 410 | LIR_OprPtr* pointer() const { assert(is_pointer(), "type check"); return (LIR_OprPtr*)this; } |
duke@435 | 411 | LIR_Const* as_constant_ptr() const { return pointer()->as_constant(); } |
duke@435 | 412 | LIR_Address* as_address_ptr() const { return pointer()->as_address(); } |
duke@435 | 413 | |
duke@435 | 414 | Register as_register() const; |
duke@435 | 415 | Register as_register_lo() const; |
duke@435 | 416 | Register as_register_hi() const; |
duke@435 | 417 | |
duke@435 | 418 | Register as_pointer_register() { |
duke@435 | 419 | #ifdef _LP64 |
duke@435 | 420 | if (is_double_cpu()) { |
duke@435 | 421 | assert(as_register_lo() == as_register_hi(), "should be a single register"); |
duke@435 | 422 | return as_register_lo(); |
duke@435 | 423 | } |
duke@435 | 424 | #endif |
duke@435 | 425 | return as_register(); |
duke@435 | 426 | } |
duke@435 | 427 | |
never@739 | 428 | #ifdef X86 |
duke@435 | 429 | XMMRegister as_xmm_float_reg() const; |
duke@435 | 430 | XMMRegister as_xmm_double_reg() const; |
duke@435 | 431 | // for compatibility with RInfo |
duke@435 | 432 | int fpu () const { return lo_reg_half(); } |
never@739 | 433 | #endif // X86 |
duke@435 | 434 | |
duke@435 | 435 | #ifdef SPARC |
duke@435 | 436 | FloatRegister as_float_reg () const; |
duke@435 | 437 | FloatRegister as_double_reg () const; |
duke@435 | 438 | #endif |
duke@435 | 439 | |
duke@435 | 440 | jint as_jint() const { return as_constant_ptr()->as_jint(); } |
duke@435 | 441 | jlong as_jlong() const { return as_constant_ptr()->as_jlong(); } |
duke@435 | 442 | jfloat as_jfloat() const { return as_constant_ptr()->as_jfloat(); } |
duke@435 | 443 | jdouble as_jdouble() const { return as_constant_ptr()->as_jdouble(); } |
duke@435 | 444 | jobject as_jobject() const { return as_constant_ptr()->as_jobject(); } |
duke@435 | 445 | |
duke@435 | 446 | void print() const PRODUCT_RETURN; |
duke@435 | 447 | void print(outputStream* out) const PRODUCT_RETURN; |
duke@435 | 448 | }; |
duke@435 | 449 | |
duke@435 | 450 | |
duke@435 | 451 | inline LIR_OprDesc::OprType as_OprType(BasicType type) { |
duke@435 | 452 | switch (type) { |
duke@435 | 453 | case T_INT: return LIR_OprDesc::int_type; |
duke@435 | 454 | case T_LONG: return LIR_OprDesc::long_type; |
duke@435 | 455 | case T_FLOAT: return LIR_OprDesc::float_type; |
duke@435 | 456 | case T_DOUBLE: return LIR_OprDesc::double_type; |
duke@435 | 457 | case T_OBJECT: |
duke@435 | 458 | case T_ARRAY: return LIR_OprDesc::object_type; |
duke@435 | 459 | case T_ILLEGAL: // fall through |
duke@435 | 460 | default: ShouldNotReachHere(); return LIR_OprDesc::unknown_type; |
duke@435 | 461 | } |
duke@435 | 462 | } |
duke@435 | 463 | |
duke@435 | 464 | inline BasicType as_BasicType(LIR_OprDesc::OprType t) { |
duke@435 | 465 | switch (t) { |
duke@435 | 466 | case LIR_OprDesc::int_type: return T_INT; |
duke@435 | 467 | case LIR_OprDesc::long_type: return T_LONG; |
duke@435 | 468 | case LIR_OprDesc::float_type: return T_FLOAT; |
duke@435 | 469 | case LIR_OprDesc::double_type: return T_DOUBLE; |
duke@435 | 470 | case LIR_OprDesc::object_type: return T_OBJECT; |
duke@435 | 471 | case LIR_OprDesc::unknown_type: // fall through |
duke@435 | 472 | default: ShouldNotReachHere(); return T_ILLEGAL; |
duke@435 | 473 | } |
duke@435 | 474 | } |
duke@435 | 475 | |
duke@435 | 476 | |
duke@435 | 477 | // LIR_Address |
duke@435 | 478 | class LIR_Address: public LIR_OprPtr { |
duke@435 | 479 | friend class LIR_OpVisitState; |
duke@435 | 480 | |
duke@435 | 481 | public: |
duke@435 | 482 | // NOTE: currently these must be the log2 of the scale factor (and |
duke@435 | 483 | // must also be equivalent to the ScaleFactor enum in |
duke@435 | 484 | // assembler_i486.hpp) |
duke@435 | 485 | enum Scale { |
duke@435 | 486 | times_1 = 0, |
duke@435 | 487 | times_2 = 1, |
duke@435 | 488 | times_4 = 2, |
duke@435 | 489 | times_8 = 3 |
duke@435 | 490 | }; |
duke@435 | 491 | |
duke@435 | 492 | private: |
duke@435 | 493 | LIR_Opr _base; |
duke@435 | 494 | LIR_Opr _index; |
duke@435 | 495 | Scale _scale; |
duke@435 | 496 | intx _disp; |
duke@435 | 497 | BasicType _type; |
duke@435 | 498 | |
duke@435 | 499 | public: |
duke@435 | 500 | LIR_Address(LIR_Opr base, LIR_Opr index, BasicType type): |
duke@435 | 501 | _base(base) |
duke@435 | 502 | , _index(index) |
duke@435 | 503 | , _scale(times_1) |
duke@435 | 504 | , _type(type) |
duke@435 | 505 | , _disp(0) { verify(); } |
duke@435 | 506 | |
duke@435 | 507 | LIR_Address(LIR_Opr base, int disp, BasicType type): |
duke@435 | 508 | _base(base) |
duke@435 | 509 | , _index(LIR_OprDesc::illegalOpr()) |
duke@435 | 510 | , _scale(times_1) |
duke@435 | 511 | , _type(type) |
duke@435 | 512 | , _disp(disp) { verify(); } |
duke@435 | 513 | |
never@739 | 514 | #ifdef X86 |
duke@435 | 515 | LIR_Address(LIR_Opr base, LIR_Opr index, Scale scale, int disp, BasicType type): |
duke@435 | 516 | _base(base) |
duke@435 | 517 | , _index(index) |
duke@435 | 518 | , _scale(scale) |
duke@435 | 519 | , _type(type) |
duke@435 | 520 | , _disp(disp) { verify(); } |
never@739 | 521 | #endif // X86 |
duke@435 | 522 | |
duke@435 | 523 | LIR_Opr base() const { return _base; } |
duke@435 | 524 | LIR_Opr index() const { return _index; } |
duke@435 | 525 | Scale scale() const { return _scale; } |
duke@435 | 526 | intx disp() const { return _disp; } |
duke@435 | 527 | |
duke@435 | 528 | bool equals(LIR_Address* other) const { return base() == other->base() && index() == other->index() && disp() == other->disp() && scale() == other->scale(); } |
duke@435 | 529 | |
duke@435 | 530 | virtual LIR_Address* as_address() { return this; } |
duke@435 | 531 | virtual BasicType type() const { return _type; } |
duke@435 | 532 | virtual void print_value_on(outputStream* out) const PRODUCT_RETURN; |
duke@435 | 533 | |
duke@435 | 534 | void verify() const PRODUCT_RETURN; |
duke@435 | 535 | |
duke@435 | 536 | static Scale scale(BasicType type); |
duke@435 | 537 | }; |
duke@435 | 538 | |
duke@435 | 539 | |
duke@435 | 540 | // operand factory |
duke@435 | 541 | class LIR_OprFact: public AllStatic { |
duke@435 | 542 | public: |
duke@435 | 543 | |
duke@435 | 544 | static LIR_Opr illegalOpr; |
duke@435 | 545 | |
never@739 | 546 | static LIR_Opr single_cpu(int reg) { return (LIR_Opr)(intptr_t)((reg << LIR_OprDesc::reg1_shift) | LIR_OprDesc::int_type | LIR_OprDesc::cpu_register | LIR_OprDesc::single_size); } |
never@739 | 547 | static LIR_Opr single_cpu_oop(int reg) { return (LIR_Opr)(intptr_t)((reg << LIR_OprDesc::reg1_shift) | LIR_OprDesc::object_type | LIR_OprDesc::cpu_register | LIR_OprDesc::single_size); } |
never@739 | 548 | static LIR_Opr double_cpu(int reg1, int reg2) { |
never@739 | 549 | LP64_ONLY(assert(reg1 == reg2, "must be identical")); |
never@739 | 550 | return (LIR_Opr)(intptr_t)((reg1 << LIR_OprDesc::reg1_shift) | |
never@739 | 551 | (reg2 << LIR_OprDesc::reg2_shift) | |
never@739 | 552 | LIR_OprDesc::long_type | |
never@739 | 553 | LIR_OprDesc::cpu_register | |
never@739 | 554 | LIR_OprDesc::double_size); |
never@739 | 555 | } |
duke@435 | 556 | |
never@739 | 557 | static LIR_Opr single_fpu(int reg) { return (LIR_Opr)(intptr_t)((reg << LIR_OprDesc::reg1_shift) | |
never@739 | 558 | LIR_OprDesc::float_type | |
never@739 | 559 | LIR_OprDesc::fpu_register | |
never@739 | 560 | LIR_OprDesc::single_size); } |
duke@435 | 561 | |
duke@435 | 562 | #ifdef SPARC |
never@739 | 563 | static LIR_Opr double_fpu(int reg1, int reg2) { return (LIR_Opr)(intptr_t)((reg1 << LIR_OprDesc::reg1_shift) | |
never@739 | 564 | (reg2 << LIR_OprDesc::reg2_shift) | |
never@739 | 565 | LIR_OprDesc::double_type | |
never@739 | 566 | LIR_OprDesc::fpu_register | |
never@739 | 567 | LIR_OprDesc::double_size); } |
duke@435 | 568 | #endif |
never@739 | 569 | #ifdef X86 |
never@739 | 570 | static LIR_Opr double_fpu(int reg) { return (LIR_Opr)(intptr_t)((reg << LIR_OprDesc::reg1_shift) | |
never@739 | 571 | (reg << LIR_OprDesc::reg2_shift) | |
never@739 | 572 | LIR_OprDesc::double_type | |
never@739 | 573 | LIR_OprDesc::fpu_register | |
never@739 | 574 | LIR_OprDesc::double_size); } |
never@739 | 575 | |
never@739 | 576 | static LIR_Opr single_xmm(int reg) { return (LIR_Opr)(intptr_t)((reg << LIR_OprDesc::reg1_shift) | |
never@739 | 577 | LIR_OprDesc::float_type | |
never@739 | 578 | LIR_OprDesc::fpu_register | |
never@739 | 579 | LIR_OprDesc::single_size | |
never@739 | 580 | LIR_OprDesc::is_xmm_mask); } |
never@739 | 581 | static LIR_Opr double_xmm(int reg) { return (LIR_Opr)(intptr_t)((reg << LIR_OprDesc::reg1_shift) | |
never@739 | 582 | (reg << LIR_OprDesc::reg2_shift) | |
never@739 | 583 | LIR_OprDesc::double_type | |
never@739 | 584 | LIR_OprDesc::fpu_register | |
never@739 | 585 | LIR_OprDesc::double_size | |
never@739 | 586 | LIR_OprDesc::is_xmm_mask); } |
never@739 | 587 | #endif // X86 |
duke@435 | 588 | |
duke@435 | 589 | |
duke@435 | 590 | static LIR_Opr virtual_register(int index, BasicType type) { |
duke@435 | 591 | LIR_Opr res; |
duke@435 | 592 | switch (type) { |
duke@435 | 593 | case T_OBJECT: // fall through |
never@739 | 594 | case T_ARRAY: |
never@739 | 595 | res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) | |
never@739 | 596 | LIR_OprDesc::object_type | |
never@739 | 597 | LIR_OprDesc::cpu_register | |
never@739 | 598 | LIR_OprDesc::single_size | |
never@739 | 599 | LIR_OprDesc::virtual_mask); |
never@739 | 600 | break; |
never@739 | 601 | |
never@739 | 602 | case T_INT: |
never@739 | 603 | res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) | |
never@739 | 604 | LIR_OprDesc::int_type | |
never@739 | 605 | LIR_OprDesc::cpu_register | |
never@739 | 606 | LIR_OprDesc::single_size | |
never@739 | 607 | LIR_OprDesc::virtual_mask); |
never@739 | 608 | break; |
never@739 | 609 | |
never@739 | 610 | case T_LONG: |
never@739 | 611 | res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) | |
never@739 | 612 | LIR_OprDesc::long_type | |
never@739 | 613 | LIR_OprDesc::cpu_register | |
never@739 | 614 | LIR_OprDesc::double_size | |
never@739 | 615 | LIR_OprDesc::virtual_mask); |
never@739 | 616 | break; |
never@739 | 617 | |
never@739 | 618 | case T_FLOAT: |
never@739 | 619 | res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) | |
never@739 | 620 | LIR_OprDesc::float_type | |
never@739 | 621 | LIR_OprDesc::fpu_register | |
never@739 | 622 | LIR_OprDesc::single_size | |
never@739 | 623 | LIR_OprDesc::virtual_mask); |
never@739 | 624 | break; |
never@739 | 625 | |
never@739 | 626 | case |
never@739 | 627 | T_DOUBLE: res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) | |
never@739 | 628 | LIR_OprDesc::double_type | |
never@739 | 629 | LIR_OprDesc::fpu_register | |
never@739 | 630 | LIR_OprDesc::double_size | |
never@739 | 631 | LIR_OprDesc::virtual_mask); |
never@739 | 632 | break; |
duke@435 | 633 | |
duke@435 | 634 | default: ShouldNotReachHere(); res = illegalOpr; |
duke@435 | 635 | } |
duke@435 | 636 | |
duke@435 | 637 | #ifdef ASSERT |
duke@435 | 638 | res->validate_type(); |
duke@435 | 639 | assert(res->vreg_number() == index, "conversion check"); |
duke@435 | 640 | assert(index >= LIR_OprDesc::vreg_base, "must start at vreg_base"); |
duke@435 | 641 | assert(index <= (max_jint >> LIR_OprDesc::data_shift), "index is too big"); |
duke@435 | 642 | |
duke@435 | 643 | // old-style calculation; check if old and new method are equal |
duke@435 | 644 | LIR_OprDesc::OprType t = as_OprType(type); |
never@739 | 645 | LIR_Opr old_res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) | t | |
never@739 | 646 | ((type == T_FLOAT || type == T_DOUBLE) ? LIR_OprDesc::fpu_register : LIR_OprDesc::cpu_register) | |
duke@435 | 647 | LIR_OprDesc::size_for(type) | LIR_OprDesc::virtual_mask); |
duke@435 | 648 | assert(res == old_res, "old and new method not equal"); |
duke@435 | 649 | #endif |
duke@435 | 650 | |
duke@435 | 651 | return res; |
duke@435 | 652 | } |
duke@435 | 653 | |
duke@435 | 654 | // 'index' is computed by FrameMap::local_stack_pos(index); do not use other parameters as |
duke@435 | 655 | // the index is platform independent; a double stack useing indeces 2 and 3 has always |
duke@435 | 656 | // index 2. |
duke@435 | 657 | static LIR_Opr stack(int index, BasicType type) { |
duke@435 | 658 | LIR_Opr res; |
duke@435 | 659 | switch (type) { |
duke@435 | 660 | case T_OBJECT: // fall through |
never@739 | 661 | case T_ARRAY: |
never@739 | 662 | res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) | |
never@739 | 663 | LIR_OprDesc::object_type | |
never@739 | 664 | LIR_OprDesc::stack_value | |
never@739 | 665 | LIR_OprDesc::single_size); |
never@739 | 666 | break; |
never@739 | 667 | |
never@739 | 668 | case T_INT: |
never@739 | 669 | res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) | |
never@739 | 670 | LIR_OprDesc::int_type | |
never@739 | 671 | LIR_OprDesc::stack_value | |
never@739 | 672 | LIR_OprDesc::single_size); |
never@739 | 673 | break; |
never@739 | 674 | |
never@739 | 675 | case T_LONG: |
never@739 | 676 | res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) | |
never@739 | 677 | LIR_OprDesc::long_type | |
never@739 | 678 | LIR_OprDesc::stack_value | |
never@739 | 679 | LIR_OprDesc::double_size); |
never@739 | 680 | break; |
never@739 | 681 | |
never@739 | 682 | case T_FLOAT: |
never@739 | 683 | res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) | |
never@739 | 684 | LIR_OprDesc::float_type | |
never@739 | 685 | LIR_OprDesc::stack_value | |
never@739 | 686 | LIR_OprDesc::single_size); |
never@739 | 687 | break; |
never@739 | 688 | case T_DOUBLE: |
never@739 | 689 | res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) | |
never@739 | 690 | LIR_OprDesc::double_type | |
never@739 | 691 | LIR_OprDesc::stack_value | |
never@739 | 692 | LIR_OprDesc::double_size); |
never@739 | 693 | break; |
duke@435 | 694 | |
duke@435 | 695 | default: ShouldNotReachHere(); res = illegalOpr; |
duke@435 | 696 | } |
duke@435 | 697 | |
duke@435 | 698 | #ifdef ASSERT |
duke@435 | 699 | assert(index >= 0, "index must be positive"); |
duke@435 | 700 | assert(index <= (max_jint >> LIR_OprDesc::data_shift), "index is too big"); |
duke@435 | 701 | |
never@739 | 702 | LIR_Opr old_res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) | |
never@739 | 703 | LIR_OprDesc::stack_value | |
never@739 | 704 | as_OprType(type) | |
never@739 | 705 | LIR_OprDesc::size_for(type)); |
duke@435 | 706 | assert(res == old_res, "old and new method not equal"); |
duke@435 | 707 | #endif |
duke@435 | 708 | |
duke@435 | 709 | return res; |
duke@435 | 710 | } |
duke@435 | 711 | |
duke@435 | 712 | static LIR_Opr intConst(jint i) { return (LIR_Opr)(new LIR_Const(i)); } |
duke@435 | 713 | static LIR_Opr longConst(jlong l) { return (LIR_Opr)(new LIR_Const(l)); } |
duke@435 | 714 | static LIR_Opr floatConst(jfloat f) { return (LIR_Opr)(new LIR_Const(f)); } |
duke@435 | 715 | static LIR_Opr doubleConst(jdouble d) { return (LIR_Opr)(new LIR_Const(d)); } |
duke@435 | 716 | static LIR_Opr oopConst(jobject o) { return (LIR_Opr)(new LIR_Const(o)); } |
duke@435 | 717 | static LIR_Opr address(LIR_Address* a) { return (LIR_Opr)a; } |
duke@435 | 718 | static LIR_Opr intptrConst(void* p) { return (LIR_Opr)(new LIR_Const(p)); } |
duke@435 | 719 | static LIR_Opr intptrConst(intptr_t v) { return (LIR_Opr)(new LIR_Const((void*)v)); } |
duke@435 | 720 | static LIR_Opr illegal() { return (LIR_Opr)-1; } |
duke@435 | 721 | |
duke@435 | 722 | static LIR_Opr value_type(ValueType* type); |
duke@435 | 723 | static LIR_Opr dummy_value_type(ValueType* type); |
duke@435 | 724 | }; |
duke@435 | 725 | |
duke@435 | 726 | |
duke@435 | 727 | //------------------------------------------------------------------------------- |
duke@435 | 728 | // LIR Instructions |
duke@435 | 729 | //------------------------------------------------------------------------------- |
duke@435 | 730 | // |
duke@435 | 731 | // Note: |
duke@435 | 732 | // - every instruction has a result operand |
duke@435 | 733 | // - every instruction has an CodeEmitInfo operand (can be revisited later) |
duke@435 | 734 | // - every instruction has a LIR_OpCode operand |
duke@435 | 735 | // - LIR_OpN, means an instruction that has N input operands |
duke@435 | 736 | // |
duke@435 | 737 | // class hierarchy: |
duke@435 | 738 | // |
duke@435 | 739 | class LIR_Op; |
duke@435 | 740 | class LIR_Op0; |
duke@435 | 741 | class LIR_OpLabel; |
duke@435 | 742 | class LIR_Op1; |
duke@435 | 743 | class LIR_OpBranch; |
duke@435 | 744 | class LIR_OpConvert; |
duke@435 | 745 | class LIR_OpAllocObj; |
duke@435 | 746 | class LIR_OpRoundFP; |
duke@435 | 747 | class LIR_Op2; |
duke@435 | 748 | class LIR_OpDelay; |
duke@435 | 749 | class LIR_Op3; |
duke@435 | 750 | class LIR_OpAllocArray; |
duke@435 | 751 | class LIR_OpCall; |
duke@435 | 752 | class LIR_OpJavaCall; |
duke@435 | 753 | class LIR_OpRTCall; |
duke@435 | 754 | class LIR_OpArrayCopy; |
duke@435 | 755 | class LIR_OpLock; |
duke@435 | 756 | class LIR_OpTypeCheck; |
duke@435 | 757 | class LIR_OpCompareAndSwap; |
duke@435 | 758 | class LIR_OpProfileCall; |
duke@435 | 759 | |
duke@435 | 760 | |
duke@435 | 761 | // LIR operation codes |
duke@435 | 762 | enum LIR_Code { |
duke@435 | 763 | lir_none |
duke@435 | 764 | , begin_op0 |
duke@435 | 765 | , lir_word_align |
duke@435 | 766 | , lir_label |
duke@435 | 767 | , lir_nop |
duke@435 | 768 | , lir_backwardbranch_target |
duke@435 | 769 | , lir_std_entry |
duke@435 | 770 | , lir_osr_entry |
duke@435 | 771 | , lir_build_frame |
duke@435 | 772 | , lir_fpop_raw |
duke@435 | 773 | , lir_24bit_FPU |
duke@435 | 774 | , lir_reset_FPU |
duke@435 | 775 | , lir_breakpoint |
duke@435 | 776 | , lir_rtcall |
duke@435 | 777 | , lir_membar |
duke@435 | 778 | , lir_membar_acquire |
duke@435 | 779 | , lir_membar_release |
duke@435 | 780 | , lir_get_thread |
duke@435 | 781 | , end_op0 |
duke@435 | 782 | , begin_op1 |
duke@435 | 783 | , lir_fxch |
duke@435 | 784 | , lir_fld |
duke@435 | 785 | , lir_ffree |
duke@435 | 786 | , lir_push |
duke@435 | 787 | , lir_pop |
duke@435 | 788 | , lir_null_check |
duke@435 | 789 | , lir_return |
duke@435 | 790 | , lir_leal |
duke@435 | 791 | , lir_neg |
duke@435 | 792 | , lir_branch |
duke@435 | 793 | , lir_cond_float_branch |
duke@435 | 794 | , lir_move |
duke@435 | 795 | , lir_prefetchr |
duke@435 | 796 | , lir_prefetchw |
duke@435 | 797 | , lir_convert |
duke@435 | 798 | , lir_alloc_object |
duke@435 | 799 | , lir_monaddr |
duke@435 | 800 | , lir_roundfp |
duke@435 | 801 | , lir_safepoint |
duke@435 | 802 | , end_op1 |
duke@435 | 803 | , begin_op2 |
duke@435 | 804 | , lir_cmp |
duke@435 | 805 | , lir_cmp_l2i |
duke@435 | 806 | , lir_ucmp_fd2i |
duke@435 | 807 | , lir_cmp_fd2i |
duke@435 | 808 | , lir_cmove |
duke@435 | 809 | , lir_add |
duke@435 | 810 | , lir_sub |
duke@435 | 811 | , lir_mul |
duke@435 | 812 | , lir_mul_strictfp |
duke@435 | 813 | , lir_div |
duke@435 | 814 | , lir_div_strictfp |
duke@435 | 815 | , lir_rem |
duke@435 | 816 | , lir_sqrt |
duke@435 | 817 | , lir_abs |
duke@435 | 818 | , lir_sin |
duke@435 | 819 | , lir_cos |
duke@435 | 820 | , lir_tan |
duke@435 | 821 | , lir_log |
duke@435 | 822 | , lir_log10 |
duke@435 | 823 | , lir_logic_and |
duke@435 | 824 | , lir_logic_or |
duke@435 | 825 | , lir_logic_xor |
duke@435 | 826 | , lir_shl |
duke@435 | 827 | , lir_shr |
duke@435 | 828 | , lir_ushr |
duke@435 | 829 | , lir_alloc_array |
duke@435 | 830 | , lir_throw |
duke@435 | 831 | , lir_unwind |
duke@435 | 832 | , lir_compare_to |
duke@435 | 833 | , end_op2 |
duke@435 | 834 | , begin_op3 |
duke@435 | 835 | , lir_idiv |
duke@435 | 836 | , lir_irem |
duke@435 | 837 | , end_op3 |
duke@435 | 838 | , begin_opJavaCall |
duke@435 | 839 | , lir_static_call |
duke@435 | 840 | , lir_optvirtual_call |
duke@435 | 841 | , lir_icvirtual_call |
duke@435 | 842 | , lir_virtual_call |
duke@435 | 843 | , end_opJavaCall |
duke@435 | 844 | , begin_opArrayCopy |
duke@435 | 845 | , lir_arraycopy |
duke@435 | 846 | , end_opArrayCopy |
duke@435 | 847 | , begin_opLock |
duke@435 | 848 | , lir_lock |
duke@435 | 849 | , lir_unlock |
duke@435 | 850 | , end_opLock |
duke@435 | 851 | , begin_delay_slot |
duke@435 | 852 | , lir_delay_slot |
duke@435 | 853 | , end_delay_slot |
duke@435 | 854 | , begin_opTypeCheck |
duke@435 | 855 | , lir_instanceof |
duke@435 | 856 | , lir_checkcast |
duke@435 | 857 | , lir_store_check |
duke@435 | 858 | , end_opTypeCheck |
duke@435 | 859 | , begin_opCompareAndSwap |
duke@435 | 860 | , lir_cas_long |
duke@435 | 861 | , lir_cas_obj |
duke@435 | 862 | , lir_cas_int |
duke@435 | 863 | , end_opCompareAndSwap |
duke@435 | 864 | , begin_opMDOProfile |
duke@435 | 865 | , lir_profile_call |
duke@435 | 866 | , end_opMDOProfile |
duke@435 | 867 | }; |
duke@435 | 868 | |
duke@435 | 869 | |
duke@435 | 870 | enum LIR_Condition { |
duke@435 | 871 | lir_cond_equal |
duke@435 | 872 | , lir_cond_notEqual |
duke@435 | 873 | , lir_cond_less |
duke@435 | 874 | , lir_cond_lessEqual |
duke@435 | 875 | , lir_cond_greaterEqual |
duke@435 | 876 | , lir_cond_greater |
duke@435 | 877 | , lir_cond_belowEqual |
duke@435 | 878 | , lir_cond_aboveEqual |
duke@435 | 879 | , lir_cond_always |
duke@435 | 880 | , lir_cond_unknown = -1 |
duke@435 | 881 | }; |
duke@435 | 882 | |
duke@435 | 883 | |
duke@435 | 884 | enum LIR_PatchCode { |
duke@435 | 885 | lir_patch_none, |
duke@435 | 886 | lir_patch_low, |
duke@435 | 887 | lir_patch_high, |
duke@435 | 888 | lir_patch_normal |
duke@435 | 889 | }; |
duke@435 | 890 | |
duke@435 | 891 | |
duke@435 | 892 | enum LIR_MoveKind { |
duke@435 | 893 | lir_move_normal, |
duke@435 | 894 | lir_move_volatile, |
duke@435 | 895 | lir_move_unaligned, |
duke@435 | 896 | lir_move_max_flag |
duke@435 | 897 | }; |
duke@435 | 898 | |
duke@435 | 899 | |
duke@435 | 900 | // -------------------------------------------------- |
duke@435 | 901 | // LIR_Op |
duke@435 | 902 | // -------------------------------------------------- |
duke@435 | 903 | class LIR_Op: public CompilationResourceObj { |
duke@435 | 904 | friend class LIR_OpVisitState; |
duke@435 | 905 | |
duke@435 | 906 | #ifdef ASSERT |
duke@435 | 907 | private: |
duke@435 | 908 | const char * _file; |
duke@435 | 909 | int _line; |
duke@435 | 910 | #endif |
duke@435 | 911 | |
duke@435 | 912 | protected: |
duke@435 | 913 | LIR_Opr _result; |
duke@435 | 914 | unsigned short _code; |
duke@435 | 915 | unsigned short _flags; |
duke@435 | 916 | CodeEmitInfo* _info; |
duke@435 | 917 | int _id; // value id for register allocation |
duke@435 | 918 | int _fpu_pop_count; |
duke@435 | 919 | Instruction* _source; // for debugging |
duke@435 | 920 | |
duke@435 | 921 | static void print_condition(outputStream* out, LIR_Condition cond) PRODUCT_RETURN; |
duke@435 | 922 | |
duke@435 | 923 | protected: |
duke@435 | 924 | static bool is_in_range(LIR_Code test, LIR_Code start, LIR_Code end) { return start < test && test < end; } |
duke@435 | 925 | |
duke@435 | 926 | public: |
duke@435 | 927 | LIR_Op() |
duke@435 | 928 | : _result(LIR_OprFact::illegalOpr) |
duke@435 | 929 | , _code(lir_none) |
duke@435 | 930 | , _flags(0) |
duke@435 | 931 | , _info(NULL) |
duke@435 | 932 | #ifdef ASSERT |
duke@435 | 933 | , _file(NULL) |
duke@435 | 934 | , _line(0) |
duke@435 | 935 | #endif |
duke@435 | 936 | , _fpu_pop_count(0) |
duke@435 | 937 | , _source(NULL) |
duke@435 | 938 | , _id(-1) {} |
duke@435 | 939 | |
duke@435 | 940 | LIR_Op(LIR_Code code, LIR_Opr result, CodeEmitInfo* info) |
duke@435 | 941 | : _result(result) |
duke@435 | 942 | , _code(code) |
duke@435 | 943 | , _flags(0) |
duke@435 | 944 | , _info(info) |
duke@435 | 945 | #ifdef ASSERT |
duke@435 | 946 | , _file(NULL) |
duke@435 | 947 | , _line(0) |
duke@435 | 948 | #endif |
duke@435 | 949 | , _fpu_pop_count(0) |
duke@435 | 950 | , _source(NULL) |
duke@435 | 951 | , _id(-1) {} |
duke@435 | 952 | |
duke@435 | 953 | CodeEmitInfo* info() const { return _info; } |
duke@435 | 954 | LIR_Code code() const { return (LIR_Code)_code; } |
duke@435 | 955 | LIR_Opr result_opr() const { return _result; } |
duke@435 | 956 | void set_result_opr(LIR_Opr opr) { _result = opr; } |
duke@435 | 957 | |
duke@435 | 958 | #ifdef ASSERT |
duke@435 | 959 | void set_file_and_line(const char * file, int line) { |
duke@435 | 960 | _file = file; |
duke@435 | 961 | _line = line; |
duke@435 | 962 | } |
duke@435 | 963 | #endif |
duke@435 | 964 | |
duke@435 | 965 | virtual const char * name() const PRODUCT_RETURN0; |
duke@435 | 966 | |
duke@435 | 967 | int id() const { return _id; } |
duke@435 | 968 | void set_id(int id) { _id = id; } |
duke@435 | 969 | |
duke@435 | 970 | // FPU stack simulation helpers -- only used on Intel |
duke@435 | 971 | void set_fpu_pop_count(int count) { assert(count >= 0 && count <= 1, "currently only 0 and 1 are valid"); _fpu_pop_count = count; } |
duke@435 | 972 | int fpu_pop_count() const { return _fpu_pop_count; } |
duke@435 | 973 | bool pop_fpu_stack() { return _fpu_pop_count > 0; } |
duke@435 | 974 | |
duke@435 | 975 | Instruction* source() const { return _source; } |
duke@435 | 976 | void set_source(Instruction* ins) { _source = ins; } |
duke@435 | 977 | |
duke@435 | 978 | virtual void emit_code(LIR_Assembler* masm) = 0; |
duke@435 | 979 | virtual void print_instr(outputStream* out) const = 0; |
duke@435 | 980 | virtual void print_on(outputStream* st) const PRODUCT_RETURN; |
duke@435 | 981 | |
duke@435 | 982 | virtual LIR_OpCall* as_OpCall() { return NULL; } |
duke@435 | 983 | virtual LIR_OpJavaCall* as_OpJavaCall() { return NULL; } |
duke@435 | 984 | virtual LIR_OpLabel* as_OpLabel() { return NULL; } |
duke@435 | 985 | virtual LIR_OpDelay* as_OpDelay() { return NULL; } |
duke@435 | 986 | virtual LIR_OpLock* as_OpLock() { return NULL; } |
duke@435 | 987 | virtual LIR_OpAllocArray* as_OpAllocArray() { return NULL; } |
duke@435 | 988 | virtual LIR_OpAllocObj* as_OpAllocObj() { return NULL; } |
duke@435 | 989 | virtual LIR_OpRoundFP* as_OpRoundFP() { return NULL; } |
duke@435 | 990 | virtual LIR_OpBranch* as_OpBranch() { return NULL; } |
duke@435 | 991 | virtual LIR_OpRTCall* as_OpRTCall() { return NULL; } |
duke@435 | 992 | virtual LIR_OpConvert* as_OpConvert() { return NULL; } |
duke@435 | 993 | virtual LIR_Op0* as_Op0() { return NULL; } |
duke@435 | 994 | virtual LIR_Op1* as_Op1() { return NULL; } |
duke@435 | 995 | virtual LIR_Op2* as_Op2() { return NULL; } |
duke@435 | 996 | virtual LIR_Op3* as_Op3() { return NULL; } |
duke@435 | 997 | virtual LIR_OpArrayCopy* as_OpArrayCopy() { return NULL; } |
duke@435 | 998 | virtual LIR_OpTypeCheck* as_OpTypeCheck() { return NULL; } |
duke@435 | 999 | virtual LIR_OpCompareAndSwap* as_OpCompareAndSwap() { return NULL; } |
duke@435 | 1000 | virtual LIR_OpProfileCall* as_OpProfileCall() { return NULL; } |
duke@435 | 1001 | |
duke@435 | 1002 | virtual void verify() const {} |
duke@435 | 1003 | }; |
duke@435 | 1004 | |
duke@435 | 1005 | // for calls |
duke@435 | 1006 | class LIR_OpCall: public LIR_Op { |
duke@435 | 1007 | friend class LIR_OpVisitState; |
duke@435 | 1008 | |
duke@435 | 1009 | protected: |
duke@435 | 1010 | address _addr; |
duke@435 | 1011 | LIR_OprList* _arguments; |
duke@435 | 1012 | protected: |
duke@435 | 1013 | LIR_OpCall(LIR_Code code, address addr, LIR_Opr result, |
duke@435 | 1014 | LIR_OprList* arguments, CodeEmitInfo* info = NULL) |
duke@435 | 1015 | : LIR_Op(code, result, info) |
duke@435 | 1016 | , _arguments(arguments) |
duke@435 | 1017 | , _addr(addr) {} |
duke@435 | 1018 | |
duke@435 | 1019 | public: |
duke@435 | 1020 | address addr() const { return _addr; } |
duke@435 | 1021 | const LIR_OprList* arguments() const { return _arguments; } |
duke@435 | 1022 | virtual LIR_OpCall* as_OpCall() { return this; } |
duke@435 | 1023 | }; |
duke@435 | 1024 | |
duke@435 | 1025 | |
duke@435 | 1026 | // -------------------------------------------------- |
duke@435 | 1027 | // LIR_OpJavaCall |
duke@435 | 1028 | // -------------------------------------------------- |
duke@435 | 1029 | class LIR_OpJavaCall: public LIR_OpCall { |
duke@435 | 1030 | friend class LIR_OpVisitState; |
duke@435 | 1031 | |
duke@435 | 1032 | private: |
duke@435 | 1033 | ciMethod* _method; |
duke@435 | 1034 | LIR_Opr _receiver; |
duke@435 | 1035 | |
duke@435 | 1036 | public: |
duke@435 | 1037 | LIR_OpJavaCall(LIR_Code code, ciMethod* method, |
duke@435 | 1038 | LIR_Opr receiver, LIR_Opr result, |
duke@435 | 1039 | address addr, LIR_OprList* arguments, |
duke@435 | 1040 | CodeEmitInfo* info) |
duke@435 | 1041 | : LIR_OpCall(code, addr, result, arguments, info) |
duke@435 | 1042 | , _receiver(receiver) |
duke@435 | 1043 | , _method(method) { assert(is_in_range(code, begin_opJavaCall, end_opJavaCall), "code check"); } |
duke@435 | 1044 | |
duke@435 | 1045 | LIR_OpJavaCall(LIR_Code code, ciMethod* method, |
duke@435 | 1046 | LIR_Opr receiver, LIR_Opr result, intptr_t vtable_offset, |
duke@435 | 1047 | LIR_OprList* arguments, CodeEmitInfo* info) |
duke@435 | 1048 | : LIR_OpCall(code, (address)vtable_offset, result, arguments, info) |
duke@435 | 1049 | , _receiver(receiver) |
duke@435 | 1050 | , _method(method) { assert(is_in_range(code, begin_opJavaCall, end_opJavaCall), "code check"); } |
duke@435 | 1051 | |
duke@435 | 1052 | LIR_Opr receiver() const { return _receiver; } |
duke@435 | 1053 | ciMethod* method() const { return _method; } |
duke@435 | 1054 | |
duke@435 | 1055 | intptr_t vtable_offset() const { |
duke@435 | 1056 | assert(_code == lir_virtual_call, "only have vtable for real vcall"); |
duke@435 | 1057 | return (intptr_t) addr(); |
duke@435 | 1058 | } |
duke@435 | 1059 | |
duke@435 | 1060 | virtual void emit_code(LIR_Assembler* masm); |
duke@435 | 1061 | virtual LIR_OpJavaCall* as_OpJavaCall() { return this; } |
duke@435 | 1062 | virtual void print_instr(outputStream* out) const PRODUCT_RETURN; |
duke@435 | 1063 | }; |
duke@435 | 1064 | |
duke@435 | 1065 | // -------------------------------------------------- |
duke@435 | 1066 | // LIR_OpLabel |
duke@435 | 1067 | // -------------------------------------------------- |
duke@435 | 1068 | // Location where a branch can continue |
duke@435 | 1069 | class LIR_OpLabel: public LIR_Op { |
duke@435 | 1070 | friend class LIR_OpVisitState; |
duke@435 | 1071 | |
duke@435 | 1072 | private: |
duke@435 | 1073 | Label* _label; |
duke@435 | 1074 | public: |
duke@435 | 1075 | LIR_OpLabel(Label* lbl) |
duke@435 | 1076 | : LIR_Op(lir_label, LIR_OprFact::illegalOpr, NULL) |
duke@435 | 1077 | , _label(lbl) {} |
duke@435 | 1078 | Label* label() const { return _label; } |
duke@435 | 1079 | |
duke@435 | 1080 | virtual void emit_code(LIR_Assembler* masm); |
duke@435 | 1081 | virtual LIR_OpLabel* as_OpLabel() { return this; } |
duke@435 | 1082 | virtual void print_instr(outputStream* out) const PRODUCT_RETURN; |
duke@435 | 1083 | }; |
duke@435 | 1084 | |
duke@435 | 1085 | // LIR_OpArrayCopy |
duke@435 | 1086 | class LIR_OpArrayCopy: public LIR_Op { |
duke@435 | 1087 | friend class LIR_OpVisitState; |
duke@435 | 1088 | |
duke@435 | 1089 | private: |
duke@435 | 1090 | ArrayCopyStub* _stub; |
duke@435 | 1091 | LIR_Opr _src; |
duke@435 | 1092 | LIR_Opr _src_pos; |
duke@435 | 1093 | LIR_Opr _dst; |
duke@435 | 1094 | LIR_Opr _dst_pos; |
duke@435 | 1095 | LIR_Opr _length; |
duke@435 | 1096 | LIR_Opr _tmp; |
duke@435 | 1097 | ciArrayKlass* _expected_type; |
duke@435 | 1098 | int _flags; |
duke@435 | 1099 | |
duke@435 | 1100 | public: |
duke@435 | 1101 | enum Flags { |
duke@435 | 1102 | src_null_check = 1 << 0, |
duke@435 | 1103 | dst_null_check = 1 << 1, |
duke@435 | 1104 | src_pos_positive_check = 1 << 2, |
duke@435 | 1105 | dst_pos_positive_check = 1 << 3, |
duke@435 | 1106 | length_positive_check = 1 << 4, |
duke@435 | 1107 | src_range_check = 1 << 5, |
duke@435 | 1108 | dst_range_check = 1 << 6, |
duke@435 | 1109 | type_check = 1 << 7, |
duke@435 | 1110 | all_flags = (1 << 8) - 1 |
duke@435 | 1111 | }; |
duke@435 | 1112 | |
duke@435 | 1113 | LIR_OpArrayCopy(LIR_Opr src, LIR_Opr src_pos, LIR_Opr dst, LIR_Opr dst_pos, LIR_Opr length, LIR_Opr tmp, |
duke@435 | 1114 | ciArrayKlass* expected_type, int flags, CodeEmitInfo* info); |
duke@435 | 1115 | |
duke@435 | 1116 | LIR_Opr src() const { return _src; } |
duke@435 | 1117 | LIR_Opr src_pos() const { return _src_pos; } |
duke@435 | 1118 | LIR_Opr dst() const { return _dst; } |
duke@435 | 1119 | LIR_Opr dst_pos() const { return _dst_pos; } |
duke@435 | 1120 | LIR_Opr length() const { return _length; } |
duke@435 | 1121 | LIR_Opr tmp() const { return _tmp; } |
duke@435 | 1122 | int flags() const { return _flags; } |
duke@435 | 1123 | ciArrayKlass* expected_type() const { return _expected_type; } |
duke@435 | 1124 | ArrayCopyStub* stub() const { return _stub; } |
duke@435 | 1125 | |
duke@435 | 1126 | virtual void emit_code(LIR_Assembler* masm); |
duke@435 | 1127 | virtual LIR_OpArrayCopy* as_OpArrayCopy() { return this; } |
duke@435 | 1128 | void print_instr(outputStream* out) const PRODUCT_RETURN; |
duke@435 | 1129 | }; |
duke@435 | 1130 | |
duke@435 | 1131 | |
duke@435 | 1132 | // -------------------------------------------------- |
duke@435 | 1133 | // LIR_Op0 |
duke@435 | 1134 | // -------------------------------------------------- |
duke@435 | 1135 | class LIR_Op0: public LIR_Op { |
duke@435 | 1136 | friend class LIR_OpVisitState; |
duke@435 | 1137 | |
duke@435 | 1138 | public: |
duke@435 | 1139 | LIR_Op0(LIR_Code code) |
duke@435 | 1140 | : LIR_Op(code, LIR_OprFact::illegalOpr, NULL) { assert(is_in_range(code, begin_op0, end_op0), "code check"); } |
duke@435 | 1141 | LIR_Op0(LIR_Code code, LIR_Opr result, CodeEmitInfo* info = NULL) |
duke@435 | 1142 | : LIR_Op(code, result, info) { assert(is_in_range(code, begin_op0, end_op0), "code check"); } |
duke@435 | 1143 | |
duke@435 | 1144 | virtual void emit_code(LIR_Assembler* masm); |
duke@435 | 1145 | virtual LIR_Op0* as_Op0() { return this; } |
duke@435 | 1146 | virtual void print_instr(outputStream* out) const PRODUCT_RETURN; |
duke@435 | 1147 | }; |
duke@435 | 1148 | |
duke@435 | 1149 | |
duke@435 | 1150 | // -------------------------------------------------- |
duke@435 | 1151 | // LIR_Op1 |
duke@435 | 1152 | // -------------------------------------------------- |
duke@435 | 1153 | |
duke@435 | 1154 | class LIR_Op1: public LIR_Op { |
duke@435 | 1155 | friend class LIR_OpVisitState; |
duke@435 | 1156 | |
duke@435 | 1157 | protected: |
duke@435 | 1158 | LIR_Opr _opr; // input operand |
duke@435 | 1159 | BasicType _type; // Operand types |
duke@435 | 1160 | LIR_PatchCode _patch; // only required with patchin (NEEDS_CLEANUP: do we want a special instruction for patching?) |
duke@435 | 1161 | |
duke@435 | 1162 | static void print_patch_code(outputStream* out, LIR_PatchCode code); |
duke@435 | 1163 | |
duke@435 | 1164 | void set_kind(LIR_MoveKind kind) { |
duke@435 | 1165 | assert(code() == lir_move, "must be"); |
duke@435 | 1166 | _flags = kind; |
duke@435 | 1167 | } |
duke@435 | 1168 | |
duke@435 | 1169 | public: |
duke@435 | 1170 | LIR_Op1(LIR_Code code, LIR_Opr opr, LIR_Opr result = LIR_OprFact::illegalOpr, BasicType type = T_ILLEGAL, LIR_PatchCode patch = lir_patch_none, CodeEmitInfo* info = NULL) |
duke@435 | 1171 | : LIR_Op(code, result, info) |
duke@435 | 1172 | , _opr(opr) |
duke@435 | 1173 | , _patch(patch) |
duke@435 | 1174 | , _type(type) { assert(is_in_range(code, begin_op1, end_op1), "code check"); } |
duke@435 | 1175 | |
duke@435 | 1176 | LIR_Op1(LIR_Code code, LIR_Opr opr, LIR_Opr result, BasicType type, LIR_PatchCode patch, CodeEmitInfo* info, LIR_MoveKind kind) |
duke@435 | 1177 | : LIR_Op(code, result, info) |
duke@435 | 1178 | , _opr(opr) |
duke@435 | 1179 | , _patch(patch) |
duke@435 | 1180 | , _type(type) { |
duke@435 | 1181 | assert(code == lir_move, "must be"); |
duke@435 | 1182 | set_kind(kind); |
duke@435 | 1183 | } |
duke@435 | 1184 | |
duke@435 | 1185 | LIR_Op1(LIR_Code code, LIR_Opr opr, CodeEmitInfo* info) |
duke@435 | 1186 | : LIR_Op(code, LIR_OprFact::illegalOpr, info) |
duke@435 | 1187 | , _opr(opr) |
duke@435 | 1188 | , _patch(lir_patch_none) |
duke@435 | 1189 | , _type(T_ILLEGAL) { assert(is_in_range(code, begin_op1, end_op1), "code check"); } |
duke@435 | 1190 | |
duke@435 | 1191 | LIR_Opr in_opr() const { return _opr; } |
duke@435 | 1192 | LIR_PatchCode patch_code() const { return _patch; } |
duke@435 | 1193 | BasicType type() const { return _type; } |
duke@435 | 1194 | |
duke@435 | 1195 | LIR_MoveKind move_kind() const { |
duke@435 | 1196 | assert(code() == lir_move, "must be"); |
duke@435 | 1197 | return (LIR_MoveKind)_flags; |
duke@435 | 1198 | } |
duke@435 | 1199 | |
duke@435 | 1200 | virtual void emit_code(LIR_Assembler* masm); |
duke@435 | 1201 | virtual LIR_Op1* as_Op1() { return this; } |
duke@435 | 1202 | virtual const char * name() const PRODUCT_RETURN0; |
duke@435 | 1203 | |
duke@435 | 1204 | void set_in_opr(LIR_Opr opr) { _opr = opr; } |
duke@435 | 1205 | |
duke@435 | 1206 | virtual void print_instr(outputStream* out) const PRODUCT_RETURN; |
duke@435 | 1207 | virtual void verify() const; |
duke@435 | 1208 | }; |
duke@435 | 1209 | |
duke@435 | 1210 | |
duke@435 | 1211 | // for runtime calls |
duke@435 | 1212 | class LIR_OpRTCall: public LIR_OpCall { |
duke@435 | 1213 | friend class LIR_OpVisitState; |
duke@435 | 1214 | |
duke@435 | 1215 | private: |
duke@435 | 1216 | LIR_Opr _tmp; |
duke@435 | 1217 | public: |
duke@435 | 1218 | LIR_OpRTCall(address addr, LIR_Opr tmp, |
duke@435 | 1219 | LIR_Opr result, LIR_OprList* arguments, CodeEmitInfo* info = NULL) |
duke@435 | 1220 | : LIR_OpCall(lir_rtcall, addr, result, arguments, info) |
duke@435 | 1221 | , _tmp(tmp) {} |
duke@435 | 1222 | |
duke@435 | 1223 | virtual void print_instr(outputStream* out) const PRODUCT_RETURN; |
duke@435 | 1224 | virtual void emit_code(LIR_Assembler* masm); |
duke@435 | 1225 | virtual LIR_OpRTCall* as_OpRTCall() { return this; } |
duke@435 | 1226 | |
duke@435 | 1227 | LIR_Opr tmp() const { return _tmp; } |
duke@435 | 1228 | |
duke@435 | 1229 | virtual void verify() const; |
duke@435 | 1230 | }; |
duke@435 | 1231 | |
duke@435 | 1232 | |
duke@435 | 1233 | class LIR_OpBranch: public LIR_Op { |
duke@435 | 1234 | friend class LIR_OpVisitState; |
duke@435 | 1235 | |
duke@435 | 1236 | private: |
duke@435 | 1237 | LIR_Condition _cond; |
duke@435 | 1238 | BasicType _type; |
duke@435 | 1239 | Label* _label; |
duke@435 | 1240 | BlockBegin* _block; // if this is a branch to a block, this is the block |
duke@435 | 1241 | BlockBegin* _ublock; // if this is a float-branch, this is the unorderd block |
duke@435 | 1242 | CodeStub* _stub; // if this is a branch to a stub, this is the stub |
duke@435 | 1243 | |
duke@435 | 1244 | public: |
duke@435 | 1245 | LIR_OpBranch(LIR_Condition cond, Label* lbl) |
duke@435 | 1246 | : LIR_Op(lir_branch, LIR_OprFact::illegalOpr, (CodeEmitInfo*) NULL) |
duke@435 | 1247 | , _cond(cond) |
duke@435 | 1248 | , _label(lbl) |
duke@435 | 1249 | , _block(NULL) |
duke@435 | 1250 | , _ublock(NULL) |
duke@435 | 1251 | , _stub(NULL) { } |
duke@435 | 1252 | |
duke@435 | 1253 | LIR_OpBranch(LIR_Condition cond, BasicType type, BlockBegin* block); |
duke@435 | 1254 | LIR_OpBranch(LIR_Condition cond, BasicType type, CodeStub* stub); |
duke@435 | 1255 | |
duke@435 | 1256 | // for unordered comparisons |
duke@435 | 1257 | LIR_OpBranch(LIR_Condition cond, BasicType type, BlockBegin* block, BlockBegin* ublock); |
duke@435 | 1258 | |
duke@435 | 1259 | LIR_Condition cond() const { return _cond; } |
duke@435 | 1260 | BasicType type() const { return _type; } |
duke@435 | 1261 | Label* label() const { return _label; } |
duke@435 | 1262 | BlockBegin* block() const { return _block; } |
duke@435 | 1263 | BlockBegin* ublock() const { return _ublock; } |
duke@435 | 1264 | CodeStub* stub() const { return _stub; } |
duke@435 | 1265 | |
duke@435 | 1266 | void change_block(BlockBegin* b); |
duke@435 | 1267 | void change_ublock(BlockBegin* b); |
duke@435 | 1268 | void negate_cond(); |
duke@435 | 1269 | |
duke@435 | 1270 | virtual void emit_code(LIR_Assembler* masm); |
duke@435 | 1271 | virtual LIR_OpBranch* as_OpBranch() { return this; } |
duke@435 | 1272 | virtual void print_instr(outputStream* out) const PRODUCT_RETURN; |
duke@435 | 1273 | }; |
duke@435 | 1274 | |
duke@435 | 1275 | |
duke@435 | 1276 | class ConversionStub; |
duke@435 | 1277 | |
duke@435 | 1278 | class LIR_OpConvert: public LIR_Op1 { |
duke@435 | 1279 | friend class LIR_OpVisitState; |
duke@435 | 1280 | |
duke@435 | 1281 | private: |
duke@435 | 1282 | Bytecodes::Code _bytecode; |
duke@435 | 1283 | ConversionStub* _stub; |
duke@435 | 1284 | |
duke@435 | 1285 | public: |
duke@435 | 1286 | LIR_OpConvert(Bytecodes::Code code, LIR_Opr opr, LIR_Opr result, ConversionStub* stub) |
duke@435 | 1287 | : LIR_Op1(lir_convert, opr, result) |
duke@435 | 1288 | , _stub(stub) |
duke@435 | 1289 | , _bytecode(code) {} |
duke@435 | 1290 | |
duke@435 | 1291 | Bytecodes::Code bytecode() const { return _bytecode; } |
duke@435 | 1292 | ConversionStub* stub() const { return _stub; } |
duke@435 | 1293 | |
duke@435 | 1294 | virtual void emit_code(LIR_Assembler* masm); |
duke@435 | 1295 | virtual LIR_OpConvert* as_OpConvert() { return this; } |
duke@435 | 1296 | virtual void print_instr(outputStream* out) const PRODUCT_RETURN; |
duke@435 | 1297 | |
duke@435 | 1298 | static void print_bytecode(outputStream* out, Bytecodes::Code code) PRODUCT_RETURN; |
duke@435 | 1299 | }; |
duke@435 | 1300 | |
duke@435 | 1301 | |
duke@435 | 1302 | // LIR_OpAllocObj |
duke@435 | 1303 | class LIR_OpAllocObj : public LIR_Op1 { |
duke@435 | 1304 | friend class LIR_OpVisitState; |
duke@435 | 1305 | |
duke@435 | 1306 | private: |
duke@435 | 1307 | LIR_Opr _tmp1; |
duke@435 | 1308 | LIR_Opr _tmp2; |
duke@435 | 1309 | LIR_Opr _tmp3; |
duke@435 | 1310 | LIR_Opr _tmp4; |
duke@435 | 1311 | int _hdr_size; |
duke@435 | 1312 | int _obj_size; |
duke@435 | 1313 | CodeStub* _stub; |
duke@435 | 1314 | bool _init_check; |
duke@435 | 1315 | |
duke@435 | 1316 | public: |
duke@435 | 1317 | LIR_OpAllocObj(LIR_Opr klass, LIR_Opr result, |
duke@435 | 1318 | LIR_Opr t1, LIR_Opr t2, LIR_Opr t3, LIR_Opr t4, |
duke@435 | 1319 | int hdr_size, int obj_size, bool init_check, CodeStub* stub) |
duke@435 | 1320 | : LIR_Op1(lir_alloc_object, klass, result) |
duke@435 | 1321 | , _tmp1(t1) |
duke@435 | 1322 | , _tmp2(t2) |
duke@435 | 1323 | , _tmp3(t3) |
duke@435 | 1324 | , _tmp4(t4) |
duke@435 | 1325 | , _hdr_size(hdr_size) |
duke@435 | 1326 | , _obj_size(obj_size) |
duke@435 | 1327 | , _init_check(init_check) |
duke@435 | 1328 | , _stub(stub) { } |
duke@435 | 1329 | |
duke@435 | 1330 | LIR_Opr klass() const { return in_opr(); } |
duke@435 | 1331 | LIR_Opr obj() const { return result_opr(); } |
duke@435 | 1332 | LIR_Opr tmp1() const { return _tmp1; } |
duke@435 | 1333 | LIR_Opr tmp2() const { return _tmp2; } |
duke@435 | 1334 | LIR_Opr tmp3() const { return _tmp3; } |
duke@435 | 1335 | LIR_Opr tmp4() const { return _tmp4; } |
duke@435 | 1336 | int header_size() const { return _hdr_size; } |
duke@435 | 1337 | int object_size() const { return _obj_size; } |
duke@435 | 1338 | bool init_check() const { return _init_check; } |
duke@435 | 1339 | CodeStub* stub() const { return _stub; } |
duke@435 | 1340 | |
duke@435 | 1341 | virtual void emit_code(LIR_Assembler* masm); |
duke@435 | 1342 | virtual LIR_OpAllocObj * as_OpAllocObj () { return this; } |
duke@435 | 1343 | virtual void print_instr(outputStream* out) const PRODUCT_RETURN; |
duke@435 | 1344 | }; |
duke@435 | 1345 | |
duke@435 | 1346 | |
duke@435 | 1347 | // LIR_OpRoundFP |
duke@435 | 1348 | class LIR_OpRoundFP : public LIR_Op1 { |
duke@435 | 1349 | friend class LIR_OpVisitState; |
duke@435 | 1350 | |
duke@435 | 1351 | private: |
duke@435 | 1352 | LIR_Opr _tmp; |
duke@435 | 1353 | |
duke@435 | 1354 | public: |
duke@435 | 1355 | LIR_OpRoundFP(LIR_Opr reg, LIR_Opr stack_loc_temp, LIR_Opr result) |
duke@435 | 1356 | : LIR_Op1(lir_roundfp, reg, result) |
duke@435 | 1357 | , _tmp(stack_loc_temp) {} |
duke@435 | 1358 | |
duke@435 | 1359 | LIR_Opr tmp() const { return _tmp; } |
duke@435 | 1360 | virtual LIR_OpRoundFP* as_OpRoundFP() { return this; } |
duke@435 | 1361 | void print_instr(outputStream* out) const PRODUCT_RETURN; |
duke@435 | 1362 | }; |
duke@435 | 1363 | |
duke@435 | 1364 | // LIR_OpTypeCheck |
duke@435 | 1365 | class LIR_OpTypeCheck: public LIR_Op { |
duke@435 | 1366 | friend class LIR_OpVisitState; |
duke@435 | 1367 | |
duke@435 | 1368 | private: |
duke@435 | 1369 | LIR_Opr _object; |
duke@435 | 1370 | LIR_Opr _array; |
duke@435 | 1371 | ciKlass* _klass; |
duke@435 | 1372 | LIR_Opr _tmp1; |
duke@435 | 1373 | LIR_Opr _tmp2; |
duke@435 | 1374 | LIR_Opr _tmp3; |
duke@435 | 1375 | bool _fast_check; |
duke@435 | 1376 | CodeEmitInfo* _info_for_patch; |
duke@435 | 1377 | CodeEmitInfo* _info_for_exception; |
duke@435 | 1378 | CodeStub* _stub; |
duke@435 | 1379 | // Helpers for Tier1UpdateMethodData |
duke@435 | 1380 | ciMethod* _profiled_method; |
duke@435 | 1381 | int _profiled_bci; |
duke@435 | 1382 | |
duke@435 | 1383 | public: |
duke@435 | 1384 | LIR_OpTypeCheck(LIR_Code code, LIR_Opr result, LIR_Opr object, ciKlass* klass, |
duke@435 | 1385 | LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, bool fast_check, |
duke@435 | 1386 | CodeEmitInfo* info_for_exception, CodeEmitInfo* info_for_patch, CodeStub* stub, |
duke@435 | 1387 | ciMethod* profiled_method, int profiled_bci); |
duke@435 | 1388 | LIR_OpTypeCheck(LIR_Code code, LIR_Opr object, LIR_Opr array, |
duke@435 | 1389 | LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, CodeEmitInfo* info_for_exception, |
duke@435 | 1390 | ciMethod* profiled_method, int profiled_bci); |
duke@435 | 1391 | |
duke@435 | 1392 | LIR_Opr object() const { return _object; } |
duke@435 | 1393 | LIR_Opr array() const { assert(code() == lir_store_check, "not valid"); return _array; } |
duke@435 | 1394 | LIR_Opr tmp1() const { return _tmp1; } |
duke@435 | 1395 | LIR_Opr tmp2() const { return _tmp2; } |
duke@435 | 1396 | LIR_Opr tmp3() const { return _tmp3; } |
duke@435 | 1397 | ciKlass* klass() const { assert(code() == lir_instanceof || code() == lir_checkcast, "not valid"); return _klass; } |
duke@435 | 1398 | bool fast_check() const { assert(code() == lir_instanceof || code() == lir_checkcast, "not valid"); return _fast_check; } |
duke@435 | 1399 | CodeEmitInfo* info_for_patch() const { return _info_for_patch; } |
duke@435 | 1400 | CodeEmitInfo* info_for_exception() const { return _info_for_exception; } |
duke@435 | 1401 | CodeStub* stub() const { return _stub; } |
duke@435 | 1402 | |
duke@435 | 1403 | // methodDataOop profiling |
duke@435 | 1404 | ciMethod* profiled_method() { return _profiled_method; } |
duke@435 | 1405 | int profiled_bci() { return _profiled_bci; } |
duke@435 | 1406 | |
duke@435 | 1407 | virtual void emit_code(LIR_Assembler* masm); |
duke@435 | 1408 | virtual LIR_OpTypeCheck* as_OpTypeCheck() { return this; } |
duke@435 | 1409 | void print_instr(outputStream* out) const PRODUCT_RETURN; |
duke@435 | 1410 | }; |
duke@435 | 1411 | |
duke@435 | 1412 | // LIR_Op2 |
duke@435 | 1413 | class LIR_Op2: public LIR_Op { |
duke@435 | 1414 | friend class LIR_OpVisitState; |
duke@435 | 1415 | |
duke@435 | 1416 | int _fpu_stack_size; // for sin/cos implementation on Intel |
duke@435 | 1417 | |
duke@435 | 1418 | protected: |
duke@435 | 1419 | LIR_Opr _opr1; |
duke@435 | 1420 | LIR_Opr _opr2; |
duke@435 | 1421 | BasicType _type; |
duke@435 | 1422 | LIR_Opr _tmp; |
duke@435 | 1423 | LIR_Condition _condition; |
duke@435 | 1424 | |
duke@435 | 1425 | void verify() const; |
duke@435 | 1426 | |
duke@435 | 1427 | public: |
duke@435 | 1428 | LIR_Op2(LIR_Code code, LIR_Condition condition, LIR_Opr opr1, LIR_Opr opr2, CodeEmitInfo* info = NULL) |
duke@435 | 1429 | : LIR_Op(code, LIR_OprFact::illegalOpr, info) |
duke@435 | 1430 | , _opr1(opr1) |
duke@435 | 1431 | , _opr2(opr2) |
duke@435 | 1432 | , _type(T_ILLEGAL) |
duke@435 | 1433 | , _condition(condition) |
duke@435 | 1434 | , _fpu_stack_size(0) |
duke@435 | 1435 | , _tmp(LIR_OprFact::illegalOpr) { |
duke@435 | 1436 | assert(code == lir_cmp, "code check"); |
duke@435 | 1437 | } |
duke@435 | 1438 | |
duke@435 | 1439 | LIR_Op2(LIR_Code code, LIR_Condition condition, LIR_Opr opr1, LIR_Opr opr2, LIR_Opr result) |
duke@435 | 1440 | : LIR_Op(code, result, NULL) |
duke@435 | 1441 | , _opr1(opr1) |
duke@435 | 1442 | , _opr2(opr2) |
duke@435 | 1443 | , _type(T_ILLEGAL) |
duke@435 | 1444 | , _condition(condition) |
duke@435 | 1445 | , _fpu_stack_size(0) |
duke@435 | 1446 | , _tmp(LIR_OprFact::illegalOpr) { |
duke@435 | 1447 | assert(code == lir_cmove, "code check"); |
duke@435 | 1448 | } |
duke@435 | 1449 | |
duke@435 | 1450 | LIR_Op2(LIR_Code code, LIR_Opr opr1, LIR_Opr opr2, LIR_Opr result = LIR_OprFact::illegalOpr, |
duke@435 | 1451 | CodeEmitInfo* info = NULL, BasicType type = T_ILLEGAL) |
duke@435 | 1452 | : LIR_Op(code, result, info) |
duke@435 | 1453 | , _opr1(opr1) |
duke@435 | 1454 | , _opr2(opr2) |
duke@435 | 1455 | , _type(type) |
duke@435 | 1456 | , _condition(lir_cond_unknown) |
duke@435 | 1457 | , _fpu_stack_size(0) |
duke@435 | 1458 | , _tmp(LIR_OprFact::illegalOpr) { |
duke@435 | 1459 | assert(code != lir_cmp && is_in_range(code, begin_op2, end_op2), "code check"); |
duke@435 | 1460 | } |
duke@435 | 1461 | |
duke@435 | 1462 | LIR_Op2(LIR_Code code, LIR_Opr opr1, LIR_Opr opr2, LIR_Opr result, LIR_Opr tmp) |
duke@435 | 1463 | : LIR_Op(code, result, NULL) |
duke@435 | 1464 | , _opr1(opr1) |
duke@435 | 1465 | , _opr2(opr2) |
duke@435 | 1466 | , _type(T_ILLEGAL) |
duke@435 | 1467 | , _condition(lir_cond_unknown) |
duke@435 | 1468 | , _fpu_stack_size(0) |
duke@435 | 1469 | , _tmp(tmp) { |
duke@435 | 1470 | assert(code != lir_cmp && is_in_range(code, begin_op2, end_op2), "code check"); |
duke@435 | 1471 | } |
duke@435 | 1472 | |
duke@435 | 1473 | LIR_Opr in_opr1() const { return _opr1; } |
duke@435 | 1474 | LIR_Opr in_opr2() const { return _opr2; } |
duke@435 | 1475 | BasicType type() const { return _type; } |
duke@435 | 1476 | LIR_Opr tmp_opr() const { return _tmp; } |
duke@435 | 1477 | LIR_Condition condition() const { |
duke@435 | 1478 | assert(code() == lir_cmp || code() == lir_cmove, "only valid for cmp and cmove"); return _condition; |
duke@435 | 1479 | } |
duke@435 | 1480 | |
duke@435 | 1481 | void set_fpu_stack_size(int size) { _fpu_stack_size = size; } |
duke@435 | 1482 | int fpu_stack_size() const { return _fpu_stack_size; } |
duke@435 | 1483 | |
duke@435 | 1484 | void set_in_opr1(LIR_Opr opr) { _opr1 = opr; } |
duke@435 | 1485 | void set_in_opr2(LIR_Opr opr) { _opr2 = opr; } |
duke@435 | 1486 | |
duke@435 | 1487 | virtual void emit_code(LIR_Assembler* masm); |
duke@435 | 1488 | virtual LIR_Op2* as_Op2() { return this; } |
duke@435 | 1489 | virtual void print_instr(outputStream* out) const PRODUCT_RETURN; |
duke@435 | 1490 | }; |
duke@435 | 1491 | |
duke@435 | 1492 | class LIR_OpAllocArray : public LIR_Op { |
duke@435 | 1493 | friend class LIR_OpVisitState; |
duke@435 | 1494 | |
duke@435 | 1495 | private: |
duke@435 | 1496 | LIR_Opr _klass; |
duke@435 | 1497 | LIR_Opr _len; |
duke@435 | 1498 | LIR_Opr _tmp1; |
duke@435 | 1499 | LIR_Opr _tmp2; |
duke@435 | 1500 | LIR_Opr _tmp3; |
duke@435 | 1501 | LIR_Opr _tmp4; |
duke@435 | 1502 | BasicType _type; |
duke@435 | 1503 | CodeStub* _stub; |
duke@435 | 1504 | |
duke@435 | 1505 | public: |
duke@435 | 1506 | LIR_OpAllocArray(LIR_Opr klass, LIR_Opr len, LIR_Opr result, LIR_Opr t1, LIR_Opr t2, LIR_Opr t3, LIR_Opr t4, BasicType type, CodeStub* stub) |
duke@435 | 1507 | : LIR_Op(lir_alloc_array, result, NULL) |
duke@435 | 1508 | , _klass(klass) |
duke@435 | 1509 | , _len(len) |
duke@435 | 1510 | , _tmp1(t1) |
duke@435 | 1511 | , _tmp2(t2) |
duke@435 | 1512 | , _tmp3(t3) |
duke@435 | 1513 | , _tmp4(t4) |
duke@435 | 1514 | , _type(type) |
duke@435 | 1515 | , _stub(stub) {} |
duke@435 | 1516 | |
duke@435 | 1517 | LIR_Opr klass() const { return _klass; } |
duke@435 | 1518 | LIR_Opr len() const { return _len; } |
duke@435 | 1519 | LIR_Opr obj() const { return result_opr(); } |
duke@435 | 1520 | LIR_Opr tmp1() const { return _tmp1; } |
duke@435 | 1521 | LIR_Opr tmp2() const { return _tmp2; } |
duke@435 | 1522 | LIR_Opr tmp3() const { return _tmp3; } |
duke@435 | 1523 | LIR_Opr tmp4() const { return _tmp4; } |
duke@435 | 1524 | BasicType type() const { return _type; } |
duke@435 | 1525 | CodeStub* stub() const { return _stub; } |
duke@435 | 1526 | |
duke@435 | 1527 | virtual void emit_code(LIR_Assembler* masm); |
duke@435 | 1528 | virtual LIR_OpAllocArray * as_OpAllocArray () { return this; } |
duke@435 | 1529 | virtual void print_instr(outputStream* out) const PRODUCT_RETURN; |
duke@435 | 1530 | }; |
duke@435 | 1531 | |
duke@435 | 1532 | |
duke@435 | 1533 | class LIR_Op3: public LIR_Op { |
duke@435 | 1534 | friend class LIR_OpVisitState; |
duke@435 | 1535 | |
duke@435 | 1536 | private: |
duke@435 | 1537 | LIR_Opr _opr1; |
duke@435 | 1538 | LIR_Opr _opr2; |
duke@435 | 1539 | LIR_Opr _opr3; |
duke@435 | 1540 | public: |
duke@435 | 1541 | LIR_Op3(LIR_Code code, LIR_Opr opr1, LIR_Opr opr2, LIR_Opr opr3, LIR_Opr result, CodeEmitInfo* info = NULL) |
duke@435 | 1542 | : LIR_Op(code, result, info) |
duke@435 | 1543 | , _opr1(opr1) |
duke@435 | 1544 | , _opr2(opr2) |
duke@435 | 1545 | , _opr3(opr3) { assert(is_in_range(code, begin_op3, end_op3), "code check"); } |
duke@435 | 1546 | LIR_Opr in_opr1() const { return _opr1; } |
duke@435 | 1547 | LIR_Opr in_opr2() const { return _opr2; } |
duke@435 | 1548 | LIR_Opr in_opr3() const { return _opr3; } |
duke@435 | 1549 | |
duke@435 | 1550 | virtual void emit_code(LIR_Assembler* masm); |
duke@435 | 1551 | virtual LIR_Op3* as_Op3() { return this; } |
duke@435 | 1552 | virtual void print_instr(outputStream* out) const PRODUCT_RETURN; |
duke@435 | 1553 | }; |
duke@435 | 1554 | |
duke@435 | 1555 | |
duke@435 | 1556 | //-------------------------------- |
duke@435 | 1557 | class LabelObj: public CompilationResourceObj { |
duke@435 | 1558 | private: |
duke@435 | 1559 | Label _label; |
duke@435 | 1560 | public: |
duke@435 | 1561 | LabelObj() {} |
duke@435 | 1562 | Label* label() { return &_label; } |
duke@435 | 1563 | }; |
duke@435 | 1564 | |
duke@435 | 1565 | |
duke@435 | 1566 | class LIR_OpLock: public LIR_Op { |
duke@435 | 1567 | friend class LIR_OpVisitState; |
duke@435 | 1568 | |
duke@435 | 1569 | private: |
duke@435 | 1570 | LIR_Opr _hdr; |
duke@435 | 1571 | LIR_Opr _obj; |
duke@435 | 1572 | LIR_Opr _lock; |
duke@435 | 1573 | LIR_Opr _scratch; |
duke@435 | 1574 | CodeStub* _stub; |
duke@435 | 1575 | public: |
duke@435 | 1576 | LIR_OpLock(LIR_Code code, LIR_Opr hdr, LIR_Opr obj, LIR_Opr lock, LIR_Opr scratch, CodeStub* stub, CodeEmitInfo* info) |
duke@435 | 1577 | : LIR_Op(code, LIR_OprFact::illegalOpr, info) |
duke@435 | 1578 | , _hdr(hdr) |
duke@435 | 1579 | , _obj(obj) |
duke@435 | 1580 | , _lock(lock) |
duke@435 | 1581 | , _scratch(scratch) |
duke@435 | 1582 | , _stub(stub) {} |
duke@435 | 1583 | |
duke@435 | 1584 | LIR_Opr hdr_opr() const { return _hdr; } |
duke@435 | 1585 | LIR_Opr obj_opr() const { return _obj; } |
duke@435 | 1586 | LIR_Opr lock_opr() const { return _lock; } |
duke@435 | 1587 | LIR_Opr scratch_opr() const { return _scratch; } |
duke@435 | 1588 | CodeStub* stub() const { return _stub; } |
duke@435 | 1589 | |
duke@435 | 1590 | virtual void emit_code(LIR_Assembler* masm); |
duke@435 | 1591 | virtual LIR_OpLock* as_OpLock() { return this; } |
duke@435 | 1592 | void print_instr(outputStream* out) const PRODUCT_RETURN; |
duke@435 | 1593 | }; |
duke@435 | 1594 | |
duke@435 | 1595 | |
duke@435 | 1596 | class LIR_OpDelay: public LIR_Op { |
duke@435 | 1597 | friend class LIR_OpVisitState; |
duke@435 | 1598 | |
duke@435 | 1599 | private: |
duke@435 | 1600 | LIR_Op* _op; |
duke@435 | 1601 | |
duke@435 | 1602 | public: |
duke@435 | 1603 | LIR_OpDelay(LIR_Op* op, CodeEmitInfo* info): |
duke@435 | 1604 | LIR_Op(lir_delay_slot, LIR_OprFact::illegalOpr, info), |
duke@435 | 1605 | _op(op) { |
duke@435 | 1606 | assert(op->code() == lir_nop || LIRFillDelaySlots, "should be filling with nops"); |
duke@435 | 1607 | } |
duke@435 | 1608 | virtual void emit_code(LIR_Assembler* masm); |
duke@435 | 1609 | virtual LIR_OpDelay* as_OpDelay() { return this; } |
duke@435 | 1610 | void print_instr(outputStream* out) const PRODUCT_RETURN; |
duke@435 | 1611 | LIR_Op* delay_op() const { return _op; } |
duke@435 | 1612 | CodeEmitInfo* call_info() const { return info(); } |
duke@435 | 1613 | }; |
duke@435 | 1614 | |
duke@435 | 1615 | |
duke@435 | 1616 | // LIR_OpCompareAndSwap |
duke@435 | 1617 | class LIR_OpCompareAndSwap : public LIR_Op { |
duke@435 | 1618 | friend class LIR_OpVisitState; |
duke@435 | 1619 | |
duke@435 | 1620 | private: |
duke@435 | 1621 | LIR_Opr _addr; |
duke@435 | 1622 | LIR_Opr _cmp_value; |
duke@435 | 1623 | LIR_Opr _new_value; |
duke@435 | 1624 | LIR_Opr _tmp1; |
duke@435 | 1625 | LIR_Opr _tmp2; |
duke@435 | 1626 | |
duke@435 | 1627 | public: |
duke@435 | 1628 | LIR_OpCompareAndSwap(LIR_Code code, LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value, LIR_Opr t1, LIR_Opr t2) |
duke@435 | 1629 | : LIR_Op(code, LIR_OprFact::illegalOpr, NULL) // no result, no info |
duke@435 | 1630 | , _addr(addr) |
duke@435 | 1631 | , _cmp_value(cmp_value) |
duke@435 | 1632 | , _new_value(new_value) |
duke@435 | 1633 | , _tmp1(t1) |
duke@435 | 1634 | , _tmp2(t2) { } |
duke@435 | 1635 | |
duke@435 | 1636 | LIR_Opr addr() const { return _addr; } |
duke@435 | 1637 | LIR_Opr cmp_value() const { return _cmp_value; } |
duke@435 | 1638 | LIR_Opr new_value() const { return _new_value; } |
duke@435 | 1639 | LIR_Opr tmp1() const { return _tmp1; } |
duke@435 | 1640 | LIR_Opr tmp2() const { return _tmp2; } |
duke@435 | 1641 | |
duke@435 | 1642 | virtual void emit_code(LIR_Assembler* masm); |
duke@435 | 1643 | virtual LIR_OpCompareAndSwap * as_OpCompareAndSwap () { return this; } |
duke@435 | 1644 | virtual void print_instr(outputStream* out) const PRODUCT_RETURN; |
duke@435 | 1645 | }; |
duke@435 | 1646 | |
duke@435 | 1647 | // LIR_OpProfileCall |
duke@435 | 1648 | class LIR_OpProfileCall : public LIR_Op { |
duke@435 | 1649 | friend class LIR_OpVisitState; |
duke@435 | 1650 | |
duke@435 | 1651 | private: |
duke@435 | 1652 | ciMethod* _profiled_method; |
duke@435 | 1653 | int _profiled_bci; |
duke@435 | 1654 | LIR_Opr _mdo; |
duke@435 | 1655 | LIR_Opr _recv; |
duke@435 | 1656 | LIR_Opr _tmp1; |
duke@435 | 1657 | ciKlass* _known_holder; |
duke@435 | 1658 | |
duke@435 | 1659 | public: |
duke@435 | 1660 | // Destroys recv |
duke@435 | 1661 | LIR_OpProfileCall(LIR_Code code, ciMethod* profiled_method, int profiled_bci, LIR_Opr mdo, LIR_Opr recv, LIR_Opr t1, ciKlass* known_holder) |
duke@435 | 1662 | : LIR_Op(code, LIR_OprFact::illegalOpr, NULL) // no result, no info |
duke@435 | 1663 | , _profiled_method(profiled_method) |
duke@435 | 1664 | , _profiled_bci(profiled_bci) |
duke@435 | 1665 | , _mdo(mdo) |
duke@435 | 1666 | , _recv(recv) |
duke@435 | 1667 | , _tmp1(t1) |
duke@435 | 1668 | , _known_holder(known_holder) { } |
duke@435 | 1669 | |
duke@435 | 1670 | ciMethod* profiled_method() const { return _profiled_method; } |
duke@435 | 1671 | int profiled_bci() const { return _profiled_bci; } |
duke@435 | 1672 | LIR_Opr mdo() const { return _mdo; } |
duke@435 | 1673 | LIR_Opr recv() const { return _recv; } |
duke@435 | 1674 | LIR_Opr tmp1() const { return _tmp1; } |
duke@435 | 1675 | ciKlass* known_holder() const { return _known_holder; } |
duke@435 | 1676 | |
duke@435 | 1677 | virtual void emit_code(LIR_Assembler* masm); |
duke@435 | 1678 | virtual LIR_OpProfileCall* as_OpProfileCall() { return this; } |
duke@435 | 1679 | virtual void print_instr(outputStream* out) const PRODUCT_RETURN; |
duke@435 | 1680 | }; |
duke@435 | 1681 | |
duke@435 | 1682 | |
duke@435 | 1683 | class LIR_InsertionBuffer; |
duke@435 | 1684 | |
duke@435 | 1685 | //--------------------------------LIR_List--------------------------------------------------- |
duke@435 | 1686 | // Maintains a list of LIR instructions (one instance of LIR_List per basic block) |
duke@435 | 1687 | // The LIR instructions are appended by the LIR_List class itself; |
duke@435 | 1688 | // |
duke@435 | 1689 | // Notes: |
duke@435 | 1690 | // - all offsets are(should be) in bytes |
duke@435 | 1691 | // - local positions are specified with an offset, with offset 0 being local 0 |
duke@435 | 1692 | |
duke@435 | 1693 | class LIR_List: public CompilationResourceObj { |
duke@435 | 1694 | private: |
duke@435 | 1695 | LIR_OpList _operations; |
duke@435 | 1696 | |
duke@435 | 1697 | Compilation* _compilation; |
duke@435 | 1698 | #ifndef PRODUCT |
duke@435 | 1699 | BlockBegin* _block; |
duke@435 | 1700 | #endif |
duke@435 | 1701 | #ifdef ASSERT |
duke@435 | 1702 | const char * _file; |
duke@435 | 1703 | int _line; |
duke@435 | 1704 | #endif |
duke@435 | 1705 | |
duke@435 | 1706 | void append(LIR_Op* op) { |
duke@435 | 1707 | if (op->source() == NULL) |
duke@435 | 1708 | op->set_source(_compilation->current_instruction()); |
duke@435 | 1709 | #ifndef PRODUCT |
duke@435 | 1710 | if (PrintIRWithLIR) { |
duke@435 | 1711 | _compilation->maybe_print_current_instruction(); |
duke@435 | 1712 | op->print(); tty->cr(); |
duke@435 | 1713 | } |
duke@435 | 1714 | #endif // PRODUCT |
duke@435 | 1715 | |
duke@435 | 1716 | _operations.append(op); |
duke@435 | 1717 | |
duke@435 | 1718 | #ifdef ASSERT |
duke@435 | 1719 | op->verify(); |
duke@435 | 1720 | op->set_file_and_line(_file, _line); |
duke@435 | 1721 | _file = NULL; |
duke@435 | 1722 | _line = 0; |
duke@435 | 1723 | #endif |
duke@435 | 1724 | } |
duke@435 | 1725 | |
duke@435 | 1726 | public: |
duke@435 | 1727 | LIR_List(Compilation* compilation, BlockBegin* block = NULL); |
duke@435 | 1728 | |
duke@435 | 1729 | #ifdef ASSERT |
duke@435 | 1730 | void set_file_and_line(const char * file, int line); |
duke@435 | 1731 | #endif |
duke@435 | 1732 | |
duke@435 | 1733 | //---------- accessors --------------- |
duke@435 | 1734 | LIR_OpList* instructions_list() { return &_operations; } |
duke@435 | 1735 | int length() const { return _operations.length(); } |
duke@435 | 1736 | LIR_Op* at(int i) const { return _operations.at(i); } |
duke@435 | 1737 | |
duke@435 | 1738 | NOT_PRODUCT(BlockBegin* block() const { return _block; }); |
duke@435 | 1739 | |
duke@435 | 1740 | // insert LIR_Ops in buffer to right places in LIR_List |
duke@435 | 1741 | void append(LIR_InsertionBuffer* buffer); |
duke@435 | 1742 | |
duke@435 | 1743 | //---------- mutators --------------- |
duke@435 | 1744 | void insert_before(int i, LIR_List* op_list) { _operations.insert_before(i, op_list->instructions_list()); } |
duke@435 | 1745 | void insert_before(int i, LIR_Op* op) { _operations.insert_before(i, op); } |
duke@435 | 1746 | |
duke@435 | 1747 | //---------- printing ------------- |
duke@435 | 1748 | void print_instructions() PRODUCT_RETURN; |
duke@435 | 1749 | |
duke@435 | 1750 | |
duke@435 | 1751 | //---------- instructions ------------- |
duke@435 | 1752 | void call_opt_virtual(ciMethod* method, LIR_Opr receiver, LIR_Opr result, |
duke@435 | 1753 | address dest, LIR_OprList* arguments, |
duke@435 | 1754 | CodeEmitInfo* info) { |
duke@435 | 1755 | append(new LIR_OpJavaCall(lir_optvirtual_call, method, receiver, result, dest, arguments, info)); |
duke@435 | 1756 | } |
duke@435 | 1757 | void call_static(ciMethod* method, LIR_Opr result, |
duke@435 | 1758 | address dest, LIR_OprList* arguments, CodeEmitInfo* info) { |
duke@435 | 1759 | append(new LIR_OpJavaCall(lir_static_call, method, LIR_OprFact::illegalOpr, result, dest, arguments, info)); |
duke@435 | 1760 | } |
duke@435 | 1761 | void call_icvirtual(ciMethod* method, LIR_Opr receiver, LIR_Opr result, |
duke@435 | 1762 | address dest, LIR_OprList* arguments, CodeEmitInfo* info) { |
duke@435 | 1763 | append(new LIR_OpJavaCall(lir_icvirtual_call, method, receiver, result, dest, arguments, info)); |
duke@435 | 1764 | } |
duke@435 | 1765 | void call_virtual(ciMethod* method, LIR_Opr receiver, LIR_Opr result, |
duke@435 | 1766 | intptr_t vtable_offset, LIR_OprList* arguments, CodeEmitInfo* info) { |
duke@435 | 1767 | append(new LIR_OpJavaCall(lir_virtual_call, method, receiver, result, vtable_offset, arguments, info)); |
duke@435 | 1768 | } |
duke@435 | 1769 | |
duke@435 | 1770 | void get_thread(LIR_Opr result) { append(new LIR_Op0(lir_get_thread, result)); } |
duke@435 | 1771 | void word_align() { append(new LIR_Op0(lir_word_align)); } |
duke@435 | 1772 | void membar() { append(new LIR_Op0(lir_membar)); } |
duke@435 | 1773 | void membar_acquire() { append(new LIR_Op0(lir_membar_acquire)); } |
duke@435 | 1774 | void membar_release() { append(new LIR_Op0(lir_membar_release)); } |
duke@435 | 1775 | |
duke@435 | 1776 | void nop() { append(new LIR_Op0(lir_nop)); } |
duke@435 | 1777 | void build_frame() { append(new LIR_Op0(lir_build_frame)); } |
duke@435 | 1778 | |
duke@435 | 1779 | void std_entry(LIR_Opr receiver) { append(new LIR_Op0(lir_std_entry, receiver)); } |
duke@435 | 1780 | void osr_entry(LIR_Opr osrPointer) { append(new LIR_Op0(lir_osr_entry, osrPointer)); } |
duke@435 | 1781 | |
duke@435 | 1782 | void branch_destination(Label* lbl) { append(new LIR_OpLabel(lbl)); } |
duke@435 | 1783 | |
duke@435 | 1784 | void negate(LIR_Opr from, LIR_Opr to) { append(new LIR_Op1(lir_neg, from, to)); } |
duke@435 | 1785 | void leal(LIR_Opr from, LIR_Opr result_reg) { append(new LIR_Op1(lir_leal, from, result_reg)); } |
duke@435 | 1786 | |
duke@435 | 1787 | // result is a stack location for old backend and vreg for UseLinearScan |
duke@435 | 1788 | // stack_loc_temp is an illegal register for old backend |
duke@435 | 1789 | void roundfp(LIR_Opr reg, LIR_Opr stack_loc_temp, LIR_Opr result) { append(new LIR_OpRoundFP(reg, stack_loc_temp, result)); } |
duke@435 | 1790 | void unaligned_move(LIR_Address* src, LIR_Opr dst) { append(new LIR_Op1(lir_move, LIR_OprFact::address(src), dst, dst->type(), lir_patch_none, NULL, lir_move_unaligned)); } |
duke@435 | 1791 | void unaligned_move(LIR_Opr src, LIR_Address* dst) { append(new LIR_Op1(lir_move, src, LIR_OprFact::address(dst), src->type(), lir_patch_none, NULL, lir_move_unaligned)); } |
duke@435 | 1792 | void unaligned_move(LIR_Opr src, LIR_Opr dst) { append(new LIR_Op1(lir_move, src, dst, dst->type(), lir_patch_none, NULL, lir_move_unaligned)); } |
duke@435 | 1793 | void move(LIR_Opr src, LIR_Opr dst, CodeEmitInfo* info = NULL) { append(new LIR_Op1(lir_move, src, dst, dst->type(), lir_patch_none, info)); } |
duke@435 | 1794 | void move(LIR_Address* src, LIR_Opr dst, CodeEmitInfo* info = NULL) { append(new LIR_Op1(lir_move, LIR_OprFact::address(src), dst, src->type(), lir_patch_none, info)); } |
duke@435 | 1795 | void move(LIR_Opr src, LIR_Address* dst, CodeEmitInfo* info = NULL) { append(new LIR_Op1(lir_move, src, LIR_OprFact::address(dst), dst->type(), lir_patch_none, info)); } |
duke@435 | 1796 | |
duke@435 | 1797 | void volatile_move(LIR_Opr src, LIR_Opr dst, BasicType type, CodeEmitInfo* info = NULL, LIR_PatchCode patch_code = lir_patch_none) { append(new LIR_Op1(lir_move, src, dst, type, patch_code, info, lir_move_volatile)); } |
duke@435 | 1798 | |
duke@435 | 1799 | void oop2reg (jobject o, LIR_Opr reg) { append(new LIR_Op1(lir_move, LIR_OprFact::oopConst(o), reg)); } |
duke@435 | 1800 | void oop2reg_patch(jobject o, LIR_Opr reg, CodeEmitInfo* info); |
duke@435 | 1801 | |
duke@435 | 1802 | void return_op(LIR_Opr result) { append(new LIR_Op1(lir_return, result)); } |
duke@435 | 1803 | |
duke@435 | 1804 | void safepoint(LIR_Opr tmp, CodeEmitInfo* info) { append(new LIR_Op1(lir_safepoint, tmp, info)); } |
duke@435 | 1805 | |
duke@435 | 1806 | void convert(Bytecodes::Code code, LIR_Opr left, LIR_Opr dst, ConversionStub* stub = NULL/*, bool is_32bit = false*/) { append(new LIR_OpConvert(code, left, dst, stub)); } |
duke@435 | 1807 | |
duke@435 | 1808 | void logical_and (LIR_Opr left, LIR_Opr right, LIR_Opr dst) { append(new LIR_Op2(lir_logic_and, left, right, dst)); } |
duke@435 | 1809 | void logical_or (LIR_Opr left, LIR_Opr right, LIR_Opr dst) { append(new LIR_Op2(lir_logic_or, left, right, dst)); } |
duke@435 | 1810 | void logical_xor (LIR_Opr left, LIR_Opr right, LIR_Opr dst) { append(new LIR_Op2(lir_logic_xor, left, right, dst)); } |
duke@435 | 1811 | |
duke@435 | 1812 | void null_check(LIR_Opr opr, CodeEmitInfo* info) { append(new LIR_Op1(lir_null_check, opr, info)); } |
duke@435 | 1813 | void throw_exception(LIR_Opr exceptionPC, LIR_Opr exceptionOop, CodeEmitInfo* info) { append(new LIR_Op2(lir_throw, exceptionPC, exceptionOop, LIR_OprFact::illegalOpr, info)); } |
duke@435 | 1814 | void unwind_exception(LIR_Opr exceptionPC, LIR_Opr exceptionOop, CodeEmitInfo* info) { append(new LIR_Op2(lir_unwind, exceptionPC, exceptionOop, LIR_OprFact::illegalOpr, info)); } |
duke@435 | 1815 | |
duke@435 | 1816 | void compare_to (LIR_Opr left, LIR_Opr right, LIR_Opr dst) { |
duke@435 | 1817 | append(new LIR_Op2(lir_compare_to, left, right, dst)); |
duke@435 | 1818 | } |
duke@435 | 1819 | |
duke@435 | 1820 | void push(LIR_Opr opr) { append(new LIR_Op1(lir_push, opr)); } |
duke@435 | 1821 | void pop(LIR_Opr reg) { append(new LIR_Op1(lir_pop, reg)); } |
duke@435 | 1822 | |
duke@435 | 1823 | void cmp(LIR_Condition condition, LIR_Opr left, LIR_Opr right, CodeEmitInfo* info = NULL) { |
duke@435 | 1824 | append(new LIR_Op2(lir_cmp, condition, left, right, info)); |
duke@435 | 1825 | } |
duke@435 | 1826 | void cmp(LIR_Condition condition, LIR_Opr left, int right, CodeEmitInfo* info = NULL) { |
duke@435 | 1827 | cmp(condition, left, LIR_OprFact::intConst(right), info); |
duke@435 | 1828 | } |
duke@435 | 1829 | |
duke@435 | 1830 | void cmp_mem_int(LIR_Condition condition, LIR_Opr base, int disp, int c, CodeEmitInfo* info); |
duke@435 | 1831 | void cmp_reg_mem(LIR_Condition condition, LIR_Opr reg, LIR_Address* addr, CodeEmitInfo* info); |
duke@435 | 1832 | |
duke@435 | 1833 | void cmove(LIR_Condition condition, LIR_Opr src1, LIR_Opr src2, LIR_Opr dst) { |
duke@435 | 1834 | append(new LIR_Op2(lir_cmove, condition, src1, src2, dst)); |
duke@435 | 1835 | } |
duke@435 | 1836 | |
duke@435 | 1837 | void cas_long(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value, LIR_Opr t1, LIR_Opr t2); |
duke@435 | 1838 | void cas_obj(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value, LIR_Opr t1, LIR_Opr t2); |
duke@435 | 1839 | void cas_int(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value, LIR_Opr t1, LIR_Opr t2); |
duke@435 | 1840 | |
duke@435 | 1841 | void abs (LIR_Opr from, LIR_Opr to, LIR_Opr tmp) { append(new LIR_Op2(lir_abs , from, tmp, to)); } |
duke@435 | 1842 | void sqrt(LIR_Opr from, LIR_Opr to, LIR_Opr tmp) { append(new LIR_Op2(lir_sqrt, from, tmp, to)); } |
duke@435 | 1843 | void log (LIR_Opr from, LIR_Opr to, LIR_Opr tmp) { append(new LIR_Op2(lir_log, from, tmp, to)); } |
duke@435 | 1844 | void log10 (LIR_Opr from, LIR_Opr to, LIR_Opr tmp) { append(new LIR_Op2(lir_log10, from, tmp, to)); } |
duke@435 | 1845 | void sin (LIR_Opr from, LIR_Opr to, LIR_Opr tmp1, LIR_Opr tmp2) { append(new LIR_Op2(lir_sin , from, tmp1, to, tmp2)); } |
duke@435 | 1846 | void cos (LIR_Opr from, LIR_Opr to, LIR_Opr tmp1, LIR_Opr tmp2) { append(new LIR_Op2(lir_cos , from, tmp1, to, tmp2)); } |
duke@435 | 1847 | void tan (LIR_Opr from, LIR_Opr to, LIR_Opr tmp1, LIR_Opr tmp2) { append(new LIR_Op2(lir_tan , from, tmp1, to, tmp2)); } |
duke@435 | 1848 | |
duke@435 | 1849 | void add (LIR_Opr left, LIR_Opr right, LIR_Opr res) { append(new LIR_Op2(lir_add, left, right, res)); } |
duke@435 | 1850 | void sub (LIR_Opr left, LIR_Opr right, LIR_Opr res, CodeEmitInfo* info = NULL) { append(new LIR_Op2(lir_sub, left, right, res, info)); } |
duke@435 | 1851 | void mul (LIR_Opr left, LIR_Opr right, LIR_Opr res) { append(new LIR_Op2(lir_mul, left, right, res)); } |
duke@435 | 1852 | void mul_strictfp (LIR_Opr left, LIR_Opr right, LIR_Opr res, LIR_Opr tmp) { append(new LIR_Op2(lir_mul_strictfp, left, right, res, tmp)); } |
duke@435 | 1853 | void div (LIR_Opr left, LIR_Opr right, LIR_Opr res, CodeEmitInfo* info = NULL) { append(new LIR_Op2(lir_div, left, right, res, info)); } |
duke@435 | 1854 | void div_strictfp (LIR_Opr left, LIR_Opr right, LIR_Opr res, LIR_Opr tmp) { append(new LIR_Op2(lir_div_strictfp, left, right, res, tmp)); } |
duke@435 | 1855 | void rem (LIR_Opr left, LIR_Opr right, LIR_Opr res, CodeEmitInfo* info = NULL) { append(new LIR_Op2(lir_rem, left, right, res, info)); } |
duke@435 | 1856 | |
duke@435 | 1857 | void volatile_load_mem_reg(LIR_Address* address, LIR_Opr dst, CodeEmitInfo* info, LIR_PatchCode patch_code = lir_patch_none); |
duke@435 | 1858 | void volatile_load_unsafe_reg(LIR_Opr base, LIR_Opr offset, LIR_Opr dst, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code); |
duke@435 | 1859 | |
duke@435 | 1860 | void load(LIR_Address* addr, LIR_Opr src, CodeEmitInfo* info = NULL, LIR_PatchCode patch_code = lir_patch_none); |
duke@435 | 1861 | |
duke@435 | 1862 | void prefetch(LIR_Address* addr, bool is_store); |
duke@435 | 1863 | |
duke@435 | 1864 | void store_mem_int(jint v, LIR_Opr base, int offset_in_bytes, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code = lir_patch_none); |
duke@435 | 1865 | void store_mem_oop(jobject o, LIR_Opr base, int offset_in_bytes, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code = lir_patch_none); |
duke@435 | 1866 | void store(LIR_Opr src, LIR_Address* addr, CodeEmitInfo* info = NULL, LIR_PatchCode patch_code = lir_patch_none); |
duke@435 | 1867 | void volatile_store_mem_reg(LIR_Opr src, LIR_Address* address, CodeEmitInfo* info, LIR_PatchCode patch_code = lir_patch_none); |
duke@435 | 1868 | void volatile_store_unsafe_reg(LIR_Opr src, LIR_Opr base, LIR_Opr offset, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code); |
duke@435 | 1869 | |
duke@435 | 1870 | void idiv(LIR_Opr left, LIR_Opr right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info); |
duke@435 | 1871 | void idiv(LIR_Opr left, int right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info); |
duke@435 | 1872 | void irem(LIR_Opr left, LIR_Opr right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info); |
duke@435 | 1873 | void irem(LIR_Opr left, int right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info); |
duke@435 | 1874 | |
duke@435 | 1875 | void allocate_object(LIR_Opr dst, LIR_Opr t1, LIR_Opr t2, LIR_Opr t3, LIR_Opr t4, int header_size, int object_size, LIR_Opr klass, bool init_check, CodeStub* stub); |
duke@435 | 1876 | void allocate_array(LIR_Opr dst, LIR_Opr len, LIR_Opr t1,LIR_Opr t2, LIR_Opr t3,LIR_Opr t4, BasicType type, LIR_Opr klass, CodeStub* stub); |
duke@435 | 1877 | |
duke@435 | 1878 | // jump is an unconditional branch |
duke@435 | 1879 | void jump(BlockBegin* block) { |
duke@435 | 1880 | append(new LIR_OpBranch(lir_cond_always, T_ILLEGAL, block)); |
duke@435 | 1881 | } |
duke@435 | 1882 | void jump(CodeStub* stub) { |
duke@435 | 1883 | append(new LIR_OpBranch(lir_cond_always, T_ILLEGAL, stub)); |
duke@435 | 1884 | } |
duke@435 | 1885 | void branch(LIR_Condition cond, Label* lbl) { append(new LIR_OpBranch(cond, lbl)); } |
duke@435 | 1886 | void branch(LIR_Condition cond, BasicType type, BlockBegin* block) { |
duke@435 | 1887 | assert(type != T_FLOAT && type != T_DOUBLE, "no fp comparisons"); |
duke@435 | 1888 | append(new LIR_OpBranch(cond, type, block)); |
duke@435 | 1889 | } |
duke@435 | 1890 | void branch(LIR_Condition cond, BasicType type, CodeStub* stub) { |
duke@435 | 1891 | assert(type != T_FLOAT && type != T_DOUBLE, "no fp comparisons"); |
duke@435 | 1892 | append(new LIR_OpBranch(cond, type, stub)); |
duke@435 | 1893 | } |
duke@435 | 1894 | void branch(LIR_Condition cond, BasicType type, BlockBegin* block, BlockBegin* unordered) { |
duke@435 | 1895 | assert(type == T_FLOAT || type == T_DOUBLE, "fp comparisons only"); |
duke@435 | 1896 | append(new LIR_OpBranch(cond, type, block, unordered)); |
duke@435 | 1897 | } |
duke@435 | 1898 | |
duke@435 | 1899 | void shift_left(LIR_Opr value, LIR_Opr count, LIR_Opr dst, LIR_Opr tmp); |
duke@435 | 1900 | void shift_right(LIR_Opr value, LIR_Opr count, LIR_Opr dst, LIR_Opr tmp); |
duke@435 | 1901 | void unsigned_shift_right(LIR_Opr value, LIR_Opr count, LIR_Opr dst, LIR_Opr tmp); |
duke@435 | 1902 | |
duke@435 | 1903 | void shift_left(LIR_Opr value, int count, LIR_Opr dst) { shift_left(value, LIR_OprFact::intConst(count), dst, LIR_OprFact::illegalOpr); } |
duke@435 | 1904 | void shift_right(LIR_Opr value, int count, LIR_Opr dst) { shift_right(value, LIR_OprFact::intConst(count), dst, LIR_OprFact::illegalOpr); } |
duke@435 | 1905 | void unsigned_shift_right(LIR_Opr value, int count, LIR_Opr dst) { unsigned_shift_right(value, LIR_OprFact::intConst(count), dst, LIR_OprFact::illegalOpr); } |
duke@435 | 1906 | |
duke@435 | 1907 | void lcmp2int(LIR_Opr left, LIR_Opr right, LIR_Opr dst) { append(new LIR_Op2(lir_cmp_l2i, left, right, dst)); } |
duke@435 | 1908 | void fcmp2int(LIR_Opr left, LIR_Opr right, LIR_Opr dst, bool is_unordered_less); |
duke@435 | 1909 | |
duke@435 | 1910 | void call_runtime_leaf(address routine, LIR_Opr tmp, LIR_Opr result, LIR_OprList* arguments) { |
duke@435 | 1911 | append(new LIR_OpRTCall(routine, tmp, result, arguments)); |
duke@435 | 1912 | } |
duke@435 | 1913 | |
duke@435 | 1914 | void call_runtime(address routine, LIR_Opr tmp, LIR_Opr result, |
duke@435 | 1915 | LIR_OprList* arguments, CodeEmitInfo* info) { |
duke@435 | 1916 | append(new LIR_OpRTCall(routine, tmp, result, arguments, info)); |
duke@435 | 1917 | } |
duke@435 | 1918 | |
duke@435 | 1919 | void load_stack_address_monitor(int monitor_ix, LIR_Opr dst) { append(new LIR_Op1(lir_monaddr, LIR_OprFact::intConst(monitor_ix), dst)); } |
duke@435 | 1920 | void unlock_object(LIR_Opr hdr, LIR_Opr obj, LIR_Opr lock, CodeStub* stub); |
duke@435 | 1921 | void lock_object(LIR_Opr hdr, LIR_Opr obj, LIR_Opr lock, LIR_Opr scratch, CodeStub* stub, CodeEmitInfo* info); |
duke@435 | 1922 | |
duke@435 | 1923 | void set_24bit_fpu() { append(new LIR_Op0(lir_24bit_FPU )); } |
duke@435 | 1924 | void restore_fpu() { append(new LIR_Op0(lir_reset_FPU )); } |
duke@435 | 1925 | void breakpoint() { append(new LIR_Op0(lir_breakpoint)); } |
duke@435 | 1926 | |
duke@435 | 1927 | void arraycopy(LIR_Opr src, LIR_Opr src_pos, LIR_Opr dst, LIR_Opr dst_pos, LIR_Opr length, LIR_Opr tmp, ciArrayKlass* expected_type, int flags, CodeEmitInfo* info) { append(new LIR_OpArrayCopy(src, src_pos, dst, dst_pos, length, tmp, expected_type, flags, info)); } |
duke@435 | 1928 | |
duke@435 | 1929 | void fpop_raw() { append(new LIR_Op0(lir_fpop_raw)); } |
duke@435 | 1930 | |
duke@435 | 1931 | void checkcast (LIR_Opr result, LIR_Opr object, ciKlass* klass, |
duke@435 | 1932 | LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, bool fast_check, |
duke@435 | 1933 | CodeEmitInfo* info_for_exception, CodeEmitInfo* info_for_patch, CodeStub* stub, |
duke@435 | 1934 | ciMethod* profiled_method, int profiled_bci); |
duke@435 | 1935 | void instanceof(LIR_Opr result, LIR_Opr object, ciKlass* klass, LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, bool fast_check, CodeEmitInfo* info_for_patch); |
duke@435 | 1936 | void store_check(LIR_Opr object, LIR_Opr array, LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, CodeEmitInfo* info_for_exception); |
duke@435 | 1937 | |
duke@435 | 1938 | // methodDataOop profiling |
duke@435 | 1939 | void profile_call(ciMethod* method, int bci, LIR_Opr mdo, LIR_Opr recv, LIR_Opr t1, ciKlass* cha_klass) { append(new LIR_OpProfileCall(lir_profile_call, method, bci, mdo, recv, t1, cha_klass)); } |
duke@435 | 1940 | }; |
duke@435 | 1941 | |
duke@435 | 1942 | void print_LIR(BlockList* blocks); |
duke@435 | 1943 | |
duke@435 | 1944 | class LIR_InsertionBuffer : public CompilationResourceObj { |
duke@435 | 1945 | private: |
duke@435 | 1946 | LIR_List* _lir; // the lir list where ops of this buffer should be inserted later (NULL when uninitialized) |
duke@435 | 1947 | |
duke@435 | 1948 | // list of insertion points. index and count are stored alternately: |
duke@435 | 1949 | // _index_and_count[i * 2]: the index into lir list where "count" ops should be inserted |
duke@435 | 1950 | // _index_and_count[i * 2 + 1]: the number of ops to be inserted at index |
duke@435 | 1951 | intStack _index_and_count; |
duke@435 | 1952 | |
duke@435 | 1953 | // the LIR_Ops to be inserted |
duke@435 | 1954 | LIR_OpList _ops; |
duke@435 | 1955 | |
duke@435 | 1956 | void append_new(int index, int count) { _index_and_count.append(index); _index_and_count.append(count); } |
duke@435 | 1957 | void set_index_at(int i, int value) { _index_and_count.at_put((i << 1), value); } |
duke@435 | 1958 | void set_count_at(int i, int value) { _index_and_count.at_put((i << 1) + 1, value); } |
duke@435 | 1959 | |
duke@435 | 1960 | #ifdef ASSERT |
duke@435 | 1961 | void verify(); |
duke@435 | 1962 | #endif |
duke@435 | 1963 | public: |
duke@435 | 1964 | LIR_InsertionBuffer() : _lir(NULL), _index_and_count(8), _ops(8) { } |
duke@435 | 1965 | |
duke@435 | 1966 | // must be called before using the insertion buffer |
duke@435 | 1967 | void init(LIR_List* lir) { assert(!initialized(), "already initialized"); _lir = lir; _index_and_count.clear(); _ops.clear(); } |
duke@435 | 1968 | bool initialized() const { return _lir != NULL; } |
duke@435 | 1969 | // called automatically when the buffer is appended to the LIR_List |
duke@435 | 1970 | void finish() { _lir = NULL; } |
duke@435 | 1971 | |
duke@435 | 1972 | // accessors |
duke@435 | 1973 | LIR_List* lir_list() const { return _lir; } |
duke@435 | 1974 | int number_of_insertion_points() const { return _index_and_count.length() >> 1; } |
duke@435 | 1975 | int index_at(int i) const { return _index_and_count.at((i << 1)); } |
duke@435 | 1976 | int count_at(int i) const { return _index_and_count.at((i << 1) + 1); } |
duke@435 | 1977 | |
duke@435 | 1978 | int number_of_ops() const { return _ops.length(); } |
duke@435 | 1979 | LIR_Op* op_at(int i) const { return _ops.at(i); } |
duke@435 | 1980 | |
duke@435 | 1981 | // append an instruction to the buffer |
duke@435 | 1982 | void append(int index, LIR_Op* op); |
duke@435 | 1983 | |
duke@435 | 1984 | // instruction |
duke@435 | 1985 | void move(int index, LIR_Opr src, LIR_Opr dst, CodeEmitInfo* info = NULL) { append(index, new LIR_Op1(lir_move, src, dst, dst->type(), lir_patch_none, info)); } |
duke@435 | 1986 | }; |
duke@435 | 1987 | |
duke@435 | 1988 | |
duke@435 | 1989 | // |
duke@435 | 1990 | // LIR_OpVisitState is used for manipulating LIR_Ops in an abstract way. |
duke@435 | 1991 | // Calling a LIR_Op's visit function with a LIR_OpVisitState causes |
duke@435 | 1992 | // information about the input, output and temporaries used by the |
duke@435 | 1993 | // op to be recorded. It also records whether the op has call semantics |
duke@435 | 1994 | // and also records all the CodeEmitInfos used by this op. |
duke@435 | 1995 | // |
duke@435 | 1996 | |
duke@435 | 1997 | |
duke@435 | 1998 | class LIR_OpVisitState: public StackObj { |
duke@435 | 1999 | public: |
duke@435 | 2000 | typedef enum { inputMode, firstMode = inputMode, tempMode, outputMode, numModes, invalidMode = -1 } OprMode; |
duke@435 | 2001 | |
duke@435 | 2002 | enum { |
duke@435 | 2003 | maxNumberOfOperands = 14, |
duke@435 | 2004 | maxNumberOfInfos = 4 |
duke@435 | 2005 | }; |
duke@435 | 2006 | |
duke@435 | 2007 | private: |
duke@435 | 2008 | LIR_Op* _op; |
duke@435 | 2009 | |
duke@435 | 2010 | // optimization: the operands and infos are not stored in a variable-length |
duke@435 | 2011 | // list, but in a fixed-size array to save time of size checks and resizing |
duke@435 | 2012 | int _oprs_len[numModes]; |
duke@435 | 2013 | LIR_Opr* _oprs_new[numModes][maxNumberOfOperands]; |
duke@435 | 2014 | int _info_len; |
duke@435 | 2015 | CodeEmitInfo* _info_new[maxNumberOfInfos]; |
duke@435 | 2016 | |
duke@435 | 2017 | bool _has_call; |
duke@435 | 2018 | bool _has_slow_case; |
duke@435 | 2019 | |
duke@435 | 2020 | |
duke@435 | 2021 | // only include register operands |
duke@435 | 2022 | // addresses are decomposed to the base and index registers |
duke@435 | 2023 | // constants and stack operands are ignored |
duke@435 | 2024 | void append(LIR_Opr& opr, OprMode mode) { |
duke@435 | 2025 | assert(opr->is_valid(), "should not call this otherwise"); |
duke@435 | 2026 | assert(mode >= 0 && mode < numModes, "bad mode"); |
duke@435 | 2027 | |
duke@435 | 2028 | if (opr->is_register()) { |
duke@435 | 2029 | assert(_oprs_len[mode] < maxNumberOfOperands, "array overflow"); |
duke@435 | 2030 | _oprs_new[mode][_oprs_len[mode]++] = &opr; |
duke@435 | 2031 | |
duke@435 | 2032 | } else if (opr->is_pointer()) { |
duke@435 | 2033 | LIR_Address* address = opr->as_address_ptr(); |
duke@435 | 2034 | if (address != NULL) { |
duke@435 | 2035 | // special handling for addresses: add base and index register of the address |
duke@435 | 2036 | // both are always input operands! |
duke@435 | 2037 | if (address->_base->is_valid()) { |
duke@435 | 2038 | assert(address->_base->is_register(), "must be"); |
duke@435 | 2039 | assert(_oprs_len[inputMode] < maxNumberOfOperands, "array overflow"); |
duke@435 | 2040 | _oprs_new[inputMode][_oprs_len[inputMode]++] = &address->_base; |
duke@435 | 2041 | } |
duke@435 | 2042 | if (address->_index->is_valid()) { |
duke@435 | 2043 | assert(address->_index->is_register(), "must be"); |
duke@435 | 2044 | assert(_oprs_len[inputMode] < maxNumberOfOperands, "array overflow"); |
duke@435 | 2045 | _oprs_new[inputMode][_oprs_len[inputMode]++] = &address->_index; |
duke@435 | 2046 | } |
duke@435 | 2047 | |
duke@435 | 2048 | } else { |
duke@435 | 2049 | assert(opr->is_constant(), "constant operands are not processed"); |
duke@435 | 2050 | } |
duke@435 | 2051 | } else { |
duke@435 | 2052 | assert(opr->is_stack(), "stack operands are not processed"); |
duke@435 | 2053 | } |
duke@435 | 2054 | } |
duke@435 | 2055 | |
duke@435 | 2056 | void append(CodeEmitInfo* info) { |
duke@435 | 2057 | assert(info != NULL, "should not call this otherwise"); |
duke@435 | 2058 | assert(_info_len < maxNumberOfInfos, "array overflow"); |
duke@435 | 2059 | _info_new[_info_len++] = info; |
duke@435 | 2060 | } |
duke@435 | 2061 | |
duke@435 | 2062 | public: |
duke@435 | 2063 | LIR_OpVisitState() { reset(); } |
duke@435 | 2064 | |
duke@435 | 2065 | LIR_Op* op() const { return _op; } |
duke@435 | 2066 | void set_op(LIR_Op* op) { reset(); _op = op; } |
duke@435 | 2067 | |
duke@435 | 2068 | bool has_call() const { return _has_call; } |
duke@435 | 2069 | bool has_slow_case() const { return _has_slow_case; } |
duke@435 | 2070 | |
duke@435 | 2071 | void reset() { |
duke@435 | 2072 | _op = NULL; |
duke@435 | 2073 | _has_call = false; |
duke@435 | 2074 | _has_slow_case = false; |
duke@435 | 2075 | |
duke@435 | 2076 | _oprs_len[inputMode] = 0; |
duke@435 | 2077 | _oprs_len[tempMode] = 0; |
duke@435 | 2078 | _oprs_len[outputMode] = 0; |
duke@435 | 2079 | _info_len = 0; |
duke@435 | 2080 | } |
duke@435 | 2081 | |
duke@435 | 2082 | |
duke@435 | 2083 | int opr_count(OprMode mode) const { |
duke@435 | 2084 | assert(mode >= 0 && mode < numModes, "bad mode"); |
duke@435 | 2085 | return _oprs_len[mode]; |
duke@435 | 2086 | } |
duke@435 | 2087 | |
duke@435 | 2088 | LIR_Opr opr_at(OprMode mode, int index) const { |
duke@435 | 2089 | assert(mode >= 0 && mode < numModes, "bad mode"); |
duke@435 | 2090 | assert(index >= 0 && index < _oprs_len[mode], "index out of bound"); |
duke@435 | 2091 | return *_oprs_new[mode][index]; |
duke@435 | 2092 | } |
duke@435 | 2093 | |
duke@435 | 2094 | void set_opr_at(OprMode mode, int index, LIR_Opr opr) const { |
duke@435 | 2095 | assert(mode >= 0 && mode < numModes, "bad mode"); |
duke@435 | 2096 | assert(index >= 0 && index < _oprs_len[mode], "index out of bound"); |
duke@435 | 2097 | *_oprs_new[mode][index] = opr; |
duke@435 | 2098 | } |
duke@435 | 2099 | |
duke@435 | 2100 | int info_count() const { |
duke@435 | 2101 | return _info_len; |
duke@435 | 2102 | } |
duke@435 | 2103 | |
duke@435 | 2104 | CodeEmitInfo* info_at(int index) const { |
duke@435 | 2105 | assert(index < _info_len, "index out of bounds"); |
duke@435 | 2106 | return _info_new[index]; |
duke@435 | 2107 | } |
duke@435 | 2108 | |
duke@435 | 2109 | XHandlers* all_xhandler(); |
duke@435 | 2110 | |
duke@435 | 2111 | // collects all register operands of the instruction |
duke@435 | 2112 | void visit(LIR_Op* op); |
duke@435 | 2113 | |
duke@435 | 2114 | #if ASSERT |
duke@435 | 2115 | // check that an operation has no operands |
duke@435 | 2116 | bool no_operands(LIR_Op* op); |
duke@435 | 2117 | #endif |
duke@435 | 2118 | |
duke@435 | 2119 | // LIR_Op visitor functions use these to fill in the state |
duke@435 | 2120 | void do_input(LIR_Opr& opr) { append(opr, LIR_OpVisitState::inputMode); } |
duke@435 | 2121 | void do_output(LIR_Opr& opr) { append(opr, LIR_OpVisitState::outputMode); } |
duke@435 | 2122 | void do_temp(LIR_Opr& opr) { append(opr, LIR_OpVisitState::tempMode); } |
duke@435 | 2123 | void do_info(CodeEmitInfo* info) { append(info); } |
duke@435 | 2124 | |
duke@435 | 2125 | void do_stub(CodeStub* stub); |
duke@435 | 2126 | void do_call() { _has_call = true; } |
duke@435 | 2127 | void do_slow_case() { _has_slow_case = true; } |
duke@435 | 2128 | void do_slow_case(CodeEmitInfo* info) { |
duke@435 | 2129 | _has_slow_case = true; |
duke@435 | 2130 | append(info); |
duke@435 | 2131 | } |
duke@435 | 2132 | }; |
duke@435 | 2133 | |
duke@435 | 2134 | |
duke@435 | 2135 | inline LIR_Opr LIR_OprDesc::illegalOpr() { return LIR_OprFact::illegalOpr; }; |