duke@435: /* trims@1907: * Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved. duke@435: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. duke@435: * duke@435: * This code is free software; you can redistribute it and/or modify it duke@435: * under the terms of the GNU General Public License version 2 only, as duke@435: * published by the Free Software Foundation. duke@435: * duke@435: * This code is distributed in the hope that it will be useful, but WITHOUT duke@435: * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or duke@435: * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License duke@435: * version 2 for more details (a copy is included in the LICENSE file that duke@435: * accompanied this code). duke@435: * duke@435: * You should have received a copy of the GNU General Public License version duke@435: * 2 along with this work; if not, write to the Free Software Foundation, duke@435: * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. duke@435: * trims@1907: * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA trims@1907: * or visit www.oracle.com if you need additional information or have any trims@1907: * questions. duke@435: * duke@435: */ duke@435: duke@435: class BlockBegin; duke@435: class BlockList; duke@435: class LIR_Assembler; duke@435: class CodeEmitInfo; duke@435: class CodeStub; duke@435: class CodeStubList; duke@435: class ArrayCopyStub; duke@435: class LIR_Op; duke@435: class ciType; duke@435: class ValueType; duke@435: class LIR_OpVisitState; duke@435: class FpuStackSim; duke@435: duke@435: //--------------------------------------------------------------------- duke@435: // LIR Operands duke@435: // LIR_OprDesc duke@435: // LIR_OprPtr duke@435: // LIR_Const duke@435: // LIR_Address duke@435: //--------------------------------------------------------------------- duke@435: class LIR_OprDesc; duke@435: class LIR_OprPtr; duke@435: class LIR_Const; duke@435: class LIR_Address; duke@435: class LIR_OprVisitor; duke@435: duke@435: duke@435: typedef LIR_OprDesc* LIR_Opr; duke@435: typedef int RegNr; duke@435: duke@435: define_array(LIR_OprArray, LIR_Opr) duke@435: define_stack(LIR_OprList, LIR_OprArray) duke@435: duke@435: define_array(LIR_OprRefArray, LIR_Opr*) duke@435: define_stack(LIR_OprRefList, LIR_OprRefArray) duke@435: duke@435: define_array(CodeEmitInfoArray, CodeEmitInfo*) duke@435: define_stack(CodeEmitInfoList, CodeEmitInfoArray) duke@435: duke@435: define_array(LIR_OpArray, LIR_Op*) duke@435: define_stack(LIR_OpList, LIR_OpArray) duke@435: duke@435: // define LIR_OprPtr early so LIR_OprDesc can refer to it duke@435: class LIR_OprPtr: public CompilationResourceObj { duke@435: public: duke@435: bool is_oop_pointer() const { return (type() == T_OBJECT); } duke@435: bool is_float_kind() const { BasicType t = type(); return (t == T_FLOAT) || (t == T_DOUBLE); } duke@435: duke@435: virtual LIR_Const* as_constant() { return NULL; } duke@435: virtual LIR_Address* as_address() { return NULL; } duke@435: virtual BasicType type() const = 0; duke@435: virtual void print_value_on(outputStream* out) const = 0; duke@435: }; duke@435: duke@435: duke@435: duke@435: // LIR constants duke@435: class LIR_Const: public LIR_OprPtr { duke@435: private: duke@435: JavaValue _value; duke@435: duke@435: void type_check(BasicType t) const { assert(type() == t, "type check"); } duke@435: void type_check(BasicType t1, BasicType t2) const { assert(type() == t1 || type() == t2, "type check"); } roland@1732: void type_check(BasicType t1, BasicType t2, BasicType t3) const { assert(type() == t1 || type() == t2 || type() == t3, "type check"); } duke@435: duke@435: public: roland@1732: LIR_Const(jint i, bool is_address=false) { _value.set_type(is_address?T_ADDRESS:T_INT); _value.set_jint(i); } duke@435: LIR_Const(jlong l) { _value.set_type(T_LONG); _value.set_jlong(l); } duke@435: LIR_Const(jfloat f) { _value.set_type(T_FLOAT); _value.set_jfloat(f); } duke@435: LIR_Const(jdouble d) { _value.set_type(T_DOUBLE); _value.set_jdouble(d); } duke@435: LIR_Const(jobject o) { _value.set_type(T_OBJECT); _value.set_jobject(o); } duke@435: LIR_Const(void* p) { duke@435: #ifdef _LP64 duke@435: assert(sizeof(jlong) >= sizeof(p), "too small");; duke@435: _value.set_type(T_LONG); _value.set_jlong((jlong)p); duke@435: #else duke@435: assert(sizeof(jint) >= sizeof(p), "too small");; duke@435: _value.set_type(T_INT); _value.set_jint((jint)p); duke@435: #endif duke@435: } duke@435: duke@435: virtual BasicType type() const { return _value.get_type(); } duke@435: virtual LIR_Const* as_constant() { return this; } duke@435: roland@1732: jint as_jint() const { type_check(T_INT, T_ADDRESS); return _value.get_jint(); } duke@435: jlong as_jlong() const { type_check(T_LONG ); return _value.get_jlong(); } duke@435: jfloat as_jfloat() const { type_check(T_FLOAT ); return _value.get_jfloat(); } duke@435: jdouble as_jdouble() const { type_check(T_DOUBLE); return _value.get_jdouble(); } duke@435: jobject as_jobject() const { type_check(T_OBJECT); return _value.get_jobject(); } duke@435: jint as_jint_lo() const { type_check(T_LONG ); return low(_value.get_jlong()); } duke@435: jint as_jint_hi() const { type_check(T_LONG ); return high(_value.get_jlong()); } duke@435: duke@435: #ifdef _LP64 duke@435: address as_pointer() const { type_check(T_LONG ); return (address)_value.get_jlong(); } duke@435: #else duke@435: address as_pointer() const { type_check(T_INT ); return (address)_value.get_jint(); } duke@435: #endif duke@435: duke@435: roland@1732: jint as_jint_bits() const { type_check(T_FLOAT, T_INT, T_ADDRESS); return _value.get_jint(); } duke@435: jint as_jint_lo_bits() const { duke@435: if (type() == T_DOUBLE) { duke@435: return low(jlong_cast(_value.get_jdouble())); duke@435: } else { duke@435: return as_jint_lo(); duke@435: } duke@435: } duke@435: jint as_jint_hi_bits() const { duke@435: if (type() == T_DOUBLE) { duke@435: return high(jlong_cast(_value.get_jdouble())); duke@435: } else { duke@435: return as_jint_hi(); duke@435: } duke@435: } never@739: jlong as_jlong_bits() const { never@739: if (type() == T_DOUBLE) { never@739: return jlong_cast(_value.get_jdouble()); never@739: } else { never@739: return as_jlong(); never@739: } never@739: } duke@435: duke@435: virtual void print_value_on(outputStream* out) const PRODUCT_RETURN; duke@435: duke@435: duke@435: bool is_zero_float() { duke@435: jfloat f = as_jfloat(); duke@435: jfloat ok = 0.0f; duke@435: return jint_cast(f) == jint_cast(ok); duke@435: } duke@435: duke@435: bool is_one_float() { duke@435: jfloat f = as_jfloat(); duke@435: return !g_isnan(f) && g_isfinite(f) && f == 1.0; duke@435: } duke@435: duke@435: bool is_zero_double() { duke@435: jdouble d = as_jdouble(); duke@435: jdouble ok = 0.0; duke@435: return jlong_cast(d) == jlong_cast(ok); duke@435: } duke@435: duke@435: bool is_one_double() { duke@435: jdouble d = as_jdouble(); duke@435: return !g_isnan(d) && g_isfinite(d) && d == 1.0; duke@435: } duke@435: }; duke@435: duke@435: duke@435: //---------------------LIR Operand descriptor------------------------------------ duke@435: // duke@435: // The class LIR_OprDesc represents a LIR instruction operand; duke@435: // it can be a register (ALU/FPU), stack location or a constant; duke@435: // Constants and addresses are represented as resource area allocated duke@435: // structures (see above). duke@435: // Registers and stack locations are inlined into the this pointer duke@435: // (see value function). duke@435: duke@435: class LIR_OprDesc: public CompilationResourceObj { duke@435: public: duke@435: // value structure: duke@435: // data opr-type opr-kind duke@435: // +--------------+-------+-------+ duke@435: // [max...........|7 6 5 4|3 2 1 0] duke@435: // ^ duke@435: // is_pointer bit duke@435: // duke@435: // lowest bit cleared, means it is a structure pointer duke@435: // we need 4 bits to represent types duke@435: duke@435: private: duke@435: friend class LIR_OprFact; duke@435: duke@435: // Conversion duke@435: intptr_t value() const { return (intptr_t) this; } duke@435: duke@435: bool check_value_mask(intptr_t mask, intptr_t masked_value) const { duke@435: return (value() & mask) == masked_value; duke@435: } duke@435: duke@435: enum OprKind { duke@435: pointer_value = 0 duke@435: , stack_value = 1 duke@435: , cpu_register = 3 duke@435: , fpu_register = 5 duke@435: , illegal_value = 7 duke@435: }; duke@435: duke@435: enum OprBits { duke@435: pointer_bits = 1 duke@435: , kind_bits = 3 duke@435: , type_bits = 4 duke@435: , size_bits = 2 duke@435: , destroys_bits = 1 duke@435: , virtual_bits = 1 duke@435: , is_xmm_bits = 1 duke@435: , last_use_bits = 1 duke@435: , is_fpu_stack_offset_bits = 1 // used in assertion checking on x86 for FPU stack slot allocation duke@435: , non_data_bits = kind_bits + type_bits + size_bits + destroys_bits + last_use_bits + duke@435: is_fpu_stack_offset_bits + virtual_bits + is_xmm_bits duke@435: , data_bits = BitsPerInt - non_data_bits duke@435: , reg_bits = data_bits / 2 // for two registers in one value encoding duke@435: }; duke@435: duke@435: enum OprShift { duke@435: kind_shift = 0 duke@435: , type_shift = kind_shift + kind_bits duke@435: , size_shift = type_shift + type_bits duke@435: , destroys_shift = size_shift + size_bits duke@435: , last_use_shift = destroys_shift + destroys_bits duke@435: , is_fpu_stack_offset_shift = last_use_shift + last_use_bits duke@435: , virtual_shift = is_fpu_stack_offset_shift + is_fpu_stack_offset_bits duke@435: , is_xmm_shift = virtual_shift + virtual_bits duke@435: , data_shift = is_xmm_shift + is_xmm_bits duke@435: , reg1_shift = data_shift duke@435: , reg2_shift = data_shift + reg_bits duke@435: duke@435: }; duke@435: duke@435: enum OprSize { duke@435: single_size = 0 << size_shift duke@435: , double_size = 1 << size_shift duke@435: }; duke@435: duke@435: enum OprMask { duke@435: kind_mask = right_n_bits(kind_bits) duke@435: , type_mask = right_n_bits(type_bits) << type_shift duke@435: , size_mask = right_n_bits(size_bits) << size_shift duke@435: , last_use_mask = right_n_bits(last_use_bits) << last_use_shift duke@435: , is_fpu_stack_offset_mask = right_n_bits(is_fpu_stack_offset_bits) << is_fpu_stack_offset_shift duke@435: , virtual_mask = right_n_bits(virtual_bits) << virtual_shift duke@435: , is_xmm_mask = right_n_bits(is_xmm_bits) << is_xmm_shift duke@435: , pointer_mask = right_n_bits(pointer_bits) duke@435: , lower_reg_mask = right_n_bits(reg_bits) duke@435: , no_type_mask = (int)(~(type_mask | last_use_mask | is_fpu_stack_offset_mask)) duke@435: }; duke@435: duke@435: uintptr_t data() const { return value() >> data_shift; } duke@435: int lo_reg_half() const { return data() & lower_reg_mask; } duke@435: int hi_reg_half() const { return (data() >> reg_bits) & lower_reg_mask; } duke@435: OprKind kind_field() const { return (OprKind)(value() & kind_mask); } duke@435: OprSize size_field() const { return (OprSize)(value() & size_mask); } duke@435: duke@435: static char type_char(BasicType t); duke@435: duke@435: public: duke@435: enum { duke@435: vreg_base = ConcreteRegisterImpl::number_of_registers, duke@435: vreg_max = (1 << data_bits) - 1 duke@435: }; duke@435: duke@435: static inline LIR_Opr illegalOpr(); duke@435: duke@435: enum OprType { duke@435: unknown_type = 0 << type_shift // means: not set (catch uninitialized types) duke@435: , int_type = 1 << type_shift duke@435: , long_type = 2 << type_shift duke@435: , object_type = 3 << type_shift duke@435: , pointer_type = 4 << type_shift duke@435: , float_type = 5 << type_shift duke@435: , double_type = 6 << type_shift duke@435: }; duke@435: friend OprType as_OprType(BasicType t); duke@435: friend BasicType as_BasicType(OprType t); duke@435: duke@435: OprType type_field_valid() const { assert(is_register() || is_stack(), "should not be called otherwise"); return (OprType)(value() & type_mask); } duke@435: OprType type_field() const { return is_illegal() ? unknown_type : (OprType)(value() & type_mask); } duke@435: duke@435: static OprSize size_for(BasicType t) { duke@435: switch (t) { duke@435: case T_LONG: duke@435: case T_DOUBLE: duke@435: return double_size; duke@435: break; duke@435: duke@435: case T_FLOAT: duke@435: case T_BOOLEAN: duke@435: case T_CHAR: duke@435: case T_BYTE: duke@435: case T_SHORT: duke@435: case T_INT: duke@435: case T_OBJECT: duke@435: case T_ARRAY: duke@435: return single_size; duke@435: break; duke@435: duke@435: default: duke@435: ShouldNotReachHere(); never@739: return single_size; duke@435: } duke@435: } duke@435: duke@435: duke@435: void validate_type() const PRODUCT_RETURN; duke@435: duke@435: BasicType type() const { duke@435: if (is_pointer()) { duke@435: return pointer()->type(); duke@435: } duke@435: return as_BasicType(type_field()); duke@435: } duke@435: duke@435: duke@435: ValueType* value_type() const { return as_ValueType(type()); } duke@435: duke@435: char type_char() const { return type_char((is_pointer()) ? pointer()->type() : type()); } duke@435: duke@435: bool is_equal(LIR_Opr opr) const { return this == opr; } duke@435: // checks whether types are same duke@435: bool is_same_type(LIR_Opr opr) const { duke@435: assert(type_field() != unknown_type && duke@435: opr->type_field() != unknown_type, "shouldn't see unknown_type"); duke@435: return type_field() == opr->type_field(); duke@435: } duke@435: bool is_same_register(LIR_Opr opr) { duke@435: return (is_register() && opr->is_register() && duke@435: kind_field() == opr->kind_field() && duke@435: (value() & no_type_mask) == (opr->value() & no_type_mask)); duke@435: } duke@435: duke@435: bool is_pointer() const { return check_value_mask(pointer_mask, pointer_value); } duke@435: bool is_illegal() const { return kind_field() == illegal_value; } duke@435: bool is_valid() const { return kind_field() != illegal_value; } duke@435: duke@435: bool is_register() const { return is_cpu_register() || is_fpu_register(); } duke@435: bool is_virtual() const { return is_virtual_cpu() || is_virtual_fpu(); } duke@435: duke@435: bool is_constant() const { return is_pointer() && pointer()->as_constant() != NULL; } duke@435: bool is_address() const { return is_pointer() && pointer()->as_address() != NULL; } duke@435: duke@435: bool is_float_kind() const { return is_pointer() ? pointer()->is_float_kind() : (kind_field() == fpu_register); } duke@435: bool is_oop() const; duke@435: duke@435: // semantic for fpu- and xmm-registers: duke@435: // * is_float and is_double return true for xmm_registers duke@435: // (so is_single_fpu and is_single_xmm are true) duke@435: // * So you must always check for is_???_xmm prior to is_???_fpu to duke@435: // distinguish between fpu- and xmm-registers duke@435: duke@435: bool is_stack() const { validate_type(); return check_value_mask(kind_mask, stack_value); } duke@435: bool is_single_stack() const { validate_type(); return check_value_mask(kind_mask | size_mask, stack_value | single_size); } duke@435: bool is_double_stack() const { validate_type(); return check_value_mask(kind_mask | size_mask, stack_value | double_size); } duke@435: duke@435: bool is_cpu_register() const { validate_type(); return check_value_mask(kind_mask, cpu_register); } duke@435: bool is_virtual_cpu() const { validate_type(); return check_value_mask(kind_mask | virtual_mask, cpu_register | virtual_mask); } duke@435: bool is_fixed_cpu() const { validate_type(); return check_value_mask(kind_mask | virtual_mask, cpu_register); } duke@435: bool is_single_cpu() const { validate_type(); return check_value_mask(kind_mask | size_mask, cpu_register | single_size); } duke@435: bool is_double_cpu() const { validate_type(); return check_value_mask(kind_mask | size_mask, cpu_register | double_size); } duke@435: duke@435: bool is_fpu_register() const { validate_type(); return check_value_mask(kind_mask, fpu_register); } duke@435: bool is_virtual_fpu() const { validate_type(); return check_value_mask(kind_mask | virtual_mask, fpu_register | virtual_mask); } duke@435: bool is_fixed_fpu() const { validate_type(); return check_value_mask(kind_mask | virtual_mask, fpu_register); } duke@435: bool is_single_fpu() const { validate_type(); return check_value_mask(kind_mask | size_mask, fpu_register | single_size); } duke@435: bool is_double_fpu() const { validate_type(); return check_value_mask(kind_mask | size_mask, fpu_register | double_size); } duke@435: duke@435: bool is_xmm_register() const { validate_type(); return check_value_mask(kind_mask | is_xmm_mask, fpu_register | is_xmm_mask); } duke@435: 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: 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: duke@435: // fast accessor functions for special bits that do not work for pointers duke@435: // (in this functions, the check for is_pointer() is omitted) duke@435: bool is_single_word() const { assert(is_register() || is_stack(), "type check"); return check_value_mask(size_mask, single_size); } duke@435: bool is_double_word() const { assert(is_register() || is_stack(), "type check"); return check_value_mask(size_mask, double_size); } duke@435: bool is_virtual_register() const { assert(is_register(), "type check"); return check_value_mask(virtual_mask, virtual_mask); } duke@435: bool is_oop_register() const { assert(is_register() || is_stack(), "type check"); return type_field_valid() == object_type; } duke@435: BasicType type_register() const { assert(is_register() || is_stack(), "type check"); return as_BasicType(type_field_valid()); } duke@435: duke@435: bool is_last_use() const { assert(is_register(), "only works for registers"); return (value() & last_use_mask) != 0; } duke@435: bool is_fpu_stack_offset() const { assert(is_register(), "only works for registers"); return (value() & is_fpu_stack_offset_mask) != 0; } duke@435: LIR_Opr make_last_use() { assert(is_register(), "only works for registers"); return (LIR_Opr)(value() | last_use_mask); } duke@435: LIR_Opr make_fpu_stack_offset() { assert(is_register(), "only works for registers"); return (LIR_Opr)(value() | is_fpu_stack_offset_mask); } duke@435: duke@435: duke@435: int single_stack_ix() const { assert(is_single_stack() && !is_virtual(), "type check"); return (int)data(); } duke@435: int double_stack_ix() const { assert(is_double_stack() && !is_virtual(), "type check"); return (int)data(); } duke@435: RegNr cpu_regnr() const { assert(is_single_cpu() && !is_virtual(), "type check"); return (RegNr)data(); } duke@435: RegNr cpu_regnrLo() const { assert(is_double_cpu() && !is_virtual(), "type check"); return (RegNr)lo_reg_half(); } duke@435: RegNr cpu_regnrHi() const { assert(is_double_cpu() && !is_virtual(), "type check"); return (RegNr)hi_reg_half(); } duke@435: RegNr fpu_regnr() const { assert(is_single_fpu() && !is_virtual(), "type check"); return (RegNr)data(); } duke@435: RegNr fpu_regnrLo() const { assert(is_double_fpu() && !is_virtual(), "type check"); return (RegNr)lo_reg_half(); } duke@435: RegNr fpu_regnrHi() const { assert(is_double_fpu() && !is_virtual(), "type check"); return (RegNr)hi_reg_half(); } duke@435: RegNr xmm_regnr() const { assert(is_single_xmm() && !is_virtual(), "type check"); return (RegNr)data(); } duke@435: RegNr xmm_regnrLo() const { assert(is_double_xmm() && !is_virtual(), "type check"); return (RegNr)lo_reg_half(); } duke@435: RegNr xmm_regnrHi() const { assert(is_double_xmm() && !is_virtual(), "type check"); return (RegNr)hi_reg_half(); } duke@435: int vreg_number() const { assert(is_virtual(), "type check"); return (RegNr)data(); } duke@435: duke@435: LIR_OprPtr* pointer() const { assert(is_pointer(), "type check"); return (LIR_OprPtr*)this; } duke@435: LIR_Const* as_constant_ptr() const { return pointer()->as_constant(); } duke@435: LIR_Address* as_address_ptr() const { return pointer()->as_address(); } duke@435: duke@435: Register as_register() const; duke@435: Register as_register_lo() const; duke@435: Register as_register_hi() const; duke@435: duke@435: Register as_pointer_register() { duke@435: #ifdef _LP64 duke@435: if (is_double_cpu()) { duke@435: assert(as_register_lo() == as_register_hi(), "should be a single register"); duke@435: return as_register_lo(); duke@435: } duke@435: #endif duke@435: return as_register(); duke@435: } duke@435: never@739: #ifdef X86 duke@435: XMMRegister as_xmm_float_reg() const; duke@435: XMMRegister as_xmm_double_reg() const; duke@435: // for compatibility with RInfo duke@435: int fpu () const { return lo_reg_half(); } never@739: #endif // X86 bobv@2036: #if defined(SPARC) || defined(ARM) || defined(PPC) duke@435: FloatRegister as_float_reg () const; duke@435: FloatRegister as_double_reg () const; duke@435: #endif duke@435: duke@435: jint as_jint() const { return as_constant_ptr()->as_jint(); } duke@435: jlong as_jlong() const { return as_constant_ptr()->as_jlong(); } duke@435: jfloat as_jfloat() const { return as_constant_ptr()->as_jfloat(); } duke@435: jdouble as_jdouble() const { return as_constant_ptr()->as_jdouble(); } duke@435: jobject as_jobject() const { return as_constant_ptr()->as_jobject(); } duke@435: duke@435: void print() const PRODUCT_RETURN; duke@435: void print(outputStream* out) const PRODUCT_RETURN; duke@435: }; duke@435: duke@435: duke@435: inline LIR_OprDesc::OprType as_OprType(BasicType type) { duke@435: switch (type) { duke@435: case T_INT: return LIR_OprDesc::int_type; duke@435: case T_LONG: return LIR_OprDesc::long_type; duke@435: case T_FLOAT: return LIR_OprDesc::float_type; duke@435: case T_DOUBLE: return LIR_OprDesc::double_type; duke@435: case T_OBJECT: duke@435: case T_ARRAY: return LIR_OprDesc::object_type; duke@435: case T_ILLEGAL: // fall through duke@435: default: ShouldNotReachHere(); return LIR_OprDesc::unknown_type; duke@435: } duke@435: } duke@435: duke@435: inline BasicType as_BasicType(LIR_OprDesc::OprType t) { duke@435: switch (t) { duke@435: case LIR_OprDesc::int_type: return T_INT; duke@435: case LIR_OprDesc::long_type: return T_LONG; duke@435: case LIR_OprDesc::float_type: return T_FLOAT; duke@435: case LIR_OprDesc::double_type: return T_DOUBLE; duke@435: case LIR_OprDesc::object_type: return T_OBJECT; duke@435: case LIR_OprDesc::unknown_type: // fall through duke@435: default: ShouldNotReachHere(); return T_ILLEGAL; duke@435: } duke@435: } duke@435: duke@435: duke@435: // LIR_Address duke@435: class LIR_Address: public LIR_OprPtr { duke@435: friend class LIR_OpVisitState; duke@435: duke@435: public: duke@435: // NOTE: currently these must be the log2 of the scale factor (and duke@435: // must also be equivalent to the ScaleFactor enum in duke@435: // assembler_i486.hpp) duke@435: enum Scale { duke@435: times_1 = 0, duke@435: times_2 = 1, duke@435: times_4 = 2, duke@435: times_8 = 3 duke@435: }; duke@435: duke@435: private: duke@435: LIR_Opr _base; duke@435: LIR_Opr _index; duke@435: Scale _scale; duke@435: intx _disp; duke@435: BasicType _type; duke@435: duke@435: public: duke@435: LIR_Address(LIR_Opr base, LIR_Opr index, BasicType type): duke@435: _base(base) duke@435: , _index(index) duke@435: , _scale(times_1) duke@435: , _type(type) duke@435: , _disp(0) { verify(); } duke@435: iveresov@1927: LIR_Address(LIR_Opr base, intx disp, BasicType type): duke@435: _base(base) duke@435: , _index(LIR_OprDesc::illegalOpr()) duke@435: , _scale(times_1) duke@435: , _type(type) duke@435: , _disp(disp) { verify(); } duke@435: iveresov@1927: LIR_Address(LIR_Opr base, BasicType type): iveresov@1927: _base(base) iveresov@1927: , _index(LIR_OprDesc::illegalOpr()) iveresov@1927: , _scale(times_1) iveresov@1927: , _type(type) iveresov@1927: , _disp(0) { verify(); } iveresov@1927: bobv@2036: #if defined(X86) || defined(ARM) iveresov@1927: LIR_Address(LIR_Opr base, LIR_Opr index, Scale scale, intx disp, BasicType type): duke@435: _base(base) duke@435: , _index(index) duke@435: , _scale(scale) duke@435: , _type(type) duke@435: , _disp(disp) { verify(); } bobv@2036: #endif // X86 || ARM duke@435: duke@435: LIR_Opr base() const { return _base; } duke@435: LIR_Opr index() const { return _index; } duke@435: Scale scale() const { return _scale; } duke@435: intx disp() const { return _disp; } duke@435: duke@435: bool equals(LIR_Address* other) const { return base() == other->base() && index() == other->index() && disp() == other->disp() && scale() == other->scale(); } duke@435: duke@435: virtual LIR_Address* as_address() { return this; } duke@435: virtual BasicType type() const { return _type; } duke@435: virtual void print_value_on(outputStream* out) const PRODUCT_RETURN; duke@435: duke@435: void verify() const PRODUCT_RETURN; duke@435: duke@435: static Scale scale(BasicType type); duke@435: }; duke@435: duke@435: duke@435: // operand factory duke@435: class LIR_OprFact: public AllStatic { duke@435: public: duke@435: duke@435: static LIR_Opr illegalOpr; duke@435: never@739: 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: 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: static LIR_Opr double_cpu(int reg1, int reg2) { never@739: LP64_ONLY(assert(reg1 == reg2, "must be identical")); never@739: return (LIR_Opr)(intptr_t)((reg1 << LIR_OprDesc::reg1_shift) | never@739: (reg2 << LIR_OprDesc::reg2_shift) | never@739: LIR_OprDesc::long_type | never@739: LIR_OprDesc::cpu_register | never@739: LIR_OprDesc::double_size); never@739: } duke@435: never@739: static LIR_Opr single_fpu(int reg) { return (LIR_Opr)(intptr_t)((reg << LIR_OprDesc::reg1_shift) | never@739: LIR_OprDesc::float_type | never@739: LIR_OprDesc::fpu_register | never@739: LIR_OprDesc::single_size); } bobv@2036: #if defined(ARM) bobv@2036: static LIR_Opr double_fpu(int reg1, int reg2) { return (LIR_Opr)((reg1 << LIR_OprDesc::reg1_shift) | (reg2 << LIR_OprDesc::reg2_shift) | LIR_OprDesc::double_type | LIR_OprDesc::fpu_register | LIR_OprDesc::double_size); } bobv@2036: static LIR_Opr single_softfp(int reg) { return (LIR_Opr)((reg << LIR_OprDesc::reg1_shift) | LIR_OprDesc::float_type | LIR_OprDesc::cpu_register | LIR_OprDesc::single_size); } bobv@2036: static LIR_Opr double_softfp(int reg1, int reg2) { return (LIR_Opr)((reg1 << LIR_OprDesc::reg1_shift) | (reg2 << LIR_OprDesc::reg2_shift) | LIR_OprDesc::double_type | LIR_OprDesc::cpu_register | LIR_OprDesc::double_size); } bobv@2036: #endif duke@435: #ifdef SPARC never@739: static LIR_Opr double_fpu(int reg1, int reg2) { return (LIR_Opr)(intptr_t)((reg1 << LIR_OprDesc::reg1_shift) | never@739: (reg2 << LIR_OprDesc::reg2_shift) | never@739: LIR_OprDesc::double_type | never@739: LIR_OprDesc::fpu_register | never@739: LIR_OprDesc::double_size); } duke@435: #endif never@739: #ifdef X86 never@739: static LIR_Opr double_fpu(int reg) { return (LIR_Opr)(intptr_t)((reg << LIR_OprDesc::reg1_shift) | never@739: (reg << LIR_OprDesc::reg2_shift) | never@739: LIR_OprDesc::double_type | never@739: LIR_OprDesc::fpu_register | never@739: LIR_OprDesc::double_size); } never@739: never@739: static LIR_Opr single_xmm(int reg) { return (LIR_Opr)(intptr_t)((reg << LIR_OprDesc::reg1_shift) | never@739: LIR_OprDesc::float_type | never@739: LIR_OprDesc::fpu_register | never@739: LIR_OprDesc::single_size | never@739: LIR_OprDesc::is_xmm_mask); } never@739: static LIR_Opr double_xmm(int reg) { return (LIR_Opr)(intptr_t)((reg << LIR_OprDesc::reg1_shift) | never@739: (reg << LIR_OprDesc::reg2_shift) | never@739: LIR_OprDesc::double_type | never@739: LIR_OprDesc::fpu_register | never@739: LIR_OprDesc::double_size | never@739: LIR_OprDesc::is_xmm_mask); } never@739: #endif // X86 bobv@2036: #ifdef PPC bobv@2036: static LIR_Opr double_fpu(int reg) { return (LIR_Opr)(intptr_t)((reg << LIR_OprDesc::reg1_shift) | bobv@2036: (reg << LIR_OprDesc::reg2_shift) | bobv@2036: LIR_OprDesc::double_type | bobv@2036: LIR_OprDesc::fpu_register | bobv@2036: LIR_OprDesc::double_size); } bobv@2036: static LIR_Opr single_softfp(int reg) { return (LIR_Opr)((reg << LIR_OprDesc::reg1_shift) | bobv@2036: LIR_OprDesc::float_type | bobv@2036: LIR_OprDesc::cpu_register | bobv@2036: LIR_OprDesc::single_size); } bobv@2036: static LIR_Opr double_softfp(int reg1, int reg2) { return (LIR_Opr)((reg2 << LIR_OprDesc::reg1_shift) | bobv@2036: (reg1 << LIR_OprDesc::reg2_shift) | bobv@2036: LIR_OprDesc::double_type | bobv@2036: LIR_OprDesc::cpu_register | bobv@2036: LIR_OprDesc::double_size); } bobv@2036: #endif // PPC duke@435: duke@435: static LIR_Opr virtual_register(int index, BasicType type) { duke@435: LIR_Opr res; duke@435: switch (type) { duke@435: case T_OBJECT: // fall through never@739: case T_ARRAY: never@739: res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) | never@739: LIR_OprDesc::object_type | never@739: LIR_OprDesc::cpu_register | never@739: LIR_OprDesc::single_size | never@739: LIR_OprDesc::virtual_mask); never@739: break; never@739: never@739: case T_INT: never@739: res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) | never@739: LIR_OprDesc::int_type | never@739: LIR_OprDesc::cpu_register | never@739: LIR_OprDesc::single_size | never@739: LIR_OprDesc::virtual_mask); never@739: break; never@739: never@739: case T_LONG: never@739: res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) | never@739: LIR_OprDesc::long_type | never@739: LIR_OprDesc::cpu_register | never@739: LIR_OprDesc::double_size | never@739: LIR_OprDesc::virtual_mask); never@739: break; never@739: bobv@2036: #ifdef __SOFTFP__ bobv@2036: case T_FLOAT: bobv@2036: res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) | bobv@2036: LIR_OprDesc::float_type | bobv@2036: LIR_OprDesc::cpu_register | bobv@2036: LIR_OprDesc::single_size | bobv@2036: LIR_OprDesc::virtual_mask); bobv@2036: break; bobv@2036: case T_DOUBLE: bobv@2036: res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) | bobv@2036: LIR_OprDesc::double_type | bobv@2036: LIR_OprDesc::cpu_register | bobv@2036: LIR_OprDesc::double_size | bobv@2036: LIR_OprDesc::virtual_mask); bobv@2036: break; bobv@2036: #else // __SOFTFP__ never@739: case T_FLOAT: never@739: res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) | never@739: LIR_OprDesc::float_type | never@739: LIR_OprDesc::fpu_register | never@739: LIR_OprDesc::single_size | never@739: LIR_OprDesc::virtual_mask); never@739: break; never@739: never@739: case never@739: T_DOUBLE: res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) | never@739: LIR_OprDesc::double_type | never@739: LIR_OprDesc::fpu_register | never@739: LIR_OprDesc::double_size | never@739: LIR_OprDesc::virtual_mask); never@739: break; bobv@2036: #endif // __SOFTFP__ duke@435: default: ShouldNotReachHere(); res = illegalOpr; duke@435: } duke@435: duke@435: #ifdef ASSERT duke@435: res->validate_type(); duke@435: assert(res->vreg_number() == index, "conversion check"); duke@435: assert(index >= LIR_OprDesc::vreg_base, "must start at vreg_base"); duke@435: assert(index <= (max_jint >> LIR_OprDesc::data_shift), "index is too big"); duke@435: duke@435: // old-style calculation; check if old and new method are equal duke@435: LIR_OprDesc::OprType t = as_OprType(type); bobv@2036: #ifdef __SOFTFP__ bobv@2036: LIR_Opr old_res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) | bobv@2036: t | bobv@2036: LIR_OprDesc::cpu_register | bobv@2036: LIR_OprDesc::size_for(type) | LIR_OprDesc::virtual_mask); bobv@2036: #else // __SOFTFP__ never@739: LIR_Opr old_res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) | t | never@739: ((type == T_FLOAT || type == T_DOUBLE) ? LIR_OprDesc::fpu_register : LIR_OprDesc::cpu_register) | duke@435: LIR_OprDesc::size_for(type) | LIR_OprDesc::virtual_mask); duke@435: assert(res == old_res, "old and new method not equal"); bobv@2036: #endif // __SOFTFP__ bobv@2036: #endif // ASSERT duke@435: duke@435: return res; duke@435: } duke@435: duke@435: // 'index' is computed by FrameMap::local_stack_pos(index); do not use other parameters as duke@435: // the index is platform independent; a double stack useing indeces 2 and 3 has always duke@435: // index 2. duke@435: static LIR_Opr stack(int index, BasicType type) { duke@435: LIR_Opr res; duke@435: switch (type) { duke@435: case T_OBJECT: // fall through never@739: case T_ARRAY: never@739: res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) | never@739: LIR_OprDesc::object_type | never@739: LIR_OprDesc::stack_value | never@739: LIR_OprDesc::single_size); never@739: break; never@739: never@739: case T_INT: never@739: res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) | never@739: LIR_OprDesc::int_type | never@739: LIR_OprDesc::stack_value | never@739: LIR_OprDesc::single_size); never@739: break; never@739: never@739: case T_LONG: never@739: res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) | never@739: LIR_OprDesc::long_type | never@739: LIR_OprDesc::stack_value | never@739: LIR_OprDesc::double_size); never@739: break; never@739: never@739: case T_FLOAT: never@739: res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) | never@739: LIR_OprDesc::float_type | never@739: LIR_OprDesc::stack_value | never@739: LIR_OprDesc::single_size); never@739: break; never@739: case T_DOUBLE: never@739: res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) | never@739: LIR_OprDesc::double_type | never@739: LIR_OprDesc::stack_value | never@739: LIR_OprDesc::double_size); never@739: break; duke@435: duke@435: default: ShouldNotReachHere(); res = illegalOpr; duke@435: } duke@435: duke@435: #ifdef ASSERT duke@435: assert(index >= 0, "index must be positive"); duke@435: assert(index <= (max_jint >> LIR_OprDesc::data_shift), "index is too big"); duke@435: never@739: LIR_Opr old_res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) | never@739: LIR_OprDesc::stack_value | never@739: as_OprType(type) | never@739: LIR_OprDesc::size_for(type)); duke@435: assert(res == old_res, "old and new method not equal"); duke@435: #endif duke@435: duke@435: return res; duke@435: } duke@435: duke@435: static LIR_Opr intConst(jint i) { return (LIR_Opr)(new LIR_Const(i)); } duke@435: static LIR_Opr longConst(jlong l) { return (LIR_Opr)(new LIR_Const(l)); } duke@435: static LIR_Opr floatConst(jfloat f) { return (LIR_Opr)(new LIR_Const(f)); } duke@435: static LIR_Opr doubleConst(jdouble d) { return (LIR_Opr)(new LIR_Const(d)); } duke@435: static LIR_Opr oopConst(jobject o) { return (LIR_Opr)(new LIR_Const(o)); } duke@435: static LIR_Opr address(LIR_Address* a) { return (LIR_Opr)a; } duke@435: static LIR_Opr intptrConst(void* p) { return (LIR_Opr)(new LIR_Const(p)); } duke@435: static LIR_Opr intptrConst(intptr_t v) { return (LIR_Opr)(new LIR_Const((void*)v)); } duke@435: static LIR_Opr illegal() { return (LIR_Opr)-1; } roland@1732: static LIR_Opr addressConst(jint i) { return (LIR_Opr)(new LIR_Const(i, true)); } duke@435: duke@435: static LIR_Opr value_type(ValueType* type); duke@435: static LIR_Opr dummy_value_type(ValueType* type); duke@435: }; duke@435: duke@435: duke@435: //------------------------------------------------------------------------------- duke@435: // LIR Instructions duke@435: //------------------------------------------------------------------------------- duke@435: // duke@435: // Note: duke@435: // - every instruction has a result operand duke@435: // - every instruction has an CodeEmitInfo operand (can be revisited later) duke@435: // - every instruction has a LIR_OpCode operand duke@435: // - LIR_OpN, means an instruction that has N input operands duke@435: // duke@435: // class hierarchy: duke@435: // duke@435: class LIR_Op; duke@435: class LIR_Op0; duke@435: class LIR_OpLabel; duke@435: class LIR_Op1; duke@435: class LIR_OpBranch; duke@435: class LIR_OpConvert; duke@435: class LIR_OpAllocObj; duke@435: class LIR_OpRoundFP; duke@435: class LIR_Op2; duke@435: class LIR_OpDelay; duke@435: class LIR_Op3; duke@435: class LIR_OpAllocArray; duke@435: class LIR_OpCall; duke@435: class LIR_OpJavaCall; duke@435: class LIR_OpRTCall; duke@435: class LIR_OpArrayCopy; duke@435: class LIR_OpLock; duke@435: class LIR_OpTypeCheck; duke@435: class LIR_OpCompareAndSwap; duke@435: class LIR_OpProfileCall; duke@435: duke@435: duke@435: // LIR operation codes duke@435: enum LIR_Code { duke@435: lir_none duke@435: , begin_op0 duke@435: , lir_word_align duke@435: , lir_label duke@435: , lir_nop duke@435: , lir_backwardbranch_target duke@435: , lir_std_entry duke@435: , lir_osr_entry duke@435: , lir_build_frame duke@435: , lir_fpop_raw duke@435: , lir_24bit_FPU duke@435: , lir_reset_FPU duke@435: , lir_breakpoint duke@435: , lir_rtcall duke@435: , lir_membar duke@435: , lir_membar_acquire duke@435: , lir_membar_release duke@435: , lir_get_thread duke@435: , end_op0 duke@435: , begin_op1 duke@435: , lir_fxch duke@435: , lir_fld duke@435: , lir_ffree duke@435: , lir_push duke@435: , lir_pop duke@435: , lir_null_check duke@435: , lir_return duke@435: , lir_leal duke@435: , lir_neg duke@435: , lir_branch duke@435: , lir_cond_float_branch duke@435: , lir_move duke@435: , lir_prefetchr duke@435: , lir_prefetchw duke@435: , lir_convert duke@435: , lir_alloc_object duke@435: , lir_monaddr duke@435: , lir_roundfp duke@435: , lir_safepoint iveresov@2138: , lir_pack64 iveresov@2138: , lir_unpack64 never@1813: , lir_unwind duke@435: , end_op1 duke@435: , begin_op2 duke@435: , lir_cmp duke@435: , lir_cmp_l2i duke@435: , lir_ucmp_fd2i duke@435: , lir_cmp_fd2i duke@435: , lir_cmove duke@435: , lir_add duke@435: , lir_sub duke@435: , lir_mul duke@435: , lir_mul_strictfp duke@435: , lir_div duke@435: , lir_div_strictfp duke@435: , lir_rem duke@435: , lir_sqrt duke@435: , lir_abs duke@435: , lir_sin duke@435: , lir_cos duke@435: , lir_tan duke@435: , lir_log duke@435: , lir_log10 duke@435: , lir_logic_and duke@435: , lir_logic_or duke@435: , lir_logic_xor duke@435: , lir_shl duke@435: , lir_shr duke@435: , lir_ushr duke@435: , lir_alloc_array duke@435: , lir_throw duke@435: , lir_compare_to duke@435: , end_op2 duke@435: , begin_op3 duke@435: , lir_idiv duke@435: , lir_irem duke@435: , end_op3 duke@435: , begin_opJavaCall duke@435: , lir_static_call duke@435: , lir_optvirtual_call duke@435: , lir_icvirtual_call duke@435: , lir_virtual_call twisti@1730: , lir_dynamic_call duke@435: , end_opJavaCall duke@435: , begin_opArrayCopy duke@435: , lir_arraycopy duke@435: , end_opArrayCopy duke@435: , begin_opLock duke@435: , lir_lock duke@435: , lir_unlock duke@435: , end_opLock duke@435: , begin_delay_slot duke@435: , lir_delay_slot duke@435: , end_delay_slot duke@435: , begin_opTypeCheck duke@435: , lir_instanceof duke@435: , lir_checkcast duke@435: , lir_store_check duke@435: , end_opTypeCheck duke@435: , begin_opCompareAndSwap duke@435: , lir_cas_long duke@435: , lir_cas_obj duke@435: , lir_cas_int duke@435: , end_opCompareAndSwap duke@435: , begin_opMDOProfile duke@435: , lir_profile_call duke@435: , end_opMDOProfile duke@435: }; duke@435: duke@435: duke@435: enum LIR_Condition { duke@435: lir_cond_equal duke@435: , lir_cond_notEqual duke@435: , lir_cond_less duke@435: , lir_cond_lessEqual duke@435: , lir_cond_greaterEqual duke@435: , lir_cond_greater duke@435: , lir_cond_belowEqual duke@435: , lir_cond_aboveEqual duke@435: , lir_cond_always duke@435: , lir_cond_unknown = -1 duke@435: }; duke@435: duke@435: duke@435: enum LIR_PatchCode { duke@435: lir_patch_none, duke@435: lir_patch_low, duke@435: lir_patch_high, duke@435: lir_patch_normal duke@435: }; duke@435: duke@435: duke@435: enum LIR_MoveKind { duke@435: lir_move_normal, duke@435: lir_move_volatile, duke@435: lir_move_unaligned, duke@435: lir_move_max_flag duke@435: }; duke@435: duke@435: duke@435: // -------------------------------------------------- duke@435: // LIR_Op duke@435: // -------------------------------------------------- duke@435: class LIR_Op: public CompilationResourceObj { duke@435: friend class LIR_OpVisitState; duke@435: duke@435: #ifdef ASSERT duke@435: private: duke@435: const char * _file; duke@435: int _line; duke@435: #endif duke@435: duke@435: protected: duke@435: LIR_Opr _result; duke@435: unsigned short _code; duke@435: unsigned short _flags; duke@435: CodeEmitInfo* _info; duke@435: int _id; // value id for register allocation duke@435: int _fpu_pop_count; duke@435: Instruction* _source; // for debugging duke@435: duke@435: static void print_condition(outputStream* out, LIR_Condition cond) PRODUCT_RETURN; duke@435: duke@435: protected: duke@435: static bool is_in_range(LIR_Code test, LIR_Code start, LIR_Code end) { return start < test && test < end; } duke@435: duke@435: public: duke@435: LIR_Op() duke@435: : _result(LIR_OprFact::illegalOpr) duke@435: , _code(lir_none) duke@435: , _flags(0) duke@435: , _info(NULL) duke@435: #ifdef ASSERT duke@435: , _file(NULL) duke@435: , _line(0) duke@435: #endif duke@435: , _fpu_pop_count(0) duke@435: , _source(NULL) duke@435: , _id(-1) {} duke@435: duke@435: LIR_Op(LIR_Code code, LIR_Opr result, CodeEmitInfo* info) duke@435: : _result(result) duke@435: , _code(code) duke@435: , _flags(0) duke@435: , _info(info) duke@435: #ifdef ASSERT duke@435: , _file(NULL) duke@435: , _line(0) duke@435: #endif duke@435: , _fpu_pop_count(0) duke@435: , _source(NULL) duke@435: , _id(-1) {} duke@435: duke@435: CodeEmitInfo* info() const { return _info; } duke@435: LIR_Code code() const { return (LIR_Code)_code; } duke@435: LIR_Opr result_opr() const { return _result; } duke@435: void set_result_opr(LIR_Opr opr) { _result = opr; } duke@435: duke@435: #ifdef ASSERT duke@435: void set_file_and_line(const char * file, int line) { duke@435: _file = file; duke@435: _line = line; duke@435: } duke@435: #endif duke@435: duke@435: virtual const char * name() const PRODUCT_RETURN0; duke@435: duke@435: int id() const { return _id; } duke@435: void set_id(int id) { _id = id; } duke@435: duke@435: // FPU stack simulation helpers -- only used on Intel duke@435: 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: int fpu_pop_count() const { return _fpu_pop_count; } duke@435: bool pop_fpu_stack() { return _fpu_pop_count > 0; } duke@435: duke@435: Instruction* source() const { return _source; } duke@435: void set_source(Instruction* ins) { _source = ins; } duke@435: duke@435: virtual void emit_code(LIR_Assembler* masm) = 0; duke@435: virtual void print_instr(outputStream* out) const = 0; duke@435: virtual void print_on(outputStream* st) const PRODUCT_RETURN; duke@435: duke@435: virtual LIR_OpCall* as_OpCall() { return NULL; } duke@435: virtual LIR_OpJavaCall* as_OpJavaCall() { return NULL; } duke@435: virtual LIR_OpLabel* as_OpLabel() { return NULL; } duke@435: virtual LIR_OpDelay* as_OpDelay() { return NULL; } duke@435: virtual LIR_OpLock* as_OpLock() { return NULL; } duke@435: virtual LIR_OpAllocArray* as_OpAllocArray() { return NULL; } duke@435: virtual LIR_OpAllocObj* as_OpAllocObj() { return NULL; } duke@435: virtual LIR_OpRoundFP* as_OpRoundFP() { return NULL; } duke@435: virtual LIR_OpBranch* as_OpBranch() { return NULL; } duke@435: virtual LIR_OpRTCall* as_OpRTCall() { return NULL; } duke@435: virtual LIR_OpConvert* as_OpConvert() { return NULL; } duke@435: virtual LIR_Op0* as_Op0() { return NULL; } duke@435: virtual LIR_Op1* as_Op1() { return NULL; } duke@435: virtual LIR_Op2* as_Op2() { return NULL; } duke@435: virtual LIR_Op3* as_Op3() { return NULL; } duke@435: virtual LIR_OpArrayCopy* as_OpArrayCopy() { return NULL; } duke@435: virtual LIR_OpTypeCheck* as_OpTypeCheck() { return NULL; } duke@435: virtual LIR_OpCompareAndSwap* as_OpCompareAndSwap() { return NULL; } duke@435: virtual LIR_OpProfileCall* as_OpProfileCall() { return NULL; } duke@435: duke@435: virtual void verify() const {} duke@435: }; duke@435: duke@435: // for calls duke@435: class LIR_OpCall: public LIR_Op { duke@435: friend class LIR_OpVisitState; duke@435: duke@435: protected: duke@435: address _addr; duke@435: LIR_OprList* _arguments; duke@435: protected: duke@435: LIR_OpCall(LIR_Code code, address addr, LIR_Opr result, duke@435: LIR_OprList* arguments, CodeEmitInfo* info = NULL) duke@435: : LIR_Op(code, result, info) duke@435: , _arguments(arguments) duke@435: , _addr(addr) {} duke@435: duke@435: public: duke@435: address addr() const { return _addr; } duke@435: const LIR_OprList* arguments() const { return _arguments; } duke@435: virtual LIR_OpCall* as_OpCall() { return this; } duke@435: }; duke@435: duke@435: duke@435: // -------------------------------------------------- duke@435: // LIR_OpJavaCall duke@435: // -------------------------------------------------- duke@435: class LIR_OpJavaCall: public LIR_OpCall { duke@435: friend class LIR_OpVisitState; duke@435: duke@435: private: twisti@1919: ciMethod* _method; twisti@1919: LIR_Opr _receiver; twisti@1919: LIR_Opr _method_handle_invoke_SP_save_opr; // Used in LIR_OpVisitState::visit to store the reference to FrameMap::method_handle_invoke_SP_save_opr. duke@435: duke@435: public: duke@435: LIR_OpJavaCall(LIR_Code code, ciMethod* method, duke@435: LIR_Opr receiver, LIR_Opr result, duke@435: address addr, LIR_OprList* arguments, duke@435: CodeEmitInfo* info) duke@435: : LIR_OpCall(code, addr, result, arguments, info) duke@435: , _receiver(receiver) twisti@1919: , _method(method) twisti@1919: , _method_handle_invoke_SP_save_opr(LIR_OprFact::illegalOpr) twisti@1919: { assert(is_in_range(code, begin_opJavaCall, end_opJavaCall), "code check"); } duke@435: duke@435: LIR_OpJavaCall(LIR_Code code, ciMethod* method, duke@435: LIR_Opr receiver, LIR_Opr result, intptr_t vtable_offset, duke@435: LIR_OprList* arguments, CodeEmitInfo* info) duke@435: : LIR_OpCall(code, (address)vtable_offset, result, arguments, info) duke@435: , _receiver(receiver) twisti@1919: , _method(method) twisti@1919: , _method_handle_invoke_SP_save_opr(LIR_OprFact::illegalOpr) twisti@1919: { assert(is_in_range(code, begin_opJavaCall, end_opJavaCall), "code check"); } duke@435: duke@435: LIR_Opr receiver() const { return _receiver; } duke@435: ciMethod* method() const { return _method; } duke@435: twisti@1730: // JSR 292 support. twisti@1730: bool is_invokedynamic() const { return code() == lir_dynamic_call; } twisti@1730: bool is_method_handle_invoke() const { twisti@1730: return twisti@1730: is_invokedynamic() // An invokedynamic is always a MethodHandle call site. twisti@1730: || twisti@1730: (method()->holder()->name() == ciSymbol::java_dyn_MethodHandle() && jrose@1862: methodOopDesc::is_method_handle_invoke_name(method()->name()->sid())); twisti@1730: } twisti@1730: duke@435: intptr_t vtable_offset() const { duke@435: assert(_code == lir_virtual_call, "only have vtable for real vcall"); duke@435: return (intptr_t) addr(); duke@435: } duke@435: duke@435: virtual void emit_code(LIR_Assembler* masm); duke@435: virtual LIR_OpJavaCall* as_OpJavaCall() { return this; } duke@435: virtual void print_instr(outputStream* out) const PRODUCT_RETURN; duke@435: }; duke@435: duke@435: // -------------------------------------------------- duke@435: // LIR_OpLabel duke@435: // -------------------------------------------------- duke@435: // Location where a branch can continue duke@435: class LIR_OpLabel: public LIR_Op { duke@435: friend class LIR_OpVisitState; duke@435: duke@435: private: duke@435: Label* _label; duke@435: public: duke@435: LIR_OpLabel(Label* lbl) duke@435: : LIR_Op(lir_label, LIR_OprFact::illegalOpr, NULL) duke@435: , _label(lbl) {} duke@435: Label* label() const { return _label; } duke@435: duke@435: virtual void emit_code(LIR_Assembler* masm); duke@435: virtual LIR_OpLabel* as_OpLabel() { return this; } duke@435: virtual void print_instr(outputStream* out) const PRODUCT_RETURN; duke@435: }; duke@435: duke@435: // LIR_OpArrayCopy duke@435: class LIR_OpArrayCopy: public LIR_Op { duke@435: friend class LIR_OpVisitState; duke@435: duke@435: private: duke@435: ArrayCopyStub* _stub; duke@435: LIR_Opr _src; duke@435: LIR_Opr _src_pos; duke@435: LIR_Opr _dst; duke@435: LIR_Opr _dst_pos; duke@435: LIR_Opr _length; duke@435: LIR_Opr _tmp; duke@435: ciArrayKlass* _expected_type; duke@435: int _flags; duke@435: duke@435: public: duke@435: enum Flags { duke@435: src_null_check = 1 << 0, duke@435: dst_null_check = 1 << 1, duke@435: src_pos_positive_check = 1 << 2, duke@435: dst_pos_positive_check = 1 << 3, duke@435: length_positive_check = 1 << 4, duke@435: src_range_check = 1 << 5, duke@435: dst_range_check = 1 << 6, duke@435: type_check = 1 << 7, duke@435: all_flags = (1 << 8) - 1 duke@435: }; duke@435: duke@435: LIR_OpArrayCopy(LIR_Opr src, LIR_Opr src_pos, LIR_Opr dst, LIR_Opr dst_pos, LIR_Opr length, LIR_Opr tmp, duke@435: ciArrayKlass* expected_type, int flags, CodeEmitInfo* info); duke@435: duke@435: LIR_Opr src() const { return _src; } duke@435: LIR_Opr src_pos() const { return _src_pos; } duke@435: LIR_Opr dst() const { return _dst; } duke@435: LIR_Opr dst_pos() const { return _dst_pos; } duke@435: LIR_Opr length() const { return _length; } duke@435: LIR_Opr tmp() const { return _tmp; } duke@435: int flags() const { return _flags; } duke@435: ciArrayKlass* expected_type() const { return _expected_type; } duke@435: ArrayCopyStub* stub() const { return _stub; } duke@435: duke@435: virtual void emit_code(LIR_Assembler* masm); duke@435: virtual LIR_OpArrayCopy* as_OpArrayCopy() { return this; } duke@435: void print_instr(outputStream* out) const PRODUCT_RETURN; duke@435: }; duke@435: duke@435: duke@435: // -------------------------------------------------- duke@435: // LIR_Op0 duke@435: // -------------------------------------------------- duke@435: class LIR_Op0: public LIR_Op { duke@435: friend class LIR_OpVisitState; duke@435: duke@435: public: duke@435: LIR_Op0(LIR_Code code) duke@435: : LIR_Op(code, LIR_OprFact::illegalOpr, NULL) { assert(is_in_range(code, begin_op0, end_op0), "code check"); } duke@435: LIR_Op0(LIR_Code code, LIR_Opr result, CodeEmitInfo* info = NULL) duke@435: : LIR_Op(code, result, info) { assert(is_in_range(code, begin_op0, end_op0), "code check"); } duke@435: duke@435: virtual void emit_code(LIR_Assembler* masm); duke@435: virtual LIR_Op0* as_Op0() { return this; } duke@435: virtual void print_instr(outputStream* out) const PRODUCT_RETURN; duke@435: }; duke@435: duke@435: duke@435: // -------------------------------------------------- duke@435: // LIR_Op1 duke@435: // -------------------------------------------------- duke@435: duke@435: class LIR_Op1: public LIR_Op { duke@435: friend class LIR_OpVisitState; duke@435: duke@435: protected: duke@435: LIR_Opr _opr; // input operand duke@435: BasicType _type; // Operand types duke@435: LIR_PatchCode _patch; // only required with patchin (NEEDS_CLEANUP: do we want a special instruction for patching?) duke@435: duke@435: static void print_patch_code(outputStream* out, LIR_PatchCode code); duke@435: duke@435: void set_kind(LIR_MoveKind kind) { duke@435: assert(code() == lir_move, "must be"); duke@435: _flags = kind; duke@435: } duke@435: duke@435: public: duke@435: 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: : LIR_Op(code, result, info) duke@435: , _opr(opr) duke@435: , _patch(patch) duke@435: , _type(type) { assert(is_in_range(code, begin_op1, end_op1), "code check"); } duke@435: duke@435: LIR_Op1(LIR_Code code, LIR_Opr opr, LIR_Opr result, BasicType type, LIR_PatchCode patch, CodeEmitInfo* info, LIR_MoveKind kind) duke@435: : LIR_Op(code, result, info) duke@435: , _opr(opr) duke@435: , _patch(patch) duke@435: , _type(type) { duke@435: assert(code == lir_move, "must be"); duke@435: set_kind(kind); duke@435: } duke@435: duke@435: LIR_Op1(LIR_Code code, LIR_Opr opr, CodeEmitInfo* info) duke@435: : LIR_Op(code, LIR_OprFact::illegalOpr, info) duke@435: , _opr(opr) duke@435: , _patch(lir_patch_none) duke@435: , _type(T_ILLEGAL) { assert(is_in_range(code, begin_op1, end_op1), "code check"); } duke@435: duke@435: LIR_Opr in_opr() const { return _opr; } duke@435: LIR_PatchCode patch_code() const { return _patch; } duke@435: BasicType type() const { return _type; } duke@435: duke@435: LIR_MoveKind move_kind() const { duke@435: assert(code() == lir_move, "must be"); duke@435: return (LIR_MoveKind)_flags; duke@435: } duke@435: duke@435: virtual void emit_code(LIR_Assembler* masm); duke@435: virtual LIR_Op1* as_Op1() { return this; } duke@435: virtual const char * name() const PRODUCT_RETURN0; duke@435: duke@435: void set_in_opr(LIR_Opr opr) { _opr = opr; } duke@435: duke@435: virtual void print_instr(outputStream* out) const PRODUCT_RETURN; duke@435: virtual void verify() const; duke@435: }; duke@435: duke@435: duke@435: // for runtime calls duke@435: class LIR_OpRTCall: public LIR_OpCall { duke@435: friend class LIR_OpVisitState; duke@435: duke@435: private: duke@435: LIR_Opr _tmp; duke@435: public: duke@435: LIR_OpRTCall(address addr, LIR_Opr tmp, duke@435: LIR_Opr result, LIR_OprList* arguments, CodeEmitInfo* info = NULL) duke@435: : LIR_OpCall(lir_rtcall, addr, result, arguments, info) duke@435: , _tmp(tmp) {} duke@435: duke@435: virtual void print_instr(outputStream* out) const PRODUCT_RETURN; duke@435: virtual void emit_code(LIR_Assembler* masm); duke@435: virtual LIR_OpRTCall* as_OpRTCall() { return this; } duke@435: duke@435: LIR_Opr tmp() const { return _tmp; } duke@435: duke@435: virtual void verify() const; duke@435: }; duke@435: duke@435: duke@435: class LIR_OpBranch: public LIR_Op { duke@435: friend class LIR_OpVisitState; duke@435: duke@435: private: duke@435: LIR_Condition _cond; duke@435: BasicType _type; duke@435: Label* _label; duke@435: BlockBegin* _block; // if this is a branch to a block, this is the block duke@435: BlockBegin* _ublock; // if this is a float-branch, this is the unorderd block duke@435: CodeStub* _stub; // if this is a branch to a stub, this is the stub duke@435: duke@435: public: duke@435: LIR_OpBranch(LIR_Condition cond, Label* lbl) duke@435: : LIR_Op(lir_branch, LIR_OprFact::illegalOpr, (CodeEmitInfo*) NULL) duke@435: , _cond(cond) duke@435: , _label(lbl) duke@435: , _block(NULL) duke@435: , _ublock(NULL) duke@435: , _stub(NULL) { } duke@435: duke@435: LIR_OpBranch(LIR_Condition cond, BasicType type, BlockBegin* block); duke@435: LIR_OpBranch(LIR_Condition cond, BasicType type, CodeStub* stub); duke@435: duke@435: // for unordered comparisons duke@435: LIR_OpBranch(LIR_Condition cond, BasicType type, BlockBegin* block, BlockBegin* ublock); duke@435: duke@435: LIR_Condition cond() const { return _cond; } duke@435: BasicType type() const { return _type; } duke@435: Label* label() const { return _label; } duke@435: BlockBegin* block() const { return _block; } duke@435: BlockBegin* ublock() const { return _ublock; } duke@435: CodeStub* stub() const { return _stub; } duke@435: duke@435: void change_block(BlockBegin* b); duke@435: void change_ublock(BlockBegin* b); duke@435: void negate_cond(); duke@435: duke@435: virtual void emit_code(LIR_Assembler* masm); duke@435: virtual LIR_OpBranch* as_OpBranch() { return this; } duke@435: virtual void print_instr(outputStream* out) const PRODUCT_RETURN; duke@435: }; duke@435: duke@435: duke@435: class ConversionStub; duke@435: duke@435: class LIR_OpConvert: public LIR_Op1 { duke@435: friend class LIR_OpVisitState; duke@435: duke@435: private: duke@435: Bytecodes::Code _bytecode; duke@435: ConversionStub* _stub; bobv@2036: #ifdef PPC bobv@2036: LIR_Opr _tmp1; bobv@2036: LIR_Opr _tmp2; bobv@2036: #endif duke@435: duke@435: public: duke@435: LIR_OpConvert(Bytecodes::Code code, LIR_Opr opr, LIR_Opr result, ConversionStub* stub) duke@435: : LIR_Op1(lir_convert, opr, result) duke@435: , _stub(stub) bobv@2036: #ifdef PPC bobv@2036: , _tmp1(LIR_OprDesc::illegalOpr()) bobv@2036: , _tmp2(LIR_OprDesc::illegalOpr()) bobv@2036: #endif duke@435: , _bytecode(code) {} duke@435: bobv@2036: #ifdef PPC bobv@2036: LIR_OpConvert(Bytecodes::Code code, LIR_Opr opr, LIR_Opr result, ConversionStub* stub bobv@2036: ,LIR_Opr tmp1, LIR_Opr tmp2) bobv@2036: : LIR_Op1(lir_convert, opr, result) bobv@2036: , _stub(stub) bobv@2036: , _tmp1(tmp1) bobv@2036: , _tmp2(tmp2) bobv@2036: , _bytecode(code) {} bobv@2036: #endif bobv@2036: duke@435: Bytecodes::Code bytecode() const { return _bytecode; } duke@435: ConversionStub* stub() const { return _stub; } bobv@2036: #ifdef PPC bobv@2036: LIR_Opr tmp1() const { return _tmp1; } bobv@2036: LIR_Opr tmp2() const { return _tmp2; } bobv@2036: #endif duke@435: duke@435: virtual void emit_code(LIR_Assembler* masm); duke@435: virtual LIR_OpConvert* as_OpConvert() { return this; } duke@435: virtual void print_instr(outputStream* out) const PRODUCT_RETURN; duke@435: duke@435: static void print_bytecode(outputStream* out, Bytecodes::Code code) PRODUCT_RETURN; duke@435: }; duke@435: duke@435: duke@435: // LIR_OpAllocObj duke@435: class LIR_OpAllocObj : public LIR_Op1 { duke@435: friend class LIR_OpVisitState; duke@435: duke@435: private: duke@435: LIR_Opr _tmp1; duke@435: LIR_Opr _tmp2; duke@435: LIR_Opr _tmp3; duke@435: LIR_Opr _tmp4; duke@435: int _hdr_size; duke@435: int _obj_size; duke@435: CodeStub* _stub; duke@435: bool _init_check; duke@435: duke@435: public: duke@435: LIR_OpAllocObj(LIR_Opr klass, LIR_Opr result, duke@435: LIR_Opr t1, LIR_Opr t2, LIR_Opr t3, LIR_Opr t4, duke@435: int hdr_size, int obj_size, bool init_check, CodeStub* stub) duke@435: : LIR_Op1(lir_alloc_object, klass, result) duke@435: , _tmp1(t1) duke@435: , _tmp2(t2) duke@435: , _tmp3(t3) duke@435: , _tmp4(t4) duke@435: , _hdr_size(hdr_size) duke@435: , _obj_size(obj_size) duke@435: , _init_check(init_check) duke@435: , _stub(stub) { } duke@435: duke@435: LIR_Opr klass() const { return in_opr(); } duke@435: LIR_Opr obj() const { return result_opr(); } duke@435: LIR_Opr tmp1() const { return _tmp1; } duke@435: LIR_Opr tmp2() const { return _tmp2; } duke@435: LIR_Opr tmp3() const { return _tmp3; } duke@435: LIR_Opr tmp4() const { return _tmp4; } duke@435: int header_size() const { return _hdr_size; } duke@435: int object_size() const { return _obj_size; } duke@435: bool init_check() const { return _init_check; } duke@435: CodeStub* stub() const { return _stub; } duke@435: duke@435: virtual void emit_code(LIR_Assembler* masm); duke@435: virtual LIR_OpAllocObj * as_OpAllocObj () { return this; } duke@435: virtual void print_instr(outputStream* out) const PRODUCT_RETURN; duke@435: }; duke@435: duke@435: duke@435: // LIR_OpRoundFP duke@435: class LIR_OpRoundFP : public LIR_Op1 { duke@435: friend class LIR_OpVisitState; duke@435: duke@435: private: duke@435: LIR_Opr _tmp; duke@435: duke@435: public: duke@435: LIR_OpRoundFP(LIR_Opr reg, LIR_Opr stack_loc_temp, LIR_Opr result) duke@435: : LIR_Op1(lir_roundfp, reg, result) duke@435: , _tmp(stack_loc_temp) {} duke@435: duke@435: LIR_Opr tmp() const { return _tmp; } duke@435: virtual LIR_OpRoundFP* as_OpRoundFP() { return this; } duke@435: void print_instr(outputStream* out) const PRODUCT_RETURN; duke@435: }; duke@435: duke@435: // LIR_OpTypeCheck duke@435: class LIR_OpTypeCheck: public LIR_Op { duke@435: friend class LIR_OpVisitState; duke@435: duke@435: private: duke@435: LIR_Opr _object; duke@435: LIR_Opr _array; duke@435: ciKlass* _klass; duke@435: LIR_Opr _tmp1; duke@435: LIR_Opr _tmp2; duke@435: LIR_Opr _tmp3; duke@435: bool _fast_check; duke@435: CodeEmitInfo* _info_for_patch; duke@435: CodeEmitInfo* _info_for_exception; duke@435: CodeStub* _stub; duke@435: ciMethod* _profiled_method; duke@435: int _profiled_bci; iveresov@2138: bool _should_profile; duke@435: duke@435: public: duke@435: LIR_OpTypeCheck(LIR_Code code, LIR_Opr result, LIR_Opr object, ciKlass* klass, duke@435: LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, bool fast_check, iveresov@2138: CodeEmitInfo* info_for_exception, CodeEmitInfo* info_for_patch, CodeStub* stub); duke@435: LIR_OpTypeCheck(LIR_Code code, LIR_Opr object, LIR_Opr array, iveresov@2138: LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, CodeEmitInfo* info_for_exception); duke@435: duke@435: LIR_Opr object() const { return _object; } duke@435: LIR_Opr array() const { assert(code() == lir_store_check, "not valid"); return _array; } duke@435: LIR_Opr tmp1() const { return _tmp1; } duke@435: LIR_Opr tmp2() const { return _tmp2; } duke@435: LIR_Opr tmp3() const { return _tmp3; } duke@435: ciKlass* klass() const { assert(code() == lir_instanceof || code() == lir_checkcast, "not valid"); return _klass; } duke@435: bool fast_check() const { assert(code() == lir_instanceof || code() == lir_checkcast, "not valid"); return _fast_check; } duke@435: CodeEmitInfo* info_for_patch() const { return _info_for_patch; } duke@435: CodeEmitInfo* info_for_exception() const { return _info_for_exception; } duke@435: CodeStub* stub() const { return _stub; } duke@435: duke@435: // methodDataOop profiling iveresov@2138: void set_profiled_method(ciMethod *method) { _profiled_method = method; } iveresov@2138: void set_profiled_bci(int bci) { _profiled_bci = bci; } iveresov@2138: void set_should_profile(bool b) { _should_profile = b; } iveresov@2138: ciMethod* profiled_method() const { return _profiled_method; } iveresov@2138: int profiled_bci() const { return _profiled_bci; } iveresov@2138: bool should_profile() const { return _should_profile; } duke@435: duke@435: virtual void emit_code(LIR_Assembler* masm); duke@435: virtual LIR_OpTypeCheck* as_OpTypeCheck() { return this; } duke@435: void print_instr(outputStream* out) const PRODUCT_RETURN; duke@435: }; duke@435: duke@435: // LIR_Op2 duke@435: class LIR_Op2: public LIR_Op { duke@435: friend class LIR_OpVisitState; duke@435: duke@435: int _fpu_stack_size; // for sin/cos implementation on Intel duke@435: duke@435: protected: duke@435: LIR_Opr _opr1; duke@435: LIR_Opr _opr2; duke@435: BasicType _type; duke@435: LIR_Opr _tmp; duke@435: LIR_Condition _condition; duke@435: duke@435: void verify() const; duke@435: duke@435: public: duke@435: LIR_Op2(LIR_Code code, LIR_Condition condition, LIR_Opr opr1, LIR_Opr opr2, CodeEmitInfo* info = NULL) duke@435: : LIR_Op(code, LIR_OprFact::illegalOpr, info) duke@435: , _opr1(opr1) duke@435: , _opr2(opr2) duke@435: , _type(T_ILLEGAL) duke@435: , _condition(condition) duke@435: , _fpu_stack_size(0) duke@435: , _tmp(LIR_OprFact::illegalOpr) { duke@435: assert(code == lir_cmp, "code check"); duke@435: } duke@435: duke@435: LIR_Op2(LIR_Code code, LIR_Condition condition, LIR_Opr opr1, LIR_Opr opr2, LIR_Opr result) duke@435: : LIR_Op(code, result, NULL) duke@435: , _opr1(opr1) duke@435: , _opr2(opr2) duke@435: , _type(T_ILLEGAL) duke@435: , _condition(condition) duke@435: , _fpu_stack_size(0) duke@435: , _tmp(LIR_OprFact::illegalOpr) { duke@435: assert(code == lir_cmove, "code check"); duke@435: } duke@435: duke@435: LIR_Op2(LIR_Code code, LIR_Opr opr1, LIR_Opr opr2, LIR_Opr result = LIR_OprFact::illegalOpr, duke@435: CodeEmitInfo* info = NULL, BasicType type = T_ILLEGAL) duke@435: : LIR_Op(code, result, info) duke@435: , _opr1(opr1) duke@435: , _opr2(opr2) duke@435: , _type(type) duke@435: , _condition(lir_cond_unknown) duke@435: , _fpu_stack_size(0) duke@435: , _tmp(LIR_OprFact::illegalOpr) { duke@435: assert(code != lir_cmp && is_in_range(code, begin_op2, end_op2), "code check"); duke@435: } duke@435: duke@435: LIR_Op2(LIR_Code code, LIR_Opr opr1, LIR_Opr opr2, LIR_Opr result, LIR_Opr tmp) duke@435: : LIR_Op(code, result, NULL) duke@435: , _opr1(opr1) duke@435: , _opr2(opr2) duke@435: , _type(T_ILLEGAL) duke@435: , _condition(lir_cond_unknown) duke@435: , _fpu_stack_size(0) duke@435: , _tmp(tmp) { duke@435: assert(code != lir_cmp && is_in_range(code, begin_op2, end_op2), "code check"); duke@435: } duke@435: duke@435: LIR_Opr in_opr1() const { return _opr1; } duke@435: LIR_Opr in_opr2() const { return _opr2; } duke@435: BasicType type() const { return _type; } duke@435: LIR_Opr tmp_opr() const { return _tmp; } duke@435: LIR_Condition condition() const { duke@435: assert(code() == lir_cmp || code() == lir_cmove, "only valid for cmp and cmove"); return _condition; duke@435: } bobv@2036: void set_condition(LIR_Condition condition) { bobv@2036: assert(code() == lir_cmp || code() == lir_cmove, "only valid for cmp and cmove"); _condition = condition; bobv@2036: } duke@435: duke@435: void set_fpu_stack_size(int size) { _fpu_stack_size = size; } duke@435: int fpu_stack_size() const { return _fpu_stack_size; } duke@435: duke@435: void set_in_opr1(LIR_Opr opr) { _opr1 = opr; } duke@435: void set_in_opr2(LIR_Opr opr) { _opr2 = opr; } duke@435: duke@435: virtual void emit_code(LIR_Assembler* masm); duke@435: virtual LIR_Op2* as_Op2() { return this; } duke@435: virtual void print_instr(outputStream* out) const PRODUCT_RETURN; duke@435: }; duke@435: duke@435: class LIR_OpAllocArray : public LIR_Op { duke@435: friend class LIR_OpVisitState; duke@435: duke@435: private: duke@435: LIR_Opr _klass; duke@435: LIR_Opr _len; duke@435: LIR_Opr _tmp1; duke@435: LIR_Opr _tmp2; duke@435: LIR_Opr _tmp3; duke@435: LIR_Opr _tmp4; duke@435: BasicType _type; duke@435: CodeStub* _stub; duke@435: duke@435: public: duke@435: 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: : LIR_Op(lir_alloc_array, result, NULL) duke@435: , _klass(klass) duke@435: , _len(len) duke@435: , _tmp1(t1) duke@435: , _tmp2(t2) duke@435: , _tmp3(t3) duke@435: , _tmp4(t4) duke@435: , _type(type) duke@435: , _stub(stub) {} duke@435: duke@435: LIR_Opr klass() const { return _klass; } duke@435: LIR_Opr len() const { return _len; } duke@435: LIR_Opr obj() const { return result_opr(); } duke@435: LIR_Opr tmp1() const { return _tmp1; } duke@435: LIR_Opr tmp2() const { return _tmp2; } duke@435: LIR_Opr tmp3() const { return _tmp3; } duke@435: LIR_Opr tmp4() const { return _tmp4; } duke@435: BasicType type() const { return _type; } duke@435: CodeStub* stub() const { return _stub; } duke@435: duke@435: virtual void emit_code(LIR_Assembler* masm); duke@435: virtual LIR_OpAllocArray * as_OpAllocArray () { return this; } duke@435: virtual void print_instr(outputStream* out) const PRODUCT_RETURN; duke@435: }; duke@435: duke@435: duke@435: class LIR_Op3: public LIR_Op { duke@435: friend class LIR_OpVisitState; duke@435: duke@435: private: duke@435: LIR_Opr _opr1; duke@435: LIR_Opr _opr2; duke@435: LIR_Opr _opr3; duke@435: public: duke@435: LIR_Op3(LIR_Code code, LIR_Opr opr1, LIR_Opr opr2, LIR_Opr opr3, LIR_Opr result, CodeEmitInfo* info = NULL) duke@435: : LIR_Op(code, result, info) duke@435: , _opr1(opr1) duke@435: , _opr2(opr2) duke@435: , _opr3(opr3) { assert(is_in_range(code, begin_op3, end_op3), "code check"); } duke@435: LIR_Opr in_opr1() const { return _opr1; } duke@435: LIR_Opr in_opr2() const { return _opr2; } duke@435: LIR_Opr in_opr3() const { return _opr3; } duke@435: duke@435: virtual void emit_code(LIR_Assembler* masm); duke@435: virtual LIR_Op3* as_Op3() { return this; } duke@435: virtual void print_instr(outputStream* out) const PRODUCT_RETURN; duke@435: }; duke@435: duke@435: duke@435: //-------------------------------- duke@435: class LabelObj: public CompilationResourceObj { duke@435: private: duke@435: Label _label; duke@435: public: duke@435: LabelObj() {} duke@435: Label* label() { return &_label; } duke@435: }; duke@435: duke@435: duke@435: class LIR_OpLock: public LIR_Op { duke@435: friend class LIR_OpVisitState; duke@435: duke@435: private: duke@435: LIR_Opr _hdr; duke@435: LIR_Opr _obj; duke@435: LIR_Opr _lock; duke@435: LIR_Opr _scratch; duke@435: CodeStub* _stub; duke@435: public: duke@435: LIR_OpLock(LIR_Code code, LIR_Opr hdr, LIR_Opr obj, LIR_Opr lock, LIR_Opr scratch, CodeStub* stub, CodeEmitInfo* info) duke@435: : LIR_Op(code, LIR_OprFact::illegalOpr, info) duke@435: , _hdr(hdr) duke@435: , _obj(obj) duke@435: , _lock(lock) duke@435: , _scratch(scratch) duke@435: , _stub(stub) {} duke@435: duke@435: LIR_Opr hdr_opr() const { return _hdr; } duke@435: LIR_Opr obj_opr() const { return _obj; } duke@435: LIR_Opr lock_opr() const { return _lock; } duke@435: LIR_Opr scratch_opr() const { return _scratch; } duke@435: CodeStub* stub() const { return _stub; } duke@435: duke@435: virtual void emit_code(LIR_Assembler* masm); duke@435: virtual LIR_OpLock* as_OpLock() { return this; } duke@435: void print_instr(outputStream* out) const PRODUCT_RETURN; duke@435: }; duke@435: duke@435: duke@435: class LIR_OpDelay: public LIR_Op { duke@435: friend class LIR_OpVisitState; duke@435: duke@435: private: duke@435: LIR_Op* _op; duke@435: duke@435: public: duke@435: LIR_OpDelay(LIR_Op* op, CodeEmitInfo* info): duke@435: LIR_Op(lir_delay_slot, LIR_OprFact::illegalOpr, info), duke@435: _op(op) { duke@435: assert(op->code() == lir_nop || LIRFillDelaySlots, "should be filling with nops"); duke@435: } duke@435: virtual void emit_code(LIR_Assembler* masm); duke@435: virtual LIR_OpDelay* as_OpDelay() { return this; } duke@435: void print_instr(outputStream* out) const PRODUCT_RETURN; duke@435: LIR_Op* delay_op() const { return _op; } duke@435: CodeEmitInfo* call_info() const { return info(); } duke@435: }; duke@435: duke@435: duke@435: // LIR_OpCompareAndSwap duke@435: class LIR_OpCompareAndSwap : public LIR_Op { duke@435: friend class LIR_OpVisitState; duke@435: duke@435: private: duke@435: LIR_Opr _addr; duke@435: LIR_Opr _cmp_value; duke@435: LIR_Opr _new_value; duke@435: LIR_Opr _tmp1; duke@435: LIR_Opr _tmp2; duke@435: duke@435: public: bobv@2036: LIR_OpCompareAndSwap(LIR_Code code, LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value, bobv@2036: LIR_Opr t1, LIR_Opr t2, LIR_Opr result) bobv@2036: : LIR_Op(code, result, NULL) // no result, no info duke@435: , _addr(addr) duke@435: , _cmp_value(cmp_value) duke@435: , _new_value(new_value) duke@435: , _tmp1(t1) duke@435: , _tmp2(t2) { } duke@435: duke@435: LIR_Opr addr() const { return _addr; } duke@435: LIR_Opr cmp_value() const { return _cmp_value; } duke@435: LIR_Opr new_value() const { return _new_value; } duke@435: LIR_Opr tmp1() const { return _tmp1; } duke@435: LIR_Opr tmp2() const { return _tmp2; } duke@435: duke@435: virtual void emit_code(LIR_Assembler* masm); duke@435: virtual LIR_OpCompareAndSwap * as_OpCompareAndSwap () { return this; } duke@435: virtual void print_instr(outputStream* out) const PRODUCT_RETURN; duke@435: }; duke@435: duke@435: // LIR_OpProfileCall duke@435: class LIR_OpProfileCall : public LIR_Op { duke@435: friend class LIR_OpVisitState; duke@435: duke@435: private: duke@435: ciMethod* _profiled_method; duke@435: int _profiled_bci; duke@435: LIR_Opr _mdo; duke@435: LIR_Opr _recv; duke@435: LIR_Opr _tmp1; duke@435: ciKlass* _known_holder; duke@435: duke@435: public: duke@435: // Destroys recv duke@435: 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: : LIR_Op(code, LIR_OprFact::illegalOpr, NULL) // no result, no info duke@435: , _profiled_method(profiled_method) duke@435: , _profiled_bci(profiled_bci) duke@435: , _mdo(mdo) duke@435: , _recv(recv) duke@435: , _tmp1(t1) duke@435: , _known_holder(known_holder) { } duke@435: duke@435: ciMethod* profiled_method() const { return _profiled_method; } duke@435: int profiled_bci() const { return _profiled_bci; } duke@435: LIR_Opr mdo() const { return _mdo; } duke@435: LIR_Opr recv() const { return _recv; } duke@435: LIR_Opr tmp1() const { return _tmp1; } duke@435: ciKlass* known_holder() const { return _known_holder; } duke@435: duke@435: virtual void emit_code(LIR_Assembler* masm); duke@435: virtual LIR_OpProfileCall* as_OpProfileCall() { return this; } duke@435: virtual void print_instr(outputStream* out) const PRODUCT_RETURN; duke@435: }; duke@435: duke@435: class LIR_InsertionBuffer; duke@435: duke@435: //--------------------------------LIR_List--------------------------------------------------- duke@435: // Maintains a list of LIR instructions (one instance of LIR_List per basic block) duke@435: // The LIR instructions are appended by the LIR_List class itself; duke@435: // duke@435: // Notes: duke@435: // - all offsets are(should be) in bytes duke@435: // - local positions are specified with an offset, with offset 0 being local 0 duke@435: duke@435: class LIR_List: public CompilationResourceObj { duke@435: private: duke@435: LIR_OpList _operations; duke@435: duke@435: Compilation* _compilation; duke@435: #ifndef PRODUCT duke@435: BlockBegin* _block; duke@435: #endif duke@435: #ifdef ASSERT duke@435: const char * _file; duke@435: int _line; duke@435: #endif duke@435: duke@435: void append(LIR_Op* op) { duke@435: if (op->source() == NULL) duke@435: op->set_source(_compilation->current_instruction()); duke@435: #ifndef PRODUCT duke@435: if (PrintIRWithLIR) { duke@435: _compilation->maybe_print_current_instruction(); duke@435: op->print(); tty->cr(); duke@435: } duke@435: #endif // PRODUCT duke@435: duke@435: _operations.append(op); duke@435: duke@435: #ifdef ASSERT duke@435: op->verify(); duke@435: op->set_file_and_line(_file, _line); duke@435: _file = NULL; duke@435: _line = 0; duke@435: #endif duke@435: } duke@435: duke@435: public: duke@435: LIR_List(Compilation* compilation, BlockBegin* block = NULL); duke@435: duke@435: #ifdef ASSERT duke@435: void set_file_and_line(const char * file, int line); duke@435: #endif duke@435: duke@435: //---------- accessors --------------- duke@435: LIR_OpList* instructions_list() { return &_operations; } duke@435: int length() const { return _operations.length(); } duke@435: LIR_Op* at(int i) const { return _operations.at(i); } duke@435: duke@435: NOT_PRODUCT(BlockBegin* block() const { return _block; }); duke@435: duke@435: // insert LIR_Ops in buffer to right places in LIR_List duke@435: void append(LIR_InsertionBuffer* buffer); duke@435: duke@435: //---------- mutators --------------- duke@435: void insert_before(int i, LIR_List* op_list) { _operations.insert_before(i, op_list->instructions_list()); } duke@435: void insert_before(int i, LIR_Op* op) { _operations.insert_before(i, op); } iveresov@2138: void remove_at(int i) { _operations.remove_at(i); } duke@435: duke@435: //---------- printing ------------- duke@435: void print_instructions() PRODUCT_RETURN; duke@435: duke@435: duke@435: //---------- instructions ------------- duke@435: void call_opt_virtual(ciMethod* method, LIR_Opr receiver, LIR_Opr result, duke@435: address dest, LIR_OprList* arguments, duke@435: CodeEmitInfo* info) { duke@435: append(new LIR_OpJavaCall(lir_optvirtual_call, method, receiver, result, dest, arguments, info)); duke@435: } duke@435: void call_static(ciMethod* method, LIR_Opr result, duke@435: address dest, LIR_OprList* arguments, CodeEmitInfo* info) { duke@435: append(new LIR_OpJavaCall(lir_static_call, method, LIR_OprFact::illegalOpr, result, dest, arguments, info)); duke@435: } duke@435: void call_icvirtual(ciMethod* method, LIR_Opr receiver, LIR_Opr result, duke@435: address dest, LIR_OprList* arguments, CodeEmitInfo* info) { duke@435: append(new LIR_OpJavaCall(lir_icvirtual_call, method, receiver, result, dest, arguments, info)); duke@435: } duke@435: void call_virtual(ciMethod* method, LIR_Opr receiver, LIR_Opr result, duke@435: intptr_t vtable_offset, LIR_OprList* arguments, CodeEmitInfo* info) { duke@435: append(new LIR_OpJavaCall(lir_virtual_call, method, receiver, result, vtable_offset, arguments, info)); duke@435: } twisti@1730: void call_dynamic(ciMethod* method, LIR_Opr receiver, LIR_Opr result, twisti@1730: address dest, LIR_OprList* arguments, CodeEmitInfo* info) { twisti@1730: append(new LIR_OpJavaCall(lir_dynamic_call, method, receiver, result, dest, arguments, info)); twisti@1730: } duke@435: duke@435: void get_thread(LIR_Opr result) { append(new LIR_Op0(lir_get_thread, result)); } duke@435: void word_align() { append(new LIR_Op0(lir_word_align)); } duke@435: void membar() { append(new LIR_Op0(lir_membar)); } duke@435: void membar_acquire() { append(new LIR_Op0(lir_membar_acquire)); } duke@435: void membar_release() { append(new LIR_Op0(lir_membar_release)); } duke@435: duke@435: void nop() { append(new LIR_Op0(lir_nop)); } duke@435: void build_frame() { append(new LIR_Op0(lir_build_frame)); } duke@435: duke@435: void std_entry(LIR_Opr receiver) { append(new LIR_Op0(lir_std_entry, receiver)); } duke@435: void osr_entry(LIR_Opr osrPointer) { append(new LIR_Op0(lir_osr_entry, osrPointer)); } duke@435: duke@435: void branch_destination(Label* lbl) { append(new LIR_OpLabel(lbl)); } duke@435: duke@435: void negate(LIR_Opr from, LIR_Opr to) { append(new LIR_Op1(lir_neg, from, to)); } duke@435: void leal(LIR_Opr from, LIR_Opr result_reg) { append(new LIR_Op1(lir_leal, from, result_reg)); } duke@435: duke@435: // result is a stack location for old backend and vreg for UseLinearScan duke@435: // stack_loc_temp is an illegal register for old backend duke@435: void roundfp(LIR_Opr reg, LIR_Opr stack_loc_temp, LIR_Opr result) { append(new LIR_OpRoundFP(reg, stack_loc_temp, result)); } duke@435: 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: 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: 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: 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: 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: 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: duke@435: 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: duke@435: void oop2reg (jobject o, LIR_Opr reg) { append(new LIR_Op1(lir_move, LIR_OprFact::oopConst(o), reg)); } duke@435: void oop2reg_patch(jobject o, LIR_Opr reg, CodeEmitInfo* info); duke@435: duke@435: void return_op(LIR_Opr result) { append(new LIR_Op1(lir_return, result)); } duke@435: duke@435: void safepoint(LIR_Opr tmp, CodeEmitInfo* info) { append(new LIR_Op1(lir_safepoint, tmp, info)); } duke@435: bobv@2036: #ifdef PPC bobv@2036: void convert(Bytecodes::Code code, LIR_Opr left, LIR_Opr dst, LIR_Opr tmp1, LIR_Opr tmp2) { append(new LIR_OpConvert(code, left, dst, NULL, tmp1, tmp2)); } bobv@2036: #endif duke@435: 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: duke@435: void logical_and (LIR_Opr left, LIR_Opr right, LIR_Opr dst) { append(new LIR_Op2(lir_logic_and, left, right, dst)); } duke@435: void logical_or (LIR_Opr left, LIR_Opr right, LIR_Opr dst) { append(new LIR_Op2(lir_logic_or, left, right, dst)); } duke@435: void logical_xor (LIR_Opr left, LIR_Opr right, LIR_Opr dst) { append(new LIR_Op2(lir_logic_xor, left, right, dst)); } duke@435: iveresov@2138: void pack64(LIR_Opr src, LIR_Opr dst) { append(new LIR_Op1(lir_pack64, src, dst, T_LONG, lir_patch_none, NULL)); } iveresov@2138: void unpack64(LIR_Opr src, LIR_Opr dst) { append(new LIR_Op1(lir_unpack64, src, dst, T_LONG, lir_patch_none, NULL)); } iveresov@2138: duke@435: void null_check(LIR_Opr opr, CodeEmitInfo* info) { append(new LIR_Op1(lir_null_check, opr, info)); } never@1813: void throw_exception(LIR_Opr exceptionPC, LIR_Opr exceptionOop, CodeEmitInfo* info) { never@1813: append(new LIR_Op2(lir_throw, exceptionPC, exceptionOop, LIR_OprFact::illegalOpr, info)); never@1813: } never@1813: void unwind_exception(LIR_Opr exceptionOop) { never@1813: append(new LIR_Op1(lir_unwind, exceptionOop)); never@1813: } duke@435: duke@435: void compare_to (LIR_Opr left, LIR_Opr right, LIR_Opr dst) { duke@435: append(new LIR_Op2(lir_compare_to, left, right, dst)); duke@435: } duke@435: duke@435: void push(LIR_Opr opr) { append(new LIR_Op1(lir_push, opr)); } duke@435: void pop(LIR_Opr reg) { append(new LIR_Op1(lir_pop, reg)); } duke@435: duke@435: void cmp(LIR_Condition condition, LIR_Opr left, LIR_Opr right, CodeEmitInfo* info = NULL) { duke@435: append(new LIR_Op2(lir_cmp, condition, left, right, info)); duke@435: } duke@435: void cmp(LIR_Condition condition, LIR_Opr left, int right, CodeEmitInfo* info = NULL) { duke@435: cmp(condition, left, LIR_OprFact::intConst(right), info); duke@435: } duke@435: duke@435: void cmp_mem_int(LIR_Condition condition, LIR_Opr base, int disp, int c, CodeEmitInfo* info); duke@435: void cmp_reg_mem(LIR_Condition condition, LIR_Opr reg, LIR_Address* addr, CodeEmitInfo* info); duke@435: duke@435: void cmove(LIR_Condition condition, LIR_Opr src1, LIR_Opr src2, LIR_Opr dst) { duke@435: append(new LIR_Op2(lir_cmove, condition, src1, src2, dst)); duke@435: } duke@435: bobv@2036: void cas_long(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value, bobv@2036: LIR_Opr t1, LIR_Opr t2, LIR_Opr result = LIR_OprFact::illegalOpr); bobv@2036: void cas_obj(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value, bobv@2036: LIR_Opr t1, LIR_Opr t2, LIR_Opr result = LIR_OprFact::illegalOpr); bobv@2036: void cas_int(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value, bobv@2036: LIR_Opr t1, LIR_Opr t2, LIR_Opr result = LIR_OprFact::illegalOpr); duke@435: duke@435: void abs (LIR_Opr from, LIR_Opr to, LIR_Opr tmp) { append(new LIR_Op2(lir_abs , from, tmp, to)); } duke@435: void sqrt(LIR_Opr from, LIR_Opr to, LIR_Opr tmp) { append(new LIR_Op2(lir_sqrt, from, tmp, to)); } never@1388: void log (LIR_Opr from, LIR_Opr to, LIR_Opr tmp) { append(new LIR_Op2(lir_log, from, LIR_OprFact::illegalOpr, to, tmp)); } never@1388: void log10 (LIR_Opr from, LIR_Opr to, LIR_Opr tmp) { append(new LIR_Op2(lir_log10, from, LIR_OprFact::illegalOpr, to, tmp)); } duke@435: 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: 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: 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: duke@435: void add (LIR_Opr left, LIR_Opr right, LIR_Opr res) { append(new LIR_Op2(lir_add, left, right, res)); } duke@435: 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: void mul (LIR_Opr left, LIR_Opr right, LIR_Opr res) { append(new LIR_Op2(lir_mul, left, right, res)); } duke@435: 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: 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: 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: 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: duke@435: void volatile_load_mem_reg(LIR_Address* address, LIR_Opr dst, CodeEmitInfo* info, LIR_PatchCode patch_code = lir_patch_none); duke@435: void volatile_load_unsafe_reg(LIR_Opr base, LIR_Opr offset, LIR_Opr dst, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code); duke@435: duke@435: void load(LIR_Address* addr, LIR_Opr src, CodeEmitInfo* info = NULL, LIR_PatchCode patch_code = lir_patch_none); duke@435: duke@435: void prefetch(LIR_Address* addr, bool is_store); duke@435: duke@435: 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: 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: void store(LIR_Opr src, LIR_Address* addr, CodeEmitInfo* info = NULL, LIR_PatchCode patch_code = lir_patch_none); duke@435: void volatile_store_mem_reg(LIR_Opr src, LIR_Address* address, CodeEmitInfo* info, LIR_PatchCode patch_code = lir_patch_none); duke@435: void volatile_store_unsafe_reg(LIR_Opr src, LIR_Opr base, LIR_Opr offset, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code); duke@435: duke@435: void idiv(LIR_Opr left, LIR_Opr right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info); duke@435: void idiv(LIR_Opr left, int right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info); duke@435: void irem(LIR_Opr left, LIR_Opr right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info); duke@435: void irem(LIR_Opr left, int right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info); duke@435: duke@435: 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: 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: duke@435: // jump is an unconditional branch duke@435: void jump(BlockBegin* block) { duke@435: append(new LIR_OpBranch(lir_cond_always, T_ILLEGAL, block)); duke@435: } duke@435: void jump(CodeStub* stub) { duke@435: append(new LIR_OpBranch(lir_cond_always, T_ILLEGAL, stub)); duke@435: } duke@435: void branch(LIR_Condition cond, Label* lbl) { append(new LIR_OpBranch(cond, lbl)); } duke@435: void branch(LIR_Condition cond, BasicType type, BlockBegin* block) { duke@435: assert(type != T_FLOAT && type != T_DOUBLE, "no fp comparisons"); duke@435: append(new LIR_OpBranch(cond, type, block)); duke@435: } duke@435: void branch(LIR_Condition cond, BasicType type, CodeStub* stub) { duke@435: assert(type != T_FLOAT && type != T_DOUBLE, "no fp comparisons"); duke@435: append(new LIR_OpBranch(cond, type, stub)); duke@435: } duke@435: void branch(LIR_Condition cond, BasicType type, BlockBegin* block, BlockBegin* unordered) { duke@435: assert(type == T_FLOAT || type == T_DOUBLE, "fp comparisons only"); duke@435: append(new LIR_OpBranch(cond, type, block, unordered)); duke@435: } duke@435: duke@435: void shift_left(LIR_Opr value, LIR_Opr count, LIR_Opr dst, LIR_Opr tmp); duke@435: void shift_right(LIR_Opr value, LIR_Opr count, LIR_Opr dst, LIR_Opr tmp); duke@435: void unsigned_shift_right(LIR_Opr value, LIR_Opr count, LIR_Opr dst, LIR_Opr tmp); duke@435: duke@435: void shift_left(LIR_Opr value, int count, LIR_Opr dst) { shift_left(value, LIR_OprFact::intConst(count), dst, LIR_OprFact::illegalOpr); } duke@435: void shift_right(LIR_Opr value, int count, LIR_Opr dst) { shift_right(value, LIR_OprFact::intConst(count), dst, LIR_OprFact::illegalOpr); } duke@435: 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: duke@435: void lcmp2int(LIR_Opr left, LIR_Opr right, LIR_Opr dst) { append(new LIR_Op2(lir_cmp_l2i, left, right, dst)); } duke@435: void fcmp2int(LIR_Opr left, LIR_Opr right, LIR_Opr dst, bool is_unordered_less); duke@435: duke@435: void call_runtime_leaf(address routine, LIR_Opr tmp, LIR_Opr result, LIR_OprList* arguments) { duke@435: append(new LIR_OpRTCall(routine, tmp, result, arguments)); duke@435: } duke@435: duke@435: void call_runtime(address routine, LIR_Opr tmp, LIR_Opr result, duke@435: LIR_OprList* arguments, CodeEmitInfo* info) { duke@435: append(new LIR_OpRTCall(routine, tmp, result, arguments, info)); duke@435: } duke@435: duke@435: void load_stack_address_monitor(int monitor_ix, LIR_Opr dst) { append(new LIR_Op1(lir_monaddr, LIR_OprFact::intConst(monitor_ix), dst)); } bobv@2036: void unlock_object(LIR_Opr hdr, LIR_Opr obj, LIR_Opr lock, LIR_Opr scratch, CodeStub* stub); duke@435: void lock_object(LIR_Opr hdr, LIR_Opr obj, LIR_Opr lock, LIR_Opr scratch, CodeStub* stub, CodeEmitInfo* info); duke@435: duke@435: void set_24bit_fpu() { append(new LIR_Op0(lir_24bit_FPU )); } duke@435: void restore_fpu() { append(new LIR_Op0(lir_reset_FPU )); } duke@435: void breakpoint() { append(new LIR_Op0(lir_breakpoint)); } duke@435: duke@435: 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: duke@435: void fpop_raw() { append(new LIR_Op0(lir_fpop_raw)); } duke@435: iveresov@2146: 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, ciMethod* profiled_method, int profiled_bci); iveresov@2138: void store_check(LIR_Opr object, LIR_Opr array, LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, CodeEmitInfo* info_for_exception); iveresov@2138: duke@435: void checkcast (LIR_Opr result, LIR_Opr object, ciKlass* klass, duke@435: LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, bool fast_check, duke@435: CodeEmitInfo* info_for_exception, CodeEmitInfo* info_for_patch, CodeStub* stub, duke@435: ciMethod* profiled_method, int profiled_bci); duke@435: // methodDataOop profiling iveresov@2138: void profile_call(ciMethod* method, int bci, LIR_Opr mdo, LIR_Opr recv, LIR_Opr t1, ciKlass* cha_klass) { iveresov@2138: append(new LIR_OpProfileCall(lir_profile_call, method, bci, mdo, recv, t1, cha_klass)); iveresov@2138: } duke@435: }; duke@435: duke@435: void print_LIR(BlockList* blocks); duke@435: duke@435: class LIR_InsertionBuffer : public CompilationResourceObj { duke@435: private: duke@435: LIR_List* _lir; // the lir list where ops of this buffer should be inserted later (NULL when uninitialized) duke@435: duke@435: // list of insertion points. index and count are stored alternately: duke@435: // _index_and_count[i * 2]: the index into lir list where "count" ops should be inserted duke@435: // _index_and_count[i * 2 + 1]: the number of ops to be inserted at index duke@435: intStack _index_and_count; duke@435: duke@435: // the LIR_Ops to be inserted duke@435: LIR_OpList _ops; duke@435: duke@435: void append_new(int index, int count) { _index_and_count.append(index); _index_and_count.append(count); } duke@435: void set_index_at(int i, int value) { _index_and_count.at_put((i << 1), value); } duke@435: void set_count_at(int i, int value) { _index_and_count.at_put((i << 1) + 1, value); } duke@435: duke@435: #ifdef ASSERT duke@435: void verify(); duke@435: #endif duke@435: public: duke@435: LIR_InsertionBuffer() : _lir(NULL), _index_and_count(8), _ops(8) { } duke@435: duke@435: // must be called before using the insertion buffer duke@435: void init(LIR_List* lir) { assert(!initialized(), "already initialized"); _lir = lir; _index_and_count.clear(); _ops.clear(); } duke@435: bool initialized() const { return _lir != NULL; } duke@435: // called automatically when the buffer is appended to the LIR_List duke@435: void finish() { _lir = NULL; } duke@435: duke@435: // accessors duke@435: LIR_List* lir_list() const { return _lir; } duke@435: int number_of_insertion_points() const { return _index_and_count.length() >> 1; } duke@435: int index_at(int i) const { return _index_and_count.at((i << 1)); } duke@435: int count_at(int i) const { return _index_and_count.at((i << 1) + 1); } duke@435: duke@435: int number_of_ops() const { return _ops.length(); } duke@435: LIR_Op* op_at(int i) const { return _ops.at(i); } duke@435: duke@435: // append an instruction to the buffer duke@435: void append(int index, LIR_Op* op); duke@435: duke@435: // instruction duke@435: 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: }; duke@435: duke@435: duke@435: // duke@435: // LIR_OpVisitState is used for manipulating LIR_Ops in an abstract way. duke@435: // Calling a LIR_Op's visit function with a LIR_OpVisitState causes duke@435: // information about the input, output and temporaries used by the duke@435: // op to be recorded. It also records whether the op has call semantics duke@435: // and also records all the CodeEmitInfos used by this op. duke@435: // duke@435: duke@435: duke@435: class LIR_OpVisitState: public StackObj { duke@435: public: duke@435: typedef enum { inputMode, firstMode = inputMode, tempMode, outputMode, numModes, invalidMode = -1 } OprMode; duke@435: duke@435: enum { never@1610: maxNumberOfOperands = 16, duke@435: maxNumberOfInfos = 4 duke@435: }; duke@435: duke@435: private: duke@435: LIR_Op* _op; duke@435: duke@435: // optimization: the operands and infos are not stored in a variable-length duke@435: // list, but in a fixed-size array to save time of size checks and resizing duke@435: int _oprs_len[numModes]; duke@435: LIR_Opr* _oprs_new[numModes][maxNumberOfOperands]; duke@435: int _info_len; duke@435: CodeEmitInfo* _info_new[maxNumberOfInfos]; duke@435: duke@435: bool _has_call; duke@435: bool _has_slow_case; duke@435: duke@435: duke@435: // only include register operands duke@435: // addresses are decomposed to the base and index registers duke@435: // constants and stack operands are ignored duke@435: void append(LIR_Opr& opr, OprMode mode) { duke@435: assert(opr->is_valid(), "should not call this otherwise"); duke@435: assert(mode >= 0 && mode < numModes, "bad mode"); duke@435: duke@435: if (opr->is_register()) { duke@435: assert(_oprs_len[mode] < maxNumberOfOperands, "array overflow"); duke@435: _oprs_new[mode][_oprs_len[mode]++] = &opr; duke@435: duke@435: } else if (opr->is_pointer()) { duke@435: LIR_Address* address = opr->as_address_ptr(); duke@435: if (address != NULL) { duke@435: // special handling for addresses: add base and index register of the address duke@435: // both are always input operands! duke@435: if (address->_base->is_valid()) { duke@435: assert(address->_base->is_register(), "must be"); duke@435: assert(_oprs_len[inputMode] < maxNumberOfOperands, "array overflow"); duke@435: _oprs_new[inputMode][_oprs_len[inputMode]++] = &address->_base; duke@435: } duke@435: if (address->_index->is_valid()) { duke@435: assert(address->_index->is_register(), "must be"); duke@435: assert(_oprs_len[inputMode] < maxNumberOfOperands, "array overflow"); duke@435: _oprs_new[inputMode][_oprs_len[inputMode]++] = &address->_index; duke@435: } duke@435: duke@435: } else { duke@435: assert(opr->is_constant(), "constant operands are not processed"); duke@435: } duke@435: } else { duke@435: assert(opr->is_stack(), "stack operands are not processed"); duke@435: } duke@435: } duke@435: duke@435: void append(CodeEmitInfo* info) { duke@435: assert(info != NULL, "should not call this otherwise"); duke@435: assert(_info_len < maxNumberOfInfos, "array overflow"); duke@435: _info_new[_info_len++] = info; duke@435: } duke@435: duke@435: public: duke@435: LIR_OpVisitState() { reset(); } duke@435: duke@435: LIR_Op* op() const { return _op; } duke@435: void set_op(LIR_Op* op) { reset(); _op = op; } duke@435: duke@435: bool has_call() const { return _has_call; } duke@435: bool has_slow_case() const { return _has_slow_case; } duke@435: duke@435: void reset() { duke@435: _op = NULL; duke@435: _has_call = false; duke@435: _has_slow_case = false; duke@435: duke@435: _oprs_len[inputMode] = 0; duke@435: _oprs_len[tempMode] = 0; duke@435: _oprs_len[outputMode] = 0; duke@435: _info_len = 0; duke@435: } duke@435: duke@435: duke@435: int opr_count(OprMode mode) const { duke@435: assert(mode >= 0 && mode < numModes, "bad mode"); duke@435: return _oprs_len[mode]; duke@435: } duke@435: duke@435: LIR_Opr opr_at(OprMode mode, int index) const { duke@435: assert(mode >= 0 && mode < numModes, "bad mode"); duke@435: assert(index >= 0 && index < _oprs_len[mode], "index out of bound"); duke@435: return *_oprs_new[mode][index]; duke@435: } duke@435: duke@435: void set_opr_at(OprMode mode, int index, LIR_Opr opr) const { duke@435: assert(mode >= 0 && mode < numModes, "bad mode"); duke@435: assert(index >= 0 && index < _oprs_len[mode], "index out of bound"); duke@435: *_oprs_new[mode][index] = opr; duke@435: } duke@435: duke@435: int info_count() const { duke@435: return _info_len; duke@435: } duke@435: duke@435: CodeEmitInfo* info_at(int index) const { duke@435: assert(index < _info_len, "index out of bounds"); duke@435: return _info_new[index]; duke@435: } duke@435: duke@435: XHandlers* all_xhandler(); duke@435: duke@435: // collects all register operands of the instruction duke@435: void visit(LIR_Op* op); duke@435: duke@435: #if ASSERT duke@435: // check that an operation has no operands duke@435: bool no_operands(LIR_Op* op); duke@435: #endif duke@435: duke@435: // LIR_Op visitor functions use these to fill in the state duke@435: void do_input(LIR_Opr& opr) { append(opr, LIR_OpVisitState::inputMode); } duke@435: void do_output(LIR_Opr& opr) { append(opr, LIR_OpVisitState::outputMode); } duke@435: void do_temp(LIR_Opr& opr) { append(opr, LIR_OpVisitState::tempMode); } duke@435: void do_info(CodeEmitInfo* info) { append(info); } duke@435: duke@435: void do_stub(CodeStub* stub); duke@435: void do_call() { _has_call = true; } duke@435: void do_slow_case() { _has_slow_case = true; } duke@435: void do_slow_case(CodeEmitInfo* info) { duke@435: _has_slow_case = true; duke@435: append(info); duke@435: } duke@435: }; duke@435: duke@435: duke@435: inline LIR_Opr LIR_OprDesc::illegalOpr() { return LIR_OprFact::illegalOpr; };