src/cpu/x86/vm/x86_32.ad

changeset 850
4d9884b01ba6
parent 838
b744678d4d71
child 855
a1980da045cc
     1.1 --- a/src/cpu/x86/vm/x86_32.ad	Tue Oct 21 11:23:52 2008 -0700
     1.2 +++ b/src/cpu/x86/vm/x86_32.ad	Tue Oct 28 09:31:30 2008 -0700
     1.3 @@ -495,8 +495,8 @@
     1.4  void MachPrologNode::format( PhaseRegAlloc *ra_, outputStream* st ) const {
     1.5    Compile* C = ra_->C;
     1.6    if( C->in_24_bit_fp_mode() ) {
     1.7 -    tty->print("FLDCW  24 bit fpu control word");
     1.8 -    tty->print_cr(""); tty->print("\t");
     1.9 +    st->print("FLDCW  24 bit fpu control word");
    1.10 +    st->print_cr(""); st->print("\t");
    1.11    }
    1.12  
    1.13    int framesize = C->frame_slots() << LogBytesPerInt;
    1.14 @@ -510,22 +510,22 @@
    1.15    // stack.  But the stack safety zone should account for that.
    1.16    // See bugs 4446381, 4468289, 4497237.
    1.17    if (C->need_stack_bang(framesize)) {
    1.18 -    tty->print_cr("# stack bang"); tty->print("\t");
    1.19 +    st->print_cr("# stack bang"); st->print("\t");
    1.20    }
    1.21 -  tty->print_cr("PUSHL  EBP"); tty->print("\t");
    1.22 +  st->print_cr("PUSHL  EBP"); st->print("\t");
    1.23  
    1.24    if( VerifyStackAtCalls ) { // Majik cookie to verify stack depth
    1.25 -    tty->print("PUSH   0xBADB100D\t# Majik cookie for stack depth check");
    1.26 -    tty->print_cr(""); tty->print("\t");
    1.27 +    st->print("PUSH   0xBADB100D\t# Majik cookie for stack depth check");
    1.28 +    st->print_cr(""); st->print("\t");
    1.29      framesize -= wordSize;
    1.30    }
    1.31  
    1.32    if ((C->in_24_bit_fp_mode() || VerifyStackAtCalls ) && framesize < 128 ) {
    1.33      if (framesize) {
    1.34 -      tty->print("SUB    ESP,%d\t# Create frame",framesize);
    1.35 +      st->print("SUB    ESP,%d\t# Create frame",framesize);
    1.36      }
    1.37    } else {
    1.38 -    tty->print("SUB    ESP,%d\t# Create frame",framesize);
    1.39 +    st->print("SUB    ESP,%d\t# Create frame",framesize);
    1.40    }
    1.41  }
    1.42  #endif
    1.43 @@ -725,18 +725,19 @@
    1.44    return rc_xmm;
    1.45  }
    1.46  
    1.47 -static int impl_helper( CodeBuffer *cbuf, bool do_size, bool is_load, int offset, int reg, int opcode, const char *op_str, int size ) {
    1.48 +static int impl_helper( CodeBuffer *cbuf, bool do_size, bool is_load, int offset, int reg,
    1.49 +                        int opcode, const char *op_str, int size, outputStream* st ) {
    1.50    if( cbuf ) {
    1.51      emit_opcode  (*cbuf, opcode );
    1.52      encode_RegMem(*cbuf, Matcher::_regEncode[reg], ESP_enc, 0x4, 0, offset, false);
    1.53  #ifndef PRODUCT
    1.54    } else if( !do_size ) {
    1.55 -    if( size != 0 ) tty->print("\n\t");
    1.56 +    if( size != 0 ) st->print("\n\t");
    1.57      if( opcode == 0x8B || opcode == 0x89 ) { // MOV
    1.58 -      if( is_load ) tty->print("%s   %s,[ESP + #%d]",op_str,Matcher::regName[reg],offset);
    1.59 -      else          tty->print("%s   [ESP + #%d],%s",op_str,offset,Matcher::regName[reg]);
    1.60 +      if( is_load ) st->print("%s   %s,[ESP + #%d]",op_str,Matcher::regName[reg],offset);
    1.61 +      else          st->print("%s   [ESP + #%d],%s",op_str,offset,Matcher::regName[reg]);
    1.62      } else { // FLD, FST, PUSH, POP
    1.63 -      tty->print("%s [ESP + #%d]",op_str,offset);
    1.64 +      st->print("%s [ESP + #%d]",op_str,offset);
    1.65      }
    1.66  #endif
    1.67    }
    1.68 @@ -746,7 +747,7 @@
    1.69  
    1.70  // Helper for XMM registers.  Extra opcode bits, limited syntax.
    1.71  static int impl_x_helper( CodeBuffer *cbuf, bool do_size, bool is_load,
    1.72 -                         int offset, int reg_lo, int reg_hi, int size ) {
    1.73 +                         int offset, int reg_lo, int reg_hi, int size, outputStream* st ) {
    1.74    if( cbuf ) {
    1.75      if( reg_lo+1 == reg_hi ) { // double move?
    1.76        if( is_load && !UseXmmLoadAndClearUpper )
    1.77 @@ -764,17 +765,17 @@
    1.78      encode_RegMem(*cbuf, Matcher::_regEncode[reg_lo], ESP_enc, 0x4, 0, offset, false);
    1.79  #ifndef PRODUCT
    1.80    } else if( !do_size ) {
    1.81 -    if( size != 0 ) tty->print("\n\t");
    1.82 +    if( size != 0 ) st->print("\n\t");
    1.83      if( reg_lo+1 == reg_hi ) { // double move?
    1.84 -      if( is_load ) tty->print("%s %s,[ESP + #%d]",
    1.85 +      if( is_load ) st->print("%s %s,[ESP + #%d]",
    1.86                                 UseXmmLoadAndClearUpper ? "MOVSD " : "MOVLPD",
    1.87                                 Matcher::regName[reg_lo], offset);
    1.88 -      else          tty->print("MOVSD  [ESP + #%d],%s",
    1.89 +      else          st->print("MOVSD  [ESP + #%d],%s",
    1.90                                 offset, Matcher::regName[reg_lo]);
    1.91      } else {
    1.92 -      if( is_load ) tty->print("MOVSS  %s,[ESP + #%d]",
    1.93 +      if( is_load ) st->print("MOVSS  %s,[ESP + #%d]",
    1.94                                 Matcher::regName[reg_lo], offset);
    1.95 -      else          tty->print("MOVSS  [ESP + #%d],%s",
    1.96 +      else          st->print("MOVSS  [ESP + #%d],%s",
    1.97                                 offset, Matcher::regName[reg_lo]);
    1.98      }
    1.99  #endif
   1.100 @@ -785,7 +786,7 @@
   1.101  
   1.102  
   1.103  static int impl_movx_helper( CodeBuffer *cbuf, bool do_size, int src_lo, int dst_lo,
   1.104 -                            int src_hi, int dst_hi, int size ) {
   1.105 +                            int src_hi, int dst_hi, int size, outputStream* st ) {
   1.106    if( UseXmmRegToRegMoveAll ) {//Use movaps,movapd to move between xmm registers
   1.107      if( cbuf ) {
   1.108        if( (src_lo+1 == src_hi && dst_lo+1 == dst_hi) ) {
   1.109 @@ -796,11 +797,11 @@
   1.110        emit_rm    (*cbuf, 0x3, Matcher::_regEncode[dst_lo], Matcher::_regEncode[src_lo] );
   1.111  #ifndef PRODUCT
   1.112      } else if( !do_size ) {
   1.113 -      if( size != 0 ) tty->print("\n\t");
   1.114 +      if( size != 0 ) st->print("\n\t");
   1.115        if( src_lo+1 == src_hi && dst_lo+1 == dst_hi ) { // double move?
   1.116 -        tty->print("MOVAPD %s,%s",Matcher::regName[dst_lo],Matcher::regName[src_lo]);
   1.117 +        st->print("MOVAPD %s,%s",Matcher::regName[dst_lo],Matcher::regName[src_lo]);
   1.118        } else {
   1.119 -        tty->print("MOVAPS %s,%s",Matcher::regName[dst_lo],Matcher::regName[src_lo]);
   1.120 +        st->print("MOVAPS %s,%s",Matcher::regName[dst_lo],Matcher::regName[src_lo]);
   1.121        }
   1.122  #endif
   1.123      }
   1.124 @@ -813,11 +814,11 @@
   1.125        emit_rm    (*cbuf, 0x3, Matcher::_regEncode[dst_lo], Matcher::_regEncode[src_lo] );
   1.126  #ifndef PRODUCT
   1.127      } else if( !do_size ) {
   1.128 -      if( size != 0 ) tty->print("\n\t");
   1.129 +      if( size != 0 ) st->print("\n\t");
   1.130        if( src_lo+1 == src_hi && dst_lo+1 == dst_hi ) { // double move?
   1.131 -        tty->print("MOVSD  %s,%s",Matcher::regName[dst_lo],Matcher::regName[src_lo]);
   1.132 +        st->print("MOVSD  %s,%s",Matcher::regName[dst_lo],Matcher::regName[src_lo]);
   1.133        } else {
   1.134 -        tty->print("MOVSS  %s,%s",Matcher::regName[dst_lo],Matcher::regName[src_lo]);
   1.135 +        st->print("MOVSS  %s,%s",Matcher::regName[dst_lo],Matcher::regName[src_lo]);
   1.136        }
   1.137  #endif
   1.138      }
   1.139 @@ -825,28 +826,29 @@
   1.140    }
   1.141  }
   1.142  
   1.143 -static int impl_mov_helper( CodeBuffer *cbuf, bool do_size, int src, int dst, int size ) {
   1.144 +static int impl_mov_helper( CodeBuffer *cbuf, bool do_size, int src, int dst, int size, outputStream* st ) {
   1.145    if( cbuf ) {
   1.146      emit_opcode(*cbuf, 0x8B );
   1.147      emit_rm    (*cbuf, 0x3, Matcher::_regEncode[dst], Matcher::_regEncode[src] );
   1.148  #ifndef PRODUCT
   1.149    } else if( !do_size ) {
   1.150 -    if( size != 0 ) tty->print("\n\t");
   1.151 -    tty->print("MOV    %s,%s",Matcher::regName[dst],Matcher::regName[src]);
   1.152 +    if( size != 0 ) st->print("\n\t");
   1.153 +    st->print("MOV    %s,%s",Matcher::regName[dst],Matcher::regName[src]);
   1.154  #endif
   1.155    }
   1.156    return size+2;
   1.157  }
   1.158  
   1.159 -static int impl_fp_store_helper( CodeBuffer *cbuf, bool do_size, int src_lo, int src_hi, int dst_lo, int dst_hi, int offset, int size ) {
   1.160 +static int impl_fp_store_helper( CodeBuffer *cbuf, bool do_size, int src_lo, int src_hi, int dst_lo, int dst_hi,
   1.161 +                                 int offset, int size, outputStream* st ) {
   1.162    if( src_lo != FPR1L_num ) {      // Move value to top of FP stack, if not already there
   1.163      if( cbuf ) {
   1.164        emit_opcode( *cbuf, 0xD9 );  // FLD (i.e., push it)
   1.165        emit_d8( *cbuf, 0xC0-1+Matcher::_regEncode[src_lo] );
   1.166  #ifndef PRODUCT
   1.167      } else if( !do_size ) {
   1.168 -      if( size != 0 ) tty->print("\n\t");
   1.169 -      tty->print("FLD    %s",Matcher::regName[src_lo]);
   1.170 +      if( size != 0 ) st->print("\n\t");
   1.171 +      st->print("FLD    %s",Matcher::regName[src_lo]);
   1.172  #endif
   1.173      }
   1.174      size += 2;
   1.175 @@ -864,7 +866,7 @@
   1.176      assert( !OptoReg::is_valid(src_hi) && !OptoReg::is_valid(dst_hi), "no non-adjacent float-stores" );
   1.177    }
   1.178  
   1.179 -  return impl_helper(cbuf,do_size,false,offset,st_op,op,op_str,size);
   1.180 +  return impl_helper(cbuf,do_size,false,offset,st_op,op,op_str,size, st);
   1.181  }
   1.182  
   1.183  uint MachSpillCopyNode::implementation( CodeBuffer *cbuf, PhaseRegAlloc *ra_, bool do_size, outputStream* st ) const {
   1.184 @@ -892,16 +894,16 @@
   1.185    if( src_first_rc == rc_stack && dst_first_rc == rc_stack ) {
   1.186      if( src_second == dst_first ) { // overlapping stack copy ranges
   1.187        assert( src_second_rc == rc_stack && dst_second_rc == rc_stack, "we only expect a stk-stk copy here" );
   1.188 -      size = impl_helper(cbuf,do_size,true ,ra_->reg2offset(src_second),ESI_num,0xFF,"PUSH  ",size);
   1.189 -      size = impl_helper(cbuf,do_size,false,ra_->reg2offset(dst_second),EAX_num,0x8F,"POP   ",size);
   1.190 +      size = impl_helper(cbuf,do_size,true ,ra_->reg2offset(src_second),ESI_num,0xFF,"PUSH  ",size, st);
   1.191 +      size = impl_helper(cbuf,do_size,false,ra_->reg2offset(dst_second),EAX_num,0x8F,"POP   ",size, st);
   1.192        src_second_rc = dst_second_rc = rc_bad;  // flag as already moved the second bits
   1.193      }
   1.194      // move low bits
   1.195 -    size = impl_helper(cbuf,do_size,true ,ra_->reg2offset(src_first),ESI_num,0xFF,"PUSH  ",size);
   1.196 -    size = impl_helper(cbuf,do_size,false,ra_->reg2offset(dst_first),EAX_num,0x8F,"POP   ",size);
   1.197 +    size = impl_helper(cbuf,do_size,true ,ra_->reg2offset(src_first),ESI_num,0xFF,"PUSH  ",size, st);
   1.198 +    size = impl_helper(cbuf,do_size,false,ra_->reg2offset(dst_first),EAX_num,0x8F,"POP   ",size, st);
   1.199      if( src_second_rc == rc_stack && dst_second_rc == rc_stack ) { // mov second bits
   1.200 -      size = impl_helper(cbuf,do_size,true ,ra_->reg2offset(src_second),ESI_num,0xFF,"PUSH  ",size);
   1.201 -      size = impl_helper(cbuf,do_size,false,ra_->reg2offset(dst_second),EAX_num,0x8F,"POP   ",size);
   1.202 +      size = impl_helper(cbuf,do_size,true ,ra_->reg2offset(src_second),ESI_num,0xFF,"PUSH  ",size, st);
   1.203 +      size = impl_helper(cbuf,do_size,false,ra_->reg2offset(dst_second),EAX_num,0x8F,"POP   ",size, st);
   1.204      }
   1.205      return size;
   1.206    }
   1.207 @@ -909,15 +911,15 @@
   1.208    // --------------------------------------
   1.209    // Check for integer reg-reg copy
   1.210    if( src_first_rc == rc_int && dst_first_rc == rc_int )
   1.211 -    size = impl_mov_helper(cbuf,do_size,src_first,dst_first,size);
   1.212 +    size = impl_mov_helper(cbuf,do_size,src_first,dst_first,size, st);
   1.213  
   1.214    // Check for integer store
   1.215    if( src_first_rc == rc_int && dst_first_rc == rc_stack )
   1.216 -    size = impl_helper(cbuf,do_size,false,ra_->reg2offset(dst_first),src_first,0x89,"MOV ",size);
   1.217 +    size = impl_helper(cbuf,do_size,false,ra_->reg2offset(dst_first),src_first,0x89,"MOV ",size, st);
   1.218  
   1.219    // Check for integer load
   1.220    if( dst_first_rc == rc_int && src_first_rc == rc_stack )
   1.221 -    size = impl_helper(cbuf,do_size,true ,ra_->reg2offset(src_first),dst_first,0x8B,"MOV ",size);
   1.222 +    size = impl_helper(cbuf,do_size,true ,ra_->reg2offset(src_first),dst_first,0x8B,"MOV ",size, st);
   1.223  
   1.224    // --------------------------------------
   1.225    // Check for float reg-reg copy
   1.226 @@ -951,7 +953,7 @@
   1.227  
   1.228    // Check for float store
   1.229    if( src_first_rc == rc_float && dst_first_rc == rc_stack ) {
   1.230 -    return impl_fp_store_helper(cbuf,do_size,src_first,src_second,dst_first,dst_second,ra_->reg2offset(dst_first),size);
   1.231 +    return impl_fp_store_helper(cbuf,do_size,src_first,src_second,dst_first,dst_second,ra_->reg2offset(dst_first),size, st);
   1.232    }
   1.233  
   1.234    // Check for float load
   1.235 @@ -987,17 +989,17 @@
   1.236      assert( (src_second_rc == rc_bad && dst_second_rc == rc_bad) ||
   1.237              (src_first+1 == src_second && dst_first+1 == dst_second),
   1.238              "no non-adjacent float-moves" );
   1.239 -    return impl_movx_helper(cbuf,do_size,src_first,dst_first,src_second, dst_second, size);
   1.240 +    return impl_movx_helper(cbuf,do_size,src_first,dst_first,src_second, dst_second, size, st);
   1.241    }
   1.242  
   1.243    // Check for xmm store
   1.244    if( src_first_rc == rc_xmm && dst_first_rc == rc_stack ) {
   1.245 -    return impl_x_helper(cbuf,do_size,false,ra_->reg2offset(dst_first),src_first, src_second, size);
   1.246 +    return impl_x_helper(cbuf,do_size,false,ra_->reg2offset(dst_first),src_first, src_second, size, st);
   1.247    }
   1.248  
   1.249    // Check for float xmm load
   1.250    if( dst_first_rc == rc_xmm && src_first_rc == rc_stack ) {
   1.251 -    return impl_x_helper(cbuf,do_size,true ,ra_->reg2offset(src_first),dst_first, dst_second, size);
   1.252 +    return impl_x_helper(cbuf,do_size,true ,ra_->reg2offset(src_first),dst_first, dst_second, size, st);
   1.253    }
   1.254  
   1.255    // Copy from float reg to xmm reg
   1.256 @@ -1017,10 +1019,10 @@
   1.257      }
   1.258      size += 4;
   1.259  
   1.260 -    size = impl_fp_store_helper(cbuf,do_size,src_first,src_second,dst_first,dst_second,0,size);
   1.261 +    size = impl_fp_store_helper(cbuf,do_size,src_first,src_second,dst_first,dst_second,0,size, st);
   1.262  
   1.263      // Copy from the temp memory to the xmm reg.
   1.264 -    size = impl_x_helper(cbuf,do_size,true ,0,dst_first, dst_second, size);
   1.265 +    size = impl_x_helper(cbuf,do_size,true ,0,dst_first, dst_second, size, st);
   1.266  
   1.267      if( cbuf ) {
   1.268        emit_opcode(*cbuf,0x8D);  // LEA  ESP,[ESP+8]
   1.269 @@ -1047,15 +1049,15 @@
   1.270  
   1.271    // Check for second word int-int move
   1.272    if( src_second_rc == rc_int && dst_second_rc == rc_int )
   1.273 -    return impl_mov_helper(cbuf,do_size,src_second,dst_second,size);
   1.274 +    return impl_mov_helper(cbuf,do_size,src_second,dst_second,size, st);
   1.275  
   1.276    // Check for second word integer store
   1.277    if( src_second_rc == rc_int && dst_second_rc == rc_stack )
   1.278 -    return impl_helper(cbuf,do_size,false,ra_->reg2offset(dst_second),src_second,0x89,"MOV ",size);
   1.279 +    return impl_helper(cbuf,do_size,false,ra_->reg2offset(dst_second),src_second,0x89,"MOV ",size, st);
   1.280  
   1.281    // Check for second word integer load
   1.282    if( dst_second_rc == rc_int && src_second_rc == rc_stack )
   1.283 -    return impl_helper(cbuf,do_size,true ,ra_->reg2offset(src_second),dst_second,0x8B,"MOV ",size);
   1.284 +    return impl_helper(cbuf,do_size,true ,ra_->reg2offset(src_second),dst_second,0x8B,"MOV ",size, st);
   1.285  
   1.286  
   1.287    Unimplemented();
   1.288 @@ -1318,7 +1320,11 @@
   1.289  //
   1.290  // NOTE: If the platform does not provide any short branch variants, then
   1.291  //       this method should return false for offset 0.
   1.292 -bool Matcher::is_short_branch_offset(int offset) {
   1.293 +bool Matcher::is_short_branch_offset(int rule, int offset) {
   1.294 +  // the short version of jmpConUCF2 contains multiple branches,
   1.295 +  // making the reach slightly less
   1.296 +  if (rule == jmpConUCF2_rule)
   1.297 +    return (-126 <= offset && offset <= 125);
   1.298    return (-128 <= offset && offset <= 127);
   1.299  }
   1.300  
   1.301 @@ -5272,6 +5278,15 @@
   1.302    interface(REG_INTER);
   1.303  %}
   1.304  
   1.305 +operand eFlagsRegUCF() %{
   1.306 +  constraint(ALLOC_IN_RC(int_flags));
   1.307 +  match(RegFlags);
   1.308 +  predicate(false);
   1.309 +
   1.310 +  format %{ "EFLAGS_U_CF" %}
   1.311 +  interface(REG_INTER);
   1.312 +%}
   1.313 +
   1.314  // Condition Code Register used by long compare
   1.315  operand flagsReg_long_LTGE() %{
   1.316    constraint(ALLOC_IN_RC(int_flags));
   1.317 @@ -5749,12 +5764,12 @@
   1.318  
   1.319    format %{ "" %}
   1.320    interface(COND_INTER) %{
   1.321 -    equal(0x4);
   1.322 -    not_equal(0x5);
   1.323 -    less(0xC);
   1.324 -    greater_equal(0xD);
   1.325 -    less_equal(0xE);
   1.326 -    greater(0xF);
   1.327 +    equal(0x4, "e");
   1.328 +    not_equal(0x5, "ne");
   1.329 +    less(0xC, "l");
   1.330 +    greater_equal(0xD, "ge");
   1.331 +    less_equal(0xE, "le");
   1.332 +    greater(0xF, "g");
   1.333    %}
   1.334  %}
   1.335  
   1.336 @@ -5766,12 +5781,47 @@
   1.337  
   1.338    format %{ "" %}
   1.339    interface(COND_INTER) %{
   1.340 -    equal(0x4);
   1.341 -    not_equal(0x5);
   1.342 -    less(0x2);
   1.343 -    greater_equal(0x3);
   1.344 -    less_equal(0x6);
   1.345 -    greater(0x7);
   1.346 +    equal(0x4, "e");
   1.347 +    not_equal(0x5, "ne");
   1.348 +    less(0x2, "b");
   1.349 +    greater_equal(0x3, "nb");
   1.350 +    less_equal(0x6, "be");
   1.351 +    greater(0x7, "nbe");
   1.352 +  %}
   1.353 +%}
   1.354 +
   1.355 +// Floating comparisons that don't require any fixup for the unordered case
   1.356 +operand cmpOpUCF() %{
   1.357 +  match(Bool);
   1.358 +  predicate(n->as_Bool()->_test._test == BoolTest::lt ||
   1.359 +            n->as_Bool()->_test._test == BoolTest::ge ||
   1.360 +            n->as_Bool()->_test._test == BoolTest::le ||
   1.361 +            n->as_Bool()->_test._test == BoolTest::gt);
   1.362 +  format %{ "" %}
   1.363 +  interface(COND_INTER) %{
   1.364 +    equal(0x4, "e");
   1.365 +    not_equal(0x5, "ne");
   1.366 +    less(0x2, "b");
   1.367 +    greater_equal(0x3, "nb");
   1.368 +    less_equal(0x6, "be");
   1.369 +    greater(0x7, "nbe");
   1.370 +  %}
   1.371 +%}
   1.372 +
   1.373 +
   1.374 +// Floating comparisons that can be fixed up with extra conditional jumps
   1.375 +operand cmpOpUCF2() %{
   1.376 +  match(Bool);
   1.377 +  predicate(n->as_Bool()->_test._test == BoolTest::ne ||
   1.378 +            n->as_Bool()->_test._test == BoolTest::eq);
   1.379 +  format %{ "" %}
   1.380 +  interface(COND_INTER) %{
   1.381 +    equal(0x4, "e");
   1.382 +    not_equal(0x5, "ne");
   1.383 +    less(0x2, "b");
   1.384 +    greater_equal(0x3, "nb");
   1.385 +    less_equal(0x6, "be");
   1.386 +    greater(0x7, "nbe");
   1.387    %}
   1.388  %}
   1.389  
   1.390 @@ -5796,12 +5846,12 @@
   1.391  
   1.392    format %{ "" %}
   1.393    interface(COND_INTER) %{
   1.394 -    equal(0x4);
   1.395 -    not_equal(0x5);
   1.396 -    less(0xF);
   1.397 -    greater_equal(0xE);
   1.398 -    less_equal(0xD);
   1.399 -    greater(0xC);
   1.400 +    equal(0x4, "e");
   1.401 +    not_equal(0x5, "ne");
   1.402 +    less(0xF, "g");
   1.403 +    greater_equal(0xE, "le");
   1.404 +    less_equal(0xD, "ge");
   1.405 +    greater(0xC, "l");
   1.406    %}
   1.407  %}
   1.408  
   1.409 @@ -7357,7 +7407,7 @@
   1.410    ins_pipe( pipe_cmov_reg );
   1.411  %}
   1.412  
   1.413 -instruct cmovI_regU( eRegI dst, eRegI src, eFlagsRegU cr, cmpOpU cop ) %{
   1.414 +instruct cmovI_regU( cmpOpU cop, eFlagsRegU cr, eRegI dst, eRegI src ) %{
   1.415    predicate(VM_Version::supports_cmov() );
   1.416    match(Set dst (CMoveI (Binary cop cr) (Binary dst src)));
   1.417    ins_cost(200);
   1.418 @@ -7367,6 +7417,15 @@
   1.419    ins_pipe( pipe_cmov_reg );
   1.420  %}
   1.421  
   1.422 +instruct cmovI_regUCF( cmpOpUCF cop, eFlagsRegUCF cr, eRegI dst, eRegI src ) %{
   1.423 +  predicate(VM_Version::supports_cmov() );
   1.424 +  match(Set dst (CMoveI (Binary cop cr) (Binary dst src)));
   1.425 +  ins_cost(200);
   1.426 +  expand %{
   1.427 +    cmovI_regU(cop, cr, dst, src);
   1.428 +  %}
   1.429 +%}
   1.430 +
   1.431  // Conditional move
   1.432  instruct cmovI_mem(cmpOp cop, eFlagsReg cr, eRegI dst, memory src) %{
   1.433    predicate(VM_Version::supports_cmov() );
   1.434 @@ -7379,7 +7438,7 @@
   1.435  %}
   1.436  
   1.437  // Conditional move
   1.438 -instruct cmovI_memu(cmpOpU cop, eFlagsRegU cr, eRegI dst, memory src) %{
   1.439 +instruct cmovI_memU(cmpOpU cop, eFlagsRegU cr, eRegI dst, memory src) %{
   1.440    predicate(VM_Version::supports_cmov() );
   1.441    match(Set dst (CMoveI (Binary cop cr) (Binary dst (LoadI src))));
   1.442    ins_cost(250);
   1.443 @@ -7389,6 +7448,15 @@
   1.444    ins_pipe( pipe_cmov_mem );
   1.445  %}
   1.446  
   1.447 +instruct cmovI_memUCF(cmpOpUCF cop, eFlagsRegUCF cr, eRegI dst, memory src) %{
   1.448 +  predicate(VM_Version::supports_cmov() );
   1.449 +  match(Set dst (CMoveI (Binary cop cr) (Binary dst (LoadI src))));
   1.450 +  ins_cost(250);
   1.451 +  expand %{
   1.452 +    cmovI_memU(cop, cr, dst, src);
   1.453 +  %}
   1.454 +%}
   1.455 +
   1.456  // Conditional move
   1.457  instruct cmovP_reg(eRegP dst, eRegP src, eFlagsReg cr, cmpOp cop ) %{
   1.458    predicate(VM_Version::supports_cmov() );
   1.459 @@ -7416,7 +7484,7 @@
   1.460  %}
   1.461  
   1.462  // Conditional move
   1.463 -instruct cmovP_regU(eRegP dst, eRegP src, eFlagsRegU cr, cmpOpU cop ) %{
   1.464 +instruct cmovP_regU(cmpOpU cop, eFlagsRegU cr, eRegP dst, eRegP src ) %{
   1.465    predicate(VM_Version::supports_cmov() );
   1.466    match(Set dst (CMoveP (Binary cop cr) (Binary dst src)));
   1.467    ins_cost(200);
   1.468 @@ -7426,6 +7494,15 @@
   1.469    ins_pipe( pipe_cmov_reg );
   1.470  %}
   1.471  
   1.472 +instruct cmovP_regUCF(cmpOpUCF cop, eFlagsRegUCF cr, eRegP dst, eRegP src ) %{
   1.473 +  predicate(VM_Version::supports_cmov() );
   1.474 +  match(Set dst (CMoveP (Binary cop cr) (Binary dst src)));
   1.475 +  ins_cost(200);
   1.476 +  expand %{
   1.477 +    cmovP_regU(cop, cr, dst, src);
   1.478 +  %}
   1.479 +%}
   1.480 +
   1.481  // DISABLED: Requires the ADLC to emit a bottom_type call that
   1.482  // correctly meets the two pointer arguments; one is an incoming
   1.483  // register but the other is a memory operand.  ALSO appears to
   1.484 @@ -7555,6 +7632,15 @@
   1.485    ins_pipe( pipe_slow );
   1.486  %}
   1.487  
   1.488 +instruct fcmovX_regUCF(cmpOpUCF cop, eFlagsRegUCF cr, regX dst, regX src) %{
   1.489 +  predicate (UseSSE>=1);
   1.490 +  match(Set dst (CMoveF (Binary cop cr) (Binary dst src)));
   1.491 +  ins_cost(200);
   1.492 +  expand %{
   1.493 +    fcmovX_regU(cop, cr, dst, src);
   1.494 +  %}
   1.495 +%}
   1.496 +
   1.497  // unsigned version
   1.498  instruct fcmovXD_regU(cmpOpU cop, eFlagsRegU cr, regXD dst, regXD src) %{
   1.499    predicate (UseSSE>=2);
   1.500 @@ -7573,6 +7659,15 @@
   1.501    ins_pipe( pipe_slow );
   1.502  %}
   1.503  
   1.504 +instruct fcmovXD_regUCF(cmpOpUCF cop, eFlagsRegUCF cr, regXD dst, regXD src) %{
   1.505 +  predicate (UseSSE>=2);
   1.506 +  match(Set dst (CMoveD (Binary cop cr) (Binary dst src)));
   1.507 +  ins_cost(200);
   1.508 +  expand %{
   1.509 +    fcmovXD_regU(cop, cr, dst, src);
   1.510 +  %}
   1.511 +%}
   1.512 +
   1.513  instruct cmovL_reg(cmpOp cop, eFlagsReg cr, eRegL dst, eRegL src) %{
   1.514    predicate(VM_Version::supports_cmov() );
   1.515    match(Set dst (CMoveL (Binary cop cr) (Binary dst src)));
   1.516 @@ -7595,6 +7690,15 @@
   1.517    ins_pipe( pipe_cmov_reg_long );
   1.518  %}
   1.519  
   1.520 +instruct cmovL_regUCF(cmpOpUCF cop, eFlagsRegUCF cr, eRegL dst, eRegL src) %{
   1.521 +  predicate(VM_Version::supports_cmov() );
   1.522 +  match(Set dst (CMoveL (Binary cop cr) (Binary dst src)));
   1.523 +  ins_cost(200);
   1.524 +  expand %{
   1.525 +    cmovL_regU(cop, cr, dst, src);
   1.526 +  %}
   1.527 +%}
   1.528 +
   1.529  //----------Arithmetic Instructions--------------------------------------------
   1.530  //----------Addition Instructions----------------------------------------------
   1.531  // Integer Addition Instructions
   1.532 @@ -9200,6 +9304,18 @@
   1.533    ins_pipe( pipe_slow );
   1.534  %}
   1.535  
   1.536 +instruct cmpD_cc_P6CF(eFlagsRegUCF cr, regD src1, regD src2) %{
   1.537 +  predicate(VM_Version::supports_cmov() && UseSSE <=1);
   1.538 +  match(Set cr (CmpD src1 src2));
   1.539 +  ins_cost(150);
   1.540 +  format %{ "FLD    $src1\n\t"
   1.541 +            "FUCOMIP ST,$src2  // P6 instruction" %}
   1.542 +  opcode(0xDF, 0x05); /* DF E8+i or DF /5 */
   1.543 +  ins_encode( Push_Reg_D(src1),
   1.544 +              OpcP, RegOpc(src2));
   1.545 +  ins_pipe( pipe_slow );
   1.546 +%}
   1.547 +
   1.548  // Compare & branch
   1.549  instruct cmpD_cc(eFlagsRegU cr, regD src1, regD src2, eAXRegI rax) %{
   1.550    predicate(UseSSE<=1);
   1.551 @@ -9264,6 +9380,16 @@
   1.552    ins_pipe( pipe_slow );
   1.553  %}
   1.554  
   1.555 +instruct cmpXD_ccCF(eFlagsRegUCF cr, regXD dst, regXD src) %{
   1.556 +  predicate(UseSSE>=2);
   1.557 +  match(Set cr (CmpD dst src));
   1.558 +  ins_cost(100);
   1.559 +  format %{ "COMISD $dst,$src" %}
   1.560 +  opcode(0x66, 0x0F, 0x2F);
   1.561 +  ins_encode(OpcP, OpcS, Opcode(tertiary), RegReg(dst, src));
   1.562 +  ins_pipe( pipe_slow );
   1.563 +%}
   1.564 +
   1.565  // float compare and set condition codes in EFLAGS by XMM regs
   1.566  instruct cmpXD_ccmem(eFlagsRegU cr, regXD dst, memory src, eAXRegI rax) %{
   1.567    predicate(UseSSE>=2);
   1.568 @@ -9280,6 +9406,16 @@
   1.569    ins_pipe( pipe_slow );
   1.570  %}
   1.571  
   1.572 +instruct cmpXD_ccmemCF(eFlagsRegUCF cr, regXD dst, memory src) %{
   1.573 +  predicate(UseSSE>=2);
   1.574 +  match(Set cr (CmpD dst (LoadD src)));
   1.575 +  ins_cost(100);
   1.576 +  format %{ "COMISD $dst,$src" %}
   1.577 +  opcode(0x66, 0x0F, 0x2F);
   1.578 +  ins_encode(OpcP, OpcS, Opcode(tertiary), RegMem(dst, src));
   1.579 +  ins_pipe( pipe_slow );
   1.580 +%}
   1.581 +
   1.582  // Compare into -1,0,1 in XMM
   1.583  instruct cmpXD_reg(eRegI dst, regXD src1, regXD src2, eFlagsReg cr) %{
   1.584    predicate(UseSSE>=2);
   1.585 @@ -10167,6 +10303,18 @@
   1.586    ins_pipe( pipe_slow );
   1.587  %}
   1.588  
   1.589 +instruct cmpF_cc_P6CF(eFlagsRegUCF cr, regF src1, regF src2) %{
   1.590 +  predicate(VM_Version::supports_cmov() && UseSSE == 0);
   1.591 +  match(Set cr (CmpF src1 src2));
   1.592 +  ins_cost(100);
   1.593 +  format %{ "FLD    $src1\n\t"
   1.594 +            "FUCOMIP ST,$src2  // P6 instruction" %}
   1.595 +  opcode(0xDF, 0x05); /* DF E8+i or DF /5 */
   1.596 +  ins_encode( Push_Reg_D(src1),
   1.597 +              OpcP, RegOpc(src2));
   1.598 +  ins_pipe( pipe_slow );
   1.599 +%}
   1.600 +
   1.601  
   1.602  // Compare & branch
   1.603  instruct cmpF_cc(eFlagsRegU cr, regF src1, regF src2, eAXRegI rax) %{
   1.604 @@ -10232,6 +10380,16 @@
   1.605    ins_pipe( pipe_slow );
   1.606  %}
   1.607  
   1.608 +instruct cmpX_ccCF(eFlagsRegUCF cr, regX dst, regX src) %{
   1.609 +  predicate(UseSSE>=1);
   1.610 +  match(Set cr (CmpF dst src));
   1.611 +  ins_cost(100);
   1.612 +  format %{ "COMISS $dst,$src" %}
   1.613 +  opcode(0x0F, 0x2F);
   1.614 +  ins_encode(OpcP, OpcS, RegReg(dst, src));
   1.615 +  ins_pipe( pipe_slow );
   1.616 +%}
   1.617 +
   1.618  // float compare and set condition codes in EFLAGS by XMM regs
   1.619  instruct cmpX_ccmem(eFlagsRegU cr, regX dst, memory src, eAXRegI rax) %{
   1.620    predicate(UseSSE>=1);
   1.621 @@ -10248,6 +10406,16 @@
   1.622    ins_pipe( pipe_slow );
   1.623  %}
   1.624  
   1.625 +instruct cmpX_ccmemCF(eFlagsRegUCF cr, regX dst, memory src) %{
   1.626 +  predicate(UseSSE>=1);
   1.627 +  match(Set cr (CmpF dst (LoadF src)));
   1.628 +  ins_cost(100);
   1.629 +  format %{ "COMISS $dst,$src" %}
   1.630 +  opcode(0x0F, 0x2F);
   1.631 +  ins_encode(OpcP, OpcS, RegMem(dst, src));
   1.632 +  ins_pipe( pipe_slow );
   1.633 +%}
   1.634 +
   1.635  // Compare into -1,0,1 in XMM
   1.636  instruct cmpX_reg(eRegI dst, regX src1, regX src2, eFlagsReg cr) %{
   1.637    predicate(UseSSE>=1);
   1.638 @@ -12099,6 +12267,19 @@
   1.639    ins_pc_relative(1);
   1.640  %}
   1.641  
   1.642 +instruct jmpLoopEndUCF(cmpOpUCF cop, eFlagsRegUCF cmp, label labl) %{
   1.643 +  match(CountedLoopEnd cop cmp);
   1.644 +  effect(USE labl);
   1.645 +
   1.646 +  ins_cost(200);
   1.647 +  format %{ "J$cop,u  $labl\t# Loop end" %}
   1.648 +  size(6);
   1.649 +  opcode(0x0F, 0x80);
   1.650 +  ins_encode( Jcc( cop, labl) );
   1.651 +  ins_pipe( pipe_jcc );
   1.652 +  ins_pc_relative(1);
   1.653 +%}
   1.654 +
   1.655  // Jump Direct Conditional - using unsigned comparison
   1.656  instruct jmpConU(cmpOpU cop, eFlagsRegU cmp, label labl) %{
   1.657    match(If cop cmp);
   1.658 @@ -12108,8 +12289,63 @@
   1.659    format %{ "J$cop,u  $labl" %}
   1.660    size(6);
   1.661    opcode(0x0F, 0x80);
   1.662 -  ins_encode( Jcc( cop, labl) );
   1.663 -  ins_pipe( pipe_jcc );
   1.664 +  ins_encode(Jcc(cop, labl));
   1.665 +  ins_pipe(pipe_jcc);
   1.666 +  ins_pc_relative(1);
   1.667 +%}
   1.668 +
   1.669 +instruct jmpConUCF(cmpOpUCF cop, eFlagsRegUCF cmp, label labl) %{
   1.670 +  match(If cop cmp);
   1.671 +  effect(USE labl);
   1.672 +
   1.673 +  ins_cost(200);
   1.674 +  format %{ "J$cop,u  $labl" %}
   1.675 +  size(6);
   1.676 +  opcode(0x0F, 0x80);
   1.677 +  ins_encode(Jcc(cop, labl));
   1.678 +  ins_pipe(pipe_jcc);
   1.679 +  ins_pc_relative(1);
   1.680 +%}
   1.681 +
   1.682 +instruct jmpConUCF2(cmpOpUCF2 cop, eFlagsRegUCF cmp, label labl) %{
   1.683 +  match(If cop cmp);
   1.684 +  effect(USE labl);
   1.685 +
   1.686 +  ins_cost(200);
   1.687 +  format %{ $$template
   1.688 +    if ($cop$$cmpcode == Assembler::notEqual) {
   1.689 +      $$emit$$"JP,u   $labl\n\t"
   1.690 +      $$emit$$"J$cop,u   $labl"
   1.691 +    } else {
   1.692 +      $$emit$$"JP,u   done\n\t"
   1.693 +      $$emit$$"J$cop,u   $labl\n\t"
   1.694 +      $$emit$$"done:"
   1.695 +    }
   1.696 +  %}
   1.697 +  size(12);
   1.698 +  opcode(0x0F, 0x80);
   1.699 +  ins_encode %{
   1.700 +    Label* l = $labl$$label;
   1.701 +    $$$emit8$primary;
   1.702 +    emit_cc(cbuf, $secondary, Assembler::parity);
   1.703 +    int parity_disp = -1;
   1.704 +    bool ok = false;
   1.705 +    if ($cop$$cmpcode == Assembler::notEqual) {
   1.706 +       // the two jumps 6 bytes apart so the jump distances are too
   1.707 +       parity_disp = l ? (l->loc_pos() - (cbuf.code_size() + 4)) : 0;
   1.708 +    } else if ($cop$$cmpcode == Assembler::equal) {
   1.709 +       parity_disp = 6;
   1.710 +       ok = true;
   1.711 +    } else {
   1.712 +       ShouldNotReachHere();
   1.713 +    }
   1.714 +    emit_d32(cbuf, parity_disp);
   1.715 +    $$$emit8$primary;
   1.716 +    emit_cc(cbuf, $secondary, $cop$$cmpcode);
   1.717 +    int disp = l ? (l->loc_pos() - (cbuf.code_size() + 4)) : 0;
   1.718 +    emit_d32(cbuf, disp);
   1.719 +  %}
   1.720 +  ins_pipe(pipe_jcc);
   1.721    ins_pc_relative(1);
   1.722  %}
   1.723  
   1.724 @@ -12208,7 +12444,7 @@
   1.725    effect(USE labl);
   1.726  
   1.727    ins_cost(300);
   1.728 -  format %{ "J$cop,s  $labl" %}
   1.729 +  format %{ "J$cop,s  $labl\t# Loop end" %}
   1.730    size(2);
   1.731    opcode(0x70);
   1.732    ins_encode( JccShort( cop, labl) );
   1.733 @@ -12223,6 +12459,35 @@
   1.734    effect(USE labl);
   1.735  
   1.736    ins_cost(300);
   1.737 +  format %{ "J$cop,us $labl\t# Loop end" %}
   1.738 +  size(2);
   1.739 +  opcode(0x70);
   1.740 +  ins_encode( JccShort( cop, labl) );
   1.741 +  ins_pipe( pipe_jcc );
   1.742 +  ins_pc_relative(1);
   1.743 +  ins_short_branch(1);
   1.744 +%}
   1.745 +
   1.746 +instruct jmpLoopEndUCF_short(cmpOpUCF cop, eFlagsRegUCF cmp, label labl) %{
   1.747 +  match(CountedLoopEnd cop cmp);
   1.748 +  effect(USE labl);
   1.749 +
   1.750 +  ins_cost(300);
   1.751 +  format %{ "J$cop,us $labl\t# Loop end" %}
   1.752 +  size(2);
   1.753 +  opcode(0x70);
   1.754 +  ins_encode( JccShort( cop, labl) );
   1.755 +  ins_pipe( pipe_jcc );
   1.756 +  ins_pc_relative(1);
   1.757 +  ins_short_branch(1);
   1.758 +%}
   1.759 +
   1.760 +// Jump Direct Conditional - using unsigned comparison
   1.761 +instruct jmpConU_short(cmpOpU cop, eFlagsRegU cmp, label labl) %{
   1.762 +  match(If cop cmp);
   1.763 +  effect(USE labl);
   1.764 +
   1.765 +  ins_cost(300);
   1.766    format %{ "J$cop,us $labl" %}
   1.767    size(2);
   1.768    opcode(0x70);
   1.769 @@ -12232,8 +12497,7 @@
   1.770    ins_short_branch(1);
   1.771  %}
   1.772  
   1.773 -// Jump Direct Conditional - using unsigned comparison
   1.774 -instruct jmpConU_short(cmpOpU cop, eFlagsRegU cmp, label labl) %{
   1.775 +instruct jmpConUCF_short(cmpOpUCF cop, eFlagsRegUCF cmp, label labl) %{
   1.776    match(If cop cmp);
   1.777    effect(USE labl);
   1.778  
   1.779 @@ -12247,6 +12511,46 @@
   1.780    ins_short_branch(1);
   1.781  %}
   1.782  
   1.783 +instruct jmpConUCF2_short(cmpOpUCF2 cop, eFlagsRegUCF cmp, label labl) %{
   1.784 +  match(If cop cmp);
   1.785 +  effect(USE labl);
   1.786 +
   1.787 +  ins_cost(300);
   1.788 +  format %{ $$template
   1.789 +    if ($cop$$cmpcode == Assembler::notEqual) {
   1.790 +      $$emit$$"JP,u,s   $labl\n\t"
   1.791 +      $$emit$$"J$cop,u,s   $labl"
   1.792 +    } else {
   1.793 +      $$emit$$"JP,u,s   done\n\t"
   1.794 +      $$emit$$"J$cop,u,s  $labl\n\t"
   1.795 +      $$emit$$"done:"
   1.796 +    }
   1.797 +  %}
   1.798 +  size(4);
   1.799 +  opcode(0x70);
   1.800 +  ins_encode %{
   1.801 +    Label* l = $labl$$label;
   1.802 +    emit_cc(cbuf, $primary, Assembler::parity);
   1.803 +    int parity_disp = -1;
   1.804 +    if ($cop$$cmpcode == Assembler::notEqual) {
   1.805 +      parity_disp = l ? (l->loc_pos() - (cbuf.code_size() + 1)) : 0;
   1.806 +    } else if ($cop$$cmpcode == Assembler::equal) {
   1.807 +      parity_disp = 2;
   1.808 +    } else {
   1.809 +      ShouldNotReachHere();
   1.810 +    }
   1.811 +    emit_d8(cbuf, parity_disp);
   1.812 +    emit_cc(cbuf, $primary, $cop$$cmpcode);
   1.813 +    int disp = l ? (l->loc_pos() - (cbuf.code_size() + 1)) : 0;
   1.814 +    emit_d8(cbuf, disp);
   1.815 +    assert(-128 <= disp && disp <= 127, "Displacement too large for short jmp");
   1.816 +    assert(-128 <= parity_disp && parity_disp <= 127, "Displacement too large for short jmp");
   1.817 +  %}
   1.818 +  ins_pipe(pipe_jcc);
   1.819 +  ins_pc_relative(1);
   1.820 +  ins_short_branch(1);
   1.821 +%}
   1.822 +
   1.823  // ============================================================================
   1.824  // Long Compare
   1.825  //

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