diff options
Diffstat (limited to 'lib/Target/X86')
-rw-r--r-- | lib/Target/X86/X86InstrCMovSetCC.td | 41 |
1 files changed, 40 insertions, 1 deletions
diff --git a/lib/Target/X86/X86InstrCMovSetCC.td b/lib/Target/X86/X86InstrCMovSetCC.td index 78b7507ef0..9853a0cd61 100644 --- a/lib/Target/X86/X86InstrCMovSetCC.td +++ b/lib/Target/X86/X86InstrCMovSetCC.td @@ -12,7 +12,46 @@ // //===----------------------------------------------------------------------===// -// FIXME: Someone please sprinkle some defm's in here! + +// SetCC instructions. +multiclass CMOV<bits<8> opc, string Mnemonic, PatLeaf CondNode> { + let Uses = [EFLAGS], Predicates = [HasCMov], Constraints = "$src1 = $dst", + isCommutable = 1 in { + def rr16 : I<opc, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src1, GR16:$src2), + !strconcat(Mnemonic, "{w}\t{$src2, $dst|$dst, $src2}"), + [(set GR16:$dst, + (X86cmov GR16:$src1, GR16:$src2, CondNode, EFLAGS))]>, + TB, OpSize; + def rr32 : I<opc, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2), + !strconcat(Mnemonic, "{l}\t{$src2, $dst|$dst, $src2}"), + [(set GR32:$dst, + (X86cmov GR32:$src1, GR32:$src2, CondNode, EFLAGS))]>, + TB; + def rr64 :RI<opc, MRMSrcReg, (outs GR64:$dst), (ins GR64:$src1, GR64:$src2), + !strconcat(Mnemonic, "{q}\t{$src2, $dst|$dst, $src2}"), + [(set GR64:$dst, + (X86cmov GR64:$src1, GR64:$src2, CondNode, EFLAGS))]>, + TB; + } + + let Uses = [EFLAGS], Predicates = [HasCMov], Constraints = "$src1 = $dst"in { + def rm16 : I<opc, MRMSrcMem, (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2), + !strconcat(Mnemonic, "{w}\t{$src2, $dst|$dst, $src2}"), + [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2), + CondNode, EFLAGS))]>, TB, OpSize; + def rm32 : I<opc, MRMSrcMem, (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2), + !strconcat(Mnemonic, "{l}\t{$src2, $dst|$dst, $src2}"), + [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2), + CondNode, EFLAGS))]>, TB; + def rm64 :RI<opc, MRMSrcMem, (outs GR64:$dst), (ins GR64:$src1, i64mem:$src2), + !strconcat(Mnemonic, "{q}\t{$src2, $dst|$dst, $src2}"), + [(set GR64:$dst, (X86cmov GR64:$src1, (loadi64 addr:$src2), + CondNode, EFLAGS))]>, TB; + } // Uses = [EFLAGS], Predicates = [HasCMov], Constraints = "$src1 = $dst" +} // end multiclass + +//defm CMOVBE : CMOV<0x46, "cmovbe", X86_COND_BE>; + let Constraints = "$src1 = $dst" in { |