diff options
Diffstat (limited to 'lib/Target/X86/X86InstrFPStack.td')
| -rw-r--r-- | lib/Target/X86/X86InstrFPStack.td | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/lib/Target/X86/X86InstrFPStack.td b/lib/Target/X86/X86InstrFPStack.td index 1c76d718db..d47add6d1a 100644 --- a/lib/Target/X86/X86InstrFPStack.td +++ b/lib/Target/X86/X86InstrFPStack.td @@ -141,14 +141,16 @@ def FpGETRESULT64 : FpI_<(outs RFP64:$dst), (ins), SpecialFP, def FpGETRESULT80 : FpI_<(outs RFP80:$dst), (ins), SpecialFP, [(set RFP80:$dst, X86fpget)]>; // FPR = ST(0) +let Defs = [ST0] in { def FpSETRESULT32 : FpI_<(outs), (ins RFP32:$src), SpecialFP, - [(X86fpset RFP32:$src)]>, Imp<[], [ST0]>;// ST(0) = FPR + [(X86fpset RFP32:$src)]>;// ST(0) = FPR def FpSETRESULT64 : FpI_<(outs), (ins RFP64:$src), SpecialFP, - [(X86fpset RFP64:$src)]>, Imp<[], [ST0]>;// ST(0) = FPR + [(X86fpset RFP64:$src)]>;// ST(0) = FPR def FpSETRESULT80 : FpI_<(outs), (ins RFP80:$src), SpecialFP, - [(X86fpset RFP80:$src)]>, Imp<[], [ST0]>;// ST(0) = FPR + [(X86fpset RFP80:$src)]>;// ST(0) = FPR +} // FpI - Floating Point Psuedo Instruction template. Predicated on FPStack. // Note that f80-only instructions are used even in SSE mode and use FpI_ @@ -486,26 +488,29 @@ def UCOM_Fpr80 : FpI_<(outs), (ins RFP80:$lhs, RFP80:$rhs), CompareFP, def UCOM_FpIr80: FpI_<(outs), (ins RFP80:$lhs, RFP80:$rhs), CompareFP, [(X86cmp RFP80:$lhs, RFP80:$rhs)]>; // CC = ST(0) cmp ST(i) +let Uses = [ST0] in { def UCOM_Fr : FPI<0xE0, AddRegFrm, // FPSW = cmp ST(0) with ST(i) (outs), (ins RST:$reg), - "fucom\t$reg">, DD, Imp<[ST0],[]>; + "fucom\t$reg">, DD; def UCOM_FPr : FPI<0xE8, AddRegFrm, // FPSW = cmp ST(0) with ST(i), pop (outs), (ins RST:$reg), - "fucomp\t$reg">, DD, Imp<[ST0],[]>; + "fucomp\t$reg">, DD; def UCOM_FPPr : FPI<0xE9, RawFrm, // cmp ST(0) with ST(1), pop, pop (outs), (ins), - "fucompp">, DA, Imp<[ST0],[]>; + "fucompp">, DA; def UCOM_FIr : FPI<0xE8, AddRegFrm, // CC = cmp ST(0) with ST(i) (outs), (ins RST:$reg), - "fucomi\t{$reg, %st(0)|%ST(0), $reg}">, DB, Imp<[ST0],[]>; + "fucomi\t{$reg, %st(0)|%ST(0), $reg}">, DB; def UCOM_FIPr : FPI<0xE8, AddRegFrm, // CC = cmp ST(0) with ST(i), pop (outs), (ins RST:$reg), - "fucomip\t{$reg, %st(0)|%ST(0), $reg}">, DF, Imp<[ST0],[]>; + "fucomip\t{$reg, %st(0)|%ST(0), $reg}">, DF; +} // Floating point flag ops. +let Defs = [AX] in def FNSTSW8r : I<0xE0, RawFrm, // AX = fp flags - (outs), (ins), "fnstsw", []>, DF, Imp<[],[AX]>; + (outs), (ins), "fnstsw", []>, DF; def FNSTCW16m : I<0xD9, MRM7m, // [mem16] = X87 control world (outs), (ins i16mem:$dst), "fnstcw\t$dst", []>; |