diff options
Diffstat (limited to 'lib/Target/Mips/MipsInstrFPU.td')
| -rw-r--r-- | lib/Target/Mips/MipsInstrFPU.td | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/lib/Target/Mips/MipsInstrFPU.td b/lib/Target/Mips/MipsInstrFPU.td index bd61738..ce89cfd 100644 --- a/lib/Target/Mips/MipsInstrFPU.td +++ b/lib/Target/Mips/MipsInstrFPU.td @@ -48,6 +48,7 @@ let PrintMethod = "printFCCOperand" in def In32BitMode : Predicate<"!Subtarget.isFP64bit()">; def IsSingleFloat : Predicate<"Subtarget.isSingleFloat()">; def IsNotSingleFloat : Predicate<"!Subtarget.isSingleFloat()">; +def IsNotMipsI : Predicate<"!Subtarget.isMips1()">; //===----------------------------------------------------------------------===// // Instruction Class Templates @@ -173,7 +174,7 @@ let fd = 0 in { } /// Floating Point Memory Instructions -let Predicates = [IsNotSingleFloat] in { +let Predicates = [IsNotSingleFloat, IsNotMipsI] in { def LDC1 : FFI<0b110101, (outs AFGR64:$ft), (ins mem:$addr), "ldc1 $ft, $addr", [(set AFGR64:$ft, (load addr:$addr))]>; @@ -284,7 +285,12 @@ def fpimm0 : PatLeaf<(fpimm), [{ return N->isExactlyValue(+0.0); }]>; +def fpimm0neg : PatLeaf<(fpimm), [{ + return N->isExactlyValue(-0.0); +}]>; + def : Pat<(f32 fpimm0), (MTC1 ZERO)>; +def : Pat<(f32 fpimm0neg), (FNEG_S32 (MTC1 ZERO))>; def : Pat<(f32 (sint_to_fp CPURegs:$src)), (CVTS_W32 (MTC1 CPURegs:$src))>; def : Pat<(f64 (sint_to_fp CPURegs:$src)), (CVTD_W32 (MTC1 CPURegs:$src))>; |
