diff options
Diffstat (limited to 'lib/Target/Mips/MipsInstrFPU.td')
-rw-r--r-- | lib/Target/Mips/MipsInstrFPU.td | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/lib/Target/Mips/MipsInstrFPU.td b/lib/Target/Mips/MipsInstrFPU.td index 8fa1c65..b7d02bc 100644 --- a/lib/Target/Mips/MipsInstrFPU.td +++ b/lib/Target/Mips/MipsInstrFPU.td @@ -281,10 +281,15 @@ def MOVCCRToCCR : MipsPseudo<(outs CCR:$dst), (ins CCR:$src), // Floating Point Patterns //===----------------------------------------------------------------------===// def fpimm0 : PatLeaf<(fpimm), [{ - return N->isExactlyValue(+0.0) || N->isExactlyValue(-0.0); + 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))>; |