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A real solution for the first part of PR5445

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86895 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bruno Cardoso Lopes 2009-11-11 23:09:33 +00:00
parent 1697652922
commit 9089ba8e5e
1 changed files with 6 additions and 1 deletions
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7
lib/Target/Mips/MipsInstrFPU.td
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@ -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))>;