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Emit abs.s or abs.d only if -enable-no-nans-fp-math is supplied by user.

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Invalid operation is signaled if the operand of these instructions is NaN.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154545 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Akira Hatanaka
2012-04-11 22:49:04 +00:00
parent b318cc16c9
commit c12a6e6b53
4 changed files with 117 additions and 0 deletions
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1
lib/Target/Mips/MipsInstrFPU.td
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@@ -190,6 +190,7 @@ let Predicates = [IsFP64bit] in {
def CVT_D64_L : FFR1<0x21, 21, "cvt", "d.l", FGR64, FGR64>;
}
let Predicates = [NoNaNsFPMath] in
defm FABS : FFR1P_M<0x5, "abs", fabs>;
defm FNEG : FFR1P_M<0x7, "neg", fneg>;
defm FSQRT : FFR1P_M<0x4, "sqrt", fsqrt>;