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| author | Craig Topper <craig.topper@gmail.com> | 2012-12-27 03:01:18 +0000 |
|---|---|---|
| committer | Craig Topper <craig.topper@gmail.com> | 2012-12-27 03:01:18 +0000 |
| commit | 766cbae4b1abcaf451949370c2fae8b339a4dca8 (patch) | |
| tree | 0be3560fe28978ab6f4287c90acfb24ea578f8b4 | |
| parent | 64f824c9d181c8ee78cba5b00fa7be0e5a0900a5 (diff) | |
Mark the divide instructions as hasSideEffects=0.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171136 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/X86/X86InstrArithmetic.td | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/Target/X86/X86InstrArithmetic.td b/lib/Target/X86/X86InstrArithmetic.td index 693815d42f..d56763ea9d 100644 --- a/lib/Target/X86/X86InstrArithmetic.td +++ b/lib/Target/X86/X86InstrArithmetic.td @@ -266,6 +266,7 @@ def IMUL64rmi8 : RIi8<0x6B, MRMSrcMem, // GR64 = [mem64]*I8 // unsigned division/remainder +let hasSideEffects = 0 in { let Defs = [AL,EFLAGS,AX], Uses = [AX] in def DIV8r : I<0xF6, MRM6r, (outs), (ins GR8:$src), // AX/r8 = AL,AH "div{b}\t$src", [], IIC_DIV8_REG>; @@ -325,6 +326,7 @@ let Defs = [RAX,RDX,EFLAGS], Uses = [RAX,RDX] in // RDX:RAX/[mem64] = RAX,RDX def IDIV64m: RI<0xF7, MRM7m, (outs), (ins i64mem:$src), "idiv{q}\t$src", [], IIC_IDIV64>; } +} // hasSideEffects = 0 //===----------------------------------------------------------------------===// // Two address Instructions. |