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Mark the divide instructions as hasSideEffects=0.

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llvm-svn: 171136
This commit is contained in:
Craig Topper 2012-12-27 03:01:18 +00:00
parent 7096eb5a5c
commit 8411715f87
1 changed files with 2 additions and 0 deletions
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2
lib/Target/X86/X86InstrArithmetic.td
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@ -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.