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-rw-r--r--lib/Target/X86/X86InstrArithmetic.td2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Target/X86/X86InstrArithmetic.td b/lib/Target/X86/X86InstrArithmetic.td
index d56763ea9d..3540fc3125 100644
--- a/lib/Target/X86/X86InstrArithmetic.td
+++ b/lib/Target/X86/X86InstrArithmetic.td
@@ -266,7 +266,7 @@ def IMUL64rmi8 : RIi8<0x6B, MRMSrcMem, // GR64 = [mem64]*I8
// unsigned division/remainder
-let hasSideEffects = 0 in {
+let hasSideEffects = 1 in { // so that we don't speculatively execute
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>;