// These are the same as the regular MOVZX32rr8 and MOVZX32rm8
// except that they use GR32_NOREX for the output operand register class
// instead of GR32. This allows them to operate on h registers on x86-64.
+let neverHasSideEffects = 1, isCodeGenOnly = 1 in {
def MOVZX32_NOREXrr8 : I<0xB6, MRMSrcReg,
(outs GR32_NOREX:$dst), (ins GR8_NOREX:$src),
"movz{bl|x}\t{$src, $dst|$dst, $src}",
(outs GR32_NOREX:$dst), (ins i8mem_NOREX:$src),
"movz{bl|x}\t{$src, $dst|$dst, $src}",
[], IIC_MOVZX>, TB;
+}
// MOVSX64rr8 always has a REX prefix and it has an 8-bit register
// operand, which makes it a rare instruction with an 8-bit register
// printed as a separate "instruction".
if (Name.find("_Int") != Name.npos ||
- Name.find("Int_") != Name.npos ||
- Name.find("_NOREX") != Name.npos)
+ Name.find("Int_") != Name.npos)
return FILTER_STRONG;
// Filter out instructions with segment override prefixes.