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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68950 91177308-0d34-0410-b5e6-96231b3b80d8
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Dan Gohman 2009-04-13 15:13:28 +00:00
parent 73099b1058
commit 04d19f0241
1 changed files with 4 additions and 0 deletions
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lib/Target/X86/X86Instr64bit.td
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@ -255,6 +255,10 @@ def MOV64mi32 : RIi32<0xC7, MRM0m, (outs), (ins i64mem:$dst, i64i32imm:$src),
// Sign/Zero extenders
// 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
// operand that can never access an h register. If support for h registers
// were generalized, this would require a special register class.
def MOVSX64rr8 : RI<0xBE, MRMSrcReg, (outs GR64:$dst), (ins GR8 :$src),
"movs{bq|x}\t{$src, $dst|$dst, $src}",
[(set GR64:$dst, (sext GR8:$src))]>, TB;