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-rw-r--r--lib/Target/X86/X86InstrMMX.td6
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/Target/X86/X86InstrMMX.td b/lib/Target/X86/X86InstrMMX.td
index e3cfa00..c774460 100644
--- a/lib/Target/X86/X86InstrMMX.td
+++ b/lib/Target/X86/X86InstrMMX.td
@@ -25,6 +25,8 @@
// MMXIS - MMX instructions with XS prefix.
class MMXI<bits<8> o, Format F, dag ops, string asm, list<dag> pattern>
: I<o, F, ops, asm, pattern>, TB, Requires<[HasMMX]>;
+class MMXRI<bits<8> o, Format F, dag ops, string asm, list<dag> pattern>
+ : I<o, F, ops, asm, pattern>, TB, REX_W, Requires<[HasMMX]>;
class MMX2I<bits<8> o, Format F, dag ops, string asm, list<dag> pattern>
: I<o, F, ops, asm, pattern>, TB, OpSize, Requires<[HasMMX]>;
class MMXIi8<bits<8> o, Format F, dag ops, string asm, list<dag> pattern>
@@ -183,8 +185,8 @@ def MMX_MOVD64rm : MMXI<0x6E, MRMSrcMem, (ops VR64:$dst, i32mem:$src),
def MMX_MOVD64mr : MMXI<0x7E, MRMDestMem, (ops i32mem:$dst, VR64:$src),
"movd {$src, $dst|$dst, $src}", []>;
-def MMX_MOVD64to64rr : MMXI<0x6E, MRMSrcReg, (ops VR64:$dst, GR64:$src),
- "movd {$src, $dst|$dst, $src}", []>;
+def MMX_MOVD64to64rr : MMXRI<0x6E, MRMSrcReg, (ops VR64:$dst, GR64:$src),
+ "movd {$src, $dst|$dst, $src}", []>;
def MMX_MOVQ64rr : MMXI<0x6F, MRMSrcReg, (ops VR64:$dst, VR64:$src),
"movq {$src, $dst|$dst, $src}", []>;