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Fix illegal MMX_MOVDQ2Qrr pattern. vector_extract result must be a scalar value.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50291 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2008-04-25 20:12:46 +00:00
parent 10e864276b
commit 082948df9b
1 changed files with 15 additions and 2 deletions
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17
lib/Target/X86/X86InstrMMX.td
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@ -184,8 +184,9 @@ def MMX_MOVQ64mr : MMXI<0x7F, MRMDestMem, (outs), (ins i64mem:$dst, VR64:$src),
def MMX_MOVDQ2Qrr : MMXID<0xD6, MRMDestMem, (outs VR64:$dst), (ins VR128:$src),
"movdq2q\t{$src, $dst|$dst, $src}",
[(set VR64:$dst,
(v1i64 (vector_extract (v2i64 VR128:$src),
(iPTR 0))))]>;
(v1i64 (bitconvert
(i64 (vector_extract (v2i64 VR128:$src),
(iPTR 0))))))]>;
def MMX_MOVQ2DQrr : MMXIS<0xD6, MRMDestMem, (outs VR128:$dst), (ins VR64:$src),
"movq2dq\t{$src, $dst|$dst, $src}",
@ -641,3 +642,15 @@ def : Pat<(v1i64 (and (xor VR64:$src1, (bc_v1i64 (v8i8 immAllOnesV_bc))),
// Move MMX to lower 64-bit of XMM
def : Pat<(v2i64 (scalar_to_vector (i64 (bitconvert VR64:$src)))),
(v2i64 (MMX_MOVQ2DQrr VR64:$src))>;
// Move lower 64-bit of XMM to MMX.
def : Pat<(v2i32 (bitconvert (i64 (vector_extract (v2i64 VR128:$src),
(iPTR 0))))),
(v2i32 (MMX_MOVDQ2Qrr VR128:$src))>;
def : Pat<(v4i16 (bitconvert (i64 (vector_extract (v2i64 VR128:$src),
(iPTR 0))))),
(v4i16 (MMX_MOVDQ2Qrr VR128:$src))>;
def : Pat<(v8i8 (bitconvert (i64 (vector_extract (v2i64 VR128:$src),
(iPTR 0))))),
(v8i8 (MMX_MOVDQ2Qrr VR128:$src))>;