diff options
| -rw-r--r-- | lib/Target/X86/X86InstrMMX.td | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/lib/Target/X86/X86InstrMMX.td b/lib/Target/X86/X86InstrMMX.td index 600b1e6e76..d4413e9fbc 100644 --- a/lib/Target/X86/X86InstrMMX.td +++ b/lib/Target/X86/X86InstrMMX.td @@ -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))>; + |