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Move PUNPCKLQDQ splat pattern close to the instruction definition and 

duplicate it for AVX mode.

llvm-svn: 139068
This commit is contained in:
Bruno Cardoso Lopes 2011-09-03 00:46:56 +00:00
parent 96b11f39e2
commit 9923c51564
1 changed files with 8 additions and 7 deletions
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15
llvm/lib/Target/X86/X86InstrSSE.td
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@ -3889,9 +3889,16 @@ let Constraints = "$src1 = $dst" in {
(v2i64 (X86Punpckhqdq VR128:$src1,
(memopv2i64 addr:$src2))))]>;
}
} // ExeDomain = SSEPackedInt
// Splat v2f64 / v2i64
let AddedComplexity = 10 in {
def : Pat<(splat_lo (v2i64 VR128:$src), (undef)),
(PUNPCKLQDQrr VR128:$src, VR128:$src)>, Requires<[HasSSE2]>;
def : Pat<(splat_lo (v2i64 VR128:$src), (undef)),
(VPUNPCKLQDQrr VR128:$src, VR128:$src)>, Requires<[HasAVX]>;
}
//===---------------------------------------------------------------------===//
// SSE2 - Packed Integer Extract and Insert
//===---------------------------------------------------------------------===//
@ -4882,12 +4889,6 @@ def : InstAlias<"monitor %eax, %ecx, %edx", (MONITORrrr)>,
def : InstAlias<"monitor %rax, %rcx, %rdx", (MONITORrrr)>,
Requires<[In64BitMode]>;
// Splat v2f64 / v2i64
let AddedComplexity = 10 in {
def : Pat<(splat_lo (v2i64 VR128:$src), (undef)),
(PUNPCKLQDQrr VR128:$src, VR128:$src)>, Requires<[HasSSE2]>;
}
// Set lowest element and zero upper elements.
def : Pat<(v2f64 (X86vzmovl (v2f64 VR128:$src))),
(MOVZPQILo2PQIrr VR128:$src)>, Requires<[HasSSE2]>;