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Don't produce a vmovntdq if we don't have AVX support.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131330 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola
2011-05-14 00:30:01 +00:00
parent d25d16c901
commit a3f88148e6
2 changed files with 13 additions and 1 deletions
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2
lib/Target/X86/X86InstrSSE.td
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@@ -1900,7 +1900,7 @@ let AddedComplexity = 400 in { // Prefer non-temporal versions
addr:$dst)]>, VEX; addr:$dst)]>, VEX;
def : Pat<(alignednontemporalstore (v2i64 VR128:$src), addr:$dst), def : Pat<(alignednontemporalstore (v2i64 VR128:$src), addr:$dst),
(VMOVNTDQmr addr:$dst, VR128:$src)>; (VMOVNTDQmr addr:$dst, VR128:$src)>, Requires<[HasAVX]>;
def VMOVNTPSYmr : VPSI<0x2B, MRMDestMem, (outs), def VMOVNTPSYmr : VPSI<0x2B, MRMDestMem, (outs),
(ins f256mem:$dst, VR256:$src), (ins f256mem:$dst, VR256:$src),

12
test/CodeGen/X86/movntdq-no-avx.ll Normal file
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@@ -0,0 +1,12 @@
; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu | FileCheck %s
; Test that we produce a movntdq, not a vmovntdq
; CHECK-NOT: vmovntdq
define void @test(<2 x i64>* nocapture %a, <2 x i64> %b) nounwind optsize {
entry:
store <2 x i64> %b, <2 x i64>* %a, align 16, !nontemporal !0
ret void
}
!0 = metadata !{i32 1}