From: Craig Topper <craig.topper@intel.com>
Date: Sat, 19 Aug 2017 22:02:02 +0000 (+0000)
Subject: [AVX512] Use alignedstore256 in a pattern that's emitting a 256-bit movaps from an... 
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=2d1cd3c597b203abc0cbafed793cc833700ba9bd;p=llvm

[AVX512] Use alignedstore256 in a pattern that's emitting a 256-bit movaps from an extract subvector operation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@311263 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/X86/X86InstrAVX512.td b/lib/Target/X86/X86InstrAVX512.td
index b423c7ed4ca..63d2ff17817 100644
--- a/lib/Target/X86/X86InstrAVX512.td
+++ b/lib/Target/X86/X86InstrAVX512.td
@@ -3721,8 +3721,8 @@ let Predicates = [HasVLX] in {
   def : Pat<(alignedstore256 (v4f64 (extract_subvector
                                      (v8f64 VR512:$src), (iPTR 0))), addr:$dst),
      (VMOVAPDZ256mr addr:$dst, (v4f64 (EXTRACT_SUBREG VR512:$src,sub_ymm)))>;
-  def : Pat<(alignedstore (v8f32 (extract_subvector
-                                  (v16f32 VR512:$src), (iPTR 0))), addr:$dst),
+  def : Pat<(alignedstore256 (v8f32 (extract_subvector
+                                     (v16f32 VR512:$src), (iPTR 0))), addr:$dst),
      (VMOVAPSZ256mr addr:$dst, (v8f32 (EXTRACT_SUBREG VR512:$src,sub_ymm)))>;
   def : Pat<(alignedstore256 (v4i64 (extract_subvector
                                      (v8i64 VR512:$src), (iPTR 0))), addr:$dst),
diff --git a/test/CodeGen/X86/avx512-extract-subvector.ll b/test/CodeGen/X86/avx512-extract-subvector.ll
index 3cc87cf513b..1b70955e62c 100644
--- a/test/CodeGen/X86/avx512-extract-subvector.ll
+++ b/test/CodeGen/X86/avx512-extract-subvector.ll
@@ -493,7 +493,7 @@ entry:
 define void @extract_subvector512_v8f32_store_lo_align_16(float* nocapture %addr, <16 x float> %a) nounwind uwtable ssp {
 ; SKX-LABEL: extract_subvector512_v8f32_store_lo_align_16:
 ; SKX:       ## BB#0: ## %entry
-; SKX-NEXT:    vmovaps %ymm0, (%rdi)
+; SKX-NEXT:    vmovups %ymm0, (%rdi)
 ; SKX-NEXT:    vzeroupper
 ; SKX-NEXT:    retq
 entry: