[PATCH] D73126: [X86] Generate unaligned access for fixed slots in unaligned stack

[Reid Kleckner via Phabricator via llvm-commits]

rnk added inline comments.


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Comment at: llvm/test/CodeGen/X86/avx512-intel-ocl.ll:263-264
+; WIN64-SKX-NEXT:    vmovups %zmm7, {{[-0-9]+}}(%r{{[sb]}}p) # 64-byte Spill
+; WIN64-SKX-NEXT:    vmovups %zmm6, {{[-0-9]+}}(%r{{[sb]}}p) # 64-byte Spill
 ; WIN64-SKX-NEXT:    andq $-64, %rsp
 ; WIN64-SKX-NEXT:    vmovaps %zmm1, {{[0-9]+}}(%rsp)
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Is there some reason we are using fixed objects for these spills? We could use unfixed objects and store them relative to the aligned RSP after this alignment here. It's a big change, but it seems like the code would be better.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D73126/new/

https://reviews.llvm.org/D73126