[PATCH] D104903: [X86] Limit the scaled element type to i64/f64

Pengfei Wang via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Sun Jun 27 02:57:51 PDT 2021


pengfei added inline comments.


================
Comment at: llvm/test/CodeGen/X86/packss.ll:373
 ; AVX2-NEXT:    vpacksswb %ymm0, %ymm1, %ymm0
-; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,0,2,3]
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,1,0,3]
 ; AVX2-NEXT:    ret{{[l|q]}}
----------------
This is a bug. Verified here https://godbolt.org/z/x5Kns4Mha


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D104903/new/

https://reviews.llvm.org/D104903



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