[PATCH] D41484: [X86][SSE] Use PMADDWD for v4i32 multiplies with 17 or more leading zeros

[Craig Topper via Phabricator via llvm-commits]

craig.topper added inline comments.


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Comment at: test/CodeGen/X86/shrink_vmul.ll:1
 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
 ; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=+sse2 | FileCheck %s --check-prefix=X86
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Why doesn't this test have any avx command lines. I assume some of the unpcks in the modified test case would be a zero extend on newer feature sets?


Repository:
  rL LLVM

https://reviews.llvm.org/D41484