================ @@ -6,16 +6,11 @@ ; RUN: llc < %s -mtriple=i686-- -mcpu=slm | FileCheck %s -check-prefix=X86-PRFCHWSSE ; RUN: llc < %s -mtriple=i686-- -mcpu=btver2 | FileCheck %s -check-prefix=X86-PRFCHWSSE ; RUN: llc < %s -mtriple=i686-- -mcpu=btver2 -mattr=-prfchw | FileCheck %s -check-prefix=X86-SSE -; RUN: llc < %s -mtriple=i686-- -mattr=+3dnow | FileCheck %s -check-prefix=X86-3DNOW -; RUN: llc < %s -mtriple=i686-- -mattr=+3dnow,+prfchw | FileCheck %s -check-prefix=X86-3DNOW +; RUN: llc < %s -mtriple=i686-- -mattr=+prfchw | FileCheck %s -check-prefix=X86-PRFCHWSSE ; Rules: -; 3dnow by itself get you just the single prefetch instruction with no hints ; sse provides prefetch0/1/2/nta -; supporting prefetchw, but not 3dnow implicitly provides prefetcht0/1/2/nta regardless of sse setting as we need something to fall back to for the non-write hint. -; 3dnow prefetch instruction will only get used if you have no other prefetch instructions enabled - -; rdar://10538297 +; supporting prefetchw implicitly provides prefetcht0/1/2/nta as well, as we need something to fall back to for the non-write hint. ---------------- topperc wrote:
Do we have a test for this comment? https://github.com/llvm/llvm-project/pull/96246 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
