[PATCH] D86855: Convert __m64 intrinsics to unconditionally use SSE2 instead of MMX instructions.

James Y Knight via Phabricator via cfe-commits cfe-commits at lists.llvm.org
Sun Aug 30 15:29:30 PDT 2020


jyknight created this revision.
jyknight added reviewers: craig.topper, spatel, RKSimon.
Herald added subscribers: cfe-commits, danielkiss.
Herald added a project: clang.
jyknight requested review of this revision.

Preliminary patch, posted to go along with discussion on llvm-dev.

3DNow! intrinsics are not converted, as of yet.

Tests have not been updated to match new expected IR output. Currently failing:
 Clang :: CodeGen/attr-target-x86-mmx.c
 Clang :: CodeGen/mmx-builtins.c
 Clang :: CodeGen/mmx-shift-with-immediate.c
 Clang :: Headers/xmmintrin.c


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D86855

Files:
  clang/lib/Headers/emmintrin.h
  clang/lib/Headers/mmintrin.h
  clang/lib/Headers/tmmintrin.h
  clang/lib/Headers/xmmintrin.h
  clang/test/Sema/x86-builtin-palignr.c

-------------- next part --------------
A non-text attachment was scrubbed...
Name: D86855.288876.patch
Type: text/x-patch
Size: 66029 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/cfe-commits/attachments/20200830/2dce1054/attachment-0001.bin>


More information about the cfe-commits mailing list