[PATCH] D66669: [X86] Remove what little support we had for MPX
Craig Topper via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Fri Aug 23 11:33:58 PDT 2019
craig.topper created this revision.
craig.topper added reviewers: RKSimon, spatel.
Herald added a subscriber: hiraditya.
Herald added a project: LLVM.
-Deprecate -mmpx and -mno-mpx command line options
-Remove CPUID detection of mpx for -march=native
-Remove MPX from all CPUs
-Remove __MPX__ preprocessor define
I've left the "mpx" string in the backend so we don't fail on old IR, but its not connected to anything.
gcc has also deprecated these command line options. https://www.phoronix.com/scan.php?page=news_item&px=GCC-Patch-To-Drop-MPX
https://reviews.llvm.org/D66669
Files:
clang/include/clang/Driver/Options.td
clang/lib/Basic/Targets/X86.cpp
clang/lib/Basic/Targets/X86.h
clang/test/Driver/x86-target-features.c
clang/test/Preprocessor/predefined-arch-macros.c
llvm/lib/Support/Host.cpp
llvm/lib/Target/X86/X86.td
llvm/lib/Target/X86/X86InstrInfo.td
llvm/lib/Target/X86/X86InstrMPX.td
llvm/lib/Target/X86/X86Subtarget.h
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