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author	Tianqing Wang <tianqing.wang@intel.com>
	Mon, 6 Sep 2021 05:55:17 +0000 (13:55 +0800)
committer	Tianqing Wang <tianqing.wang@intel.com>
	Mon, 6 Sep 2021 09:24:30 +0000 (17:24 +0800)
commit	12fa608af44a80de8b655a8a984cd095908e7e80
tree	2684e19f9f51a0a909caff90ac78809644fe4705	tree \| snapshot
parent	cc9260a0fb7c42ac8a8bb87eac1e11900c25ed20	commit \| diff

[X86] Add CRC32 feature.

d8faf03807ac implemented general-regs-only for X86 by disabling all features
with vector instructions. But the CRC32 instruction in SSE4.2 ISA, which uses
only GPRs, also becomes unavailable. This patch adds a CRC32 feature for this
instruction and allows it to be used with general-regs-only.

Reviewed By: pengfei

Differential Revision: https://reviews.llvm.org/D105462

35 files changed:

clang/docs/ClangCommandLineReference.rst		diff \| blob \| history
clang/include/clang/Basic/BuiltinsX86.def		diff \| blob \| history
clang/include/clang/Basic/BuiltinsX86_64.def		diff \| blob \| history
clang/include/clang/Driver/Options.td		diff \| blob \| history
clang/lib/Basic/Targets/X86.cpp		diff \| blob \| history
clang/lib/Basic/Targets/X86.h		diff \| blob \| history
clang/lib/Headers/CMakeLists.txt		diff \| blob \| history
clang/lib/Headers/crc32intrin.h	[new file with mode: 0644]	blob
clang/lib/Headers/ia32intrin.h		diff \| blob \| history
clang/lib/Headers/smmintrin.h		diff \| blob \| history
clang/lib/Headers/x86gprintrin.h		diff \| blob \| history
clang/test/CodeGen/X86/x86-crc-builtins.c		diff \| blob \| history
clang/test/CodeGen/attr-cpuspecific.c		diff \| blob \| history
clang/test/CodeGen/attr-target-crc32-x86.c	[new file with mode: 0644]	blob
clang/test/CodeGen/attr-target-x86.c		diff \| blob \| history
clang/test/Driver/x86-mcrc32.c	[new file with mode: 0644]	blob
clang/test/Driver/x86-mgeneral-regs-only-crc32.c	[new file with mode: 0644]	blob
clang/test/Driver/x86-target-features.c		diff \| blob \| history
clang/test/Preprocessor/x86_target_features.c		diff \| blob \| history
llvm/include/llvm/Support/X86TargetParser.def		diff \| blob \| history
llvm/lib/Support/Host.cpp		diff \| blob \| history
llvm/lib/Support/X86TargetParser.cpp		diff \| blob \| history
llvm/lib/Target/X86/X86.td		diff \| blob \| history
llvm/lib/Target/X86/X86InstrFormats.td		diff \| blob \| history
llvm/lib/Target/X86/X86InstrInfo.td		diff \| blob \| history
llvm/lib/Target/X86/X86InstrSSE.td		diff \| blob \| history
llvm/lib/Target/X86/X86Subtarget.h		diff \| blob \| history
llvm/test/CodeGen/X86/crc32-intrinsics-fast-isel-x86_64.ll	[moved from llvm/test/CodeGen/X86/sse42-intrinsics-fast-isel-x86_64.ll with 85% similarity]	diff \| blob \| history
llvm/test/CodeGen/X86/crc32-intrinsics-x86.ll	[new file with mode: 0644]	blob
llvm/test/CodeGen/X86/crc32-intrinsics-x86_64.ll	[moved from llvm/test/CodeGen/X86/sse42-intrinsics-x86_64.ll with 74% similarity]	diff \| blob \| history
llvm/test/CodeGen/X86/crc32-target-feature.ll	[new file with mode: 0644]	blob
llvm/test/CodeGen/X86/function-subtarget-features.ll		diff \| blob \| history
llvm/test/CodeGen/X86/sse42-intrinsics-fast-isel.ll		diff \| blob \| history
llvm/test/CodeGen/X86/sse42-intrinsics-x86.ll		diff \| blob \| history
llvm/test/CodeGen/X86/stack-folding-int-sse42.ll		diff \| blob \| history

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