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Add more gcc compatibility names to clang's cpuid.h

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Summary:
Some cpuid bit defines are named slightly different from how gcc's
cpuid.h calls them.

Define a few more compatibility names to appease software built for gcc:

* `bit_PCLMUL`      alias of `bit_PCLMULQDQ`
* `bit_SSE4_1`      alias of `bit_SSE41`
* `bit_SSE4_2`      alias of `bit_SSE42`
* `bit_AES`         alias of `bit_AESNI`
* `bit_CMPXCHG8B`   alias of `bit_CX8`

While here, add the misssing 29th bit, `bit_F16C` (which is how gcc
calls this bit).

Reviewers: joerg, rsmith

Subscribers: bruno, cfe-commits

Differential Revision: https://reviews.llvm.org/D22010

llvm-svn: 277307
This commit is contained in:
Dimitry Andric 2016-07-31 20:23:23 +00:00
parent c0097dc7d0
commit f8099f256d
1 changed files with 7 additions and 1 deletions
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8
clang/lib/Headers/cpuid.h
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@ -82,6 +82,7 @@
/* Features in %ecx for level 1 */
#define bit_SSE3 0x00000001
#define bit_PCLMULQDQ 0x00000002
#define bit_PCLMUL bit_PCLMULQDQ /* for gcc compat */
#define bit_DTES64 0x00000004
#define bit_MONITOR 0x00000008
#define bit_DSCPL 0x00000010
@ -98,15 +99,19 @@
#define bit_PCID 0x00020000
#define bit_DCA 0x00040000
#define bit_SSE41 0x00080000
#define bit_SSE4_1 bit_SSE41 /* for gcc compat */
#define bit_SSE42 0x00100000
#define bit_SSE4_2 bit_SSE42 /* for gcc compat */
#define bit_x2APIC 0x00200000
#define bit_MOVBE 0x00400000
#define bit_POPCNT 0x00800000
#define bit_TSCDeadline 0x01000000
#define bit_AESNI 0x02000000
#define bit_AES bit_AESNI /* for gcc compat */
#define bit_XSAVE 0x04000000
#define bit_OSXSAVE 0x08000000
#define bit_AVX 0x10000000
#define bit_F16C 0x20000000
#define bit_RDRND 0x40000000
/* Features in %edx for level 1 */
@ -119,6 +124,7 @@
#define bit_PAE 0x00000040
#define bit_MCE 0x00000080
#define bit_CX8 0x00000100
#define bit_CMPXCHG8B bit_CX8 /* for gcc compat */
#define bit_APIC 0x00000200
#define bit_SEP 0x00000800
#define bit_MTRR 0x00001000
@ -133,7 +139,7 @@
#define bit_ACPI 0x00400000
#define bit_MMX 0x00800000
#define bit_FXSR 0x01000000
#define bit_FXSAVE bit_FXSR /* for gcc compat */
#define bit_FXSAVE bit_FXSR /* for gcc compat */
#define bit_SSE 0x02000000
#define bit_SSE2 0x04000000
#define bit_SS 0x08000000