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| author | Xiang1 Zhang <xiang1.zhang@intel.com> | 2022-08-25 15:06:41 +0800 |
|---|---|---|
| committer | Xiang1 Zhang <xiang1.zhang@intel.com> | 2022-09-01 09:37:23 +0800 |
| commit | 2da0df5e7cac2d06e0632522a3451e3a2dbd1a37 (patch) | |
| tree | 8de47a854fa3ddbfd4e7989bd55b221318de9e85 /clang | |
| parent | 08d9912d1c599b5d79d4f2cd6f6be2cdb2bbfa83 (diff) | |
| download | llvm-2da0df5e7cac2d06e0632522a3451e3a2dbd1a37.zip llvm-2da0df5e7cac2d06e0632522a3451e3a2dbd1a37.tar.gz llvm-2da0df5e7cac2d06e0632522a3451e3a2dbd1a37.tar.bz2 | |
[X86][bugfix] redefine __SSC_MARK to escape cpp string literal concatenation problem
Reviewed By: pengfei, RKSimon
Differential Revision: https://reviews.llvm.org/D132636
Diffstat (limited to 'clang')
| -rw-r--r-- | clang/lib/Headers/x86gprintrin.h | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/clang/lib/Headers/x86gprintrin.h b/clang/lib/Headers/x86gprintrin.h index 2c2fbb9..81d7360 100644 --- a/clang/lib/Headers/x86gprintrin.h +++ b/clang/lib/Headers/x86gprintrin.h @@ -26,22 +26,19 @@ #endif #if defined(__i386__) -#define __FULLBX "ebx" +#define __SAVE_GPRBX "mov {%%ebx, %%eax |eax, ebx};" +#define __RESTORE_GPRBX "mov {%%eax, %%ebx |ebx, eax};" #define __TMPGPR "eax" #else // When in 64-bit target, the 32-bit operands generate a 32-bit result, // zero-extended to a 64-bit result in the destination general-purpose, // It means "mov x %ebx" will clobber the higher 32 bits of rbx, so we // should preserve the 64-bit register rbx. -#define __FULLBX "rbx" +#define __SAVE_GPRBX "mov {%%rbx, %%rax |rax, rbx};" +#define __RESTORE_GPRBX "mov {%%rax, %%rbx |rbx, rax};" #define __TMPGPR "rax" #endif -#define __MOVEGPR(__r1, __r2) "mov {%%"__r1 ", %%"__r2 "|"__r2 ", "__r1"};" - -#define __SAVE_GPRBX __MOVEGPR(__FULLBX, __TMPGPR) -#define __RESTORE_GPRBX __MOVEGPR(__TMPGPR, __FULLBX) - #define __SSC_MARK(__Tag) \ __asm__ __volatile__( __SAVE_GPRBX \ "mov {%0, %%ebx|ebx, %0}; " \ |