Author: Xiang1 Zhang Date: 2022-09-01T09:37:23+08:00 New Revision: 2da0df5e7cac2d06e0632522a3451e3a2dbd1a37
URL: https://github.com/llvm/llvm-project/commit/2da0df5e7cac2d06e0632522a3451e3a2dbd1a37 DIFF: https://github.com/llvm/llvm-project/commit/2da0df5e7cac2d06e0632522a3451e3a2dbd1a37.diff LOG: [X86][bugfix] redefine __SSC_MARK to escape cpp string literal concatenation problem Reviewed By: pengfei, RKSimon Differential Revision: https://reviews.llvm.org/D132636 Added: Modified: clang/lib/Headers/x86gprintrin.h Removed: ################################################################################ diff --git a/clang/lib/Headers/x86gprintrin.h b/clang/lib/Headers/x86gprintrin.h index 2c2fbb97c9ac8..81d736086cf5d 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}; " \ _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
