diff options
Diffstat (limited to 'libc')
| -rw-r--r-- | libc/sysdeps/linux/i386/bits/syscalls.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/libc/sysdeps/linux/i386/bits/syscalls.h b/libc/sysdeps/linux/i386/bits/syscalls.h index 9184bd6c3..eeafb3a48 100644 --- a/libc/sysdeps/linux/i386/bits/syscalls.h +++ b/libc/sysdeps/linux/i386/bits/syscalls.h @@ -43,9 +43,12 @@ /* We need some help from the assembler to generate optimal code. * We define some macros here which later will be used. */ +/* gcc>=4.6 with LTO need the same guards as IMA (a.k.a --combine) did. + * See gcc.gnu.org/PR47577 */ +/* FIXME: drop these b* macros! */ __asm__ ( -#ifdef __DOMULTI__ +#if defined __DOMULTI__ || __GNUC_PREREQ (4, 6) /* Protect against asm macro redefinition (happens in __DOMULTI__ mode). * Unfortunately, it ends up visible in .o files. */ ".ifndef _BITS_SYSCALLS_ASM\n\t" @@ -92,7 +95,7 @@ __asm__ ( ".endif\n\t" ".endm\n\t" -#ifdef __DOMULTI__ +#if defined __DOMULTI__ || __GNUC_PREREQ (4, 6) ".endif\n\t" /* _BITS_SYSCALLS_ASM */ #endif ); |