From d0aa7016ee1a95849a5a448083d8f8e675d80b5b Mon Sep 17 00:00:00 2001 From: Bernhard Reutner-Fischer Date: Wed, 9 Feb 2011 20:21:12 +0100 Subject: i386: extend IMA guards to also cover LTO See GCC PR47577; TODO: Remove them. Signed-off-by: Bernhard Reutner-Fischer --- libc/sysdeps/linux/i386/bits/syscalls.h | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) (limited to 'libc/sysdeps/linux/i386') 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 ); -- cgit v1.2.3