diff options
| author | Bernhard Reutner-Fischer <rep.dot.nop@gmail.com> | 2011-02-09 20:21:12 +0100 |
|---|---|---|
| committer | Bernhard Reutner-Fischer <rep.dot.nop@gmail.com> | 2011-02-09 20:21:12 +0100 |
| commit | d0aa7016ee1a95849a5a448083d8f8e675d80b5b (patch) | |
| tree | 0e4d7b336cb0fbf545602f5698e95e09dae49d67 /libc | |
| parent | 9a9a6365d5c5abb0fe3ec6cc09542e9c7e1d3bec (diff) | |
i386: extend IMA guards to also cover LTO
See GCC PR47577; TODO: Remove them.
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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 ); |