| commit | ceb9c79365c6eb4971effbb28c118874ae83410e | |
| author | Thomas Gleixner <tglx@linutronix.de> | |
| Sat, 28 Nov 2009 14:03:03 +0000 (28 15:03 +0100) | ||
| committer | Greg Kroah-Hartman <gregkh@suse.de> | |
| Fri, 18 Dec 2009 22:03:41 +0000 (18 14:03 -0800) | ||
| tree | 13a4cb8a84125f6a9ca888869bf28594857e674e | treesnapshot (tar.gz zip) |
| parent | 8de7f4a42cbdaa15a05b22fcfa01d38b6f8e0f5b | commitdiff |
x86: Use -maccumulate-outgoing-args for sane mcount prologues
commit b8b7d791a8ff01d2380089279a69afa99115fb23 upstream.
commit 746357d (x86: Prevent GCC 4.4.x (pentium-mmx et al) function
prologue wreckage) uses -mtune=generic to work around the function
prologue problem with mcount on -march=pentium-mmx and others.
Jakub pointed out that we can use -maccumulate-outgoing-args instead
which is selected by -mtune=generic and prevents the problem without
losing the -march specific optimizations.
Pointed-out-by: Jakub Jelinek <jakub@redhat.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
commit b8b7d791a8ff01d2380089279a69afa99115fb23 upstream.
commit 746357d (x86: Prevent GCC 4.4.x (pentium-mmx et al) function
prologue wreckage) uses -mtune=generic to work around the function
prologue problem with mcount on -march=pentium-mmx and others.
Jakub pointed out that we can use -maccumulate-outgoing-args instead
which is selected by -mtune=generic and prevents the problem without
losing the -march specific optimizations.
Pointed-out-by: Jakub Jelinek <jakub@redhat.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| arch/x86/Makefile_32.cpu | diffblobblamehistory |