diff options
| author | Denis Vlasenko <vda.linux@googlemail.com> | 2008-12-13 03:34:47 +0000 |
|---|---|---|
| committer | Denis Vlasenko <vda.linux@googlemail.com> | 2008-12-13 03:34:47 +0000 |
| commit | 5196e42e69782490d2cd1e2d74c0173629eab5e7 (patch) | |
| tree | e4f6a5fe4a67836f89e7bd9304f2fe15b1a67c17 /Rules.mak | |
| parent | 12632ad75678e42011af59aaec5e64a4a202d0dd (diff) | |
Make it again possible to have compact and small stack usage
on non-SSE capable processors. I'm doing it the second time.
text data bss dec hex filename
238539 1367 11280 251186 3d532 uClibc.z2/lib/libuClibc-0.9.30-svn.so
229457 1367 11280 242104 3b1b8 uClibc.z3/lib/libuClibc-0.9.30-svn.so
Diffstat (limited to 'Rules.mak')
| -rw-r--r-- | Rules.mak | 8 |
1 files changed, 6 insertions, 2 deletions
@@ -179,11 +179,15 @@ PIEFLAG_NAME:=-fPIE ifeq ($(TARGET_ARCH),i386) OPTIMIZATION+=$(call check_gcc,-fomit-frame-pointer,) +ifeq ($(CONFIG_386)$(CONFIG_486)$(CONFIG_586)$(CONFIG_586MMX),y) + # Non-SSE capable processor. # NB: this may make SSE insns segfault! # -O1 -march=pentium3, -Os -msse etc are known to be affected. - # TODO: conditionally bump to 4 - # (see http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13685) + # See http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13685 + OPTIMIZATION+=$(call check_gcc,-mpreferred-stack-boundary=2,) +else OPTIMIZATION+=$(call check_gcc,-mpreferred-stack-boundary=4,) +endif # Choice of alignment (please document why!) # -falign-labels: in-line labels |