diff options
| author | Diego 'Flameeyes' Pettenò <flameeyes@gmail.com> | 2006-06-17 15:20:56 +0000 |
|---|---|---|
| committer | Diego 'Flameeyes' Pettenò <flameeyes@gmail.com> | 2006-06-17 15:20:56 +0000 |
| commit | 31eee779c6802eb127e5a529410a61b719a30694 (patch) | |
| tree | 3931a34996327771da82b654163d285e311848e0 /m4 | |
| parent | c036faa947dd1a4362ca796f4240835ea404a654 (diff) | |
| download | xine-lib-31eee779c6802eb127e5a529410a61b719a30694.tar.gz xine-lib-31eee779c6802eb127e5a529410a61b719a30694.tar.bz2 | |
Fix strict aliasing rules breakages where possible, enable -fno-strict-aliasing where the breakage is unresolvable, and not enable it globally (decreases performances).
CVS patchset: 8048
CVS date: 2006/06/17 15:20:56
Diffstat (limited to 'm4')
| -rw-r--r-- | m4/optimizations.m4 | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/m4/optimizations.m4 b/m4/optimizations.m4 index 3013fcf3f..85d088079 100644 --- a/m4/optimizations.m4 +++ b/m4/optimizations.m4 @@ -22,7 +22,6 @@ AC_DEFUN([AC_OPTIMIZATIONS], [ dnl AC_TRY_CFLAGS("-mpreferred-stack-boundary=2", m_psb="-mpreferred-stack-boundary=2", m_psb="") - AC_TRY_CFLAGS("-fno-strict-aliasing", f_nsa="-fno-strict-aliasing", f_nsa="") AC_TRY_CFLAGS("-fschedule-insns2", f_si="-fschedule-insns2", f_si="") AC_TRY_CFLAGS("-mwide-multiply", m_wm="-mwide-multiply", m_wm="") dnl @@ -104,7 +103,7 @@ AC_DEFUN([AC_OPTIMIZATIONS], [ AC_TRY_CFLAGS("$sarchopt=athlon", k7cpu="athlon", k7cpu="i686") dnl add x86 specific gcc CFLAGS - CFLAGS="-O3 -pipe -fomit-frame-pointer $f_af $f_al $f_aj $m_wm $m_psb -fexpensive-optimizations $f_si $f_nsa -ffast-math $INLINE_FUNCTIONS $CFLAGS" + CFLAGS="-O3 -pipe -fomit-frame-pointer $f_af $f_al $f_aj $m_wm $m_psb -fexpensive-optimizations $f_si -ffast-math $INLINE_FUNCTIONS $CFLAGS" DEBUG_CFLAGS="-O $DEBUG_CFLAGS" @@ -188,11 +187,11 @@ AC_DEFUN([AC_OPTIMIZATIONS], [ DEBUG_CFLAGS="-O3 -mieee $DEBUG_CFLAGS" ;; *darwin*) - CFLAGS="-O3 -pipe -fomit-frame-pointer $m_wm $m_psb -fexpensive-optimizations $f_si $f_nsa -ffast-math $INLINE_FUNCTIONS -no-cpp-precomp -D_INTL_REDIRECT_MACROS $CFLAGS" + CFLAGS="-O3 -pipe -fomit-frame-pointer $m_wm $m_psb -fexpensive-optimizations $f_si -ffast-math $INLINE_FUNCTIONS -no-cpp-precomp -D_INTL_REDIRECT_MACROS $CFLAGS" DEBUG_CFLAGS="-O3 $DEBUG_CFLAGS" ;; ppc-*-linux* | powerpc-*) - CFLAGS="-O3 -pipe -fomit-frame-pointer $m_wm $m_psb -fexpensive-optimizations $f_si $f_nsa -ffast-math $INLINE_FUNCTIONS $CFLAGS" + CFLAGS="-O3 -pipe -fomit-frame-pointer $m_wm $m_psb -fexpensive-optimizations $f_si -ffast-math $INLINE_FUNCTIONS $CFLAGS" DEBUG_CFLAGS="-O3 $DEBUG_CFLAGS" ;; sparc*-*-linux*) @@ -243,7 +242,7 @@ AC_DEFUN([AC_OPTIMIZATIONS], [ DEBUG_CFLAGS="$cc_debug_cflags $DEBUG_CFLAGS" ;; x86_64-*) - CFLAGS="-O3 -fomit-frame-pointer $m_wm $m_psb -fexpensive-optimizations $f_si $f_nsa -ffast-math $INLINE_FUNCTIONS $CFLAGS" + CFLAGS="-O3 -fomit-frame-pointer $m_wm $m_psb -fexpensive-optimizations $f_si -ffast-math $INLINE_FUNCTIONS $CFLAGS" DEBUG_CFLAGS="-g $DEBUG_CFLAGS" ;; armv4l-*-linux*) |