diff options
Diffstat (limited to 'm4/optimizations.m4')
| -rw-r--r-- | m4/optimizations.m4 | 244 |
1 files changed, 0 insertions, 244 deletions
diff --git a/m4/optimizations.m4 b/m4/optimizations.m4 deleted file mode 100644 index f4880093c..000000000 --- a/m4/optimizations.m4 +++ /dev/null @@ -1,244 +0,0 @@ -dnl -dnl M4 macro to add support for extra optimizations -dnl -dnl It understand --enable/--disable-optimizations . -dnl when optimizations are disabled, it does not touch cflags -dnl -dnl Note: always disable while crosscompiling -dnl - -AC_DEFUN([AC_OPTIMIZATIONS], [ - AC_ARG_ENABLE([optimizations], - AS_HELP_STRING([--disable-optimizations], [Don't try to guess what optimization to enable])) - - if test "x$enable_optimizations" != "xno"; then - INLINE_FUNCTIONS=-finline-functions - - if test "$GCC" = yes; then - dnl - dnl check cflags not supported by all gcc versions - CC_CHECK_CFLAGS([-fschedule-insns2], f_si="-fschedule-insns2", f_si="") - CC_CHECK_CFLAGS([-mwide-multiply], m_wm="-mwide-multiply", m_wm="") - dnl - dnl gcc 3.1 uses the -f version - dnl - CC_CHECK_CFLAGS([-falign-functions=4], f_af="-falign-functions=4", - f_af="-malign-functions=4") - CC_CHECK_CFLAGS([-falign-loops=4], f_al="-falign-loops=4", - f_al="-malign-loops=4") - CC_CHECK_CFLAGS([-falign-jumps=4], f_aj="-falign-jumps=4", - f_aj="-malign-jumps=4") - dnl - dnl Check for some optimization disabling - dnl needed for win32 code - dnl - CC_CHECK_CFLAGS([-fno-omit-frame-pointer], W32_NO_OPTIMIZE="$W32_NO_OPTIMIZE -fno-omit-frame-pointer",) - CC_CHECK_CFLAGS([-fno-inline-functions], W32_NO_OPTIMIZE="$W32_NO_OPTIMIZE -fno-inline-functions",) - CC_CHECK_CFLAGS([-fno-rename-registers], W32_NO_OPTIMIZE="$W32_NO_OPTIMIZE -fno-rename-registers",) - AC_SUBST(W32_NO_OPTIMIZE) - dnl - dnl Multipass compilation - dnl - CC_CHECK_CFLAGS([-fprofile-arcs], PASS1_CFLAGS="-fprofile-arcs $PASS1_CFLAGS",) - CC_CHECK_CFLAGS([-fbranch-probabilities], PASS2_CFLAGS="-fbranch-probabilities $PASS2_CFLAGS",) - AC_SUBST(PASS1_CFLAGS) - AC_SUBST(PASS2_CFLAGS) - dnl some combinations of gcc+glibc produce useless warnings on memset - dnl when compiling with -Wpointer-arith, so we check for this first - AC_MSG_CHECKING(for sane -Wpointer-arith) - SAVE_CFLAGS="$CFLAGS" - CFLAGS="-O2 -Wpointer-arith -Werror $CFLAGS" - AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <string.h>]], [[int a; memset(&a, 0, sizeof(int));]])], - [AC_MSG_RESULT(yes); CFLAGS="-Wpointer-arith $SAVE_CFLAGS"], - [AC_MSG_RESULT(no); CFLAGS="$SAVE_CFLAGS"]); - - dnl gcc 3.3.5 (at least) is known to be buggy wrt optimisation and - dnl -finline-functions. Use -fno-inline-functions for gcc < 3.4.0. - - AC_MSG_CHECKING(for gcc 3.4.0 or later) - newGCC="`$CC -dumpversion | - awk -F. '{ if ((@S|@1 * 10000 + @S|@2 * 100 + @S|@3) >= 30400) { print "yes" } }' - `" - AC_MSG_RESULT(${newGCC:-no - assuming bugginess in -finline-functions}) - test "$newGCC" = yes || INLINE_FUNCTIONS=-fno-inline-functions - fi - - CFLAGS="$wall ${CFLAGS}" - DEBUG_CFLAGS="$wall ${DEBUG_CFLAGS}" - - case "$host_or_hostalias" in - i?86-* | k?-* | athlon-* | pentium*) - if test "$GCC" = yes -o "${CC##*/}x" = "iccx" ; then - - if test "$GCC" = yes; then - dnl Check for gcc cpu optimization support - CC_CHECK_CFLAGS("-mtune=i386", - sarchopt="-mtune", - CC_CHECK_CFLAGS("-mcpu=i386", - sarchopt="-mcpu", - CC_CHECK_CFLAGS("-march=i386", - sarchopt="-march", - [ AC_MSG_RESULT(** no cpu optimization supports **) - sarchopt=no - ] - ) - ) - ) - - dnl special check for k7 cpu CC support - CC_CHECK_CFLAGS([$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 -ffast-math $INLINE_FUNCTIONS $CFLAGS" - - DEBUG_CFLAGS="-O $DEBUG_CFLAGS" - - if test x"$sarchopt" != "xno"; then - archopt_val= - - case "$host_or_hostalias" in - i386-*) - archopt_val="i386" ;; - i486-*) - archopt_val="i486" ;; - i586-*) - archopt_val="pentium" - ;; - pentium-mmx-*) - archopt_val="pentium-mmx" - ;; - pentiumpro-* | pentium2-* | i686-*) - archopt_val="pentiumpro" - if test x"$check_athlon" = "xyes"; then - if test -f /proc/cpuinfo; then - modelname=`cat /proc/cpuinfo | grep "model\ name\ :" | sed -e 's/ //g' | cut -d':' -f2` - case "$modelname" in - *Athlon* | *Duron* | *K7*) - archopt_val="$k7cpu" - ;; - VIAEzra) - archopt_val="c3" - ;; - esac - fi - fi - ;; - k6-2-* | k6-3-*) - archopt_val="k6-2" - ;; - k6-*) - archopt_val="k6" - ;; - pentium3-*) - archopt_val="pentium3" - ;; - pentium4-*) - archopt_val="pentium4" - ;; - athlon-4-* | athlon-xp-* | athlon-mp-*) - archopt_val="athlon-4" - ;; - k7-* | athlon-tbird-* | athlon-*) - archopt_val="athlon" - ;; - - esac - if test x"$archopt_val" != x; then - CFLAGS="$sarchopt=$archopt_val $CFLAGS" - DEBUG_CFLAGS="$sarchopt=$archopt_val $DEBUG_CFLAGS" - fi - fi - else - dnl we have the Intel compiler - CFLAGS="-unroll -ipo -ipo_obj -O3 $CFLAGS" - PASS1_CFLAGS="-prof_genx -prof_dir \$(PWD)/\$(top_builddir)/ $PASS1_CFLAGS" - PASS2_CFLAGS="-prof_use -prof_dir \$(PWD)/\$(top_builddir)/ $PASS2_CFLAGS" - AC_SUBST(PASS1_CFLAGS) - AC_SUBST(PASS2_CFLAGS) - fi - - else - dnl add x86 specific cc CFLAGS - CFLAGS="-O $CFLAGS" - DEBUG_CFLAGS="-O $DEBUG_CFLAGS" - AC_DEFINE_UNQUOTED(FPM_64BIT,,[Define to select libmad fixed point arithmetic implementation]) - fi - ;; - alphaev56-*) - CFLAGS="-O3 -mcpu=ev56 -mieee $CFLAGS" - DEBUG_CFLAGS="-O3 -mcpu=ev56 -mieee $DEBUG_CFLAGS" - ;; - alpha*) - CFLAGS="-O3 -mieee $CFLAGS" - DEBUG_CFLAGS="-O3 -mieee $DEBUG_CFLAGS" - ;; - *darwin*) - 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 -ffast-math $INLINE_FUNCTIONS $CFLAGS" - DEBUG_CFLAGS="-O3 $DEBUG_CFLAGS" - ;; - sparc*-*-linux*) - CFLAGS="-O3 $cpu_cflags $INLINE_FUNCTIONS $CFLAGS" - DEBUG_CFLAGS="-O $cpu_cflags $INLINE_FUNCTIONS $DEBUG_CFLAGS" - - case `uname -m` in - sparc) - cpu_cflags="-mcpu=supersparc -mtune=supersparc" ;; - sparc64) - cpu_cflags="-mcpu=ultrasparc -mtune=ultrasparc" ;; - esac - ;; - sparc-*-solaris*) - if test "$GCC" = yes; then - case `uname -m` in - sun4c) cpu_cflags="-mcpu=v7 -mtune=supersparc" ;; - sun4m) cpu_cflags="-mcpu=v8 -mtune=supersparc" ;; - sun4u) - case `$CC --version 2>/dev/null` in - 1.*|2.*) - # -mcpu=ultrasparc triggers a GCC 2.95.x compiler bug when - # compiling video_out.c: - # gcc: Internal compiler error: program cc1 got fatal signal 11 - # avoid -mcpu=ultrasparc with gcc 2.* - cpu_cflags="-mcpu=v8 -mtune=ultrasparc" - ;; - *) - # GCC 3 or newer should have no problem with -mcpu=ultrasparc - cpu_cflags="-mcpu=ultrasparc -mtune=ultrasparc" - ;; - esac - ;; - esac - cc_optimize_cflags="-O3 $cpu_cflags $INLINE_FUNCTIONS" - cc_debug_cflags="-O $cpu_cflags $INLINE_FUNCTIONS" - else - case `uname -m` in - sun4c) cpu_cflags="-xarch=v7" ;; - sun4m) cpu_cflags="-xarch=v8" ;; - sun4u) cpu_cflags="-xarch=v8plusa" ;; - esac - cc_optimize_cflags="-fast $cpu_cflags -xCC" - cc_debug_cflags="-O" - fi - - CFLAGS="$cc_optimize_cflags $CFLAGS" - DEBUG_CFLAGS="$cc_debug_cflags $DEBUG_CFLAGS" - ;; - x86_64-*) - 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*) - CFLAGS="-O2 -fsigned-char -ffast-math -mcpu=strongarm1100 -fomit-frame-pointer -fthread-jumps -fregmove $CFLAGS" - dnl CFLAGS="-O1 -fforce-mem -fforce-addr -fthread-jumps -fcse-follow-jumps -fcse-skip-blocks -fexpensive-optimizations -fregmove -fschedule-insns2 $INLINE_FUNCTIONS -fsigned-char -fomit-frame-pointer -march=armv4 -mtune=strongarm $CFLAGS" - DEBUG_CFLAGS="-O2 $DEBUG_CFLAGS" - ;; - esac - fi -]) - -dnl Kate modeline: leave at the end -dnl kate: indent-width 2; replace-trailing-space-save 1; space-indent 1; backspace-indents 1; |