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authorAnthony Green <green@moxielogic.com>2018-03-18 13:32:03 -0400
committerAnthony Green <green@moxielogic.com>2018-03-18 13:32:03 -0400
commit81d345b2cff039c4389fad283a108ad978b609e0 (patch)
treeb39504ca5e20f2e1575a7e805de54dfa2480e064 /m4/ax_cc_maxopt.m4
parent369ef49f71186fc9d6ab15614488ad466fac3fc1 (diff)
downloadlibffi-81d345b2cff039c4389fad283a108ad978b609e0.tar.gz
Update autoconf archive macros
Diffstat (limited to 'm4/ax_cc_maxopt.m4')
-rw-r--r--m4/ax_cc_maxopt.m430
1 files changed, 21 insertions, 9 deletions
diff --git a/m4/ax_cc_maxopt.m4 b/m4/ax_cc_maxopt.m4
index 62e3b53..59d03da 100644
--- a/m4/ax_cc_maxopt.m4
+++ b/m4/ax_cc_maxopt.m4
@@ -1,5 +1,5 @@
# ===========================================================================
-# http://www.gnu.org/software/autoconf-archive/ax_cc_maxopt.html
+# https://www.gnu.org/software/autoconf-archive/ax_cc_maxopt.html
# ===========================================================================
#
# SYNOPSIS
@@ -40,7 +40,7 @@
# Public License for more details.
#
# You should have received a copy of the GNU General Public License along
-# with this program. If not, see <http://www.gnu.org/licenses/>.
+# with this program. If not, see <https://www.gnu.org/licenses/>.
#
# As a special exception, the respective Autoconf Macro's copyright owner
# gives unlimited permission to copy, distribute and modify the configure
@@ -55,7 +55,7 @@
# modified version of the Autoconf Macro, you may extend this special
# exception to the GPL to apply to your modified version as well.
-#serial 13
+#serial 17
AC_DEFUN([AX_CC_MAXOPT],
[
@@ -115,11 +115,19 @@ if test "$ac_test_CFLAGS" != "set"; then
AX_GCC_X86_CPUID(0)
AX_GCC_X86_CPUID(1)
case $ax_cv_gcc_x86_cpuid_0 in # see AX_GCC_ARCHFLAG
- *:756e6547:*:*) # Intel
+ *:756e6547:6c65746e:49656e69) # Intel
case $ax_cv_gcc_x86_cpuid_1 in
- *6a?:*[[234]]:*:*|*6[[789b]]?:*:*:*) icc_flags="-xK";;
- *f3[[347]]:*:*:*|*f4[1347]:*:*:*) icc_flags="-xP -xN -xW -xK";;
- *f??:*:*:*) icc_flags="-xN -xW -xK";;
+ *0?6[[78ab]]?:*:*:*|?6[[78ab]]?:*:*:*|6[[78ab]]?:*:*:*) icc_flags="-xK" ;;
+ *0?6[[9d]]?:*:*:*|?6[[9d]]?:*:*:*|6[[9d]]?:*:*:*|*1?65?:*:*:*) icc_flags="-xSSE2 -xB -xK" ;;
+ *0?6e?:*:*:*|?6e?:*:*:*|6e?:*:*:*) icc_flags="-xSSE3 -xP -xO -xB -xK" ;;
+ *0?6f?:*:*:*|?6f?:*:*:*|6f?:*:*:*|*1?66?:*:*:*) icc_flags="-xSSSE3 -xT -xB -xK" ;;
+ *1?6[[7d]]?:*:*:*) icc_flags="-xSSE4.1 -xS -xT -xB -xK" ;;
+ *1?6[[aef]]?:*:*:*|*2?6[[5cef]]?:*:*:*) icc_flags="-xSSE4.2 -xS -xT -xB -xK" ;;
+ *2?6[[ad]]?:*:*:*) icc_flags="-xAVX -SSE4.2 -xS -xT -xB -xK" ;;
+ *3?6[[ae]]?:*:*:*) icc_flags="-xCORE-AVX-I -xAVX -SSE4.2 -xS -xT -xB -xK" ;;
+ *3?6[[cf]]?:*:*:*|*4?6[[56]]?:*:*:*) icc_flags="-xCORE-AVX2 -xCORE-AVX-I -xAVX -SSE4.2 -xS -xT -xB -xK" ;;
+ *000?f[[346]]?:*:*:*|?f[[346]]?:*:*:*|f[[346]]?:*:*:*) icc_flags="-xSSE3 -xP -xO -xN -xW -xK" ;;
+ *00??f??:*:*:*|??f??:*:*:*|?f??:*:*:*|f??:*:*:*) icc_flags="-xSSE2 -xN -xW -xK" ;;
esac ;;
esac ;;
esac
@@ -141,8 +149,7 @@ if test "$ac_test_CFLAGS" != "set"; then
CFLAGS="-O3 -fomit-frame-pointer"
# -malign-double for x86 systems
- # LIBFFI -- DON'T DO THIS - CHANGES ABI
- # AX_CHECK_COMPILE_FLAG(-malign-double, CFLAGS="$CFLAGS -malign-double")
+ AX_CHECK_COMPILE_FLAG(-malign-double, CFLAGS="$CFLAGS -malign-double")
# -fstrict-aliasing for gcc-2.95+
AX_CHECK_COMPILE_FLAG(-fstrict-aliasing,
@@ -153,6 +160,11 @@ if test "$ac_test_CFLAGS" != "set"; then
AX_GCC_ARCHFLAG($acx_maxopt_portable)
;;
+
+ microsoft)
+ # default optimization flags for MSVC opt builds
+ CFLAGS="-O2"
+ ;;
esac
if test -z "$CFLAGS"; then