diff options
| author | Guy Harris <guy@alum.mit.edu> | 2015-01-20 23:27:08 -0800 |
|---|---|---|
| committer | Guy Harris <guy@alum.mit.edu> | 2015-01-21 07:27:40 +0000 |
| commit | bc862577509b5b14e5fc2413425b7b0b09f17828 (patch) | |
| tree | ff6af9ee47b19a99fb389b8c5014dd244780f51d /configure.ac | |
| parent | db6f7339f712ba3ac4662a7e554b851afc7df6aa (diff) | |
Also support -xarch=sse_42 in the Sun C compiler for x86(-64).
Change-Id: Ib6d0ae9c237b96568e2522d2077b311b3ac5af2e
Reviewed-on: https://code.wireshark.org/review/6706
Reviewed-by: Guy Harris <guy@alum.mit.edu>
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 27 |
1 files changed, 25 insertions, 2 deletions
diff --git a/configure.ac b/configure.ac index 3b36e0cf5a..424a73c8c6 100644 --- a/configure.ac +++ b/configure.ac @@ -1081,13 +1081,36 @@ AC_WIRESHARK_COMPILER_FLAGS_CHECK(-msse4.2, C) if test "x$CFLAGS" != "x$CFLAGS_before_simd" then # + # The compiler supports -msse4.2; use that to enable SSE 4.2. + # # Restore CFLAGS. We only want to apply -msse4.2 to # wsutil/ws_mempbrk_sse42.c, as the SSE4.2 code there # is run only if the hardware supports it, but other # code would do no such checks. # CFLAGS="$CFLAGS_before_simd" + ac_sse4_2_flag=-msse4.2 +else + # + # Try -xarch=sse4_2; that's the flag for Sun's compiler. + # + AC_WIRESHARK_COMPILER_FLAGS_CHECK(-xarch=sse4_2, C) + if test "x$CFLAGS" != "x$CFLAGS_before_simd" + then + # + # The compiler supports -xarch=sse4_2; use that to + # enable SSE 4.2. + # + # Restore CFLAGS; see above. + # + CFLAGS="$CFLAGS_before_simd" + ac_sse4_2_flag=-xarch=sse4_2 + fi +fi +if test "x$ac_sse4_2_flag" != x; then + # + # OK, we have a compiler flag to enable SSE 4.2. # # Make sure we have the necessary header for the SSE4.2 intrinsics # and that we can use it. @@ -1103,14 +1126,14 @@ then # in the environment will come later and override it. # saved_CFLAGS="$CFLAGS" - CFLAGS="-msse4.2 $CFLAGS" + CFLAGS="$ac_sse4_2_flag $CFLAGS" AC_TRY_COMPILE( [#include <nmmintrin.h>], [return 0;], [ have_sse42=yes AC_DEFINE(HAVE_SSE4_2, 1, [Support SSSE4.2 (Streaming SIMD Extensions 4.2) instructions]) - CFLAGS_SSE42="-msse4.2" + CFLAGS_SSE42="$ac_sse4_2_flag" AC_MSG_RESULT([yes]) ], [ |