From: raster <raster@7cbeb6ba-43b4-40fd-8cce-4c39aea84d33>
Date: Sun, 2 Oct 2011 11:29:03 +0000 (+0000)
Subject: ok. sse3 OFF for 32bit builds. as we cant guarantee the compiler and
X-Git-Tag: submit/trunk/20120815.174732~885
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=d1ca856a228cc81c7323b1d3c1f829dc73538b2f;p=profile%2Fivi%2Fevas.git

ok. sse3 OFF for 32bit builds. as we cant guarantee the compiler and
arch does sse3. the wasy sse3 is done makes this stupidly ugly. so too
bad for 32bit builds - no sse3 for u unless u specifically enable at
build time and then u have a binary that never runs on pre-sse3 chips.



git-svn-id: http://svn.enlightenment.org/svn/e/trunk/evas@63745 7cbeb6ba-43b4-40fd-8cce-4c39aea84d33
---

diff --git a/configure.ac b/configure.ac
index 411ef0e..10496b2 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1225,7 +1225,7 @@ AC_ARG_ENABLE(cpu-sse,
 build_cpu_sse3="no"
 case $host_cpu in
   i*86)
-    build_cpu_sse3="yes"
+    build_cpu_sse3="no"
     ;;
   x86_64)
     build_cpu_sse3="yes"
@@ -1236,7 +1236,7 @@ case $host_cpu in
 esac
 AC_MSG_CHECKING(whether to build sse3 code)
 AC_ARG_ENABLE(cpu-sse3,
-  AS_HELP_STRING([--enable-cpu-sse3],[enable sse3 code]),
+  AS_HELP_STRING([--enable-cpu-sse3], [enable sse3 code]),
   [
       if test "x$enableval" = "xyes" ; then
         AC_MSG_RESULT(yes)
@@ -1264,7 +1264,12 @@ AC_ARG_ENABLE(cpu-sse3,
 # person building choses to add optimization flags themselves
 # and decide the minimum baseline cpu arch is X then that's
 # their business, but NEVEr should it be done here. EVER.
-#EVAS_SSE3_CFLAGS="-msse3 "
+# i now have to do this due to the way this sse3 code wss done - using
+# intrinsics and "functions" (opcodes) and types that only compile *IF*
+# you compile with -msse3. this ALSO tries to optimize REGULAR c code
+# with sse3 asm.. and this breaks things so badly. so... sse3 will be
+# off until further notice for 32bit x86.
+EVAS_SSE3_CFLAGS="-msse3 "
 if test "x$build_cpu_sse3" = "xyes" ; then
    CFLAGS="${CFLAGS} ${EVAS_SSE3_CFLAGS}"
 fi