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Disable MMX when incompatible clang is being used.
[profile/ivi/pixman.git]
/
configure.ac
diff --git
a/configure.ac
b/configure.ac
index
c3c711c
..
1ca3c02
100644
(file)
--- a/
configure.ac
+++ b/
configure.ac
@@
-297,6
+297,15
@@
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#include <mmintrin.h>
int main () {
__m64 v = _mm_cvtsi32_si64 (1);
#include <mmintrin.h>
int main () {
__m64 v = _mm_cvtsi32_si64 (1);
+ __m64 w;
+ int8_t x;
+
+ /* Some versions of clang will choke on K */
+ asm ("pshufw %2, %1, %0\n\t"
+ : "=y" (v)
+ : "y" (w), "K" (x)
+ );
+
return _mm_cvtsi64_si32 (v);
}]])], have_mmx_intrinsics=yes)
CFLAGS=$xserver_save_CFLAGS
return _mm_cvtsi64_si32 (v);
}]])], have_mmx_intrinsics=yes)
CFLAGS=$xserver_save_CFLAGS