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Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index cae88dbee..341127c1b 100644 --- a/configure.ac +++ b/configure.ac @@ -448,6 +448,13 @@ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[asm(".align 3");]])], [AC_DEFINE([ASMALIGN_1SLN], [1], [define if '.align n' means alignment to (1 << n) - byte boundaries])]) +dnl avx instruction set support +AC_MSG_CHECKING([for AVX assembler]) +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[asm("vmovaps %ymm1, %ymm0");]])], + [AC_DEFINE([HAVE_AVX], [1], + [define if compiler supports avx inline assembler]) + AC_MSG_RESULT(yes)], [AC_MSG_RESULT(no)]) + CC_ATTRIBUTE_ALIGNED CC_ATTRIBUTE_VISIBILITY([protected], |