configure.ac: enable -ffast-math and -ftree-vectorize

Allows advanced compiler optimization.

configure.ac: enable -ffast-math and -ftree-vectorize
672fc8d7 · Max Kellermann · 84ff1a68 · 672fc8d7
Commit 672fc8d7 authored Oct 30, 2013 by Max Kellermann
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configure.ac configure.ac +4 -0

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--- a/configure.ac
+++ b/configure.ac
@@ -1460,6 +1460,8 @@ dnl CFLAGS
 dnl ---------------------------------------------------------------------------

 AX_APPEND_COMPILE_FLAGS([-fvisibility=hidden])
+AX_APPEND_COMPILE_FLAGS([-ffast-math])
+AX_APPEND_COMPILE_FLAGS([-ftree-vectorize])

 AC_LANG_PUSH([C++])
 AX_APPEND_COMPILE_FLAGS([-fvisibility=hidden])
@@ -1467,6 +1469,8 @@ AX_APPEND_COMPILE_FLAGS([-fno-threadsafe-statics])
 AX_APPEND_COMPILE_FLAGS([-fmerge-all-constants])
 AX_APPEND_COMPILE_FLAGS([-fno-exceptions])
 AX_APPEND_COMPILE_FLAGS([-fno-rtti])
+AX_APPEND_COMPILE_FLAGS([-ffast-math])
+AX_APPEND_COMPILE_FLAGS([-ftree-vectorize])
 AC_LANG_POP

 dnl ---------------------------------- debug ----------------------------------