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| author | Bernie Innocenti <bernie@codewiz.org> | 2010-05-03 21:53:47 (GMT) |
|---|---|---|
| committer | Bernie Innocenti <bernie@codewiz.org> | 2010-05-03 21:53:47 (GMT) |
| commit | 1030dc837b10a03a02a85d5504cbeec168ce49e2 (patch) | |
| tree | 698eefa87ac437deaf36a4141b326f8ce7986692 /src/include/gccbuild.h | |
Import XaoS r489 (trunk after version 3.5)
Diffstat (limited to 'src/include/gccbuild.h')
| -rw-r--r-- | src/include/gccbuild.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/src/include/gccbuild.h b/src/include/gccbuild.h new file mode 100644 index 0000000..11601c9 --- /dev/null +++ b/src/include/gccbuild.h @@ -0,0 +1,65 @@ +/* BUGS: + * bellow gcc 2.7.2 builtins are not supported + * gcc 2.7.2.x don't inline long doubles + * egcc 1.0.1 crash in constant propagation when certain builtins are enabled + */ + + +#ifndef __GCCBUILD +#define __GCCBUILD +#if defined(__GLIBC__) +#include "math.h" +#else +#if defined(__GNUC__) && defined(__i386__) && defined(__OPTIMIZE__) +#if 0 +#include "i386/__math.h" +#endif +#endif +#endif + +/* We really want to use builtins. Avoid any defines */ +#if defined __GNUC__ && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7)) +#define __HAVE_FABSL +#define __fabsl(x) __builtin_fabsl(x) +#define __fabs(x) __builtin_fabsl(x) +#define __fabsf(x) __builtin_fabsf(x) +#define sin(x) __builtin_sin(x) +#define cos(x) __builtin_cos(x) +#endif + + +#include "aconfig.h" + +#ifndef __HAVE_FABSL +#ifdef HAVE_FABSL +#define __fabsl fabsl +#define __HAVE_FABSL +#else +#ifdef HAVE__FABSL +#define __fabsl _fabsl +#define __HAVE_FABSL +#else +#ifdef HAVE___FABSL +#define __HAVE___FABSL +#endif +#endif +#endif +#endif + +/* GCC 2.7.x have problems with long double inlines. Disable them! */ +#if defined __GNUC__ && (__GNUC__ == 2 && __GNUC_MINOR__ <= 7) +#undef __HAVE_FABSL +#endif + +#ifdef HAVE_LONG_DOUBLE +#ifndef __HAVE_FABSL +#define myabs(x) ((x)>0?(x):-(x)) +#else +#define myabs(x) __fabsl((number_t)(x)) +#endif +#else +#define myabs(x) fabs((number_t)(x)) +#endif + + +#endif /*gccbuild */ |