diff options
Diffstat (limited to 'libc/sysdeps/x86')
| -rw-r--r-- | libc/sysdeps/x86/Makefile | 4 | ||||
| -rw-r--r-- | libc/sysdeps/x86/fpu/bits/fenv.h | 45 | ||||
| -rw-r--r-- | libc/sysdeps/x86/tininess.h | 1 |
3 files changed, 32 insertions, 18 deletions
diff --git a/libc/sysdeps/x86/Makefile b/libc/sysdeps/x86/Makefile new file mode 100644 index 000000000..f25d1e241 --- /dev/null +++ b/libc/sysdeps/x86/Makefile @@ -0,0 +1,4 @@ +ifeq ($(subdir),elf) +CFLAGS-.os += $(if $(filter $(@F),$(patsubst %,%.os,$(all-rtld-routines))),\ + -mno-sse -mno-mmx) +endif diff --git a/libc/sysdeps/x86/fpu/bits/fenv.h b/libc/sysdeps/x86/fpu/bits/fenv.h index b2c01c403..e0079cd97 100644 --- a/libc/sysdeps/x86/fpu/bits/fenv.h +++ b/libc/sysdeps/x86/fpu/bits/fenv.h @@ -23,17 +23,22 @@ of the appropriate bits in the FPU control word. */ enum { - FE_INVALID = 0x01, -#define FE_INVALID FE_INVALID + FE_INVALID = +#define FE_INVALID 0x01 + FE_INVALID, __FE_DENORM = 0x02, - FE_DIVBYZERO = 0x04, -#define FE_DIVBYZERO FE_DIVBYZERO - FE_OVERFLOW = 0x08, -#define FE_OVERFLOW FE_OVERFLOW - FE_UNDERFLOW = 0x10, -#define FE_UNDERFLOW FE_UNDERFLOW - FE_INEXACT = 0x20 -#define FE_INEXACT FE_INEXACT + FE_DIVBYZERO = +#define FE_DIVBYZERO 0x04 + FE_DIVBYZERO, + FE_OVERFLOW = +#define FE_OVERFLOW 0x08 + FE_OVERFLOW, + FE_UNDERFLOW = +#define FE_UNDERFLOW 0x10 + FE_UNDERFLOW, + FE_INEXACT = +#define FE_INEXACT 0x20 + FE_INEXACT }; #define FE_ALL_EXCEPT \ @@ -44,14 +49,18 @@ enum for the appropriate macros. */ enum { - FE_TONEAREST = 0, -#define FE_TONEAREST FE_TONEAREST - FE_DOWNWARD = 0x400, -#define FE_DOWNWARD FE_DOWNWARD - FE_UPWARD = 0x800, -#define FE_UPWARD FE_UPWARD - FE_TOWARDZERO = 0xc00 -#define FE_TOWARDZERO FE_TOWARDZERO + FE_TONEAREST = +#define FE_TONEAREST 0 + FE_TONEAREST, + FE_DOWNWARD = +#define FE_DOWNWARD 0x400 + FE_DOWNWARD, + FE_UPWARD = +#define FE_UPWARD 0x800 + FE_UPWARD, + FE_TOWARDZERO = +#define FE_TOWARDZERO 0xc00 + FE_TOWARDZERO }; diff --git a/libc/sysdeps/x86/tininess.h b/libc/sysdeps/x86/tininess.h new file mode 100644 index 000000000..1db37790f --- /dev/null +++ b/libc/sysdeps/x86/tininess.h @@ -0,0 +1 @@ +#define TININESS_AFTER_ROUNDING 1 |