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| author | Thomas Schwinge <thomas@codesourcery.com> | 2013-05-23 23:37:00 +0200 |
|---|---|---|
| committer | Thomas Schwinge <thomas@codesourcery.com> | 2013-05-23 23:37:00 +0200 |
| commit | f9e888643115b4b2f28853ebd1733f4410fb8839 (patch) | |
| tree | 58c69f6cef623679080e8933b6c79880bfbd7cb8 /ports/sysdeps/mips/fpu_control.h | |
| parent | d78eef6ebc008f784f501ce208bef12c6eafda27 (diff) | |
| parent | b934acf0e93c5a220551ed6e686bb9d45a24a8cc (diff) | |
Merge branch 'baseline' into refs/top-bases/tschwinge/Roger_Whittaker
Diffstat (limited to 'ports/sysdeps/mips/fpu_control.h')
| -rw-r--r-- | ports/sysdeps/mips/fpu_control.h | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/ports/sysdeps/mips/fpu_control.h b/ports/sysdeps/mips/fpu_control.h index 30e54f9c3a..6aecb3bc8b 100644 --- a/ports/sysdeps/mips/fpu_control.h +++ b/ports/sysdeps/mips/fpu_control.h @@ -99,8 +99,15 @@ extern fpu_control_t __fpu_control; typedef unsigned int fpu_control_t __attribute__ ((__mode__ (__SI__))); /* Macros for accessing the hardware control word. */ -#define _FPU_GETCW(cw) __asm__ volatile ("cfc1 %0,$31" : "=r" (cw)) -#define _FPU_SETCW(cw) __asm__ volatile ("ctc1 %0,$31" : : "r" (cw)) +extern fpu_control_t __mips_fpu_getcw (void) __THROW; +extern void __mips_fpu_setcw (fpu_control_t) __THROW; +#ifdef __mips16 +# define _FPU_GETCW(cw) do { (cw) = __mips_fpu_getcw (); } while (0) +# define _FPU_SETCW(cw) __mips_fpu_setcw (cw) +#else +# define _FPU_GETCW(cw) __asm__ volatile ("cfc1 %0,$31" : "=r" (cw)) +# define _FPU_SETCW(cw) __asm__ volatile ("ctc1 %0,$31" : : "r" (cw)) +#endif /* Default control word set at startup. */ extern fpu_control_t __fpu_control; |