diff options
Diffstat (limited to 'lib/msun/i387/fenv.c')
| -rw-r--r-- | lib/msun/i387/fenv.c | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/lib/msun/i387/fenv.c b/lib/msun/i387/fenv.c index 5c996b3..6f51ba2 100644 --- a/lib/msun/i387/fenv.c +++ b/lib/msun/i387/fenv.c @@ -29,8 +29,14 @@ #include <sys/cdefs.h> #include <sys/types.h> #include <machine/npx.h> + +#define __fenv_static #include "fenv.h" +#ifdef __GNUC_GNU_INLINE__ +#error "This file must be compiled with C99 'inline' semantics" +#endif + const fenv_t __fe_dfl_env = { __INITIAL_NPXCW__, 0x0000, @@ -83,6 +89,9 @@ __test_sse(void) return (0); } +extern inline int feclearexcept(int __excepts); +extern inline int fegetexceptflag(fexcept_t *__flagp, int __excepts); + int fesetexceptflag(const fexcept_t *flagp, int excepts) { @@ -114,6 +123,10 @@ feraiseexcept(int excepts) return (0); } +extern inline int fetestexcept(int __excepts); +extern inline int fegetround(void); +extern inline int fesetround(int __round); + int fegetenv(fenv_t *envp) { @@ -149,6 +162,8 @@ feholdexcept(fenv_t *envp) return (0); } +extern inline int fesetenv(const fenv_t *__envp); + int feupdateenv(const fenv_t *envp) { @@ -177,14 +192,14 @@ __feenableexcept(int mask) __stmxcsr(&mxcsr); else mxcsr = 0; - omask = (control | mxcsr >> _SSE_EMASK_SHIFT) & FE_ALL_EXCEPT; + omask = ~(control | mxcsr >> _SSE_EMASK_SHIFT) & FE_ALL_EXCEPT; control &= ~mask; __fldcw(control); if (__HAS_SSE()) { mxcsr &= ~(mask << _SSE_EMASK_SHIFT); __ldmxcsr(mxcsr); } - return (~omask); + return (omask); } int @@ -199,14 +214,14 @@ __fedisableexcept(int mask) __stmxcsr(&mxcsr); else mxcsr = 0; - omask = (control | mxcsr >> _SSE_EMASK_SHIFT) & FE_ALL_EXCEPT; + omask = ~(control | mxcsr >> _SSE_EMASK_SHIFT) & FE_ALL_EXCEPT; control |= mask; __fldcw(control); if (__HAS_SSE()) { mxcsr |= mask << _SSE_EMASK_SHIFT; __ldmxcsr(mxcsr); } - return (~omask); + return (omask); } __weak_reference(__feenableexcept, feenableexcept); |
