diff options
Diffstat (limited to 'sysdeps/x86/fpu/bits')
| -rw-r--r-- | sysdeps/x86/fpu/bits/fenv.h | 50 |
1 files changed, 27 insertions, 23 deletions
diff --git a/sysdeps/x86/fpu/bits/fenv.h b/sysdeps/x86/fpu/bits/fenv.h index d21b312980..791ade4f1c 100644 --- a/sysdeps/x86/fpu/bits/fenv.h +++ b/sysdeps/x86/fpu/bits/fenv.h @@ -107,39 +107,43 @@ __BEGIN_DECLS /* Optimized versions. */ extern int __REDIRECT_NTH (__feraiseexcept_renamed, (int), feraiseexcept); -__extern_inline int -__NTH (feraiseexcept (int __excepts)) +__extern_always_inline void +__NTH (__feraiseexcept_invalid_divbyzero (int __excepts)) { - if (__builtin_constant_p (__excepts) - && (__excepts & ~(FE_INVALID | FE_DIVBYZERO)) == 0) + if ((FE_INVALID & __excepts) != 0) { - if ((FE_INVALID & __excepts) != 0) - { - /* One example of an invalid operation is 0.0 / 0.0. */ - float __f = 0.0; + /* One example of an invalid operation is 0.0 / 0.0. */ + float __f = 0.0; # ifdef __SSE_MATH__ - __asm__ __volatile__ ("divss %0, %0 " : : "x" (__f)); + __asm__ __volatile__ ("divss %0, %0 " : : "x" (__f)); # else - __asm__ __volatile__ ("fdiv %%st, %%st(0); fwait" - : "=t" (__f) : "0" (__f)); + __asm__ __volatile__ ("fdiv %%st, %%st(0); fwait" + : "=t" (__f) : "0" (__f)); # endif - (void) &__f; - } - if ((FE_DIVBYZERO & __excepts) != 0) - { - float __f = 1.0; - float __g = 0.0; + (void) &__f; + } + if ((FE_DIVBYZERO & __excepts) != 0) + { + float __f = 1.0; + float __g = 0.0; # ifdef __SSE_MATH__ - __asm__ __volatile__ ("divss %1, %0" : : "x" (__f), "x" (__g)); + __asm__ __volatile__ ("divss %1, %0" : : "x" (__f), "x" (__g)); # else - __asm__ __volatile__ ("fdivp %%st, %%st(1); fwait" - : "=t" (__f) : "0" (__f), "u" (__g) : "st(1)"); + __asm__ __volatile__ ("fdivp %%st, %%st(1); fwait" + : "=t" (__f) : "0" (__f), "u" (__g) : "st(1)"); # endif - (void) &__f; - } - + (void) &__f; + } +} +__extern_inline int +__NTH (feraiseexcept (int __excepts)) +{ + if (__builtin_constant_p (__excepts) + && (__excepts & ~(FE_INVALID | FE_DIVBYZERO)) == 0) + { + __feraiseexcept_invalid_divbyzero (__excepts); return 0; } |