diff options
Diffstat (limited to 'sysdeps/powerpc/fpu/bits')
| -rw-r--r-- | sysdeps/powerpc/fpu/bits/fenv.h | 46 |
1 files changed, 26 insertions, 20 deletions
diff --git a/sysdeps/powerpc/fpu/bits/fenv.h b/sysdeps/powerpc/fpu/bits/fenv.h index f86d02d014..459821f481 100644 --- a/sysdeps/powerpc/fpu/bits/fenv.h +++ b/sysdeps/powerpc/fpu/bits/fenv.h @@ -86,7 +86,7 @@ enum # define FE_INVALID_SQRT FE_INVALID_SQRT /* Conversion-to-integer of a NaN or a number too large or too small. */ - FE_INVALID_INTEGER_CONVERSION = 1 << (31 - 23), + FE_INVALID_INTEGER_CONVERSION = 1 << (31 - 23) # define FE_INVALID_INTEGER_CONVERSION FE_INVALID_INTEGER_CONVERSION # define FE_ALL_INVALID \ @@ -110,7 +110,7 @@ enum #define FE_TOWARDZERO FE_TOWARDZERO FE_UPWARD = 2, #define FE_UPWARD FE_UPWARD - FE_DOWNWARD = 3, + FE_DOWNWARD = 3 #define FE_DOWNWARD FE_DOWNWARD }; @@ -152,27 +152,33 @@ extern const fenv_t *__fe_nomask_env __P ((void)); : "=r"(__fegetround_result) : : "cr7"); \ __fegetround_result & 3; })) +/* The weird 'i#*X' constraints on the following suppress a gcc + warning when __excepts is not a constant. Otherwise, they mean the + same as just plain 'i'. */ + /* Inline definition for feraiseexcept. */ # define feraiseexcept(__excepts) \ - (__extension__ ({ if (__builtin_constant_p (__excepts) \ - && ((__excepts) & -(__excepts)) == 0 \ - && (__excepts) != FE_INVALID) { \ - if ((__excepts) != 0) \ - __asm__ __volatile__ \ - ("mtfsb1 %0" \ - : : "i"(32 - __builtin_ffs (__excepts))); \ - } else \ - (feraiseexcept) (__excepts); })) + ((__builtin_constant_p (__excepts) \ + && ((__excepts) & ((__excepts)-1)) == 0 \ + && (__excepts) != FE_INVALID) \ + ? ((__excepts) != 0 \ + ? (__extension__ ({ __asm__ __volatile__ \ + ("mtfsb1 %s0" \ + : : "i#*X"(__builtin_ffs (__excepts))); \ + (void)0; })) \ + : (void)0) \ + : (feraiseexcept) (__excepts)) /* Inline definition for feclearexcept. */ # define feclearexcept(__excepts) \ - (__extension__ ({ if (__builtin_constant_p (__excepts) \ - && ((__excepts) & -(__excepts)) == 0 \ - && (__excepts) != FE_INVALID) { \ - if ((__excepts) != 0) \ - __asm__ __volatile__ \ - ("mtfsb0 %0" \ - : : "i"(32 - __builtin_ffs (__excepts))); \ - } else \ - (feclearexcept) (__excepts); })) + ((__builtin_constant_p (__excepts) \ + && ((__excepts) & ((__excepts)-1)) == 0 \ + && (__excepts) != FE_INVALID) \ + ? ((__excepts) != 0 \ + ? (__extension__ ({ __asm__ __volatile__ \ + ("mtfsb0 %s0" \ + : : "i#*X"(__builtin_ffs (__excepts))); \ + (void)0; })) \ + : (void)0) \ + : (feclearexcept) (__excepts)) #endif /* __OPTIMIZE__ && !_SOFT_FLOAT */ |