diff options
Diffstat (limited to 'libgcc/libgcc2.c')
| -rw-r--r-- | libgcc/libgcc2.c | 42 |
1 files changed, 12 insertions, 30 deletions
diff --git a/libgcc/libgcc2.c b/libgcc/libgcc2.c index cf0ca29..1921d80 100644 --- a/libgcc/libgcc2.c +++ b/libgcc/libgcc2.c @@ -214,37 +214,25 @@ __negvDI2 (DWtype a) Wtype __absvSI2 (Wtype a) { - Wtype w = a; - - if (a < 0) -#ifdef L_negvsi2 - w = __negvSI2 (a); -#else - w = -(UWtype) a; + const Wtype v = 0 - (a < 0); + Wtype w; - if (w < 0) + if (__builtin_add_overflow (a, v, &w)) abort (); -#endif - return w; + return v ^ w; } #ifdef COMPAT_SIMODE_TRAPPING_ARITHMETIC SItype __absvsi2 (SItype a) { - SItype w = a; - - if (a < 0) -#ifdef L_negvsi2 - w = __negvsi2 (a); -#else - w = -(USItype) a; + const SItype v = 0 - (a < 0); + SItype w; - if (w < 0) + if (__builtin_add_overflow (a, v, &w)) abort (); -#endif - return w; + return v ^ w; } #endif /* COMPAT_SIMODE_TRAPPING_ARITHMETIC */ #endif @@ -253,19 +241,13 @@ __absvsi2 (SItype a) DWtype __absvDI2 (DWtype a) { - DWtype w = a; - - if (a < 0) -#ifdef L_negvdi2 - w = __negvDI2 (a); -#else - w = -(UDWtype) a; + const DWtype v = 0 - (a < 0); + DWtype w; - if (w < 0) + if (__builtin_add_overflow (a, v, &w)) abort (); -#endif - return w; + return v ^ w; } #endif |