diff options
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/libgcc2.c | 24 |
2 files changed, 18 insertions, 12 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 9ed3fc5a54f..41e35e298a7 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2008-03-02 Joseph Myers <joseph@codesourcery.com> + + * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3, + __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2, + __absvsi2, __absvDI2): Use unsigned arithmetic. + 2008-03-02 Andi Kleen <ak@suse.de> Richard Guenther <rguenther@suse.de> diff --git a/gcc/libgcc2.c b/gcc/libgcc2.c index 792bfe69136..ec1f81008bd 100644 --- a/gcc/libgcc2.c +++ b/gcc/libgcc2.c @@ -84,7 +84,7 @@ __negdi2 (DWtype u) Wtype __addvSI3 (Wtype a, Wtype b) { - const Wtype w = a + b; + const Wtype w = (UWtype) a + (UWtype) b; if (b >= 0 ? w < a : w > a) abort (); @@ -95,7 +95,7 @@ __addvSI3 (Wtype a, Wtype b) SItype __addvsi3 (SItype a, SItype b) { - const SItype w = a + b; + const SItype w = (USItype) a + (USItype) b; if (b >= 0 ? w < a : w > a) abort (); @@ -109,7 +109,7 @@ __addvsi3 (SItype a, SItype b) DWtype __addvDI3 (DWtype a, DWtype b) { - const DWtype w = a + b; + const DWtype w = (UDWtype) a + (UDWtype) b; if (b >= 0 ? w < a : w > a) abort (); @@ -122,7 +122,7 @@ __addvDI3 (DWtype a, DWtype b) Wtype __subvSI3 (Wtype a, Wtype b) { - const Wtype w = a - b; + const Wtype w = (UWtype) a - (UWtype) b; if (b >= 0 ? w > a : w < a) abort (); @@ -133,7 +133,7 @@ __subvSI3 (Wtype a, Wtype b) SItype __subvsi3 (SItype a, SItype b) { - const SItype w = a - b; + const SItype w = (USItype) a - (USItype) b; if (b >= 0 ? w > a : w < a) abort (); @@ -147,7 +147,7 @@ __subvsi3 (SItype a, SItype b) DWtype __subvDI3 (DWtype a, DWtype b) { - const DWtype w = a - b; + const DWtype w = (UDWtype) a - (UDWtype) b; if (b >= 0 ? w > a : w < a) abort (); @@ -187,7 +187,7 @@ __mulvsi3 (SItype a, SItype b) Wtype __negvSI2 (Wtype a) { - const Wtype w = -a; + const Wtype w = -(UWtype) a; if (a >= 0 ? w > 0 : w < 0) abort (); @@ -198,7 +198,7 @@ __negvSI2 (Wtype a) SItype __negvsi2 (SItype a) { - const SItype w = -a; + const SItype w = -(USItype) a; if (a >= 0 ? w > 0 : w < 0) abort (); @@ -212,7 +212,7 @@ __negvsi2 (SItype a) DWtype __negvDI2 (DWtype a) { - const DWtype w = -a; + const DWtype w = -(UDWtype) a; if (a >= 0 ? w > 0 : w < 0) abort (); @@ -231,7 +231,7 @@ __absvSI2 (Wtype a) #ifdef L_negvsi2 w = __negvSI2 (a); #else - w = -a; + w = -(UWtype) a; if (w < 0) abort (); @@ -249,7 +249,7 @@ __absvsi2 (SItype a) #ifdef L_negvsi2 w = __negvsi2 (a); #else - w = -a; + w = -(USItype) a; if (w < 0) abort (); @@ -270,7 +270,7 @@ __absvDI2 (DWtype a) #ifdef L_negvdi2 w = __negvDI2 (a); #else - w = -a; + w = -(UDWtype) a; if (w < 0) abort (); |