make blas_quickdivide unsigned and guard against miscompilation
@@ -80,7 +80,7 @@ static void __inline blas_lock(volatile BLASULONG *address){
#endif
do {
- while (*address) {YIELDING;};
+ while (*address) {YIELDING;}
#ifndef C_MSVC
__asm__ __volatile__(
@@ -199,9 +199,9 @@ static __inline BLASLONG blas_quickdivide(BLASLONG x, BLASLONG y){
#else
extern unsigned int blas_quick_divide_table[];
-static __inline int blas_quickdivide(unsigned int x, unsigned int y){
+static __inline unsigned int blas_quickdivide(unsigned int x, unsigned int y){
- unsigned int result;
+ volatile unsigned int result;
if (y <= 1) return x;
@@ -215,7 +215,6 @@ static __inline int blas_quickdivide(unsigned int x, unsigned int y){
y = blas_quick_divide_table[y];
__asm__ __volatile__ ("mull %0" :"=d" (result), "+a"(x) : "0" (y));
-
return result;
}
#endif
