/* PR tree-optimization/50717 */ | |
/* Ensure that widening multiply-and-accumulate is not used where integer | |
type promotion or users' casts should prevent it. */ | |
/* { dg-options "-O2 -fdump-tree-widening_mul" } */ | |
long long | |
f (unsigned int a, char b, long long c) | |
{ | |
return (a * b) + c; | |
} | |
int | |
g (short a, short b, int c) | |
{ | |
return (short)(a * b) + c; | |
} | |
int | |
h (char a, char b, int c) | |
{ | |
return (char)(a * b) + c; | |
} | |
/* { dg-final { scan-tree-dump-times "WIDEN_MULT_PLUS_EXPR" 0 "widening_mul" } } */ |