| /* { dg-do compile } */ |
| /* { dg-options "-O2 -fdump-tree-phiopt -fdump-tree-evrp" } */ |
| |
| int foo_add (const unsigned char *tmp, int i, int val) |
| { |
| return (unsigned char)(((tmp[i] + val)>0xFF)?0xFF:(((tmp[i] + val)<0)?0:(tmp[i] + val))); |
| } |
| |
| int foo_sub (const unsigned char *tmp, int i, int val) |
| { |
| return (unsigned char)(((tmp[i] - val)>0xFF)?0xFF:(((tmp[i] - val)<0)?0:(tmp[i] - val))); |
| } |
| |
| int foo_mul (const unsigned char *tmp, int i, int val) |
| { |
| return (unsigned char)(((tmp[i] * val)>0xFF)?0xFF:(((tmp[i] * val)<0)?0:(tmp[i] * val))); |
| } |
| |
| /* All cases should end up using min/max for the saturated operations and |
| have no control flow. */ |
| /* EVRP leaves copies in the IL which confuses phiopt1 so we have |
| to rely on phiopt2 instead. */ |
| /* { dg-final { scan-tree-dump-not " & 255;" "evrp" } } */ |
| /* { dg-final { scan-tree-dump-times "MAX_EXPR" 3 "phiopt1" { xfail *-*-* } } } */ |
| /* { dg-final { scan-tree-dump-times "MIN_EXPR" 3 "phiopt1" { xfail *-*-* } } } */ |
| /* { dg-final { scan-tree-dump-not "if " "phiopt1" { xfail *-*-* } } } */ |
| /* { dg-final { scan-tree-dump-times "MAX_EXPR" 3 "phiopt2" } } */ |
| /* { dg-final { scan-tree-dump-times "MIN_EXPR" 3 "phiopt2" } } */ |
| /* { dg-final { scan-tree-dump-not "if " "phiopt2" } } */ |