| /* { dg-options "-mdspr2 -mgp32 -mtune=4kp" } */ |
| /* References to RESULT within the loop need to have a higher frequency than |
| references to RESULT outside the loop, otherwise there is no reason |
| to prefer multiply/accumulator registers over GPRs. */ |
| /* { dg-skip-if "requires register frequencies" { *-*-* } { "-O0" "-Os" } { "" } } */ |
| |
| /* Check that the zero-initialization of the accumulator feeding into |
| the madd is done by means of an mthi & mtlo pair instead of a |
| "mult $0,$0" instruction. */ |
| |
| NOMIPS16 long long f (int n, int *v, int m) |
| { |
| long long result = 0; |
| int i; |
| |
| for (i = 0; i < n; i++) |
| result = __builtin_mips_madd (result, v[i], m); |
| return result; |
| } |
| |
| /* { dg-final { scan-assembler-not "mult\t\[^\n\]*\\\$0" } } */ |
| /* { dg-final { scan-assembler "\tmthi\t" } } */ |
| /* { dg-final { scan-assembler "\tmtlo\t" } } */ |
