/* { 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" } } */