diff options
Diffstat (limited to 'gcc/config/aarch64/aarch64.c')
| -rw-r--r-- | gcc/config/aarch64/aarch64.c | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/gcc/config/aarch64/aarch64.c b/gcc/config/aarch64/aarch64.c index 5707e5317e2..bce490ff555 100644 --- a/gcc/config/aarch64/aarch64.c +++ b/gcc/config/aarch64/aarch64.c @@ -7544,17 +7544,13 @@ cost_plus: case UMOD: if (speed) { + /* Slighly prefer UMOD over SMOD. */ if (VECTOR_MODE_P (mode)) *cost += extra_cost->vect.alu; else if (GET_MODE_CLASS (mode) == MODE_INT) *cost += (extra_cost->mult[mode == DImode].add - + extra_cost->mult[mode == DImode].idiv); - else if (mode == DFmode) - *cost += (extra_cost->fp[1].mult - + extra_cost->fp[1].div); - else if (mode == SFmode) - *cost += (extra_cost->fp[0].mult - + extra_cost->fp[0].div); + + extra_cost->mult[mode == DImode].idiv + + (code == MOD ? 1 : 0)); } return false; /* All arguments need to be in registers. */ @@ -7568,7 +7564,9 @@ cost_plus: else if (GET_MODE_CLASS (mode) == MODE_INT) /* There is no integer SQRT, so only DIV and UDIV can get here. */ - *cost += extra_cost->mult[mode == DImode].idiv; + *cost += (extra_cost->mult[mode == DImode].idiv + /* Slighly prefer UDIV over SDIV. */ + + (code == DIV ? 1 : 0)); else *cost += extra_cost->fp[mode == DFmode].div; } |