diff options
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/aarch64/aarch64.c | 14 |
2 files changed, 18 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index a4569bb..3710788 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,10 @@ 2015-04-30 Kyrylo Tkachov <kyrylo.tkachov@arm.com> + * config/aarch64/aarch64.c (aarch64_rtx_costs): Handle pattern for + fabd in ABS case. + +2015-04-30 Kyrylo Tkachov <kyrylo.tkachov@arm.com> + * config/aarch64/aarch64.md (*eor_one_cmpl_<SHIFT:optab><mode>3_alt): New pattern. (*eor_one_cmpl_<SHIFT:optab>sidi3_alt_ze): Likewise. diff --git a/gcc/config/aarch64/aarch64.c b/gcc/config/aarch64/aarch64.c index 7579f5b..f1aec67 100644 --- a/gcc/config/aarch64/aarch64.c +++ b/gcc/config/aarch64/aarch64.c @@ -6387,7 +6387,19 @@ cost_plus: case ABS: if (GET_MODE_CLASS (mode) == MODE_FLOAT) { - /* FABS and FNEG are analogous. */ + op0 = XEXP (x, 0); + + /* FABD, which is analogous to FADD. */ + if (GET_CODE (op0) == MINUS) + { + *cost += rtx_cost (XEXP (op0, 0), MINUS, 0, speed); + + rtx_cost (XEXP (op0, 1), MINUS, 1, speed); + if (speed) + *cost += extra_cost->fp[mode == DFmode].addsub; + + return true; + } + /* Simple FABS is analogous to FNEG. */ if (speed) *cost += extra_cost->fp[mode == DFmode].neg; } |