diff options
| author | Kyrylo Tkachov <kyrylo.tkachov@arm.com> | 2015-05-01 08:58:34 +0000 |
|---|---|---|
| committer | Kyrylo Tkachov <ktkachov@gcc.gnu.org> | 2015-05-01 08:58:34 +0000 |
| commit | ad88bedb893145500aba3993f7bfa4e2d0041435 (patch) | |
| tree | 7ad6ceb1a3c7e0ec0217cf10399e6ecbd3e5373f | |
| parent | 6358f1b4369f87f736cc7449da5021270db51904 (diff) | |
| download | gcc-ad88bedb893145500aba3993f7bfa4e2d0041435.zip gcc-ad88bedb893145500aba3993f7bfa4e2d0041435.tar.gz gcc-ad88bedb893145500aba3993f7bfa4e2d0041435.tar.bz2 | |
[AArch64] Remember to cost operand 0 in FP compare-with-0.0 case
* config/aarch64/aarch64.c (aarch64_rtx_costs, COMPARE case):
Add cost of op0 in the compare-with-fpzero case.
From-SVN: r222673
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/aarch64/aarch64.c | 1 |
2 files changed, 6 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index d9241b1..8646ae9 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2015-05-01 Kyrylo Tkachov <kyrylo.tkachov@arm.com> + + * config/aarch64/aarch64.c (aarch64_rtx_costs, COMPARE case): + Add cost of op0 in the compare-with-fpzero case. + 2015-04-30 David Malcolm <dmalcolm@redhat.com> * builtins.c (fold_builtin_1): Remove spurious second diff --git a/gcc/config/aarch64/aarch64.c b/gcc/config/aarch64/aarch64.c index d7ef473..4573fb4 100644 --- a/gcc/config/aarch64/aarch64.c +++ b/gcc/config/aarch64/aarch64.c @@ -5865,6 +5865,7 @@ aarch64_rtx_costs (rtx x, int code, int outer ATTRIBUTE_UNUSED, if (CONST_DOUBLE_P (op1) && aarch64_float_const_zero_rtx_p (op1)) { + *cost += rtx_cost (op0, COMPARE, 0, speed); /* FCMP supports constant 0.0 for no extra cost. */ return true; } |