diff options
| author | Kyrylo Tkachov <kyrylo.tkachov@arm.com> | 2015-10-30 14:43:11 +0000 |
|---|---|---|
| committer | Kyrylo Tkachov <ktkachov@gcc.gnu.org> | 2015-10-30 14:43:11 +0000 |
| commit | aecdf6d919b4f769478212ff7cf5bd6a264ddf5a (patch) | |
| tree | 793ca6ce6cd20ba1991fd7c62f837d7bdf7e9e3f | |
| parent | a52380e99db36781c7471c0ab6634ae6b80874f3 (diff) | |
| download | gcc-aecdf6d919b4f769478212ff7cf5bd6a264ddf5a.zip gcc-aecdf6d919b4f769478212ff7cf5bd6a264ddf5a.tar.gz gcc-aecdf6d919b4f769478212ff7cf5bd6a264ddf5a.tar.bz2 | |
[ARM] Fix checking RTL error in cortex_a9_sched_adjust_cost
* config/arm/arm.c (cortex_a9_sched_adjust_cost): Use reg_set_p to
check for dependencies.
From-SVN: r229583
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/arm/arm.c | 4 |
2 files changed, 6 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index adbd98e..c7e7fe1 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2015-10-30 Kyrylo Tkachov <kyrylo.tkachov@arm.com> + + * config/arm/arm.c (cortex_a9_sched_adjust_cost): Use reg_set_p to + check for dependencies. + 2015-10-30 Richard Sandiford <richard.sandiford@arm.com> * tree-ssa-math-opts.c (pass_cse_sincos::execute): Don't free diff --git a/gcc/config/arm/arm.c b/gcc/config/arm/arm.c index 7c72a81..4310638 100644 --- a/gcc/config/arm/arm.c +++ b/gcc/config/arm/arm.c @@ -11610,9 +11610,7 @@ cortex_a9_sched_adjust_cost (rtx_insn *insn, rtx link, rtx_insn *dep, int * cost case. However this gets modeled as an true dependency and hence all these checks. */ if (REG_P (SET_DEST (PATTERN (insn))) - && REG_P (SET_DEST (PATTERN (dep))) - && reg_overlap_mentioned_p (SET_DEST (PATTERN (insn)), - SET_DEST (PATTERN (dep)))) + && reg_set_p (SET_DEST (PATTERN (insn)), dep)) { /* FMACS is a special case where the dependent instruction can be issued 3 cycles before |