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| author | ktietz <ktietz@138bc75d-0d04-0410-961f-82ee72b054a4> | 2014-06-23 21:52:31 +0000 |
|---|---|---|
| committer | ktietz <ktietz@138bc75d-0d04-0410-961f-82ee72b054a4> | 2014-06-23 21:52:31 +0000 |
| commit | 5a72e1db611aed18c024561c1e6f0bd85585d8ee (patch) | |
| tree | 27a570c7008aafb5336eab029fece919f57bb6eb /gcc/passes.def | |
| parent | ee2e8258def8a8cc56f3a3ba2257460e5b1e52ae (diff) | |
| download | gcc-5a72e1db611aed18c024561c1e6f0bd85585d8ee.tar.gz | |
PR target/39284
* passes.def (peephole2): Move peephole2 pass before
before sched2 pass.
* config/i386/i386.md (peehole2): Combine memories
and indirect jumps.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@211919 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/passes.def')
| -rw-r--r-- | gcc/passes.def | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/gcc/passes.def b/gcc/passes.def index c574b4ecff4..729be9cc90a 100644 --- a/gcc/passes.def +++ b/gcc/passes.def @@ -394,13 +394,20 @@ along with GCC; see the file COPYING3. If not see NEXT_PASS (pass_rtl_dse2); NEXT_PASS (pass_stack_adjustments); NEXT_PASS (pass_jump2); - NEXT_PASS (pass_peephole2); NEXT_PASS (pass_if_after_reload); NEXT_PASS (pass_regrename); NEXT_PASS (pass_cprop_hardreg); NEXT_PASS (pass_fast_rtl_dce); NEXT_PASS (pass_duplicate_computed_gotos); NEXT_PASS (pass_reorder_blocks); + /* We need to run peephole2 pass after the duplicate- + compute-gotos and the reorder-blocks pass (PR/39284). + We have a single indirect branch in the entire function + before duplicate-compute-gotos pass. This vastly reduces + the size of the CFG. + For preventing to run peephole2 pass twice, its run after + the jump2 got removed. */ + NEXT_PASS (pass_peephole2); NEXT_PASS (pass_branch_target_load_optimize2); NEXT_PASS (pass_leaf_regs); NEXT_PASS (pass_split_before_sched2); |