diff options
| author | Roman Zhuykov <zhroma@ispras.ru> | 2020-12-05 18:45:27 +0300 |
|---|---|---|
| committer | Roman Zhuykov <zhroma@ispras.ru> | 2020-12-05 18:45:27 +0300 |
| commit | 4eb8f93d026eaa1de9b4820337069f3ce3465cd0 (patch) | |
| tree | 634fd95b9a60f6e2a837980a61318d109a29605a /gcc/reload.c | |
| parent | 7ae210d5db5eb96989b2f639e65678b5597e61f0 (diff) | |
| download | gcc-4eb8f93d026eaa1de9b4820337069f3ce3465cd0.zip gcc-4eb8f93d026eaa1de9b4820337069f3ce3465cd0.tar.gz gcc-4eb8f93d026eaa1de9b4820337069f3ce3465cd0.tar.bz2 | |
modulo-sched: Carefully process loop counter initialization [PR97421]
Do not allow direct adjustment of pre-header initialization instruction for
count register if is read in some instruction below in that basic block.
gcc/ChangeLog:
PR rtl-optimization/97421
* modulo-sched.c (generate_prolog_epilog): Remove forward
declaration, adjust last argument name and type.
(const_iteration_count): Add bool pointer parameter to return
whether count register is read in pre-header after its
initialization.
(sms_schedule): Fix count register initialization adjustment
procedure according to what const_iteration_count said.
gcc/testsuite/ChangeLog:
PR rtl-optimization/97421
* gcc.c-torture/execute/pr97421-1.c: New test.
* gcc.c-torture/execute/pr97421-2.c: New test.
* gcc.c-torture/execute/pr97421-3.c: New test.
Diffstat (limited to 'gcc/reload.c')
0 files changed, 0 insertions, 0 deletions