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re PR rtl-optimization/37360 (ICE in haifa-sched.c when compiling __popcountsi2 from libgcc) 

PR rtl-optimization/37360
        * haifa-sched.c (max_issue): Do not assert that we never issue more
        insns than issue_rate.  Add comment.

From-SVN: r140151
This commit is contained in:
Andrey Belevantsev 2008-09-09 18:19:31 +04:00 committed by Andrey Belevantsev
parent b59d39763b
commit bff5a22dc4
2 changed files with 14 additions and 1 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2008-09-09 Andrey Belevantsev <abel@ispras.ru>
PR rtl-optimization/37360
* haifa-sched.c (max_issue): Do not assert that we never issue more
insns than issue_rate. Add comment.
2008-09-09 Richard Guenther <rguenther@suse.de>
* tree-cfg.c (verify_types_in_gimple_op): Remove.

9
gcc/haifa-sched.c
View File

@ -2071,7 +2071,14 @@ max_issue (struct ready_list *ready, int privileged_n, state_t state,
/* Init max_points. */
max_points = 0;
more_issue = issue_rate - cycle_issued_insns;
gcc_assert (more_issue >= 0);
/* ??? We used to assert here that we never issue more insns than issue_rate.
However, some targets (e.g. MIPS/SB1) claim lower issue rate than can be
achieved to get better performance. Until these targets are fixed to use
scheduler hooks to manipulate insns priority instead, the assert should
be disabled.
gcc_assert (more_issue >= 0); */
for (i = 0; i < n_ready; i++)
if (!ready_try [i])