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ira-color.c (allocno_reload_assign): Avoid accumulating reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS. 

* ira-color.c (allocno_reload_assign): Avoid accumulating
        reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.

From-SVN: r158524
This commit is contained in:
Vladimir Makarov 2010-04-19 18:22:14 +00:00 committed by Jeff Law
parent acd6380155
commit ec99573229
2 changed files with 8 additions and 1 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2010-04-19 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (allocno_reload_assign): Avoid accumulating
reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
2010-04-19 Martin Jambor <mjambor@suse.cz>
* gimple.h (create_tmp_reg): Declare.

4
gcc/ira-color.c
View File

@ -2786,7 +2786,9 @@ allocno_reload_assign (ira_allocno_t a, HARD_REG_SET forbidden_regs)
int hard_regno;
enum reg_class cover_class;
int regno = ALLOCNO_REGNO (a);
HARD_REG_SET saved;
COPY_HARD_REG_SET (saved, ALLOCNO_TOTAL_CONFLICT_HARD_REGS (a));
IOR_HARD_REG_SET (ALLOCNO_TOTAL_CONFLICT_HARD_REGS (a), forbidden_regs);
if (! flag_caller_saves && ALLOCNO_CALLS_CROSSED_NUM (a) != 0)
IOR_HARD_REG_SET (ALLOCNO_TOTAL_CONFLICT_HARD_REGS (a), call_used_reg_set);
@ -2830,7 +2832,7 @@ allocno_reload_assign (ira_allocno_t a, HARD_REG_SET forbidden_regs)
}
else if (internal_flag_ira_verbose > 3 && ira_dump_file != NULL)
fprintf (ira_dump_file, "\n");
COPY_HARD_REG_SET (ALLOCNO_TOTAL_CONFLICT_HARD_REGS (a), saved);
return reg_renumber[regno] >= 0;
}