+2008-08-29 Vladimir Makarov <vmakarov@redhat.com>
+
+ PR rtl-opt/37243
+ * ira-color (ira_fast_allocation): Don't assign hard registers to
+ global allocnos.
+
2008-08-29 Jan Hubicka <jh@suse.cz>
PR middle-end/37278
for (i = 0; i < num; i++)
{
a = sorted_allocnos[i];
+ ALLOCNO_ASSIGNED_P (a) = true;
+ ALLOCNO_HARD_REGNO (a) = -1;
+ /* Live info about hard registers are absent when OPTIMIZE==0.
+ So try to assign hard-registers only to local allocnos. */
+ if (!optimize && REG_BASIC_BLOCK (ALLOCNO_REGNO (a)) == REG_BLOCK_GLOBAL)
+ continue;
COPY_HARD_REG_SET (conflict_hard_regs, ALLOCNO_CONFLICT_HARD_REGS (a));
for (r = ALLOCNO_LIVE_RANGES (a); r != NULL; r = r->next)
for (j = r->start; j <= r->finish; j++)
IOR_HARD_REG_SET (conflict_hard_regs, used_hard_regs[j]);
cover_class = ALLOCNO_COVER_CLASS (a);
- ALLOCNO_ASSIGNED_P (a) = true;
- ALLOCNO_HARD_REGNO (a) = -1;
if (hard_reg_set_subset_p (reg_class_contents[cover_class],
conflict_hard_regs))
continue;