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authorvmakarov <vmakarov@138bc75d-0d04-0410-961f-82ee72b054a4>2008-10-27 16:24:19 +0000
committervmakarov <vmakarov@138bc75d-0d04-0410-961f-82ee72b054a4>2008-10-27 16:24:19 +0000
commit1e204c7444fe8a80a1183349ccf75766c144d626 (patch)
tree1730ad833e4ff685d5139cd97e10380194193470 /gcc/ira-int.h
parente3fe8cc4a45fc1741723768cc784138d89ccf698 (diff)
downloadgcc-1e204c7444fe8a80a1183349ccf75766c144d626.tar.gz
2008-10-27 Vladimir Makarov <vmakarov@redhat.com>
PR middle-end/37813 * ira-conflicts.c (process_regs_for_copy): Remove class subset check. * ira-int.h (ira_hard_regno_cover_class): New. * ira-lives.c (mark_reg_live, mark_reg_dead, process_bb_node_lives): Use ira_hard_regno_cover_class. * ira.c (reg_class ira_hard_regno_cover_class): New global variable. (setup_hard_regno_cover_class): New function. (ira_init): Call setup_hard_regno_cover_class. * ira-costs.c (cost_class_nums): Add comment. (find_allocno_class_costs): Initiate cost_class_nums. (setup_allocno_cover_class_and_costs): Check cost_class_nums. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@141384 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/ira-int.h')
-rw-r--r--gcc/ira-int.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/ira-int.h b/gcc/ira-int.h
index fc18cdf9a0d..dafcfb7ec46 100644
--- a/gcc/ira-int.h
+++ b/gcc/ira-int.h
@@ -547,6 +547,11 @@ extern int ira_reg_cost, ira_mem_cost;
extern int ira_load_cost, ira_store_cost, ira_shuffle_cost;
extern int ira_move_loops_num, ira_additional_jumps_num;
+/* Map: hard register number -> cover class it belongs to. If the
+ corresponding class is NO_REGS, the hard register is not available
+ for allocation. */
+extern enum reg_class ira_hard_regno_cover_class[FIRST_PSEUDO_REGISTER];
+
/* Map: register class x machine mode -> number of hard registers of
given class needed to store value of given mode. If the number for
some hard-registers of the register class is different, the size