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recog.c (search_ofs): New static variable moved from... 

* recog.c (search_ofs): New static variable moved from...
	(peep2_find_free_register): ...here.
	(peephole2_optimize): Initialize it.

From-SVN: r204050
This commit is contained in:
Eric Botcazou 2013-10-25 08:55:19 +00:00
parent 24ebcbc867
commit e86a8146c7
2 changed files with 11 additions and 3 deletions
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9
gcc/ChangeLog
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@ -1,7 +1,12 @@
2013-10-25 Eric Botcazou <ebotcazou@adacore.com>
* recog.c (search_ofs): New static variable moved from...
(peep2_find_free_register): ...here.
(peephole2_optimize): Initialize it.
2013-10-25 Tobias Burnus <burnus@net-b.de> 2013-10-25 Tobias Burnus <burnus@net-b.de>
* doc/invoke.texi (fopenmp): Change supported OpenMP version * doc/invoke.texi (fopenmp): Change supported OpenMP version to 4.0.
to 4.0.
2013-10-25 Uros Bizjak <ubizjak@gmail.com> 2013-10-25 Uros Bizjak <ubizjak@gmail.com>

5
gcc/recog.c
View File

@ -3069,6 +3069,9 @@ peep2_reg_dead_p (int ofs, rtx reg)
return 1; return 1;
} }
/* Regno offset to be used in the register search. */
static int search_ofs;
/* Try to find a hard register of mode MODE, matching the register class in /* Try to find a hard register of mode MODE, matching the register class in
CLASS_STR, which is available at the beginning of insn CURRENT_INSN and CLASS_STR, which is available at the beginning of insn CURRENT_INSN and
remains available until the end of LAST_INSN. LAST_INSN may be NULL_RTX, remains available until the end of LAST_INSN. LAST_INSN may be NULL_RTX,
@ -3084,7 +3087,6 @@ rtx
peep2_find_free_register (int from, int to, const char *class_str, peep2_find_free_register (int from, int to, const char *class_str,
enum machine_mode mode, HARD_REG_SET *reg_set) enum machine_mode mode, HARD_REG_SET *reg_set)
{ {
static int search_ofs;
enum reg_class cl; enum reg_class cl;
HARD_REG_SET live; HARD_REG_SET live;
df_ref *def_rec; df_ref *def_rec;
@ -3549,6 +3551,7 @@ peephole2_optimize (void)
/* Initialize the regsets we're going to use. */ /* Initialize the regsets we're going to use. */
for (i = 0; i < MAX_INSNS_PER_PEEP2 + 1; ++i) for (i = 0; i < MAX_INSNS_PER_PEEP2 + 1; ++i)
peep2_insn_data[i].live_before = BITMAP_ALLOC (&reg_obstack); peep2_insn_data[i].live_before = BITMAP_ALLOC (&reg_obstack);
search_ofs = 0;
live = BITMAP_ALLOC (&reg_obstack); live = BITMAP_ALLOC (&reg_obstack);
FOR_EACH_BB_REVERSE (bb) FOR_EACH_BB_REVERSE (bb)