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authorZdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz>2003-09-15 03:55:53 +0200
committerAndrew Pinski <pinskia@gcc.gnu.org>2003-09-14 18:55:53 -0700
commitec6ec6aaabd93cd9018f73d5a9880466eb55b55c (patch)
tree5fc7d2c4a708b456af258e9327bbdd9d5d81f936 /gcc/ifcvt.c
parenta7e8c268ed44dd8f09259ba8000be311af7562e7 (diff)
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re PR rtl-optimization/10914 (unswitch loops does not work on powerpc)
2003-09-12 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz> PR optimization/10914 * expr.h (get_condition, canonicalize_condition): Declaration changed. * cfgloopanal.c (simple_loop_exit_p): Add parameter to a get_condition and canonicalize_condition calls. * gcse.c (fis_get_condition, delete_null_pointer_checks_1, delete_null_pointer_checks): Ditto. * ifcvt.c (noce_get_alt_condition, noce_get_condition): Ditto. * predict.c (estimate_probability, expected_value_to_br_prob): Ditto. * loop.c (check_dbra_loop, get_condition_for_loop): Ditto. (canonicalize_condition, get_condition): Allow to return comparisons of cc mode registers. * loop-unswitch.c (may_unswitch_on_p, unswitch_single_loop): Allow cc mode registers comparison in condition. From-SVN: r71398
Diffstat (limited to 'gcc/ifcvt.c')
-rw-r--r--gcc/ifcvt.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/gcc/ifcvt.c b/gcc/ifcvt.c
index eec1f36..782960b 100644
--- a/gcc/ifcvt.c
+++ b/gcc/ifcvt.c
@@ -1397,7 +1397,7 @@ noce_get_alt_condition (struct noce_if_info *if_info, rtx target,
}
cond = canonicalize_condition (if_info->jump, cond, reverse,
- earliest, target);
+ earliest, target, false);
if (! cond || ! reg_mentioned_p (target, cond))
return NULL;
@@ -1671,7 +1671,8 @@ noce_get_condition (rtx jump, rtx *earliest)
/* Otherwise, fall back on canonicalize_condition to do the dirty
work of manipulating MODE_CC values and COMPARE rtx codes. */
- tmp = canonicalize_condition (jump, cond, reverse, earliest, NULL_RTX);
+ tmp = canonicalize_condition (jump, cond, reverse, earliest, NULL_RTX,
+ false);
if (!tmp)
return NULL_RTX;
@@ -1690,7 +1691,8 @@ noce_get_condition (rtx jump, rtx *earliest)
tmp = XEXP (tmp, 0);
if (!REG_P (tmp) || GET_MODE_CLASS (GET_MODE (tmp)) != MODE_INT)
return NULL_RTX;
- tmp = canonicalize_condition (jump, cond, reverse, earliest, tmp);
+ tmp = canonicalize_condition (jump, cond, reverse, earliest, tmp,
+ false);
if (!tmp)
return NULL_RTX;