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authorUros Bizjak <uros@gcc.gnu.org>2008-06-18 19:16:05 +0200
committerUros Bizjak <uros@gcc.gnu.org>2008-06-18 19:16:05 +0200
commitba03a3508bfbf83b6bbd07f47bc1573ab6f6f89f (patch)
tree3695e2f0bf42ec6e5a41d786fe2d3f31db37ba93
parentfdd7f24186c7cd637e24c657367f270afb3ec431 (diff)
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re PR rtl-optimization/35604 (Label references are not updated after edge insertion)
PR rtl-optimization/35604 * jump.c (redirect_exp_1): Skip the condition of an IF_THEN_ELSE. We only want to change jump destinations, not eventual label comparisons. From-SVN: r136899
-rw-r--r--gcc/ChangeLog22
-rw-r--r--gcc/jump.c9
2 files changed, 23 insertions, 8 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index e6caaeb..842a63b 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2008-06-18 Uros Bizjak <ubizjak@gmail.com>
+ Ian Lance Taylor <iant@google.com>
+
+ PR rtl-optimization/35604
+ * jump.c (redirect_exp_1): Skip the condition of an IF_THEN_ELSE. We
+ only want to change jump destinations, not eventual label comparisons.
+
2008-06-16 Jan Hubicka <jh@suse.cz>
* cgraphunit.c (cgraph_expand_pending_functions): Give up at
@@ -436,8 +443,7 @@
2008-06-12 Jakub Jelinek <jakub@redhat.com>
PR middle-end/36506
- * omp-low.c (expand_omp_sections): Initialize l2 to avoid bogus
- warning.
+ * omp-low.c (expand_omp_sections): Initialize l2 to avoid bogus warning.
2008-06-12 Eric Botcazou <ebotcazou@adacore.com>
@@ -482,8 +488,8 @@
2008-06-12 Kai Tietz <kai.tietz@onevision.com>
- * config/i386/i386.c (ix86_compute_frame_layout): Disable red zone for
- w64 abi.
+ * config/i386/i386.c (ix86_compute_frame_layout): Disable
+ red zone for w64 abi.
(ix86_expand_prologue): Likewise.
(ix86_force_to_memory): Likewise.
(ix86_free_from_memory): Likewise.
@@ -492,8 +498,7 @@
PR target/36425
* config/rs6000/rs6000.c (rs6000_override_options): Set
- rs6000_isel conditionally to the absence of comand line
- override.
+ rs6000_isel conditionally to the absence of comand line override.
* config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
Remove duplicate rs6000_isel setting.
* config/rs6000/eabispe.h: Ditto.
@@ -524,7 +529,7 @@
arch_32 and arch_64.
2008-06-11 Eric Botcazou <ebotcazou@adacore.com>
- Olivier Hainque <hainque@adacore.com>
+ Olivier Hainque <hainque@adacore.com>
* builtins.c (get_memory_rtx): Accept byte-addressable bitfields.
Use DECL_SIZE_UNIT to retrieve the size of the field.
@@ -559,7 +564,8 @@
and target endianness differ.
2008-06-10 Vinodha Ramasamy <vinodha@google.com>
- * value_prob.c (tree_divmod_fixed_value_transform): Use gcov_type.
+
+ * value_prob.c (tree_divmod_fixed_value_transform): Use gcov_type.
Avoid division by 0.
(tree_mod_pow2_value_transform): Likewise.
(tree_ic_transform): Likewise.
diff --git a/gcc/jump.c b/gcc/jump.c
index 1aa0c6d..23d183e 100644
--- a/gcc/jump.c
+++ b/gcc/jump.c
@@ -1327,6 +1327,15 @@ redirect_exp_1 (rtx *loc, rtx olabel, rtx nlabel, rtx insn)
return;
}
+ if (code == IF_THEN_ELSE)
+ {
+ /* Skip the condition of an IF_THEN_ELSE. We only want to
+ change jump destinations, not eventual label comparisons. */
+ redirect_exp_1 (&XEXP (x, 1), olabel, nlabel, insn);
+ redirect_exp_1 (&XEXP (x, 2), olabel, nlabel, insn);
+ return;
+ }
+
fmt = GET_RTX_FORMAT (code);
for (i = GET_RTX_LENGTH (code) - 1; i >= 0; i--)
{