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authorAdam Nemet <anemet@caviumnetworks.com>2009-04-12 19:36:50 +0000
committerAdam Nemet <nemet@gcc.gnu.org>2009-04-12 19:36:50 +0000
commitefaadb930b1db67a8b25b53c31a1ffb2000cdae0 (patch)
tree7da62a2d8311cb87cbf1676d15fee403e936898e /gcc
parent4c48007b43c7e5fed48347f81e3d27e71e6a5751 (diff)
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re PR middle-end/39651 (New cleanup test failures)
PR middle-end/39651 * except.c (can_throw_external): Look at each insn in a SEQUENCE when deciding whether the whole SEQUENCE can throw. From-SVN: r145986
Diffstat (limited to 'gcc')
-rw-r--r--gcc/ChangeLog6
-rw-r--r--gcc/except.c11
2 files changed, 16 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index cce9c47..04b6507 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2009-04-12 Adam Nemet <anemet@caviumnetworks.com>
+
+ PR middle-end/39651
+ * except.c (can_throw_external): Look at each insn in a SEQUENCE
+ when deciding whether the whole SEQUENCE can throw.
+
2009-04-12 Uros Bizjak <ubizjak@gmail.com>
PR target/39740
diff --git a/gcc/except.c b/gcc/except.c
index a0a81bc..889dd61 100644
--- a/gcc/except.c
+++ b/gcc/except.c
@@ -2892,7 +2892,16 @@ can_throw_external (const_rtx insn)
if (NONJUMP_INSN_P (insn)
&& GET_CODE (PATTERN (insn)) == SEQUENCE)
- insn = XVECEXP (PATTERN (insn), 0, 0);
+ {
+ rtx seq = PATTERN (insn);
+ int i, n = XVECLEN (seq, 0);
+
+ for (i = 0; i < n; i++)
+ if (can_throw_external (XVECEXP (seq, 0, i)))
+ return true;
+
+ return false;
+ }
note = find_reg_note (insn, REG_EH_REGION, NULL_RTX);
if (!note)