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authorRichard Henderson <rth@cygnus.com>1998-10-08 10:01:01 -0700
committerRichard Henderson <rth@gcc.gnu.org>1998-10-08 10:01:01 -0700
commitc2b7e122db71c5e8a4164800fb5f103548881bd1 (patch)
tree93c2e1f453056d3066662f436a7ea6efa96c8faf /gcc
parent0cc291f75906d763855f3ad7c067379bfd19411d (diff)
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flow.c (find_basic_blocks): Correctly determine when a call is within an exception region.
* flow.c (find_basic_blocks): Correctly determine when a call is within an exception region. From-SVN: r22928
Diffstat (limited to 'gcc')
-rw-r--r--gcc/ChangeLog5
-rw-r--r--gcc/flow.c7
2 files changed, 11 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 30e39a4..ecd9e05 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (find_basic_blocks): Correctly determine when a call
+ is within an exception region.
+
Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
* Makefile.in (cpplib.o): Use unlibsubdir.
diff --git a/gcc/flow.c b/gcc/flow.c
index 773aaf2..bbf21f1 100644
--- a/gcc/flow.c
+++ b/gcc/flow.c
@@ -314,6 +314,7 @@ find_basic_blocks (f, nregs, file, live_reachable_p)
register RTX_CODE prev_code = JUMP_INSN;
register RTX_CODE code;
int eh_region = 0;
+ int call_had_abnormal_edge = 0;
max_uid_for_flow = 0;
@@ -335,7 +336,7 @@ find_basic_blocks (f, nregs, file, live_reachable_p)
i++;
else if (prev_code == CALL_INSN)
{
- if (nonlocal_label_list != 0 || eh_region)
+ if (call_had_abnormal_edge)
i++;
else
{
@@ -360,6 +361,10 @@ find_basic_blocks (f, nregs, file, live_reachable_p)
if (code == CALL_INSN && in_libcall_block)
code = INSN;
+ /* Record whether this call created an edge. */
+ if (code == CALL_INSN)
+ call_had_abnormal_edge = (nonlocal_label_list != 0 || eh_region);
+
if (code != NOTE)
prev_code = code;
else if (NOTE_LINE_NUMBER (insn) == NOTE_INSN_EH_REGION_BEG)