From b067035bede9b58e4e17c9acb0f65ac1faad41a8 Mon Sep 17 00:00:00 2001
From: rth <rth@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Thu, 8 Oct 1998 17:01:01 +0000
Subject: [PATCH] * flow.c (find_basic_blocks): Correctly determine
when a call is within an exception region.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@22928 138bc75d-0d04-0410-961f-82ee72b054a4
---
gcc/ChangeLog | 5 +++++
gcc/flow.c | 7 ++++++-
2 files changed, 11 insertions(+), 1 deletion(-)
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 30e39a44b4f3..ecd9e053b848 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 773aaf2be969..bbf21f1584fc 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)
--
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