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authorrth <rth@138bc75d-0d04-0410-961f-82ee72b054a4>2001-08-06 06:39:21 +0000
committerrth <rth@138bc75d-0d04-0410-961f-82ee72b054a4>2001-08-06 06:39:21 +0000
commit7a577715206598190155e55bc6207d7d4eacf88a (patch)
tree61d8d5d8886c7c3b58d9f343c95ef80e811043fd /gcc/reload1.c
parent1dae2f5fdd168756e8a3b755829d3373d9404fd6 (diff)
downloadgcc-7a577715206598190155e55bc6207d7d4eacf88a.tar.gz
* Makefile.in (reload1.o): Add dedendancy on except.h
* basic-block.h (purge_all_dead_edges, purge_dead_edges): Update prototypes. * flow.c (purge_dead_edges, purge_all_dead_edges): Return bool indicating wehther edges has been cleaned up. * reload1.c: Inlucde except.h (fixup_abnormal_edges): Accept deleted insns. * toplev.c (rest_of_compilation): Purge dead edges unconditionally after combine. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@44654 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/reload1.c')
-rw-r--r--gcc/reload1.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/gcc/reload1.c b/gcc/reload1.c
index 09ef4ef9977..b2131de22e0 100644
--- a/gcc/reload1.c
+++ b/gcc/reload1.c
@@ -39,6 +39,7 @@ Boston, MA 02111-1307, USA. */
#include "cselib.h"
#include "real.h"
#include "toplev.h"
+#include "except.h"
#if !defined PREFERRED_STACK_BOUNDARY && defined STACK_BOUNDARY
#define PREFERRED_STACK_BOUNDARY STACK_BOUNDARY
@@ -9506,7 +9507,11 @@ fixup_abnormal_edges ()
for (e = bb->succ; e; e = e->succ_next)
if (e->flags & EDGE_FALLTHRU)
break;
- while (GET_CODE (insn) == INSN && !can_throw_internal (insn))
+ /* Get past the new insns generated. Allow notes, as the insns may
+ be already deleted. */
+ while ((GET_CODE (insn) == INSN || GET_CODE (insn) == NOTE)
+ && !can_throw_internal (insn)
+ && insn != bb->head)
insn = PREV_INSN (insn);
if (GET_CODE (insn) != CALL_INSN && !can_throw_internal (insn))
abort ();