PR optimization/13469

	* toplev.c (rest_of_compilation): Call purge_all_dead_edges after
	reload_cse_regs (-fnon-call-exceptions only).

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@75669 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 0f1a8f5..aa363b4 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2004-01-11  Richard Sandiford  <rsandifo@redhat.com>
+
+       PR optimization/13469
+       * toplev.c (rest_of_compilation): Call purge_all_dead_edges after
+       reload_cse_regs (-fnon-call-exceptions only).
+
 2004-01-11  Kazu Hirata  <kazu@cs.umass.edu>
 
        * config/mcore/lib1.asm: Fix comment formatting.

diff --git a/gcc/toplev.c b/gcc/toplev.c
index 0f6ca26..4781939 100644 (file)
--- a/gcc/toplev.c
+++ b/gcc/toplev.c
@@ -3388,6 +3388,10 @@ rest_of_compilation (tree decl)
     {
       timevar_push (TV_RELOAD_CSE_REGS);
       reload_cse_regs (insns);
+      /* reload_cse_regs can eliminate potentially-trapping MEMs.
+        Remove any EH edges associated with them.  */
+      if (flag_non_call_exceptions)
+       purge_all_dead_edges (0);
       timevar_pop (TV_RELOAD_CSE_REGS);
     }