flow.c (init_propagate_block_info): Don't mark frame dead at end of function if…

flow.c (init_propagate_block_info): Don't mark frame dead at end of function if returns wiht stack pointer depressed. * flow.c (init_propagate_block_info): Don't mark frame dead at end of function if returns wiht stack pointer depressed. From-SVN: r36099

flow.c (init_propagate_block_info): Don't mark frame dead at end of function if…
flow.c (init_propagate_block_info): Don't mark frame dead at end of function if returns wiht stack pointer depressed. * flow.c (init_propagate_block_info): Don't mark frame dead at end of function if returns wiht stack pointer depressed. From-SVN: r36099
6324d2bb · Richard Kenner · Richard Kenner · 1ba5ae8f · 6324d2bb · 6324d2bb
Commit 6324d2bb authored Sep 01, 2000 by Richard Kenner Committed by Richard Kenner Sep 01, 2000
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--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
+Fri Sep  1 10:59:47 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* flow.c (init_propagate_block_info): Don't mark frame dead at end
+	of function if returns wiht stack pointer depressed.
+
 2000-09-01  Andrew Haley  <aph@redhat.com>

        * dwarf2out.c (stack_adjust_offset): New function.

--- a/gcc/flow.c
+++ b/gcc/flow.c
@@ -3780,6 +3780,9 @@ init_propagate_block_info (bb, live, local_set, flags)
     recording any such that are made and show them dead at the end.  We do
     a very conservative and simple job here.  */
  if (optimize
+      && ! (TREE_CODE (TREE_TYPE (current_function_decl)) == FUNCTION_TYPE
+	    && (TYPE_RETURNS_STACK_DEPRESSED
+		(TREE_TYPE (current_function_decl))))
      && (flags & PROP_SCAN_DEAD_CODE)
      && (bb->succ == NULL
 	  || (bb->succ->succ_next == NULL