PR optimization/5891

	* unroll.c (copy_loop_body) [CALL_INSN]: Copy SIBLING_CALL_P flag.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@50791 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index d003e7c..a62dd2c 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2002-03-15  Jakub Jelinek  <jakub@redhat.com>
+
+       PR optimization/5891
+       * unroll.c (copy_loop_body) [CALL_INSN]: Copy SIBLING_CALL_P flag.
+
 2002-03-14  David Mosberger <davidm@hpl.hp.com>, Hans Boehm <Hans_Boehm@hp.com>
 
        * config/ia64/unwind-ia64.c: Handle copy_state and label_state

diff --git a/gcc/unroll.c b/gcc/unroll.c
index fc18938..cc38656 100644 (file)
--- a/gcc/unroll.c
+++ b/gcc/unroll.c
@@ -2216,6 +2216,7 @@ copy_loop_body (loop, copy_start, copy_end, map, exit_label, last_iteration,
          pattern = copy_rtx_and_substitute (PATTERN (insn), map, 0);
          copy = emit_call_insn (pattern);
          REG_NOTES (copy) = initial_reg_note_copy (REG_NOTES (insn), map);
+         SIBLING_CALL_P (copy) = SIBLING_CALL_P (insn);
 
          /* Because the USAGE information potentially contains objects other
             than hard registers, we need to copy it.  */