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* [gcc r11-5772] loop-doloop: Add missing call to `onlyjump_p'
@ 2020-12-05 18:28 Maciej W. Rozycki
  0 siblings, 0 replies; only message in thread
From: Maciej W. Rozycki @ 2020-12-05 18:28 UTC (permalink / raw)
  To: gcc-cvs

https://gcc.gnu.org/g:4b70b2e07a589c4d50e14fa597eb164375a10a20

commit r11-5772-g4b70b2e07a589c4d50e14fa597eb164375a10a20
Author: Maciej W. Rozycki <macro@linux-mips.org>
Date:   Sat Dec 5 18:26:25 2020 +0000

    loop-doloop: Add missing call to `onlyjump_p'
    
    Keep any jump that has side effects as those must not be removed.
    
            gcc/
            * loop-doloop.c (add_test): Only remove the jump if `onlyjump_p'.

Diff:
---
 gcc/loop-doloop.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gcc/loop-doloop.c b/gcc/loop-doloop.c
index 02282d45bd5..661e50298cc 100644
--- a/gcc/loop-doloop.c
+++ b/gcc/loop-doloop.c
@@ -378,7 +378,7 @@ add_test (rtx cond, edge *e, basic_block dest)
   bb = split_edge_and_insert (*e, seq);
   *e = single_succ_edge (bb);
 
-  if (any_uncondjump_p (jump))
+  if (any_uncondjump_p (jump) && onlyjump_p (jump))
     {
       /* The condition is always true.  */
       delete_insn (jump);


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