From: Richard Stallman <rms@gnu.org>
Date: Sat, 12 Jun 1993 23:42:59 +0000 (+0000)
Subject: (record_jump_cond): Look up op1 again after inserting op0.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=5d5ea90929d24044ac05c891fcc8f7859e52daae;p=gcc.git

(record_jump_cond): Look up op1 again after inserting op0.

From-SVN: r4669
---

diff --git a/gcc/cse.c b/gcc/cse.c
index 8ae97142760..0e1fe8431c1 100644
--- a/gcc/cse.c
+++ b/gcc/cse.c
@@ -5619,6 +5619,9 @@ record_jump_cond (code, mode, op0, op1, reversed_nonequality)
       qty_comparison_code[reg_qty[REGNO (op0)]] = code;
       if (GET_CODE (op1) == REG)
 	{
+	  /* Look it up again--in case op0 and op1 are the same.  */
+	  op1_elt = lookup (op1, op1_hash_code, mode);
+
 	  /* Put OP1 in the hash table so it gets a new quantity number.  */
 	  if (op1_elt == 0)
 	    {