From: Jozef Lawrynowicz <jozef.l@mittosystems.com>
Date: Mon, 21 Oct 2019 20:44:16 +0000 (+0000)
Subject: expr.c (expand_expr_real_2): Don't widen constant op1 when expanding widening multipl... 
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=c01d9cfe840a1b9c5e6fa68f5af4fe321263bc7f;p=gcc.git

expr.c (expand_expr_real_2): Don't widen constant op1 when expanding widening multiplication.

2019-10-21  Jozef Lawrynowicz  <jozef.l@mittosystems.com>

	* expr.c (expand_expr_real_2): Don't widen constant op1 when expanding
	widening multiplication.

From-SVN: r277271
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 50121777940..2aa5536cf32 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2019-10-21  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
+
+	* expr.c (expand_expr_real_2): Don't widen constant op1 when expanding
+	widening multiplication.
+
 2019-10-21  Richard Earnshaw  <rearnsha@arm.com>
 
 	* config/arm/iterators.md (t2_binop0): Fix typo in comment.
diff --git a/gcc/expr.c b/gcc/expr.c
index b54bf1d3dc5..476c6865f20 100644
--- a/gcc/expr.c
+++ b/gcc/expr.c
@@ -8954,9 +8954,6 @@ expand_expr_real_2 (sepops ops, rtx target, machine_mode tmode,
 		     != INTEGER_CST check.  Handle it.  */
 		  if (GET_MODE (op0) == VOIDmode && GET_MODE (op1) == VOIDmode)
 		    goto widen_mult_const;
-		  if (TREE_CODE (treeop1) == INTEGER_CST)
-		    op1 = convert_modes (mode, word_mode, op1,
-					 TYPE_UNSIGNED (TREE_TYPE (treeop1)));
 		  temp = expand_binop (mode, other_optab, op0, op1, target,
 				       unsignedp, OPTAB_LIB_WIDEN);
 		  hipart = gen_highpart (word_mode, temp);