From: Vladimir Makarov <vmakarov@redhat.com>
Date: Fri, 8 Feb 2019 19:01:10 +0000 (+0000)
Subject: re PR middle-end/88560 (armv8_2-fp16-move-1.c and related regressions after r266385)
X-Git-Tag: upstream/12.2.0~26305
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=82396b8cfb651c9d7ae108d33648ff5cb7b9bce0;p=platform%2Fupstream%2Fgcc.git

re PR middle-end/88560 (armv8_2-fp16-move-1.c and related regressions after r266385)

2019-02-08  Vladimir Makarov  <vmakarov@redhat.com>

	PR middle-end/88560
	* lra-constraints.c (process_alt_operands): Don't increase reject
	for memory when offset memory is required.

From-SVN: r268705
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 7bdcc07..9e5a140 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2019-02-08  Vladimir Makarov  <vmakarov@redhat.com>
+
+	PR middle-end/88560
+	* lra-constraints.c (process_alt_operands): Don't increase reject
+	for memory when offset memory is required.
+
 2019-02-08  Robin Dapp  <rdapp@linux.ibm.com>
 
 	* config/s390/vector.md: Implement vector copysign.
diff --git a/gcc/lra-constraints.c b/gcc/lra-constraints.c
index 3b975cc..17ea2c5 100644
--- a/gcc/lra-constraints.c
+++ b/gcc/lra-constraints.c
@@ -2796,29 +2796,32 @@ process_alt_operands (int only_alternative)
 			      (GET_MODE (op), this_alternative, cl)))))
 		losers++;
 
-	      /* Input reloads can be inherited more often than output
-		 reloads can be removed, so penalize output
-		 reloads.  */
-	      if (!REG_P (op) || curr_static_id->operand[nop].type != OP_IN)
-		{
-		  if (lra_dump_file != NULL)
-		    fprintf
-		      (lra_dump_file,
-		       "            %d Non input pseudo reload: reject++\n",
-		       nop);
-		  reject++;
-		}
-
 	      if (MEM_P (op) && offmemok)
 		addr_losers++;
-	      else if (curr_static_id->operand[nop].type == OP_INOUT)
+	      else
 		{
-		  if (lra_dump_file != NULL)
-		    fprintf
-		      (lra_dump_file,
-		       "            %d Input/Output reload: reject+=%d\n",
-		       nop, LRA_LOSER_COST_FACTOR);
-		  reject += LRA_LOSER_COST_FACTOR;
+		  /* Input reloads can be inherited more often than
+		     output reloads can be removed, so penalize output
+		     reloads.  */
+		  if (!REG_P (op) || curr_static_id->operand[nop].type != OP_IN)
+		    {
+		      if (lra_dump_file != NULL)
+			fprintf
+			  (lra_dump_file,
+			   "            %d Non input pseudo reload: reject++\n",
+			   nop);
+		      reject++;
+		    }
+
+		  if (curr_static_id->operand[nop].type == OP_INOUT)
+		    {
+		      if (lra_dump_file != NULL)
+			fprintf
+			  (lra_dump_file,
+			   "            %d Input/Output reload: reject+=%d\n",
+			   nop, LRA_LOSER_COST_FACTOR);
+		      reject += LRA_LOSER_COST_FACTOR;
+		    }
 		}
 	    }