From: Jeff Law <law@gcc.gnu.org>
Date: Tue, 27 Jan 1998 23:04:34 +0000 (-0700)
Subject: More comment tweaks.
X-Git-Tag: releases/libf2c-0.5.21~42
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=2e1c4154c1435db1cbef05a2fe367ae56c007b33;p=thirdparty%2Fgcc.git

More comment tweaks.

From-SVN: r17525
---

diff --git a/gcc/config/m32r/m32r.md b/gcc/config/m32r/m32r.md
index fc1b4cc9480a..5e40acd3a54f 100644
--- a/gcc/config/m32r/m32r.md
+++ b/gcc/config/m32r/m32r.md
@@ -379,6 +379,8 @@
 	{
 	  /* Try to use auto-inc addressing if we can.  */
 	  if (GET_CODE (XEXP (operands[1], 0)) == REG
+	    /* ??? This is WRONG, dead_or_set_p cannot be used after reload
+	       because the REG_DEAD notes are not maintained after reload.  */
 	      && dead_or_set_p (insn, XEXP (operands[1], 0)))
 	    {
 	      operands[1] = XEXP (operands[1], 0);
@@ -389,6 +391,8 @@
     case 3 :
       /* Try to use auto-inc addressing if we can.  */
       if (GET_CODE (XEXP (operands[0], 0)) == REG
+	  /* ??? This is WRONG, dead_or_set_p cannot be used after reload
+	     because the REG_DEAD notes are not maintained after reload.  */
 	  && dead_or_set_p (insn, XEXP (operands[0], 0)))
 	{
 	  operands[0] = XEXP (operands[0], 0);
@@ -530,6 +534,8 @@
 	{
 	  /* Try to use auto-inc addressing if we can.  */
 	  if (GET_CODE (XEXP (operands[1], 0)) == REG
+	      /* ??? This is WRONG, dead_or_set_p cannot be used after reload
+		 because the REG_DEAD notes are not maintained after reload.  */
 	      && dead_or_set_p (insn, XEXP (operands[1], 0)))
 	    {
 	      operands[1] = XEXP (operands[1], 0);
@@ -540,6 +546,8 @@
     case 3 :
       /* Try to use auto-inc addressing if we can.  */
       if (GET_CODE (XEXP (operands[0], 0)) == REG
+	  /* ??? This is WRONG, dead_or_set_p cannot be used after reload
+	     because the REG_DEAD notes are not maintained after reload.  */
 	  && dead_or_set_p (insn, XEXP (operands[0], 0)))
 	{
 	  operands[0] = XEXP (operands[0], 0);