From: Michael Meissner <meissner@gcc.gnu.org>
Date: Tue, 18 Apr 1995 18:08:17 +0000 (+0000)
Subject: Do not generate mem->mem SF moves if -msoft-float
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=3b7f6cca3532086bcd6675e87bacfcf680a8a8ee;p=gcc.git

Do not generate mem->mem SF moves if -msoft-float

From-SVN: r9408
---

diff --git a/gcc/config/rs6000/rs6000.md b/gcc/config/rs6000/rs6000.md
index 1b253616ca0..cef070dc331 100644
--- a/gcc/config/rs6000/rs6000.md
+++ b/gcc/config/rs6000/rs6000.md
@@ -3923,7 +3923,10 @@
       && REGNO (SUBREG_REG (operands[1])) < FIRST_PSEUDO_REGISTER)
     operands[1] = alter_subreg (operands[1]);
 
-  if (TARGET_HARD_FLOAT)
+  if (TARGET_SOFT_FLOAT && GET_CODE (operands[0]) == MEM)
+    operands[1] = force_reg (SFmode, operands[1]);
+
+  else if (TARGET_HARD_FLOAT)
     {
       if (GET_CODE (operands[1]) == REG && REGNO (operands[1]) < 32)
 	{
@@ -3956,7 +3959,7 @@
 	  /* If operands[1] is a register, it may have double-precision data
 	     in it, so truncate it to single precision.  We need not do
 	     this for POWERPC.  */
-	  if (! TARGET_POWERPC && TARGET_HARD_FLOAT && GET_CODE (operands[1]) == REG)
+	  if (! TARGET_POWERPC && GET_CODE (operands[1]) == REG)
 	    {
 	      rtx newreg = reload_in_progress ? operands[1] : gen_reg_rtx (SFmode);
 	      emit_insn (gen_truncdfsf2 (newreg,