From: Alexandre Oliva <aoliva@redhat.com>
Date: Fri, 19 Jan 2001 22:31:21 +0000 (+0000)
Subject: sh.c (prepare_move_operands): Use operands[0] as temporary if no_new_pseudos.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=68c37dc9015b5dd1a5692bdf5d4e8729caac40b7;p=gcc.git

sh.c (prepare_move_operands): Use operands[0] as temporary if no_new_pseudos.

* config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
temporary if no_new_pseudos.

From-SVN: r39145
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 24f4796ef8a..0f050d48ae5 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2001-01-19  Alexandre Oliva  <aoliva@redhat.com>
+
+	* config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
+	temporary if no_new_pseudos.
+
 2001-01-19  Neil Booth  <neil@daikokuya.demon.co.uk>
 
         * cppinternals.texi: Update.
diff --git a/gcc/config/sh/sh.c b/gcc/config/sh/sh.c
index ce50f519c45..c89db668b90 100644
--- a/gcc/config/sh/sh.c
+++ b/gcc/config/sh/sh.c
@@ -475,11 +475,14 @@ prepare_move_operands (operands, mode)
 	       && GET_CODE (XEXP (operands[1], 0)) == PLUS
 	       && SYMBOLIC_CONST_P (XEXP (XEXP (operands[1], 0), 0)))
 	{
+	  temp = no_new_pseudos ? operands[0] : gen_reg_rtx (Pmode);
 	  temp = legitimize_pic_address (XEXP (XEXP (operands[1], 0), 0),
-					 SImode, gen_reg_rtx (Pmode));
+					 SImode, temp);
 	  operands[1] = expand_binop (SImode, add_optab, temp,
 				      XEXP (XEXP (operands[1], 0), 1),
-				      gen_reg_rtx (Pmode), 0, OPTAB_LIB_WIDEN);
+				      no_new_pseudos ? temp
+				      : gen_reg_rtx (Pmode),
+				      0, OPTAB_LIB_WIDEN);
 	}
     }