From: Jeff Law <law@gcc.gnu.org>
Date: Sat, 12 Jun 1999 02:44:18 +0000 (-0600)
Subject: sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands that require PIC code... 
X-Git-Tag: releases/libgcj-2.95.0~177
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1256ed02808b685d3f08b9eff26299f124c7c97b;p=thirdparty%2Fgcc.git

sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands that require PIC code sequences.

`
        * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
        that require PIC code sequences.

From-SVN: r27495
---

diff --git a/gcc/config/sparc/sparc.h b/gcc/config/sparc/sparc.h
index b00a145164dd..2c1a5b506dbe 100644
--- a/gcc/config/sparc/sparc.h
+++ b/gcc/config/sparc/sparc.h
@@ -2584,8 +2584,11 @@ extern struct rtx_def *legitimize_pic_address ();
 
    For Sparc 32, we wish to handle addresses by splitting them into
    HIGH+LO_SUM pairs, retaining the LO_SUM in the memory reference. 
-   This cuts the number of extra insns by one.  */
-   
+   This cuts the number of extra insns by one.
+
+   Do nothing when generating PIC code and the address is a
+   symbolic operand or requires a scratch register.  */
+
 #define LEGITIMIZE_RELOAD_ADDRESS(X,MODE,OPNUM,TYPE,IND_LEVELS,WIN)     \
 do {                                                                    \
   /* Decompose SImode constants into hi+lo_sum.  We do have to 		\
@@ -2593,7 +2596,10 @@ do {                                                                    \
   if (CONSTANT_P (X)							\
       && (MODE != TFmode || TARGET_V9)					\
       && GET_MODE (X) == SImode						\
-      && GET_CODE (X) != LO_SUM && GET_CODE (X) != HIGH)		\
+      && GET_CODE (X) != LO_SUM && GET_CODE (X) != HIGH			\
+      && ! (flag_pic							\
+	    && (symbolic_operand (X, Pmode))				\
+		|| pic_address_needs_scratch (X)))			\
     {									\
       X = gen_rtx_LO_SUM (GET_MODE (X),					\
 			  gen_rtx_HIGH (GET_MODE (X), X), X);		\