From: Jeffrey A Law <law@cygnus.com>
Date: Sat, 12 Jun 1999 02:42:16 +0000 (+0000)
Subject: sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands that require PIC code... 
X-Git-Tag: prereleases/gcc-2.95-test~230
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d9f77a641b15705a0980cf354660fb975751a4da;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.
Fixes libstdc++ & libg++ failures on sparc platforms.

From-SVN: r27493
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 83248e57030d..5e793da37113 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+Sat Jun 12 03:40:42 1999  Jeffrey A Law  (law@cygnus.com)
+
+	* sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
+	that require PIC code sequences.
+
 Fri Jun 11 03:17:51 1999  Jeffrey A Law  (law@cygnus.com)
 
 	* Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
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);		\