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

`
        * 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 b00a145164ddf2386a9426444c56df94d99c52ac..2c1a5b506dbe3acc2fc25ff61ace27a6bc7e7f70 100644 (file)
--- 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);           \