darwin.md (load_macho_picbase): Use link register only.

2007-04-18  Eric Christopher  <echristo@apple.com>

        * config/rs6000/darwin.md (load_macho_picbase): Use link register
        only. Update operands.
        * config/rs6000/rs6000.c (rs6000_emit_prologue): Update caller.
        * config/rs6000/rs6000.md (builtin_setjmp_receiver): Ditto. Move from
        link register to pic register.

From-SVN: r123960

gcc/ChangeLog

-2007-04-18  Philippe De Muyter  <phdm@macqel.be>
+2007-04-18  Eric Christopher  <echristo@apple.com>
 
-	* config/m68k/m68k.c (output_btst): Use `movew to ccr' when useful.
+	* config/rs6000/darwin.md (load_macho_picbase): Use link register
+	only. Update operands.
+	* config/rs6000/rs6000.c (rs6000_emit_prologue): Update caller.
+	* config/rs6000/rs6000.md (builtin_setjmp_receiver): Ditto. Move from
+	link register to pic register.
 
 2007-04-18  Dirk Mueller  <dmueller@suse.de>
 

gcc/config/rs6000/darwin.md

@@ -239,15 +239,15 @@ Boston, MA 02110-1301, USA.  */
   "")
 
 (define_expand "load_macho_picbase"
-  [(set (match_operand 0 "" "")
-        (unspec [(match_operand 1 "" "")]
+  [(set (reg:SI 65)
+        (unspec [(match_operand 0 "" "")]
                    UNSPEC_LD_MPIC))]
   "(DEFAULT_ABI == ABI_DARWIN) && flag_pic"
 {
   if (TARGET_32BIT)
-    emit_insn (gen_load_macho_picbase_si (operands[1]));
+    emit_insn (gen_load_macho_picbase_si (operands[0]));
   else
-    emit_insn (gen_load_macho_picbase_di (operands[1]));
+    emit_insn (gen_load_macho_picbase_di (operands[0]));
 
   DONE;
 })
@@ -437,4 +437,3 @@ Boston, MA 02110-1301, USA.  */
 }"
   [(set_attr "type" "branch")
    (set_attr "length" "4")])
-

gcc/config/rs6000/rs6000.c

@@ -15160,7 +15160,7 @@ rs6000_emit_prologue (void)
       if (!info->lr_save_p)
 	rs6000_maybe_dead (emit_move_insn (gen_rtx_REG (Pmode, 0), lr));
 
-      rs6000_maybe_dead (emit_insn (gen_load_macho_picbase (lr, src)));
+      rs6000_maybe_dead (emit_insn (gen_load_macho_picbase (src)));
 
       insn = emit_move_insn (gen_rtx_REG (Pmode,
 					  RS6000_PIC_OFFSET_TABLE_REGNUM),

gcc/config/rs6000/rs6000.md

@@ -10559,7 +10559,8 @@
 				  CODE_LABEL_NUMBER (operands[0]));
       tmplabrtx = gen_rtx_SYMBOL_REF (Pmode, ggc_strdup (tmplab));
 
-      emit_insn (gen_load_macho_picbase (picreg, tmplabrtx));
+      emit_insn (gen_load_macho_picbase (tmplabrtx));
+      emit_move_insn (picreg, gen_rtx_REG (Pmode, LINK_REGISTER_REGNUM));
       emit_insn (gen_macho_correct_pic (picreg, picreg, picrtx, tmplabrtx));
     }
   else