rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.

        * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
        (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
        * rs6000.c (expand_block_move): Match movstrsi_?reg register
        changes.

From-SVN: r29895

gcc/ChangeLog

+Sun Oct 10 20:05:21 1999  David Edelsohn  <edelsohn@gnu.org>
+
+	* rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
+	(scc patterns): Disable most SImode variants if TARGET_POWERPC64.
+	* rs6000.c (expand_block_move): Match movstrsi_?reg register
+	changes.
+
 Sun Oct 10 16:37:01 1999  Richard Henderson  <rth@cygnus.com>
 
 	* haifa-sched.c (sched_reg_n_calls_crossed): Delete.
@@ -242,7 +249,7 @@ Thu Oct  7 22:53:00 1999  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
         (make_lang_type_fn): Likewise.
         * rs6000.c (rs6000_build_va_list): Use make_lang_type.
 
-Thu Oct  7 00:36:17 MDT 1999	Diego Novillo <dnovillo@cygnus.com>
+Thu Oct  7 00:36:17 1999  Diego Novillo  <dnovillo@cygnus.com>
 
 	* config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
 	make sure that HIGH instructions are copied into BASE_REGS.

gcc/config/rs6000/rs6000.c

@@ -2136,12 +2136,12 @@ expand_block_move (operands)
 					    align_rtx));
 	    }
 	  else if (bytes > 16	/* move up to 24 bytes at a time */
+		   && ! fixed_regs[5]
+		   && ! fixed_regs[6]
 		   && ! fixed_regs[7]
 		   && ! fixed_regs[8]
 		   && ! fixed_regs[9]
-		   && ! fixed_regs[10]
-		   && ! fixed_regs[11]
-		   && ! fixed_regs[12])
+		   && ! fixed_regs[10])
 	    {
 	      move_bytes = (bytes > 24) ? 24 : bytes;
 	      emit_insn (gen_movstrsi_6reg (expand_block_move_mem (BLKmode,
@@ -2154,10 +2154,10 @@ expand_block_move (operands)
 					    align_rtx));
 	    }
 	  else if (bytes > 8	/* move up to 16 bytes at a time */
-		   && ! fixed_regs[9]
-		   && ! fixed_regs[10]
-		   && ! fixed_regs[11]
-		   && ! fixed_regs[12])
+		   && ! fixed_regs[5]
+		   && ! fixed_regs[6]
+		   && ! fixed_regs[7]
+		   && ! fixed_regs[8])
 	    {
 	      move_bytes = (bytes > 16) ? 16 : bytes;
 	      emit_insn (gen_movstrsi_4reg (expand_block_move_mem (BLKmode,