alpha.md (*cmp_sadd_sidi): Use gen_lowpart instead of gen_rtx_REG to generate operand 5.

	* config/alpha/alpha.md (*cmp_sadd_sidi): Use gen_lowpart instead
	of gen_rtx_REG to generate operand 5.
	(*cmp_ssub_sidi): Ditto.

From-SVN: r154455

gcc/ChangeLog

+2009-11-23  Uros Bizjak  <ubizjak@gmail.com>
+
+	* config/alpha/alpha.md (*cmp_sadd_sidi): Use gen_lowpart instead
+	of gen_rtx_REG to generate operand 5.
+	(*cmp_ssub_sidi): Ditto.
+
 2009-11-23  Richard Henderson  <rth@redhat.com>
 
 	* config/i386/i386.c (avx_vpermilp_parallel): Fix sign compare
@@ -28,7 +34,7 @@
 
 2009-11-22  Richard Earnshaw  <rearnsha@arm.com>
 
-	* opts.c (decode_options): Don't enable flag_schedule_insns 
+	* opts.c (decode_options): Don't enable flag_schedule_insns
 	when optimizing for size.
 	* doc/invoke.texi: Document change.
 

gcc/config/alpha/alpha.md

@@ -4225,7 +4225,7 @@
   if (can_create_pseudo_p ())
     operands[5] = gen_reg_rtx (SImode);
   else if (reg_overlap_mentioned_p (operands[5], operands[4]))
-    operands[5] = gen_rtx_REG (SImode, REGNO (operands[0]));
+    operands[5] = gen_lowpart (SImode, operands[0]);
 })
 
 (define_insn_and_split "*cmp_ssub_di"
@@ -4301,7 +4301,7 @@
   if (can_create_pseudo_p ())
     operands[5] = gen_reg_rtx (SImode);
   else if (reg_overlap_mentioned_p (operands[5], operands[4]))
-    operands[5] = gen_rtx_REG (SImode, REGNO (operands[0]));
+    operands[5] = gen_lowpart (SImode, operands[0]);
 })
 
 ;; Here are the CALL and unconditional branch insns.  Calls on NT and OSF