reload1.c (reload_reg_free_before_p): RELOAD_FOR_OUTADDR_ADDRESS is earlier than…

reload1.c (reload_reg_free_before_p): RELOAD_FOR_OUTADDR_ADDRESS is earlier than RELOAD_FOR_OUTPUT_ADDRESS...

	* reload1.c (reload_reg_free_before_p): RELOAD_FOR_OUTADDR_ADDRESS
	is earlier than RELOAD_FOR_OUTPUT_ADDRESS; RELOAD_FOR_INPADDR_ADDRESS
	is earlier than RELOAD_FOR_INPUT_ADDRESS.

From-SVN: r20526

gcc/ChangeLog

+Tue Jun 16 23:33:24 1998  J"orn Rennecke <amylaar@cygnus.co.uk>
+
+	* reload1.c (reload_reg_free_before_p): RELOAD_FOR_OUTADDR_ADDRESS
+	is earlier than RELOAD_FOR_OUTPUT_ADDRESS; RELOAD_FOR_INPADDR_ADDRESS
+	is earlier than RELOAD_FOR_INPUT_ADDRESS.
+
 Tue Jun 16 13:15:16 1998  Jim Wilson  <wilson@cygnus.com>
 
 	* libgcc1-test.c (memcpy): Define.

gcc/reload1.c

@@ -4658,6 +4658,10 @@ reload_reg_free_before_p (regno, opnum, type)
 	 the first place, since we know that it was allocated.  */
 
     case RELOAD_FOR_OUTPUT_ADDRESS:
+      /* Earlier reloads include RELOAD_FOR_INPADDR_ADDRESS reloads.  */
+      if (TEST_HARD_REG_BIT (reload_reg_used_in_outaddr_addr[opnum], regno))
+	return 0;
+      /* ... fall through ...  */
     case RELOAD_FOR_OUTADDR_ADDRESS:
       /* Earlier reloads are for earlier outputs or their addresses,
 	 any RELOAD_FOR_INSN reloads, any inputs or their addresses, or any
@@ -4738,6 +4742,10 @@ reload_reg_free_before_p (regno, opnum, type)
       return ! TEST_HARD_REG_BIT (reload_reg_used_in_other_addr, regno);
 
     case RELOAD_FOR_INPUT_ADDRESS:
+      /* Earlier reloads include RELOAD_FOR_INPADDR_ADDRESS reloads.  */
+      if (TEST_HARD_REG_BIT (reload_reg_used_in_inpaddr_addr[opnum], regno))
+	return 0;
+      /* ... fall through ...  */
     case RELOAD_FOR_INPADDR_ADDRESS:
       /* Similarly, all we have to check is for use in earlier inputs'
 	 addresses.  */