Patch to fix coldfire bugs found by PlumHall testing.

	* config/m68k/lb1sf68.asm (udivsi3): Change jmi to jcs.  Fix comments.
	* config/m68k/m68k.h (LEGITIMATE_INDEX_REG_P): Reject SIGN_EXTEND of
	HImode reg when TARGET_5200.

From-SVN: r25516

gcc/ChangeLog

+Mon Mar  1 15:03:51 1999  Jim Wilson  <wilson@cygnus.com>
+
+	* config/m68k/lb1sf68.asm (udivsi3): Change jmi to jcs.  Fix comments.
+	* config/m68k/m68k.h (LEGITIMATE_INDEX_REG_P): Reject SIGN_EXTEND of
+	HImode reg when TARGET_5200.
+
 Mon Mar  1 21:44:30 1999  J"orn Rennecke <amylaar@cygnus.co.uk>
 
 	From Toshiyasu Morita:

gcc/config/m68k/lb1sf68.asm

@@ -382,9 +382,9 @@ L1:	addl	d0,d0		| shift reg pair (p,a) one bit left
 	addxl	d2,d2
 	movl	d2,d3		| subtract b from p, store in tmp.
 	subl	d1,d3
-	jmi	L2		| if the result is not is negative, set the
-	bset	IMM (0),d0	| low order bit of a to 1 and store tmp in p.
-	movl	d3,d2
+	jcs	L2		| if no carry,
+	bset	IMM (0),d0	| set the low order bit of a to 1,
+	movl	d3,d2		| and store tmp in p.
 L2:	subql	IMM (1),d4
 	jcc	L1
 	moveml	sp@,d2-d4	| restore data registers

gcc/config/m68k/m68k.h

@@ -1463,9 +1463,11 @@ __transfer_from_trampoline ()					\
 	  && (TARGET_68020 || (unsigned) INTVAL (XEXP (X, 0)) + 0x80 < 0x100))		\
 	{ rtx go_temp = XEXP (X, 1); GO_IF_INDEXING (go_temp, ADDR); } } }
 
+/* coldfire/5200 does not allow HImode index registers.  */
 #define LEGITIMATE_INDEX_REG_P(X)   \
   ((GET_CODE (X) == REG && REG_OK_FOR_INDEX_P (X))	\
-   || (GET_CODE (X) == SIGN_EXTEND			\
+   || (! TARGET_5200					\
+       && GET_CODE (X) == SIGN_EXTEND			\
        && GET_CODE (XEXP (X, 0)) == REG			\
        && GET_MODE (XEXP (X, 0)) == HImode		\
        && REG_OK_FOR_INDEX_P (XEXP (X, 0)))		\