/*
	This C language subroutine compares two strings.
	
	The Run Time Library for the C Language.

	Gordon A. Sterling	(617) 461 - 3076
	DSP Development Tools Engineering

	Created on 4/30/90
	Updated on 5/94 by AS
	Updated on 3/95 by AS - separated polymorphic functions

	#include <string.h>				<Header>
	int strcmp(const char *s1, const char *s2);	<Prototype>

*/

#include "lib_glob.h"
#include "str_glob.h"

.SEGMENT/CODE	Code_Space_Name;
.FILE RTL_FILENAME;

.GLOBAL	    ___strcmpPD;

___strcmpPD:		
compare_core:	R0=PASS R8, dm_ptr=R8;		/*Point to s2	*/
		R2=PASS R4, pm_ptr=R4;		/*Point to s1	*/
	    
pm_to_dm_compare:R2=PM(pm_ptr,1);		/*Read *s1	*/
		DO pm_dm UNTIL FOREVER;
		   R2=PASS R2, R0=DM(dm_ptr,1);	/*Read *s2	*/
		   IF EQ JUMP (PC, restore_state) (LA);
		   R0=R2-R0, R2=PM(pm_ptr,1);
pm_dm:		   IF NE JUMP (PC, restore_state) (LA);

restore_state:	FETCH_RETURN
		RETURN (DB);
		RESTORE_STACK
                RESTORE_FRAME
.ENDSEG;