xstormy16: more misalignment fixes.

Yet more fixes for the xstormy16 word-alignment rules.

[cgen]
2003-05-01  DJ Delorie  <[email protected]>

	* cpu/xstormy16.cpu (alignfix-mem): Correct logic for unaligned
	word accesses.
	(set-alignfix-mem): Likewise.

[sid/component/cgen-cpu/xstormy16]
2003-05-01  DJ Delorie  <[email protected]>

	* xstormy16-sem.cxx: Regenerate.
	* xstormy16-write.cxx: Regenerate.

Index: cgen/cpu/xstormy16.cpu
===================================================================
RCS file: /cvs/uberbaum/./cgen/cpu/xstormy16.cpu,v
retrieving revision 1.8
diff -p -2 -r1.8 xstormy16.cpu
*** cgen/cpu/xstormy16.cpu	21 Mar 2003 06:15:55 -0000	1.8
--- cgen/cpu/xstormy16.cpu	1 May 2003 23:55:04 -0000
***************
*** 493,513 ****
  
  (define-pmacro (alignfix-mem where)
!   (if HI (and where 1)
!     (or HI
!       (and (sll (mem QI (sub where 1)) 8) #xFF00)
!       (and (mem QI where) #xFF))
!     (mem HI where)))
  
  (define-pmacro (set-alignfix-mem where what)
!   (sequence ((SI nwhere) (HI nwhat))
!     (set nwhere where)
!     (if (and nwhere 1)
!       (sequence ()
! 	(set nwhat (or HI
! 		    (and (sll what 8) #xFF00)
! 		    (and (srl what 8) #xFF)))
!         (set nwhere (sub nwhere 1)))
!       (set nwhat what))
!     (set (mem HI nwhere) what)))
  
  (dni movlmemimm
--- 493,500 ----
  
  (define-pmacro (alignfix-mem where)
!   (mem HI (and where #xFFFE)))
  
  (define-pmacro (set-alignfix-mem where what)
!   (set (mem HI (and where #xFFFE)) what))
  
  (dni movlmemimm