;;- Machine description for ROMP chip for GNU C compiler
-;; Copyright (C) 1988, 1991 Free Software Foundation, Inc.
+;; Copyright (C) 1988, 1991, 1993 Free Software Foundation, Inc.
;; Contributed by Richard Kenner (kenner@nyu.edu)
;; This file is part of GNU CC.
"loadha %0,%1"
[(set_attr "type" "load")])
+
+;; use cal16 instead of cal for constant source because combine requires
+;; the high bits of the register to be 0 after a HImode load of a constant
+
(define_insn ""
[(set (match_operand:HI 0 "reg_or_nonsymb_mem_operand" "=r,r,r,r,r,b,Q")
(match_operand:HI 1 "romp_operand" "r,I,n,s,Q,m,r"))]
"@
cas %0,%1,r0
lis %0,%1
- cal %0,%L1(r0)
+ cal16 %0,%L1(r0)
get %0,$%1
lh%N1 %0,%1
loadh %0,%1