xref: /netbsd-src/external/gpl3/gcc.old/dist/gcc/config/m32c/m32c.md (revision b7b7574d3bf8eeb51a1fa3977b59142ec6434a55)
1;; Machine Descriptions for R8C/M16C/M32C
2;; Copyright (C) 2005, 2007
3;; Free Software Foundation, Inc.
4;; Contributed by Red Hat.
5;;
6;; This file is part of GCC.
7;;
8;; GCC is free software; you can redistribute it and/or modify it
9;; under the terms of the GNU General Public License as published
10;; by the Free Software Foundation; either version 3, or (at your
11;; option) any later version.
12;;
13;; GCC is distributed in the hope that it will be useful, but WITHOUT
14;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
15;; or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
16;; License for more details.
17;;
18;; You should have received a copy of the GNU General Public License
19;; along with GCC; see the file COPYING3.  If not see
20;; <http://www.gnu.org/licenses/>.
21
22(define_constants
23  [(R0_REGNO 0)
24   (R2_REGNO 1)
25   (R1_REGNO 2)
26   (R3_REGNO 3)
27
28   (A0_REGNO 4)
29   (A1_REGNO 5)
30   (SB_REGNO 6)
31   (FB_REGNO 7)
32
33   (SP_REGNO 8)
34   (PC_REGNO 9)
35   (FLG_REGNO 10)
36   (MEM0_REGNO 12)
37   (MEM7_REGNO 19)
38   ])
39
40(define_constants
41  [(UNS_PROLOGUE_END 1)
42   (UNS_EPILOGUE_START 2)
43   (UNS_EH_EPILOGUE 3)
44   (UNS_PUSHM 4)
45   (UNS_POPM 5)
46   (UNS_SMOVF 6)
47   (UNS_SSTR 7)
48   (UNS_SCMPU 8)
49   (UNS_SMOVU 9)
50   (UNS_FSETB 10)
51   (UNS_FREIT 11)
52   ])
53
54;; n = no change, x = clobbered.  The first 16 values are chosen such
55;; that the enum has one bit set for each flag.
56(define_attr "flags" "x,c,z,zc,s,sc,sz,szc,o,oc,oz,ozc,os,osc,osz,oszc,n" (const_string "n"))
57(define_asm_attributes [(set_attr "flags" "x")])
58
59(define_mode_iterator QHI [QI HI])
60(define_mode_iterator HPSI [(HI "TARGET_A16") (PSI "TARGET_A24")])
61(define_mode_iterator QHPSI [QI HI (PSI "TARGET_A24")])
62(define_mode_iterator QHSI [QI HI (SI "TARGET_A24")])
63(define_mode_attr bwl [(QI "b") (HI "w") (PSI "l") (SI "l")])
64
65(define_code_iterator eqne_cond [eq ne])
66
67
68(define_insn "nop"
69  [(const_int 0)]
70  ""
71  "nop"
72  [(set_attr "flags" "n")]
73)
74
75(define_insn "no_insn"
76  [(const_int 1)]
77  ""
78  ""
79  [(set_attr "flags" "n")]
80)
81