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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [config/] [m32c/] [muldiv.md] - Blame information for rev 282

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1 282 jeremybenn 
;; 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
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;; License for more details.
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;;
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;; You should have received a copy of the GNU General Public License
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;; along with GCC; see the file COPYING3.  If not see
20 
;; .
21 
 
22 
;; multiply and divide
23 
 
24 
; Here is the pattern for the const_int.
25 
(define_insn "mulqihi3_c"
26 
  [(set (match_operand:HI 0 "mra_operand" "=RhiSd,??Rmm")
27 
        (mult:HI (sign_extend:HI (match_operand:QI 1 "mra_operand" "%0,0"))
28 
                 (match_operand 2 "immediate_operand" "i,i")))]
29 
  ""
30 
  "mul.b\t%2,%1"
31 
  [(set_attr "flags" "o")]
32 
)
33 
 
34 
; Here is the pattern for registers and such.
35 
(define_insn "mulqihi3_r"
36 
  [(set (match_operand:HI 0 "mra_operand" "=RhiSd,RhiSd,??Rmm,??Rmm,Raa,Raa")
37 
        (mult:HI (sign_extend:HI (match_operand:QI 1 "mra_operand" "%0,0,0,0,0,0"))
38 
                 (sign_extend:HI (match_operand:QI 2 "mra_operand" "RqiSd,?Rmm,RqiSd,?Rmm,RhlSd,?Rmm"))))]
39 
  ""
40 
  "mul.b\t%2,%1"
41 
  [(set_attr "flags" "o")]
42 
)
43 
 
44 
; Don't try to sign_extend a const_int.  Same for all other multiplies.
45 
(define_expand "mulqihi3"
46 
  [(set (match_operand:HI 0 "mra_operand" "=RhiSd,RhiSd,??Rmm,??Rmm,Raa,Raa")
47 
        (mult:HI (sign_extend:HI (match_operand:QI 1 "mra_operand" "%0,0,0,0,0,0"))
48 
                 (match_operand:QI 2 "mra_operand" "RqiSd,?Rmm,RqiSd,?Rmm,RhlSd,?Rmm")))]
49 
  ""
50 
  "{ if (GET_MODE (operands[2]) != VOIDmode)
51 
      operands[2] = gen_rtx_SIGN_EXTEND (HImode, operands[2]); }"
52 
)
53 
 
54 
(define_insn "umulqihi3_c"
55 
  [(set (match_operand:HI 0 "mra_operand" "=RhiSd,??Rmm")
56 
        (mult:HI (zero_extend:HI (match_operand:QI 1 "mra_operand" "%0,0"))
57 
                 (match_operand 2 "immediate_operand" "i,i")))]
58 
  ""
59 
  "mulu.b\t%U2,%1"
60 
  [(set_attr "flags" "o")]
61 
)
62 
 
63 
(define_insn "umulqihi3_r"
64 
  [(set (match_operand:HI 0 "mra_operand" "=RhiSd,RhiSd,??Rmm,??Rmm,Raa,Raa")
65 
        (mult:HI (zero_extend:HI (match_operand:QI 1 "mra_operand" "%0,0,0,0,0,0"))
66 
                 (zero_extend:HI (match_operand:QI 2 "mra_operand" "RqiSd,?Rmm,RqiSd,?Rmm,RhlSd,?Rmm"))))]
67 
  ""
68 
  "mulu.b\t%U2,%1"
69 
  [(set_attr "flags" "o")]
70 
)
71 
 
72 
(define_expand "umulqihi3"
73 
  [(set (match_operand:HI 0 "mra_operand" "=RhiSd,RhiSd,??Rmm,??Rmm,Raa,Raa")
74 
        (mult:HI (zero_extend:HI (match_operand:QI 1 "mra_operand" "%0,0,0,0,0,0"))
75 
                 (match_operand:QI 2 "mra_operand" "RqiSd,?Rmm,RqiSd,?Rmm,RhlSd,?Rmm")))]
76 
  ""
77 
  "{ if (GET_MODE (operands[2]) != VOIDmode)
78 
      operands[2] = gen_rtx_ZERO_EXTEND (HImode, operands[2]); }"
79 
)
80 
 
81 
(define_insn "mulhisi3_c"
82 
  [(set (match_operand:SI 0 "ra_operand" "=Rsi")
83 
        (mult:SI (sign_extend:SI (match_operand:HI 1 "mra_operand" "%0"))
84 
                 (match_operand:HI 2 "immediate_operand" "i")))]
85 
  ""
86 
  "mul.w\t%2,%1"
87 
  [(set_attr "flags" "o")]
88 
)
89 
 
90 
(define_insn "mulhisi3_r"
91 
  [(set (match_operand:SI 0 "mra_operand" "=Rsi,Rsi")
92 
        (mult:SI (sign_extend:SI (match_operand:HI 1 "mra_operand" "%0,0"))
93 
                 (sign_extend:SI (match_operand:HI 2 "mra_operand" "RhiSd,?Rmm"))))]
94 
  ""
95 
  "mul.w\t%2,%1"
96 
  [(set_attr "flags" "o")]
97 
)
98 
 
99 
(define_expand "mulhisi3"
100 
  [(set (match_operand:SI 0 "mra_operand" "=RsiSd,RsiSd,??Rmm,??Rmm")
101 
        (mult:SI (sign_extend:SI (match_operand:HI 1 "mra_operand" "%0,0,0,0"))
102 
                 (match_operand:HI 2 "mra_operand" "RhiSd,?Rmm,RhiSd,?Rmm")))]
103 
  ""
104 
  "{ if (GET_MODE (operands[2]) != VOIDmode)
105 
      operands[2] = gen_rtx_SIGN_EXTEND (SImode, operands[2]); }"
106 
)
107 
 
108 
(define_insn "umulhisi3_c"
109 
  [(set (match_operand:SI 0 "ra_operand" "=Rsi")
110 
        (mult:SI (zero_extend:SI (match_operand:HI 1 "mra_operand" "%0"))
111 
                 (match_operand 2 "immediate_operand" "i")))]
112 
  ""
113 
  "mulu.w\t%u2,%1"
114 
  [(set_attr "flags" "o")]
115 
)
116 
 
117 
(define_insn "umulhisi3_r"
118 
  [(set (match_operand:SI 0 "mra_operand" "=Rsi,Rsi")
119 
        (mult:SI (zero_extend:SI (match_operand:HI 1 "mra_operand" "%0,0"))
120 
                 (zero_extend:SI (match_operand:HI 2 "mra_operand" "RhiSd,?Rmm"))))]
121 
  ""
122 
  "mulu.w\t%u2,%1"
123 
  [(set_attr "flags" "o")]
124 
)
125 
 
126 
(define_expand "umulhisi3"
127 
  [(set (match_operand:SI 0 "mra_operand" "=RsiSd,RsiSd,??Rmm,??Rmm")
128 
        (mult:SI (zero_extend:SI (match_operand:HI 1 "mra_operand" "%0,0,0,0"))
129 
                 (match_operand:HI 2 "mra_operand" "RhiSd,?Rmm,RhiSd,?Rmm")))]
130 
  ""
131 
  "{ if (GET_MODE (operands[2]) != VOIDmode)
132 
      operands[2] = gen_rtx_ZERO_EXTEND (SImode, operands[2]); }"
133 
)
134 
 
135 
 
136 
; GCC expects to be able to multiply pointer-sized integers too, but
137 
; fortunately it only multiplies by powers of two, although sometimes
138 
; they're negative.
139 
(define_insn "mulpsi3_op"
140 
  [(set (match_operand:PSI 0 "mra_operand" "=RsiSd")
141 
        (mult:PSI (match_operand:PSI 1 "mra_operand" "%0")
142 
                  (match_operand 2 "m32c_psi_scale" "Ilb")))]
143 
  "TARGET_A24"
144 
  "shl.l\t%b2,%0"
145 
  [(set_attr "flags" "szc")]
146 
  )
147 
 
148 
(define_expand "mulpsi3"
149 
  [(set (match_operand:PSI 0 "mra_operand" "=RsiSd")
150 
        (mult:PSI (match_operand:PSI 1 "mra_operand" "%0")
151 
                  (match_operand 2 "m32c_psi_scale" "Ilb")))]
152 
  "TARGET_A24"
153 
  "if (GET_CODE (operands[2]) != CONST_INT
154 
       || ! m32c_psi_scale (operands[2], PSImode))
155 
     {
156 
       m32c_expand_neg_mulpsi3 (operands);
157 
       DONE;
158 
     }"
159 
  )
160 
 
161 
(define_insn "mulsi3"
162 
  [(set (match_operand:SI 0 "r0123_operand" "=R02,R02")
163 
        (mult:SI (match_operand:SI 1 "r0123_operand" "%0,0")
164 
                 (match_operand:SI 2 "mra_operand" "RsiSd,?Rmm")))]
165 
  "TARGET_M32C"
166 
  "mul.l\t%2,%1"
167 
  [(set_attr "flags" "o")]
168 
)
169 
 
170 
(define_expand "divmodqi4"
171 
  [(set (match_dup 4)
172 
        (sign_extend:HI (match_operand:QI 1 "register_operand" "0,0")))
173 
   (parallel [(set (match_operand:QI 0 "register_operand" "=R0w,R0w")
174 
                   (div:QI (match_dup 4)
175 
                           (match_operand:QI 2 "general_operand" "iRqiSd,?Rmm")))
176 
              (set (match_operand:QI 3 "register_operand" "=&R0h,&R0h")
177 
                   (mod:QI (match_dup 4) (match_dup 2)))
178 
              ])]
179 
  "0"
180 
  "operands[4] = gen_reg_rtx (HImode);"
181 
  )
182 
 
183 
(define_insn "divmodqi4_n"
184 
  [(set (match_operand:QI 0 "register_operand" "=R0l,R0l")
185 
        (div:QI (match_operand:HI 1 "register_operand" "R0w,R0w")
186 
                (match_operand:QI 2 "general_operand" "iRqiSd,?Rmm")))
187 
   (set (match_operand:QI 3 "register_operand" "=R0h,R0h")
188 
        (mod:QI (match_dup 1) (match_dup 2)))
189 
   ]
190 
  "0"
191 
  "div.b\t%2"
192 
  [(set_attr "flags" "o")]
193 
  )
194 
 
195 
(define_expand "udivmodqi4"
196 
  [(set (match_dup 4)
197 
        (zero_extend:HI (match_operand:QI 1 "register_operand" "0,0")))
198 
   (parallel [(set (match_operand:QI 0 "register_operand" "=R0l,R0l")
199 
                   (udiv:QI (match_dup 4)
200 
                           (match_operand:QI 2 "general_operand" "iRqiSd,?Rmm")))
201 
              (set (match_operand:QI 3 "register_operand" "=&R0h,&R0h")
202 
                   (umod:QI (match_dup 4) (match_dup 2)))
203 
              ])]
204 
  "0"
205 
  "operands[4] = gen_reg_rtx (HImode);"
206 
  )
207 
 
208 
(define_insn "udivmodqi4_n"
209 
  [(set (match_operand:QI 0 "register_operand" "=R0l,R0l")
210 
        (udiv:QI (match_operand:HI 1 "register_operand" "R0w,R0w")
211 
                (match_operand:QI 2 "general_operand" "iRqiSd,?Rmm")))
212 
   (set (match_operand:QI 3 "register_operand" "=R0h,R0h")
213 
        (umod:QI (match_dup 1) (match_dup 2)))
214 
   ]
215 
  "0"
216 
  "divu.b\t%2"
217 
  [(set_attr "flags" "o")]
218 
  )
219 
 
220 
(define_expand "divmodhi4"
221 
  [(set (match_dup 4)
222 
        (sign_extend:SI (match_operand:HI 1 "register_operand" "0,0")))
223 
   (parallel [(set (match_operand:HI 0 "register_operand" "=R0w,R0w")
224 
                   (div:HI (match_dup 4)
225 
                           (match_operand:HI 2 "general_operand" "iRhiSd,?Rmm")))
226 
              (set (match_operand:HI 3 "register_operand" "=R2w,R2w")
227 
                   (mod:HI (match_dup 4) (match_dup 2)))
228 
              ])]
229 
  ""
230 
  "operands[4] = gen_reg_rtx (SImode);"
231 
  )
232 
 
233 
(define_insn "divmodhi4_n"
234 
  [(set (match_operand:HI 0 "m32c_r0_operand" "=R0w,R0w")
235 
        (div:HI (match_operand:SI 1 "m32c_r0_operand" "R02,R02")
236 
                (match_operand:HI 2 "m32c_notr2_operand" "iR1wR3wRaaSd,?Rmm")))
237 
   (set (match_operand:HI 3 "m32c_r2_operand" "=R2w,R2w")
238 
        (mod:HI (match_dup 1) (match_dup 2)))
239 
   ]
240 
  ""
241 
  "div.w\t%2"
242 
  [(set_attr "flags" "o")]
243 
  )
244 
 
245 
(define_expand "udivmodhi4"
246 
  [(set (match_dup 4)
247 
        (zero_extend:SI (match_operand:HI 1 "register_operand" "0,0")))
248 
   (parallel [(set (match_operand:HI 0 "register_operand" "=R0w,R0w")
249 
                   (udiv:HI (match_dup 4)
250 
                           (match_operand:HI 2 "general_operand" "iRhiSd,?Rmm")))
251 
              (set (match_operand:HI 3 "register_operand" "=R2w,R2w")
252 
                   (umod:HI (match_dup 4) (match_dup 2)))
253 
              ])]
254 
  ""
255 
  "operands[4] = gen_reg_rtx (SImode);"
256 
  )
257 
 
258 
(define_insn "udivmodhi4_n"
259 
  [(set (match_operand:HI 0 "m32c_r0_operand" "=R0w,R0w")
260 
        (udiv:HI (match_operand:SI 1 "m32c_r0_operand" "R02,R02")
261 
                (match_operand:HI 2 "m32c_notr2_operand" "iR1wR3wRaaSd,?Rmm")))
262 
   (set (match_operand:HI 3 "m32c_r2_operand" "=R2w,R2w")
263 
        (umod:HI (match_dup 1) (match_dup 2)))
264 
   ]
265 
  ""
266 
  "divu.w\t%2"
267 
  [(set_attr "flags" "o")]
268 
  )
269 
 
270 
(define_insn "divsi3"
271 
  [(set (match_operand:SI 0 "r0123_operand" "=R02,R02")
272 
        (div:SI (match_operand:SI 1 "r0123_operand" "0,0")
273 
                (match_operand:SI 2 "mra_operand" "RsiSd,?Rmm")))]
274 
  "TARGET_M32C"
275 
  "div.l\t%2"
276 
  [(set_attr "flags" "o")]
277 
)
278 
 
279 
(define_insn "udivsi3"
280 
  [(set (match_operand:SI 0 "r0123_operand" "=R02,R02")
281 
        (udiv:SI (match_operand:SI 1 "r0123_operand" "0,0")
282 
                 (match_operand:SI 2 "mra_operand" "RsiSd,?Rmm")))]
283 
  "TARGET_M32C"
284 
  "divu.l\t%2"
285 
  [(set_attr "flags" "o")]
286 
)
287 
 
288 
 

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