1 ; Toshiba MeP C5 Core description. -*- scheme -*-
3 ; Free Software Foundation, Inc.
4 ; Contributed by Red Hat, Inc.
6 ; This file is part of GCC.
8 ; GCC is free software; you can redistribute it and/or modify it under
9 ; the terms of the GNU General Public License as published by the Free
10 ; Software Foundation; either version 3, or (at your option) any later
13 ; GCC is distributed in the hope that it will be useful, but WITHOUT ANY
14 ; WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 ; FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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/>.
22 (dnf f-c5n4 "extended field" (all-mep-core-isas) 16 4)
23 (dnf f-c5n5 "extended field" (all-mep-core-isas) 20 4)
24 (dnf f-c5n6 "extended field" (all-mep-core-isas) 24 4)
25 (dnf f-c5n7 "extended field" (all-mep-core-isas) 28 4)
26 (dnf f-rl5 "register l c5" (all-mep-core-isas) 20 4)
27 (df f-12s20 "extended field" (all-mep-core-isas) 20 12 INT #f #f)
29 (dnop rl5 "register Rl c5" (all-mep-core-isas) h-gpr f-rl5)
30 (dnop cdisp12 "copro addend (12 bits)" (all-mep-core-isas) h-sint f-12s20)
32 (dnci stcb_r "store in control bus space" (VOLATILE (MACH c5))
34 (+ MAJ_7 rn rma (f-sub4 12))
35 (c-call VOID "do_stcb" rn (and rma #xffff))
36 ((mep (unit u-use-gpr (in usereg rn))
37 (unit u-use-gpr (in usereg rma))
41 (dnci ldcb_r "load from control bus space" (VOLATILE (MACH c5) (LATENCY 3))
43 (+ MAJ_7 rn rma (f-sub4 13))
44 (set rn (c-call SI "do_ldcb" (and rma #xffff)))
45 ((mep (unit u-use-gpr (in usereg rma))
48 (unit u-ldcb-gpr (out loadreg rn)))))
50 (dnci pref "cache prefetch" ((MACH c5) VOLATILE)
52 (+ MAJ_7 cimm4 rma (f-sub4 5))
54 (c-call VOID "check_option_dcache" pc)
55 (c-call VOID "do_cache_prefetch" cimm4 rma pc))
56 ((mep (unit u-use-gpr (in usereg rma))
59 (dnci prefd "cache prefetch" ((MACH c5) VOLATILE)
60 "pref $cimm4,$sdisp16($rma)"
61 (+ MAJ_15 cimm4 rma (f-sub4 3) sdisp16)
63 (c-call VOID "check_option_dcache" pc)
64 (c-call VOID "do_cache_prefetch" cimm4 (add INT rma (ext SI sdisp16)) pc))
65 ((mep (unit u-use-gpr (in usereg rma))
68 (dnci casb3 "compare and swap byte 3" ((MACH c5) VOLATILE OPTIONAL_BIT_INSN)
69 "casb3 $rl5,$rn,($rm)"
70 (+ MAJ_15 rn rm (f-sub4 #x1) (f-c5n4 #x2) rl5 (f-c5n6 #x0) (f-c5n7 #x0))
72 (c-call VOID "do_casb3" (index-of rl5) rn rm pc)
75 ((mep (unit u-use-gpr (in usereg rl5))
76 (unit u-load-gpr (out loadreg rl5))
79 (dnci cash3 "compare and swap halfword 3" ((MACH c5) VOLATILE OPTIONAL_BIT_INSN)
80 "cash3 $rl5,$rn,($rm)"
81 (+ MAJ_15 rn rm (f-sub4 #x1) (f-c5n4 #x2) rl5 (f-c5n6 #x0) (f-c5n7 #x1))
83 (c-call VOID "do_cash3" (index-of rl5) rn rm pc)
86 ((mep (unit u-use-gpr (in usereg rl5))
87 (unit u-load-gpr (out loadreg rl5))
90 (dnci casw3 "compare and swap word 3" ((MACH c5) VOLATILE OPTIONAL_BIT_INSN)
91 "casw3 $rl5,$rn,($rm)"
92 (+ MAJ_15 rn rm (f-sub4 #x1) (f-c5n4 #x2) rl5 (f-c5n6 #x0) (f-c5n7 #x2))
94 (c-call VOID "do_casw3" (index-of rl5) rn rm pc)
97 ((mep (unit u-use-gpr (in usereg rl5))
98 (unit u-load-gpr (out loadreg rl5))
103 (dnci sbcp "store byte coprocessor" (OPTIONAL_CP_INSN (STALL STORE) (MACH c5))
104 "sbcp $crn,$cdisp12($rma)"
105 (+ MAJ_15 crn rma (f-sub4 6) (f-ext4 0) cdisp12)
107 (c-call "check_option_cp" pc)
108 (c-call VOID "check_write_to_text" (add rma (ext SI cdisp12)))
109 (set (mem QI (add rma (ext SI cdisp12))) (and crn #xff)))
110 ((mep (unit u-use-gpr (in usereg rma))
113 (dnci lbcp "load byte coprocessor" (OPTIONAL_CP_INSN (STALL STORE) (MACH c5))
114 "lbcp $crn,$cdisp12($rma)"
115 (+ MAJ_15 crn rma (f-sub4 6) (f-ext4 4) cdisp12)
117 (c-call "check_option_cp" pc)
118 (set crn (ext SI (mem QI (add rma (ext SI cdisp12))))))
119 ((mep (unit u-use-gpr (in usereg rma))
122 (dnci lbucp "load byte coprocessor" (OPTIONAL_CP_INSN (STALL STORE) (MACH c5))
123 "lbucp $crn,$cdisp12($rma)"
124 (+ MAJ_15 crn rma (f-sub4 6) (f-ext4 12) cdisp12)
126 (c-call "check_option_cp" pc)
127 (set crn (zext SI (mem QI (add rma (ext SI cdisp12))))))
128 ((mep (unit u-use-gpr (in usereg rma))
132 (dnci shcp "store half-word coprocessor" (OPTIONAL_CP_INSN (STALL STORE) (MACH c5))
133 "shcp $crn,$cdisp12($rma)"
134 (+ MAJ_15 crn rma (f-sub4 6) (f-ext4 1) cdisp12)
136 (c-call "check_option_cp" pc)
137 (c-call VOID "check_write_to_text" (add rma (ext SI cdisp12)))
138 (set (mem HI (add rma (ext SI cdisp12))) (and crn #xffff)))
139 ((mep (unit u-use-gpr (in usereg rma))
142 (dnci lhcp "load half-word coprocessor" (OPTIONAL_CP_INSN (STALL STORE) (MACH c5))
143 "lhcp $crn,$cdisp12($rma)"
144 (+ MAJ_15 crn rma (f-sub4 6) (f-ext4 5) cdisp12)
146 (c-call "check_option_cp" pc)
147 (set crn (ext SI (mem HI (add rma (ext SI cdisp12))))))
148 ((mep (unit u-use-gpr (in usereg rma))
151 (dnci lhucp "load half-word coprocessor" (OPTIONAL_CP_INSN (STALL STORE) (MACH c5))
152 "lhucp $crn,$cdisp12($rma)"
153 (+ MAJ_15 crn rma (f-sub4 6) (f-ext4 13) cdisp12)
155 (c-call "check_option_cp" pc)
156 (set crn (zext SI (mem HI (add rma (ext SI cdisp12))))))
157 ((mep (unit u-use-gpr (in usereg rma))
161 (dnci lbucpa "load byte coprocessor" (OPTIONAL_CP_INSN (STALL LOAD) (MACH c5))
162 "lbucpa $crn,($rma+),$cdisp10"
163 (+ MAJ_15 crn rma (f-sub4 5) (f-ext4 #xC) (f-ext62 #x0) cdisp10)
165 (c-call "check_option_cp" pc)
166 (set crn (zext SI (mem QI rma)))
167 (set rma (add rma cdisp10)))
168 ((mep (unit u-use-gpr (in usereg rma))
171 (dnci lhucpa "load half-word coprocessor" (OPTIONAL_CP_INSN (STALL LOAD) (MACH c5))
172 "lhucpa $crn,($rma+),$cdisp10a2"
173 (+ MAJ_15 crn rma (f-sub4 5) (f-ext4 #xD) (f-ext62 #x0) cdisp10a2)
175 (c-call "check_option_cp" pc)
176 (set crn (zext SI (mem HI (and rma (inv SI 1)))))
177 (set rma (add rma (ext SI cdisp10a2))))
178 ((mep (unit u-use-gpr (in usereg rma))
181 (dnci lbucpm0 "lbucpm0" (OPTIONAL_CP_INSN (MACH c5))
182 "lbucpm0 $crn,($rma+),$cdisp10"
183 (+ MAJ_15 crn rma (f-sub4 5) (f-ext4 #xc) (f-ext62 #x2) cdisp10)
185 (c-call "check_option_cp" pc)
186 (set crn (zext SI (mem QI rma)))
187 (set rma (mod0 cdisp10)))
188 ((mep (unit u-use-gpr (in usereg rma))
191 (dnci lhucpm0 "lhucpm0" (OPTIONAL_CP_INSN (MACH c5))
192 "lhucpm0 $crn,($rma+),$cdisp10a2"
193 (+ MAJ_15 crn rma (f-sub4 5) (f-ext4 #xd) (f-ext62 #x2) cdisp10a2)
195 (c-call "check_option_cp" pc)
196 (set crn (zext SI (mem HI (and rma (inv SI 1)))))
197 (set rma (mod0 cdisp10a2)))
198 ((mep (unit u-use-gpr (in usereg rma))
201 (dnci lbucpm1 "lbucpm1" (OPTIONAL_CP_INSN (MACH c5))
202 "lbucpm1 $crn,($rma+),$cdisp10"
203 (+ MAJ_15 crn rma (f-sub4 5) (f-ext4 #xc) (f-ext62 #x3) cdisp10)
205 (c-call "check_option_cp" pc)
206 (set crn (zext SI (mem QI rma)))
207 (set rma (mod1 cdisp10)))
208 ((mep (unit u-use-gpr (in usereg rma))
211 (dnci lhucpm1 "lhucpm1" (OPTIONAL_CP_INSN (MACH c5))
212 "lhucpm1 $crn,($rma+),$cdisp10a2"
213 (+ MAJ_15 crn rma (f-sub4 5) (f-ext4 #xd) (f-ext62 #x3) cdisp10a2)
215 (c-call "check_option_cp" pc)
216 (set crn (zext SI (mem HI (and rma (inv SI 1)))))
217 (set rma (mod1 cdisp10a2)))
218 ((mep (unit u-use-gpr (in usereg rma))
221 (dnci uci "uci" ((MACH c5) VOLATILE)
222 "uci $rn,$rm,$uimm16"
223 (+ MAJ_15 rn rm (f-sub4 2) simm16)
224 (set rn (c-call SI "do_UCI" rn rm (zext SI uimm16) pc))
225 ((mep (unit u-use-gpr (in usereg rm))
226 (unit u-use-gpr (in usereg rn))
229 (dnf f-c5-rnm "register n/m" (all-mep-isas) 4 8)
230 (dnf f-c5-rm "register m" (all-mep-isas) 8 4)
231 (df f-c5-16u16 "general 16-bit u-val" (all-mep-isas) 16 16 UINT #f #f)
233 (dnmf f-c5-rmuimm20 "20-bit immediate in Rm/Imm16" (all-mep-isas) UINT
235 (sequence () ; insert
236 (set (ifield f-c5-rm) (srl (ifield f-c5-rmuimm20) 16))
237 (set (ifield f-c5-16u16) (and (ifield f-c5-rmuimm20) #xffff))
239 (sequence () ; extract
240 (set (ifield f-c5-rmuimm20) (or (ifield f-c5-16u16)
241 (sll (ifield f-c5-rm) 16)))
244 (dnop c5rmuimm20 "20-bit immediate in rm and imm16" (all-mep-core-isas) h-uint f-c5-rmuimm20)
246 (dnmf f-c5-rnmuimm24 "24-bit immediate in Rm/Imm16" (all-mep-isas) UINT
247 (f-c5-rnm f-c5-16u16)
248 (sequence () ; insert
249 (set (ifield f-c5-rnm) (srl (ifield f-c5-rnmuimm24) 16))
250 (set (ifield f-c5-16u16) (and (ifield f-c5-rnmuimm24) #xffff))
252 (sequence () ; extract
253 (set (ifield f-c5-rnmuimm24) (or (ifield f-c5-16u16)
254 (sll (ifield f-c5-rnm) 16)))
257 (dnop c5rnmuimm24 "24-bit immediate in rn, rm, and imm16" (all-mep-core-isas) h-uint f-c5-rnmuimm24)
259 (dnci dsp "dsp" ((MACH c5) VOLATILE)
260 "dsp $rn,$rm,$uimm16"
261 (+ MAJ_15 rn rm (f-sub4 0) uimm16)
262 (set rn (c-call SI "do_DSP" rn rm (zext SI uimm16) pc))
263 ((mep (unit u-use-gpr (in usereg rm))
264 (unit u-use-gpr (in usereg rn))
267 (dnci dsp0 "dsp0" ((MACH c5) VOLATILE NO-DIS ALIAS)
269 (+ MAJ_15 c5rnmuimm24 (f-sub4 0))
270 (c-call VOID "do_DSP" (zext SI c5rnmuimm24) pc)
271 ((mep (unit u-exec))))
273 (dnci dsp1 "dsp1" ((MACH c5) VOLATILE NO-DIS ALIAS)
274 "dsp1 $rn,$c5rmuimm20"
275 (+ MAJ_15 rn (f-sub4 0) c5rmuimm20)
276 (set rn (c-call SI "do_DSP" rn (zext SI c5rmuimm20) pc))
277 ((mep (unit u-use-gpr (in usereg rn))