summaryrefslogtreecommitdiff
path: root/recipes/gcc/gcc-4.2.4/gcc-4.0.2-e300c2c3.patch
blob: 736ac4b6b6b78b1e465cd84b9a9af14bc80d6b2f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
Adds support for Freescale Power architecture e300c2 and e300c3 cores.
http://www.bitshrine.org/gpp/tc-fsl-x86lnx-e300c3-nptl-4.0.2-2.src.rpm

Leon Woestenberg <leonw@mailcan.com>

Index: gcc-4.1.2/gcc/config/rs6000/e300c2c3.md
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ gcc-4.1.2/gcc/config/rs6000/e300c2c3.md	2007-10-18 15:32:51.000000000 +0200
@@ -0,0 +1,189 @@
+;; Pipeline description for Motorola PowerPC e300c3 core.
+;;   Copyright (C) 2003 Free Software Foundation, Inc.
+;;
+;; This file is part of GCC.
+
+;; GCC is free software; you can redistribute it and/or modify it
+;; under the terms of the GNU General Public License as published
+;; by the Free Software Foundation; either version 2, or (at your
+;; option) any later version.
+
+;; GCC is distributed in the hope that it will be useful, but WITHOUT
+;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+;; or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
+;; License for more details.
+
+;; You should have received a copy of the GNU General Public License
+;; along with GCC; see the file COPYING.  If not, write to the
+;; Free Software Foundation, 59 Temple Place - Suite 330, Boston,
+;; MA 02111-1307, USA.
+
+(define_automaton "ppce300c3_most,ppce300c3_long,ppce300c3_retire")
+(define_cpu_unit "ppce300c3_decode_0,ppce300c3_decode_1" "ppce300c3_most")
+
+;; We don't simulate general issue queue (GIC).  If we have SU insn
+;; and then SU1 insn, they can not be issued on the same cycle
+;; (although SU1 insn and then SU insn can be issued) because the SU
+;; insn will go to SU1 from GIC0 entry.  Fortunately, the first cycle
+;; multipass insn scheduling will find the situation and issue the SU1
+;; insn and then the SU insn.
+(define_cpu_unit "ppce300c3_issue_0,ppce300c3_issue_1"   "ppce300c3_most")
+
+;; We could describe completion buffers slots in combination with the
+;; retirement units and the order of completion but the result
+;; automaton would behave in the same way because we can not describe
+;; real latency time with taking in order completion into account.
+;; Actually we could define the real latency time by querying reserved
+;; automaton units but the current scheduler uses latency time before
+;; issuing insns and making any reservations.
+;;
+;; So our description is aimed to achieve a insn schedule in which the
+;; insns would not wait in the completion buffer.
+(define_cpu_unit "ppce300c3_retire_0,ppce300c3_retire_1" "ppce300c3_retire")
+
+;; Branch unit:
+(define_cpu_unit "ppce300c3_bu" "ppce300c3_most")
+
+;; IU:
+(define_cpu_unit "ppce300c3_iu0_stage0,ppce300c3_iu1_stage0" "ppce300c3_most")
+
+;; IU: This used to describe non-pipelined division.
+(define_cpu_unit "ppce300c3_mu_div" "ppce300c3_long")
+
+;; SRU:
+(define_cpu_unit "ppce300c3_sru_stage0" "ppce300c3_most")
+
+;; Here we simplified LSU unit description not describing the stages.
+(define_cpu_unit "ppce300c3_lsu" "ppce300c3_most")
+
+;; FPU:
+(define_cpu_unit "ppce300c3_fpu" "ppce300c3_most")
+
+;; The following units are used to make automata deterministic
+(define_cpu_unit "present_ppce300c3_decode_0" "ppce300c3_most")
+(define_cpu_unit "present_ppce300c3_issue_0" "ppce300c3_most")
+(define_cpu_unit "present_ppce300c3_retire_0" "ppce300c3_retire")
+(define_cpu_unit "present_ppce300c3_iu0_stage0" "ppce300c3_most")
+
+;; The following sets to make automata deterministic when option ndfa is used.
+(presence_set "present_ppce300c3_decode_0" "ppce300c3_decode_0")
+(presence_set "present_ppce300c3_issue_0" "ppce300c3_issue_0")
+(presence_set "present_ppce300c3_retire_0" "ppce300c3_retire_0")
+(presence_set "present_ppce300c3_iu0_stage0" "ppce300c3_iu0_stage0")
+
+;; Some useful abbreviations.
+(define_reservation "ppce300c3_decode"
+    "ppce300c3_decode_0|ppce300c3_decode_1+present_ppce300c3_decode_0")
+(define_reservation "ppce300c3_issue"
+    "ppce300c3_issue_0|ppce300c3_issue_1+present_ppce300c3_issue_0")
+(define_reservation "ppce300c3_retire"
+   "ppce300c3_retire_0|ppce300c3_retire_1+present_ppce300c3_retire_0")
+(define_reservation "ppce300c3_iu_stage0"
+   "ppce300c3_iu0_stage0|ppce300c3_iu1_stage0+present_ppce300c3_iu0_stage0")
+
+;; Compares can be executed either one of the IU or SRU
+(define_insn_reservation "ppce300c3_cmp" 1
+  (and (eq_attr "type" "cmp,compare,delayed_compare,fast_compare")
+       (ior (eq_attr "cpu" "ppce300c2") (eq_attr "cpu" "ppce300c3")))
+  "ppce300c3_decode,ppce300c3_issue+(ppce300c3_iu_stage0|ppce300c3_sru_stage0) \
+        +ppce300c3_retire")
+
+;; Other one cycle IU insns
+(define_insn_reservation "ppce300c3_iu" 1
+  (and (eq_attr "type" "integer,insert_word")
+       (ior (eq_attr "cpu" "ppce300c2") (eq_attr "cpu" "ppce300c3")))
+  "ppce300c3_decode,ppce300c3_issue+ppce300c3_iu_stage0+ppce300c3_retire")
+
+;; Branch.  Actually this latency time is not used by the scheduler.
+(define_insn_reservation "ppce300c3_branch" 1
+  (and (eq_attr "type" "jmpreg,branch")
+       (ior (eq_attr "cpu" "ppce300c2") (eq_attr "cpu" "ppce300c3")))
+  "ppce300c3_decode,ppce300c3_bu,ppce300c3_retire")
+
+;; Multiply is non-pipelined but can be executed in any IU
+(define_insn_reservation "ppce300c3_multiply" 2
+  (and (eq_attr "type" "imul,imul2,imul3,imul_compare")
+       (ior (eq_attr "cpu" "ppce300c2") (eq_attr "cpu" "ppce300c3")))
+  "ppce300c3_decode,ppce300c3_issue+ppce300c3_iu_stage0, \
+   ppce300c3_iu_stage0+ppce300c3_retire")
+
+;; Divide.  We use the average latency time here.  We omit reserving a
+;; retire unit because of the result automata will be huge.
+(define_insn_reservation "ppce300c3_divide" 20
+  (and (eq_attr "type" "idiv")
+       (ior (eq_attr "cpu" "ppce300c2") (eq_attr "cpu" "ppce300c3")))
+  "ppce300c3_decode,ppce300c3_issue+ppce300c3_iu_stage0+ppce300c3_mu_div,\
+   ppce300c3_mu_div*19")
+
+;; CR logical
+(define_insn_reservation "ppce300c3_cr_logical" 1
+  (and (eq_attr "type" "cr_logical,delayed_cr")
+       (ior (eq_attr "cpu" "ppce300c2") (eq_attr "cpu" "ppce300c3")))
+  "ppce300c3_decode,ppce300c3_issue+ppce300c3_sru_stage0+ppce300c3_retire")
+
+;; Mfcr
+(define_insn_reservation "ppce300c3_mfcr" 1
+  (and (eq_attr "type" "mfcr")
+       (ior (eq_attr "cpu" "ppce300c2") (eq_attr "cpu" "ppce300c3")))
+  "ppce300c3_decode,ppce300c3_issue+ppce300c3_sru_stage0+ppce300c3_retire")
+
+;; Mtcrf
+(define_insn_reservation "ppce300c3_mtcrf" 1
+  (and (eq_attr "type" "mtcr")
+       (ior (eq_attr "cpu" "ppce300c2") (eq_attr "cpu" "ppce300c3")))
+  "ppce300c3_decode,ppce300c3_issue+ppce300c3_sru_stage0+ppce300c3_retire")
+
+;; Mtjmpr
+(define_insn_reservation "ppce300c3_mtjmpr" 1
+  (and (eq_attr "type" "mtjmpr,mfjmpr")
+       (ior (eq_attr "cpu" "ppce300c2") (eq_attr "cpu" "ppce300c3")))
+  "ppce300c3_decode,ppce300c3_issue+ppce300c3_sru_stage0+ppce300c3_retire")
+
+;; Float point instructions
+(define_insn_reservation "ppce300c3_fpcompare" 3
+  (and (eq_attr "type" "fpcompare")
+       (eq_attr "cpu" "ppce300c3"))
+  "ppce300c3_decode,ppce300c3_issue+ppce300c3_fpu,nothing,ppce300c3_retire")
+
+(define_insn_reservation "ppce300c3_fp" 3
+  (and (eq_attr "type" "fp")
+       (eq_attr "cpu" "ppce300c3"))
+  "ppce300c3_decode,ppce300c3_issue+ppce300c3_fpu,nothing,ppce300c3_retire")
+
+(define_insn_reservation "ppce300c3_dmul" 4
+  (and (eq_attr "type" "dmul")
+       (eq_attr "cpu" "ppce300c3"))
+  "ppce300c3_decode,ppce300c3_issue+ppce300c3_fpu,ppce300c3_fpu,nothing,ppce300c3_retire")
+
+; Divides are not pipelined
+(define_insn_reservation "ppce300c3_sdiv" 18
+  (and (eq_attr "type" "sdiv")
+       (eq_attr "cpu" "ppce300c3"))
+  "ppce300c3_decode,ppce300c3_issue+ppce300c3_fpu,ppce300c3_fpu*17")
+
+(define_insn_reservation "ppce300c3_ddiv" 33
+  (and (eq_attr "type" "ddiv")
+       (eq_attr "cpu" "ppce300c3"))
+  "ppce300c3_decode,ppce300c3_issue+ppce300c3_fpu,ppce300c3_fpu*32")
+
+;; Loads
+(define_insn_reservation "ppce300c3_load" 2
+  (and (eq_attr "type" "load,load_ext,load_ext_u,load_ext_ux,load_ux,load_u")
+       (ior (eq_attr "cpu" "ppce300c2") (eq_attr "cpu" "ppce300c3")))
+  "ppce300c3_decode,ppce300c3_issue+ppce300c3_lsu,ppce300c3_retire")
+
+(define_insn_reservation "ppce300c3_fpload" 2
+  (and (eq_attr "type" "fpload,fpload_ux,fpload_u")
+       (eq_attr "cpu" "ppce300c3"))
+  "ppce300c3_decode,ppce300c3_issue+ppce300c3_lsu,ppce300c3_retire")
+
+;; Stores.
+(define_insn_reservation "ppce300c3_store" 2
+  (and (eq_attr "type" "store,store_ux,store_u")
+       (ior (eq_attr "cpu" "ppce300c2") (eq_attr "cpu" "ppce300c3")))
+  "ppce300c3_decode,ppce300c3_issue+ppce300c3_lsu,ppce300c3_retire")
+
+(define_insn_reservation "ppce300c3_fpstore" 2
+  (and (eq_attr "type" "fpstore,fpstore_ux,fpstore_u")
+       (eq_attr "cpu" "ppce300c3"))
+  "ppce300c3_decode,ppce300c3_issue+ppce300c3_lsu,ppce300c3_retire")
Index: gcc-4.1.2/gcc/config/rs6000/rs6000.c
===================================================================
--- gcc-4.1.2.orig/gcc/config/rs6000/rs6000.c	2006-12-16 20:24:56.000000000 +0100
+++ gcc-4.1.2/gcc/config/rs6000/rs6000.c	2007-10-18 15:34:26.000000000 +0200
@@ -557,6 +557,21 @@
   COSTS_N_INSNS (29),   /* ddiv */
 };
 
+/* Instruction costs on E300C2 and E300C3 cores.  */
+static const
+struct processor_costs ppce300c2c3_cost = {
+  COSTS_N_INSNS (4),    /* mulsi */
+  COSTS_N_INSNS (4),    /* mulsi_const */
+  COSTS_N_INSNS (4),    /* mulsi_const9 */
+  COSTS_N_INSNS (4),    /* muldi */
+  COSTS_N_INSNS (19),   /* divsi */
+  COSTS_N_INSNS (19),   /* divdi */
+  COSTS_N_INSNS (3),    /* fp */
+  COSTS_N_INSNS (4),    /* dmul */
+  COSTS_N_INSNS (18),   /* sdiv */
+  COSTS_N_INSNS (33),   /* ddiv */
+};
+
 /* Instruction costs on POWER4 and POWER5 processors.  */
 static const
 struct processor_costs power4_cost = {
@@ -1140,6 +1155,8 @@
 	 /* 8548 has a dummy entry for now.  */
 	 {"8548", PROCESSOR_PPC8540,
 	  POWERPC_BASE_MASK | MASK_PPC_GFXOPT | MASK_STRICT_ALIGN},
+ 	 {"e300c2", PROCESSOR_PPCE300C2, POWERPC_BASE_MASK | MASK_SOFT_FLOAT},
+ 	 {"e300c3", PROCESSOR_PPCE300C3, POWERPC_BASE_MASK},
 	 {"860", PROCESSOR_MPCCORE, POWERPC_BASE_MASK | MASK_SOFT_FLOAT},
 	 {"970", PROCESSOR_POWER4,
 	  POWERPC_7400_MASK | MASK_PPC_GPOPT | MASK_MFCRF | MASK_POWERPC64},
@@ -1529,6 +1546,11 @@
 	rs6000_cost = &ppc8540_cost;
 	break;
 
+      case PROCESSOR_PPCE300C2:
+      case PROCESSOR_PPCE300C3:
+	rs6000_cost = &ppce300c2c3_cost;
+	break;
+
       case PROCESSOR_POWER4:
       case PROCESSOR_POWER5:
 	rs6000_cost = &power4_cost;
@@ -16647,6 +16669,8 @@
   case CPU_PPC750:
   case CPU_PPC7400:
   case CPU_PPC8540:
+  case CPU_PPCE300C2:
+  case CPU_PPCE300C3:
     return 2;
   case CPU_RIOS2:
   case CPU_PPC604:
Index: gcc-4.1.2/gcc/config/rs6000/rs6000.h
===================================================================
--- gcc-4.1.2.orig/gcc/config/rs6000/rs6000.h	2006-11-18 01:25:49.000000000 +0100
+++ gcc-4.1.2/gcc/config/rs6000/rs6000.h	2007-10-18 15:32:51.000000000 +0200
@@ -111,6 +111,8 @@
 %{mcpu=970: -mpower4 -maltivec} \
 %{mcpu=G5: -mpower4 -maltivec} \
 %{mcpu=8540: -me500} \
+%{mcpu=e300c2: -mppc} \
+%{mcpu=e300c3: -mppc -mpmr} \
 %{maltivec: -maltivec} \
 -many"
 
@@ -211,6 +213,8 @@
    PROCESSOR_PPC7400,
    PROCESSOR_PPC7450,
    PROCESSOR_PPC8540,
+   PROCESSOR_PPCE300C2,
+   PROCESSOR_PPCE300C3,
    PROCESSOR_POWER4,
    PROCESSOR_POWER5
 };
Index: gcc-4.1.2/gcc/config/rs6000/rs6000.md
===================================================================
--- gcc-4.1.2.orig/gcc/config/rs6000/rs6000.md	2006-12-16 20:24:56.000000000 +0100
+++ gcc-4.1.2/gcc/config/rs6000/rs6000.md	2007-10-18 15:32:51.000000000 +0200
@@ -103,7 +103,7 @@
 ;; Processor type -- this attribute must exactly match the processor_type
 ;; enumeration in rs6000.h.
 
-(define_attr "cpu" "rios1,rios2,rs64a,mpccore,ppc403,ppc405,ppc440,ppc601,ppc603,ppc604,ppc604e,ppc620,ppc630,ppc750,ppc7400,ppc7450,ppc8540,power4,power5"
+(define_attr "cpu" "rios1,rios2,rs64a,mpccore,ppc403,ppc405,ppc440,ppc601,ppc603,ppc604,ppc604e,ppc620,ppc630,ppc750,ppc7400,ppc7450,ppc8540,ppce300c2,ppce300c3,power4,power5"
   (const (symbol_ref "rs6000_cpu_attr")))
 
 (automata_option "ndfa")
@@ -119,6 +119,7 @@
 (include "7xx.md")
 (include "7450.md")
 (include "8540.md")
+(include "e300c2c3.md")
 (include "power4.md")
 (include "power5.md")
 
Index: gcc-4.1.2/gcc/config.gcc
===================================================================
--- gcc-4.1.2.orig/gcc/config.gcc	2007-10-18 15:26:23.000000000 +0200
+++ gcc-4.1.2/gcc/config.gcc	2007-10-18 15:32:51.000000000 +0200
@@ -2710,7 +2710,7 @@
 			| rios | rios1 | rios2 | rsc | rsc1 | rs64a \
 			| 401 | 403 | 405 | 405fp | 440 | 440fp | 505 \
 			| 601 | 602 | 603 | 603e | ec603e | 604 \
-			| 604e | 620 | 630 | 740 | 750 | 7400 | 7450 \
+			| 604e | 620 | 630 | 740 | 750 | 7400 | 7450 | e300c[23] \
 			| 854[08] | 801 | 821 | 823 | 860 | 970 | G3 | G4 | G5)
 				# OK
 				;;