1;; Geode Scheduling
2;; Copyright (C) 2006-2018 Free Software Foundation, Inc.
3;;
4;; This file is part of GCC.
5;;
6;; GCC is free software; you can redistribute it and/or modify
7;; it under the terms of the GNU General Public License as published by
8;; the Free Software Foundation; either version 3, or (at your option)
9;; any later version.
10;;
11;; GCC is distributed in the hope that it will be useful,
12;; but WITHOUT ANY WARRANTY; without even the implied warranty of
13;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14;; GNU General Public License for more details.
15;;
16;; You should have received a copy of the GNU General Public License
17;; along with GCC; see the file COPYING3.  If not see
18;; <http://www.gnu.org/licenses/>.
19;;
20;; The Geode architecture is one insn issue processor.
21;;
22;; This description is based on data from the following documents:
23;;
24;;    "AMD Geode GX Processor Data Book"
25;;    Advanced Micro Devices, Inc., Aug 2005.
26;;
27;;    "AMD Geode LX Processor Data Book"
28;;    Advanced Micro Devices, Inc., Jan 2006.
29;;
30;;
31;; CPU execution units of the Geode:
32;;
33;; issue	describes the issue pipeline.
34;; alu		describes the Integer unit
35;; fpu		describes the FP unit
36;;
37;; The fp unit is out of order execution unit with register renaming.
38;; There is also memory management unit and execution pipeline for
39;; load/store operations.  We ignore it and difference between insns
40;; using memory and registers.
41
42(define_automaton "geode")
43
44(define_cpu_unit "geode_issue,geode_alu,geode_fpu" "geode")
45
46(define_insn_reservation "alu" 1
47			 (and (eq_attr "cpu" "geode")
48			      (eq_attr "type" "alu,alu1,negnot,icmp,lea,test,imov,imovx,icmov,incdec,setcc"))
49			 "geode_issue,geode_alu")
50
51(define_insn_reservation "shift" 2
52			 (and (eq_attr "cpu" "geode")
53			      (eq_attr "type" "ishift,ishift1,rotate,rotate1"))
54			 "geode_issue,geode_alu*2")
55
56(define_insn_reservation "imul" 7
57			 (and (eq_attr "cpu" "geode")
58			      (eq_attr "type" "imul"))
59			 "geode_issue,geode_alu*7")
60
61(define_insn_reservation "idiv" 40
62			 (and (eq_attr "cpu" "geode")
63			      (eq_attr "type" "idiv"))
64			 "geode_issue,geode_alu*40")
65
66;; The branch unit.
67(define_insn_reservation "call" 2
68			 (and (eq_attr "cpu" "geode")
69			      (eq_attr "type" "call,callv"))
70			 "geode_issue,geode_alu*2")
71
72(define_insn_reservation "geode_branch" 1
73			 (and (eq_attr "cpu" "geode")
74			      (eq_attr "type" "ibr"))
75			 "geode_issue,geode_alu")
76
77(define_insn_reservation "geode_pop_push" 1
78			 (and (eq_attr "cpu" "geode")
79			      (eq_attr "type" "pop,push"))
80			 "geode_issue,geode_alu")
81
82(define_insn_reservation "geode_leave" 2
83			 (and (eq_attr "cpu" "geode")
84			      (eq_attr "type" "leave"))
85			 "geode_issue,geode_alu*2")
86
87(define_insn_reservation "geode_load_str" 4
88			 (and (eq_attr "cpu" "geode")
89			      (and (eq_attr "type" "str")
90				   (eq_attr "memory" "load,both")))
91			 "geode_issue,geode_alu*4")
92
93(define_insn_reservation "geode_store_str" 2
94			 (and (eq_attr "cpu" "geode")
95			      (and (eq_attr "type" "str")
96				   (eq_attr "memory" "store")))
97			 "geode_issue,geode_alu*2")
98
99;; Be optimistic
100(define_insn_reservation "geode_unknown" 1
101			 (and (eq_attr "cpu" "geode")
102			      (eq_attr "type" "multi,other"))
103			 "geode_issue,geode_alu")
104
105;; FPU
106
107(define_insn_reservation "geode_fop" 6
108			 (and (eq_attr "cpu" "geode")
109			      (eq_attr "type" "fop,fcmp"))
110			 "geode_issue,geode_fpu*6")
111
112(define_insn_reservation "geode_fsimple" 1
113			 (and (eq_attr "cpu" "geode")
114			      (eq_attr "type" "fmov,fcmov,fsgn,fxch"))
115			 "geode_issue,geode_fpu")
116
117(define_insn_reservation "geode_fist" 4
118			 (and (eq_attr "cpu" "geode")
119			      (eq_attr "type" "fistp,fisttp"))
120			 "geode_issue,geode_fpu*4")
121
122(define_insn_reservation "geode_fmul" 10
123			 (and (eq_attr "cpu" "geode")
124			      (eq_attr "type" "fmul"))
125			 "geode_issue,geode_fpu*10")
126
127(define_insn_reservation "geode_fdiv" 47
128			 (and (eq_attr "cpu" "geode")
129			      (eq_attr "type" "fdiv"))
130			 "geode_issue,geode_fpu*47")
131
132;; We use minimal latency (fsin) here
133(define_insn_reservation "geode_fpspc" 54
134			 (and (eq_attr "cpu" "geode")
135			      (eq_attr "type" "fpspc"))
136			 "geode_issue,geode_fpu*54")
137
138(define_insn_reservation "geode_frndint" 12
139			 (and (eq_attr "cpu" "geode")
140			      (eq_attr "type" "frndint"))
141			 "geode_issue,geode_fpu*12")
142
143(define_insn_reservation "geode_mmxmov" 1
144			 (and (eq_attr "cpu" "geode")
145			      (eq_attr "type" "mmxmov"))
146			 "geode_issue,geode_fpu")
147
148(define_insn_reservation "geode_mmx" 2
149			 (and (eq_attr "cpu" "geode")
150			      (eq_attr "type" "mmx,mmxadd,mmxmul,mmxcmp,mmxcvt,mmxshft"))
151			 "geode_issue,geode_fpu*2")
152