1 /* Definitions of target machine needed for option handling for GNU compiler,
3 Copyright (C) 2010-2013 Free Software Foundation, Inc.
4 Contributed by Michael Meissner (meissner@linux.vnet.ibm.com)
6 This file is part of GCC.
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.
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.
18 Under Section 7 of GPL version 3, you are granted additional
19 permissions described in the GCC Runtime Library Exception, version
20 3.1, as published by the Free Software Foundation.
22 You should have received a copy of the GNU General Public License and
23 a copy of the GCC Runtime Library Exception along with this program;
24 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
25 <http://www.gnu.org/licenses/>. */
30 /* Processor type. Order must match cpu attribute in MD file. */
53 PROCESSOR_PPCE500MC64,
65 /* FP processor type. */
68 FPU_NONE, /* No FPU */
69 FPU_SF_LITE, /* Limited Single Precision FPU */
70 FPU_DF_LITE, /* Limited Double Precision FPU */
71 FPU_SF_FULL, /* Full Single Precision FPU */
72 FPU_DF_FULL /* Full Double Single Precision FPU */
75 /* Types of costly dependences. */
76 enum rs6000_dependence_cost
78 max_dep_latency = 1000,
81 true_store_to_load_dep_costly,
82 store_to_load_dep_costly
85 /* Types of nop insertion schemes in sched target hook sched_finish. */
86 enum rs6000_nop_insertion
88 sched_finish_regroup_exact = 1000,
89 sched_finish_pad_groups,
93 /* Dispatch group termination caused by an insn. */
94 enum group_termination
100 /* Enumeration to give which calling sequence to use. */
103 ABI_AIX, /* IBM's AIX */
104 ABI_V4, /* System V.4/eabi */
105 ABI_DARWIN /* Apple's Darwin (OS X kernel) */
108 /* Small data support types. */
109 enum rs6000_sdata_type {
110 SDATA_NONE, /* No small data support. */
111 SDATA_DATA, /* Just put data in .sbss/.sdata, don't use relocs. */
112 SDATA_SYSV, /* Use r13 to point to .sdata/.sbss. */
113 SDATA_EABI /* Use r13 like above, r2 points to .sdata2/.sbss2. */
116 /* Type of traceback to use. */
117 enum rs6000_traceback_type {
118 traceback_default = 0,
124 /* Code model for 64-bit linux.
125 small: 16-bit toc offsets.
126 medium: 32-bit toc offsets, static data and code within 2G of TOC pointer.
127 large: 32-bit toc offsets, no limit on static data and code. */
134 /* Describe which vector unit to use for a given machine mode. */
136 VECTOR_NONE, /* Type is not a vector or not supported */
137 VECTOR_ALTIVEC, /* Use altivec for vector processing */
138 VECTOR_VSX, /* Use VSX for vector processing */
139 VECTOR_PAIRED, /* Use paired floating point for vectors */
140 VECTOR_SPE, /* Use SPE for vector processing */
141 VECTOR_OTHER /* Some other vector unit */
144 /* No enumeration is defined to index the -mcpu= values (entries in
145 processor_target_table), with the type int being used instead, but
146 we need to distinguish the special "native" value. */
147 #define RS6000_CPU_OPTION_NATIVE -1