1 /* Definitions of target machine needed for option handling for GNU compiler,
3 Copyright (C) 2010-2014 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. */
54 PROCESSOR_PPCE500MC64
,
72 /* FP processor type. */
75 FPU_NONE
, /* No FPU */
76 FPU_SF_LITE
, /* Limited Single Precision FPU */
77 FPU_DF_LITE
, /* Limited Double Precision FPU */
78 FPU_SF_FULL
, /* Full Single Precision FPU */
79 FPU_DF_FULL
/* Full Double Single Precision FPU */
82 /* Types of costly dependences. */
83 enum rs6000_dependence_cost
85 max_dep_latency
= 1000,
88 true_store_to_load_dep_costly
,
89 store_to_load_dep_costly
92 /* Types of nop insertion schemes in sched target hook sched_finish. */
93 enum rs6000_nop_insertion
95 sched_finish_regroup_exact
= 1000,
96 sched_finish_pad_groups
,
100 /* Dispatch group termination caused by an insn. */
101 enum group_termination
107 /* Enumeration to give which calling sequence to use. */
110 ABI_AIX
, /* IBM's AIX, or Linux ELFv1 */
111 ABI_ELFv2
, /* Linux ELFv2 ABI */
112 ABI_V4
, /* System V.4/eabi */
113 ABI_DARWIN
/* Apple's Darwin (OS X kernel) */
116 /* Small data support types. */
117 enum rs6000_sdata_type
{
118 SDATA_NONE
, /* No small data support. */
119 SDATA_DATA
, /* Just put data in .sbss/.sdata, don't use relocs. */
120 SDATA_SYSV
, /* Use r13 to point to .sdata/.sbss. */
121 SDATA_EABI
/* Use r13 like above, r2 points to .sdata2/.sbss2. */
124 /* Type of traceback to use. */
125 enum rs6000_traceback_type
{
126 traceback_default
= 0,
132 /* Code model for 64-bit linux.
133 small: 16-bit toc offsets.
134 medium: 32-bit toc offsets, static data and code within 2G of TOC pointer.
135 large: 32-bit toc offsets, no limit on static data and code. */
142 /* Describe which vector unit to use for a given machine mode. The
143 VECTOR_MEM_* and VECTOR_UNIT_* macros assume that Altivec, VSX, and
144 P8_VECTOR are contiguous. */
146 VECTOR_NONE
, /* Type is not a vector or not supported */
147 VECTOR_ALTIVEC
, /* Use altivec for vector processing */
148 VECTOR_VSX
, /* Use VSX for vector processing */
149 VECTOR_P8_VECTOR
, /* Use ISA 2.07 VSX for vector processing */
150 VECTOR_PAIRED
, /* Use paired floating point for vectors */
151 VECTOR_SPE
, /* Use SPE for vector processing */
152 VECTOR_OTHER
/* Some other vector unit */
155 /* No enumeration is defined to index the -mcpu= values (entries in
156 processor_target_table), with the type int being used instead, but
157 we need to distinguish the special "native" value. */
158 #define RS6000_CPU_OPTION_NATIVE -1