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jeremybenn |
/* Definitions of target machine needed for option handling for GNU compiler,
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for IBM RS/6000.
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Copyright (C) 2010, 2011
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Free Software Foundation, Inc.
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Contributed by Michael Meissner (meissner@linux.vnet.ibm.com)
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published
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by the Free Software Foundation; either version 3, or (at your
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option) any later version.
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GCC is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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License for more details.
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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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3.1, as published by the Free Software Foundation.
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You should have received a copy of the GNU General Public License and
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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#ifndef RS6000_OPTS_H
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#define RS6000_OPTS_H
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/* Processor type. Order must match cpu attribute in MD file. */
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enum processor_type
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{
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PROCESSOR_RIOS1,
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PROCESSOR_RIOS2,
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PROCESSOR_RS64A,
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PROCESSOR_MPCCORE,
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PROCESSOR_PPC403,
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PROCESSOR_PPC405,
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PROCESSOR_PPC440,
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PROCESSOR_PPC476,
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PROCESSOR_PPC601,
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PROCESSOR_PPC603,
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PROCESSOR_PPC604,
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PROCESSOR_PPC604e,
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PROCESSOR_PPC620,
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PROCESSOR_PPC630,
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PROCESSOR_PPC750,
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PROCESSOR_PPC7400,
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PROCESSOR_PPC7450,
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PROCESSOR_PPC8540,
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PROCESSOR_PPCE300C2,
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PROCESSOR_PPCE300C3,
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PROCESSOR_PPCE500MC,
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PROCESSOR_PPCE500MC64,
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PROCESSOR_POWER4,
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PROCESSOR_POWER5,
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PROCESSOR_POWER6,
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PROCESSOR_POWER7,
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PROCESSOR_CELL,
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PROCESSOR_PPCA2,
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PROCESSOR_TITAN
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};
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/* FP processor type. */
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enum fpu_type_t
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{
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FPU_NONE, /* No FPU */
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FPU_SF_LITE, /* Limited Single Precision FPU */
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FPU_DF_LITE, /* Limited Double Precision FPU */
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FPU_SF_FULL, /* Full Single Precision FPU */
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FPU_DF_FULL /* Full Double Single Precision FPU */
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};
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/* Types of costly dependences. */
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enum rs6000_dependence_cost
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{
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max_dep_latency = 1000,
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no_dep_costly,
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all_deps_costly,
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true_store_to_load_dep_costly,
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store_to_load_dep_costly
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};
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/* Types of nop insertion schemes in sched target hook sched_finish. */
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enum rs6000_nop_insertion
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{
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sched_finish_regroup_exact = 1000,
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sched_finish_pad_groups,
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sched_finish_none
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};
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/* Dispatch group termination caused by an insn. */
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enum group_termination
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{
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current_group,
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previous_group
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};
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/* Enumeration to give which calling sequence to use. */
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enum rs6000_abi {
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ABI_NONE,
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ABI_AIX, /* IBM's AIX */
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ABI_V4, /* System V.4/eabi */
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ABI_DARWIN /* Apple's Darwin (OS X kernel) */
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};
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/* Small data support types. */
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enum rs6000_sdata_type {
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SDATA_NONE, /* No small data support. */
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SDATA_DATA, /* Just put data in .sbss/.sdata, don't use relocs. */
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SDATA_SYSV, /* Use r13 to point to .sdata/.sbss. */
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SDATA_EABI /* Use r13 like above, r2 points to .sdata2/.sbss2. */
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};
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/* Type of traceback to use. */
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enum rs6000_traceback_type {
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traceback_default = 0,
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traceback_none,
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traceback_part,
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traceback_full
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};
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/* Code model for 64-bit linux.
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small: 16-bit toc offsets.
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medium: 32-bit toc offsets, static data and code within 2G of TOC pointer.
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large: 32-bit toc offsets, no limit on static data and code. */
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enum rs6000_cmodel {
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CMODEL_SMALL,
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CMODEL_MEDIUM,
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CMODEL_LARGE
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};
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/* Describe which vector unit to use for a given machine mode. */
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enum rs6000_vector {
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VECTOR_NONE, /* Type is not a vector or not supported */
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VECTOR_ALTIVEC, /* Use altivec for vector processing */
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VECTOR_VSX, /* Use VSX for vector processing */
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VECTOR_PAIRED, /* Use paired floating point for vectors */
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VECTOR_SPE, /* Use SPE for vector processing */
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VECTOR_OTHER /* Some other vector unit */
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};
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/* No enumeration is defined to index the -mcpu= values (entries in
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processor_target_table), with the type int being used instead, but
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we need to distinguish the special "native" value. */
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#define RS6000_CPU_OPTION_NATIVE -1
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#endif
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