| /* Definitions of target machine needed for option handling for GNU compiler, |
| for IBM RS/6000. |
| Copyright (C) 2010-2020 Free Software Foundation, Inc. |
| Contributed by Michael Meissner (meissner@linux.vnet.ibm.com) |
| |
| 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 3, 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. |
| |
| Under Section 7 of GPL version 3, you are granted additional |
| permissions described in the GCC Runtime Library Exception, version |
| 3.1, as published by the Free Software Foundation. |
| |
| You should have received a copy of the GNU General Public License and |
| a copy of the GCC Runtime Library Exception along with this program; |
| see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #ifndef RS6000_OPTS_H |
| #define RS6000_OPTS_H |
| |
| /* Processor type. Order must match cpu attribute in MD file. */ |
| enum processor_type |
| { |
| PROCESSOR_PPC601, |
| PROCESSOR_PPC603, |
| PROCESSOR_PPC604, |
| PROCESSOR_PPC604e, |
| PROCESSOR_PPC620, |
| PROCESSOR_PPC630, |
| |
| PROCESSOR_PPC750, |
| PROCESSOR_PPC7400, |
| PROCESSOR_PPC7450, |
| |
| PROCESSOR_PPC403, |
| PROCESSOR_PPC405, |
| PROCESSOR_PPC440, |
| PROCESSOR_PPC476, |
| |
| PROCESSOR_PPC8540, |
| PROCESSOR_PPC8548, |
| PROCESSOR_PPCE300C2, |
| PROCESSOR_PPCE300C3, |
| PROCESSOR_PPCE500MC, |
| PROCESSOR_PPCE500MC64, |
| PROCESSOR_PPCE5500, |
| PROCESSOR_PPCE6500, |
| |
| PROCESSOR_POWER4, |
| PROCESSOR_POWER5, |
| PROCESSOR_POWER6, |
| PROCESSOR_POWER7, |
| PROCESSOR_POWER8, |
| PROCESSOR_POWER9, |
| PROCESSOR_POWER10, |
| |
| PROCESSOR_RS64A, |
| PROCESSOR_MPCCORE, |
| PROCESSOR_CELL, |
| PROCESSOR_PPCA2, |
| PROCESSOR_TITAN |
| }; |
| |
| |
| /* Types of costly dependences. */ |
| enum rs6000_dependence_cost |
| { |
| max_dep_latency = 1000, |
| no_dep_costly, |
| all_deps_costly, |
| true_store_to_load_dep_costly, |
| store_to_load_dep_costly |
| }; |
| |
| /* Types of nop insertion schemes in sched target hook sched_finish. */ |
| enum rs6000_nop_insertion |
| { |
| sched_finish_regroup_exact = 1000, |
| sched_finish_pad_groups, |
| sched_finish_none |
| }; |
| |
| /* Dispatch group termination caused by an insn. */ |
| enum group_termination |
| { |
| current_group, |
| previous_group |
| }; |
| |
| /* Enumeration to give which calling sequence to use. */ |
| enum rs6000_abi { |
| ABI_NONE, |
| ABI_AIX, /* IBM's AIX, or Linux ELFv1 */ |
| ABI_ELFv2, /* Linux ELFv2 ABI */ |
| ABI_V4, /* System V.4/eabi */ |
| ABI_DARWIN /* Apple's Darwin (OS X kernel) */ |
| }; |
| |
| /* Small data support types. */ |
| enum rs6000_sdata_type { |
| SDATA_NONE, /* No small data support. */ |
| SDATA_DATA, /* Just put data in .sbss/.sdata, don't use relocs. */ |
| SDATA_SYSV, /* Use r13 to point to .sdata/.sbss. */ |
| SDATA_EABI /* Use r13 like above, r2 points to .sdata2/.sbss2. */ |
| }; |
| |
| /* Type of traceback to use. */ |
| enum rs6000_traceback_type { |
| traceback_default = 0, |
| traceback_none, |
| traceback_part, |
| traceback_full |
| }; |
| |
| /* Code model for 64-bit linux. |
| small: 16-bit toc offsets. |
| medium: 32-bit toc offsets, static data and code within 2G of TOC pointer. |
| large: 32-bit toc offsets, no limit on static data and code. */ |
| enum rs6000_cmodel { |
| CMODEL_SMALL, |
| CMODEL_MEDIUM, |
| CMODEL_LARGE |
| }; |
| |
| /* Describe which vector unit to use for a given machine mode. The |
| VECTOR_MEM_* and VECTOR_UNIT_* macros assume that Altivec, VSX, and |
| P8_VECTOR are contiguous. */ |
| enum rs6000_vector { |
| VECTOR_NONE, /* Type is not a vector or not supported */ |
| VECTOR_ALTIVEC, /* Use altivec for vector processing */ |
| VECTOR_VSX, /* Use VSX for vector processing */ |
| VECTOR_P8_VECTOR /* Use ISA 2.07 VSX for vector processing */ |
| }; |
| |
| /* Where to get the canary for the stack protector. */ |
| enum stack_protector_guard { |
| SSP_TLS, /* per-thread canary in TLS block */ |
| SSP_GLOBAL /* global canary */ |
| }; |
| |
| /* No enumeration is defined to index the -mcpu= values (entries in |
| processor_target_table), with the type int being used instead, but |
| we need to distinguish the special "native" value. */ |
| #define RS6000_CPU_OPTION_NATIVE -1 |
| |
| #endif |