diff options
Diffstat (limited to 'gcc-4.9/gcc/config/rs6000/rs6000-opts.h')
| -rw-r--r-- | gcc-4.9/gcc/config/rs6000/rs6000-opts.h | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/config/rs6000/rs6000-opts.h b/gcc-4.9/gcc/config/rs6000/rs6000-opts.h new file mode 100644 index 000000000..72151d884 --- /dev/null +++ b/gcc-4.9/gcc/config/rs6000/rs6000-opts.h @@ -0,0 +1,160 @@ +/* Definitions of target machine needed for option handling for GNU compiler, + for IBM RS/6000. + Copyright (C) 2010-2014 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_RS64A, + PROCESSOR_MPCCORE, + PROCESSOR_CELL, + PROCESSOR_PPCA2, + PROCESSOR_TITAN +}; + + +/* FP processor type. */ +enum fpu_type_t +{ + FPU_NONE, /* No FPU */ + FPU_SF_LITE, /* Limited Single Precision FPU */ + FPU_DF_LITE, /* Limited Double Precision FPU */ + FPU_SF_FULL, /* Full Single Precision FPU */ + FPU_DF_FULL /* Full Double Single Precision FPU */ +}; + +/* 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 */ + VECTOR_PAIRED, /* Use paired floating point for vectors */ + VECTOR_SPE, /* Use SPE for vector processing */ + VECTOR_OTHER /* Some other vector unit */ +}; + +/* 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 |