mmix.opt: New file.
* config/mmix/mmix.opt: New file. * config/mmix/mmix.h: Move options-related comments to mmix.opt. (mmix_cc1_ignored_option): Don't declare. (TARGET_OPTIONS, TARGET_MASK_LIBFUNCS, TARGET_MASK_ABI_GNU) (TARGET_MASK_FCMP_EPSILON, TARGET_MASK_ZERO_EXTEND) (TARGET_MASK_KNUTH_DIVISION, TARGET_MASK_TOPLEVEL_SYMBOLS) (TARGET_MASK_BRANCH_PREDICT, TARGET_MASK_USE_RETURN_INSN) (TARGET_MASK_BASE_ADDRESSES, TARGET_LIBFUNC, TARGET_ABI_GNU, (TARGET_FCMP_EPSILON, TARGET_ZERO_EXTEND, TARGET_KNUTH_DIVISION) (TARGET_TOPLEVEL_SYMBOLS, TARGET_BRANCH_PREDICT) (TARGET_BASE_ADDRESSES, TARGET_USE_RETURN_INSN, TARGET_SWITCHES): Don't define. (TARGET_DEFAULT): Change TARGET_MASK_... to MASK_... * config/mmix/mmix.c (mmix_cc1_ignored_option): Remove. (TARGET_DEFAULT_TARGET_FLAGS): Override default. From-SVN: r99122
This commit is contained in:
Hans-Peter Nilsson
Hans-Peter Nilsson
parent
aff447417f
commit
6ff59fe717
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@ -1,3 +1,21 @@
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2005-05-02 Hans-Peter Nilsson <hp@bitrange.com>
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* config/mmix/mmix.opt: New file.
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* config/mmix/mmix.h: Move options-related comments to mmix.opt.
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(mmix_cc1_ignored_option): Don't declare.
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(TARGET_OPTIONS, TARGET_MASK_LIBFUNCS, TARGET_MASK_ABI_GNU)
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(TARGET_MASK_FCMP_EPSILON, TARGET_MASK_ZERO_EXTEND)
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(TARGET_MASK_KNUTH_DIVISION, TARGET_MASK_TOPLEVEL_SYMBOLS)
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(TARGET_MASK_BRANCH_PREDICT, TARGET_MASK_USE_RETURN_INSN)
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(TARGET_MASK_BASE_ADDRESSES, TARGET_LIBFUNC, TARGET_ABI_GNU,
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(TARGET_FCMP_EPSILON, TARGET_ZERO_EXTEND, TARGET_KNUTH_DIVISION)
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(TARGET_TOPLEVEL_SYMBOLS, TARGET_BRANCH_PREDICT)
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(TARGET_BASE_ADDRESSES, TARGET_USE_RETURN_INSN, TARGET_SWITCHES):
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Don't define.
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(TARGET_DEFAULT): Change TARGET_MASK_... to MASK_...
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* config/mmix/mmix.c (mmix_cc1_ignored_option): Remove.
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(TARGET_DEFAULT_TARGET_FLAGS): Override default.
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2005-05-02 Joseph S. Myers <joseph@codesourcery.com>
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PR c/15698
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@ -107,11 +107,6 @@ Boston, MA 02111-1307, USA. */
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rtx mmix_compare_op0;
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rtx mmix_compare_op1;
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/* We ignore some options with arguments. They are passed to the linker,
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but also ends up here because they start with "-m". We tell the driver
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to store them in a variable we don't inspect. */
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const char *mmix_cc1_ignored_option;
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/* Declarations of locals. */
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/* Intermediate for insn output. */
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@ -209,6 +204,8 @@ static bool mmix_pass_by_reference (const CUMULATIVE_ARGS *,
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#define TARGET_PASS_BY_REFERENCE mmix_pass_by_reference
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#undef TARGET_CALLEE_COPIES
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#define TARGET_CALLEE_COPIES hook_bool_CUMULATIVE_ARGS_mode_tree_bool_true
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#undef TARGET_DEFAULT_TARGET_FLAGS
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#define TARGET_DEFAULT_TARGET_FLAGS TARGET_DEFAULT
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struct gcc_target targetm = TARGET_INITIALIZER;
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@ -124,15 +124,6 @@ struct machine_function GTY(())
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%{!r:--defsym __.MMIX.start..text=0x100}}}\
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%{!melf:%{!r:-m mmo}}%{melf|r:-m elf64mmix}"
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/* Put unused option values here. */
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extern const char *mmix_cc1_ignored_option;
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#define TARGET_OPTIONS \
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{{"set-program-start=", &mmix_cc1_ignored_option, \
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N_("Set start-address of the program"), 0}, \
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{"set-data-start=", &mmix_cc1_ignored_option, \
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N_("Set start-address of data"), 0} }
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/* FIXME: There's no provision for profiling here. */
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#define STARTFILE_SPEC \
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"crti%O%s crtbegin%O%s"
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@ -156,80 +147,8 @@ extern const char *mmix_cc1_ignored_option;
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extern int target_flags;
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#define TARGET_MASK_LIBFUNCS 1
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#define TARGET_MASK_ABI_GNU 2
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#define TARGET_MASK_FCMP_EPSILON 4
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#define TARGET_MASK_ZERO_EXTEND 8
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#define TARGET_MASK_KNUTH_DIVISION 16
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#define TARGET_MASK_TOPLEVEL_SYMBOLS 32
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#define TARGET_MASK_BRANCH_PREDICT 64
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#define TARGET_MASK_USE_RETURN_INSN 128
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/* We use the term "base address" since that's what Knuth uses. The base
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address goes in a global register. When addressing, it's more like
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"base address plus offset", with the offset being 0..255 from the base,
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which itself can be a symbol plus an offset. The effect is like having
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a constant pool in global registers, code offsetting from those
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registers (automatically causing a request for a suitable constant base
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address register) without having to know the specific register or the
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specific offset. The setback is that there's a limited number of
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registers, and you'll not find out until link time whether you
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should have compiled with -mno-base-addresses. */
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#define TARGET_MASK_BASE_ADDRESSES 128
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/* FIXME: Get rid of this one. */
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#define TARGET_LIBFUNC (target_flags & TARGET_MASK_LIBFUNCS)
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#define TARGET_ABI_GNU (target_flags & TARGET_MASK_ABI_GNU)
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#define TARGET_FCMP_EPSILON (target_flags & TARGET_MASK_FCMP_EPSILON)
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#define TARGET_ZERO_EXTEND (target_flags & TARGET_MASK_ZERO_EXTEND)
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#define TARGET_KNUTH_DIVISION (target_flags & TARGET_MASK_KNUTH_DIVISION)
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#define TARGET_TOPLEVEL_SYMBOLS (target_flags & TARGET_MASK_TOPLEVEL_SYMBOLS)
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#define TARGET_BRANCH_PREDICT (target_flags & TARGET_MASK_BRANCH_PREDICT)
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#define TARGET_BASE_ADDRESSES (target_flags & TARGET_MASK_BASE_ADDRESSES)
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#define TARGET_USE_RETURN_INSN (target_flags & TARGET_MASK_USE_RETURN_INSN)
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#define TARGET_DEFAULT \
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(TARGET_MASK_BRANCH_PREDICT | TARGET_MASK_BASE_ADDRESSES \
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| TARGET_MASK_USE_RETURN_INSN)
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/* FIXME: Provide a way to *load* the epsilon register. */
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#define TARGET_SWITCHES \
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{{"libfuncs", TARGET_MASK_LIBFUNCS, \
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N_("For intrinsics library: pass all parameters in registers")}, \
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{"no-libfuncs", -TARGET_MASK_LIBFUNCS, ""}, \
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{"abi=mmixware", -TARGET_MASK_ABI_GNU, \
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N_("Use register stack for parameters and return value")}, \
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{"abi=gnu", TARGET_MASK_ABI_GNU, \
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N_("Use call-clobbered registers for parameters and return value")}, \
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{"epsilon", TARGET_MASK_FCMP_EPSILON, \
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N_("Use epsilon-respecting floating point compare instructions")}, \
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{"no-epsilon", -TARGET_MASK_FCMP_EPSILON, ""}, \
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{"zero-extend", TARGET_MASK_ZERO_EXTEND, \
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N_("Use zero-extending memory loads, not sign-extending ones")}, \
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{"no-zero-extend", -TARGET_MASK_ZERO_EXTEND, ""}, \
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{"knuthdiv", TARGET_MASK_KNUTH_DIVISION, \
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N_("Generate divide results with reminder having the same sign as the\
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divisor (not the dividend)")}, \
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{"no-knuthdiv", -TARGET_MASK_KNUTH_DIVISION, ""}, \
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{"toplevel-symbols", TARGET_MASK_TOPLEVEL_SYMBOLS, \
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N_("Prepend global symbols with \":\" (for use with PREFIX)")}, \
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{"no-toplevel-symbols", -TARGET_MASK_TOPLEVEL_SYMBOLS, \
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N_("Do not provide a default start-address 0x100 of the program")}, \
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{"elf", 0, \
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N_("Link to emit program in ELF format (rather than mmo)")}, \
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{"branch-predict", TARGET_MASK_BRANCH_PREDICT, \
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N_("Use P-mnemonics for branches statically predicted as taken")}, \
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{"no-branch-predict", -TARGET_MASK_BRANCH_PREDICT, \
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N_("Don't use P-mnemonics for branches")}, \
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{"base-addresses", TARGET_MASK_BASE_ADDRESSES, \
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N_("Use addresses that allocate global registers")}, \
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{"no-base-addresses", -TARGET_MASK_BASE_ADDRESSES, \
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N_("Do not use addresses that allocate global registers")}, \
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{"single-exit", -TARGET_MASK_USE_RETURN_INSN, \
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N_("Generate a single exit point for each function")}, \
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{"no-single-exit", TARGET_MASK_USE_RETURN_INSN, \
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N_("Do not generate a single exit point for each function")}, \
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{"", TARGET_DEFAULT, ""}}
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(MASK_BRANCH_PREDICT | MASK_BASE_ADDRESSES | MASK_USE_RETURN_INSN)
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/* Unfortunately, this must not reference anything in "mmix.c". */
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#define TARGET_VERSION \
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@ -0,0 +1,100 @@
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; Options for the MMIX port of the compiler.
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; Copyright (C) 2005 Free Software Foundation, Inc.
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;
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; This file is part of GCC.
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;
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; GCC is free software; you can redistribute it and/or modify it under
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; the terms of the GNU General Public License as published by the Free
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; Software Foundation; either version 2, or (at your option) any later
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; version.
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;
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; GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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; WARRANTY; without even the implied warranty of MERCHANTABILITY or
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; FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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; for more details.
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;
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; You should have received a copy of the GNU General Public License
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; along with GCC; see the file COPYING. If not, write to the Free
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; Software Foundation, 59 Temple Place - Suite 330, Boston, MA
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; 02111-1307, USA.
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; FIXME: Get rid of this one.
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mlibfuncs
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Target Report Mask(LIBFUNC)
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For intrinsics library: pass all parameters in registers
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mabi=mmixware
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Target Report RejectNegative InverseMask(ABI_GNU)
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Use register stack for parameters and return value
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mabi=gnu
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Target Report RejectNegative Mask(ABI_GNU)
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Use call-clobbered registers for parameters and return value
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; FIXME: Provide a way to *load* the epsilon register.
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mepsilon
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Target Report Mask(FCMP_EPSILON)
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Use epsilon-respecting floating point compare instructions
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mzero-extend
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Target Report Mask(ZERO_EXTEND)
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Use zero-extending memory loads, not sign-extending ones
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mknuthdiv
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Target Report Mask(KNUTH_DIVISION)
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Generate divide results with reminder having the same sign as the divisor (not the dividend)
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mtoplevel-symbols
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Target Report Mask(TOPLEVEL_SYMBOLS)
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Prepend global symbols with \":\" (for use with PREFIX)
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mno-set-program-start
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Target Report RejectNegative
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Do not provide a default start-address 0x100 of the program
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melf
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Target Report RejectNegative
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Link to emit program in ELF format (rather than mmo)
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mbranch-predict
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Target Report RejectNegative Mask(BRANCH_PREDICT)
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Use P-mnemonics for branches statically predicted as taken
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mno-branch-predict
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Target Report RejectNegative InverseMask(BRANCH_PREDICT)
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Don't use P-mnemonics for branches
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; We use the term "base address" since that's what Knuth uses. The base
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; address goes in a global register. When addressing, it's more like
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; "base address plus offset", with the offset being 0..255 from the base,
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; which itself can be a symbol plus an offset. The effect is like having
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; a constant pool in global registers, code offsetting from those
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; registers (automatically causing a request for a suitable constant base
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; address register) without having to know the specific register or the
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; specific offset. The setback is that there's a limited number of
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; registers, and you'll not find out until link time whether you
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; should have compiled with -mno-base-addresses.
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mbase-addresses
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Target Report RejectNegative Mask(BASE_ADDRESSES)
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Use addresses that allocate global registers
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mno-base-addresses
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Target Report RejectNegative InverseMask(BASE_ADDRESSES)
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Do not use addresses that allocate global registers
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msingle-exit
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Target Report RejectNegative InverseMask(USE_RETURN_INSN)
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Generate a single exit point for each function
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mno-single-exit
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Target Report RejectNegative Mask(USE_RETURN_INSN)
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Do not generate a single exit point for each function
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mset-program-start=
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Target Report RejectNegative Joined
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Set start-address of the program
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mset-data-start=
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Target Report RejectNegative Joined
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Set start-address of data
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