+2005-05-02 Hans-Peter Nilsson <hp@bitrange.com>
+
+ * 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.
+
2005-05-02 Joseph S. Myers <joseph@codesourcery.com>
PR c/15698
%{!r:--defsym __.MMIX.start..text=0x100}}}\
%{!melf:%{!r:-m mmo}}%{melf|r:-m elf64mmix}"
-/* Put unused option values here. */
-extern const char *mmix_cc1_ignored_option;
-
-#define TARGET_OPTIONS \
- {{"set-program-start=", &mmix_cc1_ignored_option, \
- N_("Set start-address of the program"), 0}, \
- {"set-data-start=", &mmix_cc1_ignored_option, \
- N_("Set start-address of data"), 0} }
-
/* FIXME: There's no provision for profiling here. */
#define STARTFILE_SPEC \
"crti%O%s crtbegin%O%s"
extern int target_flags;
-#define TARGET_MASK_LIBFUNCS 1
-#define TARGET_MASK_ABI_GNU 2
-#define TARGET_MASK_FCMP_EPSILON 4
-#define TARGET_MASK_ZERO_EXTEND 8
-#define TARGET_MASK_KNUTH_DIVISION 16
-#define TARGET_MASK_TOPLEVEL_SYMBOLS 32
-#define TARGET_MASK_BRANCH_PREDICT 64
-#define TARGET_MASK_USE_RETURN_INSN 128
-
-/* We use the term "base address" since that's what Knuth uses. The base
- address goes in a global register. When addressing, it's more like
- "base address plus offset", with the offset being 0..255 from the base,
- which itself can be a symbol plus an offset. The effect is like having
- a constant pool in global registers, code offsetting from those
- registers (automatically causing a request for a suitable constant base
- address register) without having to know the specific register or the
- specific offset. The setback is that there's a limited number of
- registers, and you'll not find out until link time whether you
- should have compiled with -mno-base-addresses. */
-#define TARGET_MASK_BASE_ADDRESSES 128
-
-/* FIXME: Get rid of this one. */
-#define TARGET_LIBFUNC (target_flags & TARGET_MASK_LIBFUNCS)
-#define TARGET_ABI_GNU (target_flags & TARGET_MASK_ABI_GNU)
-#define TARGET_FCMP_EPSILON (target_flags & TARGET_MASK_FCMP_EPSILON)
-#define TARGET_ZERO_EXTEND (target_flags & TARGET_MASK_ZERO_EXTEND)
-#define TARGET_KNUTH_DIVISION (target_flags & TARGET_MASK_KNUTH_DIVISION)
-#define TARGET_TOPLEVEL_SYMBOLS (target_flags & TARGET_MASK_TOPLEVEL_SYMBOLS)
-#define TARGET_BRANCH_PREDICT (target_flags & TARGET_MASK_BRANCH_PREDICT)
-#define TARGET_BASE_ADDRESSES (target_flags & TARGET_MASK_BASE_ADDRESSES)
-#define TARGET_USE_RETURN_INSN (target_flags & TARGET_MASK_USE_RETURN_INSN)
-
#define TARGET_DEFAULT \
- (TARGET_MASK_BRANCH_PREDICT | TARGET_MASK_BASE_ADDRESSES \
- | TARGET_MASK_USE_RETURN_INSN)
-
-/* FIXME: Provide a way to *load* the epsilon register. */
-#define TARGET_SWITCHES \
- {{"libfuncs", TARGET_MASK_LIBFUNCS, \
- N_("For intrinsics library: pass all parameters in registers")}, \
- {"no-libfuncs", -TARGET_MASK_LIBFUNCS, ""}, \
- {"abi=mmixware", -TARGET_MASK_ABI_GNU, \
- N_("Use register stack for parameters and return value")}, \
- {"abi=gnu", TARGET_MASK_ABI_GNU, \
- N_("Use call-clobbered registers for parameters and return value")}, \
- {"epsilon", TARGET_MASK_FCMP_EPSILON, \
- N_("Use epsilon-respecting floating point compare instructions")}, \
- {"no-epsilon", -TARGET_MASK_FCMP_EPSILON, ""}, \
- {"zero-extend", TARGET_MASK_ZERO_EXTEND, \
- N_("Use zero-extending memory loads, not sign-extending ones")}, \
- {"no-zero-extend", -TARGET_MASK_ZERO_EXTEND, ""}, \
- {"knuthdiv", TARGET_MASK_KNUTH_DIVISION, \
- N_("Generate divide results with reminder having the same sign as the\
- divisor (not the dividend)")}, \
- {"no-knuthdiv", -TARGET_MASK_KNUTH_DIVISION, ""}, \
- {"toplevel-symbols", TARGET_MASK_TOPLEVEL_SYMBOLS, \
- N_("Prepend global symbols with \":\" (for use with PREFIX)")}, \
- {"no-toplevel-symbols", -TARGET_MASK_TOPLEVEL_SYMBOLS, \
- N_("Do not provide a default start-address 0x100 of the program")}, \
- {"elf", 0, \
- N_("Link to emit program in ELF format (rather than mmo)")}, \
- {"branch-predict", TARGET_MASK_BRANCH_PREDICT, \
- N_("Use P-mnemonics for branches statically predicted as taken")}, \
- {"no-branch-predict", -TARGET_MASK_BRANCH_PREDICT, \
- N_("Don't use P-mnemonics for branches")}, \
- {"base-addresses", TARGET_MASK_BASE_ADDRESSES, \
- N_("Use addresses that allocate global registers")}, \
- {"no-base-addresses", -TARGET_MASK_BASE_ADDRESSES, \
- N_("Do not use addresses that allocate global registers")}, \
- {"single-exit", -TARGET_MASK_USE_RETURN_INSN, \
- N_("Generate a single exit point for each function")}, \
- {"no-single-exit", TARGET_MASK_USE_RETURN_INSN, \
- N_("Do not generate a single exit point for each function")}, \
- {"", TARGET_DEFAULT, ""}}
+ (MASK_BRANCH_PREDICT | MASK_BASE_ADDRESSES | MASK_USE_RETURN_INSN)
/* Unfortunately, this must not reference anything in "mmix.c". */
#define TARGET_VERSION \
--- /dev/null
+; Options for the MMIX port of the compiler.
+
+; Copyright (C) 2005 Free Software Foundation, Inc.
+;
+; 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 2, 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.
+;
+; You should have received a copy of the GNU General Public License
+; along with GCC; see the file COPYING. If not, write to the Free
+; Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+; 02111-1307, USA.
+
+; FIXME: Get rid of this one.
+mlibfuncs
+Target Report Mask(LIBFUNC)
+For intrinsics library: pass all parameters in registers
+
+mabi=mmixware
+Target Report RejectNegative InverseMask(ABI_GNU)
+Use register stack for parameters and return value
+
+mabi=gnu
+Target Report RejectNegative Mask(ABI_GNU)
+Use call-clobbered registers for parameters and return value
+
+; FIXME: Provide a way to *load* the epsilon register.
+mepsilon
+Target Report Mask(FCMP_EPSILON)
+Use epsilon-respecting floating point compare instructions
+
+mzero-extend
+Target Report Mask(ZERO_EXTEND)
+Use zero-extending memory loads, not sign-extending ones
+
+mknuthdiv
+Target Report Mask(KNUTH_DIVISION)
+Generate divide results with reminder having the same sign as the divisor (not the dividend)
+
+mtoplevel-symbols
+Target Report Mask(TOPLEVEL_SYMBOLS)
+Prepend global symbols with \":\" (for use with PREFIX)
+
+mno-set-program-start
+Target Report RejectNegative
+Do not provide a default start-address 0x100 of the program
+
+melf
+Target Report RejectNegative
+Link to emit program in ELF format (rather than mmo)
+
+mbranch-predict
+Target Report RejectNegative Mask(BRANCH_PREDICT)
+Use P-mnemonics for branches statically predicted as taken
+
+mno-branch-predict
+Target Report RejectNegative InverseMask(BRANCH_PREDICT)
+Don't use P-mnemonics for branches
+
+; We use the term "base address" since that's what Knuth uses. The base
+; address goes in a global register. When addressing, it's more like
+; "base address plus offset", with the offset being 0..255 from the base,
+; which itself can be a symbol plus an offset. The effect is like having
+; a constant pool in global registers, code offsetting from those
+; registers (automatically causing a request for a suitable constant base
+; address register) without having to know the specific register or the
+; specific offset. The setback is that there's a limited number of
+; registers, and you'll not find out until link time whether you
+; should have compiled with -mno-base-addresses.
+mbase-addresses
+Target Report RejectNegative Mask(BASE_ADDRESSES)
+Use addresses that allocate global registers
+
+mno-base-addresses
+Target Report RejectNegative InverseMask(BASE_ADDRESSES)
+Do not use addresses that allocate global registers
+
+msingle-exit
+Target Report RejectNegative InverseMask(USE_RETURN_INSN)
+Generate a single exit point for each function
+
+mno-single-exit
+Target Report RejectNegative Mask(USE_RETURN_INSN)
+Do not generate a single exit point for each function
+
+mset-program-start=
+Target Report RejectNegative Joined
+Set start-address of the program
+
+mset-data-start=
+Target Report RejectNegative Joined
+Set start-address of data
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