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julius |
; Options for the MMIX port of the compiler.
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; Copyright (C) 2005, 2007 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 3, 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 COPYING3. If not see
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; .
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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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