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Diffstat (limited to 'gcc-4.9/gcc/config/mmix/mmix.opt')
| -rw-r--r-- | gcc-4.9/gcc/config/mmix/mmix.opt | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/config/mmix/mmix.opt b/gcc-4.9/gcc/config/mmix/mmix.opt new file mode 100644 index 000000000..1a003baae --- /dev/null +++ b/gcc-4.9/gcc/config/mmix/mmix.opt @@ -0,0 +1,99 @@ +; Options for the MMIX port of the compiler. + +; Copyright (C) 2005-2014 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 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. +; +; You should have received a copy of the GNU General Public License +; along with GCC; see the file COPYING3. If not see +; <http://www.gnu.org/licenses/>. + +; 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 |