200 lines
4.7 KiB
Plaintext
200 lines
4.7 KiB
Plaintext
; Options for the FR-V 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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; <http://www.gnu.org/licenses/>.
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macc-4
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Target Report RejectNegative Mask(ACC_4)
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Use 4 media accumulators
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macc-8
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Target Report RejectNegative InverseMask(ACC_4, ACC_8)
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Use 8 media accumulators
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malign-labels
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Target Report Mask(ALIGN_LABELS)
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Enable label alignment optimizations
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malloc-cc
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Target Report RejectNegative Mask(ALLOC_CC)
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Dynamically allocate cc registers
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; We used to default the branch cost to 2, but it was changed it to 1 to avoid
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; generating SCC instructions and or/and-ing them together, and then doing the
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; branch on the result, which collectively generate much worse code.
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mbranch-cost=
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Target RejectNegative Joined UInteger Var(frv_branch_cost_int) Init(1)
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Set the cost of branches
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mcond-exec
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Target Report Mask(COND_EXEC)
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Enable conditional execution other than moves/scc
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mcond-exec-insns=
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Target RejectNegative Joined UInteger Var(frv_condexec_insns) Init(8)
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Change the maximum length of conditionally-executed sequences
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mcond-exec-temps=
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Target RejectNegative Joined UInteger Var(frv_condexec_temps) Init(4)
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Change the number of temporary registers that are available to conditionally-executed sequences
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mcond-move
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Target Report Mask(COND_MOVE)
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Enable conditional moves
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mcpu=
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Target RejectNegative Joined
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Set the target CPU type
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mdebug
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Target Undocumented Var(TARGET_DEBUG)
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mdebug-arg
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Target Undocumented Var(TARGET_DEBUG_ARG)
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mdebug-addr
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Target Undocumented Var(TARGET_DEBUG_ADDR)
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mdebug-cond-exec
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Target Undocumented Var(TARGET_DEBUG_COND_EXEC)
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mdebug-loc
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Target Undocumented Var(TARGET_DEBUG_LOC)
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mdebug-stack
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Target Undocumented Var(TARGET_DEBUG_STACK)
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mdouble
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Target Report Mask(DOUBLE)
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Use fp double instructions
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mdword
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Target Report Mask(DWORD)
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Change the ABI to allow double word insns
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mfdpic
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Target Report Mask(FDPIC)
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Enable Function Descriptor PIC mode
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mfixed-cc
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Target Report RejectNegative InverseMask(ALLOC_CC, FIXED_CC)
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Just use icc0/fcc0
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mfpr-32
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Target Report RejectNegative Mask(FPR_32)
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Only use 32 FPRs
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mfpr-64
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Target Report RejectNegative InverseMask(FPR_32, FPR_64)
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Use 64 FPRs
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mgpr-32
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Target Report RejectNegative Mask(GPR_32)
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Only use 32 GPRs
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mgpr-64
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Target Report RejectNegative InverseMask(GPR_32, GPR_64)
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Use 64 GPRs
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mgprel-ro
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Target Report Mask(GPREL_RO)
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Enable use of GPREL for read-only data in FDPIC
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mhard-float
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Target Report RejectNegative InverseMask(SOFT_FLOAT, HARD_FLOAT)
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Use hardware floating point
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minline-plt
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Target Report Mask(INLINE_PLT)
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Enable inlining of PLT in function calls
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mlibrary-pic
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Target Report Mask(LIBPIC)
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Enable PIC support for building libraries
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mlinked-fp
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Target Report Mask(LINKED_FP)
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Follow the EABI linkage requirements
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mlong-calls
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Target Report Mask(LONG_CALLS)
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Disallow direct calls to global functions
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mmedia
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Target Report Mask(MEDIA)
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Use media instructions
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mmuladd
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Target Report Mask(MULADD)
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Use multiply add/subtract instructions
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mmulti-cond-exec
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Target Report Mask(MULTI_CE)
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Enable optimizing &&/|| in conditional execution
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mnested-cond-exec
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Target Report Mask(NESTED_CE)
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Enable nested conditional execution optimizations
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; Not used by the compiler proper.
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mno-eflags
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Target RejectNegative
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Do not mark ABI switches in e_flags
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moptimize-membar
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Target Report Mask(OPTIMIZE_MEMBAR)
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Remove redundant membars
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mpack
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Target Report Mask(PACK)
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Pack VLIW instructions
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mscc
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Target Report Mask(SCC)
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Enable setting GPRs to the result of comparisons
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msched-lookahead=
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Target RejectNegative Joined UInteger Var(frv_sched_lookahead) Init(4)
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Change the amount of scheduler lookahead
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msoft-float
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Target Report RejectNegative Mask(SOFT_FLOAT)
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Use software floating point
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mTLS
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Target Report RejectNegative Mask(BIG_TLS)
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Assume a large TLS segment
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mtls
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Target Report RejectNegative InverseMask(BIG_TLS)
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Do not assume a large TLS segment
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; Not used by the compiler proper.
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mtomcat-stats
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Target
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Cause gas to print tomcat statistics
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; Not used by the compiler proper.
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multilib-library-pic
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Target RejectNegative
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Link with the library-pic libraries
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mvliw-branch
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Target Report Mask(VLIW_BRANCH)
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Allow branches to be packed with other instructions
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