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; Options for the FR-V port of the compiler.

; Copyright (C) 2005, 2007, 2011 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

; .

HeaderInclude

config/frv/frv-opts.h

; Value of -mcpu=.

Variable

frv_cpu_t frv_cpu_type = CPU_TYPE

macc-4

Target Report RejectNegative Mask(ACC_4)

Use 4 media accumulators

macc-8

Target Report RejectNegative InverseMask(ACC_4, ACC_8)

Use 8 media accumulators

malign-labels

Target Report Mask(ALIGN_LABELS)

Enable label alignment optimizations

malloc-cc

Target Report RejectNegative Mask(ALLOC_CC)

Dynamically allocate cc registers

; We used to default the branch cost to 2, but it was changed it to 1 to avoid

; generating SCC instructions and or/and-ing them together, and then doing the

; branch on the result, which collectively generate much worse code.

mbranch-cost=

Target RejectNegative Joined UInteger Var(frv_branch_cost_int) Init(1)

Set the cost of branches

mcond-exec

Target Report Mask(COND_EXEC)

Enable conditional execution other than moves/scc

mcond-exec-insns=

Target RejectNegative Joined UInteger Var(frv_condexec_insns) Init(8)

Change the maximum length of conditionally-executed sequences

mcond-exec-temps=

Target RejectNegative Joined UInteger Var(frv_condexec_temps) Init(4)

Change the number of temporary registers that are available to conditionally-executed sequences

mcond-move

Target Report Mask(COND_MOVE)

Enable conditional moves

mcpu=

Target RejectNegative Joined Enum(frv_cpu) Var(frv_cpu_type)

Set the target CPU type

Enum

Name(frv_cpu) Type(frv_cpu_t)

Known FR-V CPUs (for use with the -mcpu= option):

EnumValue

Enum(frv_cpu) String(simple) Value(FRV_CPU_SIMPLE)

EnumValue

Enum(frv_cpu) String(tomcat) Value(FRV_CPU_TOMCAT)

EnumValue

Enum(frv_cpu) String(fr550) Value(FRV_CPU_FR550)

EnumValue

Enum(frv_cpu) String(fr500) Value(FRV_CPU_FR500)

EnumValue

Enum(frv_cpu) String(fr450) Value(FRV_CPU_FR450)

EnumValue

Enum(frv_cpu) String(fr405) Value(FRV_CPU_FR405)

EnumValue

Enum(frv_cpu) String(fr400) Value(FRV_CPU_FR400)

EnumValue

Enum(frv_cpu) String(fr300) Value(FRV_CPU_FR300)

EnumValue

Enum(frv_cpu) String(frv) Value(FRV_CPU_GENERIC)

mdebug

Target Undocumented Var(TARGET_DEBUG)

mdebug-arg

Target Undocumented Var(TARGET_DEBUG_ARG)

mdebug-addr

Target Undocumented Var(TARGET_DEBUG_ADDR)

mdebug-cond-exec

Target Undocumented Var(TARGET_DEBUG_COND_EXEC)

mdebug-loc

Target Undocumented Var(TARGET_DEBUG_LOC)

mdebug-stack

Target Undocumented Var(TARGET_DEBUG_STACK)

mdouble

Target Report Mask(DOUBLE)

Use fp double instructions

mdword

Target Report Mask(DWORD)

Change the ABI to allow double word insns

mfdpic

Target Report Mask(FDPIC)

Enable Function Descriptor PIC mode

mfixed-cc

Target Report RejectNegative InverseMask(ALLOC_CC, FIXED_CC)

Just use icc0/fcc0

mfpr-32

Target Report RejectNegative Mask(FPR_32)

Only use 32 FPRs

mfpr-64

Target Report RejectNegative InverseMask(FPR_32, FPR_64)

Use 64 FPRs

mgpr-32

Target Report RejectNegative Mask(GPR_32)

Only use 32 GPRs

mgpr-64

Target Report RejectNegative InverseMask(GPR_32, GPR_64)

Use 64 GPRs

mgprel-ro

Target Report Mask(GPREL_RO)

Enable use of GPREL for read-only data in FDPIC

mhard-float

Target Report RejectNegative InverseMask(SOFT_FLOAT, HARD_FLOAT)

Use hardware floating point

minline-plt

Target Report Mask(INLINE_PLT)

Enable inlining of PLT in function calls

mlibrary-pic

Target Report Mask(LIBPIC)

Enable PIC support for building libraries

mlinked-fp

Target Report Mask(LINKED_FP)

Follow the EABI linkage requirements

mlong-calls

Target Report Mask(LONG_CALLS)

Disallow direct calls to global functions

mmedia

Target Report Mask(MEDIA)

Use media instructions

mmuladd

Target Report Mask(MULADD)

Use multiply add/subtract instructions

mmulti-cond-exec

Target Report Mask(MULTI_CE)

Enable optimizing &&/|| in conditional execution

mnested-cond-exec

Target Report Mask(NESTED_CE)

Enable nested conditional execution optimizations

; Not used by the compiler proper.

mno-eflags

Target RejectNegative

Do not mark ABI switches in e_flags

moptimize-membar

Target Report Mask(OPTIMIZE_MEMBAR)

Remove redundant membars

mpack

Target Report Mask(PACK)

Pack VLIW instructions

mscc

Target Report Mask(SCC)

Enable setting GPRs to the result of comparisons

msched-lookahead=

Target RejectNegative Joined UInteger Var(frv_sched_lookahead) Init(4)

Change the amount of scheduler lookahead

msoft-float

Target Report RejectNegative Mask(SOFT_FLOAT)

Use software floating point

mTLS

Target Report RejectNegative Mask(BIG_TLS)

Assume a large TLS segment

mtls

Target Report RejectNegative InverseMask(BIG_TLS)

Do not assume a large TLS segment

; Not used by the compiler proper.

mtomcat-stats

Target

Cause gas to print tomcat statistics

; Not used by the compiler proper.

multilib-library-pic

Target RejectNegative

Link with the library-pic libraries

mvliw-branch

Target Report Mask(VLIW_BRANCH)

Allow branches to be packed with other instructions