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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [config/] [rx/] [rx.opt] - Rev 282

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; Command line options for the Renesas RX port of GCC.
; Copyright (C) 2008, 2009, 2010 Free Software Foundation, Inc.
; Contributed by Red Hat.
;
; 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/>.
;---------------------------------------------------

; The default is -fpu -m32bit-doubles.

m64bit-doubles
Target RejectNegative Mask(64BIT_DOUBLES) Report
Store doubles in 64 bits.

m32bit-doubles
Target RejectNegative InverseMask(64BIT_DOUBLES) Report
Stores doubles in 32 bits.  This is the default.

nofpu
Target RejectNegative Mask(NO_USE_FPU) Report
Disable the use of RX FPU instructions.  

mnofpu
Target RejectNegative Mask(NO_USE_FPU) MaskExists Undocumented

fpu
Target RejectNegative InverseMask(NO_USE_FPU) Report
Enable the use of RX FPU instructions.  This is the default.

;---------------------------------------------------

mcpu=
Target RejectNegative Joined Var(rx_cpu_name) Report
Specify the target RX cpu type.

patch=
Target RejectNegative Joined Var(rx_cpu_name)
Alias for -mcpu.

;---------------------------------------------------

mbig-endian-data
Target RejectNegative Mask(BIG_ENDIAN_DATA) Report
Data is stored in big-endian format.

mlittle-endian-data
Target RejectNegative InverseMask(BIG_ENDIAN_DATA) Report
Data is stored in little-endian format.  (Default).

;---------------------------------------------------

msmall-data-limit=
Target RejectNegative Joined UInteger Var(rx_small_data_limit) Init(0)
Maximum size of global and static variables which can be placed into the small data area.

;---------------------------------------------------

msim
Target
Use the simulator runtime.

;---------------------------------------------------

mas100-syntax
Target Mask(AS100_SYNTAX) Report
Generate assembler output that is compatible with the Renesas AS100 assembler.  This may restrict some of the compiler's capabilities.  The default is to generate GAS compatable syntax.

;---------------------------------------------------

mrelax
Target
Enable linker relaxation.

;---------------------------------------------------

mmax-constant-size=
Target RejectNegative Joined UInteger Var(rx_max_constant_size) Init(0)
Maximum size in bytes of constant values allowed as operands.

;---------------------------------------------------

mint-register=
Target RejectNegative Joined UInteger Var(rx_interrupt_registers) Init(0)
Specifies the number of registers to reserve for interrupt handlers.

;---------------------------------------------------

msave-acc-in-interrupts
Target Mask(SAVE_ACC_REGISTER)
Specifies whether interrupt functions should save and restore the accumulator register.

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