view gcc/config/rx/rx.opt @ 55:77e2b8dfacca gcc-4.4.5

update it from 4.4.3 to 4.5.0
author ryoma <e075725@ie.u-ryukyu.ac.jp>
date Fri, 12 Feb 2010 23:39:51 +0900
parents
children b7f97abdc517
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; Command line options for the Renesas RX port of GCC.
; Copyright (C) 2008, 2009 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/>.
;---------------------------------------------------

m32bit-doubles
Target RejectNegative Mask(32BIT_DOUBLES)
Stores doubles in 32 bits.

m64bit-doubles
Target RejectNegative InverseMask(32BIT_DOUBLES)
Store doubles in 64 bits.  This is the default.

fpu
Target RejectNegative Mask(32BIT_DOUBLES) MaskExists
Enable the use of RX FPU instructions.

nofpu
Target RejectNegative InverseMask(32BIT_DOUBLES) MaskExists
Disable the use of RX FPU instructions.

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

mcpu=
Target RejectNegative Joined Var(rx_cpu_name)
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)
Data is stored in big-endian format.

mlittle-endian-data
Target RejectNegative InverseMask(BIG_ENDIAN_DATA)
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)
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.