view gcc/config/mcore/mcore.opt @ 14:f6334be47118

update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
author nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
date Tue, 22 Mar 2011 17:18:12 +0900
parents a06113de4d67
children 04ced10e8804
line wrap: on
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; Options for the Motorola MCore port of the compiler.

; Copyright (C) 2005, 2007, 2009, 2010 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/>.

m210
Target RejectNegative Report InverseMask(M340)
Generate code for the M*Core M210

m340
Target RejectNegative Report Mask(M340)
Generate code for the M*Core M340

m4byte-functions
Target Report Mask(OVERALIGN_FUNC)
Force functions to be aligned to a 4 byte boundary

mbig-endian
Target RejectNegative Report InverseMask(LITTLE_END)
Generate big-endian code

mcallgraph-data
Target Report Mask(CG_DATA)
Emit call graph information

mdiv
Target Report Mask(DIV)
Use the divide instruction

mhardlit
Target Report Mask(HARDLIT)
Inline constants if it can be done in 2 insns or less

mlittle-endian
Target RejectNegative Report Mask(LITTLE_END)
Generate little-endian code

; Not used by the compiler proper.
mno-lsim
Target RejectNegative
Assume that run-time support has been provided, so omit -lsim from the linker command line

mrelax-immediates
Target Report Mask(RELAX_IMM)
Use arbitrary sized immediates in bit operations

mslow-bytes
Target Report Mask(SLOW_BYTES)
Prefer word accesses over byte accesses

; Maximum size we are allowed to grow the stack in a single operation.
; If we want more, we must do it in increments of at most this size.
; If this value is 0, we don't check at all.
mstack-increment=
Target RejectNegative Joined UInteger Var(mcore_stack_increment) Init(STACK_UNITS_MAXSTEP)
Set the maximum amount for a single stack increment operation

mwide-bitfields
Target Report Mask(W_FIELD)
Always treat bitfields as int-sized