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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [config/] [or32/] [or32.opt] - Rev 399

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; Options for the OR32 port of the compiler
; This file is part of GCC.
;
; Copyright (C) 2010 Embecosm Limited
;
; 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/>.

mhard-float
Target RejectNegative Mask(HARD_FLOAT)
Use hardware floating point

msoft-float
Target RejectNegative InverseMask(HARD_FLOAT)
Do not use hardware floating point

mdouble-float
Target Report RejectNegative Mask(DOUBLE_FLOAT)
Allow hardware floating-point instructions to cover both 32-bit and 64-bit operations

mhard-div
Target RejectNegative Mask(HARD_DIV)
Use hardware division

msoft-div
Target RejectNegative InverseMask(HARD_DIV)
Do not use hardware division

mhard-mul
Target RejectNegative Mask(HARD_MUL)
Use hardware multiplication

msoft-mul
Target RejectNegative InverseMask(HARD_MUL)
Do not use hardware multiplication

msext
Target Mask(MASK_SEXT)
Use sign-extending instructions

mcmov
Target Mask(MASK_CMOV)
Use conditional move instructions

mlogue
Target Mask(SCHED_LOGUE)
Schedule prologue/epilogue

mror
Target Mask(MASK_ROR)
Emit ROR instructions

mor32-newlib
Target RejectNegative
Link with the OR32 newlib library

mor32-newlib-uart
Target RejectNegative
Link with the OR32 newlib UART library

;; provide struct padding as in previous releases.
;; Note that this will only affect STRUCTURE_SIZE_BOUNDARY, in particular
;; make 2 byte structs 4-byte alignned and sized.
;; We still use ROUND_TYPE_ALIGN to increase alignment of larger structs.
mpadstruct
Target Report RejectNegative Mask(PADSTRUCT)
Make structs a multiple of 4 bytes (warning: ABI altered)

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