view gcc/config/microblaze/microblaze.opt @ 68:561a7518be6b

update gcc-4.6
author Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
date Sun, 21 Aug 2011 07:07:55 +0900
parents
children 04ced10e8804
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; Options for the MicroBlaze port of the compiler
;
; Copyright 2009, 2010, 2011 Free Software Foundation, Inc.
;
; Contributed by Michael Eager <eager@eagercon.com>.
;
; 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/>.  */

Zxl-mode-bootstrap
Driver

Zxl-mode-executable
Driver

Zxl-mode-novectors
Driver

Zxl-mode-xilkernel
Driver

Zxl-mode-xmdstub
Driver

msoft-float
Target Report RejectNegative Mask(SOFT_FLOAT)
Use software emulation for floating point (default)

mhard-float
Target Report RejectNegative InverseMask(SOFT_FLOAT, HARD_FLOAT)
Use hardware floating point instructions

msmall-divides
Target Mask(SMALL_DIVIDES)
Use table lookup optimization for small signed integer divisions

mcpu=
Target RejectNegative Joined Var(microblaze_select_cpu)
-mcpu=PROCESSOR		Use features of and schedule code for given CPU

mmemcpy
Target Mask(MEMCPY)
Don't optimize block moves, use memcpy

mxl-soft-mul
Target Mask(SOFT_MUL)
Use the soft multiply emulation (default)

mxl-soft-div
Target Mask(SOFT_DIV)
Use the software emulation for divides (default)

mxl-barrel-shift
Target Mask(BARREL_SHIFT)
Use the hardware barrel shifter instead of emulation

mxl-pattern-compare
Target Mask(PATTERN_COMPARE)
Use pattern compare instructions

mxl-stack-check
Target Mask(STACK_CHECK)
Check for stack overflow at runtime

mxl-gp-opt
Target Mask(XLGPOPT)
Use GP relative sdata/sbss sections

mno-clearbss
Target RejectNegative
Clear the BSS to zero and place zero initialized in BSS

mxl-multiply-high
Target Mask(MULTIPLY_HIGH)
Use multiply high instructions for high part of 32x32 multiply

mxl-float-convert
Target Mask(FLOAT_CONVERT)
Use hardware floating point conversion instructions

mxl-float-sqrt
Target Mask(FLOAT_SQRT)
Use hardware floating point square root instruction

mxl-mode-executable
Target Mask(XL_MODE_EXECUTABLE)
Description for mxl-mode-executable

mxl-mode-xmdstub
Target Mask(XL_MODE_XMDSTUB)
Description for mxl-mode-xmdstub

mxl-mode-bootstrap
Target Mask(XL_MODE_BOOTSTRAP)
Description for mxl-mode-bootstrap

mxl-mode-novectors
Target Mask(XL_MODE_NOVECTORS)
Description for mxl-mode-novectors

mxl-mode-xilkernel
Target