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; Options for the Altera Nios II port of the compiler.
; Copyright (C) 2012-2014 Free Software Foundation, Inc.
; Contributed by Altera and Mentor Graphics, 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/>.
HeaderInclude
config/nios2/nios2-opts.h
TargetSave
int saved_fpu_custom_code[n2fpu_code_num]
TargetSave
enum nios2_ccs_code saved_custom_code_status[256]
TargetSave
int saved_custom_code_index[256]
mhw-div
Target Report Mask(HAS_DIV)
Enable DIV, DIVU
mhw-mul
Target Report Mask(HAS_MUL)
Enable MUL instructions
mhw-mulx
Target Report Mask(HAS_MULX)
Enable MULX instructions, assume fast shifter
mfast-sw-div
Target Report Mask(FAST_SW_DIV)
Use table based fast divide (default at -O3)
mbypass-cache
Target Report Mask(BYPASS_CACHE)
All memory accesses use I/O load/store instructions
mno-cache-volatile
Target Report RejectNegative Mask(BYPASS_CACHE_VOLATILE)
Volatile memory accesses use I/O load/store instructions
mcache-volatile
Target Report RejectNegative Undocumented InverseMask(BYPASS_CACHE_VOLATILE)
Volatile memory accesses do not use I/O load/store instructions
mgpopt
Target Report Var(TARGET_GPOPT) Init(-1)
Use GP-relative addressing to access small data
meb
Target Report RejectNegative Mask(BIG_ENDIAN)
Use big-endian byte order
mel
Target Report RejectNegative InverseMask(BIG_ENDIAN)
Use little-endian byte order
mcustom-fpu-cfg=
Target RejectNegative Joined Var(nios2_custom_fpu_cfg_string)
Floating point custom instruction configuration name
mno-custom-ftruncds
Target Report RejectNegative Var(nios2_custom_ftruncds, -1)
Do not use the ftruncds custom instruction
mcustom-ftruncds=
Target Report RejectNegative Joined UInteger Var(nios2_custom_ftruncds) Init(-1)
Integer id (N) of ftruncds custom instruction
mno-custom-fextsd
Target Report RejectNegative Var(nios2_custom_fextsd, -1)
Do not use the fextsd custom instruction
mcustom-fextsd=
Target Report RejectNegative Joined UInteger Var(nios2_custom_fextsd) Init(-1)
Integer id (N) of fextsd custom instruction
mno-custom-fixdu
Target Report RejectNegative Var(nios2_custom_fixdu, -1)
Do not use the fixdu custom instruction
mcustom-fixdu=
Target Report RejectNegative Joined UInteger Var(nios2_custom_fixdu) Init(-1)
Integer id (N) of fixdu custom instruction
mno-custom-fixdi
Target Report RejectNegative Var(nios2_custom_fixdi, -1)
Do not use the fixdi custom instruction
mcustom-fixdi=
Target Report RejectNegative Joined UInteger Var(nios2_custom_fixdi) Init(-1)
Integer id (N) of fixdi custom instruction
mno-custom-fixsu
Target Report RejectNegative Var(nios2_custom_fixsu, -1)
Do not use the fixsu custom instruction
mcustom-fixsu=
Target Report RejectNegative Joined UInteger Var(nios2_custom_fixsu) Init(-1)
Integer id (N) of fixsu custom instruction
mno-custom-fixsi
Target Report RejectNegative Var(nios2_custom_fixsi, -1)
Do not use the fixsi custom instruction
mcustom-fixsi=
Target Report RejectNegative Joined UInteger Var(nios2_custom_fixsi) Init(-1)
Integer id (N) of fixsi custom instruction
mno-custom-floatud
Target Report RejectNegative Var(nios2_custom_floatud, -1)
Do not use the floatud custom instruction
mcustom-floatud=
Target Report RejectNegative Joined UInteger Var(nios2_custom_floatud) Init(-1)
Integer id (N) of floatud custom instruction
mno-custom-floatid
Target Report RejectNegative Var(nios2_custom_floatid, -1)
Do not use the floatid custom instruction
mcustom-floatid=
Target Report RejectNegative Joined UInteger Var(nios2_custom_floatid) Init(-1)
Integer id (N) of floatid custom instruction
mno-custom-floatus
Target Report RejectNegative Var(nios2_custom_floatus, -1)
Do not use the floatus custom instruction
mcustom-floatus=
Target Report RejectNegative Joined UInteger Var(nios2_custom_floatus) Init(-1)
Integer id (N) of floatus custom instruction
mno-custom-floatis
Target Report RejectNegative Var(nios2_custom_floatis, -1)
Do not use the floatis custom instruction
mcustom-floatis=
Target Report RejectNegative Joined UInteger Var(nios2_custom_floatis) Init(-1)
Integer id (N) of floatis custom instruction
mno-custom-fcmpned
Target Report RejectNegative Var(nios2_custom_fcmpned, -1)
Do not use the fcmpned custom instruction
mcustom-fcmpned=
Target Report RejectNegative Joined UInteger Var(nios2_custom_fcmpned) Init(-1)
Integer id (N) of fcmpned custom instruction
mno-custom-fcmpeqd
Target Report RejectNegative Var(nios2_custom_fcmpeqd, -1)
Do not use the fcmpeqd custom instruction
mcustom-fcmpeqd=
Target Report RejectNegative Joined UInteger Var(nios2_custom_fcmpeqd) Init(-1)
Integer id (N) of fcmpeqd custom instruction
mno-custom-fcmpged
Target Report RejectNegative Var(nios2_custom_fcmpged, -1)
Do not use the fcmpged custom instruction
mcustom-fcmpged=
Target Report RejectNegative Joined UInteger Var(nios2_custom_fcmpged) Init(-1)
Integer id (N) of fcmpged custom instruction
mno-custom-fcmpgtd
Target Report RejectNegative Var(nios2_custom_fcmpgtd, -1)
Do not use the fcmpgtd custom instruction
mcustom-fcmpgtd=
Target Report RejectNegative Joined UInteger Var(nios2_custom_fcmpgtd) Init(-1)
Integer id (N) of fcmpgtd custom instruction
mno-custom-fcmpled
Target Report RejectNegative Var(nios2_custom_fcmpled, -1)
Do not use the fcmpled custom instruction
mcustom-fcmpled=
Target Report RejectNegative Joined UInteger Var(nios2_custom_fcmpled) Init(-1)
Integer id (N) of fcmpled custom instruction
mno-custom-fcmpltd
Target Report RejectNegative Var(nios2_custom_fcmpltd, -1)
Do not use the fcmpltd custom instruction
mcustom-fcmpltd=
Target Report RejectNegative Joined UInteger Var(nios2_custom_fcmpltd) Init(-1)
Integer id (N) of fcmpltd custom instruction
mno-custom-flogd
Target Report RejectNegative Var(nios2_custom_flogd, -1)
Do not use the flogd custom instruction
mcustom-flogd=
Target Report RejectNegative Joined UInteger Var(nios2_custom_flogd) Init(-1)
Integer id (N) of flogd custom instruction
mno-custom-fexpd
Target Report RejectNegative Var(nios2_custom_fexpd, -1)
Do not use the fexpd custom instruction
mcustom-fexpd=
Target Report RejectNegative Joined UInteger Var(nios2_custom_fexpd) Init(-1)
Integer id (N) of fexpd custom instruction
mno-custom-fatand
Target Report RejectNegative Var(nios2_custom_fatand, -1)
Do not use the fatand custom instruction
mcustom-fatand=
Target Report RejectNegative Joined UInteger Var(nios2_custom_fatand) Init(-1)
Integer id (N) of fatand custom instruction
mno-custom-ftand
Target Report RejectNegative Var(nios2_custom_ftand, -1)
Do not use the ftand custom instruction
mcustom-ftand=
Target Report RejectNegative Joined UInteger Var(nios2_custom_ftand) Init(-1)
Integer id (N) of ftand custom instruction
mno-custom-fsind
Target Report RejectNegative Var(nios2_custom_fsind, -1)
Do not use the fsind custom instruction
mcustom-fsind=
Target Report RejectNegative Joined UInteger Var(nios2_custom_fsind) Init(-1)
Integer id (N) of fsind custom instruction
mno-custom-fcosd
Target Report RejectNegative Var(nios2_custom_fcosd, -1)
Do not use the fcosd custom instruction
mcustom-fcosd=
Target Report RejectNegative Joined UInteger Var(nios2_custom_fcosd) Init(-1)
Integer id (N) of fcosd custom instruction
mno-custom-fsqrtd
Target Report RejectNegative Var(nios2_custom_fsqrtd, -1)
Do not use the fsqrtd custom instruction
mcustom-fsqrtd=
Target Report RejectNegative Joined UInteger Var(nios2_custom_fsqrtd) Init(-1)
Integer id (N) of fsqrtd custom instruction
mno-custom-fabsd
Target Report RejectNegative Var(nios2_custom_fabsd, -1)
Do not use the fabsd custom instruction
mcustom-fabsd=
Target Report RejectNegative Joined UInteger Var(nios2_custom_fabsd) Init(-1)
Integer id (N) of fabsd custom instruction
mno-custom-fnegd
Target Report RejectNegative Var(nios2_custom_fnegd, -1)
Do not use the fnegd custom instruction
mcustom-fnegd=
Target Report RejectNegative Joined UInteger Var(nios2_custom_fnegd) Init(-1)
Integer id (N) of fnegd custom instruction
mno-custom-fmaxd
Target Report RejectNegative Var(nios2_custom_fmaxd, -1)
Do not use the fmaxd custom instruction
mcustom-fmaxd=
Target Report RejectNegative Joined UInteger Var(nios2_custom_fmaxd) Init(-1)
Integer id (N) of fmaxd custom instruction
mno-custom-fmind
Target Report RejectNegative Var(nios2_custom_fmind, -1)
Do not use the fmind custom instruction
mcustom-fmind=
Target Report RejectNegative Joined UInteger Var(nios2_custom_fmind) Init(-1)
Integer id (N) of fmind custom instruction
mno-custom-fdivd
Target Report RejectNegative Var(nios2_custom_fdivd, -1)
Do not use the fdivd custom instruction
mcustom-fdivd=
Target Report RejectNegative Joined UInteger Var(nios2_custom_fdivd) Init(-1)
Integer id (N) of fdivd custom instruction
mno-custom-fmuld
Target Report RejectNegative Var(nios2_custom_fmuld, -1)
Do not use the fmuld custom instruction
mcustom-fmuld=
Target Report RejectNegative Joined UInteger Var(nios2_custom_fmuld) Init(-1)
Integer id (N) of fmuld custom instruction
mno-custom-fsubd
Target Report RejectNegative Var(nios2_custom_fsubd, -1)
Do not use the fsubd custom instruction
mcustom-fsubd=
Target Report RejectNegative Joined UInteger Var(nios2_custom_fsubd) Init(-1)
Integer id (N) of fsubd custom instruction
mno-custom-faddd
Target Report RejectNegative Var(nios2_custom_faddd, -1)
Do not use the faddd custom instruction
mcustom-faddd=
Target Report RejectNegative Joined UInteger Var(nios2_custom_faddd) Init(-1)
Integer id (N) of faddd custom instruction
mno-custom-fcmpnes
Target Report RejectNegative Var(nios2_custom_fcmpnes, -1)
Do not use the fcmpnes custom instruction
mcustom-fcmpnes=
Target Report RejectNegative Joined UInteger Var(nios2_custom_fcmpnes) Init(-1)
Integer id (N) of fcmpnes custom instruction
mno-custom-fcmpeqs
Target Report RejectNegative Var(nios2_custom_fcmpeqs, -1)
Do not use the fcmpeqs custom instruction
mcustom-fcmpeqs=
Target Report RejectNegative Joined UInteger Var(nios2_custom_fcmpeqs) Init(-1)
Integer id (N) of fcmpeqs custom instruction
mno-custom-fcmpges
Target Report RejectNegative Var(nios2_custom_fcmpges, -1)
Do not use the fcmpges custom instruction
mcustom-fcmpges=
Target Report RejectNegative Joined UInteger Var(nios2_custom_fcmpges) Init(-1)
Integer id (N) of fcmpges custom instruction
mno-custom-fcmpgts
Target Report RejectNegative Var(nios2_custom_fcmpgts, -1)
Do not use the fcmpgts custom instruction
mcustom-fcmpgts=
Target Report RejectNegative Joined UInteger Var(nios2_custom_fcmpgts) Init(-1)
Integer id (N) of fcmpgts custom instruction
mno-custom-fcmples
Target Report RejectNegative Var(nios2_custom_fcmples, -1)
Do not use the fcmples custom instruction
mcustom-fcmples=
Target Report RejectNegative Joined UInteger Var(nios2_custom_fcmples) Init(-1)
Integer id (N) of fcmples custom instruction
mno-custom-fcmplts
Target Report RejectNegative Var(nios2_custom_fcmplts, -1)
Do not use the fcmplts custom instruction
mcustom-fcmplts=
Target Report RejectNegative Joined UInteger Var(nios2_custom_fcmplts) Init(-1)
Integer id (N) of fcmplts custom instruction
mno-custom-flogs
Target Report RejectNegative Var(nios2_custom_flogs, -1)
Do not use the flogs custom instruction
mcustom-flogs=
Target Report RejectNegative Joined UInteger Var(nios2_custom_flogs) Init(-1)
Integer id (N) of flogs custom instruction
mno-custom-fexps
Target Report RejectNegative Var(nios2_custom_fexps, -1)
Do not use the fexps custom instruction
mcustom-fexps=
Target Report RejectNegative Joined UInteger Var(nios2_custom_fexps) Init(-1)
Integer id (N) of fexps custom instruction
mno-custom-fatans
Target Report RejectNegative Var(nios2_custom_fatans, -1)
Do not use the fatans custom instruction
mcustom-fatans=
Target Report RejectNegative Joined UInteger Var(nios2_custom_fatans) Init(-1)
Integer id (N) of fatans custom instruction
mno-custom-ftans
Target Report RejectNegative Var(nios2_custom_ftans, -1)
Do not use the ftans custom instruction
mcustom-ftans=
Target Report RejectNegative Joined UInteger Var(nios2_custom_ftans) Init(-1)
Integer id (N) of ftans custom instruction
mno-custom-fsins
Target Report RejectNegative Var(nios2_custom_fsins, -1)
Do not use the fsins custom instruction
mcustom-fsins=
Target Report RejectNegative Joined UInteger Var(nios2_custom_fsins) Init(-1)
Integer id (N) of fsins custom instruction
mno-custom-fcoss
Target Report RejectNegative Var(nios2_custom_fcoss, -1)
Do not use the fcoss custom instruction
mcustom-fcoss=
Target Report RejectNegative Joined UInteger Var(nios2_custom_fcoss) Init(-1)
Integer id (N) of fcoss custom instruction
mno-custom-fsqrts
Target Report RejectNegative Var(nios2_custom_fsqrts, -1)
Do not use the fsqrts custom instruction
mcustom-fsqrts=
Target Report RejectNegative Joined UInteger Var(nios2_custom_fsqrts) Init(-1)
Integer id (N) of fsqrts custom instruction
mno-custom-fabss
Target Report RejectNegative Var(nios2_custom_fabss, -1)
Do not use the fabss custom instr
mcustom-fabss=
Target Report RejectNegative Joined UInteger Var(nios2_custom_fabss) Init(-1)
Integer id (N) of fabss custom instruction
mno-custom-fnegs
Target Report RejectNegative Var(nios2_custom_fnegs, -1)
Do not use the fnegs custom instruction
mcustom-fnegs=
Target Report RejectNegative Joined UInteger Var(nios2_custom_fnegs) Init(-1)
Integer id (N) of fnegs custom instruction
mno-custom-fmaxs
Target Report RejectNegative Var(nios2_custom_fmaxs, -1)
Do not use the fmaxs custom instruction
mcustom-fmaxs=
Target Report RejectNegative Joined UInteger Var(nios2_custom_fmaxs) Init(-1)
Integer id (N) of fmaxs custom instruction
mno-custom-fmins
Target Report RejectNegative Var(nios2_custom_fmins, -1)
Do not use the fmins custom instruction
mcustom-fmins=
Target Report RejectNegative Joined UInteger Var(nios2_custom_fmins) Init(-1)
Integer id (N) of fmins custom instruction
mno-custom-fdivs
Target Report RejectNegative Var(nios2_custom_fdivs, -1)
Do not use the fdivs custom instruction
mcustom-fdivs=
Target Report RejectNegative Joined UInteger Var(nios2_custom_fdivs) Init(-1)
Integer id (N) of fdivs custom instruction
mno-custom-fmuls
Target Report RejectNegative Var(nios2_custom_fmuls, -1)
Do not use the fmuls custom instruction
mcustom-fmuls=
Target Report RejectNegative Joined UInteger Var(nios2_custom_fmuls) Init(-1)
Integer id (N) of fmuls custom instruction
mno-custom-fsubs
Target Report RejectNegative Var(nios2_custom_fsubs, -1)
Do not use the fsubs custom instruction
mcustom-fsubs=
Target Report RejectNegative Joined UInteger Var(nios2_custom_fsubs) Init(-1)
Integer id (N) of fsubs custom instruction
mno-custom-fadds
Target Report RejectNegative Var(nios2_custom_fadds, -1)
Do not use the fadds custom instruction
mcustom-fadds=
Target Report RejectNegative Joined UInteger Var(nios2_custom_fadds) Init(-1)
Integer id (N) of fadds custom instruction
mno-custom-frdy
Target Report RejectNegative Var(nios2_custom_frdy, -1)
Do not use the frdy custom instruction
mcustom-frdy=
Target Report RejectNegative Joined UInteger Var(nios2_custom_frdy) Init(-1)
Integer id (N) of frdy custom instruction
mno-custom-frdxhi
Target Report RejectNegative Var(nios2_custom_frdxhi, -1)
Do not use the frdxhi custom instruction
mcustom-frdxhi=
Target Report RejectNegative Joined UInteger Var(nios2_custom_frdxhi) Init(-1)
Integer id (N) of frdxhi custom instruction
mno-custom-frdxlo
Target Report RejectNegative Var(nios2_custom_frdxlo, -1)
Do not use the frdxlo custom instruction
mcustom-frdxlo=
Target Report RejectNegative Joined UInteger Var(nios2_custom_frdxlo) Init(-1)
Integer id (N) of frdxlo custom instruction
mno-custom-fwry
Target Report RejectNegative Var(nios2_custom_fwry, -1)
Do not use the fwry custom instruction
mcustom-fwry=
Target Report RejectNegative Joined UInteger Var(nios2_custom_fwry) Init(-1)
Integer id (N) of fwry custom instruction
mno-custom-fwrx
Target Report RejectNegative Var(nios2_custom_fwrx, -1)
Do not use the fwrx custom instruction
mcustom-fwrx=
Target Report RejectNegative Joined UInteger Var(nios2_custom_fwrx) Init(-1)
Integer id (N) of fwrx custom instruction