m32r.opt

来自「linux下编程用 编译软件」· OPT 代码 · 共 84 行

; Options for the Renesas M32R port of the compiler.

; Copyright (C) 2005 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 2, 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 COPYING.  If not, write to the Free
; Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
; 02110-1301, USA.

m32rx
Target Report RejectNegative Mask(M32RX)
Compile for the m32rx

m32r2
Target Report RejectNegative Mask(M32R2)
Compile for the m32r2

m32r
Target RejectNegative
Compile for the m32r

malign-loops
Target Report Mask(ALIGN_LOOPS)
Align all loops to 32 byte boundary

mbranch-cost=1
Target Report RejectNegative Mask(BRANCH_COST)
Prefer branches over conditional execution

mbranch-cost=2
Target Report RejectNegative InverseMask(BRANCH_COST)
Give branches their default cost

mdebug
Target Mask(DEBUG)
Display compile time statistics

mflush-func=
Target RejectNegative Joined Var(m32r_cache_flush_func) Init(CACHE_FLUSH_FUNC)
Specify cache flush function

mflush-trap=
Target RejectNegative Joined UInteger Var(m32r_cache_flush_trap) Init(CACHE_FLUSH_TRAP)
Specify cache flush trap number

missue-rate=1
Target Report RejectNegative Mask(LOW_ISSUE_RATE)
Only issue one instruction per cycle

missue-rate=2
Target Report RejectNegative InverseMask(LOW_ISSUE_RATE)
Allow two instructions to be issued per cycle

mmodel=
Target RejectNegative Joined
Code size: small, medium or large

mno-flush-func
Target RejectNegative
Don't call any cache flush functions

mno-flush-trap
Target RejectNegative
Don't call any cache flush trap

; mrelax
; Target Mask(RELAX)

msdata=
Target RejectNegative Joined
Small data area: none, sdata, use