Subversion Repositories openrisc_2011-10-31

; Options for the S/390 / zSeries port of the compiler.

; Copyright (C) 2005, 2006, 2007 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

; .

m31

Target Report RejectNegative Negative(m64) InverseMask(64BIT)

31 bit ABI

m64

Target Report RejectNegative Negative(m31) Mask(64BIT)

64 bit ABI

march=

Target RejectNegative Joined Var(s390_arch_string)

Generate code for given CPU

mbackchain

Target Report Mask(BACKCHAIN)

Maintain backchain pointer

mdebug

Target Report Mask(DEBUG_ARG)

Additional debug prints

mesa

Target Report RejectNegative Negative(mzarch) InverseMask(ZARCH)

ESA/390 architecture

mfused-madd

Target Report Mask(FUSED_MADD)

Enable fused multiply/add instructions

mhard-dfp

Target Report Mask(HARD_DFP)

Enable decimal floating point hardware support

mhard-float

Target Report RejectNegative Negative(msoft-float) InverseMask(SOFT_FLOAT, HARD_FLOAT)

Enable hardware floating point

mlong-double-128

Target Report RejectNegative Negative(mlong-double-64) Mask(LONG_DOUBLE_128)

Use 128-bit long double

mlong-double-64

Target Report RejectNegative Negative(mlong-double-128) InverseMask(LONG_DOUBLE_128)

Use 64-bit long double

mpacked-stack

Target Report Mask(PACKED_STACK)

Use packed stack layout

msmall-exec

Target Report Mask(SMALL_EXEC)

Use bras for executable < 64k

msoft-float

Target Report RejectNegative Negative(mhard-float) Mask(SOFT_FLOAT)

Disable hardware floating point

mstack-guard=

Target RejectNegative Joined

Set the max. number of bytes which has to be left to stack size before a trap instruction is triggered

mstack-size=

Target RejectNegative Joined

Emit extra code in the function prologue in order to trap if the stack size exceeds the given limit

mtune=

Target RejectNegative Joined

Schedule code for given CPU

mmvcle

Target Report Mask(MVCLE)

mvcle use

mwarn-dynamicstack

Target RejectNegative Var(s390_warn_dynamicstack_p)

Warn if a function uses alloca or creates an array with dynamic size

mwarn-framesize=

Target RejectNegative Joined

Warn if a single function's framesize exceeds the given framesize

mzarch

Target Report RejectNegative Negative(mesa) Mask(ZARCH)

z/Architecture