; Options for the S/390 / zSeries port of the compiler. ; Copyright (C) 2005, 2006 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. m31 Target Report RejectNegative InverseMask(64BIT) 31 bit ABI m64 Target Report RejectNegative 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 InverseMask(ZARCH) ESA/390 architecture mfused-madd Target Report Mask(FUSED_MADD) Enable fused multiply/add instructions mhard-float Target Report RejectNegative Mask(HARD_FLOAT) Use hardware fp mlong-double-128 Target Report RejectNegative Mask(LONG_DOUBLE_128) Use 128-bit long double mlong-double-64 Target Report RejectNegative 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 InverseMask(HARD_FLOAT, SOFT_FLOAT) Don't use hardware fp 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 Mask(ZARCH) z/Architecture