98 lines
2.5 KiB
Plaintext
98 lines
2.5 KiB
Plaintext
; Options for the MicroBlaze port of the compiler
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;
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; Copyright 2009, 2010 Free Software Foundation, Inc.
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;
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; Contributed by Michael Eager <eager@eagercon.com>.
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;
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; This file is part of GCC.
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;
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; GCC is free software; you can redistribute it and/or modify it under
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; the terms of the GNU General Public License as published by the Free
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; Software Foundation; either version 3, or (at your option) any later
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; version.
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;
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; GCC is distributed in the hope that it will be useful, but WITHOUT
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; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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; License for more details.
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;
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; You should have received a copy of the GNU General Public License
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; along with GCC; see the file COPYING3. If not see
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; <http://www.gnu.org/licenses/>. */
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msoft-float
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Target Report RejectNegative Mask(SOFT_FLOAT)
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Use software emulation for floating point (default)
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mhard-float
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Target Report RejectNegative InverseMask(SOFT_FLOAT, HARD_FLOAT)
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Use hardware floating point instructions
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msmall-divides
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Target Mask(SMALL_DIVIDES)
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Use table lookup optimization for small signed integer divisions
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mcpu=
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Target RejectNegative Joined Var(microblaze_select_cpu)
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-mcpu=PROCESSOR Use features of and schedule code for given CPU
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mmemcpy
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Target Mask(MEMCPY)
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Don't optimize block moves, use memcpy
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mxl-soft-mul
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Target Mask(SOFT_MUL)
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Use the soft multiply emulation (default)
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mxl-soft-div
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Target Mask(SOFT_DIV)
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Use the software emulation for divides (default)
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mxl-barrel-shift
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Target Mask(BARREL_SHIFT)
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Use the hardware barrel shifter instead of emulation
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mxl-pattern-compare
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Target Mask(PATTERN_COMPARE)
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Use pattern compare instructions
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mxl-stack-check
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Target Mask(STACK_CHECK)
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Check for stack overflow at runtime
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mxl-gp-opt
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Target Mask(XLGPOPT)
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Use GP relative sdata/sbss sections
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mno-clearbss
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Target RejectNegative
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Clear the BSS to zero and place zero initialized in BSS
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mxl-multiply-high
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Target Mask(MULTIPLY_HIGH)
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Use multiply high instructions for high part of 32x32 multiply
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mxl-float-convert
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Target Mask(FLOAT_CONVERT)
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Use hardware floating point converstion instructions
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mxl-float-sqrt
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Target Mask(FLOAT_SQRT)
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Use hardware floating point square root instruction
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mxl-mode-executable
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Target Mask(XL_MODE_EXECUTABLE)
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Description for mxl-mode-executable
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mxl-mode-xmdstub
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Target Mask(XL_MODE_XMDSTUB)
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Description for mxl-mode-xmdstub
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mxl-mode-bootstrap
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Target Mask(XL_MODE_BOOTSTRAP)
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Description for mxl-mode-bootstrap
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mxl-mode-novectors
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Target Mask(XL_MODE_NOVECTORS)
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Description for mxl-mode-novectors
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