annotate gcc/config/microblaze/microblaze.opt @ 68:561a7518be6b

update gcc-4.6
author Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
date Sun, 21 Aug 2011 07:07:55 +0900
parents
children 04ced10e8804
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rev   line source
68
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
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1 ; Options for the MicroBlaze port of the compiler
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
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2 ;
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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3 ; Copyright 2009, 2010, 2011 Free Software Foundation, Inc.
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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4 ;
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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5 ; Contributed by Michael Eager <eager@eagercon.com>.
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
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6 ;
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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7 ; This file is part of GCC.
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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8 ;
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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9 ; GCC is free software; you can redistribute it and/or modify it under
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
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10 ; the terms of the GNU General Public License as published by the Free
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
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11 ; Software Foundation; either version 3, or (at your option) any later
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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12 ; version.
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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13 ;
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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14 ; GCC is distributed in the hope that it will be useful, but WITHOUT
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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15 ; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
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16 ; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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17 ; License for more details.
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
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18 ;
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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19 ; You should have received a copy of the GNU General Public License
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
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20 ; along with GCC; see the file COPYING3. If not see
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
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21 ; <http://www.gnu.org/licenses/>. */
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22
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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23 Zxl-mode-bootstrap
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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24 Driver
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25
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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26 Zxl-mode-executable
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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27 Driver
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28
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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29 Zxl-mode-novectors
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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30 Driver
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31
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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32 Zxl-mode-xilkernel
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33 Driver
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34
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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35 Zxl-mode-xmdstub
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36 Driver
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37
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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38 msoft-float
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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39 Target Report RejectNegative Mask(SOFT_FLOAT)
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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40 Use software emulation for floating point (default)
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41
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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42 mhard-float
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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43 Target Report RejectNegative InverseMask(SOFT_FLOAT, HARD_FLOAT)
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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44 Use hardware floating point instructions
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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45
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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46 msmall-divides
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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47 Target Mask(SMALL_DIVIDES)
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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48 Use table lookup optimization for small signed integer divisions
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49
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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50 mcpu=
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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51 Target RejectNegative Joined Var(microblaze_select_cpu)
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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52 -mcpu=PROCESSOR Use features of and schedule code for given CPU
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53
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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54 mmemcpy
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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55 Target Mask(MEMCPY)
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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56 Don't optimize block moves, use memcpy
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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57
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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58 mxl-soft-mul
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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59 Target Mask(SOFT_MUL)
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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60 Use the soft multiply emulation (default)
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61
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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62 mxl-soft-div
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63 Target Mask(SOFT_DIV)
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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64 Use the software emulation for divides (default)
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65
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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66 mxl-barrel-shift
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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67 Target Mask(BARREL_SHIFT)
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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68 Use the hardware barrel shifter instead of emulation
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69
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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70 mxl-pattern-compare
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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71 Target Mask(PATTERN_COMPARE)
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72 Use pattern compare instructions
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73
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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74 mxl-stack-check
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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75 Target Mask(STACK_CHECK)
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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76 Check for stack overflow at runtime
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77
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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78 mxl-gp-opt
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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79 Target Mask(XLGPOPT)
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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80 Use GP relative sdata/sbss sections
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81
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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82 mno-clearbss
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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83 Target RejectNegative
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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84 Clear the BSS to zero and place zero initialized in BSS
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85
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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86 mxl-multiply-high
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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87 Target Mask(MULTIPLY_HIGH)
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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88 Use multiply high instructions for high part of 32x32 multiply
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89
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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90 mxl-float-convert
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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91 Target Mask(FLOAT_CONVERT)
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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92 Use hardware floating point conversion instructions
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93
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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94 mxl-float-sqrt
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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95 Target Mask(FLOAT_SQRT)
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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96 Use hardware floating point square root instruction
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97
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98 mxl-mode-executable
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99 Target Mask(XL_MODE_EXECUTABLE)
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100 Description for mxl-mode-executable
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101
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102 mxl-mode-xmdstub
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103 Target Mask(XL_MODE_XMDSTUB)
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104 Description for mxl-mode-xmdstub
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105
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106 mxl-mode-bootstrap
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107 Target Mask(XL_MODE_BOOTSTRAP)
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108 Description for mxl-mode-bootstrap
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109
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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110 mxl-mode-novectors
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111 Target Mask(XL_MODE_NOVECTORS)
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112 Description for mxl-mode-novectors
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113
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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114 mxl-mode-xilkernel
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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115 Target