microblaze.opt 3.1 KB

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  1. ; Options for the MicroBlaze port of the compiler
  2. ;
  3. ; Copyright (C) 2009-2015 Free Software Foundation, Inc.
  4. ;
  5. ; Contributed by Michael Eager <eager@eagercon.com>.
  6. ;
  7. ; This file is part of GCC.
  8. ;
  9. ; GCC is free software; you can redistribute it and/or modify it under
  10. ; the terms of the GNU General Public License as published by the Free
  11. ; Software Foundation; either version 3, or (at your option) any later
  12. ; version.
  13. ;
  14. ; GCC is distributed in the hope that it will be useful, but WITHOUT
  15. ; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  16. ; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
  17. ; License for more details.
  18. ;
  19. ; You should have received a copy of the GNU General Public License
  20. ; along with GCC; see the file COPYING3. If not see
  21. ; <http://www.gnu.org/licenses/>. */
  22. Zxl-mode-bootstrap
  23. Driver
  24. Zxl-mode-executable
  25. Driver
  26. Zxl-mode-novectors
  27. Driver
  28. Zxl-mode-xilkernel
  29. Driver
  30. Zxl-mode-xmdstub
  31. Driver
  32. msoft-float
  33. Target Report RejectNegative Mask(SOFT_FLOAT)
  34. Use software emulation for floating point (default)
  35. mhard-float
  36. Target Report RejectNegative InverseMask(SOFT_FLOAT, HARD_FLOAT)
  37. Use hardware floating point instructions
  38. msmall-divides
  39. Target Mask(SMALL_DIVIDES)
  40. Use table lookup optimization for small signed integer divisions
  41. mcpu=
  42. Target RejectNegative Joined Var(microblaze_select_cpu)
  43. -mcpu=PROCESSOR Use features of and schedule code for given CPU
  44. mmemcpy
  45. Target Mask(MEMCPY)
  46. Don't optimize block moves, use memcpy
  47. mbig-endian
  48. Target Report RejectNegative InverseMask(LITTLE_ENDIAN)
  49. Assume target CPU is configured as big endian
  50. mlittle-endian
  51. Target Report RejectNegative Mask(LITTLE_ENDIAN)
  52. Assume target CPU is configured as little endian
  53. mxl-soft-mul
  54. Target Mask(SOFT_MUL)
  55. Use the soft multiply emulation (default)
  56. mxl-reorder
  57. Target Var(TARGET_REORDER) Init(2)
  58. Use reorder instructions (swap and byte reversed load/store) (default)
  59. mxl-soft-div
  60. Target Mask(SOFT_DIV)
  61. Use the software emulation for divides (default)
  62. mxl-barrel-shift
  63. Target Mask(BARREL_SHIFT)
  64. Use the hardware barrel shifter instead of emulation
  65. mxl-pattern-compare
  66. Target Mask(PATTERN_COMPARE)
  67. Use pattern compare instructions
  68. mxl-stack-check
  69. Target Mask(STACK_CHECK) Warn(%qs is deprecated; use -fstack-check)
  70. Check for stack overflow at runtime
  71. mxl-gp-opt
  72. Target Mask(XLGPOPT)
  73. Use GP relative sdata/sbss sections
  74. mno-clearbss
  75. Target RejectNegative Var(flag_zero_initialized_in_bss, 0) Warn(%qs is deprecated; use -fno-zero-initialized-in-bss)
  76. Clear the BSS to zero and place zero initialized in BSS
  77. mxl-multiply-high
  78. Target Mask(MULTIPLY_HIGH)
  79. Use multiply high instructions for high part of 32x32 multiply
  80. mxl-float-convert
  81. Target Mask(FLOAT_CONVERT)
  82. Use hardware floating point conversion instructions
  83. mxl-float-sqrt
  84. Target Mask(FLOAT_SQRT)
  85. Use hardware floating point square root instruction
  86. mxl-mode-executable
  87. Target Mask(XL_MODE_EXECUTABLE)
  88. Description for mxl-mode-executable
  89. mxl-mode-xmdstub
  90. Target Mask(XL_MODE_XMDSTUB)
  91. Description for mxl-mode-xmdstub
  92. mxl-mode-bootstrap
  93. Target Mask(XL_MODE_BOOTSTRAP)
  94. Description for mxl-mode-bootstrap
  95. mxl-mode-novectors
  96. Target Mask(XL_MODE_NOVECTORS)
  97. Description for mxl-mode-novectors
  98. mxl-mode-xilkernel
  99. Target