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minwin-gcc-5-2
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libgcc
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config
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msp430
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srai.S

srai.S 1.9 KB
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  1. ;   Copyright (C) 2012-2015 Free Software Foundation, Inc.
    2. 

  2. ;   Contributed by Red Hat.
    3. 

  3. ; 
    4. 

  4. ; This file is free software; you can redistribute it and/or modify it
    5. 

  5. ; under the terms of the GNU General Public License as published by the
    6. 

  6. ; Free Software Foundation; either version 3, or (at your option) any
    7. 

  7. ; later version.
    8. 

  8. ; 
    9. 

  9. ; This file is distributed in the hope that it will be useful, but
    10. 

  10. ; WITHOUT ANY WARRANTY; without even the implied warranty of
    11. 

  11. ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    12. 

  12. ; General Public License for more details.
    13. 

  13. ; 
    14. 

  14. ; Under Section 7 of GPL version 3, you are granted additional
    15. 

  15. ; permissions described in the GCC Runtime Library Exception, version
    16. 

  16. ; 3.1, as published by the Free Software Foundation.
    17. 

  17. ;
    18. 

  18. ; You should have received a copy of the GNU General Public License and
    19. 

  19. ; a copy of the GCC Runtime Library Exception along with this program;
    20. 

  20. ; see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
    21. 

  21. ; <http://www.gnu.org/licenses/>.
    22. 

  22. 	
    23. 

  23. 	.text
    24. 

  24. 

  25. 	.macro	_srai n
    26. 

  26. 	.global __mspabi_srai_\n
    27. 

  27. __mspabi_srai_\n:
    28. 

  28. 	RRA.W	R12
    29. 

  29. 	.endm
    30. 

  30. 

  31. /* Logical Right Shift - R12 -> R12 */
    32. 

  32. 	_srai	15
    33. 

  33. 	_srai	14
    34. 

  34. 	_srai	13
    35. 

  35. 	_srai	12
    36. 

  36. 	_srai	11
    37. 

  37. 	_srai	10
    38. 

  38. 	_srai	9
    39. 

  39. 	_srai	8
    40. 

  40. 	_srai	7
    41. 

  41. 	_srai	6
    42. 

  42. 	_srai	5
    43. 

  43. 	_srai	4
    44. 

  44. 	_srai	3
    45. 

  45. 	_srai	2
    46. 

  46. 	_srai	1
    47. 

  47. #ifdef __MSP430X_LARGE__
    48. 

  48. 	RETA
    49. 

  49. #else
    50. 

  50. 	RET
    51. 

  51. #endif
    52. 

  52. 

  53. 1:	ADD.W	#-1,R13
    54. 

  54. 	RRA.W	R12,R12
    55. 

  55. 	.global	__mspabi_srai
    56. 

  56. __mspabi_srai:
    57. 

  57. 	CMP	#0,R13
    58. 

  58. 	JNZ	1b
    59. 

  59. #ifdef __MSP430X_LARGE__
    60. 

  60. 	RETA
    61. 

  61. #else
    62. 

  62. 	RET
    63. 

  63. #endif
    64. 

  64. 

  65. /* Logical Right Shift - R12:R13 -> R12:R13 */
    66. 

  66. 

  67. 	.macro	_sral	n
    68. 

  68. 	.global	__mspabi_sral_\n
    69. 

  69. __mspabi_sral_\n:
    70. 

  70. 	RRA.W	R13
    71. 

  71. 	RRC.W	R12
    72. 

  72. 	.endm
    73. 

  73. 

  74. 	_sral	15
    75. 

  75. 	_sral	14
    76. 

  76. 	_sral	13
    77. 

  77. 	_sral	12
    78. 

  78. 	_sral	11
    79. 

  79. 	_sral	10
    80. 

  80. 	_sral	9
    81. 

  81. 	_sral	8
    82. 

  82. 	_sral	7
    83. 

  83. 	_sral	6
    84. 

  84. 	_sral	5
    85. 

  85. 	_sral	4
    86. 

  86. 	_sral	3
    87. 

  87. 	_sral	2
    88. 

  88. 	_sral	1
    89. 

  89. #ifdef __MSP430X_LARGE__
    90. 

  90. 	RETA
    91. 

  91. #else
    92. 

  92. 	RET
    93. 

  93. #endif
    94. 

  94. 

  95. 1:	ADD.W	#-1,R14
    96. 

  96. 	RRA.W	R13
    97. 

  97. 	RRC.W	R12
    98. 

  98. 	.global	__mspabi_sral
    99. 

  99. __mspabi_sral:
    100. 

  100. 	CMP	#0,R14
    101. 

  101. 	JNZ	1b
    102. 

  102. #ifdef __MSP430X_LARGE__
    103. 

  103. 	RETA
    104. 

  104. #else
    105. 

  105. 	RET
    106. 

  106. #endif
    107. 

  107.