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  1. /* Definitions for option handling for IA-32.
  2.    Copyright (C) 1988-2015 Free Software Foundation, Inc.
  3.  
  4. This file is part of GCC.
  5.  
  6. GCC is free software; you can redistribute it and/or modify
  7. it under the terms of the GNU General Public License as published by
  8. the Free Software Foundation; either version 3, or (at your option)
  9. any later version.
  10.  
  11. GCC is distributed in the hope that it will be useful,
  12. but WITHOUT ANY WARRANTY; without even the implied warranty of
  13. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14. GNU General Public License for more details.
  15.  
  16. Under Section 7 of GPL version 3, you are granted additional
  17. permissions described in the GCC Runtime Library Exception, version
  18. 3.1, as published by the Free Software Foundation.
  19.  
  20. You should have received a copy of the GNU General Public License and
  21. a copy of the GCC Runtime Library Exception along with this program;
  22. see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
  23. <http://www.gnu.org/licenses/>.  */
  24.  
  25. #ifndef I386_OPTS_H
  26. #define I386_OPTS_H
  27.  
  28. /* Algorithm to expand string function with.  */
  29. enum stringop_alg
  30. {
  31. #undef DEF_ENUM
  32. #define DEF_ENUM
  33.  
  34. #undef DEF_ALG
  35. #define DEF_ALG(alg, name) alg,
  36.  
  37. #include "stringop.def"
  38. last_alg
  39.  
  40. #undef DEF_ENUM
  41. #undef DEF_ALG
  42. };
  43.  
  44. /* Available call abi.  */
  45. enum calling_abi
  46. {
  47.   SYSV_ABI = 0,
  48.   MS_ABI = 1
  49. };
  50.  
  51. enum fpmath_unit
  52. {
  53.   FPMATH_387 = 1,
  54.   FPMATH_SSE = 2
  55. };
  56.  
  57. enum tls_dialect
  58. {
  59.   TLS_DIALECT_GNU,
  60.   TLS_DIALECT_GNU2,
  61.   TLS_DIALECT_SUN
  62. };
  63.  
  64. enum cmodel {
  65.   CM_32,        /* The traditional 32-bit ABI.  */
  66.   CM_SMALL,     /* Assumes all code and data fits in the low 31 bits.  */
  67.   CM_KERNEL,    /* Assumes all code and data fits in the high 31 bits.  */
  68.   CM_MEDIUM,    /* Assumes code fits in the low 31 bits; data unlimited.  */
  69.   CM_LARGE,     /* No assumptions.  */
  70.   CM_SMALL_PIC, /* Assumes code+data+got/plt fits in a 31 bit region.  */
  71.   CM_MEDIUM_PIC,/* Assumes code+got/plt fits in a 31 bit region.  */
  72.   CM_LARGE_PIC  /* No assumptions.  */
  73. };
  74.  
  75. enum pmode {
  76.   PMODE_SI,     /* Pmode == SImode. */
  77.   PMODE_DI      /* Pmode == DImode. */
  78. };
  79.  
  80. enum ix86_align_data {
  81.   ix86_align_data_type_compat,
  82.   ix86_align_data_type_abi,
  83.   ix86_align_data_type_cacheline
  84. };
  85.  
  86. enum asm_dialect {
  87.   ASM_ATT,
  88.   ASM_INTEL
  89. };
  90.  
  91. enum ix86_veclibabi {
  92.   ix86_veclibabi_type_none,
  93.   ix86_veclibabi_type_svml,
  94.   ix86_veclibabi_type_acml
  95. };
  96.  
  97. enum stack_protector_guard {
  98.   SSP_TLS,      /* per-thread canary in TLS block */
  99.   SSP_GLOBAL    /* global canary */
  100. };
  101.  
  102. #endif
  103.