aix43.h 5.4 KB

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  1. /* Definitions of target machine for GNU compiler,
  2. for IBM RS/6000 POWER running AIX version 4.3.
  3. Copyright (C) 1998-2015 Free Software Foundation, Inc.
  4. Contributed by David Edelsohn (edelsohn@gnu.org).
  5. This file is part of GCC.
  6. GCC is free software; you can redistribute it and/or modify it
  7. under the terms of the GNU General Public License as published
  8. by the Free Software Foundation; either version 3, or (at your
  9. option) any later version.
  10. GCC is distributed in the hope that it will be useful, but WITHOUT
  11. ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  12. or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
  13. License for more details.
  14. You should have received a copy of the GNU General Public License
  15. along with GCC; see the file COPYING3. If not see
  16. <http://www.gnu.org/licenses/>. */
  17. /* The macro SUBTARGET_OVERRIDE_OPTIONS is provided for subtargets, to
  18. get control in TARGET_OPTION_OVERRIDE. */
  19. #define SUBTARGET_OVERRIDE_OPTIONS \
  20. do { \
  21. if (TARGET_64BIT && ! TARGET_POWERPC64) \
  22. { \
  23. rs6000_isa_flags |= OPTION_MASK_POWERPC64; \
  24. warning (0, "-maix64 requires PowerPC64 architecture remain enabled"); \
  25. } \
  26. if (TARGET_SOFT_FLOAT && TARGET_LONG_DOUBLE_128) \
  27. { \
  28. rs6000_long_double_type_size = 64; \
  29. if (global_options_set.x_rs6000_long_double_type_size) \
  30. warning (0, "soft-float and long-double-128 are incompatible"); \
  31. } \
  32. if (TARGET_POWERPC64 && ! TARGET_64BIT) \
  33. { \
  34. error ("-maix64 required: 64-bit computation with 32-bit addressing not yet supported"); \
  35. } \
  36. } while (0);
  37. #undef ASM_SPEC
  38. #define ASM_SPEC "-u %{maix64:-a64 %{!mcpu*:-mppc64}} %(asm_cpu)"
  39. /* Common ASM definitions used by ASM_SPEC amongst the various targets
  40. for handling -mcpu=xxx switches. */
  41. #undef ASM_CPU_SPEC
  42. #define ASM_CPU_SPEC \
  43. "%{!mcpu*: %{!maix64: \
  44. %{!mpowerpc64: %(asm_default)} \
  45. %{mpowerpc64: -mppc64}}} \
  46. %{mcpu=power3: -m620} \
  47. %{mcpu=power4: -m620} \
  48. %{mcpu=powerpc: -mppc} \
  49. %{mcpu=rs64a: -mppc} \
  50. %{mcpu=601: -m601} \
  51. %{mcpu=602: -mppc} \
  52. %{mcpu=603: -m603} \
  53. %{mcpu=603e: -m603} \
  54. %{mcpu=604: -m604} \
  55. %{mcpu=604e: -m604} \
  56. %{mcpu=620: -m620} \
  57. %{mcpu=630: -m620}"
  58. #undef ASM_DEFAULT_SPEC
  59. #define ASM_DEFAULT_SPEC "-mppc"
  60. #undef TARGET_OS_CPP_BUILTINS
  61. #define TARGET_OS_CPP_BUILTINS() \
  62. do \
  63. { \
  64. builtin_define ("_AIX43"); \
  65. TARGET_OS_AIX_CPP_BUILTINS (); \
  66. } \
  67. while (0)
  68. #undef CPP_SPEC
  69. #define CPP_SPEC "%{posix: -D_POSIX_SOURCE}\
  70. %{ansi: -D_ANSI_C_SOURCE}\
  71. %{maix64: -D__64BIT__}\
  72. %{mpe: -I%R/usr/lpp/ppe.poe/include}\
  73. %{pthread: -D_THREAD_SAFE}"
  74. /* The GNU C++ standard library requires that these macros be
  75. defined. */
  76. #undef CPLUSPLUS_CPP_SPEC
  77. #define CPLUSPLUS_CPP_SPEC \
  78. "-D_ALL_SOURCE \
  79. %{maix64: -D__64BIT__} \
  80. %{mpe: -I%R/usr/lpp/ppe.poe/include} \
  81. %{pthread: -D_THREAD_SAFE}"
  82. #undef TARGET_DEFAULT
  83. #define TARGET_DEFAULT 0
  84. #undef PROCESSOR_DEFAULT
  85. #define PROCESSOR_DEFAULT PROCESSOR_PPC604e
  86. /* AIX does not support Altivec. */
  87. #undef TARGET_ALTIVEC
  88. #define TARGET_ALTIVEC 0
  89. #undef TARGET_ALTIVEC_ABI
  90. #define TARGET_ALTIVEC_ABI 0
  91. /* Define this macro as a C expression for the initializer of an
  92. array of string to tell the driver program which options are
  93. defaults for this target and thus do not need to be handled
  94. specially when using `MULTILIB_OPTIONS'.
  95. Do not define this macro if `MULTILIB_OPTIONS' is not defined in
  96. the target makefile fragment or if none of the options listed in
  97. `MULTILIB_OPTIONS' are set by default. *Note Target Fragment::. */
  98. #undef MULTILIB_DEFAULTS
  99. #define MULTILIB_DEFAULTS { "mcpu=common" }
  100. #undef LIB_SPEC
  101. #define LIB_SPEC "%{pg:-L%R/lib/profiled -L%R/usr/lib/profiled}\
  102. %{p:-L%R/lib/profiled -L%R/usr/lib/profiled}\
  103. %{!maix64:%{!shared:%{g*:-lg}}}\
  104. %{mpe:-L%R/usr/lpp/ppe.poe/lib -lmpi -lvtd}\
  105. %{pthread:-L%R/usr/lib/threads -lpthreads -lc_r %R/usr/lib/libc.a}\
  106. %{!pthread:-lc}"
  107. #undef LINK_SPEC
  108. #define LINK_SPEC "-bpT:0x10000000 -bpD:0x20000000 %{!r:-btextro} -bnodelcsect\
  109. %{static:-bnso %(link_syscalls) } %{shared:-bM:SRE %{!e:-bnoentry}}\
  110. %{!maix64:%{!shared:%{g*: %(link_libg) }}} %{maix64:-b64}\
  111. %{mpe:-binitfini:poe_remote_main}"
  112. #undef STARTFILE_SPEC
  113. #define STARTFILE_SPEC "%{!shared:\
  114. %{maix64:%{pg:gcrt0_64%O%s}%{!pg:%{p:mcrt0_64%O%s}%{!p:crt0_64%O%s}}}\
  115. %{!maix64:\
  116. %{pthread:%{pg:gcrt0_r%O%s}%{!pg:%{p:mcrt0_r%O%s}%{!p:crt0_r%O%s}}}\
  117. %{!pthread:%{pg:gcrt0%O%s}%{!pg:%{p:mcrt0%O%s}%{!p:crt0%O%s}}}}}"
  118. /* AIX 4.3 typedefs ptrdiff_t as "long" while earlier releases used "int". */
  119. #undef PTRDIFF_TYPE
  120. #define PTRDIFF_TYPE "long int"
  121. /* AIX 4.2 and above provides initialization and finalization function
  122. support from linker command line. */
  123. #undef HAS_INIT_SECTION
  124. #define HAS_INIT_SECTION
  125. #undef LD_INIT_SWITCH
  126. #define LD_INIT_SWITCH "-binitfini"
  127. /* The IBM AIX 4.x assembler doesn't support forward references in
  128. .set directives. We handle this by deferring the output of .set
  129. directives to the end of the compilation unit. */
  130. #define TARGET_DEFERRED_OUTPUT_DEFS(DECL,TARGET) true
  131. /* This target uses the aix64.opt file. */
  132. #define TARGET_USES_AIX64_OPT 1
  133. #define TARGET_AIX_VERSION 43
  134. #undef TARGET_LIBC_HAS_FUNCTION
  135. #define TARGET_LIBC_HAS_FUNCTION no_c99_libc_has_function