gcc:
Merge from FSF "apple/trunk" branch.
* config/rs6000/darwin.opt (mdynamic-no-pic): move from here ...
* config/darwin.opt: .. to here.
(matt-stubs): New option.
* config/i386/darwin.opt: Delete.
* config/i386/i386.h (MACHOPIC_ATT_STUB): New.
(MACHO_DYNAMIC_NO_PIC_P): New.
(MACHOPIC_INDIRECT): New.
(MACHOPIC_PURE): New.
* config/i386/darwin.h (DARWIN_X86) Define to 1.
(MACHOPIC_ATT_STUB): New.
(CC1_SPEC): Do not remove mdynamic-no-pic.
Move HOT_TEXT_SECTION_NAME: move to config/darwin.h
UNLIKELY_EXECUTED_TEXT_SECTION_NAME: Likewise.
(FUNCTION_PROFILER): Correct over-length line.
(SUBTARGET_OVERRIDE_OPTIONS): New.
(MACHOPIC_NL_SYMBOL_PTR_SECTION): New.
* config/i386/i386.c (config/i386/i386.c): Darwin has no PLT.
(legitimate_constant_p): Handle mdynamic-no-pic.
(ix86_legitimate_address_p): Likewise.
(ix86_legitimize_address): Likewise.
(ix86_expand_move): Likewise.
(machopic_output_stub): Update for ATT-style stubs and
mdynamic-no-pic.
* config/darwin-protos.h (machopic_symbol_defined_p): New.
* config/rs6000/darwin.h (DARWIN_PPC): Define to 1.
TARGET_DYNAMIC_NO_PIC: Remove.
Move HOT_TEXT_SECTION_NAME: move to config/darwin.h
UNLIKELY_EXECUTED_TEXT_SECTION_NAME: Likewise.
* config/rs6000/rs6000.c (darwin_rs6000_override_options):
Remove handling of mdynamic-no-pic.
* config/darwin.c (HAVE_lo_sum, gen_macho_high, gen_macho_low):
Define if required.
(machopic_symbol_defined_p): Do not try to use current_function_decl
when generating _get_pc thunks within stubs.
(machopic_indirect_data_reference): Rework for direct conditionals
rather than #ifdefs, add x86 mdynamic-no-pic
(machopic_legitimize_pic_address): Update to use HAVE_lo_sum with a
defined value.
(darwin_override_options): Handle mdynamic-no-pic here.
* config/darwin-sections.def (machopic_lazy_symbol_ptr2_section): New.
(machopic_lazy_symbol_ptr3_section): New.
(machopic_picsymbol_stub2_section): New.
(machopic_picsymbol_stub3_section): New.
* config/darwin.h (DARWIN_X86, DARWIN_PPC): Define to 0.
(MACHOPIC_NL_SYMBOL_PTR_SECTION): New.
(HOT_TEXT_SECTION_NAME, UNLIKELY_EXECUTED_TEXT_SECTION_NAME):
Moved common definition from x86 and rs6000.
(MACHO_DYNAMIC_NO_PIC_P): Override value.
(MACHOPIC_INDIRECT): Likewise.
(MACHOPIC_PURE): Likewise.
* config.gcc (x86-darwin-*): Remove darwin.opt.
From-SVN: r166184
