diff options
Diffstat (limited to 'gcc/config/i386/i386.c')
| -rw-r--r-- | gcc/config/i386/i386.c | 71 |
1 files changed, 50 insertions, 21 deletions
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index 5dab4f04abc..8475883823b 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -3768,24 +3768,19 @@ ix86_option_override_internal (bool main_args_p) ix86_gen_leave = gen_leave_rex64; if (Pmode == DImode) { - ix86_gen_monitor = gen_sse3_monitor64_di; ix86_gen_tls_global_dynamic_64 = gen_tls_global_dynamic_64_di; ix86_gen_tls_local_dynamic_base_64 = gen_tls_local_dynamic_base_64_di; } else { - ix86_gen_monitor = gen_sse3_monitor64_si; ix86_gen_tls_global_dynamic_64 = gen_tls_global_dynamic_64_si; ix86_gen_tls_local_dynamic_base_64 = gen_tls_local_dynamic_base_64_si; } } else - { - ix86_gen_leave = gen_leave; - ix86_gen_monitor = gen_sse3_monitor; - } + ix86_gen_leave = gen_leave; if (Pmode == DImode) { @@ -3797,6 +3792,7 @@ ix86_option_override_internal (bool main_args_p) ix86_gen_allocate_stack_worker = gen_allocate_stack_worker_probe_di; ix86_gen_adjust_stack_and_probe = gen_adjust_stack_and_probedi; ix86_gen_probe_stack_range = gen_probe_stack_rangedi; + ix86_gen_monitor = gen_sse3_monitor_di; } else { @@ -3808,6 +3804,7 @@ ix86_option_override_internal (bool main_args_p) ix86_gen_allocate_stack_worker = gen_allocate_stack_worker_probe_si; ix86_gen_adjust_stack_and_probe = gen_adjust_stack_and_probesi; ix86_gen_probe_stack_range = gen_probe_stack_rangesi; + ix86_gen_monitor = gen_sse3_monitor_si; } #ifdef USE_IX86_CLD @@ -4691,6 +4688,28 @@ x86_64_elf_select_section (tree decl, int reloc, return default_elf_select_section (decl, reloc, align); } +/* Select a set of attributes for section NAME based on the properties + of DECL and whether or not RELOC indicates that DECL's initializer + might contain runtime relocations. */ + +static unsigned int ATTRIBUTE_UNUSED +x86_64_elf_section_type_flags (tree decl, const char *name, int reloc) +{ + unsigned int flags = default_section_type_flags (decl, name, reloc); + + if (decl == NULL_TREE + && (strcmp (name, ".ldata.rel.ro") == 0 + || strcmp (name, ".ldata.rel.ro.local") == 0)) + flags |= SECTION_RELRO; + + if (strcmp (name, ".lbss") == 0 + || strncmp (name, ".lbss.", 5) == 0 + || strncmp (name, ".gnu.linkonce.lb.", 16) == 0) + flags |= SECTION_BSS; + + return flags; +} + /* Build up a unique section name, expressed as a STRING_CST node, and assign it to DECL_SECTION_NAME (decl). RELOC indicates whether the initial value of EXP requires @@ -13598,21 +13617,29 @@ ix86_delegitimize_address (rtx x) x = replace_equiv_address_nv (orig_x, x); return x; } - if (GET_CODE (x) != CONST - || GET_CODE (XEXP (x, 0)) != UNSPEC - || (XINT (XEXP (x, 0), 1) != UNSPEC_GOTPCREL - && XINT (XEXP (x, 0), 1) != UNSPEC_PCREL) - || (!MEM_P (orig_x) && XINT (XEXP (x, 0), 1) != UNSPEC_PCREL)) - return ix86_delegitimize_tls_address (orig_x); - x = XVECEXP (XEXP (x, 0), 0, 0); - if (GET_MODE (orig_x) != GET_MODE (x) && MEM_P (orig_x)) + + if (GET_CODE (x) == CONST + && GET_CODE (XEXP (x, 0)) == UNSPEC + && (XINT (XEXP (x, 0), 1) == UNSPEC_GOTPCREL + || XINT (XEXP (x, 0), 1) == UNSPEC_PCREL) + && (MEM_P (orig_x) || XINT (XEXP (x, 0), 1) == UNSPEC_PCREL)) { - x = simplify_gen_subreg (GET_MODE (orig_x), x, - GET_MODE (x), 0); - if (x == NULL_RTX) - return orig_x; + x = XVECEXP (XEXP (x, 0), 0, 0); + if (GET_MODE (orig_x) != GET_MODE (x) && MEM_P (orig_x)) + { + x = simplify_gen_subreg (GET_MODE (orig_x), x, + GET_MODE (x), 0); + if (x == NULL_RTX) + return orig_x; + } + return x; } - return x; + + if (ix86_cmodel != CM_MEDIUM_PIC && ix86_cmodel != CM_LARGE_PIC) + return ix86_delegitimize_tls_address (orig_x); + + /* Fall thru into the code shared with -m32 for -mcmodel=large -fpic + and -mcmodel=medium -fpic. */ } if (GET_CODE (x) != PLUS @@ -13649,10 +13676,12 @@ ix86_delegitimize_address (rtx x) if (GET_CODE (x) == UNSPEC && ((XINT (x, 1) == UNSPEC_GOT && MEM_P (orig_x) && !addend) - || (XINT (x, 1) == UNSPEC_GOTOFF && !MEM_P (orig_x)))) + || (XINT (x, 1) == UNSPEC_GOTOFF && !MEM_P (orig_x)) + || (XINT (x, 1) == UNSPEC_PLTOFF && ix86_cmodel == CM_LARGE_PIC + && !MEM_P (orig_x) && !addend))) result = XVECEXP (x, 0, 0); - if (TARGET_MACHO && darwin_local_data_pic (x) + if (!TARGET_64BIT && TARGET_MACHO && darwin_local_data_pic (x) && !MEM_P (orig_x)) result = XVECEXP (x, 0, 0); |