i386.md (set_got): Update.
* gcc/config/i386/i386.md (set_got): Update. (set_got_labelled): New. (UNSPEC_LD_MPIC): New. (builtin_setjmp_receiver): Mach-O support. * gcc/config/i386/darwin.h (TARGET_ASM_FILE_END) Define. (GOT_SYMBOL_NAME): Define. (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New. (TARGET_DEEP_BRANCH_PREDICTION): Remove. * gcc/config/i386/i386.c (override_options): Revise for Darwin. (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O support. (darwin_x86_file_end): New. (output_set_got): Add label parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise. * gcc/config/i386/i386-protos.h (output_set_got): Likewise. * gcc/config/darwin.c (machopic_legitimize_pic_address): Update regs_ever_live[]. From-SVN: r109556
This commit is contained in:
parent
a45fefd683
commit
7d07203759
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@ -1,3 +1,20 @@
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2006-01-10 Stuart Hastings <stuart@apple.com>
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* gcc/config/i386/i386.md (set_got): Update.
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(set_got_labelled): New. (UNSPEC_LD_MPIC): New.
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(builtin_setjmp_receiver): Mach-O support.
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* gcc/config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
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(GOT_SYMBOL_NAME): Define.
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(FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
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(TARGET_DEEP_BRANCH_PREDICTION): Remove.
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* gcc/config/i386/i386.c (override_options): Revise for Darwin.
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(USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
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support. (darwin_x86_file_end): New. (output_set_got): Add label
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parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
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* gcc/config/i386/i386-protos.h (output_set_got): Likewise.
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* gcc/config/darwin.c (machopic_legitimize_pic_address): Update
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regs_ever_live[].
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2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
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* config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
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@ -773,6 +773,8 @@ machopic_legitimize_pic_address (rtx orig, enum machine_mode mode, rtx reg)
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PIC_OFFSET_TABLE_REGNUM)));
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#endif
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if (reload_in_progress)
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regs_ever_live[REGNO (pic)] = 1;
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pic_ref = gen_rtx_PLUS (Pmode, pic,
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gen_pic_offset (XEXP (orig, 0),
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pic_base));
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@ -842,6 +844,8 @@ machopic_legitimize_pic_address (rtx orig, enum machine_mode mode, rtx reg)
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emit_insn (gen_rtx_USE (VOIDmode,
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pic_offset_table_rtx));
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#endif
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if (reload_in_progress)
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regs_ever_live[REGNO (pic)] = 1;
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pic_ref = gen_rtx_PLUS (Pmode,
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pic,
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gen_pic_offset (orig, pic_base));
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@ -37,6 +37,9 @@ Boston, MA 02110-1301, USA. */
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} \
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while (0)
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#undef FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
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#define FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN (0)
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/* We want -fPIC by default, unless we're using -static to compile for
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the kernel or some such. */
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@ -69,6 +72,10 @@ Boston, MA 02110-1301, USA. */
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#define SHIFT_DOUBLE_OMITS_COUNT 0
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extern void darwin_x86_file_end (void);
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#undef TARGET_ASM_FILE_END
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#define TARGET_ASM_FILE_END darwin_x86_file_end
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/* Define the syntax of pseudo-ops, labels and comments. */
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/* String containing the assembler's comment-starter. */
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@ -80,16 +87,14 @@ Boston, MA 02110-1301, USA. */
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#define TARGET_SUBTARGET_DEFAULT (MASK_80387 | MASK_IEEE_FP | MASK_FLOAT_RETURNS | MASK_128BIT_LONG_DOUBLE | MASK_ALIGN_DOUBLE)
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/* TARGET_DEEP_BRANCH_PREDICTION is incompatible with Mach-O PIC. */
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#undef TARGET_DEEP_BRANCH_PREDICTION
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#define TARGET_DEEP_BRANCH_PREDICTION 0
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/* For now, disable dynamic-no-pic. We'll need to go through i386.c
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with a fine-tooth comb looking for refs to flag_pic! */
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#define MASK_MACHO_DYNAMIC_NO_PIC 0
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#define TARGET_DYNAMIC_NO_PIC (target_flags & MASK_MACHO_DYNAMIC_NO_PIC)
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#undef GOT_SYMBOL_NAME
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#define GOT_SYMBOL_NAME (machopic_function_base_name ())
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/* Define the syntax of pseudo-ops, labels and comments. */
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#define LPREFIX "L"
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@ -67,7 +67,7 @@ extern bool output_addr_const_extra (FILE*, rtx);
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extern void split_di (rtx[], int, rtx[], rtx[]);
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extern void split_ti (rtx[], int, rtx[], rtx[]);
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extern const char *output_set_got (rtx);
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extern const char *output_set_got (rtx, rtx);
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extern const char *output_387_binary_op (rtx, rtx*);
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extern const char *output_387_reg_move (rtx, rtx*);
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extern const char *output_fix_trunc (rtx, rtx*, int);
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@ -1589,9 +1589,8 @@ override_options (void)
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The default of 128 bits is for Pentium III's SSE __m128, but we
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don't want additional code to keep the stack aligned when
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optimizing for code size. */
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ix86_preferred_stack_boundary = (optimize_size
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? TARGET_64BIT ? 128 : 32
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: 128);
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ix86_preferred_stack_boundary = ((TARGET_64BIT || TARGET_MACHO || !optimize_size)
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? 128 : 32);
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if (ix86_preferred_stack_boundary_string)
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{
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i = atoi (ix86_preferred_stack_boundary_string);
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@ -4431,7 +4430,7 @@ ix86_setup_frame_addresses (void)
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cfun->machine->accesses_prev_frame = 1;
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}
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#if defined(HAVE_GAS_HIDDEN) && (SUPPORTS_ONE_ONLY - 0)
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#if (defined(HAVE_GAS_HIDDEN) && (SUPPORTS_ONE_ONLY - 0)) || TARGET_MACHO
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# define USE_HIDDEN_LINKONCE 1
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#else
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# define USE_HIDDEN_LINKONCE 0
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@ -4470,6 +4469,19 @@ ix86_file_end (void)
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get_pc_thunk_name (name, regno);
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#if TARGET_MACHO
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if (TARGET_MACHO)
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{
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switch_to_section (darwin_sections[text_coal_section]);
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fputs ("\t.weak_definition\t", asm_out_file);
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assemble_name (asm_out_file, name);
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fputs ("\n\t.private_extern\t", asm_out_file);
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assemble_name (asm_out_file, name);
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fputs ("\n", asm_out_file);
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ASM_OUTPUT_LABEL (asm_out_file, name);
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}
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else
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#endif
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if (USE_HIDDEN_LINKONCE)
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{
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tree decl;
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@ -4508,7 +4520,7 @@ ix86_file_end (void)
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/* Emit code for the SET_GOT patterns. */
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const char *
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output_set_got (rtx dest)
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output_set_got (rtx dest, rtx label ATTRIBUTE_UNUSED)
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{
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rtx xops[3];
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if (! TARGET_DEEP_BRANCH_PREDICTION || !flag_pic)
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{
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xops[2] = gen_rtx_LABEL_REF (Pmode, gen_label_rtx ());
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xops[2] = gen_rtx_LABEL_REF (Pmode, label ? label : gen_label_rtx ());
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if (!flag_pic)
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output_asm_insn ("mov{l}\t{%2, %0|%0, %2}", xops);
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output_asm_insn ("call\t%a2", xops);
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#if TARGET_MACHO
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/* Output the "canonical" label name ("Lxx$pb") here too. This
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is what will be referred to by the Mach-O PIC subsystem. */
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ASM_OUTPUT_LABEL (asm_out_file, machopic_function_base_name ());
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/* Output the Mach-O "canonical" label name ("Lxx$pb") here too. This
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is what will be referenced by the Mach-O PIC subsystem. */
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if (!label)
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ASM_OUTPUT_LABEL (asm_out_file, machopic_function_base_name ());
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#endif
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(*targetm.asm_out.internal_label) (asm_out_file, "L",
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CODE_LABEL_NUMBER (XEXP (xops[2], 0)));
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xops[2] = gen_rtx_SYMBOL_REF (Pmode, ggc_strdup (name));
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xops[2] = gen_rtx_MEM (QImode, xops[2]);
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output_asm_insn ("call\t%X2", xops);
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/* Output the Mach-O "canonical" label name ("Lxx$pb") here too. This
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is what will be referenced by the Mach-O PIC subsystem. */
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#if TARGET_MACHO
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if (!label)
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ASM_OUTPUT_LABEL (asm_out_file, machopic_function_base_name ());
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#endif
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}
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if (TARGET_MACHO)
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return "";
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if (!flag_pic || TARGET_DEEP_BRANCH_PREDICTION)
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output_asm_insn ("add{l}\t{%1, %0|%0, %1}", xops);
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else if (!TARGET_MACHO)
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else
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output_asm_insn ("add{l}\t{%1+[.-%a2], %0|%0, %1+(.-%a2)}", xops);
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return "";
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fprintf (file, "\t.indirect_symbol %s\n", symbol_name);
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fprintf (file, "\t.long %s\n", binder_name);
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}
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void
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darwin_x86_file_end (void)
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{
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darwin_file_end ();
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ix86_file_end ();
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}
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#endif /* TARGET_MACHO */
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/* Order the registers for register allocator. */
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#endif /* TARGET_MACHO */
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{
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tmp = gen_rtx_REG (SImode, 2 /* ECX */);
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output_set_got (tmp);
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output_set_got (tmp, NULL_RTX);
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xops[1] = tmp;
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output_asm_insn ("mov{l}\t{%0@GOT(%1), %1|%1, %0@GOT[%1]}", xops);
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@ -83,6 +83,7 @@
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(UNSPEC_FLDCW 25)
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(UNSPEC_REP 26)
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(UNSPEC_EH_RETURN 27)
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(UNSPEC_LD_MPIC 28) ; load_macho_picbase
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; For SSE/MMX support:
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(UNSPEC_FIX_NOTRUNC 30)
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(unspec:SI [(const_int 0)] UNSPEC_SET_GOT))
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(clobber (reg:CC FLAGS_REG))]
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"!TARGET_64BIT"
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{ return output_set_got (operands[0]); }
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{ return output_set_got (operands[0], NULL_RTX); }
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[(set_attr "type" "multi")
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(set_attr "length" "12")])
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(define_insn "set_got_labelled"
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[(set (match_operand:SI 0 "register_operand" "=r")
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(unspec:SI [(label_ref (match_operand 1 "" ""))]
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UNSPEC_SET_GOT))
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(clobber (reg:CC FLAGS_REG))]
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"!TARGET_64BIT"
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{ return output_set_got (operands[0], operands[1]); }
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[(set_attr "type" "multi")
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(set_attr "length" "12")])
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[(label_ref (match_operand 0 "" ""))]
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"!TARGET_64BIT && flag_pic"
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{
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emit_insn (gen_set_got (pic_offset_table_rtx));
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if (TARGET_MACHO)
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{
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rtx xops[3];
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rtx picreg = gen_rtx_REG (Pmode, PIC_OFFSET_TABLE_REGNUM);
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rtx label_rtx = gen_label_rtx ();
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emit_insn (gen_set_got_labelled (pic_offset_table_rtx, label_rtx));
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emit_label (label_rtx);
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xops[0] = xops[1] = picreg;
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xops[2] = gen_rtx_CONST (SImode,
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gen_rtx_MINUS (SImode,
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gen_rtx_LABEL_REF (SImode, label_rtx),
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gen_rtx_SYMBOL_REF (SImode, GOT_SYMBOL_NAME)));
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ix86_expand_binary_operator (MINUS, SImode, xops);
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}
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else
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emit_insn (gen_set_got (pic_offset_table_rtx));
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DONE;
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})
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