From: Kai Tietz Date: Tue, 20 May 2008 10:08:42 +0000 (+0200) Subject: 2008-05-20 Kai Tietz X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=d29899bad20124ba43e6a7452e0ff2deffed9107;p=gcc.git 2008-05-20 Kai Tietz Reverted escaped patch. From-SVN: r135606 --- diff --git a/gcc/config/i386/cygming.h b/gcc/config/i386/cygming.h index 7b765160314..a6537bc60d3 100644 --- a/gcc/config/i386/cygming.h +++ b/gcc/config/i386/cygming.h @@ -34,10 +34,7 @@ along with GCC; see the file COPYING3. If not see #endif #undef TARGET_64BIT_MS_ABI -#define TARGET_64BIT_MS_ABI (!cfun ? DEFAULT_ABI == MS_ABI : TARGET_64BIT && cfun->machine->call_abi == MS_ABI) - -#undef DEFAULT_ABI -#define DEFAULT_ABI (TARGET_64BIT ? MS_ABI : SYSV_ABI) +#define TARGET_64BIT_MS_ABI TARGET_64BIT #undef DBX_REGISTER_NUMBER #define DBX_REGISTER_NUMBER(n) \ @@ -126,6 +123,12 @@ along with GCC; see the file COPYING3. If not see #undef LONG_TYPE_SIZE #define LONG_TYPE_SIZE 32 +#undef REG_PARM_STACK_SPACE +#define REG_PARM_STACK_SPACE(FNDECL) (TARGET_64BIT_MS_ABI ? 32 : 0) + +#undef OUTGOING_REG_PARM_STACK_SPACE +#define OUTGOING_REG_PARM_STACK_SPACE(FNTYPE) (TARGET_64BIT_MS_ABI ? 1 : 0) + #undef REGPARM_MAX #define REGPARM_MAX (TARGET_64BIT_MS_ABI ? 4 : 3) @@ -211,7 +214,7 @@ do { \ #define CHECK_STACK_LIMIT 4000 #undef STACK_BOUNDARY -#define STACK_BOUNDARY (DEFAULT_ABI == MS_ABI ? 128 : BITS_PER_WORD) +#define STACK_BOUNDARY (TARGET_64BIT_MS_ABI ? 128 : BITS_PER_WORD) /* By default, target has a 80387, uses IEEE compatible arithmetic, returns float values in the 387 and needs stack probes. diff --git a/gcc/config/i386/i386-protos.h b/gcc/config/i386/i386-protos.h index ed86304b59b..5e3a5caf352 100644 --- a/gcc/config/i386/i386-protos.h +++ b/gcc/config/i386/i386-protos.h @@ -134,12 +134,12 @@ extern rtx ix86_libcall_value (enum machine_mode); extern bool ix86_function_value_regno_p (int); extern bool ix86_function_arg_regno_p (int); extern int ix86_function_arg_boundary (enum machine_mode, tree); +extern bool ix86_return_in_memory (const_tree, const_tree); extern bool ix86_sol10_return_in_memory (const_tree,const_tree); +extern bool ix86_i386elf_return_in_memory (const_tree,const_tree); +extern bool ix86_i386interix_return_in_memory (const_tree,const_tree); extern rtx ix86_force_to_memory (enum machine_mode, rtx); extern void ix86_free_from_memory (enum machine_mode); -extern int ix86_cfun_abi (void); -extern int ix86_function_abi (const_tree); -extern int ix86_function_type_abi (const_tree); extern void ix86_split_fp_branch (enum rtx_code code, rtx, rtx, rtx, rtx, rtx, rtx); extern bool ix86_hard_regno_mode_ok (int, enum machine_mode); diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index eba44cbce7c..af4dc3caca7 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -1618,12 +1618,8 @@ rtx ix86_compare_op0 = NULL_RTX; rtx ix86_compare_op1 = NULL_RTX; rtx ix86_compare_emitted = NULL_RTX; -/* Abi specific values for REGPARM_MAX */ -#define X86_64_REGPARM_MAX 6 -#define X86_64_SSE_REGPARM_MAX 8 - /* Size of the register save area. */ -#define X86_64_VARARGS_SIZE (X86_64_REGPARM_MAX * UNITS_PER_WORD + X86_64_SSE_REGPARM_MAX * 16) +#define X86_64_VARARGS_SIZE (REGPARM_MAX * UNITS_PER_WORD + SSE_REGPARM_MAX * 16) /* Define the structure for the machine field in struct function. */ @@ -2310,11 +2306,11 @@ override_options (void) } else { - /* For TARGET_64BIT and MS_ABI, force pic on, in order to enable the + /* For TARGET_64BIT_MS_ABI, force pic on, in order to enable the use of rip-relative addressing. This eliminates fixups that would otherwise be needed if this object is to be placed in a DLL, and is essentially just as efficient as direct addressing. */ - if (TARGET_64BIT && DEFAULT_ABI == MS_ABI) + if (TARGET_64BIT_MS_ABI) ix86_cmodel = CM_SMALL_PIC, flag_pic = 1; else if (TARGET_64BIT) ix86_cmodel = flag_pic ? CM_SMALL_PIC : CM_SMALL; @@ -2765,9 +2761,8 @@ override_options (void) set_param_value ("l2-cache-size", ix86_cost->l2_cache_size); /* If using typedef char *va_list, signal that __builtin_va_start (&ap, 0) - can be optimized to ap = __builtin_next_arg (0). - For abi switching it should be corrected. */ - if (!TARGET_64BIT || DEFAULT_ABI == MS_ABI) + can be optimized to ap = __builtin_next_arg (0). */ + if (!TARGET_64BIT || TARGET_64BIT_MS_ABI) targetm.expand_builtin_va_start = NULL; } @@ -3165,7 +3160,7 @@ ix86_handle_cconv_attribute (tree *node, tree name, if (TARGET_64BIT) { /* Do not warn when emulating the MS ABI. */ - if (TREE_CODE (*node) != FUNCTION_TYPE || !ix86_function_type_abi (*node)) + if (!TARGET_64BIT_MS_ABI) warning (OPT_Wattributes, "%qs attribute ignored", IDENTIFIER_POINTER (name)); *no_add_attrs = true; @@ -3268,11 +3263,7 @@ ix86_function_regparm (const_tree type, const_tree decl) static bool error_issued; if (TARGET_64BIT) - { - if (ix86_function_type_abi (type) == DEFAULT_ABI) - return regparm; - return DEFAULT_ABI != SYSV_ABI ? 6 : 4; /* $$$$ */ - } + return regparm; attr = lookup_attribute ("regparm", TYPE_ATTRIBUTES (type)); if (attr) @@ -3503,15 +3494,11 @@ ix86_function_arg_regno_p (int regno) return true; } - /* TODO: The function should depend on current function ABI but - builtins.c would need updating then. Therefore we use the - default ABI. */ - /* RAX is used as hidden argument to va_arg functions. */ - if (DEFAULT_ABI == SYSV_ABI && regno == AX_REG) + if (!TARGET_64BIT_MS_ABI && regno == AX_REG) return true; - if (DEFAULT_ABI == MS_ABI) + if (TARGET_64BIT_MS_ABI) parm_regs = x86_64_ms_abi_int_parameter_registers; else parm_regs = x86_64_int_parameter_registers; @@ -3536,57 +3523,6 @@ ix86_must_pass_in_stack (enum machine_mode mode, const_tree type) && type && TREE_CODE (type) != VECTOR_TYPE); } -/* It returns the size, in bytes, of the area reserved for arguments passed - in registers for the function represented by fndecl dependent to the used - abi format. */ -unsigned int -ix86_reg_parm_stack_space (const_tree fndecl) -{ - int call_abi = 0; - /* For libcalls it is possible that there is no fndecl at hand. - Therefore assume for this case the default abi of the target. */ - if (!fndecl) - call_abi = DEFAULT_ABI; - else - call_abi = ix86_function_abi (fndecl); - if (call_abi == 1) - return 32; - return 0; -} - -/* Returns value SYSV_ABI, MS_ABI dependent on fntype, specifying the - call abi used. */ -int -ix86_function_type_abi (const_tree fntype) -{ - if (TARGET_64BIT && fntype != NULL) - { - if (DEFAULT_ABI == SYSV_ABI) - return lookup_attribute ("ms_abi", TYPE_ATTRIBUTES (fntype)) ? MS_ABI : SYSV_ABI; - else - return lookup_attribute ("sysv_abi", TYPE_ATTRIBUTES (fntype)) ? SYSV_ABI : MS_ABI; - } - return DEFAULT_ABI; -} - -int -ix86_function_abi (const_tree fndecl) -{ - if (! fndecl) - return DEFAULT_ABI; - return ix86_function_type_abi (TREE_TYPE (fndecl)); -} - -/* Returns value SYSV_ABI, MS_ABI dependent on cfun, specifying the - call abi used. */ -int -ix86_cfun_abi (void) -{ - if (! cfun || ! TARGET_64BIT) - return DEFAULT_ABI; - return cfun->machine->call_abi; -} - /* Initialize a variable CUM of type CUMULATIVE_ARGS for a call to a function whose data type is FNTYPE. For a library call, FNTYPE is 0. */ @@ -3602,20 +3538,8 @@ init_cumulative_args (CUMULATIVE_ARGS *cum, /* Argument info to initialize */ /* Set up the number of registers to use for passing arguments. */ cum->nregs = ix86_regparm; - if (TARGET_64BIT) - { - if (cum->call_abi != DEFAULT_ABI) - cum->nregs = DEFAULT_ABI != SYSV_ABI ? 6 : 4; - } if (TARGET_SSE) - { - cum->sse_nregs = SSE_REGPARM_MAX; - if (TARGET_64BIT) - { - if (cum->call_abi != DEFAULT_ABI) - cum->sse_nregs = DEFAULT_ABI != SYSV_ABI ? 8 : 4; /* $$$$ */ - } - } + cum->sse_nregs = SSE_REGPARM_MAX; if (TARGET_MMX) cum->mmx_nregs = MMX_REGPARM_MAX; cum->warn_sse = true; @@ -4401,7 +4325,7 @@ function_arg_advance (CUMULATIVE_ARGS *cum, enum machine_mode mode, if (type) mode = type_natural_mode (type); - if (TARGET_64BIT && (cum ? cum->call_abi : DEFAULT_ABI) == MS_ABI) + if (TARGET_64BIT_MS_ABI) function_arg_advance_ms_64 (cum, bytes, words); else if (TARGET_64BIT) function_arg_advance_64 (cum, mode, type, words); @@ -4528,9 +4452,8 @@ function_arg_64 (CUMULATIVE_ARGS *cum, enum machine_mode mode, if (mode == VOIDmode) return GEN_INT (cum->maybe_vaarg ? (cum->sse_nregs < 0 - ? (cum->call_abi == DEFAULT_ABI ? SSE_REGPARM_MAX - : (DEFAULT_ABI != SYSV_ABI ? 8 : 4)) /* $$$$ */ - : cum->sse_regno) + ? SSE_REGPARM_MAX + : cum->sse_regno) : -1); return construct_container (mode, orig_mode, type, 0, cum->nregs, @@ -4604,7 +4527,7 @@ function_arg (CUMULATIVE_ARGS *cum, enum machine_mode omode, if (type && TREE_CODE (type) == VECTOR_TYPE) mode = type_natural_mode (type); - if (TARGET_64BIT && (cum ? cum->call_abi : DEFAULT_ABI) == MS_ABI) + if (TARGET_64BIT_MS_ABI) return function_arg_ms_64 (cum, mode, omode, named, bytes); else if (TARGET_64BIT) return function_arg_64 (cum, mode, omode, type); @@ -4624,7 +4547,7 @@ ix86_pass_by_reference (CUMULATIVE_ARGS *cum ATTRIBUTE_UNUSED, const_tree type, bool named ATTRIBUTE_UNUSED) { /* See Windows x64 Software Convention. */ - if (TARGET_64BIT && (cum ? cum->call_abi : DEFAULT_ABI) == MS_ABI) + if (TARGET_64BIT_MS_ABI) { int msize = (int) GET_MODE_SIZE (mode); if (type) @@ -4751,10 +4674,7 @@ ix86_function_value_regno_p (int regno) return true; case FIRST_FLOAT_REG: - /* TODO: The function should depend on current function ABI but - builtins.c would need updating then. Therefore we use the - default ABI. */ - if (TARGET_64BIT && DEFAULT_ABI == MS_ABI) + if (TARGET_64BIT_MS_ABI) return false; return TARGET_FLOAT_RETURNS_IN_80387; @@ -4845,7 +4765,7 @@ function_value_64 (enum machine_mode orig_mode, enum machine_mode mode, } ret = construct_container (mode, orig_mode, valtype, 1, - X86_64_REGPARM_MAX, X86_64_SSE_REGPARM_MAX, + REGPARM_MAX, SSE_REGPARM_MAX, x86_64_int_return_registers, 0); /* For zero sized structures, construct_container returns NULL, but we @@ -4893,7 +4813,7 @@ ix86_function_value_1 (const_tree valtype, const_tree fntype_or_decl, fn = fntype_or_decl; fntype = fn ? TREE_TYPE (fn) : fntype_or_decl; - if (TARGET_64BIT && ix86_function_type_abi (fntype) == MS_ABI) + if (TARGET_64BIT_MS_ABI) return function_value_ms_64 (orig_mode, mode); else if (TARGET_64BIT) return function_value_64 (orig_mode, mode, valtype); @@ -4981,21 +4901,17 @@ return_in_memory_ms_64 (const_tree type, enum machine_mode mode) return (size != 1 && size != 2 && size != 4 && size != 8); } -static bool +bool ix86_return_in_memory (const_tree type, const_tree fntype ATTRIBUTE_UNUSED) { -#ifdef SUBTARGET_RETURN_IN_MEMORY - return SUBTARGET_RETURN_IN_MEMORY (type, fntype); -#else const enum machine_mode mode = type_natural_mode (type); - if (TARGET_64BIT && ix86_function_type_abi (fntype) == MS_ABI) + if (TARGET_64BIT_MS_ABI) return return_in_memory_ms_64 (type, mode); else if (TARGET_64BIT) return return_in_memory_64 (type, mode); else return return_in_memory_32 (type, mode); -#endif } /* Return false iff TYPE is returned in memory. This version is used @@ -5035,6 +4951,20 @@ ix86_sol10_return_in_memory (const_tree type, const_tree fntype ATTRIBUTE_UNUSED return size > 12; } +bool +ix86_i386elf_return_in_memory (const_tree type, const_tree fntype ATTRIBUTE_UNUSED) +{ + return (TYPE_MODE (type) == BLKmode + || (VECTOR_MODE_P (TYPE_MODE (type)) && int_size_in_bytes (type) == 8)); +} + +bool +ix86_i386interix_return_in_memory (const_tree type, const_tree fntype ATTRIBUTE_UNUSED) +{ + return (TYPE_MODE (type) == BLKmode + || (AGGREGATE_TYPE_P (type) && int_size_in_bytes(type) > 8 )); +} + /* When returning SSE vector types, we have a choice of either (1) being abi incompatible with a -march switch, or (2) generating an error. @@ -5090,7 +5020,7 @@ ix86_build_builtin_va_list (void) tree f_gpr, f_fpr, f_ovf, f_sav, record, type_decl; /* For i386 we use plain pointer to argument area. */ - if (!TARGET_64BIT || ix86_cfun_abi () == MS_ABI) + if (!TARGET_64BIT || TARGET_64BIT_MS_ABI) return build_pointer_type (char_type_node); record = (*lang_hooks.types.make_type) (RECORD_TYPE); @@ -5138,10 +5068,6 @@ setup_incoming_varargs_64 (CUMULATIVE_ARGS *cum) rtx nsse_reg; alias_set_type set; int i; - int regparm = ix86_regparm; - - if((cum ? cum->call_abi : ix86_cfun_abi ()) != DEFAULT_ABI) - regparm = DEFAULT_ABI != SYSV_ABI ? 6 : 4; /* $$$$ */ if (! cfun->va_list_gpr_size && ! cfun->va_list_fpr_size) return; @@ -5161,7 +5087,7 @@ setup_incoming_varargs_64 (CUMULATIVE_ARGS *cum) set = get_varargs_alias_set (); for (i = cum->regno; - i < regparm + i < ix86_regparm && i < cum->regno + cfun->va_list_gpr_size / UNITS_PER_WORD; i++) { @@ -5264,7 +5190,7 @@ ix86_setup_incoming_varargs (CUMULATIVE_ARGS *cum, enum machine_mode mode, if (stdarg_p (fntype)) function_arg_advance (&next_cum, mode, type, 1); - if ((cum ? cum->call_abi : DEFAULT_ABI) == MS_ABI) + if (TARGET_64BIT_MS_ABI) setup_incoming_varargs_ms_64 (&next_cum); else setup_incoming_varargs_64 (&next_cum); @@ -5281,7 +5207,7 @@ ix86_va_start (tree valist, rtx nextarg) tree type; /* Only 64bit target needs something special. */ - if (!TARGET_64BIT || cfun->machine->call_abi == MS_ABI) + if (!TARGET_64BIT || TARGET_64BIT_MS_ABI) { std_expand_builtin_va_start (valist, nextarg); return; @@ -5360,7 +5286,7 @@ ix86_gimplify_va_arg (tree valist, tree type, tree *pre_p, tree *post_p) enum machine_mode nat_mode; /* Only 64bit target needs something special. */ - if (!TARGET_64BIT || cfun->machine->call_abi == MS_ABI) + if (!TARGET_64BIT || TARGET_64BIT_MS_ABI) return std_gimplify_va_arg_expr (valist, type, pre_p, post_p); f_gpr = TYPE_FIELDS (TREE_TYPE (va_list_type_node)); @@ -5382,8 +5308,7 @@ ix86_gimplify_va_arg (tree valist, tree type, tree *pre_p, tree *post_p) nat_mode = type_natural_mode (type); container = construct_container (nat_mode, TYPE_MODE (type), type, 0, - X86_64_REGPARM_MAX, X86_64_SSE_REGPARM_MAX, - intreg, 0); + REGPARM_MAX, SSE_REGPARM_MAX, intreg, 0); /* Pull the value out of the saved registers. */ @@ -5461,8 +5386,8 @@ ix86_gimplify_va_arg (tree valist, tree type, tree *pre_p, tree *post_p) if (needed_sseregs) { t = build_int_cst (TREE_TYPE (fpr), - (X86_64_SSE_REGPARM_MAX - needed_sseregs + 1) * 16 - + X86_64_REGPARM_MAX * 8); + (SSE_REGPARM_MAX - needed_sseregs + 1) * 16 + + REGPARM_MAX * 8); t = build2 (GE_EXPR, boolean_type_node, fpr, t); t2 = build1 (GOTO_EXPR, void_type_node, lab_false); t = build3 (COND_EXPR, void_type_node, t, t2, NULL_TREE); @@ -6588,9 +6513,9 @@ ix86_expand_prologue (void) bool eax_live; rtx t; - gcc_assert (!TARGET_64BIT || cfun->machine->call_abi == MS_ABI); + gcc_assert (!TARGET_64BIT || TARGET_64BIT_MS_ABI); - if (cfun->machine->call_abi == MS_ABI) + if (TARGET_64BIT_MS_ABI) eax_live = false; else eax_live = ix86_eax_live_at_start_p (); @@ -8400,7 +8325,7 @@ output_pic_addr_const (FILE *file, rtx x, int code) #endif assemble_name (file, name); } - if (!TARGET_MACHO && !(TARGET_64BIT && DEFAULT_ABI == MS_ABI) + if (!TARGET_MACHO && !TARGET_64BIT_MS_ABI && code == 'P' && ! SYMBOL_REF_LOCAL_P (x)) fputs ("@PLT", file); break; @@ -16493,7 +16418,6 @@ ix86_init_machine_status (void) f = GGC_CNEW (struct machine_function); f->use_fast_prologue_epilogue_nregs = -1; f->tls_descriptor_call_expanded_p = 0; - f->call_abi = DEFAULT_ABI; return f; } @@ -23070,7 +22994,7 @@ x86_this_parameter (tree function) { const int *parm_regs; - if (ix86_function_type_abi (type) == MS_ABI) + if (TARGET_64BIT_MS_ABI) parm_regs = x86_64_ms_abi_int_parameter_registers; else parm_regs = x86_64_int_parameter_registers; @@ -23238,7 +23162,7 @@ x86_output_mi_thunk (FILE *file ATTRIBUTE_UNUSED, output_asm_insn ("jmp\t%P0", xops); /* All thunks should be in the same object as their target, and thus binds_local_p should be true. */ - else if (TARGET_64BIT && cfun->machine->call_abi == MS_ABI) + else if (TARGET_64BIT_MS_ABI) gcc_unreachable (); else { @@ -23321,7 +23245,7 @@ x86_function_profiler (FILE *file, int labelno ATTRIBUTE_UNUSED) fprintf (file, "\tleaq\t%sP%d@(%%rip),%%r11\n", LPREFIX, labelno); #endif - if (DEFAULT_ABI == SYSV_ABI && flag_pic) + if (!TARGET_64BIT_MS_ABI && flag_pic) fprintf (file, "\tcall\t*%s@GOTPCREL(%%rip)\n", MCOUNT_NAME); else fprintf (file, "\tcall\t%s\n", MCOUNT_NAME); @@ -25871,9 +25795,6 @@ x86_builtin_vectorization_cost (bool runtime_test) } /* Initialize the GCC target structure. */ -#undef TARGET_RETURN_IN_MEMORY -#define TARGET_RETURN_IN_MEMORY ix86_return_in_memory - #undef TARGET_ATTRIBUTE_TABLE #define TARGET_ATTRIBUTE_TABLE ix86_attribute_table #if TARGET_DLLIMPORT_DECL_ATTRIBUTES diff --git a/gcc/config/i386/i386.h b/gcc/config/i386/i386.h index 45ce3c3df76..f259d74d9d7 100644 --- a/gcc/config/i386/i386.h +++ b/gcc/config/i386/i386.h @@ -446,17 +446,7 @@ extern tree x86_mfence; #define TARGET_MACHO 0 /* Likewise, for the Windows 64-bit ABI. */ -#define TARGET_64BIT_MS_ABI (TARGET_64BIT && ix86_cfun_abi () == MS_ABI) - -/* Available call abi. */ -enum -{ - SYSV_ABI = 0, - MS_ABI = 1 -}; - -/* The default abi form used by target. */ -#define DEFAULT_ABI SYSV_ABI +#define TARGET_64BIT_MS_ABI 0 /* Subtargets may reset this to 1 in order to enable 96-bit long double with the rounding mode forced to 53 bits. */ @@ -814,8 +804,7 @@ enum target_cpu_default #define PARM_BOUNDARY BITS_PER_WORD /* Boundary (in *bits*) on which stack pointer should be aligned. */ -#define STACK_BOUNDARY (TARGET_64BIT && DEFAULT_ABI == MS_ABI ? 128 \ - : BITS_PER_WORD) +#define STACK_BOUNDARY BITS_PER_WORD /* Boundary (in *bits*) on which the stack pointer prefers to be aligned; the compiler cannot rely on having this alignment. */ @@ -1040,35 +1029,6 @@ enum target_cpu_default #define ORDER_REGS_FOR_LOCAL_ALLOC x86_order_regs_for_local_alloc () -/* regclass.c */ -extern void init_regs (void); - -#define OVERRIDE_ABI_FORMAT(FNDECL) \ -do { \ - if (FNDECL == NULL) \ - cfun->machine->call_abi = DEFAULT_ABI; \ - else \ - cfun->machine->call_abi = ix86_function_type_abi (TREE_TYPE (FNDECL)); \ - if (cfun->machine->call_abi == MS_ABI && call_used_regs) \ - { \ - if (call_used_regs[4 /*RSI*/] != 0 || call_used_regs[5 /*RDI*/] != 0) \ - { \ - call_used_regs[4 /*RSI*/] = 0; \ - call_used_regs[5 /*RDI*/] = 0; \ - init_regs (); \ - } \ - } \ - else if (TARGET_64BIT && call_used_regs) \ - { \ - if (call_used_regs[4 /*RSI*/] != 1 || call_used_regs[5 /*RDI*/] != 1) \ - { \ - call_used_regs[4 /*RSI*/] = 1; \ - call_used_regs[5 /*RDI*/] = 1; \ - init_regs (); \ - } \ - } \ - } while (0) - /* Macro to conditionally modify fixed_regs/call_used_regs. */ #define CONDITIONAL_REGISTER_USAGE \ do { \ @@ -1119,6 +1079,11 @@ do { \ for (i = FIRST_REX_SSE_REG; i <= LAST_REX_SSE_REG; i++) \ reg_names[i] = ""; \ } \ + if (TARGET_64BIT_MS_ABI) \ + { \ + call_used_regs[4 /*RSI*/] = 0; \ + call_used_regs[5 /*RDI*/] = 0; \ + } \ } while (0) /* Return number of consecutive hard regs needed starting at reg REGNO @@ -1296,6 +1261,25 @@ do { \ #define GOT_SYMBOL_NAME "_GLOBAL_OFFSET_TABLE_" +/* A C expression which can inhibit the returning of certain function + values in registers, based on the type of value. A nonzero value + says to return the function value in memory, just as large + structures are always returned. Here TYPE will be a C expression + of type `tree', representing the data type of the value. + + Note that values of mode `BLKmode' must be explicitly handled by + this macro. Also, the option `-fpcc-struct-return' takes effect + regardless of this macro. On most systems, it is possible to + leave the macro undefined; this causes a default definition to be + used, whose value is the constant 1 for `BLKmode' values, and 0 + otherwise. + + Do not use this macro to indicate that structures and unions + should always be returned in memory. You should instead use + `DEFAULT_PCC_STRUCT_RETURN' to indicate this. */ + +#define TARGET_RETURN_IN_MEMORY ix86_return_in_memory + /* This is overridden by . */ #define MS_AGGREGATE_RETURN 0 @@ -1644,11 +1628,7 @@ enum reg_class This space can be allocated by the caller, or be a part of the machine-dependent stack frame: `OUTGOING_REG_PARM_STACK_SPACE' says which. */ -#define REG_PARM_STACK_SPACE(FNDECL) ix86_reg_parm_stack_space (FNDECL) - -#define OUTGOING_REG_PARM_STACK_SPACE(FNTYPE) (ix86_function_type_abi (FNTYPE) == MS_ABI ? 1 : 0) - -extern unsigned int ix86_reg_parm_stack_space (const_tree); +#define REG_PARM_STACK_SPACE(FNDECL) 0 /* Value is the number of bytes of arguments automatically popped when returning from a subroutine call. @@ -1710,8 +1690,6 @@ typedef struct ix86_args { int maybe_vaarg; /* true for calls to possibly vardic fncts. */ int float_in_sse; /* 1 if in 32-bit mode SFmode (2 for DFmode) should be passed in SSE registers. Otherwise 0. */ - int call_abi; /* Set to SYSV_ABI for sysv abi. Otherwise - MS_ABI for ms abi. */ } CUMULATIVE_ARGS; /* Initialize a variable CUM of type CUMULATIVE_ARGS @@ -2489,9 +2467,6 @@ struct machine_function GTY(()) ix86_current_function_calls_tls_descriptor macro for a better approximation. */ int tls_descriptor_call_expanded_p; - /* This value is used for amd64 targets and specifies the current abi - to be used. MS_ABI means ms abi. Otherwise SYSV_ABI means sysv abi. */ - int call_abi; }; #define ix86_stack_locals (cfun->machine->stack_locals) diff --git a/gcc/config/i386/mingw32.h b/gcc/config/i386/mingw32.h index 7628896bc6a..3a3b74cf8be 100644 --- a/gcc/config/i386/mingw32.h +++ b/gcc/config/i386/mingw32.h @@ -38,7 +38,7 @@ along with GCC; see the file COPYING3. If not see builtin_define_std ("WINNT"); \ builtin_define_with_int_value ("_INTEGRAL_MAX_BITS", \ TYPE_PRECISION (intmax_type_node));\ - if (TARGET_64BIT && DEFAULT_ABI == MS_ABI) \ + if (TARGET_64BIT_MS_ABI) \ { \ builtin_define ("__MINGW64__"); \ builtin_define_std ("WIN64"); \