#define GCC_FLAGS_H
#include "coretypes.h"
+#include "flag-types.h"
#include "options.h"
-enum debug_info_type
-{
- NO_DEBUG, /* Write no debug info. */
- DBX_DEBUG, /* Write BSD .stabs for DBX (using dbxout.c). */
- SDB_DEBUG, /* Write COFF for (old) SDB (using sdbout.c). */
- DWARF2_DEBUG, /* Write Dwarf v2 debug info (using dwarf2out.c). */
- XCOFF_DEBUG, /* Write IBM/Xcoff debug info (using dbxout.c). */
- VMS_DEBUG, /* Write VMS debug info (using vmsdbgout.c). */
- VMS_AND_DWARF2_DEBUG /* Write VMS debug info (using vmsdbgout.c).
- and DWARF v2 debug info (using dwarf2out.c). */
-};
-
-/* Specify which kind of debugging info to generate. */
-extern enum debug_info_type write_symbols;
+#if !defined(IN_LIBGCC2) && !defined(IN_TARGET_LIBS) && !defined(IN_RTS)
/* Names of debug_info_type, for error messages. */
extern const char *const debug_type_names[];
-enum debug_info_level
-{
- DINFO_LEVEL_NONE, /* Write no debugging info. */
- DINFO_LEVEL_TERSE, /* Write minimal info to support tracebacks only. */
- DINFO_LEVEL_NORMAL, /* Write info for all declarations (and line table). */
- DINFO_LEVEL_VERBOSE /* Write normal info plus #define/#undef info. */
-};
-
-/* Specify how much debugging info to generate. */
-extern enum debug_info_level debug_info_level;
-
-/* A major contribution to object and executable size is debug
- information size. A major contribution to debug information
- size is struct descriptions replicated in several object files.
- The following function determines whether or not debug information
- should be generated for a given struct. The indirect parameter
- indicates that the struct is being handled indirectly, via
- a pointer. See opts.c for the implementation. */
-
-enum debug_info_usage
-{
- DINFO_USAGE_DFN, /* A struct definition. */
- DINFO_USAGE_DIR_USE, /* A direct use, such as the type of a variable. */
- DINFO_USAGE_IND_USE, /* An indirect use, such as through a pointer. */
- DINFO_USAGE_NUM_ENUMS /* The number of enumerators. */
-};
-
-extern bool should_emit_struct_debug (tree type_decl, enum debug_info_usage);
-extern void set_struct_debug_option (const char *value);
-
-/* Nonzero means use GNU-only extensions in the generated symbolic
- debugging information. */
-extern bool use_gnu_debug_info_extensions;
-
-/* Enumerate visibility settings. This is deliberately ordered from most
- to least visibility. */
-#ifndef SYMBOL_VISIBILITY_DEFINED
-#define SYMBOL_VISIBILITY_DEFINED
-enum symbol_visibility
-{
- VISIBILITY_DEFAULT,
- VISIBILITY_PROTECTED,
- VISIBILITY_HIDDEN,
- VISIBILITY_INTERNAL
-};
-#endif
-
-/* The default visibility for all symbols (unless overridden). */
-extern enum symbol_visibility default_visibility;
-
-struct visibility_flags
-{
- unsigned inpragma : 1; /* True when in #pragma GCC visibility. */
- unsigned inlines_hidden : 1; /* True when -finlineshidden in effect. */
-};
-
-/* Global visibility options. */
-extern struct visibility_flags visibility_options;
-
-/* Nonzero means do optimizations. -opt. */
-
-extern int optimize;
-
-/* Nonzero means optimize for size. -Os. */
-
-extern int optimize_size;
+extern void strip_off_ending (char *, int);
+extern int base_of_path (const char *path, const char **base_out);
/* True if this is the LTO front end (lto1). This is used to disable
gimple generation and lowering passes that are normally run on the
extern bool in_lto_p;
-/* Nonzero if we should write GIMPLE bytecode for link-time optimization. */
-
-extern int flag_generate_lto;
+/* Return true iff flags are set as if -ffast-math. */
+extern bool fast_math_flags_set_p (const struct gcc_options *);
+extern bool fast_math_flags_struct_set_p (struct cl_optimization *);
-/* Used to set the level of -Wstrict-aliasing, when no level is specified.
- The external way to set the default level is to use
+/* Used to set the level of -Wstrict-aliasing in OPTS, when no level
+ is specified. The external way to set the default level is to use
-Wstrict-aliasing=level.
ONOFF is assumed to take value 1 when -Wstrict-aliasing is specified,
and 0 otherwise. After calling this function, wstrict_aliasing will be
set to the default value of -Wstrict_aliasing=level. */
-extern void set_Wstrict_aliasing (int onoff);
-
-/* Nonzero means warn about any objects definitions whose size is larger
- than N bytes. Also want about function definitions whose returned
- values are larger than N bytes. The value N is in `larger_than_size'. */
-
-extern bool warn_larger_than;
-extern HOST_WIDE_INT larger_than_size;
-
-/* Nonzero means warn about any function whose frame size is larger
- than N bytes. */
-
-extern bool warn_frame_larger_than;
-extern HOST_WIDE_INT frame_larger_than_size;
-
-/* Nonzero for -dp: annotate the assembly with a comment describing the
- pattern and alternative used. */
-
-extern int flag_print_asm_name;
+extern void set_Wstrict_aliasing (struct gcc_options *opts, int onoff);
\f
/* Now the symbols that are set with `-f' switches. */
-/* Nonzero means `char' should be signed. */
-
-extern int flag_signed_char;
-
-/* Nonzero means give an enum type only as many bytes as it needs. A value
- of 2 means it has not yet been initialized. */
-
-extern int flag_short_enums;
-
-/* Nonzero for -fpcc-struct-return: return values the same way PCC does. */
-
-extern int flag_pcc_struct_return;
-
-/* 0 means straightforward implementation of complex divide acceptable.
- 1 means wide ranges of inputs must work for complex divide.
- 2 means C99-like requirements for complex multiply and divide. */
-
-extern int flag_complex_method;
-
-/* Nonzero if we are only using compiler to check syntax errors. */
-
-extern int rtl_dump_and_exit;
-
-/* Nonzero means we should save auxiliary info into a .X file. */
-
-extern int flag_gen_aux_info;
-
-/* Nonzero means suppress output of instruction numbers and line number
- notes in debugging dumps. */
-
-extern int flag_dump_unnumbered;
-
/* True if printing into -fdump-final-insns= dump. */
extern bool final_insns_dump_p;
-/* Nonzero means change certain warnings into errors.
- Usually these are warnings about failure to conform to some standard. */
-
-extern int flag_pedantic_errors;
-
/* Nonzero means make permerror produce warnings instead of errors. */
extern int flag_permissive;
-/* Nonzero if we are compiling code for a shared library, zero for
- executable. */
-
-extern int flag_shlib;
-
-/* -dA causes debug information to be produced in
- the generated assembly code (to make it more readable). This option
- is generally only of use to those who actually need to read the
- generated assembly code (perhaps while debugging the compiler itself).
- Currently, this switch is only used by dwarfout.c; however, it is intended
- to be a catchall for printing debug information in the assembler file. */
-
-extern int flag_debug_asm;
-
/* Generate code for GNU or NeXT Objective-C runtime environment. */
extern int flag_next_runtime;
-
-extern int flag_dump_rtl_in_asm;
-
-/* The algorithm used for the integrated register allocator (IRA). */
-enum ira_algorithm
-{
- IRA_ALGORITHM_CB,
- IRA_ALGORITHM_PRIORITY
-};
-
-extern enum ira_algorithm flag_ira_algorithm;
-
-/* The regions used for the integrated register allocator (IRA). */
-enum ira_region
-{
- IRA_REGION_ONE,
- IRA_REGION_ALL,
- IRA_REGION_MIXED
-};
-
-extern enum ira_region flag_ira_region;
-
-extern unsigned int flag_ira_verbose;
-
-/* The options for excess precision. */
-enum excess_precision
-{
- EXCESS_PRECISION_DEFAULT,
- EXCESS_PRECISION_FAST,
- EXCESS_PRECISION_STANDARD
-};
-
-/* The excess precision specified on the command line, or defaulted by
- the front end. */
-extern enum excess_precision flag_excess_precision_cmdline;
-
-/* The excess precision currently in effect. */
-extern enum excess_precision flag_excess_precision;
-
\f
/* Other basic status info about current function. */
-/* Nonzero if subexpressions must be evaluated from left-to-right. */
-extern int flag_evaluation_order;
-
-/* Value of the -G xx switch, and whether it was passed or not. */
-extern unsigned HOST_WIDE_INT g_switch_value;
-extern bool g_switch_set;
-
-/* Same for selective scheduling. */
-extern bool sel_sched_switch_set;
-
-/* Whether to run the warn_unused_result attribute pass. */
-extern bool flag_warn_unused_result;
+/* Target-dependent global state. */
+struct target_flag_state {
+ /* Values of the -falign-* flags: how much to align labels in code.
+ 0 means `use default', 1 means `don't align'.
+ For each variable, there is an _log variant which is the power
+ of two not less than the variable, for .align output. */
+ int x_align_loops_log;
+ int x_align_loops_max_skip;
+ int x_align_jumps_log;
+ int x_align_jumps_max_skip;
+ int x_align_labels_log;
+ int x_align_labels_max_skip;
+ int x_align_functions_log;
+
+ /* The excess precision currently in effect. */
+ enum excess_precision x_flag_excess_precision;
+};
-/* Values of the -falign-* flags: how much to align labels in code.
- 0 means `use default', 1 means `don't align'.
- For each variable, there is an _log variant which is the power
- of two not less than the variable, for .align output. */
+extern struct target_flag_state default_target_flag_state;
+#if SWITCHABLE_TARGET
+extern struct target_flag_state *this_target_flag_state;
+#else
+#define this_target_flag_state (&default_target_flag_state)
+#endif
-extern int align_loops_log;
-extern int align_loops_max_skip;
-extern int align_jumps_log;
-extern int align_jumps_max_skip;
-extern int align_labels_log;
-extern int align_labels_max_skip;
-extern int align_functions_log;
+#define align_loops_log \
+ (this_target_flag_state->x_align_loops_log)
+#define align_loops_max_skip \
+ (this_target_flag_state->x_align_loops_max_skip)
+#define align_jumps_log \
+ (this_target_flag_state->x_align_jumps_log)
+#define align_jumps_max_skip \
+ (this_target_flag_state->x_align_jumps_max_skip)
+#define align_labels_log \
+ (this_target_flag_state->x_align_labels_log)
+#define align_labels_max_skip \
+ (this_target_flag_state->x_align_labels_max_skip)
+#define align_functions_log \
+ (this_target_flag_state->x_align_functions_log)
+#define flag_excess_precision \
+ (this_target_flag_state->x_flag_excess_precision)
/* Nonzero if we dump in VCG format, not plain text. */
extern int dump_for_graph;
-/* Selection of the graph form. */
-enum graph_dump_types
-{
- no_graph = 0,
- vcg
-};
-extern enum graph_dump_types graph_dump_format;
-
-/* Nonzero means to collect statistics which might be expensive
- and to print them when we are done. */
-extern int flag_detailed_statistics;
-
-/* Nonzero means that we defer emitting functions until they are actually
- used. */
-extern int flag_remove_unreachable_functions;
-
-/* Nonzero if we should track variables. */
-extern int flag_var_tracking;
-
-/* True if flag_speculative_prefetching was set by user. Used to suppress
- warning message in case flag was set by -fprofile-{generate,use}. */
-extern bool flag_speculative_prefetching_set;
-
-/* Type of stack check. */
-enum stack_check_type
-{
- /* Do not check the stack. */
- NO_STACK_CHECK = 0,
-
- /* Check the stack generically, i.e. assume no specific support
- from the target configuration files. */
- GENERIC_STACK_CHECK,
-
- /* Check the stack and rely on the target configuration files to
- check the static frame of functions, i.e. use the generic
- mechanism only for dynamic stack allocations. */
- STATIC_BUILTIN_STACK_CHECK,
-
- /* Check the stack and entirely rely on the target configuration
- files, i.e. do not use the generic mechanism at all. */
- FULL_BUILTIN_STACK_CHECK
-};
-extern enum stack_check_type flag_stack_check;
-
/* Returns TRUE if generated code should match ABI version N or
greater is in use. */
#define abi_version_at_least(N) \
(flag_abi_version == 0 || flag_abi_version >= (N))
-/* Return whether the function should be excluded from
- instrumentation. */
-extern bool flag_instrument_functions_exclude_p (tree fndecl);
-
/* True if overflow wraps around for the given integral type. That
is, TYPE_MAX + 1 == TYPE_MIN. */
#define TYPE_OVERFLOW_WRAPS(TYPE) \
/* True if pointer types have undefined overflow. */
#define POINTER_TYPE_OVERFLOW_UNDEFINED (flag_strict_overflow)
-/* Names for the different levels of -Wstrict-overflow=N. The numeric
- values here correspond to N. */
-
-enum warn_strict_overflow_code
-{
- /* Overflow warning that should be issued with -Wall: a questionable
- construct that is easy to avoid even when using macros. Example:
- folding (x + CONSTANT > x) to 1. */
- WARN_STRICT_OVERFLOW_ALL = 1,
- /* Overflow warning about folding a comparison to a constant because
- of undefined signed overflow, other than cases covered by
- WARN_STRICT_OVERFLOW_ALL. Example: folding (abs (x) >= 0) to 1
- (this is false when x == INT_MIN). */
- WARN_STRICT_OVERFLOW_CONDITIONAL = 2,
- /* Overflow warning about changes to comparisons other than folding
- them to a constant. Example: folding (x + 1 > 1) to (x > 0). */
- WARN_STRICT_OVERFLOW_COMPARISON = 3,
- /* Overflow warnings not covered by the above cases. Example:
- folding ((x * 10) / 5) to (x * 2). */
- WARN_STRICT_OVERFLOW_MISC = 4,
- /* Overflow warnings about reducing magnitude of constants in
- comparison. Example: folding (x + 2 > y) to (x + 1 >= y). */
- WARN_STRICT_OVERFLOW_MAGNITUDE = 5
-};
-
/* Whether to emit an overflow warning whose code is C. */
#define issue_strict_overflow_warning(c) (warn_strict_overflow >= (int) (c))
+#endif
+
#endif /* ! GCC_FLAGS_H */
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