X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=gcc%2Fexpr.h;h=cb4050dc10d45426982c2c2d30e84e74301994ef;hb=dab866f9b5afc58f05be6ea553163865b7c5cabc;hp=4fddde6006ef6650d00ec69bf0af51aa80bb1986;hpb=79ab74cc1f5024afde392887902b7f86264261c7;p=pf3gnuchains%2Fgcc-fork.git diff --git a/gcc/expr.h b/gcc/expr.h index 4fddde6006e..cb4050dc10d 100644 --- a/gcc/expr.h +++ b/gcc/expr.h @@ -34,11 +34,6 @@ along with GCC; see the file COPYING3. If not see /* For GET_MODE_BITSIZE, word_mode */ #include "machmode.h" -/* The default branch cost is 1. */ -#ifndef BRANCH_COST -#define BRANCH_COST(speed_p, predictable_p) 1 -#endif - /* This is the 4th arg to `expand_expr'. EXPAND_STACK_PARM means we are possibly expanding a call param onto the stack. @@ -61,37 +56,6 @@ enum expand_modifier {EXPAND_NORMAL = 0, EXPAND_STACK_PARM, EXPAND_SUM, more information. */ #define OK_DEFER_POP (inhibit_defer_pop -= 1) -/* If a memory-to-memory move would take MOVE_RATIO or more simple - move-instruction sequences, we will do a movmem or libcall instead. */ - -#ifndef MOVE_RATIO -#if defined (HAVE_movmemqi) || defined (HAVE_movmemhi) || defined (HAVE_movmemsi) || defined (HAVE_movmemdi) || defined (HAVE_movmemti) -#define MOVE_RATIO(speed) 2 -#else -/* If we are optimizing for space (-Os), cut down the default move ratio. */ -#define MOVE_RATIO(speed) ((speed) ? 15 : 3) -#endif -#endif - -/* If a clear memory operation would take CLEAR_RATIO or more simple - move-instruction sequences, we will do a setmem or libcall instead. */ - -#ifndef CLEAR_RATIO -#if defined (HAVE_setmemqi) || defined (HAVE_setmemhi) || defined (HAVE_setmemsi) || defined (HAVE_setmemdi) || defined (HAVE_setmemti) -#define CLEAR_RATIO(speed) 2 -#else -/* If we are optimizing for space, cut down the default clear ratio. */ -#define CLEAR_RATIO(speed) ((speed) ? 15 :3) -#endif -#endif - -/* If a memory set (to value other than zero) operation would take - SET_RATIO or more simple move-instruction sequences, we will do a movmem - or libcall instead. */ -#ifndef SET_RATIO -#define SET_RATIO(speed) MOVE_RATIO(speed) -#endif - enum direction {none, upward, downward}; /* Structure to record the size of a sequence of arguments @@ -166,106 +130,6 @@ do { \ ((SIZE).var == 0 ? GEN_INT ((SIZE).constant) \ : expand_normal (ARGS_SIZE_TREE (SIZE))) -/* Supply a default definition for FUNCTION_ARG_PADDING: - usually pad upward, but pad short args downward on - big-endian machines. */ - -#define DEFAULT_FUNCTION_ARG_PADDING(MODE, TYPE) \ - (! BYTES_BIG_ENDIAN \ - ? upward \ - : (((MODE) == BLKmode \ - ? ((TYPE) && TREE_CODE (TYPE_SIZE (TYPE)) == INTEGER_CST \ - && int_size_in_bytes (TYPE) < (PARM_BOUNDARY / BITS_PER_UNIT)) \ - : GET_MODE_BITSIZE (MODE) < PARM_BOUNDARY) \ - ? downward : upward)) - -#ifndef FUNCTION_ARG_PADDING -#define FUNCTION_ARG_PADDING(MODE, TYPE) \ - DEFAULT_FUNCTION_ARG_PADDING ((MODE), (TYPE)) -#endif - -/* Supply a default definition for FUNCTION_ARG_BOUNDARY. Normally, we let - FUNCTION_ARG_PADDING, which also pads the length, handle any needed - alignment. */ - -#ifndef FUNCTION_ARG_BOUNDARY -#define FUNCTION_ARG_BOUNDARY(MODE, TYPE) PARM_BOUNDARY -#endif - -/* Supply a default definition of STACK_SAVEAREA_MODE for emit_stack_save. - Normally move_insn, so Pmode stack pointer. */ - -#ifndef STACK_SAVEAREA_MODE -#define STACK_SAVEAREA_MODE(LEVEL) Pmode -#endif - -/* Supply a default definition of STACK_SIZE_MODE for - allocate_dynamic_stack_space. Normally PLUS/MINUS, so word_mode. */ - -#ifndef STACK_SIZE_MODE -#define STACK_SIZE_MODE word_mode -#endif - -/* Provide default values for the macros controlling stack checking. */ - -/* The default is neither full builtin stack checking... */ -#ifndef STACK_CHECK_BUILTIN -#define STACK_CHECK_BUILTIN 0 -#endif - -/* ...nor static builtin stack checking. */ -#ifndef STACK_CHECK_STATIC_BUILTIN -#define STACK_CHECK_STATIC_BUILTIN 0 -#endif - -/* The default interval is one page (4096 bytes). */ -#ifndef STACK_CHECK_PROBE_INTERVAL_EXP -#define STACK_CHECK_PROBE_INTERVAL_EXP 12 -#endif - -/* The default is not to move the stack pointer. */ -#ifndef STACK_CHECK_MOVING_SP -#define STACK_CHECK_MOVING_SP 0 -#endif - -/* This is a kludge to try to capture the discrepancy between the old - mechanism (generic stack checking) and the new mechanism (static - builtin stack checking). STACK_CHECK_PROTECT needs to be bumped - for the latter because part of the protection area is effectively - included in STACK_CHECK_MAX_FRAME_SIZE for the former. */ -#ifdef STACK_CHECK_PROTECT -#define STACK_OLD_CHECK_PROTECT STACK_CHECK_PROTECT -#else -#define STACK_OLD_CHECK_PROTECT \ - (USING_SJLJ_EXCEPTIONS ? 75 * UNITS_PER_WORD : 8 * 1024) -#endif - -/* Minimum amount of stack required to recover from an anticipated stack - overflow detection. The default value conveys an estimate of the amount - of stack required to propagate an exception. */ -#ifndef STACK_CHECK_PROTECT -#define STACK_CHECK_PROTECT \ - (USING_SJLJ_EXCEPTIONS ? 75 * UNITS_PER_WORD : 12 * 1024) -#endif - -/* Make the maximum frame size be the largest we can and still only need - one probe per function. */ -#ifndef STACK_CHECK_MAX_FRAME_SIZE -#define STACK_CHECK_MAX_FRAME_SIZE \ - ((1 << STACK_CHECK_PROBE_INTERVAL_EXP) - UNITS_PER_WORD) -#endif - -/* This is arbitrary, but should be large enough everywhere. */ -#ifndef STACK_CHECK_FIXED_FRAME_SIZE -#define STACK_CHECK_FIXED_FRAME_SIZE (4 * UNITS_PER_WORD) -#endif - -/* Provide a reasonable default for the maximum size of an object to - allocate in the fixed frame. We may need to be able to make this - controllable by the user at some point. */ -#ifndef STACK_CHECK_MAX_VAR_SIZE -#define STACK_CHECK_MAX_VAR_SIZE (STACK_CHECK_MAX_FRAME_SIZE / 100) -#endif /* This structure is used to pass around information about exploded unary, binary and trinary expressions between expand_expr_real_1 and @@ -273,9 +137,9 @@ do { \ typedef struct separate_ops { enum tree_code code; + location_t location; tree type; tree op0, op1, op2; - location_t location; } *sepops; /* Functions from optabs.c, commonly used, and without need for the optabs @@ -309,9 +173,6 @@ extern rtx expand_simple_unop (enum machine_mode, enum rtx_code, rtx, rtx, perform the operation described by CODE and MODE. */ extern int have_insn_for (enum rtx_code, enum machine_mode); -extern rtx prepare_operand (int, rtx, int, enum machine_mode, enum machine_mode, - int); - /* Emit code to make a call to a constant function or a library call. */ extern void emit_libcall_block (rtx, rtx, rtx, rtx); @@ -627,8 +488,10 @@ extern rtx expand_call (tree, rtx, int); extern void fixup_tail_calls (void); #ifdef TREE_CODE -extern rtx expand_shift (enum tree_code, enum machine_mode, rtx, tree, rtx, - int); +extern rtx expand_variable_shift (enum tree_code, enum machine_mode, + rtx, tree, rtx, int); +extern rtx expand_shift (enum tree_code, enum machine_mode, rtx, int, rtx, + int); extern rtx expand_divmod (int, enum tree_code, enum machine_mode, rtx, rtx, rtx, int); #endif @@ -769,17 +632,19 @@ extern void anti_adjust_stack_and_probe (rtx, bool); enum save_level {SAVE_BLOCK, SAVE_FUNCTION, SAVE_NONLOCAL}; /* Save the stack pointer at the specified level. */ -extern void emit_stack_save (enum save_level, rtx *, rtx); +extern void emit_stack_save (enum save_level, rtx *); /* Restore the stack pointer from a save area of the specified level. */ -extern void emit_stack_restore (enum save_level, rtx, rtx); +extern void emit_stack_restore (enum save_level, rtx); /* Invoke emit_stack_save for the nonlocal_goto_save_area. */ extern void update_nonlocal_goto_save_area (void); -/* Allocate some space on the stack dynamically and return its address. An rtx - says how many bytes. */ -extern rtx allocate_dynamic_stack_space (rtx, rtx, int); +/* Allocate some space on the stack dynamically and return its address. */ +extern rtx allocate_dynamic_stack_space (rtx, unsigned, unsigned, bool); + +/* Emit one stack probe at ADDRESS, an address within the stack. */ +extern void emit_stack_probe (rtx); /* Probe a range of stack addresses from FIRST to FIRST+SIZE, inclusive. FIRST is a constant and size is a Pmode RTX. These are offsets from @@ -802,7 +667,7 @@ mode_for_extraction (enum extraction_pattern, int); extern void store_bit_field (rtx, unsigned HOST_WIDE_INT, unsigned HOST_WIDE_INT, enum machine_mode, rtx); extern rtx extract_bit_field (rtx, unsigned HOST_WIDE_INT, - unsigned HOST_WIDE_INT, int, rtx, + unsigned HOST_WIDE_INT, int, bool, rtx, enum machine_mode, enum machine_mode); extern rtx extract_low_bits (enum machine_mode, enum machine_mode, rtx); extern rtx expand_mult (enum machine_mode, rtx, rtx, rtx, int); @@ -828,6 +693,4 @@ extern tree build_libfunc_function (const char *); /* Get the personality libfunc for a function decl. */ rtx get_personality_function (tree); -extern int vector_mode_valid_p (enum machine_mode); - #endif /* GCC_EXPR_H */