diff options
author | Steven Bosscher <steven@gcc.gnu.org> | 2010-06-02 22:05:45 +0000 |
---|---|---|
committer | Steven Bosscher <steven@gcc.gnu.org> | 2010-06-02 22:05:45 +0000 |
commit | 77ec4307409a0cda1a8feb4d2e5853cde6ec584e (patch) | |
tree | c1c77f65435de36762d2a4bc8d60a37fd1060319 /gcc/expr.h | |
parent | 3f7c0b1bc39daf8a1ba4c3d306ab8832ff967a93 (diff) | |
download | gcc-77ec4307409a0cda1a8feb4d2e5853cde6ec584e.zip gcc-77ec4307409a0cda1a8feb4d2e5853cde6ec584e.tar.gz gcc-77ec4307409a0cda1a8feb4d2e5853cde6ec584e.tar.bz2 |
mkconfig.sh: Include insn-flags.h and insn-constants.h before defaults.h.
* mkconfig.sh: Include insn-flags.h and insn-constants.h before
defaults.h.
* except.h: Move MUST_USE_SJLJ_EXCEPTIONS and USING_SJLJ_EXCEPTIONS
to defaults.h
* expr.h (BRANCH_COST, MOVE_RATIO, CLEAR_RATIO, SET_RATIO,
DEFAULT_FUNCTION_ARG_PADDING, FUNCTION_ARG_PADDING,
FUNCTION_ARG_BOUNDARY, STACK_SAVEAREA_MODE, STACK_SIZE_MODE,
STACK_CHECK_BUILTIN, STACK_CHECK_STATIC_BUILTIN,
STACK_CHECK_PROBE_INTERVAL_EXP, STACK_CHECK_MOVING_SP,
STACK_OLD_CHECK_PROTECT, STACK_CHECK_PROTECT,
STACK_CHECK_MAX_FRAME_SIZE, STACK_CHECK_FIXED_FRAME_SIZE,
STACK_CHECK_MAX_VAR_SIZE): Move target macro defaults to defaults.h.
* defaults.h: Updated for above mentioned changes.
From-SVN: r160195
Diffstat (limited to 'gcc/expr.h')
-rw-r--r-- | gcc/expr.h | 136 |
1 files changed, 0 insertions, 136 deletions
@@ -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 |