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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.2.2/] [gcc/] [varray.h] - Rev 165
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/* Virtual array support. Copyright (C) 1998, 1999, 2000, 2002, 2003, 2004, 2007 Free Software Foundation, Inc. Contributed by Cygnus Solutions. This file is part of GCC. GCC is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3, or (at your option) any later version. GCC is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with GCC; see the file COPYING3. If not see <http://www.gnu.org/licenses/>. */ #ifndef GCC_VARRAY_H #define GCC_VARRAY_H #ifndef HOST_WIDE_INT #include "machmode.h" #endif #ifndef GCC_SYSTEM_H #include "system.h" #include "coretypes.h" #include "tm.h" #endif /* Enum indicating what the varray contains. If this is changed, `element' in varray.c needs to be updated. */ enum varray_data_enum { VARRAY_DATA_C, VARRAY_DATA_UC, VARRAY_DATA_S, VARRAY_DATA_US, VARRAY_DATA_I, VARRAY_DATA_U, VARRAY_DATA_L, VARRAY_DATA_UL, VARRAY_DATA_HINT, VARRAY_DATA_UHINT, VARRAY_DATA_GENERIC, VARRAY_DATA_GENERIC_NOGC, VARRAY_DATA_CPTR, VARRAY_DATA_RTX, VARRAY_DATA_RTVEC, VARRAY_DATA_TREE, VARRAY_DATA_BITMAP, VARRAY_DATA_REG, VARRAY_DATA_BB, VARRAY_DATA_TE, VARRAY_DATA_EDGE, VARRAY_DATA_TREE_PTR, NUM_VARRAY_DATA }; /* Union of various array types that are used. */ typedef union varray_data_tag GTY (()) { char GTY ((length ("%0.num_elements"), tag ("VARRAY_DATA_C"))) vdt_c[1]; unsigned char GTY ((length ("%0.num_elements"), tag ("VARRAY_DATA_UC"))) vdt_uc[1]; short GTY ((length ("%0.num_elements"), tag ("VARRAY_DATA_S"))) vdt_s[1]; unsigned short GTY ((length ("%0.num_elements"), tag ("VARRAY_DATA_US"))) vdt_us[1]; int GTY ((length ("%0.num_elements"), tag ("VARRAY_DATA_I"))) vdt_i[1]; unsigned int GTY ((length ("%0.num_elements"), tag ("VARRAY_DATA_U"))) vdt_u[1]; long GTY ((length ("%0.num_elements"), tag ("VARRAY_DATA_L"))) vdt_l[1]; unsigned long GTY ((length ("%0.num_elements"), tag ("VARRAY_DATA_UL"))) vdt_ul[1]; HOST_WIDE_INT GTY ((length ("%0.num_elements"), tag ("VARRAY_DATA_HINT"))) vdt_hint[1]; unsigned HOST_WIDE_INT GTY ((length ("%0.num_elements"), tag ("VARRAY_DATA_UHINT"))) vdt_uhint[1]; PTR GTY ((length ("%0.num_elements"), use_param, tag ("VARRAY_DATA_GENERIC"))) vdt_generic[1]; PTR GTY ((length ("%0.num_elements"), skip (""), tag ("VARRAY_DATA_GENERIC_NOGC"))) vdt_generic_nogc[1]; char *GTY ((length ("%0.num_elements"), tag ("VARRAY_DATA_CPTR"))) vdt_cptr[1]; rtx GTY ((length ("%0.num_elements"), tag ("VARRAY_DATA_RTX"))) vdt_rtx[1]; rtvec GTY ((length ("%0.num_elements"), tag ("VARRAY_DATA_RTVEC"))) vdt_rtvec[1]; tree GTY ((length ("%0.num_elements"), tag ("VARRAY_DATA_TREE"))) vdt_tree[1]; struct bitmap_head_def *GTY ((length ("%0.num_elements"), tag ("VARRAY_DATA_BITMAP"))) vdt_bitmap[1]; struct reg_info_def *GTY ((length ("%0.num_elements"), skip, tag ("VARRAY_DATA_REG"))) vdt_reg[1]; struct basic_block_def *GTY ((length ("%0.num_elements"), skip, tag ("VARRAY_DATA_BB"))) vdt_bb[1]; struct elt_list *GTY ((length ("%0.num_elements"), tag ("VARRAY_DATA_TE"))) vdt_te[1]; struct edge_def *GTY ((length ("%0.num_elements"), tag ("VARRAY_DATA_EDGE"))) vdt_e[1]; tree *GTY ((length ("%0.num_elements"), skip (""), tag ("VARRAY_DATA_TREE_PTR"))) vdt_tp[1]; } varray_data; /* Virtual array of pointers header. */ struct varray_head_tag GTY(()) { size_t num_elements; /* Maximum element number allocated. */ size_t elements_used; /* The number of elements used, if using VARRAY_PUSH/VARRAY_POP. */ enum varray_data_enum type; /* The kind of elements in the varray. */ const char *name; /* name of the varray for reporting errors */ varray_data GTY ((desc ("%0.type"))) data; /* The data elements follow, must be last. */ }; typedef struct varray_head_tag *varray_type; /* Allocate a virtual array with NUM elements, each of which is SIZE bytes long, named NAME. Array elements are zeroed. */ extern varray_type varray_init (size_t, enum varray_data_enum, const char *); #define VARRAY_CHAR_INIT(va, num, name) \ va = varray_init (num, VARRAY_DATA_C, name) #define VARRAY_UCHAR_INIT(va, num, name) \ va = varray_init (num, VARRAY_DATA_UC, name) #define VARRAY_SHORT_INIT(va, num, name) \ va = varray_init (num, VARRAY_DATA_S, name) #define VARRAY_USHORT_INIT(va, num, name) \ va = varray_init (num, VARRAY_DATA_US, name) #define VARRAY_INT_INIT(va, num, name) \ va = varray_init (num, VARRAY_DATA_I, name) #define VARRAY_UINT_INIT(va, num, name) \ va = varray_init (num, VARRAY_DATA_U, name) #define VARRAY_LONG_INIT(va, num, name) \ va = varray_init (num, VARRAY_DATA_L, name) #define VARRAY_ULONG_INIT(va, num, name) \ va = varray_init (num, VARRAY_DATA_UL, name) #define VARRAY_WIDE_INT_INIT(va, num, name) \ va = varray_init (num, VARRAY_DATA_HINT, name) #define VARRAY_UWIDE_INT_INIT(va, num, name) \ va = varray_init (num, VARRAY_DATA_UHINT, name) #define VARRAY_GENERIC_PTR_INIT(va, num, name) \ va = varray_init (num, VARRAY_DATA_GENERIC, name) #define VARRAY_GENERIC_PTR_NOGC_INIT(va, num, name) \ va = varray_init (num, VARRAY_DATA_GENERIC_NOGC, name) #define VARRAY_CHAR_PTR_INIT(va, num, name) \ va = varray_init (num, VARRAY_DATA_CPTR, name) #define VARRAY_RTX_INIT(va, num, name) \ va = varray_init (num, VARRAY_DATA_RTX, name) #define VARRAY_RTVEC_INIT(va, num, name) \ va = varray_init (num, VARRAY_DATA_RTVEC, name) #define VARRAY_TREE_INIT(va, num, name) \ va = varray_init (num, VARRAY_DATA_TREE, name) #define VARRAY_BITMAP_INIT(va, num, name) \ va = varray_init (num, VARRAY_DATA_BITMAP, name) #define VARRAY_REG_INIT(va, num, name) \ va = varray_init (num, VARRAY_DATA_REG, name) #define VARRAY_BB_INIT(va, num, name) \ va = varray_init (num, VARRAY_DATA_BB, name) #define VARRAY_ELT_LIST_INIT(va, num, name) \ va = varray_init (num, VARRAY_DATA_TE, name) #define VARRAY_EDGE_INIT(va, num, name) \ va = varray_init (num, VARRAY_DATA_EDGE, name) #define VARRAY_TREE_PTR_INIT(va, num, name) \ va = varray_init (num, VARRAY_DATA_TREE_PTR, name) /* Free up memory allocated by the virtual array, but do not free any of the elements involved. */ #define VARRAY_FREE(vp) \ do { if (vp) { free (vp); vp = (varray_type) 0; } } while (0) /* Grow/shrink the virtual array VA to N elements. */ extern varray_type varray_grow (varray_type, size_t); #define VARRAY_GROW(VA, N) ((VA) = varray_grow (VA, N)) #define VARRAY_SIZE(VA) ((VA)->num_elements) #define VARRAY_ACTIVE_SIZE(VA) ((VA)->elements_used) #define VARRAY_POP_ALL(VA) ((VA)->elements_used = 0) #define VARRAY_CLEAR(VA) varray_clear(VA) extern void varray_clear (varray_type); extern void dump_varray_statistics (void); /* Check for VARRAY_xxx macros being in bound. */ #if defined ENABLE_CHECKING && (GCC_VERSION >= 2007) extern void varray_check_failed (varray_type, size_t, const char *, int, const char *) ATTRIBUTE_NORETURN; extern void varray_underflow (varray_type, const char *, int, const char *) ATTRIBUTE_NORETURN; #define VARRAY_CHECK(VA, N, T) __extension__ \ (*({ varray_type const _va = (VA); \ const size_t _n = (N); \ if (_n >= _va->num_elements) \ varray_check_failed (_va, _n, __FILE__, __LINE__, __FUNCTION__); \ &_va->data.T[_n]; })) #define VARRAY_POP(VA) do { \ varray_type const _va = (VA); \ if (_va->elements_used == 0) \ varray_underflow (_va, __FILE__, __LINE__, __FUNCTION__); \ else \ _va->elements_used--; \ } while (0) #else #define VARRAY_CHECK(VA, N, T) ((VA)->data.T[N]) /* Pop the top element of VA. */ #define VARRAY_POP(VA) do { ((VA)->elements_used--); } while (0) #endif /* Push X onto VA. T is the name of the field in varray_data corresponding to the type of X. */ #define VARRAY_PUSH(VA, T, X) \ do \ { \ if ((VA)->elements_used >= (VA)->num_elements) \ VARRAY_GROW ((VA), 2 * (VA)->num_elements); \ (VA)->data.T[(VA)->elements_used++] = (X); \ } \ while (0) #define VARRAY_CHAR(VA, N) VARRAY_CHECK (VA, N, vdt_c) #define VARRAY_UCHAR(VA, N) VARRAY_CHECK (VA, N, vdt_uc) #define VARRAY_SHORT(VA, N) VARRAY_CHECK (VA, N, vdt_s) #define VARRAY_USHORT(VA, N) VARRAY_CHECK (VA, N, vdt_us) #define VARRAY_INT(VA, N) VARRAY_CHECK (VA, N, vdt_i) #define VARRAY_UINT(VA, N) VARRAY_CHECK (VA, N, vdt_u) #define VARRAY_LONG(VA, N) VARRAY_CHECK (VA, N, vdt_l) #define VARRAY_ULONG(VA, N) VARRAY_CHECK (VA, N, vdt_ul) #define VARRAY_WIDE_INT(VA, N) VARRAY_CHECK (VA, N, vdt_hint) #define VARRAY_UWIDE_INT(VA, N) VARRAY_CHECK (VA, N, vdt_uhint) #define VARRAY_GENERIC_PTR(VA,N) VARRAY_CHECK (VA, N, vdt_generic) #define VARRAY_GENERIC_PTR_NOGC(VA,N) VARRAY_CHECK (VA, N, vdt_generic_nogc) #define VARRAY_CHAR_PTR(VA,N) VARRAY_CHECK (VA, N, vdt_cptr) #define VARRAY_RTX(VA, N) VARRAY_CHECK (VA, N, vdt_rtx) #define VARRAY_RTVEC(VA, N) VARRAY_CHECK (VA, N, vdt_rtvec) #define VARRAY_TREE(VA, N) VARRAY_CHECK (VA, N, vdt_tree) #define VARRAY_BITMAP(VA, N) VARRAY_CHECK (VA, N, vdt_bitmap) #define VARRAY_REG(VA, N) VARRAY_CHECK (VA, N, vdt_reg) #define VARRAY_BB(VA, N) VARRAY_CHECK (VA, N, vdt_bb) #define VARRAY_ELT_LIST(VA, N) VARRAY_CHECK (VA, N, vdt_te) #define VARRAY_EDGE(VA, N) VARRAY_CHECK (VA, N, vdt_e) #define VARRAY_TREE_PTR(VA, N) VARRAY_CHECK (VA, N, vdt_tp) /* Push a new element on the end of VA, extending it if necessary. */ #define VARRAY_PUSH_CHAR(VA, X) VARRAY_PUSH (VA, vdt_c, X) #define VARRAY_PUSH_UCHAR(VA, X) VARRAY_PUSH (VA, vdt_uc, X) #define VARRAY_PUSH_SHORT(VA, X) VARRAY_PUSH (VA, vdt_s, X) #define VARRAY_PUSH_USHORT(VA, X) VARRAY_PUSH (VA, vdt_us, X) #define VARRAY_PUSH_INT(VA, X) VARRAY_PUSH (VA, vdt_i, X) #define VARRAY_PUSH_UINT(VA, X) VARRAY_PUSH (VA, vdt_u, X) #define VARRAY_PUSH_LONG(VA, X) VARRAY_PUSH (VA, vdt_l, X) #define VARRAY_PUSH_ULONG(VA, X) VARRAY_PUSH (VA, vdt_ul, X) #define VARRAY_PUSH_WIDE_INT(VA, X) VARRAY_PUSH (VA, vdt_hint, X) #define VARRAY_PUSH_UWIDE_INT(VA, X) VARRAY_PUSH (VA, vdt_uhint, X) #define VARRAY_PUSH_GENERIC_PTR(VA, X) VARRAY_PUSH (VA, vdt_generic, X) #define VARRAY_PUSH_GENERIC_PTR_NOGC(VA, X) VARRAY_PUSH (VA, vdt_generic_nogc, X) #define VARRAY_PUSH_CHAR_PTR(VA, X) VARRAY_PUSH (VA, vdt_cptr, X) #define VARRAY_PUSH_RTX(VA, X) VARRAY_PUSH (VA, vdt_rtx, X) #define VARRAY_PUSH_RTVEC(VA, X) VARRAY_PUSH (VA, vdt_rtvec, X) #define VARRAY_PUSH_TREE(VA, X) VARRAY_PUSH (VA, vdt_tree, X) #define VARRAY_PUSH_BITMAP(VA, X) VARRAY_PUSH (VA, vdt_bitmap, X) #define VARRAY_PUSH_REG(VA, X) VARRAY_PUSH (VA, vdt_reg, X) #define VARRAY_PUSH_BB(VA, X) VARRAY_PUSH (VA, vdt_bb, X) #define VARRAY_PUSH_EDGE(VA, X) VARRAY_PUSH (VA, vdt_e, X) #define VARRAY_PUSH_TREE_PTR(VA, X) VARRAY_PUSH (VA, vdt_tp, X) /* Return the last element of VA. */ #define VARRAY_TOP(VA, T) VARRAY_CHECK(VA, (VA)->elements_used - 1, T) #define VARRAY_TOP_CHAR(VA) VARRAY_TOP (VA, vdt_c) #define VARRAY_TOP_UCHAR(VA) VARRAY_TOP (VA, vdt_uc) #define VARRAY_TOP_SHORT(VA) VARRAY_TOP (VA, vdt_s) #define VARRAY_TOP_USHORT(VA) VARRAY_TOP (VA, vdt_us) #define VARRAY_TOP_INT(VA) VARRAY_TOP (VA, vdt_i) #define VARRAY_TOP_UINT(VA) VARRAY_TOP (VA, vdt_u) #define VARRAY_TOP_LONG(VA) VARRAY_TOP (VA, vdt_l) #define VARRAY_TOP_ULONG(VA) VARRAY_TOP (VA, vdt_ul) #define VARRAY_TOP_WIDE_INT(VA) VARRAY_TOP (VA, vdt_hint) #define VARRAY_TOP_UWIDE_INT(VA) VARRAY_TOP (VA, vdt_uhint) #define VARRAY_TOP_GENERIC_PTR(VA) VARRAY_TOP (VA, vdt_generic) #define VARRAY_TOP_GENERIC_PTR_NOGC(VA) VARRAY_TOP (VA, vdt_generic_nogc) #define VARRAY_TOP_CHAR_PTR(VA) VARRAY_TOP (VA, vdt_cptr) #define VARRAY_TOP_RTX(VA) VARRAY_TOP (VA, vdt_rtx) #define VARRAY_TOP_RTVEC(VA) VARRAY_TOP (VA, vdt_rtvec) #define VARRAY_TOP_TREE(VA) VARRAY_TOP (VA, vdt_tree) #define VARRAY_TOP_BITMAP(VA) VARRAY_TOP (VA, vdt_bitmap) #define VARRAY_TOP_REG(VA) VARRAY_TOP (VA, vdt_reg) #define VARRAY_TOP_BB(VA) VARRAY_TOP (VA, vdt_bb) #define VARRAY_TOP_EDGE(VA) VARRAY_TOP (VA, vdt_e) #define VARRAY_TOP_TREE_PTR(VA) VARRAY_TOP (VA, vdt_tp) #endif /* ! GCC_VARRAY_H */
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