+++ /dev/null
-/*
- * Copyright (C) 1995-2007 University of Karlsruhe. All right reserved.
- *
- * This file is part of libFirm.
- *
- * This file may be distributed and/or modified under the terms of the
- * GNU General Public License version 2 as published by the Free Software
- * Foundation and appearing in the file LICENSE.GPL included in the
- * packaging of this file.
- *
- * Licensees holding valid libFirm Professional Edition licenses may use
- * this file in accordance with the libFirm Commercial License.
- * Agreement provided with the Software.
- *
- * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
- * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE.
- */
-
-/**
- * @file
- * @brief Array --- dynamic & flexible arrays.
- * @author Markus Armbruster
- * @version $Id$
- */
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#ifdef HAVE_STDLIB_H
-# include <stdlib.h>
-#endif
-
-#include "array.h"
-#include "xmalloc.h"
-
-/* Undefine the macros to get the functions instead, cf tmalloc.c. */
-#undef xmalloc
-#undef xrealloc
-#undef xstrdup
-#undef xfree
-
-#ifndef MAX
-# define MAX(a,b) ((a) > (b) ? (a) : (b))
-#endif
-#ifndef MIN
-# define MIN(a,b) ((a) > (b) ? (b) : (a))
-#endif
-
-/**
- * An empty dynamic array descriptor.
- */
-_arr_descr arr_mt_descr
-#ifndef NDEBUG
- = { ARR_D_MAGIC, 0, {0}, 0, {{{0}}} }
-#endif
-;
-
-/**
- * Creates a dynamic array on a obstack.
- *
- * @param obstack An struct obstack * were the data will be allocated
- * @param nelts The number of elements
- * @param elts_size The size of the array elements.
- *
- * @return A pointer to the dynamic array (can be used as a pointer to the
- * first element of this array).
- *
- * @remark Helper function, use NEW_ARR_D() instead.
- */
-void *
-_new_arr_d (struct obstack *obstack, int nelts, size_t elts_size)
-{
- _arr_descr *new;
-
- assert (obstack && (nelts >= 0));
-
- new = obstack_alloc (obstack, _ARR_ELTS_OFFS+elts_size);
- _ARR_SET_DBGINF (new, ARR_D_MAGIC, elts_size/nelts);
- new->u.obstack = obstack;
- new->nelts = nelts;
- return new->v.elts;
-}
-
-/**
- * Creates a flexible array.
- *
- * @param nelts The number of elements
- * @param elts_size The size of the array elements.
- *
- * @return A pointer to the flexible array (can be used as a pointer to the
- * first element of this array).
- *
- * @remark Helper function, use NEW_ARR_F() instead.
- */
-void *
-_new_arr_f (int nelts, size_t elts_size)
-{
- _arr_descr *new;
-
- assert (nelts >= 0);
- new = xmalloc (_ARR_ELTS_OFFS+elts_size);
- _ARR_SET_DBGINF (new, ARR_F_MAGIC, nelts ? elts_size/nelts : 0);
- new->u.allocated = new->nelts = nelts;
- return new->v.elts;
-}
-
-/**
- * Delete a flexible array.
- *
- * @param elts The flexible array (pointer to the first element).
- *
- * @remark Helper function, use DEL_ARR_F() instead.
- */
-void
-_del_arr_f (void *elts)
-{
- _arr_descr *dp = _ARR_DESCR (elts);
-
- ARR_VRFY (elts);
- assert (dp->magic == ARR_F_MAGIC);
-
-#ifndef NDEBUG
- dp->magic = 0xdeadbeef;
-#endif
- free (dp);
-}
-
-/**
- * Resize a flexible array, always reallocate data.
- *
- * @param elts The flexible array (pointer to the first element).
- * @param nelts The new number of elements.
- * @param elts_size The size of the array elements.
- *
- * @return A resized flexible array, possibly other address than
- * elts.
- *
- * @remark Helper function, use ARR_SETLEN() instead.
- */
-void *
-_arr_setlen (void *elts, int nelts, size_t elts_size)
-{
- _arr_descr *dp = _ARR_DESCR (elts);
-
- assert ((dp->magic == ARR_F_MAGIC) && (nelts >= 0));
- ARR_VRFY (elts);
- assert (!dp->eltsize || !nelts || (dp->eltsize == elts_size/nelts));
-
- dp = xrealloc (dp, _ARR_ELTS_OFFS+elts_size);
- dp->u.allocated = dp->nelts = nelts;
-
- return dp->v.elts;
-}
-
-/**
- * Resize a flexible array, allocate more data if needed but do NOT
- * reduce.
- *
- * @param elts The flexible array (pointer to the first element).
- * @param nelts The new number of elements.
- * @param eltsize The size of the array elements.
- *
- * @return A resized flexible array, possibly other address than
- * elts.
- *
- * @remark Helper function, use ARR_RESIZE() instead.
- */
-void *
-_arr_resize (void *elts, int nelts, size_t eltsize)
-{
- _arr_descr *dp = _ARR_DESCR (elts);
- int n;
-
- assert ((dp->magic == ARR_F_MAGIC) && (nelts >= 0));
- ARR_VRFY (elts);
- assert (dp->eltsize ? dp->eltsize == eltsize : (dp->eltsize = eltsize, 1));
-
- /* @@@ lots of resizes for small nelts */
- n = MAX (1, dp->u.allocated);
- while (nelts > n) n <<= 1;
- while (3*nelts < n) n >>= 1;
- assert (n >= nelts);
-
- if (n != dp->u.allocated) {
- dp = xrealloc (dp, _ARR_ELTS_OFFS+eltsize*n);
- dp->u.allocated = n;
-#if defined(DEBUG) && defined(HAVE_GNU_MALLOC)
- } else {
- tmalloc_tag = NULL;
-#endif
- }
- dp->nelts = nelts;
-
- return dp->v.elts;
-}
-
-#ifdef DEBUG_libfirm
-/**
- * This function returns the length of a flexible array.
- * Do NOT use is in code, use ARR_LEN() macro!
- * This function is intended to be called from a debugger.
- */
-int array_len(void *arr) {
- return ARR_LEN(arr);
-}
-
-/**
- * This function returns the array descriptor of a flexible array.
- * Do NOT use is in code!.
- * This function is intended to be called from a debugger.
- */
-_arr_descr *array_descr(void *arr) {
- if (! arr)
- return NULL;
- return _ARR_DESCR(arr);
-}
-#endif /* DEBUG_libfirm */
static void bitfield_store_to_firm(dbg_info *dbgi,
ir_entity *entity, ir_node *addr, ir_node *value, bool set_volatile)
{
- ir_mode *mode = get_irn_mode(value);
+ ir_type *entity_type = get_entity_type(entity);
+ ir_type *base_type = get_primitive_base_type(entity_type);
+ assert(base_type != NULL);
+ ir_mode *mode = get_type_mode(base_type);
+
+ value = create_conv(dbgi, value, mode);
/* kill upper bits of value and shift to right position */
- int bitoffset = get_entity_offset_bits_remainder(entity);
- ir_type *entity_type = get_entity_type(entity);
- int bitsize = get_mode_size_bits(get_type_mode(entity_type));
+ int bitoffset = get_entity_offset_bits_remainder(entity);
+ int bitsize = get_mode_size_bits(get_type_mode(entity_type));
tarval *mask = create_bitfield_mask(mode, 0, bitsize);
ir_node *mask_node = new_d_Const(dbgi, mode, mask);
}
}
-static bool needs_bitfield_store(ir_entity *entity)
-{
- int bitoffset = get_entity_offset_bits_remainder(entity);
- if (bitoffset > 0)
- return true;
-
- ir_type *entity_type = get_entity_type(entity);
- int bitsize = get_mode_size_bits(get_type_mode(entity_type));
- if (!is_po2(bitsize) || bitsize < 8)
- return true;
-
- return false;
-}
-
static void create_dynamic_initializer_sub(ir_initializer_t *initializer,
ir_entity *entity, ir_type *type, dbg_info *dbgi, ir_node *base_addr)
{
return;
}
case IR_INITIALIZER_CONST: {
- ir_node *node = get_initializer_const_value(initializer);
- ir_mode *mode = get_irn_mode(node);
+ ir_node *node = get_initializer_const_value(initializer);
+ ir_mode *mode = get_irn_mode(node);
+ ir_type *ent_type = get_entity_type(entity);
- if (needs_bitfield_store(entity)) {
+ /* is it a bitfield type? */
+ if (get_primitive_base_type(ent_type) != NULL) {
bitfield_store_to_firm(dbgi, entity, base_addr, node, false);
return;
}
return;
}
case IR_INITIALIZER_TARVAL: {
- tarval *tv = get_initializer_tarval_value(initializer);
- ir_mode *mode = get_tarval_mode(tv);
- ir_node *cnst = new_d_Const(dbgi, mode, tv);
+ tarval *tv = get_initializer_tarval_value(initializer);
+ ir_mode *mode = get_tarval_mode(tv);
+ ir_node *cnst = new_d_Const(dbgi, mode, tv);
+ ir_type *ent_type = get_entity_type(entity);
- if (needs_bitfield_store(entity)) {
+ /* is it a bitfield type? */
+ if (get_primitive_base_type(ent_type) != NULL) {
bitfield_store_to_firm(dbgi, entity, base_addr, cnst, false);
return;
}