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-rw-r--r--contrib/gcc/varray.c72
1 files changed, 59 insertions, 13 deletions
diff --git a/contrib/gcc/varray.c b/contrib/gcc/varray.c
index eef2234..51e3e8b 100644
--- a/contrib/gcc/varray.c
+++ b/contrib/gcc/varray.c
@@ -22,27 +22,59 @@
#include "config.h"
#include "errors.h"
#include "system.h"
-#include "rtl.h"
-#include "tree.h"
-#include "bitmap.h"
#include "varray.h"
+#include "ggc.h"
#define VARRAY_HDR_SIZE (sizeof (struct varray_head_tag) - sizeof (varray_data))
+static const size_t element_size[NUM_VARRAY_DATA] = {
+ sizeof (char),
+ sizeof (unsigned char),
+ sizeof (short),
+ sizeof (unsigned short),
+ sizeof (int),
+ sizeof (unsigned int),
+ sizeof (long),
+ sizeof (unsigned long),
+ sizeof (HOST_WIDE_INT),
+ sizeof (unsigned HOST_WIDE_INT),
+ sizeof (PTR),
+ sizeof (char *),
+ sizeof (struct rtx_def *),
+ sizeof (struct rtvec_def *),
+ sizeof (union tree_node *),
+ sizeof (struct bitmap_head_def *),
+ sizeof (struct reg_info_def *),
+ sizeof (struct const_equiv_data),
+ sizeof (struct basic_block_def *),
+ sizeof (struct elt_list *)
+};
+
+static const int uses_ggc[NUM_VARRAY_DATA] = {
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* unsigned HOST_WIDE_INT */
+ 1, /* PTR */
+ 1, 1, 1, 1, 1, /* bitmap_head_def */
+ 0, 0, 0, 1
+};
+
/* Allocate a virtual array with NUM_ELEMENT elements, each of which is
ELEMENT_SIZE bytes long, named NAME. Array elements are zeroed. */
varray_type
-varray_init (num_elements, element_size, name)
+varray_init (num_elements, element_kind, name)
size_t num_elements;
- size_t element_size;
+ enum varray_data_enum element_kind;
const char *name;
{
- size_t data_size = num_elements * element_size;
- varray_type ptr = (varray_type) xcalloc (VARRAY_HDR_SIZE + data_size, 1);
+ size_t data_size = num_elements * element_size[element_kind];
+ varray_type ptr;
+ if (uses_ggc [element_kind])
+ ptr = (varray_type) ggc_alloc_cleared (VARRAY_HDR_SIZE + data_size);
+ else
+ ptr = (varray_type) xcalloc (VARRAY_HDR_SIZE + data_size, 1);
ptr->num_elements = num_elements;
ptr->elements_used = 0;
- ptr->element_size = element_size;
+ ptr->type = element_kind;
ptr->name = name;
return ptr;
}
@@ -58,11 +90,14 @@ varray_grow (va, n)
if (n != old_elements)
{
- size_t element_size = va->element_size;
- size_t old_data_size = old_elements * element_size;
- size_t data_size = n * element_size;
-
- va = (varray_type) xrealloc ((char *) va, VARRAY_HDR_SIZE + data_size);
+ size_t elem_size = element_size[va->type];
+ size_t old_data_size = old_elements * elem_size;
+ size_t data_size = n * elem_size;
+
+ if (uses_ggc[va->type])
+ va = (varray_type) ggc_realloc (va, VARRAY_HDR_SIZE + data_size);
+ else
+ va = (varray_type) xrealloc ((char *) va, VARRAY_HDR_SIZE + data_size);
va->num_elements = n;
if (n > old_elements)
memset (&va->data.c[old_data_size], 0, data_size - old_data_size);
@@ -71,6 +106,17 @@ varray_grow (va, n)
return va;
}
+/* Reset a varray to its original state. */
+void
+varray_clear (va)
+ varray_type va;
+{
+ size_t data_size = element_size[va->type] * va->num_elements;
+
+ memset (va->data.c, 0, data_size);
+ va->elements_used = 0;
+}
+
/* Check the bounds of a varray access. */
#if defined ENABLE_CHECKING && (GCC_VERSION >= 2007)
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