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* config/freebsd-spec.h (FBSD_CPP_PREDEFINES): Remove.
[pf3gnuchains/gcc-fork.git] / gcc / bitmap.h
index ed40299..85f8239 100644 (file)
@@ -1,5 +1,5 @@
 /* Functions to support general ended bitmaps.
-   Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002
+   Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003
    Free Software Foundation, Inc.
 
 This file is part of GCC.
@@ -22,10 +22,18 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
 #ifndef GCC_BITMAP_H
 #define GCC_BITMAP_H
 
+/* Fundamental storage type for bitmap.  */
+
+/* typedef unsigned HOST_WIDE_INT BITMAP_WORD; */
+/* #define nBITMAP_WORD_BITS HOST_BITS_PER_WIDE_INT */
+typedef unsigned long BITMAP_WORD;
+#define nBITMAP_WORD_BITS (CHAR_BIT * SIZEOF_LONG)
+#define BITMAP_WORD_BITS (unsigned) nBITMAP_WORD_BITS
+
 /* Number of words to use for each element in the linked list.  */
 
 #ifndef BITMAP_ELEMENT_WORDS
-#define BITMAP_ELEMENT_WORDS 2
+#define BITMAP_ELEMENT_WORDS ((128 + nBITMAP_WORD_BITS - 1) / nBITMAP_WORD_BITS)
 #endif
 
 /* Number of bits in each actual element of a bitmap.  We get slightly better
@@ -33,7 +41,7 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
    bits is unsigned, assuming it is a power of 2.  */
 
 #define BITMAP_ELEMENT_ALL_BITS \
-  ((unsigned) (BITMAP_ELEMENT_WORDS * HOST_BITS_PER_WIDE_INT))
+  ((unsigned) (BITMAP_ELEMENT_WORDS * BITMAP_WORD_BITS))
 
 /* Bitmap set element.  We use a linked list to hold only the bits that
    are set.  This allows for use to grow the bitset dynamically without
@@ -45,7 +53,7 @@ typedef struct bitmap_element_def GTY(())
   struct bitmap_element_def *next;             /* Next element.  */
   struct bitmap_element_def *prev;             /* Previous element.  */
   unsigned int indx;                   /* regno/BITMAP_ELEMENT_ALL_BITS.  */
-  unsigned HOST_WIDE_INT bits[BITMAP_ELEMENT_WORDS]; /* Bits that are set.  */
+  BITMAP_WORD bits[BITMAP_ELEMENT_WORDS]; /* Bits that are set.  */
 } bitmap_element;
 
 /* Head of bitmap linked list.  */
@@ -162,9 +170,8 @@ do {                                                \
 do {                                                                   \
   bitmap_element *ptr_ = (BITMAP)->first;                              \
   unsigned int indx_ = (MIN) / BITMAP_ELEMENT_ALL_BITS;                        \
-  unsigned bit_num_ = (MIN) % ((unsigned) HOST_BITS_PER_WIDE_INT);     \
-  unsigned word_num_ = (((MIN) / ((unsigned) HOST_BITS_PER_WIDE_INT))  \
-                       % BITMAP_ELEMENT_WORDS);                        \
+  unsigned bit_num_ = (MIN) % BITMAP_WORD_BITS;                                \
+  unsigned word_num_ = (MIN) / BITMAP_WORD_BITS % BITMAP_ELEMENT_WORDS;        \
                                                                        \
                                                                        \
   /* Find the block the minimum bit is in.  */                         \
@@ -181,20 +188,19 @@ do {                                                                      \
     {                                                                  \
       for (; word_num_ < BITMAP_ELEMENT_WORDS; word_num_++)            \
        {                                                               \
-         unsigned HOST_WIDE_INT word_ = ptr_->bits[word_num_];         \
+         BITMAP_WORD word_ = ptr_->bits[word_num_];                    \
                                                                        \
          if (word_ != 0)                                               \
            {                                                           \
-             for (; bit_num_ < HOST_BITS_PER_WIDE_INT; bit_num_++)     \
+             for (; bit_num_ < BITMAP_WORD_BITS; bit_num_++)           \
                {                                                       \
-                 unsigned HOST_WIDE_INT mask_                          \
-                   = ((unsigned HOST_WIDE_INT) 1) << bit_num_;         \
+                 BITMAP_WORD mask_ = ((BITMAP_WORD) 1) << bit_num_;    \
                                                                        \
                  if ((word_ & mask_) != 0)                             \
                    {                                                   \
                      word_ &= ~ mask_;                                 \
                      (BITNUM) = (ptr_->indx * BITMAP_ELEMENT_ALL_BITS  \
-                                 + word_num_ * HOST_BITS_PER_WIDE_INT  \
+                                 + word_num_ * BITMAP_WORD_BITS        \
                                  + bit_num_);                          \
                      CODE;                                             \
                                                                        \
@@ -220,9 +226,8 @@ do {                                                                        \
   bitmap_element *ptr1_ = (BITMAP1)->first;                            \
   bitmap_element *ptr2_ = (BITMAP2)->first;                            \
   unsigned int indx_ = (MIN) / BITMAP_ELEMENT_ALL_BITS;                        \
-  unsigned bit_num_ = (MIN) % ((unsigned) HOST_BITS_PER_WIDE_INT);     \
-  unsigned word_num_ = (((MIN) / ((unsigned) HOST_BITS_PER_WIDE_INT))  \
-                       % BITMAP_ELEMENT_WORDS);                        \
+  unsigned bit_num_ = (MIN) % BITMAP_WORD_BITS;                                \
+  unsigned word_num_ = (MIN) / BITMAP_WORD_BITS % BITMAP_ELEMENT_WORDS;        \
                                                                        \
   /* Find the block the minimum bit is in in the first bitmap.  */     \
   while (ptr1_ != 0 && ptr1_->indx < indx_)                            \
@@ -248,20 +253,19 @@ do {                                                                      \
                                                                        \
       for (; word_num_ < BITMAP_ELEMENT_WORDS; word_num_++)            \
        {                                                               \
-         unsigned HOST_WIDE_INT word_ = (ptr1_->bits[word_num_]        \
-                                         & ~ tmp2_->bits[word_num_]);  \
+         BITMAP_WORD word_ = (ptr1_->bits[word_num_]                   \
+                              & ~ tmp2_->bits[word_num_]);             \
          if (word_ != 0)                                               \
            {                                                           \
-             for (; bit_num_ < HOST_BITS_PER_WIDE_INT; bit_num_++)     \
+             for (; bit_num_ < BITMAP_WORD_BITS; bit_num_++)           \
                {                                                       \
-                 unsigned HOST_WIDE_INT mask_                          \
-                   = ((unsigned HOST_WIDE_INT)1) << bit_num_;          \
+                 BITMAP_WORD mask_ = ((BITMAP_WORD) 1) << bit_num_;    \
                                                                        \
                  if ((word_ & mask_) != 0)                             \
                    {                                                   \
                      word_ &= ~ mask_;                                 \
                      (BITNUM) = (ptr1_->indx * BITMAP_ELEMENT_ALL_BITS \
-                                 + word_num_ * HOST_BITS_PER_WIDE_INT  \
+                                 + word_num_ * BITMAP_WORD_BITS        \
                                  + bit_num_);                          \
                                                                        \
                      CODE;                                             \
@@ -287,9 +291,8 @@ do {                                                                        \
   bitmap_element *ptr1_ = (BITMAP1)->first;                            \
   bitmap_element *ptr2_ = (BITMAP2)->first;                            \
   unsigned int indx_ = (MIN) / BITMAP_ELEMENT_ALL_BITS;                        \
-  unsigned bit_num_ = (MIN) % ((unsigned) HOST_BITS_PER_WIDE_INT);     \
-  unsigned word_num_ = (((MIN) / ((unsigned) HOST_BITS_PER_WIDE_INT))  \
-                       % BITMAP_ELEMENT_WORDS);                        \
+  unsigned bit_num_ = (MIN) % BITMAP_WORD_BITS;                                \
+  unsigned word_num_ = (MIN) / BITMAP_WORD_BITS % BITMAP_ELEMENT_WORDS;        \
                                                                        \
   /* Find the block the minimum bit is in in the first bitmap.  */     \
   while (ptr1_ != 0 && ptr1_->indx < indx_)                            \
@@ -321,20 +324,19 @@ do {                                                                      \
                                                                        \
       for (; word_num_ < BITMAP_ELEMENT_WORDS; word_num_++)            \
        {                                                               \
-         unsigned HOST_WIDE_INT word_ = (ptr1_->bits[word_num_]        \
-                                         & ptr2_->bits[word_num_]);    \
+         BITMAP_WORD word_ = (ptr1_->bits[word_num_]                   \
+                              & ptr2_->bits[word_num_]);               \
          if (word_ != 0)                                               \
            {                                                           \
-             for (; bit_num_ < HOST_BITS_PER_WIDE_INT; bit_num_++)     \
+             for (; bit_num_ < BITMAP_WORD_BITS; bit_num_++)           \
                {                                                       \
-                 unsigned HOST_WIDE_INT mask_                          \
-                   = ((unsigned HOST_WIDE_INT)1) << bit_num_;          \
+                 BITMAP_WORD mask_ = ((BITMAP_WORD) 1) << bit_num_;    \
                                                                        \
                  if ((word_ & mask_) != 0)                             \
                    {                                                   \
                      word_ &= ~ mask_;                                 \
                      (BITNUM) = (ptr1_->indx * BITMAP_ELEMENT_ALL_BITS \
-                                 + word_num_ * HOST_BITS_PER_WIDE_INT  \
+                                 + word_num_ * BITMAP_WORD_BITS        \
                                  + bit_num_);                          \
                                                                        \
                      CODE;                                             \