diff options
Diffstat (limited to 'gcc/bitmap.c')
| -rw-r--r-- | gcc/bitmap.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/gcc/bitmap.c b/gcc/bitmap.c index 6c6c978..99b5f5a 100644 --- a/gcc/bitmap.c +++ b/gcc/bitmap.c @@ -395,10 +395,12 @@ bitmap_operation (to, from1, from2, operation) bitmap from2; enum bitmap_bits operation; { +#define HIGHEST_INDEX (unsigned int) ~0 + bitmap_element *from1_ptr = from1->first; bitmap_element *from2_ptr = from2->first; - unsigned int indx1 = (from1_ptr) ? from1_ptr->indx : -1; - unsigned int indx2 = (from2_ptr) ? from2_ptr->indx : -1; + unsigned int indx1 = (from1_ptr) ? from1_ptr->indx : HIGHEST_INDEX; + unsigned int indx2 = (from2_ptr) ? from2_ptr->indx : HIGHEST_INDEX; bitmap_element *to_ptr = to->first; bitmap_element *from1_tmp; bitmap_element *from2_tmp; @@ -449,9 +451,9 @@ bitmap_operation (to, from1, from2, operation) from1_tmp = from1_ptr; from2_tmp = from2_ptr; from1_ptr = from1_ptr->next; - indx1 = (from1_ptr) ? from1_ptr->indx : -1; + indx1 = (from1_ptr) ? from1_ptr->indx : HIGHEST_INDEX; from2_ptr = from2_ptr->next; - indx2 = (from2_ptr) ? from2_ptr->indx : -1; + indx2 = (from2_ptr) ? from2_ptr->indx : HIGHEST_INDEX; } else if (indx1 < indx2) { @@ -459,7 +461,7 @@ bitmap_operation (to, from1, from2, operation) from1_tmp = from1_ptr; from2_tmp = &bitmap_zero; from1_ptr = from1_ptr->next; - indx1 = (from1_ptr) ? from1_ptr->indx : -1; + indx1 = (from1_ptr) ? from1_ptr->indx : HIGHEST_INDEX; } else { @@ -467,7 +469,7 @@ bitmap_operation (to, from1, from2, operation) from1_tmp = &bitmap_zero; from2_tmp = from2_ptr; from2_ptr = from2_ptr->next; - indx2 = (from2_ptr) ? from2_ptr->indx : -1; + indx2 = (from2_ptr) ? from2_ptr->indx : HIGHEST_INDEX; } /* Find the appropriate element from TO. Begin by discarding |