Skip to content

R
riscv-gcc-1
Commit 393f3ad5 by Richard Henderson
Options

* sbitmap.c (sbitmap_ones): Don't set too many bits. 

From-SVN: r29807
parent 4afd5254
Showing with 10 additions and 1 deletions
gcc/sbitmap.c
...@@ -115,7 +115,16 @@ void ...@@ -115,7 +115,16 @@ void
sbitmap_ones (bmap) sbitmap_ones (bmap)
sbitmap bmap; sbitmap bmap;
{ {
unsigned int last_bit;
memset (bmap->elms, -1, bmap->bytes); memset (bmap->elms, -1, bmap->bytes);
last_bit = bmap->n_bits % (unsigned) SBITMAP_ELT_BITS;
if (last_bit)
{
bmap->elms[bmap->size - 1]
= (SBITMAP_ELT_TYPE)-1 >> (SBITMAP_ELT_BITS - last_bit);
}
} }
/* Zero a vector of N_VECS bitmaps. */ /* Zero a vector of N_VECS bitmaps. */
...@@ -208,7 +217,7 @@ sbitmap_difference (dst, a, b) ...@@ -208,7 +217,7 @@ sbitmap_difference (dst, a, b)
*dstp++ = *ap++ & (~*bp++); *dstp++ = *ap++ & (~*bp++);
} }
/* Set DST to be (A and B)). /* Set DST to be (A and B).
Return non-zero if any change is made. */ Return non-zero if any change is made. */
int int
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment