diff options
Diffstat (limited to 'contrib/gcc/loop.h')
| -rw-r--r-- | contrib/gcc/loop.h | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/contrib/gcc/loop.h b/contrib/gcc/loop.h index 362013f..1dffddd 100644 --- a/contrib/gcc/loop.h +++ b/contrib/gcc/loop.h @@ -143,9 +143,12 @@ struct induction based on the same biv. For bivs, links together all biv entries that refer to the same biv register. */ - struct induction *same; /* If this giv has been combined with another - giv, this points to the base giv. The base - giv will have COMBINED_WITH nonzero. */ + struct induction *same; /* For givs, if the giv has been combined with + another giv, this points to the base giv. + The base giv will have COMBINED_WITH nonzero. + For bivs, if the biv has the same LOCATION + than another biv, this points to the base + biv. */ HOST_WIDE_INT const_adjust; /* Used by loop unrolling, when an address giv is split, and a constant is eliminated from the address, the -constant is stored here |
