diff options
Diffstat (limited to 'gcc/loop.h')
| -rw-r--r-- | gcc/loop.h | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/gcc/loop.h b/gcc/loop.h index 362013f3978..20d6e826be6 100644 --- a/gcc/loop.h +++ b/gcc/loop.h @@ -51,6 +51,7 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA #define REGNO_FIRST_LUID(REGNO) uid_luid[REGNO_FIRST_UID (REGNO)] #define REGNO_LAST_LUID(REGNO) uid_luid[REGNO_LAST_UID (REGNO)] +#define REGNO_LAST_NOTE_LUID(REGNO) uid_luid[REGNO_LAST_NOTE_UID (REGNO)] /* A "basic induction variable" or biv is a pseudo reg that is set @@ -143,9 +144,12 @@ 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 |