diff options
Diffstat (limited to 'gcc/resource.c')
| -rw-r--r-- | gcc/resource.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/gcc/resource.c b/gcc/resource.c index a248989fd67..e7b5e47db29 100644 --- a/gcc/resource.c +++ b/gcc/resource.c @@ -100,11 +100,17 @@ update_live_status (rtx dest, rtx x, void *data ATTRIBUTE_UNUSED) return; if (GET_CODE (dest) == SUBREG) - first_regno = subreg_regno (dest); - else - first_regno = REGNO (dest); + { + first_regno = subreg_regno (dest); + last_regno = first_regno + subreg_nregs (dest); - last_regno = first_regno + hard_regno_nregs[first_regno][GET_MODE (dest)]; + } + else + { + first_regno = REGNO (dest); + last_regno + = first_regno + hard_regno_nregs[first_regno][GET_MODE (dest)]; + } if (GET_CODE (x) == CLOBBER) for (i = first_regno; i < last_regno; i++) @@ -230,8 +236,7 @@ mark_referenced_resources (rtx x, struct resources *res, else { unsigned int regno = subreg_regno (x); - unsigned int last_regno - = regno + hard_regno_nregs[regno][GET_MODE (x)]; + unsigned int last_regno = regno + subreg_nregs (x); gcc_assert (last_regno <= FIRST_PSEUDO_REGISTER); for (r = regno; r < last_regno; r++) @@ -764,8 +769,7 @@ mark_set_resources (rtx x, struct resources *res, int in_dest, else { unsigned int regno = subreg_regno (x); - unsigned int last_regno - = regno + hard_regno_nregs[regno][GET_MODE (x)]; + unsigned int last_regno = regno + subreg_nregs (x); gcc_assert (last_regno <= FIRST_PSEUDO_REGISTER); for (r = regno; r < last_regno; r++) |