diff options
Diffstat (limited to 'gcc/modulo-sched.c')
| -rw-r--r-- | gcc/modulo-sched.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/gcc/modulo-sched.c b/gcc/modulo-sched.c index d5ad2334..9a27365 100644 --- a/gcc/modulo-sched.c +++ b/gcc/modulo-sched.c @@ -687,9 +687,9 @@ schedule_reg_moves (partial_schedule_ptr ps) rtx set = single_set (u->insn); /* Skip instructions that do not set a register. */ - if ((set && !REG_P (SET_DEST (set)))) + if (set && !REG_P (SET_DEST (set))) continue; - + /* Compute the number of reg_moves needed for u, by looking at life ranges started at u (excluding self-loops). */ distances[0] = distances[1] = false; @@ -743,7 +743,10 @@ schedule_reg_moves (partial_schedule_ptr ps) first_move += ps->g->num_nodes; /* Generate each move. */ - old_reg = prev_reg = SET_DEST (single_set (u->insn)); + old_reg = prev_reg = SET_DEST (set); + if (HARD_REGISTER_P (old_reg)) + return false; + for (i_reg_move = 0; i_reg_move < nreg_moves; i_reg_move++) { ps_reg_move_info *move = ps_reg_move (ps, first_move + i_reg_move); |