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| author | Jakub Jelinek <jakub@gcc.gnu.org> | 2018-01-09 09:03:45 +0100 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2018-01-09 09:03:45 +0100 |
| commit | 3a123ed751451a4f2aebbe74226fd92272da4477 (patch) | |
| tree | 48d8bdcdf51e28737bb09e301b3fc04ef341f348 /gcc/modulo-sched.c | |
| parent | 5190f1f98d7c14c0a0bf4f003da0f3a38b31ad14 (diff) | |
| download | gcc-3a123ed751451a4f2aebbe74226fd92272da4477.zip gcc-3a123ed751451a4f2aebbe74226fd92272da4477.tar.gz gcc-3a123ed751451a4f2aebbe74226fd92272da4477.tar.bz2 | |
re PR target/83507 (ICE in internal_dfa_insn_code_* for powerpc targets)
PR target/83507
* modulo-sched.c (schedule_reg_moves): Punt if we'd need to move
hard registers. Formatting fixes.
* gcc.dg/sms-13.c: New test.
From-SVN: r256368
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); |