diff options
| author | Revital Eres <revital.eres@linaro.org> | 2011-09-30 13:25:30 +0000 |
|---|---|---|
| committer | Revital Eres <revital.eres@linaro.org> | 2011-09-30 13:25:30 +0000 |
| commit | 23fa1528212f5ec8268d9c244843dcb83d93f663 (patch) | |
| tree | 719fcfc0091e715491d3570d58ada90b4bd5d2ba /gcc/modulo-sched.c | |
| parent | 6536fdf1e21cf21e05aff1dc69e96cc6318e282a (diff) | |
SMS: Support instructions with REG_INC_NOTE
git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@179381 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/modulo-sched.c')
| -rw-r--r-- | gcc/modulo-sched.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/gcc/modulo-sched.c b/gcc/modulo-sched.c index 7c33be54bb5..57186ec8710 100644 --- a/gcc/modulo-sched.c +++ b/gcc/modulo-sched.c @@ -506,6 +506,10 @@ generate_reg_moves (partial_schedule_ptr ps, bool rescan) we assume no regmoves are generated as the doloop instructions are tied to the branch with an edge. */ gcc_assert (set); + /* If the instruction contains auto-inc register then + validate that the regmov is being generated for the + target regsiter rather then the inc'ed register. */ + gcc_assert (!autoinc_var_is_used_p (u->insn, e->dest->insn)); } nreg_moves = MAX (nreg_moves, nreg_moves4e); @@ -1281,12 +1285,10 @@ sms_schedule (void) continue; } - /* Don't handle BBs with calls or barriers or auto-increment insns - (to avoid creating invalid reg-moves for the auto-increment insns), + /* Don't handle BBs with calls or barriers or !single_set with the exception of instructions that include count_reg---these instructions are part of the control part that do-loop recognizes. - ??? Should handle auto-increment insns. ??? Should handle insns defining subregs. */ for (insn = head; insn != NEXT_INSN (tail); insn = NEXT_INSN (insn)) { @@ -1297,7 +1299,6 @@ sms_schedule (void) || (NONDEBUG_INSN_P (insn) && !JUMP_P (insn) && !single_set (insn) && GET_CODE (PATTERN (insn)) != USE && !reg_mentioned_p (count_reg, insn)) - || (FIND_REG_INC_NOTE (insn, NULL_RTX) != 0) || (INSN_P (insn) && (set = single_set (insn)) && GET_CODE (SET_DEST (set)) == SUBREG)) break; @@ -1311,8 +1312,6 @@ sms_schedule (void) fprintf (dump_file, "SMS loop-with-call\n"); else if (BARRIER_P (insn)) fprintf (dump_file, "SMS loop-with-barrier\n"); - else if (FIND_REG_INC_NOTE (insn, NULL_RTX) != 0) - fprintf (dump_file, "SMS reg inc\n"); else if ((NONDEBUG_INSN_P (insn) && !JUMP_P (insn) && !single_set (insn) && GET_CODE (PATTERN (insn)) != USE)) fprintf (dump_file, "SMS loop-with-not-single-set\n"); |