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| author | Richard Henderson <rth@redhat.com> | 2001-08-22 01:18:33 -0700 |
|---|---|---|
| committer | Richard Henderson <rth@gcc.gnu.org> | 2001-08-22 01:18:33 -0700 |
| commit | bd7b9a0f96a090ea290ad77d2e3de66a9b2f52e5 (patch) | |
| tree | 7975e291deb515e41e959e0994b0df29d86e0c5b /gcc | |
| parent | 687eccc06ebdf6db0905b1a7644a4a90c7e9d16a (diff) | |
| download | gcc-bd7b9a0f96a090ea290ad77d2e3de66a9b2f52e5.zip gcc-bd7b9a0f96a090ea290ad77d2e3de66a9b2f52e5.tar.gz gcc-bd7b9a0f96a090ea290ad77d2e3de66a9b2f52e5.tar.bz2 | |
ia64.c (emit_all_insn_group_barriers): Flush state at barrier insns.
* config/ia64/ia64.c (emit_all_insn_group_barriers): Flush state
at barrier insns. Emit stop bits before barriers.
From-SVN: r45102
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 3 | ||||
| -rw-r--r-- | gcc/config/ia64/ia64.c | 22 |
2 files changed, 20 insertions, 5 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 6e5858d..25f0028f 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,8 @@ 2001-08-21 Richard Henderson <rth@redhat.com> + * config/ia64/ia64.c (emit_all_insn_group_barriers): Flush state + at barrier insns. Emit stop bits before barriers. + * flow.c (flow_find_cross_jump): Don't consider unconditional return insns for commoning. diff --git a/gcc/config/ia64/ia64.c b/gcc/config/ia64/ia64.c index 2c539fe..5cba624 100644 --- a/gcc/config/ia64/ia64.c +++ b/gcc/config/ia64/ia64.c @@ -4811,13 +4811,25 @@ emit_all_insn_group_barriers (dump, insns) for (insn = insns; insn; insn = NEXT_INSN (insn)) { - if (GET_CODE (insn) == INSN - && GET_CODE (PATTERN (insn)) == UNSPEC_VOLATILE - && XINT (PATTERN (insn), 1) == 2) - init_insn_group_barriers (); + if (GET_CODE (insn) == BARRIER) + { + rtx last = prev_active_insn (insn); + + if (! last) + continue; + if (GET_CODE (last) == JUMP_INSN + && GET_CODE (PATTERN (last)) == ADDR_DIFF_VEC) + last = prev_active_insn (last); + if (recog_memoized (last) != CODE_FOR_insn_group_barrier) + emit_insn_after (gen_insn_group_barrier (GEN_INT (3)), last); + + init_insn_group_barriers (); + } else if (INSN_P (insn)) { - if (group_barrier_needed_p (insn)) + if (recog_memoized (insn) == CODE_FOR_insn_group_barrier) + init_insn_group_barriers (); + else if (group_barrier_needed_p (insn)) { emit_insn_before (gen_insn_group_barrier (GEN_INT (3)), insn); init_insn_group_barriers (); |