diff options
Diffstat (limited to 'gcc/loop.c')
| -rw-r--r-- | gcc/loop.c | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/gcc/loop.c b/gcc/loop.c index 20c5f1dab0a..bc75f8ba3b8 100644 --- a/gcc/loop.c +++ b/gcc/loop.c @@ -566,13 +566,6 @@ loop_optimize (f, dumpfile, flags) scan_loop (loop, flags); } - /* If there were lexical blocks inside the loop, they have been - replicated. We will now have more than one NOTE_INSN_BLOCK_BEG - and NOTE_INSN_BLOCK_END for each such block. We must duplicate - the BLOCKs as well. */ - if (write_symbols != NO_DEBUG) - reorder_blocks (); - end_alias_analysis (); /* Clean up. */ @@ -4139,6 +4132,7 @@ emit_prefetch_instructions (loop) int bytes_ahead = PREFETCH_BLOCK * (ahead + y); rtx before_insn = info[i].giv->insn; rtx prev_insn = PREV_INSN (info[i].giv->insn); + rtx seq; /* We can save some effort by offsetting the address on architectures with offsettable memory references. */ @@ -4153,13 +4147,16 @@ emit_prefetch_instructions (loop) loc = reg; } + start_sequence (); /* Make sure the address operand is valid for prefetch. */ if (! (*insn_data[(int)CODE_FOR_prefetch].operand[0].predicate) (loc, insn_data[(int)CODE_FOR_prefetch].operand[0].mode)) loc = force_reg (Pmode, loc); - emit_insn_before (gen_prefetch (loc, GEN_INT (info[i].write), - GEN_INT (3)), - before_insn); + emit_insn (gen_prefetch (loc, GEN_INT (info[i].write), + GEN_INT (3))); + seq = gen_sequence (); + end_sequence (); + emit_insn_before (seq, before_insn); /* Check all insns emitted and record the new GIV information. */ |
