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* cse.c (cse_basic_block): Skip note instructions.

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From-SVN: r45221
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Roman Zippel 2001-08-28 01:29:48 +00:00 committed by Richard Henderson
parent fa4e13e035
commit b5a696fb77
2 changed files with 9 additions and 4 deletions
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4
gcc/ChangeLog
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@ -1,3 +1,7 @@
2001-08-27 Roman Zippel <zippel@linux-m68k.org>
* cse.c (cse_basic_block): Skip note instructions.
2001-08-27 Richard Henderson <rth@redhat.com>
* combine.c (combine_simplify_rtx): Don't reverse condition

9
gcc/cse.c
View File

@ -7354,14 +7354,15 @@ cse_basic_block (from, to, next_branch, around_loop)
we can cse into the loop. Don't do this if we changed the jump
structure of a loop unless we aren't going to be following jumps. */
insn = prev_nonnote_insn(to);
if ((cse_jumps_altered == 0
|| (flag_cse_follow_jumps == 0 && flag_cse_skip_blocks == 0))
&& around_loop && to != 0
&& GET_CODE (to) == NOTE && NOTE_LINE_NUMBER (to) == NOTE_INSN_LOOP_END
&& GET_CODE (PREV_INSN (to)) == JUMP_INSN
&& JUMP_LABEL (PREV_INSN (to)) != 0
&& LABEL_NUSES (JUMP_LABEL (PREV_INSN (to))) == 1)
cse_around_loop (JUMP_LABEL (PREV_INSN (to)));
&& GET_CODE (insn) == JUMP_INSN
&& JUMP_LABEL (insn) != 0
&& LABEL_NUSES (JUMP_LABEL (insn)) == 1)
cse_around_loop (JUMP_LABEL (insn));
free (qty_table + max_reg);