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| author | Roman Zippel <zippel@linux-m68k.org> | 2001-08-28 01:29:48 +0000 |
|---|---|---|
| committer | Richard Henderson <rth@gcc.gnu.org> | 2001-08-27 18:29:48 -0700 |
| commit | b5a696fb77de13c828495626919dcd1f5507fddc (patch) | |
| tree | d019ebe7616fcb21468f64c393f960115b5666ea /gcc/cse.c | |
| parent | fa4e13e0355e5e50f96bde424b27555aa2630527 (diff) | |
| download | gcc-b5a696fb77de13c828495626919dcd1f5507fddc.zip gcc-b5a696fb77de13c828495626919dcd1f5507fddc.tar.gz gcc-b5a696fb77de13c828495626919dcd1f5507fddc.tar.bz2 | |
* cse.c (cse_basic_block): Skip note instructions.
From-SVN: r45221
Diffstat (limited to 'gcc/cse.c')
| -rw-r--r-- | gcc/cse.c | 9 |
1 files changed, 5 insertions, 4 deletions
@@ -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); |