diff options
Diffstat (limited to 'gcc/haifa-sched.c')
| -rw-r--r-- | gcc/haifa-sched.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/gcc/haifa-sched.c b/gcc/haifa-sched.c index 02350e1..ec66e77 100644 --- a/gcc/haifa-sched.c +++ b/gcc/haifa-sched.c @@ -8533,16 +8533,23 @@ schedule_insns (dump_file) for (b = 0; b < n_basic_blocks; b++) for (insn = basic_block_head[b];; insn = NEXT_INSN (insn)) { - rtx link; + rtx link, prev; if (GET_RTX_CLASS (GET_CODE (insn)) == 'i') { - for (link = LOG_LINKS (insn); link; link = XEXP (link, 1)) + prev = NULL_RTX; + link = LOG_LINKS (insn); + while (link) { rtx x = XEXP (link, 0); if (INSN_BLOCK (x) != b) - remove_dependence (insn, x); + { + remove_dependence (insn, x); + link = prev ? XEXP (prev, 1) : LOG_LINKS (insn); + } + else + prev = link, link = XEXP (prev, 1); } } |