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| author | Richard Henderson <rth@cygnus.com> | 1998-01-13 13:38:31 -0800 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 1998-01-13 14:38:31 -0700 |
| commit | c995fea1951e649c43de8a41275ce7afbe6af7bc (patch) | |
| tree | c3662172ac679ef69dbbc319606a2adbf6a31303 /gcc/haifa-sched.c | |
| parent | 88ea0ad1b24059496d29c55a19b02295dfb85d3a (diff) | |
| download | gcc-c995fea1951e649c43de8a41275ce7afbe6af7bc.zip gcc-c995fea1951e649c43de8a41275ce7afbe6af7bc.tar.gz gcc-c995fea1951e649c43de8a41275ce7afbe6af7bc.tar.bz2 | |
haifa-sched.c (schedule_insns): Correctly remove inter-block dependencies after reload.
* haifa-sched.c (schedule_insns): Correctly remove inter-block
dependencies after reload.
From-SVN: r17346
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); } } |