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| author | Glen Nakamura <glen@imodulo.com> | 2002-09-08 03:42:46 +0000 |
|---|---|---|
| committer | Richard Henderson <rth@gcc.gnu.org> | 2002-09-07 20:42:46 -0700 |
| commit | b96a3fa3970cfa7a81ab2cfb2f3f8fe328dae722 (patch) | |
| tree | e58b44075fef687cbfd1781d5a651e02ae19726d | |
| parent | ad9df12ff5182840605b6252b882d36c0f68895c (diff) | |
| download | gcc-b96a3fa3970cfa7a81ab2cfb2f3f8fe328dae722.zip gcc-b96a3fa3970cfa7a81ab2cfb2f3f8fe328dae722.tar.gz gcc-b96a3fa3970cfa7a81ab2cfb2f3f8fe328dae722.tar.bz2 | |
sched-deps.c (sched_analyze_insn): Make sure to add insn to reg_last->sets after flushing the dependency lists to...
* sched-deps.c (sched_analyze_insn): Make sure to add insn
to reg_last->sets after flushing the dependency lists to guarantee
that subsequent clobbers will be dependent on it.
From-SVN: r56929
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/sched-deps.c | 3 |
2 files changed, 7 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 9ca0341..5dadbed 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2002-09-07 Glen Nakamura <glen@imodulo.com> + + * sched-deps.c (sched_analyze_insn): Make sure to add insn + to reg_last->sets after flushing the dependency lists to guarantee + that subsequent clobbers will be dependent on it. + 2002-09-07 Igor Shevlyakov <igor@microunity.com> * combine.c (simplify_shift_const): Calculate rotate count diff --git a/gcc/sched-deps.c b/gcc/sched-deps.c index a5e9c08..32260a8 100644 --- a/gcc/sched-deps.c +++ b/gcc/sched-deps.c @@ -1117,8 +1117,6 @@ sched_analyze_insn (deps, x, insn, loop_notes) EXECUTE_IF_SET_IN_REG_SET (reg_pending_clobbers, 0, i, { struct deps_reg *reg_last = &deps->reg_last[i]; - add_dependence_list (insn, reg_last->sets, REG_DEP_OUTPUT); - add_dependence_list (insn, reg_last->uses, REG_DEP_ANTI); if (reg_last->uses_length > MAX_PENDING_LIST_LENGTH || reg_last->clobbers_length > MAX_PENDING_LIST_LENGTH) { @@ -1128,6 +1126,7 @@ sched_analyze_insn (deps, x, insn, loop_notes) REG_DEP_ANTI); add_dependence_list_and_free (insn, ®_last->clobbers, REG_DEP_OUTPUT); + reg_last->sets = alloc_INSN_LIST (insn, reg_last->sets); reg_last->clobbers_length = 0; reg_last->uses_length = 0; } |