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| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/gcse.c | 5 |
2 files changed, 10 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index f4c5273..e750885 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2004-04-28 Ulrich Weigand <uweigand@de.ibm.com> + + * gcse.c (find_moveable_store): Do not accept store insns with + REG_EH_REGION note. + 2004-04-28 Paul Brook <paul@codesourcery.com> * calls.c (precompute_arguments): Remove PROMOTE_FOR_CALL_ONLY. @@ -7175,6 +7175,11 @@ find_moveable_store (rtx insn, int *regs_set_before, int *regs_set_after) if (flag_non_call_exceptions && may_trap_p (dest)) return; + /* Even if the destination cannot trap, the source may. In this case we'd + need to handle updating the REG_EH_REGION note. */ + if (find_reg_note (insn, REG_EH_REGION, NULL_RTX)) + return; + ptr = ldst_entry (dest); if (!ptr->pattern_regs) ptr->pattern_regs = extract_mentioned_regs (dest); |