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authorjakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4>2016-02-19 16:25:58 +0000
committerjakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4>2016-02-19 16:25:58 +0000
commit743d9602b2607f78d71022e989e65258f13d60c7 (patch)
treee98c952fbd29c96afb4bdeec09d0b83795625bd1 /gcc/lra.c
parent6263dde1ca1907900babb51a45761ababb793def (diff)
downloadgcc-743d9602b2607f78d71022e989e65258f13d60c7.tar.gz
PR middle-end/69838
* lra.c (lra_process_new_insns): If non-call exceptions are enabled, call copy_reg_eh_region_note_forward on before and/or after sequences and remove note from insn if it no longer can throw. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@233562 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/lra.c')
-rw-r--r--gcc/lra.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/gcc/lra.c b/gcc/lra.c
index ee92ca57e63..a6ce36529f8 100644
--- a/gcc/lra.c
+++ b/gcc/lra.c
@@ -1742,20 +1742,29 @@ lra_process_new_insns (rtx_insn *insn, rtx_insn *before, rtx_insn *after,
}
if (before != NULL_RTX)
{
+ if (cfun->can_throw_non_call_exceptions)
+ copy_reg_eh_region_note_forward (insn, before, NULL);
emit_insn_before (before, insn);
push_insns (PREV_INSN (insn), PREV_INSN (before));
setup_sp_offset (before, PREV_INSN (insn));
}
if (after != NULL_RTX)
{
+ if (cfun->can_throw_non_call_exceptions)
+ copy_reg_eh_region_note_forward (insn, after, NULL);
for (last = after; NEXT_INSN (last) != NULL_RTX; last = NEXT_INSN (last))
;
emit_insn_after (after, insn);
push_insns (last, insn);
setup_sp_offset (after, last);
}
+ if (cfun->can_throw_non_call_exceptions)
+ {
+ rtx note = find_reg_note (insn, REG_EH_REGION, NULL_RTX);
+ if (note && !insn_could_throw_p (insn))
+ remove_note (insn, note);
+ }
}
-
/* Replace all references to register OLD_REGNO in *LOC with pseudo