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authorEric Botcazou <ebotcazou@adacore.com>2012-05-12 21:35:37 +0000
committerEric Botcazou <ebotcazou@gcc.gnu.org>2012-05-12 21:35:37 +0000
commit4265801ba08846319f84c3648f825fb76085f595 (patch)
tree1e2f7f7fa85efcdd3543f687f7985306339dea16 /gcc/function.c
parent4ce5754013932cc0072b0393e254c4b9bca317ce (diff)
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function.c (requires_stack_frame_p): If the function can throw non-call exceptions...
* function.c (requires_stack_frame_p): If the function can throw non-call exceptions, return true if the insn can throw internally. From-SVN: r187429
Diffstat (limited to 'gcc/function.c')
-rw-r--r--gcc/function.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/function.c b/gcc/function.c
index b5e9011..00c55a1 100644
--- a/gcc/function.c
+++ b/gcc/function.c
@@ -5316,6 +5316,10 @@ requires_stack_frame_p (rtx insn, HARD_REG_SET prologue_used,
if (CALL_P (insn))
return !SIBLING_CALL_P (insn);
+ /* We need a frame to get the unique CFA expected by the unwinder. */
+ if (cfun->can_throw_non_call_exceptions && can_throw_internal (insn))
+ return true;
+
CLEAR_HARD_REG_SET (hardregs);
for (df_rec = DF_INSN_DEFS (insn); *df_rec; df_rec++)
{