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-rw-r--r--gcc/reg-stack.c15
1 files changed, 12 insertions, 3 deletions
diff --git a/gcc/reg-stack.c b/gcc/reg-stack.c
index 82feb5d..73bb4fc 100644
--- a/gcc/reg-stack.c
+++ b/gcc/reg-stack.c
@@ -2489,7 +2489,7 @@ change_stack (rtx_insn *insn, stack_ptr old, stack_ptr new_stack,
enum emit_where where)
{
int reg;
- int update_end = 0;
+ rtx_insn *update_end = NULL;
int i;
/* Stack adjustments for the first insn in a block update the
@@ -2511,7 +2511,7 @@ change_stack (rtx_insn *insn, stack_ptr old, stack_ptr new_stack,
if (where == EMIT_AFTER)
{
if (current_block && BB_END (current_block) == insn)
- update_end = 1;
+ update_end = insn;
insn = NEXT_INSN (insn);
}
@@ -2686,7 +2686,16 @@ change_stack (rtx_insn *insn, stack_ptr old, stack_ptr new_stack,
}
if (update_end)
- BB_END (current_block) = PREV_INSN (insn);
+ {
+ for (update_end = NEXT_INSN (update_end); update_end != insn;
+ update_end = NEXT_INSN (update_end))
+ {
+ set_block_for_insn (update_end, current_block);
+ if (INSN_P (update_end))
+ df_insn_rescan (update_end);
+ }
+ BB_END (current_block) = PREV_INSN (insn);
+ }
}
/* Print stack configuration. */