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-rw-r--r--gcc/stmt.c19
1 files changed, 16 insertions, 3 deletions
diff --git a/gcc/stmt.c b/gcc/stmt.c
index f968012..bc7cc28 100644
--- a/gcc/stmt.c
+++ b/gcc/stmt.c
@@ -539,10 +539,23 @@ expand_computed_goto (exp)
#endif
emit_queue ();
- do_pending_stack_adjust ();
- emit_indirect_jump (x);
- current_function_has_computed_jump = 1;
+ if (! cfun->computed_goto_common_label)
+ {
+ cfun->computed_goto_common_reg = copy_to_mode_reg (Pmode, x);
+ cfun->computed_goto_common_label = gen_label_rtx ();
+ emit_label (cfun->computed_goto_common_label);
+
+ do_pending_stack_adjust ();
+ emit_indirect_jump (cfun->computed_goto_common_reg);
+
+ current_function_has_computed_jump = 1;
+ }
+ else
+ {
+ emit_move_insn (cfun->computed_goto_common_reg, x);
+ emit_jump (cfun->computed_goto_common_label);
+ }
}
/* Handle goto statements and the labels that they can go to. */