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tcg: Reference count labels

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Increment when adding branches, and decrement when removing them.

Reviewed-by: Emilio G. Cota <cota@braap.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2018-11-26 12:47:28 -08:00
parent 15d7409260
commit d88a117eaa
4 changed files with 25 additions and 1 deletions
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3
tcg/tcg.h
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@ -244,7 +244,8 @@ typedef struct TCGRelocation {
typedef struct TCGLabel {
unsigned has_value : 1;
unsigned id : 31;
unsigned id : 15;
unsigned refs : 16;
union {
uintptr_t value;
tcg_insn_unit *value_ptr;