Signed-off-by: Richard Henderson <r...@twiddle.net> --- tcg/tcg.c | 20 -------------------- 1 file changed, 20 deletions(-)
diff --git a/tcg/tcg.c b/tcg/tcg.c index 44de991..64060c6 100644 --- a/tcg/tcg.c +++ b/tcg/tcg.c @@ -23,7 +23,6 @@ */ /* define it to use liveness analysis (better code) */ -#define USE_LIVENESS_ANALYSIS #define USE_TCG_OPTIMIZATIONS #include "qemu/osdep.h" @@ -1306,7 +1305,6 @@ void tcg_op_remove(TCGContext *s, TCGOp *op) #endif } -#ifdef USE_LIVENESS_ANALYSIS /* liveness analysis: end of function: all temps are dead, and globals should be in memory. */ static inline void tcg_la_func_end(TCGContext *s, uint8_t *dead_temps, @@ -1575,18 +1573,6 @@ static void tcg_liveness_analysis(TCGContext *s) } } } -#else -/* dummy liveness analysis */ -static void tcg_liveness_analysis(TCGContext *s) -{ - int nb_ops = s->gen_next_op_idx; - - s->op_dead_args = tcg_malloc(nb_ops * sizeof(uint16_t)); - memset(s->op_dead_args, 0, nb_ops * sizeof(uint16_t)); - s->op_sync_args = tcg_malloc(nb_ops * sizeof(uint8_t)); - memset(s->op_sync_args, 0, nb_ops * sizeof(uint8_t)); -} -#endif #ifdef CONFIG_DEBUG_TCG static void dump_regs(TCGContext *s) @@ -1838,7 +1824,6 @@ static void temp_load(TCGContext *s, TCGTemp *ts, TCGRegSet desired_regs, static inline void temp_save(TCGContext *s, TCGTemp *ts, TCGRegSet allocated_regs) { -#ifdef USE_LIVENESS_ANALYSIS /* ??? Liveness does not yet incorporate indirect bases. */ if (!ts->indirect_base) { /* The liveness analysis already ensures that globals are back @@ -1846,7 +1831,6 @@ static inline void temp_save(TCGContext *s, TCGTemp *ts, tcg_debug_assert(ts->val_type == TEMP_VAL_MEM || ts->fixed_reg); return; } -#endif temp_sync(s, ts, allocated_regs, 1); } @@ -1871,7 +1855,6 @@ static void sync_globals(TCGContext *s, TCGRegSet allocated_regs) for (i = 0; i < s->nb_globals; i++) { TCGTemp *ts = &s->temps[i]; -#ifdef USE_LIVENESS_ANALYSIS /* ??? Liveness does not yet incorporate indirect bases. */ if (!ts->indirect_base) { tcg_debug_assert(ts->val_type != TEMP_VAL_REG @@ -1879,7 +1862,6 @@ static void sync_globals(TCGContext *s, TCGRegSet allocated_regs) || ts->mem_coherent); continue; } -#endif temp_sync(s, ts, allocated_regs, 0); } } @@ -1895,7 +1877,6 @@ static void tcg_reg_alloc_bb_end(TCGContext *s, TCGRegSet allocated_regs) if (ts->temp_local) { temp_save(s, ts, allocated_regs); } else { -#ifdef USE_LIVENESS_ANALYSIS /* ??? Liveness does not yet incorporate indirect bases. */ if (!ts->indirect_base) { /* The liveness analysis already ensures that temps are dead. @@ -1903,7 +1884,6 @@ static void tcg_reg_alloc_bb_end(TCGContext *s, TCGRegSet allocated_regs) tcg_debug_assert(ts->val_type == TEMP_VAL_DEAD); continue; } -#endif temp_dead(s, ts); } } -- 2.5.5