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https://github.com/yuzu-emu/unicorn.git
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tcg: Dump register preference info with liveness
Backports commit 1894f69a612b35c2a39b44a824da04d74bfe324a from qemu
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parent
494d802781
commit
b356212b33
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@ -1399,7 +1399,7 @@ static inline TCGReg tcg_regset_first(TCGRegSet d)
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}
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}
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void tcg_dump_ops(TCGContext *s)
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static void tcg_dump_ops(TCGContext *s, bool have_prefs)
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{
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char buf[128];
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TCGOp *op;
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@ -1534,12 +1534,15 @@ void tcg_dump_ops(TCGContext *s)
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col += qemu_log("%s$0x%" TCG_PRIlx, k ? "," : "", op->args[k]);
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}
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}
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if (op->life) {
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unsigned life = op->life;
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for (; col < 48; ++col) {
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if (have_prefs || op->life) {
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for (; col < 40; ++col) {
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putc(' ', qemu_logfile);
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}
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}
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if (op->life) {
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unsigned life = op->life;
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if (life & (SYNC_ARG * 3)) {
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qemu_log(" sync:");
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@ -1559,6 +1562,33 @@ void tcg_dump_ops(TCGContext *s)
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}
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}
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}
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if (have_prefs) {
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for (i = 0; i < nb_oargs; ++i) {
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TCGRegSet set = op->output_pref[i];
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if (i == 0) {
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qemu_log(" pref=");
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} else {
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qemu_log(",");
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}
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if (set == 0) {
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qemu_log("none");
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} else if (set == MAKE_64BIT_MASK(0, TCG_TARGET_NB_REGS)) {
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qemu_log("all");
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#ifdef CONFIG_DEBUG_TCG
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} else if (tcg_regset_single(set)) {
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TCGReg reg = tcg_regset_first(set);
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qemu_log("%s", tcg_target_reg_names[reg]);
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#endif
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} else if (TCG_TARGET_NB_REGS <= 32) {
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qemu_log("%#x", (uint32_t)set);
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} else {
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qemu_log("%#" PRIx64, (uint64_t)set);
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}
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}
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}
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qemu_log("\n");
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}
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}
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@ -3083,7 +3113,7 @@ int tcg_gen_code(TCGContext *s, TranslationBlock *tb)
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if (unlikely(qemu_loglevel_mask(CPU_LOG_TB_OP)
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&& qemu_log_in_addr_range(tb->pc))) {
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qemu_log("OP:\n");
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tcg_dump_ops(s);
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tcg_dump_ops(s, false);
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qemu_log("\n");
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}
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#endif
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@ -3109,7 +3139,7 @@ int tcg_gen_code(TCGContext *s, TranslationBlock *tb)
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if (unlikely(qemu_loglevel_mask(CPU_LOG_TB_OP_IND)
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&& qemu_log_in_addr_range(tb->pc))) {
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qemu_log("OP before indirect lowering:\n");
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tcg_dump_ops(s);
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tcg_dump_ops(s, false);
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qemu_log("\n");
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}
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#endif
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@ -3128,7 +3158,7 @@ int tcg_gen_code(TCGContext *s, TranslationBlock *tb)
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if (unlikely(qemu_loglevel_mask(CPU_LOG_TB_OP_OPT)
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&& qemu_log_in_addr_range(tb->pc))) {
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qemu_log("OP after optimization and liveness analysis:\n");
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tcg_dump_ops(s);
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tcg_dump_ops(s, false);
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qemu_log("\n");
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}
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#endif
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@ -1191,9 +1191,6 @@ static inline void *tcg_malloc(TCGContext *s, int size)
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}
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}
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/* only used for debugging purposes */
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void tcg_dump_ops(TCGContext *s);
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TCGv_i32 tcg_const_i32(TCGContext *s, int32_t val);
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TCGv_i64 tcg_const_i64(TCGContext *s, int64_t val);
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TCGv_i32 tcg_const_local_i32(TCGContext *s, int32_t val);
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