diff options
Diffstat (limited to 'tcg/tcg.c')
| -rw-r--r-- | tcg/tcg.c | 87 |
1 files changed, 42 insertions, 45 deletions
diff --git a/tcg/tcg.c b/tcg/tcg.c index 35fba50c7f..cb193f2683 100644 --- a/tcg/tcg.c +++ b/tcg/tcg.c @@ -96,10 +96,6 @@ const size_t tcg_op_defs_max = ARRAY_SIZE(tcg_op_defs); static TCGRegSet tcg_target_available_regs[2]; static TCGRegSet tcg_target_call_clobber_regs; -/* XXX: move that inside the context */ -uint16_t *gen_opc_ptr; -TCGArg *gen_opparam_ptr; - static inline void tcg_out8(TCGContext *s, uint8_t v) { *s->code_ptr++ = v; @@ -297,8 +293,8 @@ void tcg_func_start(TCGContext *s) s->goto_tb_issue_mask = 0; #endif - gen_opc_ptr = gen_opc_buf; - gen_opparam_ptr = gen_opparam_buf; + s->gen_opc_ptr = s->gen_opc_buf; + s->gen_opparam_ptr = s->gen_opparam_buf; #if defined(CONFIG_QEMU_LDST_OPTIMIZATION) && defined(CONFIG_SOFTMMU) /* Initialize qemu_ld/st labels to assist code generation at the end of TB @@ -641,23 +637,23 @@ void tcg_gen_callN(TCGContext *s, TCGv_ptr func, unsigned int flags, } #endif /* TCG_TARGET_EXTEND_ARGS */ - *gen_opc_ptr++ = INDEX_op_call; - nparam = gen_opparam_ptr++; + *s->gen_opc_ptr++ = INDEX_op_call; + nparam = s->gen_opparam_ptr++; if (ret != TCG_CALL_DUMMY_ARG) { #if TCG_TARGET_REG_BITS < 64 if (sizemask & 1) { #ifdef TCG_TARGET_WORDS_BIGENDIAN - *gen_opparam_ptr++ = ret + 1; - *gen_opparam_ptr++ = ret; + *s->gen_opparam_ptr++ = ret + 1; + *s->gen_opparam_ptr++ = ret; #else - *gen_opparam_ptr++ = ret; - *gen_opparam_ptr++ = ret + 1; + *s->gen_opparam_ptr++ = ret; + *s->gen_opparam_ptr++ = ret + 1; #endif nb_rets = 2; } else #endif { - *gen_opparam_ptr++ = ret; + *s->gen_opparam_ptr++ = ret; nb_rets = 1; } } else { @@ -671,7 +667,7 @@ void tcg_gen_callN(TCGContext *s, TCGv_ptr func, unsigned int flags, #ifdef TCG_TARGET_CALL_ALIGN_ARGS /* some targets want aligned 64 bit args */ if (real_args & 1) { - *gen_opparam_ptr++ = TCG_CALL_DUMMY_ARG; + *s->gen_opparam_ptr++ = TCG_CALL_DUMMY_ARG; real_args++; } #endif @@ -686,28 +682,28 @@ void tcg_gen_callN(TCGContext *s, TCGv_ptr func, unsigned int flags, have to get more complicated to differentiate between stack arguments and register arguments. */ #if defined(TCG_TARGET_WORDS_BIGENDIAN) != defined(TCG_TARGET_STACK_GROWSUP) - *gen_opparam_ptr++ = args[i] + 1; - *gen_opparam_ptr++ = args[i]; + *s->gen_opparam_ptr++ = args[i] + 1; + *s->gen_opparam_ptr++ = args[i]; #else - *gen_opparam_ptr++ = args[i]; - *gen_opparam_ptr++ = args[i] + 1; + *s->gen_opparam_ptr++ = args[i]; + *s->gen_opparam_ptr++ = args[i] + 1; #endif real_args += 2; continue; } #endif /* TCG_TARGET_REG_BITS < 64 */ - *gen_opparam_ptr++ = args[i]; + *s->gen_opparam_ptr++ = args[i]; real_args++; } - *gen_opparam_ptr++ = GET_TCGV_PTR(func); + *s->gen_opparam_ptr++ = GET_TCGV_PTR(func); - *gen_opparam_ptr++ = flags; + *s->gen_opparam_ptr++ = flags; *nparam = (nb_rets << 16) | (real_args + 1); /* total parameters, needed to go backward in the instruction stream */ - *gen_opparam_ptr++ = 1 + nb_rets + real_args + 3; + *s->gen_opparam_ptr++ = 1 + nb_rets + real_args + 3; #if defined(TCG_TARGET_EXTEND_ARGS) && TCG_TARGET_REG_BITS == 64 for (i = 0; i < nargs; ++i) { @@ -896,9 +892,9 @@ void tcg_dump_ops(TCGContext *s) char buf[128]; first_insn = 1; - opc_ptr = gen_opc_buf; - args = gen_opparam_buf; - while (opc_ptr < gen_opc_ptr) { + opc_ptr = s->gen_opc_buf; + args = s->gen_opparam_buf; + while (opc_ptr < s->gen_opc_ptr) { c = *opc_ptr++; def = &tcg_op_defs[c]; if (c == INDEX_op_debug_insn_start) { @@ -1229,9 +1225,9 @@ static void tcg_liveness_analysis(TCGContext *s) uint16_t dead_args; uint8_t sync_args; - gen_opc_ptr++; /* skip end */ + s->gen_opc_ptr++; /* skip end */ - nb_ops = gen_opc_ptr - gen_opc_buf; + nb_ops = s->gen_opc_ptr - s->gen_opc_buf; s->op_dead_args = tcg_malloc(nb_ops * sizeof(uint16_t)); s->op_sync_args = tcg_malloc(nb_ops * sizeof(uint8_t)); @@ -1240,10 +1236,10 @@ static void tcg_liveness_analysis(TCGContext *s) mem_temps = tcg_malloc(s->nb_temps); tcg_la_func_end(s, dead_temps, mem_temps); - args = gen_opparam_ptr; + args = s->gen_opparam_ptr; op_index = nb_ops - 1; while (op_index >= 0) { - op = gen_opc_buf[op_index]; + op = s->gen_opc_buf[op_index]; def = &tcg_op_defs[op]; switch(op) { case INDEX_op_call: @@ -1266,7 +1262,7 @@ static void tcg_liveness_analysis(TCGContext *s) goto do_not_remove_call; } } - tcg_set_nop(s, gen_opc_buf + op_index, + tcg_set_nop(s, s->gen_opc_buf + op_index, args - 1, nb_args); } else { do_not_remove_call: @@ -1347,11 +1343,11 @@ static void tcg_liveness_analysis(TCGContext *s) } else { op = INDEX_op_sub_i32; } - gen_opc_buf[op_index] = op; + s->gen_opc_buf[op_index] = op; args[1] = args[2]; args[2] = args[4]; - assert(gen_opc_buf[op_index + 1] == INDEX_op_nop); - tcg_set_nop(s, gen_opc_buf + op_index + 1, args + 3, 3); + assert(s->gen_opc_buf[op_index + 1] == INDEX_op_nop); + tcg_set_nop(s, s->gen_opc_buf + op_index + 1, args + 3, 3); /* Fall through and mark the single-word operation live. */ nb_iargs = 2; nb_oargs = 1; @@ -1367,11 +1363,11 @@ static void tcg_liveness_analysis(TCGContext *s) if (dead_temps[args[0]] && !mem_temps[args[0]]) { goto do_remove; } - gen_opc_buf[op_index] = op = INDEX_op_mul_i32; + s->gen_opc_buf[op_index] = op = INDEX_op_mul_i32; args[1] = args[2]; args[2] = args[3]; - assert(gen_opc_buf[op_index + 1] == INDEX_op_nop); - tcg_set_nop(s, gen_opc_buf + op_index + 1, args + 3, 1); + assert(s->gen_opc_buf[op_index + 1] == INDEX_op_nop); + tcg_set_nop(s, s->gen_opc_buf + op_index + 1, args + 3, 1); /* Fall through and mark the single-word operation live. */ nb_oargs = 1; } @@ -1394,7 +1390,7 @@ static void tcg_liveness_analysis(TCGContext *s) } } do_remove: - tcg_set_nop(s, gen_opc_buf + op_index, args, def->nb_args); + tcg_set_nop(s, s->gen_opc_buf + op_index, args, def->nb_args); #ifdef CONFIG_PROFILER s->del_op_count++; #endif @@ -1440,15 +1436,16 @@ static void tcg_liveness_analysis(TCGContext *s) op_index--; } - if (args != gen_opparam_buf) + if (args != s->gen_opparam_buf) { tcg_abort(); + } } #else /* dummy liveness analysis */ static void tcg_liveness_analysis(TCGContext *s) { int nb_ops; - nb_ops = gen_opc_ptr - gen_opc_buf; + nb_ops = s->gen_opc_ptr - s->gen_opc_buf; s->op_dead_args = tcg_malloc(nb_ops * sizeof(uint16_t)); memset(s->op_dead_args, 0, nb_ops * sizeof(uint16_t)); @@ -1618,7 +1615,7 @@ static inline void temp_dead(TCGContext *s, int temp) if (ts->val_type == TEMP_VAL_REG) { s->reg_to_temp[ts->reg] = -1; } - if (temp < s->nb_globals || (ts->temp_local && ts->mem_allocated)) { + if (temp < s->nb_globals || ts->temp_local) { ts->val_type = TEMP_VAL_MEM; } else { ts->val_type = TEMP_VAL_DEAD; @@ -2221,8 +2218,8 @@ static inline int tcg_gen_code_common(TCGContext *s, uint8_t *gen_code_buf, #endif #ifdef USE_TCG_OPTIMIZATIONS - gen_opparam_ptr = - tcg_optimize(s, gen_opc_ptr, gen_opparam_buf, tcg_op_defs); + s->gen_opparam_ptr = + tcg_optimize(s, s->gen_opc_ptr, s->gen_opparam_buf, tcg_op_defs); #endif #ifdef CONFIG_PROFILER @@ -2249,11 +2246,11 @@ static inline int tcg_gen_code_common(TCGContext *s, uint8_t *gen_code_buf, s->code_buf = gen_code_buf; s->code_ptr = gen_code_buf; - args = gen_opparam_buf; + args = s->gen_opparam_buf; op_index = 0; for(;;) { - opc = gen_opc_buf[op_index]; + opc = s->gen_opc_buf[op_index]; #ifdef CONFIG_PROFILER tcg_table_op_count[opc]++; #endif @@ -2334,7 +2331,7 @@ int tcg_gen_code(TCGContext *s, uint8_t *gen_code_buf) #ifdef CONFIG_PROFILER { int n; - n = (gen_opc_ptr - gen_opc_buf); + n = (s->gen_opc_ptr - s->gen_opc_buf); s->op_count += n; if (n > s->op_count_max) s->op_count_max = n; |