diff options
| -rw-r--r-- | include/tcg/tcg.h | 1 | ||||
| -rw-r--r-- | tcg/tcg-common.c | 2 | ||||
| -rw-r--r-- | tcg/tcg.c | 78 |
3 files changed, 38 insertions, 43 deletions
diff --git a/include/tcg/tcg.h b/include/tcg/tcg.h index a02de82508..e28894c57b 100644 --- a/include/tcg/tcg.h +++ b/include/tcg/tcg.h @@ -714,7 +714,6 @@ typedef struct TCGOpDef { const char *name; uint8_t nb_oargs, nb_iargs, nb_cargs, nb_args; uint8_t flags; - const TCGArgConstraint *args_ct; } TCGOpDef; extern TCGOpDef tcg_op_defs[]; diff --git a/tcg/tcg-common.c b/tcg/tcg-common.c index fadc33c3d1..0f30e5b3ec 100644 --- a/tcg/tcg-common.c +++ b/tcg/tcg-common.c @@ -28,7 +28,7 @@ TCGOpDef tcg_op_defs[] = { #define DEF(s, oargs, iargs, cargs, flags) \ - { #s, oargs, iargs, cargs, iargs + oargs + cargs, flags, NULL }, + { #s, oargs, iargs, cargs, iargs + oargs + cargs, flags }, #include "tcg/tcg-opc.h" #undef DEF }; diff --git a/tcg/tcg.c b/tcg/tcg.c index d5ab0abe9d..df7c4dab88 100644 --- a/tcg/tcg.c +++ b/tcg/tcg.c @@ -1496,7 +1496,7 @@ static void init_call_layout(TCGHelperInfo *info) } static int indirect_reg_alloc_order[ARRAY_SIZE(tcg_target_reg_alloc_order)]; -static void process_op_defs(TCGContext *s); +static void process_constraint_sets(void); static TCGTemp *tcg_global_reg_new_internal(TCGContext *s, TCGType type, TCGReg reg, const char *name); @@ -1517,7 +1517,7 @@ static void tcg_context_init(unsigned max_cpus) init_call_layout(&info_helper_st128_mmu); tcg_target_init(s); - process_op_defs(s); + process_constraint_sets(); /* Reverse the order of the saved registers, assuming they're all at the start of tcg_target_reg_alloc_order. */ @@ -3176,7 +3176,7 @@ static void sort_constraints(TCGArgConstraint *a, int start, int n) static const TCGArgConstraint empty_cts[TCG_MAX_OP_ARGS]; static TCGArgConstraint all_cts[ARRAY_SIZE(constraint_sets)][TCG_MAX_OP_ARGS]; -static void process_op_defs(TCGContext *s) +static void process_constraint_sets(void) { for (size_t c = 0; c < ARRAY_SIZE(constraint_sets); ++c) { const TCGConstraintSet *tdefs = &constraint_sets[c]; @@ -3360,38 +3360,28 @@ static void process_op_defs(TCGContext *s) sort_constraints(args_ct, 0, nb_oargs); sort_constraints(args_ct, nb_oargs, nb_iargs); } +} - for (TCGOpcode op = 0; op < NB_OPS; op++) { - TCGOpDef *def = &tcg_op_defs[op]; - const TCGConstraintSet *tdefs; - TCGConstraintSetIndex con_set; - int nb_args; - - nb_args = def->nb_iargs + def->nb_oargs; - if (nb_args == 0) { - continue; - } +static const TCGArgConstraint *opcode_args_ct(const TCGOp *op) +{ + TCGOpDef *def = &tcg_op_defs[op->opc]; + TCGConstraintSetIndex con_set; - if (def->flags & TCG_OPF_NOT_PRESENT) { - def->args_ct = empty_cts; - continue; - } + if (def->nb_iargs + def->nb_oargs == 0) { + return NULL; + } + if (def->flags & TCG_OPF_NOT_PRESENT) { + return empty_cts; + } - /* - * Macro magic should make it impossible, but double-check that - * the array index is in range. At the same time, double-check - * that the opcode is implemented, i.e. not C_NotImplemented. - */ - con_set = tcg_target_op_def(op); - tcg_debug_assert(con_set >= 0 && con_set < ARRAY_SIZE(constraint_sets)); + con_set = tcg_target_op_def(op->opc); + tcg_debug_assert(con_set >= 0 && con_set < ARRAY_SIZE(constraint_sets)); - /* The constraint arguments must match TCGOpcode arguments. */ - tdefs = &constraint_sets[con_set]; - tcg_debug_assert(tdefs->nb_oargs == def->nb_oargs); - tcg_debug_assert(tdefs->nb_iargs == def->nb_iargs); + /* The constraint arguments must match TCGOpcode arguments. */ + tcg_debug_assert(constraint_sets[con_set].nb_oargs == def->nb_oargs); + tcg_debug_assert(constraint_sets[con_set].nb_iargs == def->nb_iargs); - def->args_ct = all_cts[con_set]; - } + return all_cts[con_set]; } static void remove_label_use(TCGOp *op, int idx) @@ -3864,6 +3854,7 @@ liveness_pass_1(TCGContext *s) TCGTemp *ts; TCGOpcode opc = op->opc; const TCGOpDef *def = &tcg_op_defs[opc]; + const TCGArgConstraint *args_ct; switch (opc) { case INDEX_op_call: @@ -4153,8 +4144,9 @@ liveness_pass_1(TCGContext *s) break; default: + args_ct = opcode_args_ct(op); for (i = nb_oargs; i < nb_oargs + nb_iargs; i++) { - const TCGArgConstraint *ct = &def->args_ct[i]; + const TCGArgConstraint *ct = &args_ct[i]; TCGRegSet set, *pset; ts = arg_temp(op->args[i]); @@ -4941,6 +4933,7 @@ static void tcg_reg_alloc_dup(TCGContext *s, const TCGOp *op) { const TCGLifeData arg_life = op->life; TCGRegSet dup_out_regs, dup_in_regs; + const TCGArgConstraint *dup_args_ct; TCGTemp *its, *ots; TCGType itype, vtype; unsigned vece; @@ -4967,8 +4960,9 @@ static void tcg_reg_alloc_dup(TCGContext *s, const TCGOp *op) return; } - dup_out_regs = tcg_op_defs[INDEX_op_dup_vec].args_ct[0].regs; - dup_in_regs = tcg_op_defs[INDEX_op_dup_vec].args_ct[1].regs; + dup_args_ct = opcode_args_ct(op); + dup_out_regs = dup_args_ct[0].regs; + dup_in_regs = dup_args_ct[1].regs; /* Allocate the output register now. */ if (ots->val_type != TEMP_VAL_REG) { @@ -5054,6 +5048,7 @@ static void tcg_reg_alloc_op(TCGContext *s, const TCGOp *op) int i, k, nb_iargs, nb_oargs; TCGReg reg; TCGArg arg; + const TCGArgConstraint *args_ct; const TCGArgConstraint *arg_ct; TCGTemp *ts; TCGArg new_args[TCG_MAX_OP_ARGS]; @@ -5098,6 +5093,8 @@ static void tcg_reg_alloc_op(TCGContext *s, const TCGOp *op) break; } + args_ct = opcode_args_ct(op); + /* satisfy input constraints */ for (k = 0; k < nb_iargs; k++) { TCGRegSet i_preferred_regs, i_required_regs; @@ -5105,9 +5102,9 @@ static void tcg_reg_alloc_op(TCGContext *s, const TCGOp *op) TCGTemp *ts2; int i1, i2; - i = def->args_ct[nb_oargs + k].sort_index; + i = args_ct[nb_oargs + k].sort_index; arg = op->args[i]; - arg_ct = &def->args_ct[i]; + arg_ct = &args_ct[i]; ts = arg_temp(arg); if (ts->val_type == TEMP_VAL_CONST @@ -5137,7 +5134,7 @@ static void tcg_reg_alloc_op(TCGContext *s, const TCGOp *op) * register and move it. */ if (temp_readonly(ts) || !IS_DEAD_ARG(i) - || def->args_ct[arg_ct->alias_index].newreg) { + || args_ct[arg_ct->alias_index].newreg) { allocate_new_reg = true; } else if (ts->val_type == TEMP_VAL_REG) { /* @@ -5322,10 +5319,10 @@ static void tcg_reg_alloc_op(TCGContext *s, const TCGOp *op) } /* satisfy the output constraints */ - for(k = 0; k < nb_oargs; k++) { - i = def->args_ct[k].sort_index; + for (k = 0; k < nb_oargs; k++) { + i = args_ct[k].sort_index; arg = op->args[i]; - arg_ct = &def->args_ct[i]; + arg_ct = &args_ct[i]; ts = arg_temp(arg); /* ENV should not be modified. */ @@ -5465,8 +5462,7 @@ static bool tcg_reg_alloc_dup2(TCGContext *s, const TCGOp *op) /* Allocate the output register now. */ if (ots->val_type != TEMP_VAL_REG) { TCGRegSet allocated_regs = s->reserved_regs; - TCGRegSet dup_out_regs = - tcg_op_defs[INDEX_op_dup_vec].args_ct[0].regs; + TCGRegSet dup_out_regs = opcode_args_ct(op)[0].regs; TCGReg oreg; /* Make sure to not spill the input registers. */ |