/* Set target field */
/* Optimize away setting of NULL target */
if (!MONO_INS_IS_PCONST_NULL (target)) {
+ MONO_EMIT_NEW_BIALU_IMM (cfg, OP_COMPARE_IMM, -1, target->dreg, 0);
+ MONO_EMIT_NEW_COND_EXC (cfg, EQ, "NullReferenceException");
MONO_EMIT_NEW_STORE_MEMBASE (cfg, OP_STORE_MEMBASE_REG, obj->dreg, MONO_STRUCT_OFFSET (MonoDelegate, target), target->dreg);
if (cfg->gen_write_barriers) {
dreg = alloc_preg (cfg);
cfg->headers_to_free = g_slist_prepend_mempool (cfg->mempool, cfg->headers_to_free, header);
}
+static guint32
+mono_type_to_stloc_coerce (MonoType *type)
+{
+ if (type->byref)
+ return 0;
+
+ type = mini_get_underlying_type (type);
+handle_enum:
+ switch (type->type) {
+ case MONO_TYPE_I1:
+ return OP_ICONV_TO_I1;
+ case MONO_TYPE_U1:
+ return OP_ICONV_TO_U1;
+ case MONO_TYPE_I2:
+ return OP_ICONV_TO_I2;
+ case MONO_TYPE_U2:
+ return OP_ICONV_TO_U2;
+ case MONO_TYPE_I4:
+ case MONO_TYPE_U4:
+ case MONO_TYPE_I:
+ case MONO_TYPE_U:
+ case MONO_TYPE_PTR:
+ case MONO_TYPE_FNPTR:
+ case MONO_TYPE_CLASS:
+ case MONO_TYPE_STRING:
+ case MONO_TYPE_OBJECT:
+ case MONO_TYPE_SZARRAY:
+ case MONO_TYPE_ARRAY:
+ case MONO_TYPE_I8:
+ case MONO_TYPE_U8:
+ case MONO_TYPE_R4:
+ case MONO_TYPE_R8:
+ case MONO_TYPE_TYPEDBYREF:
+ case MONO_TYPE_GENERICINST:
+ return 0;
+ case MONO_TYPE_VALUETYPE:
+ if (type->data.klass->enumtype) {
+ type = mono_class_enum_basetype (type->data.klass);
+ goto handle_enum;
+ }
+ return 0;
+ case MONO_TYPE_VAR:
+ case MONO_TYPE_MVAR: //TODO I believe we don't need to handle gsharedvt as there won't be match and, for example, u1 is not covariant to u32
+ return 0;
+ default:
+ g_error ("unknown type 0x%02x in mono_type_to_stloc_coerce", type->type);
+ }
+ return -1;
+}
+
static void
emit_stloc_ir (MonoCompile *cfg, MonoInst **sp, MonoMethodHeader *header, int n)
{
MonoInst *ins;
+ guint32 coerce_op = mono_type_to_stloc_coerce (header->locals [n]);
+
+ if (coerce_op) {
+ if (cfg->cbb->last_ins == sp [0] && sp [0]->opcode == coerce_op) {
+ if (cfg->verbose_level > 2)
+ printf ("Found existing coercing is enough for stloc\n");
+ } else {
+ MONO_INST_NEW (cfg, ins, coerce_op);
+ ins->dreg = alloc_ireg (cfg);
+ ins->sreg1 = sp [0]->dreg;
+ ins->type = STACK_I4;
+ ins->klass = mono_class_from_mono_type (header->locals [n]);
+ MONO_ADD_INS (cfg->cbb, ins);
+ *sp = mono_decompose_opcode (cfg, ins);
+ }
+ }
+
+
guint32 opcode = mono_type_to_regmove (cfg, header->locals [n]);
if ((opcode == OP_MOVE) && cfg->cbb->last_ins == sp [0] &&
((sp [0]->opcode == OP_ICONST) || (sp [0]->opcode == OP_I8CONST))) {
}
}
+static void
+emit_starg_ir (MonoCompile *cfg, MonoInst **sp, int n)
+{
+ MonoInst *ins;
+ guint32 coerce_op = mono_type_to_stloc_coerce (cfg->arg_types [n]);
+
+ if (coerce_op) {
+ if (cfg->cbb->last_ins == sp [0] && sp [0]->opcode == coerce_op) {
+ if (cfg->verbose_level > 2)
+ printf ("Found existing coercing is enough for starg\n");
+ } else {
+ MONO_INST_NEW (cfg, ins, coerce_op);
+ ins->dreg = alloc_ireg (cfg);
+ ins->sreg1 = sp [0]->dreg;
+ ins->type = STACK_I4;
+ ins->klass = mono_class_from_mono_type (cfg->arg_types [n]);
+ MONO_ADD_INS (cfg->cbb, ins);
+ *sp = mono_decompose_opcode (cfg, ins);
+ }
+ }
+
+ EMIT_NEW_ARGSTORE (cfg, ins, n, *sp);
+}
+
/*
* ldloca inhibits many optimizations so try to get rid of it in common
* cases.
CHECK_ARG (n);
if (!dont_verify_stloc && target_type_is_incompatible (cfg, param_types [ip [1]], *sp))
UNVERIFIED;
- EMIT_NEW_ARGSTORE (cfg, ins, n, *sp);
+ emit_starg_ir (cfg, sp, n);
ip += 2;
break;
case CEE_LDLOC_S:
CHECK_ARG (n);
if (!dont_verify_stloc && target_type_is_incompatible (cfg, param_types [n], *sp))
UNVERIFIED;
- EMIT_NEW_ARGSTORE (cfg, ins, n, *sp);
+ emit_starg_ir (cfg, sp, n);
ip += 4;
break;
case CEE_LDLOC: