/* * inssel.brg: instruction selection * * Author: * Dietmar Maurer (dietmar@ximian.com) * Paolo Molaro (lupus@ximian.com) * * (C) 2002 Ximian, Inc. * */ #include #include #include "mini.h" #include #include #define MBTREE_TYPE MonoInst #define MBCGEN_TYPE MonoCompile #define MBCOST_DATA MonoCompile #define MBALLOC_STATE mono_mempool_alloc (data->state_pool, sizeof (MBState)) #define MBMAX_OPCODES OP_LAST #define MBGET_OP_NAME(op) mono_inst_name (op) #define MBTREE_OP(t) ((t)->opcode) #define MBTREE_LEFT(t) ((t)->inst_left) #define MBTREE_RIGHT(t) ((t)->inst_right) #define MONO_EMIT_UNALU(cfg,inst,op,dr,sr1) do { \ (inst)->opcode = op; \ (inst)->dreg = dr; \ (inst)->sreg1 = sr1; \ mono_bblock_add_inst (cfg->cbb, inst); \ } while (0) #define MONO_EMIT_NEW_UNALU(cfg,op,dr,sr1) do { \ MonoInst *inst; \ inst = mono_mempool_alloc0 ((cfg)->mempool, sizeof (MonoInst)); \ inst->opcode = op; \ inst->dreg = dr; \ inst->sreg1 = sr1; \ mono_bblock_add_inst (cfg->cbb, inst); \ } while (0) #define MONO_EMIT_BIALU(cfg,inst,op,dr,sr1,sr2) do { \ (inst)->opcode = op; \ (inst)->dreg = dr; \ (inst)->sreg1 = sr1; \ (inst)->sreg2 = sr2; \ mono_bblock_add_inst (cfg->cbb, inst); \ } while (0) #define MONO_EMIT_NEW_BIALU(cfg,op,dr,sr1,sr2) do { \ MonoInst *inst; \ inst = mono_mempool_alloc0 ((cfg)->mempool, sizeof (MonoInst)); \ inst->opcode = op; \ inst->dreg = dr; \ inst->sreg1 = sr1; \ inst->sreg2 = sr2; \ mono_bblock_add_inst (cfg->cbb, inst); \ } while (0) #define MONO_EMIT_BIALU_IMM(cfg,inst,op,dr,sr,imm) do { \ (inst)->opcode = op; \ (inst)->dreg = dr; \ (inst)->sreg1 = sr; \ (inst)->inst_p1 = GINT_TO_POINTER (imm); \ mono_bblock_add_inst (cfg->cbb, inst); \ } while (0) #define MONO_EMIT_NEW_BIALU_IMM(cfg,op,dr,sr,imm) do { \ MonoInst *inst; \ inst = mono_mempool_alloc0 ((cfg)->mempool, sizeof (MonoInst)); \ inst->opcode = op; \ inst->dreg = dr; \ inst->sreg1 = sr; \ inst->inst_p1 = GINT_TO_POINTER (imm); \ mono_bblock_add_inst (cfg->cbb, inst); \ } while (0) #define MONO_EMIT_LOAD_MEMBASE(cfg,inst,dr,base,offset) do { \ (inst)->opcode = OP_LOAD_MEMBASE; \ (inst)->dreg = dr; \ (inst)->inst_basereg = base; \ (inst)->inst_offset = offset; \ mono_bblock_add_inst (cfg->cbb, inst); \ } while (0) #define MONO_EMIT_LOAD_MEMBASE_OP(cfg,inst,op,dr,base,offset) do { \ (inst)->opcode = op; \ (inst)->dreg = dr; \ (inst)->inst_basereg = base; \ (inst)->inst_offset = offset; \ mono_bblock_add_inst (cfg->cbb, inst); \ } while (0) #define MONO_EMIT_NEW_LOAD_MEM(cfg,dr,addr) do { \ MonoInst *inst; \ inst = mono_mempool_alloc0 ((cfg)->mempool, sizeof (MonoInst)); \ inst->opcode = OP_LOADU4_MEM; \ inst->dreg = dr; \ inst->inst_p0 = addr; \ mono_bblock_add_inst (cfg->cbb, inst); \ } while (0) #define MONO_EMIT_NEW_LOAD_MEMBASE(cfg,dr,base,offset) do { \ MonoInst *inst; \ inst = mono_mempool_alloc0 ((cfg)->mempool, sizeof (MonoInst)); \ inst->opcode = OP_LOAD_MEMBASE; \ inst->dreg = dr; \ inst->inst_basereg = base; \ inst->inst_offset = offset; \ mono_bblock_add_inst (cfg->cbb, inst); \ } while (0) #define MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg,op,dr,base,offset) do { \ MonoInst *inst; \ inst = mono_mempool_alloc0 ((cfg)->mempool, sizeof (MonoInst)); \ inst->opcode = op; \ inst->dreg = dr; \ inst->inst_basereg = base; \ inst->inst_offset = offset; \ mono_bblock_add_inst (cfg->cbb, inst); \ } while (0) #define MONO_EMIT_STORE_MEMBASE(cfg,inst,op,base,offset,sr) do { \ (inst)->opcode = op; \ (inst)->sreg1 = sr; \ (inst)->inst_destbasereg = base; \ (inst)->inst_offset = offset; \ mono_bblock_add_inst (cfg->cbb, inst); \ } while (0) #define MONO_EMIT_NEW_STORE_MEMBASE(cfg,op,base,offset,sr) do { \ MonoInst *inst; \ inst = mono_mempool_alloc0 ((cfg)->mempool, sizeof (MonoInst)); \ inst->opcode = op; \ inst->sreg1 = sr; \ inst->inst_destbasereg = base; \ inst->inst_offset = offset; \ mono_bblock_add_inst (cfg->cbb, inst); \ } while (0) #define MONO_EMIT_STORE_MEMBASE_IMM(cfg,inst,op,base,offset,imm) do { \ (inst)->opcode = op; \ (inst)->inst_destbasereg = base; \ (inst)->inst_offset = offset; \ (inst)->inst_p1 = (gpointer)imm; \ mono_bblock_add_inst (cfg->cbb, inst); \ } while (0) #define MONO_EMIT_NEW_STORE_MEMBASE_IMM(cfg,op,base,offset,imm) do { \ MonoInst *inst; \ inst = mono_mempool_alloc0 ((cfg)->mempool, sizeof (MonoInst)); \ inst->opcode = op; \ inst->inst_destbasereg = base; \ inst->inst_offset = offset; \ inst->inst_p1 = (gpointer)imm; \ mono_bblock_add_inst (cfg->cbb, inst); \ } while (0) #define MONO_EMIT_NEW_COMPARE_IMM(cfg,sr1,imm) do { \ MonoInst *inst; \ inst = mono_mempool_alloc0 ((cfg)->mempool, sizeof (MonoInst)); \ inst->opcode = OP_COMPARE_IMM; \ inst->sreg1 = sr1; \ inst->inst_p1 = (gpointer)imm; \ mono_bblock_add_inst ((cfg)->cbb, inst); \ } while (0) #define MONO_EMIT_NEW_ICOMPARE_IMM(cfg,sr1,imm) do { \ MonoInst *inst; \ inst = mono_mempool_alloc0 ((cfg)->mempool, sizeof (MonoInst)); \ inst->opcode = sizeof (void*) == 8 ? OP_ICOMPARE_IMM : OP_COMPARE_IMM; \ inst->sreg1 = sr1; \ inst->inst_p1 = (gpointer)imm; \ mono_bblock_add_inst ((cfg)->cbb, inst); \ } while (0) #define MONO_EMIT_NEW_COND_EXC(cfg,cond,name) do { \ MonoInst *inst; \ inst = mono_mempool_alloc0 ((cfg)->mempool, sizeof (MonoInst)); \ inst->opcode = OP_COND_EXC_##cond; \ inst->inst_p1 = (char*)name; \ mono_bblock_add_inst ((cfg)->cbb, inst); \ } while (0) #define MONO_EMIT_NEW_ICONST(cfg,dr,imm) do { \ MonoInst *inst; \ inst = mono_mempool_alloc0 ((cfg)->mempool, sizeof (MonoInst)); \ inst->opcode = OP_ICONST; \ inst->dreg = dr; \ inst->inst_c0 = imm; \ mono_bblock_add_inst ((cfg)->cbb, inst); \ } while (0) #define MONO_EMIT_NEW_I8CONST(cfg,dr,imm) do { \ MonoInst *inst; \ inst = mono_mempool_alloc0 ((cfg)->mempool, sizeof (MonoInst)); \ inst->opcode = OP_I8CONST; \ inst->dreg = dr; \ inst->inst_l = imm; \ mono_bblock_add_inst ((cfg)->cbb, inst); \ } while (0) #define MONO_EMIT_NEW_PCONST(cfg,dr,imm) do { \ MonoInst *inst; \ inst = mono_mempool_alloc0 ((cfg)->mempool, sizeof (MonoInst)); \ inst->opcode = OP_ICONST; \ inst->dreg = dr; \ inst->inst_p0 = (gpointer) imm; \ mono_bblock_add_inst ((cfg)->cbb, inst); \ } while (0) #ifdef MONO_ARCH_NEED_GOT_VAR #define MONO_EMIT_NEW_AOTCONST(cfg,dr,cons,patch_type) do { \ mini_emit_aotconst ((cfg), (dr), (patch_type), (cons)); \ } while (0) #else #define MONO_EMIT_NEW_AOTCONST(cfg,dr,imm,type) do { \ MonoInst *inst; \ inst = mono_mempool_alloc0 ((cfg)->mempool, sizeof (MonoInst)); \ inst->opcode = OP_AOTCONST; \ inst->dreg = dr; \ inst->inst_p0 = imm; \ inst->inst_c1 = type; \ mono_bblock_add_inst ((cfg)->cbb, inst); \ } while (0) #endif #define MONO_EMIT_NEW_CLASSCONST(cfg,dr,imm) MONO_EMIT_NEW_AOTCONST(cfg,dr,imm,MONO_PATCH_INFO_CLASS) #define MONO_EMIT_NEW_VTABLECONST(cfg,dest,vtable) MONO_EMIT_NEW_AOTCONST ((cfg), (dest), (cfg)->compile_aot ? (gpointer)((vtable)->klass) : (vtable), MONO_PATCH_INFO_VTABLE) #define MONO_EMIT_NEW_BRANCH_BLOCK(cfg,op,targetbb) do { \ MonoInst *inst; \ MonoInst *target_label; \ target_label = mono_mempool_alloc0 ((cfg)->mempool, sizeof (MonoInst)); \ target_label->opcode = OP_LABEL; \ target_label->next = (targetbb)->code; \ target_label->inst_c0 = (targetbb)->native_offset; \ (targetbb)->code = target_label; \ inst = mono_mempool_alloc0 ((cfg)->mempool, sizeof (MonoInst)); \ inst->opcode = op; \ inst->inst_i0 = target_label; \ inst->flags = MONO_INST_BRLABEL; \ mono_bblock_add_inst ((cfg)->cbb, inst); \ } while (0) #define MONO_EMIT_NEW_BRANCH_LABEL(cfg,op,label) do { \ MonoInst *inst; \ inst = mono_mempool_alloc0 ((cfg)->mempool, sizeof (MonoInst)); \ inst->opcode = op; \ inst->inst_i0 = label; \ inst->flags = MONO_INST_BRLABEL; \ mono_bblock_add_inst ((cfg)->cbb, inst); \ } while (0) #define MONO_NEW_LABEL(cfg,inst) do { \ (inst) = mono_mempool_alloc0 ((cfg)->mempool, sizeof (MonoInst)); \ (inst)->opcode = OP_LABEL; \ } while (0) #define MONO_EMIT_BOUNDS_CHECK(cfg, array_reg, array_type, array_length_field, index_reg) do { \ if (! (state->tree->flags & MONO_INST_NORANGECHECK)) { \ int _length_reg = mono_regstate_next_int (cfg->rs); \ MONO_EMIT_NEW_LOAD_MEMBASE_OP (cfg, OP_LOADI4_MEMBASE, _length_reg, array_reg, G_STRUCT_OFFSET (array_type, array_length_field)); \ MONO_EMIT_NEW_BIALU (cfg, OP_COMPARE, -1, _length_reg, index_reg); \ MONO_EMIT_NEW_COND_EXC (cfg, LE_UN, "IndexOutOfRangeException"); \ } \ } while (0) #define MONO_EMIT_BOUNDS_CHECK_IMM(cfg, array_reg, array_type, array_length_field, index_imm) do { \ if (! (state->tree->flags & MONO_INST_NORANGECHECK)) { \ int _length_reg = mono_regstate_next_int (cfg->rs); \ MONO_EMIT_NEW_LOAD_MEMBASE_OP (cfg, OP_LOADI4_MEMBASE, _length_reg, array_reg, G_STRUCT_OFFSET (array_type, array_length_field)); \ MONO_EMIT_NEW_BIALU_IMM (cfg, OP_COMPARE_IMM, -1, _length_reg, index_imm); \ MONO_EMIT_NEW_COND_EXC (cfg, LE_UN, "IndexOutOfRangeException"); \ } \ } while (0) /* we need to kludge state because monoburg puts this stuff before the definition of MBState */ void mini_emit_virtual_call (MonoCompile *s, void *state, MonoInst *tree, int novirt_op, int virtop); void mini_emit_isninst_cast (MonoCompile *s, int klass_reg, MonoClass *klass, MonoInst *false_target, MonoInst *true_target); void mini_emit_isninst_iface_cast (MonoCompile *s, int vtable_reg, MonoClass *klass, MonoInst *false_target, MonoInst *true_target); void mini_emit_isninst_iface_class_cast (MonoCompile *s, int klass_reg, MonoClass *klass, MonoInst *false_target, MonoInst *true_target); void mini_emit_castclass (MonoCompile *s, int klass_reg, MonoClass *klass); void mini_emit_castclass_iface (MonoCompile *s, int vtable_reg, MonoClass *klass); void mini_emit_castclass_iface_class (MonoCompile *s, int klass_reg, MonoClass *klass); void mini_emit_memcpy (MonoCompile *s, int destreg, int doffset, int srcreg, int soffset, int size, int align); void mini_emit_memset (MonoCompile *s, int destreg, int offset, int size, int val, int align); int ldind_to_load_membase (int opcode); void mini_emit_aotconst (MonoCompile *cfg, int dreg, MonoJumpInfoType patch_type, gpointer cons); %% %termprefix OP_ CEE_ %start stmt # # base addressing mode # base: reg "0" { /* we create a new MonoInst in chain rules and set state->tree to it * since a MBState (and hence state->tree) is reused in chain rules and * normal rules. */ MonoInst *inst; inst = mono_mempool_alloc0 (s->mempool, sizeof (MonoInst)); inst->opcode = OP_ICONST; /* doesn't matter */ inst->inst_basereg = state->reg1; inst->inst_offset = 0; state->tree = inst; //g_print ("mybase: (assigned R%d from R%d - R%d)\n", state->reg1, tree->dreg, state->reg2); //tree->inst_offset = 0; //tree->inst_basereg = state->reg1; } base: CEE_LDIND_I (OP_REGVAR) "0" { tree->inst_offset = 0; tree->inst_basereg = state->left->tree->dreg; } base: OP_REGOFFSET "0" { /* nothing to do */ } base: OP_LDADDR (OP_REGOFFSET), base: CEE_LDOBJ (OP_REGOFFSET) "0" { tree->inst_offset = state->left->tree->inst_offset; tree->inst_basereg = state->left->tree->inst_basereg; } base: CEE_ADD (base, OP_ICONST) "0" { tree->inst_offset = state->left->tree->inst_offset + state->right->tree->inst_c0; tree->inst_basereg = state->left->tree->inst_basereg; } base: CEE_ADD (CEE_LDIND_REF (OP_REGVAR), OP_ICONST), base: CEE_ADD (CEE_LDIND_I (OP_REGVAR), OP_ICONST) "0" { tree->inst_offset = state->right->tree->inst_c0; tree->inst_basereg = state->left->left->tree->dreg; } # # helpers # reg: OP_ICONST { MONO_EMIT_NEW_ICONST (s, state->reg1, tree->inst_c0); } reg: OP_AOTCONST { MONO_EMIT_NEW_AOTCONST (s, state->reg1, tree->inst_p0, tree->inst_c1); } reg: OP_LOAD_GOTADDR { tree->dreg = state->reg1; mono_bblock_add_inst (s->cbb, tree); } stmt: CEE_STIND_I (OP_REGVAR, OP_LOAD_GOTADDR) { tree->opcode = OP_LOAD_GOTADDR; tree->dreg = state->left->tree->dreg; mono_bblock_add_inst (s->cbb, tree); } reg: OP_GOT_ENTRY (reg, OP_PATCH_INFO) { tree->inst_basereg = state->left->tree->dreg; tree->dreg = state->reg1; mono_bblock_add_inst (s->cbb, tree); } reg: OP_GOT_ENTRY (CEE_LDIND_I (OP_REGVAR), OP_PATCH_INFO) { tree->inst_basereg = state->left->left->tree->dreg; tree->dreg = state->reg1; mono_bblock_add_inst (s->cbb, tree); } stmt: OP_DUMMY_USE (CEE_LDIND_I (OP_REGVAR)) { } stmt: OP_DUMMY_USE (CEE_LDIND_I (OP_REGOFFSET)) { } stmt: OP_DUMMY_USE (CEE_LDIND_REF (OP_REGOFFSET)) { } stmt: OP_DUMMY_STORE { } # # load/store operations # reg: CEE_LDIND_I (base), reg: CEE_LDIND_REF (base), reg: CEE_LDIND_I1 (base), reg: CEE_LDIND_U1 (base), reg: CEE_LDIND_I2 (base), reg: CEE_LDIND_U2 (base), reg: CEE_LDIND_I4 (base), reg: CEE_LDIND_U4 (base) { MONO_EMIT_LOAD_MEMBASE_OP (s, tree, ldind_to_load_membase (tree->opcode), state->reg1, state->left->tree->inst_basereg, state->left->tree->inst_offset); } reg: OP_LDADDR (OP_REGOFFSET), reg: CEE_LDOBJ (OP_REGOFFSET) "2" { /* use LEA */ tree->opcode = OP_MOVE; tree->sreg1 = state->left->tree->inst_basereg; tree->dreg = state->reg1; mono_bblock_add_inst (s->cbb, tree); if (state->left->tree->inst_offset) MONO_EMIT_NEW_BIALU_IMM (s, OP_ADD_IMM, tree->dreg, tree->dreg, state->left->tree->inst_offset); } reg: CEE_LDOBJ (reg), reg: OP_OBJADDR (reg), reg: OP_VTADDR (reg) { MONO_EMIT_UNALU (s, tree, OP_MOVE, state->reg1, state->left->reg1); } reg: CEE_LDIND_U1 (OP_REGVAR) { MONO_EMIT_BIALU_IMM (s, tree, OP_AND_IMM, state->reg1, state->left->tree->dreg, 0xff); } reg: CEE_LDIND_U2 (OP_REGVAR) { MONO_EMIT_BIALU_IMM (s, tree, OP_AND_IMM, state->reg1, state->left->tree->dreg, 0xffff); } stmt: CEE_STIND_REF (base, CEE_LDIND_REF (OP_REGVAR)), stmt: CEE_STIND_REF (base, CEE_LDIND_I (OP_REGVAR)), stmt: CEE_STIND_I (base, CEE_LDIND_REF (OP_REGVAR)), stmt: CEE_STIND_I (base, CEE_LDIND_I (OP_REGVAR)) { MONO_EMIT_STORE_MEMBASE (s, tree, OP_STORE_MEMBASE_REG, state->left->tree->inst_basereg, state->left->tree->inst_offset, state->right->left->tree->dreg); } stmt: CEE_STIND_REF (OP_REGVAR, CEE_LDIND_REF (OP_REGVAR)), stmt: CEE_STIND_REF (OP_REGVAR, CEE_LDIND_I (OP_REGVAR)), stmt: CEE_STIND_I (OP_REGVAR, CEE_LDIND_REF (OP_REGVAR)), stmt: CEE_STIND_I (OP_REGVAR, CEE_LDIND_I (OP_REGVAR)), stmt: CEE_STIND_I4 (OP_REGVAR, CEE_LDIND_I4 (OP_REGVAR)) { MONO_EMIT_UNALU (s, tree, OP_MOVE, state->left->tree->dreg, state->right->left->tree->dreg); } stmt: CEE_STIND_I (base, reg), stmt: CEE_STIND_REF (base, reg) { MONO_EMIT_STORE_MEMBASE (s, tree, OP_STORE_MEMBASE_REG, state->left->tree->inst_basereg, state->left->tree->inst_offset, state->right->reg1); } stmt: CEE_STIND_I (base, OP_ICONST), stmt: CEE_STIND_REF (base, OP_ICONST) { MONO_EMIT_STORE_MEMBASE_IMM (s, tree, OP_STORE_MEMBASE_IMM, state->left->tree->inst_basereg, state->left->tree->inst_offset, state->right->tree->inst_c0); } reg: CEE_LDIND_REF (OP_REGVAR), reg: CEE_LDIND_I (OP_REGVAR), reg: CEE_LDIND_I4 (OP_REGVAR), reg: CEE_LDIND_U4 (OP_REGVAR) { MONO_EMIT_UNALU (s, tree, OP_MOVE, state->reg1, state->left->tree->dreg); } stmt: CEE_STIND_I4 (base, reg) { MONO_EMIT_STORE_MEMBASE (s, tree, OP_STOREI4_MEMBASE_REG, state->left->tree->inst_basereg, state->left->tree->inst_offset, state->right->reg1); } stmt: CEE_STIND_I4 (base, CEE_LDIND_I4 (OP_REGVAR)) { MONO_EMIT_STORE_MEMBASE (s, tree, OP_STOREI4_MEMBASE_REG, state->left->tree->inst_basereg, state->left->tree->inst_offset, state->right->left->tree->dreg); } stmt: CEE_STIND_I4 (base, OP_ICONST) { MONO_EMIT_STORE_MEMBASE_IMM (s, tree, OP_STOREI4_MEMBASE_IMM, state->left->tree->inst_basereg, state->left->tree->inst_offset, state->right->tree->inst_c0); } stmt: CEE_STIND_I4 (OP_REGVAR, CEE_LDIND_I4 (base)) { MONO_EMIT_LOAD_MEMBASE_OP (s, tree, OP_LOADI4_MEMBASE, state->left->tree->dreg, state->right->left->tree->inst_basereg, state->right->left->tree->inst_offset); } stmt: CEE_STIND_I1 (base, reg) { MONO_EMIT_STORE_MEMBASE (s, tree, OP_STOREI1_MEMBASE_REG, state->left->tree->inst_basereg, state->left->tree->inst_offset, state->right->reg1); } stmt: CEE_STIND_I1 (base, OP_ICONST) { MONO_EMIT_STORE_MEMBASE_IMM (s, tree, OP_STOREI1_MEMBASE_IMM, state->left->tree->inst_basereg, state->left->tree->inst_offset, state->right->tree->inst_c0); } stmt: CEE_STIND_I2 (base, reg) { MONO_EMIT_STORE_MEMBASE (s, tree, OP_STOREI2_MEMBASE_REG, state->left->tree->inst_basereg, state->left->tree->inst_offset, state->right->reg1); } stmt: CEE_STIND_I2 (base, OP_ICONST) { MONO_EMIT_STORE_MEMBASE_IMM (s, tree, OP_STOREI2_MEMBASE_IMM, state->left->tree->inst_basereg, state->left->tree->inst_offset, state->right->tree->inst_c0); } stmt: CEE_STIND_I2 (OP_REGVAR, reg) { MONO_EMIT_BIALU_IMM (s, tree, OP_AND_IMM, state->left->tree->dreg, state->right->reg1, 0xffff); } stmt: CEE_STIND_I1 (OP_REGVAR, reg) { MONO_EMIT_BIALU_IMM (s, tree, OP_AND_IMM, state->left->tree->dreg, state->right->reg1, 0xff); } stmt: CEE_STIND_I1 (OP_REGVAR, CEE_LDIND_U1 (OP_REGVAR)), stmt: CEE_STIND_I1 (OP_REGVAR, CEE_LDIND_I1 (OP_REGVAR)) { MONO_EMIT_BIALU_IMM (s, tree, OP_AND_IMM, state->left->tree->dreg, state->right->left->tree->dreg, 0xff); } stmt: CEE_STIND_I2 (OP_REGVAR, CEE_LDIND_U2 (OP_REGVAR)), stmt: CEE_STIND_I2 (OP_REGVAR, CEE_LDIND_I2 (OP_REGVAR)) { MONO_EMIT_BIALU_IMM (s, tree, OP_AND_IMM, state->left->tree->dreg, state->right->left->tree->dreg, 0xffff); } stmt: CEE_STIND_I4 (OP_REGVAR, OP_ICONST), stmt: CEE_STIND_I2 (OP_REGVAR, OP_ICONST), stmt: CEE_STIND_I1 (OP_REGVAR, OP_ICONST), stmt: CEE_STIND_REF (OP_REGVAR, OP_ICONST), stmt: CEE_STIND_I (OP_REGVAR, OP_ICONST) { tree->inst_c0 = state->right->tree->inst_c0; if (tree->opcode == CEE_STIND_I2) tree->inst_c0 &= 0xffff; if (tree->opcode == CEE_STIND_I1) tree->inst_c0 &= 0xff; tree->opcode = OP_ICONST; tree->dreg = state->left->tree->dreg; mono_bblock_add_inst (s->cbb, tree); } stmt: CEE_STIND_I4 (OP_REGVAR, reg), stmt: CEE_STIND_REF (OP_REGVAR, reg), stmt: CEE_STIND_I (OP_REGVAR, reg) { MONO_EMIT_UNALU (s, tree, OP_MOVE, state->left->tree->dreg, state->right->reg1); } stmt: OP_MEMCPY (base, base) { int size = tree->unused; if (size > 0) mini_emit_memcpy (s, state->left->tree->inst_basereg, state->left->tree->inst_offset, state->right->tree->inst_basereg, state->right->tree->inst_offset, size, 0); } stmt: OP_MEMSET (base) { int size = tree->unused; if (size > 0) mini_emit_memset (s, state->left->tree->inst_basereg, state->left->tree->inst_offset, size, tree->inst_imm, 0); } reg: OP_LDELEMA2D (reg, OP_GROUP (reg, reg)) "20" { int bounds_reg = mono_regstate_next_int (s->rs); int add_reg = mono_regstate_next_int (s->rs); int mult_reg = mono_regstate_next_int (s->rs); int mult2_reg = mono_regstate_next_int (s->rs); int low1_reg = mono_regstate_next_int (s->rs); int low2_reg = mono_regstate_next_int (s->rs); int high1_reg = mono_regstate_next_int (s->rs); int high2_reg = mono_regstate_next_int (s->rs); int realidx1_reg = mono_regstate_next_int (s->rs); int realidx2_reg = mono_regstate_next_int (s->rs); int sum_reg = mono_regstate_next_int (s->rs); int index1, index2; guint32 size = mono_array_element_size (tree->klass); index1 = state->right->left->reg1; index2 = state->right->right->reg1; /* range checking */ MONO_EMIT_NEW_LOAD_MEMBASE (s, bounds_reg, state->left->reg1, G_STRUCT_OFFSET (MonoArray, bounds)); MONO_EMIT_NEW_LOAD_MEMBASE_OP (s, OP_LOADI4_MEMBASE, low1_reg, bounds_reg, G_STRUCT_OFFSET (MonoArrayBounds, lower_bound)); MONO_EMIT_NEW_BIALU (s, CEE_SUB, realidx1_reg, index1, low1_reg); MONO_EMIT_NEW_LOAD_MEMBASE_OP (s, OP_LOADI4_MEMBASE, high1_reg, bounds_reg, G_STRUCT_OFFSET (MonoArrayBounds, length)); MONO_EMIT_NEW_BIALU (s, OP_COMPARE, -1, high1_reg, realidx1_reg); MONO_EMIT_NEW_COND_EXC (s, LE_UN, "IndexOutOfRangeException"); MONO_EMIT_NEW_LOAD_MEMBASE_OP (s, OP_LOADI4_MEMBASE, low2_reg, bounds_reg, sizeof (MonoArrayBounds) + G_STRUCT_OFFSET (MonoArrayBounds, lower_bound)); MONO_EMIT_NEW_BIALU (s, CEE_SUB, realidx2_reg, index2, low2_reg); MONO_EMIT_NEW_LOAD_MEMBASE_OP (s, OP_LOADI4_MEMBASE, high2_reg, bounds_reg, sizeof (MonoArrayBounds) + G_STRUCT_OFFSET (MonoArrayBounds, length)); MONO_EMIT_NEW_BIALU (s, OP_COMPARE, -1, high2_reg, realidx2_reg); MONO_EMIT_NEW_COND_EXC (s, LE_UN, "IndexOutOfRangeException"); MONO_EMIT_NEW_BIALU (s, CEE_MUL, mult_reg, high2_reg, realidx1_reg); MONO_EMIT_NEW_BIALU (s, CEE_ADD, sum_reg, mult_reg, realidx2_reg); MONO_EMIT_NEW_BIALU_IMM (s, OP_MUL_IMM, mult2_reg, sum_reg, size); MONO_EMIT_NEW_BIALU (s, CEE_ADD, add_reg, mult2_reg, state->left->reg1); MONO_EMIT_NEW_BIALU_IMM (s, OP_ADD_IMM, state->reg1, add_reg, G_STRUCT_OFFSET (MonoArray, vector)); } # # conversions: conv_u can be implemented with AND, also all _ovf conversions? # reg: CEE_CONV_I1 (reg), reg: CEE_CONV_I2 (reg), reg: CEE_CONV_I4 (reg) { MONO_EMIT_UNALU (s, tree, tree->opcode, state->reg1, state->left->reg1); } reg: CEE_CONV_U1 (reg) { MONO_EMIT_BIALU_IMM (s, tree, OP_AND_IMM, state->reg1, state->left->reg1, 0xff); } reg: CEE_CONV_U2 (reg) { MONO_EMIT_BIALU_IMM (s, tree, OP_AND_IMM, state->reg1, state->left->reg1, 0xffff); } reg: CEE_CONV_U4 (reg), reg: CEE_CONV_U (reg), reg: CEE_CONV_I (reg) { if (sizeof (void *) == 8) MONO_EMIT_UNALU (s, tree, tree->opcode, state->reg1, state->left->reg1); else MONO_EMIT_UNALU (s, tree, OP_MOVE, state->reg1, state->left->reg1); } reg: CEE_CONV_OVF_I4 (reg) { MONO_EMIT_UNALU (s, tree, OP_MOVE, state->reg1, state->left->reg1); } reg: CEE_CONV_OVF_U4 (reg), reg: CEE_CONV_OVF_I4_UN (reg) { if (sizeof (void *) == 8) { MONO_EMIT_UNALU (s, tree, tree->opcode, state->reg1, state->left->reg1); } else { MONO_EMIT_NEW_COMPARE_IMM (s, state->left->reg1, 0); MONO_EMIT_NEW_COND_EXC (s, LT, "OverflowException"); MONO_EMIT_UNALU (s, tree, OP_MOVE, state->reg1, state->left->reg1); } } reg: CEE_CONV_OVF_I1 (reg) { MONO_EMIT_NEW_ICOMPARE_IMM (s, state->left->reg1, 127); MONO_EMIT_NEW_COND_EXC (s, GT, "OverflowException"); MONO_EMIT_NEW_ICOMPARE_IMM (s, state->left->reg1, -128); MONO_EMIT_NEW_COND_EXC (s, LT, "OverflowException"); MONO_EMIT_UNALU (s, tree, CEE_CONV_I1, state->reg1, state->left->reg1); } reg: CEE_CONV_OVF_I1_UN (reg) { /* probe values between 0 to 127 */ MONO_EMIT_NEW_ICOMPARE_IMM (s, state->left->reg1, 127); MONO_EMIT_NEW_COND_EXC (s, GT_UN, "OverflowException"); MONO_EMIT_UNALU (s, tree, CEE_CONV_I1, state->reg1, state->left->reg1); } reg: CEE_CONV_OVF_U1 (reg), reg: CEE_CONV_OVF_U1_UN (reg) { /* probe value to be within 0 to 255 */ MONO_EMIT_NEW_COMPARE_IMM (s, state->left->reg1, 255); MONO_EMIT_NEW_COND_EXC (s, GT_UN, "OverflowException"); MONO_EMIT_BIALU_IMM (s, tree, OP_AND_IMM, state->reg1, state->left->reg1, 0xff); } reg: CEE_CONV_OVF_I2 (reg) { /* Probe value to be within -32768 and 32767 */ MONO_EMIT_NEW_ICOMPARE_IMM (s, state->left->reg1, 32767); MONO_EMIT_NEW_COND_EXC (s, GT, "OverflowException"); MONO_EMIT_NEW_ICOMPARE_IMM (s, state->left->reg1, -32768); MONO_EMIT_NEW_COND_EXC (s, LT, "OverflowException"); MONO_EMIT_UNALU (s, tree, CEE_CONV_I2, state->reg1, state->left->reg1); } reg: CEE_CONV_OVF_I2_UN (reg) { /* Convert uint value into short, value within 0 and 32767 */ MONO_EMIT_NEW_ICOMPARE_IMM (s, state->left->reg1, 32767); MONO_EMIT_NEW_COND_EXC (s, GT_UN, "OverflowException"); MONO_EMIT_UNALU (s, tree, CEE_CONV_I2, state->reg1, state->left->reg1); } reg: CEE_CONV_OVF_U2 (reg), reg: CEE_CONV_OVF_U2_UN (reg) { /* Probe value to be within 0 and 65535 */ MONO_EMIT_NEW_ICOMPARE_IMM (s, state->left->reg1, 0xffff); MONO_EMIT_NEW_COND_EXC (s, GT_UN, "OverflowException"); MONO_EMIT_BIALU_IMM (s, tree, OP_AND_IMM, state->reg1, state->left->reg1, 0xffff); } # # other alu operations # reg: OP_CEQ (cflags), reg: OP_CLT (cflags), reg: OP_CLT_UN (cflags), reg: OP_CGT (cflags), reg: OP_CGT_UN (cflags) { tree->dreg = state->reg1; mono_bblock_add_inst (s->cbb, tree); } # # control flow commands # stmt: OP_LABEL { mono_bblock_add_inst (s->cbb, tree); } stmt: CEE_NOP "0" { } stmt: CEE_BREAK "0" { mono_bblock_add_inst (s->cbb, tree); } reg: OP_TLS_GET { tree->dreg = state->reg1; mono_bblock_add_inst (s->cbb, tree); } stmt: CEE_SWITCH (reg) { MonoInst *label; int offset_reg = mono_regstate_next_int (s->rs); int target_reg = mono_regstate_next_int (s->rs); int n = GPOINTER_TO_INT (tree->klass); MONO_NEW_LABEL (s, label); MONO_EMIT_NEW_BIALU_IMM (s, OP_COMPARE_IMM, -1, state->left->reg1, n); MONO_EMIT_NEW_BRANCH_BLOCK (s, CEE_BGE_UN, tree->inst_many_bb [n]); if (sizeof (gpointer) == 8) MONO_EMIT_NEW_BIALU_IMM (s, OP_SHL_IMM, offset_reg, state->left->reg1, 3); else MONO_EMIT_NEW_BIALU_IMM (s, OP_SHL_IMM, offset_reg, state->left->reg1, 2); mono_bblock_add_inst (s->cbb, label); if (s->compile_aot) { int table_reg = mono_regstate_next_int (s->rs); int sum_reg = mono_regstate_next_int (s->rs); MonoJumpInfoBBTable *table; table = mono_mempool_alloc (s->mempool, sizeof (MonoJumpInfoBBTable)); table->table = tree->inst_many_bb; table->table_size = n; MONO_EMIT_NEW_AOTCONST (s, table_reg, table, MONO_PATCH_INFO_SWITCH); MONO_EMIT_NEW_BIALU (s, CEE_ADD, sum_reg, table_reg, offset_reg); MONO_EMIT_NEW_LOAD_MEMBASE (s, target_reg, sum_reg, 0); } else { mono_create_jump_table (s, label, tree->inst_many_bb, n); /* the backend must patch the address. we use 0xf0f0f0f0 to avoid the usage * of special (short) opcodes on x86 */ if (sizeof (gpointer) == 8) MONO_EMIT_NEW_LOAD_MEMBASE (s, target_reg, offset_reg, (long)0xf0f0f0f0f0f0f0f1LL); else MONO_EMIT_NEW_LOAD_MEMBASE (s, target_reg, offset_reg, 0xf0f0f0f0); } MONO_EMIT_UNALU (s, tree, OP_BR_REG, -1, target_reg); } stmt: CEE_BR "0" { mono_bblock_add_inst (s->cbb, tree); } stmt: OP_ARGLIST (reg) { tree->sreg1 = state->left->reg1; mono_bblock_add_inst (s->cbb, tree); } reg: CEE_CALL { tree->dreg = state->reg1; mono_bblock_add_inst (s->cbb, tree); } reg: CEE_CALLVIRT (reg) { mini_emit_virtual_call (s, state, tree, CEE_CALL, OP_CALL_MEMBASE); } stmt: OP_VOIDCALLVIRT (reg) { mini_emit_virtual_call (s, state, tree, OP_VOIDCALL, OP_VOIDCALL_MEMBASE); } freg: OP_FCALLVIRT (reg) { mini_emit_virtual_call (s, state, tree, OP_FCALL, OP_FCALL_MEMBASE); } stmt: OP_VCALLVIRT (reg, reg) { mini_emit_virtual_call (s, state, tree, OP_VCALL, OP_VCALL_MEMBASE); } reg: OP_CALL_REG (reg) { tree->sreg1 = state->left->reg1; tree->dreg = state->reg1; mono_bblock_add_inst (s->cbb, tree); } stmt: OP_VOIDCALL { mono_bblock_add_inst (s->cbb, tree); } stmt: OP_VOIDCALL_REG (reg) { tree->sreg1 = state->left->reg1; mono_bblock_add_inst (s->cbb, tree); } freg: OP_FCALL { tree->dreg = state->reg1; mono_bblock_add_inst (s->cbb, tree); } freg: OP_FCALL_REG (reg) { tree->sreg1 = state->left->reg1; tree->dreg = state->reg1; mono_bblock_add_inst (s->cbb, tree); } stmt: OP_VCALL (reg) { mono_arch_emit_this_vret_args (s, (MonoCallInst*)tree, -1, -1, state->left->reg1); mono_bblock_add_inst (s->cbb, tree); } stmt: OP_VCALL_REG (reg, reg) { mono_arch_emit_this_vret_args (s, (MonoCallInst*)tree, -1, -1, state->right->reg1); tree->sreg1 = state->left->reg1; mono_bblock_add_inst (s->cbb, tree); } stmt: OP_SAVE_LMF, stmt: OP_RESTORE_LMF { mono_bblock_add_inst (s->cbb, tree); } # # Optimized call instructions # reg: OP_CALL_REG (OP_ICONST), reg: OP_CALL_REG (OP_I8CONST) { tree->opcode = CEE_CALL; ((MonoCallInst*)tree)->fptr = state->left->tree->inst_p0; tree->dreg = state->reg1; mono_bblock_add_inst (s->cbb, tree); } stmt: OP_VOIDCALL_REG (OP_ICONST), stmt: OP_VOIDCALL_REG (OP_I8CONST) { tree->opcode = OP_VOIDCALL; ((MonoCallInst*)tree)->fptr = state->left->tree->inst_p0; mono_bblock_add_inst (s->cbb, tree); } freg: OP_FCALL_REG (OP_ICONST), freg: OP_FCALL_REG (OP_I8CONST) { tree->opcode = OP_FCALL; ((MonoCallInst*)tree)->fptr = state->left->tree->inst_p0; tree->dreg = state->reg1; mono_bblock_add_inst (s->cbb, tree); } stmt: CEE_RET "0" { mono_bblock_add_inst (s->cbb, tree); } stmt: CEE_POP (reg) # remove some common pops without side effects stmt: CEE_POP (OP_ICONST) stmt: CEE_POP (CEE_LDIND_I1 (base)) stmt: CEE_POP (CEE_LDIND_U1 (base)) stmt: CEE_POP (CEE_LDIND_I2 (base)) stmt: CEE_POP (CEE_LDIND_U2 (base)) stmt: CEE_POP (CEE_LDIND_I4 (base)) stmt: CEE_POP (CEE_LDIND_U4 (base)) stmt: CEE_POP (CEE_LDIND_I (base)) stmt: CEE_POP (CEE_LDIND_REF (base)) stmt: CEE_POP (CEE_LDIND_I1 (OP_REGVAR)) stmt: CEE_POP (CEE_LDIND_U1 (OP_REGVAR)) stmt: CEE_POP (CEE_LDIND_I2 (OP_REGVAR)) stmt: CEE_POP (CEE_LDIND_U2 (OP_REGVAR)) stmt: CEE_POP (CEE_LDIND_I4 (OP_REGVAR)) stmt: CEE_POP (CEE_LDIND_U4 (OP_REGVAR)) stmt: CEE_POP (CEE_LDIND_I (OP_REGVAR)) stmt: CEE_POP (CEE_LDIND_REF (OP_REGVAR)) stmt: CEE_JMP "0" { mono_bblock_add_inst (s->cbb, tree); } # exception handling stmt: CEE_THROW (reg) { MONO_EMIT_UNALU (s, tree, CEE_THROW, -1, state->left->reg1); } stmt: OP_RETHROW (reg) { MONO_EMIT_UNALU (s, tree, OP_RETHROW, -1, state->left->reg1); } stmt: OP_THROW_OR_NULL (reg, reg) { MonoInst *dont_throw; MONO_NEW_LABEL (s, dont_throw); MONO_EMIT_NEW_BIALU (s, OP_COMPARE, 0, state->left->reg1, state->right->reg1); MONO_EMIT_NEW_BRANCH_LABEL (s, CEE_BNE_UN, dont_throw); MONO_EMIT_UNALU (s, tree, CEE_THROW, -1, state->left->reg1); mono_bblock_add_inst (s->cbb, dont_throw); } stmt: CEE_THROW (CEE_LDIND_REF (OP_REGVAR)) { MONO_EMIT_UNALU (s, tree, CEE_THROW, -1, state->left->left->tree->dreg); } stmt: OP_CALL_HANDLER { mono_bblock_add_inst (s->cbb, tree); } stmt: OP_START_HANDLER "2" { mono_bblock_add_inst (s->cbb, tree); } stmt: CEE_ENDFINALLY "2" { mono_bblock_add_inst (s->cbb, tree); } stmt: OP_ENDFILTER (reg) "2" { MONO_EMIT_UNALU (s, tree, OP_ENDFILTER, -1, state->left->reg1); } stmt: OP_CHECK_THIS (reg) { tree->sreg1 = state->left->reg1; tree->dreg = state->reg1; mono_bblock_add_inst (s->cbb, tree); } # object related opcodes reg: CEE_ISINST (reg) { MonoClass *klass = tree->inst_newa_class; MonoInst *object_is_null, *end_label, *false_label; int obj_reg = state->left->reg1; int vtable_reg = mono_regstate_next_int (s->rs); MONO_NEW_LABEL (s, object_is_null); MONO_NEW_LABEL (s, end_label); MONO_NEW_LABEL (s, false_label); MONO_EMIT_NEW_BIALU_IMM (s, OP_COMPARE_IMM, -1, obj_reg, 0); MONO_EMIT_NEW_BRANCH_LABEL (s, CEE_BEQ, object_is_null); if (klass->flags & TYPE_ATTRIBUTE_INTERFACE) { MONO_EMIT_NEW_LOAD_MEMBASE (s, vtable_reg, obj_reg, G_STRUCT_OFFSET (MonoObject, vtable)); /* the object_is_null target simply copies the input register to the output */ mini_emit_isninst_iface_cast (s, vtable_reg, klass, false_label, object_is_null); } else { int klass_reg = mono_regstate_next_int (s->rs); MONO_EMIT_NEW_LOAD_MEMBASE (s, vtable_reg, obj_reg, G_STRUCT_OFFSET (MonoObject, vtable)); if (klass->rank) { int rank_reg = mono_regstate_next_int (s->rs); int eclass_reg = mono_regstate_next_int (s->rs); MONO_EMIT_NEW_LOAD_MEMBASE_OP (s, OP_LOADU1_MEMBASE, rank_reg, vtable_reg, G_STRUCT_OFFSET (MonoVTable, rank)); MONO_EMIT_NEW_BIALU_IMM (s, OP_COMPARE_IMM, -1, rank_reg, klass->rank); MONO_EMIT_NEW_BRANCH_LABEL (s, CEE_BNE_UN, false_label); MONO_EMIT_NEW_LOAD_MEMBASE (s, klass_reg, vtable_reg, G_STRUCT_OFFSET (MonoVTable, klass)); MONO_EMIT_NEW_LOAD_MEMBASE (s, eclass_reg, klass_reg, G_STRUCT_OFFSET (MonoClass, cast_class)); if (klass->cast_class == mono_defaults.object_class) { int parent_reg = mono_regstate_next_int (s->rs); int const_reg; MONO_EMIT_NEW_LOAD_MEMBASE (s, parent_reg, eclass_reg, G_STRUCT_OFFSET (MonoClass, parent)); if (s->compile_aot) { const_reg = mono_regstate_next_int (s->rs); MONO_EMIT_NEW_CLASSCONST (s, const_reg, mono_defaults.enum_class->parent); MONO_EMIT_NEW_BIALU (s, OP_COMPARE, -1, parent_reg, const_reg); } else { MONO_EMIT_NEW_BIALU_IMM (s, OP_COMPARE_IMM, -1, parent_reg, mono_defaults.enum_class->parent); } MONO_EMIT_NEW_BRANCH_LABEL (s, CEE_BNE_UN, object_is_null); if (s->compile_aot) { MONO_EMIT_NEW_CLASSCONST (s, const_reg, mono_defaults.enum_class); MONO_EMIT_NEW_BIALU (s, OP_COMPARE, -1, eclass_reg, const_reg); } else { MONO_EMIT_NEW_BIALU_IMM (s, OP_COMPARE_IMM, -1, eclass_reg, mono_defaults.enum_class); } MONO_EMIT_NEW_BRANCH_LABEL (s, CEE_BEQ, object_is_null); MONO_EMIT_NEW_BRANCH_LABEL (s, CEE_BR, false_label); } else if (klass->cast_class == mono_defaults.enum_class->parent) { int const_reg; if (s->compile_aot) { const_reg = mono_regstate_next_int (s->rs); MONO_EMIT_NEW_CLASSCONST (s, const_reg, mono_defaults.enum_class->parent); MONO_EMIT_NEW_BIALU (s, OP_COMPARE, -1, eclass_reg, const_reg); } else { MONO_EMIT_NEW_BIALU_IMM (s, OP_COMPARE_IMM, -1, eclass_reg, mono_defaults.enum_class->parent); } MONO_EMIT_NEW_BRANCH_LABEL (s, CEE_BEQ, object_is_null); if (s->compile_aot) { MONO_EMIT_NEW_CLASSCONST (s, const_reg, mono_defaults.enum_class); MONO_EMIT_NEW_BIALU (s, OP_COMPARE, -1, eclass_reg, const_reg); } else { MONO_EMIT_NEW_BIALU_IMM (s, OP_COMPARE_IMM, -1, eclass_reg, mono_defaults.enum_class); } MONO_EMIT_NEW_BRANCH_LABEL (s, CEE_BEQ, object_is_null); MONO_EMIT_NEW_BRANCH_LABEL (s, CEE_BR, false_label); } else if (klass->cast_class == mono_defaults.enum_class) { if (s->compile_aot) { int const_reg = mono_regstate_next_int (s->rs); MONO_EMIT_NEW_CLASSCONST (s, const_reg, mono_defaults.enum_class); MONO_EMIT_NEW_BIALU (s, OP_COMPARE, -1, eclass_reg, const_reg); } else { MONO_EMIT_NEW_BIALU_IMM (s, OP_COMPARE_IMM, -1, eclass_reg, mono_defaults.enum_class); } MONO_EMIT_NEW_BRANCH_LABEL (s, CEE_BEQ, object_is_null); MONO_EMIT_NEW_BRANCH_LABEL (s, CEE_BR, false_label); } else if (klass->cast_class->flags & TYPE_ATTRIBUTE_INTERFACE) { mini_emit_isninst_iface_class_cast (s, eclass_reg, klass->cast_class, false_label, object_is_null); } else { if ((klass->rank == 1) && (klass->byval_arg.type == MONO_TYPE_SZARRAY)) { /* Check that the object is a vector too */ int bounds_reg = mono_regstate_next_int (s->rs); MONO_EMIT_NEW_LOAD_MEMBASE (s, bounds_reg, obj_reg, G_STRUCT_OFFSET (MonoArray, bounds)); MONO_EMIT_NEW_BIALU_IMM (s, OP_COMPARE_IMM, -1, bounds_reg, 0); MONO_EMIT_NEW_BRANCH_LABEL (s, CEE_BNE_UN, false_label); } /* the object_is_null target simply copies the input register to the output */ mini_emit_isninst_cast (s, eclass_reg, klass->cast_class, false_label, object_is_null); } } else { if (!s->compile_aot && !(s->opt & MONO_OPT_SHARED) && (klass->flags & TYPE_ATTRIBUTE_SEALED)) { /* the remoting code is broken, access the class for now */ if (0) { MonoVTable *vt = mono_class_vtable (s->domain, klass); MONO_EMIT_NEW_BIALU_IMM (s, OP_COMPARE_IMM, -1, vtable_reg, vt); } else { MONO_EMIT_NEW_LOAD_MEMBASE (s, klass_reg, vtable_reg, G_STRUCT_OFFSET (MonoVTable, klass)); MONO_EMIT_NEW_BIALU_IMM (s, OP_COMPARE_IMM, -1, klass_reg, klass); } MONO_EMIT_NEW_BRANCH_LABEL (s, CEE_BNE_UN, false_label); MONO_EMIT_NEW_BRANCH_LABEL (s, CEE_BR, object_is_null); } else { MONO_EMIT_NEW_LOAD_MEMBASE (s, klass_reg, vtable_reg, G_STRUCT_OFFSET (MonoVTable, klass)); /* the object_is_null target simply copies the input register to the output */ mini_emit_isninst_cast (s, klass_reg, klass, false_label, object_is_null); } } } mono_bblock_add_inst (s->cbb, false_label); MONO_EMIT_NEW_ICONST (s, state->reg1, 0); MONO_EMIT_NEW_BRANCH_LABEL (s, CEE_BR, end_label); mono_bblock_add_inst (s->cbb, object_is_null); MONO_EMIT_UNALU (s, tree, OP_MOVE, state->reg1, obj_reg); mono_bblock_add_inst (s->cbb, end_label); } reg: OP_CISINST (reg) { /* This opcode takes as input an object reference and a class, and returns: 0) if the object is an instance of the class, 1) if the object is not instance of the class, 2) if the object is a proxy whose type cannot be determined */ MonoClass *klass = tree->inst_newa_class; MonoInst *end_label, *true_label, *false_label, *false2_label; MonoInst *no_proxy_label, *interface_fail_label; int obj_reg = state->left->reg1; int tmp_reg = mono_regstate_next_int (s->rs); int klass_reg = mono_regstate_next_int (s->rs); MONO_NEW_LABEL (s, end_label); MONO_NEW_LABEL (s, true_label); MONO_NEW_LABEL (s, false_label); MONO_NEW_LABEL (s, false2_label); MONO_EMIT_NEW_BIALU_IMM (s, OP_COMPARE_IMM, -1, obj_reg, 0); MONO_EMIT_NEW_BRANCH_LABEL (s, CEE_BEQ, false_label); if (klass->flags & TYPE_ATTRIBUTE_INTERFACE) { MONO_NEW_LABEL (s, interface_fail_label); MONO_EMIT_NEW_LOAD_MEMBASE (s, tmp_reg, obj_reg, G_STRUCT_OFFSET (MonoObject, vtable)); mini_emit_isninst_iface_cast (s, tmp_reg, klass, interface_fail_label, true_label); mono_bblock_add_inst (s->cbb, interface_fail_label); MONO_EMIT_NEW_LOAD_MEMBASE (s, klass_reg, tmp_reg, G_STRUCT_OFFSET (MonoVTable, klass)); if (s->compile_aot) { int tproxy_reg = mono_regstate_next_int (s->rs); MONO_EMIT_NEW_CLASSCONST (s, tproxy_reg, mono_defaults.transparent_proxy_class); MONO_EMIT_NEW_BIALU (s, OP_COMPARE, -1, klass_reg, tproxy_reg); } else { MONO_EMIT_NEW_BIALU_IMM (s, OP_COMPARE_IMM, -1, klass_reg, mono_defaults.transparent_proxy_class); } MONO_EMIT_NEW_BRANCH_LABEL (s, CEE_BNE_UN, false_label); MONO_EMIT_NEW_LOAD_MEMBASE (s, tmp_reg, obj_reg, G_STRUCT_OFFSET (MonoTransparentProxy, custom_type_info)); MONO_EMIT_NEW_BIALU_IMM (s, OP_COMPARE_IMM, -1, tmp_reg, 0); MONO_EMIT_NEW_BRANCH_LABEL (s, CEE_BNE_UN, false2_label); } else { MONO_EMIT_NEW_LOAD_MEMBASE (s, tmp_reg, obj_reg, G_STRUCT_OFFSET (MonoObject, vtable)); MONO_EMIT_NEW_LOAD_MEMBASE (s, klass_reg, tmp_reg, G_STRUCT_OFFSET (MonoVTable, klass)); MONO_NEW_LABEL (s, no_proxy_label); if (s->compile_aot) { int tproxy_reg = mono_regstate_next_int (s->rs); MONO_EMIT_NEW_CLASSCONST (s, tproxy_reg, mono_defaults.transparent_proxy_class); MONO_EMIT_NEW_BIALU (s, OP_COMPARE, -1, klass_reg, tproxy_reg); } else { MONO_EMIT_NEW_BIALU_IMM (s, OP_COMPARE_IMM, -1, klass_reg, mono_defaults.transparent_proxy_class); } MONO_EMIT_NEW_BRANCH_LABEL (s, CEE_BNE_UN, no_proxy_label); MONO_EMIT_NEW_LOAD_MEMBASE (s, tmp_reg, obj_reg, G_STRUCT_OFFSET (MonoTransparentProxy, remote_class)); MONO_EMIT_NEW_LOAD_MEMBASE (s, klass_reg, tmp_reg, G_STRUCT_OFFSET (MonoRemoteClass, proxy_class)); MONO_EMIT_NEW_LOAD_MEMBASE (s, tmp_reg, obj_reg, G_STRUCT_OFFSET (MonoTransparentProxy, custom_type_info)); MONO_EMIT_NEW_BIALU_IMM (s, OP_COMPARE_IMM, -1, tmp_reg, 0); MONO_EMIT_NEW_BRANCH_LABEL (s, CEE_BEQ, no_proxy_label); mini_emit_isninst_cast (s, klass_reg, klass, false2_label, true_label); MONO_EMIT_NEW_BRANCH_LABEL (s, CEE_BR, false2_label); mono_bblock_add_inst (s->cbb, no_proxy_label); mini_emit_isninst_cast (s, klass_reg, klass, false_label, true_label); } mono_bblock_add_inst (s->cbb, false_label); MONO_EMIT_NEW_ICONST (s, state->reg1, 1); MONO_EMIT_NEW_BRANCH_LABEL (s, CEE_BR, end_label); mono_bblock_add_inst (s->cbb, false2_label); MONO_EMIT_NEW_ICONST (s, state->reg1, 2); MONO_EMIT_NEW_BRANCH_LABEL (s, CEE_BR, end_label); mono_bblock_add_inst (s->cbb, true_label); MONO_EMIT_NEW_ICONST (s, state->reg1, 0); mono_bblock_add_inst (s->cbb, end_label); } reg: OP_UNBOXCAST (reg) { MonoClass *klass = tree->inst_newa_class; int obj_reg = state->left->reg1; int vtable_reg = mono_regstate_next_int (s->rs); int klass_reg = mono_regstate_next_int (s->rs); int eclass_reg = mono_regstate_next_int (s->rs); int rank_reg = mono_regstate_next_int (s->rs); MONO_EMIT_NEW_LOAD_MEMBASE (s, vtable_reg, obj_reg, G_STRUCT_OFFSET (MonoObject, vtable)); MONO_EMIT_NEW_LOAD_MEMBASE_OP (s, OP_LOADU1_MEMBASE, rank_reg, vtable_reg, G_STRUCT_OFFSET (MonoVTable, rank)); /* FIXME: generics */ g_assert (klass->rank == 0); // Check rank == 0 MONO_EMIT_NEW_BIALU_IMM (s, OP_COMPARE_IMM, -1, rank_reg, 0); MONO_EMIT_NEW_COND_EXC (s, NE_UN, "InvalidCastException"); MONO_EMIT_NEW_LOAD_MEMBASE (s, klass_reg, vtable_reg, G_STRUCT_OFFSET (MonoVTable, klass)); MONO_EMIT_NEW_LOAD_MEMBASE (s, eclass_reg, klass_reg, G_STRUCT_OFFSET (MonoClass, element_class)); if (s->compile_aot) { int const_reg = mono_regstate_next_int (s->rs); MONO_EMIT_NEW_CLASSCONST (s, const_reg, klass->element_class); MONO_EMIT_NEW_BIALU (s, OP_COMPARE, -1, eclass_reg, const_reg); } else { MONO_EMIT_NEW_BIALU_IMM (s, OP_COMPARE_IMM, -1, eclass_reg, klass->element_class); } MONO_EMIT_NEW_COND_EXC (s, NE_UN, "InvalidCastException"); MONO_EMIT_UNALU (s, tree, OP_MOVE, state->reg1, obj_reg); } reg: CEE_CASTCLASS (reg) { MonoClass *klass = tree->inst_newa_class; MonoInst *object_is_null; int obj_reg = state->left->reg1; int vtable_reg = mono_regstate_next_int (s->rs); MONO_NEW_LABEL (s, object_is_null); MONO_EMIT_NEW_BIALU_IMM (s, OP_COMPARE_IMM, -1, obj_reg, 0); MONO_EMIT_NEW_BRANCH_LABEL (s, CEE_BEQ, object_is_null); if (klass->flags & TYPE_ATTRIBUTE_INTERFACE) { MONO_EMIT_NEW_LOAD_MEMBASE (s, vtable_reg, obj_reg, G_STRUCT_OFFSET (MonoObject, vtable)); mini_emit_castclass_iface (s, vtable_reg, klass); } else { int klass_reg = mono_regstate_next_int (s->rs); MONO_EMIT_NEW_LOAD_MEMBASE (s, vtable_reg, obj_reg, G_STRUCT_OFFSET (MonoObject, vtable)); if (klass->rank) { int rank_reg = mono_regstate_next_int (s->rs); int eclass_reg = mono_regstate_next_int (s->rs); MONO_EMIT_NEW_LOAD_MEMBASE_OP (s, OP_LOADU1_MEMBASE, rank_reg, vtable_reg, G_STRUCT_OFFSET (MonoVTable, rank)); MONO_EMIT_NEW_BIALU_IMM (s, OP_COMPARE_IMM, -1, rank_reg, klass->rank); MONO_EMIT_NEW_COND_EXC (s, NE_UN, "InvalidCastException"); MONO_EMIT_NEW_LOAD_MEMBASE (s, klass_reg, vtable_reg, G_STRUCT_OFFSET (MonoVTable, klass)); MONO_EMIT_NEW_LOAD_MEMBASE (s, eclass_reg, klass_reg, G_STRUCT_OFFSET (MonoClass, cast_class)); if (klass->cast_class == mono_defaults.object_class) { int parent_reg = mono_regstate_next_int (s->rs); int const_reg; MONO_EMIT_NEW_LOAD_MEMBASE (s, parent_reg, eclass_reg, G_STRUCT_OFFSET (MonoClass, parent)); if (s->compile_aot) { const_reg = mono_regstate_next_int (s->rs); MONO_EMIT_NEW_CLASSCONST (s, const_reg, mono_defaults.enum_class->parent); MONO_EMIT_NEW_BIALU (s, OP_COMPARE, -1, parent_reg, const_reg); } else { MONO_EMIT_NEW_BIALU_IMM (s, OP_COMPARE_IMM, -1, parent_reg, mono_defaults.enum_class->parent); } MONO_EMIT_NEW_BRANCH_LABEL (s, CEE_BNE_UN, object_is_null); if (s->compile_aot) { MONO_EMIT_NEW_CLASSCONST (s, const_reg, mono_defaults.enum_class); MONO_EMIT_NEW_BIALU (s, OP_COMPARE, -1, eclass_reg, const_reg); } else { MONO_EMIT_NEW_BIALU_IMM (s, OP_COMPARE_IMM, -1, eclass_reg, mono_defaults.enum_class); } MONO_EMIT_NEW_COND_EXC (s, NE_UN, "InvalidCastException"); } else if (klass->cast_class == mono_defaults.enum_class->parent) { int const_reg = mono_regstate_next_int (s->rs); if (s->compile_aot) { MONO_EMIT_NEW_CLASSCONST (s, const_reg, mono_defaults.enum_class->parent); MONO_EMIT_NEW_BIALU (s, OP_COMPARE, -1, eclass_reg, const_reg); } else { MONO_EMIT_NEW_BIALU_IMM (s, OP_COMPARE_IMM, -1, eclass_reg, mono_defaults.enum_class->parent); } MONO_EMIT_NEW_BRANCH_LABEL (s, CEE_BEQ, object_is_null); if (s->compile_aot) { MONO_EMIT_NEW_CLASSCONST (s, const_reg, mono_defaults.enum_class); MONO_EMIT_NEW_BIALU (s, OP_COMPARE, -1, eclass_reg, const_reg); } else { MONO_EMIT_NEW_BIALU_IMM (s, OP_COMPARE_IMM, -1, eclass_reg, mono_defaults.enum_class); } MONO_EMIT_NEW_COND_EXC (s, NE_UN, "InvalidCastException"); } else if (klass->cast_class == mono_defaults.enum_class) { if (s->compile_aot) { int const_reg = mono_regstate_next_int (s->rs); MONO_EMIT_NEW_CLASSCONST (s, const_reg, mono_defaults.enum_class); MONO_EMIT_NEW_BIALU (s, OP_COMPARE, -1, eclass_reg, const_reg); } else { MONO_EMIT_NEW_BIALU_IMM (s, OP_COMPARE_IMM, -1, eclass_reg, mono_defaults.enum_class); } MONO_EMIT_NEW_COND_EXC (s, NE_UN, "InvalidCastException"); } else if (klass->cast_class->flags & TYPE_ATTRIBUTE_INTERFACE) { mini_emit_castclass_iface_class (s, eclass_reg, klass->cast_class); } else { mini_emit_castclass (s, eclass_reg, klass->cast_class); } if ((klass->rank == 1) && (klass->byval_arg.type == MONO_TYPE_SZARRAY)) { /* Check that the object is a vector too */ int bounds_reg = mono_regstate_next_int (s->rs); MONO_EMIT_NEW_LOAD_MEMBASE (s, bounds_reg, obj_reg, G_STRUCT_OFFSET (MonoArray, bounds)); MONO_EMIT_NEW_BIALU_IMM (s, OP_COMPARE_IMM, -1, bounds_reg, 0); MONO_EMIT_NEW_COND_EXC (s, NE_UN, "InvalidCastException"); } } else { if (!s->compile_aot && !(s->opt & MONO_OPT_SHARED) && (klass->flags & TYPE_ATTRIBUTE_SEALED)) { /* the remoting code is broken, access the class for now */ if (0) { MonoVTable *vt = mono_class_vtable (s->domain, klass); MONO_EMIT_NEW_BIALU_IMM (s, OP_COMPARE_IMM, -1, vtable_reg, vt); } else { MONO_EMIT_NEW_LOAD_MEMBASE (s, klass_reg, vtable_reg, G_STRUCT_OFFSET (MonoVTable, klass)); MONO_EMIT_NEW_BIALU_IMM (s, OP_COMPARE_IMM, -1, klass_reg, klass); } MONO_EMIT_NEW_COND_EXC (s, NE_UN, "InvalidCastException"); } else { MONO_EMIT_NEW_LOAD_MEMBASE (s, klass_reg, vtable_reg, G_STRUCT_OFFSET (MonoVTable, klass)); mini_emit_castclass (s, klass_reg, klass); } } } mono_bblock_add_inst (s->cbb, object_is_null); MONO_EMIT_UNALU (s, tree, OP_MOVE, state->reg1, obj_reg); } reg: OP_CCASTCLASS (reg) { /* This opcode takes as input an object reference and a class, and returns: 0) if the object is an instance of the class, 1) if the object is a proxy whose type cannot be determined an InvalidCastException exception is thrown otherwhise*/ MonoClass *klass = tree->inst_newa_class; MonoInst *end_label, *fail_label, *no_proxy_label, *ok_result_label; int obj_reg = state->left->reg1; int tmp_reg = mono_regstate_next_int (s->rs); int klass_reg = mono_regstate_next_int (s->rs); MONO_NEW_LABEL (s, end_label); MONO_NEW_LABEL (s, ok_result_label); MONO_EMIT_NEW_BIALU_IMM (s, OP_COMPARE_IMM, -1, obj_reg, 0); MONO_EMIT_NEW_BRANCH_LABEL (s, CEE_BEQ, ok_result_label); if (klass->flags & TYPE_ATTRIBUTE_INTERFACE) { MONO_NEW_LABEL (s, fail_label); MONO_EMIT_NEW_LOAD_MEMBASE (s, tmp_reg, obj_reg, G_STRUCT_OFFSET (MonoObject, vtable)); mini_emit_isninst_iface_cast (s, tmp_reg, klass, fail_label, ok_result_label); mono_bblock_add_inst (s->cbb, fail_label); MONO_EMIT_NEW_LOAD_MEMBASE (s, klass_reg, tmp_reg, G_STRUCT_OFFSET (MonoVTable, klass)); if (s->compile_aot) { int tproxy_reg = mono_regstate_next_int (s->rs); MONO_EMIT_NEW_CLASSCONST (s, tproxy_reg, mono_defaults.transparent_proxy_class); MONO_EMIT_NEW_BIALU (s, OP_COMPARE, -1, klass_reg, tproxy_reg); } else { MONO_EMIT_NEW_BIALU_IMM (s, OP_COMPARE_IMM, -1, klass_reg, mono_defaults.transparent_proxy_class); } MONO_EMIT_NEW_COND_EXC (s, NE_UN, "InvalidCastException"); MONO_EMIT_NEW_LOAD_MEMBASE (s, tmp_reg, obj_reg, G_STRUCT_OFFSET (MonoTransparentProxy, remote_class)); MONO_EMIT_NEW_LOAD_MEMBASE (s, klass_reg, tmp_reg, G_STRUCT_OFFSET (MonoRemoteClass, proxy_class)); MONO_EMIT_NEW_LOAD_MEMBASE (s, tmp_reg, obj_reg, G_STRUCT_OFFSET (MonoTransparentProxy, custom_type_info)); MONO_EMIT_NEW_BIALU_IMM (s, OP_COMPARE_IMM, -1, tmp_reg, 0); MONO_EMIT_NEW_COND_EXC (s, EQ, "InvalidCastException"); MONO_EMIT_NEW_ICONST (s, state->reg1, 1); MONO_EMIT_NEW_BRANCH_LABEL (s, CEE_BR, end_label); } else { MONO_NEW_LABEL (s, no_proxy_label); MONO_NEW_LABEL (s, fail_label); MONO_EMIT_NEW_LOAD_MEMBASE (s, tmp_reg, obj_reg, G_STRUCT_OFFSET (MonoObject, vtable)); MONO_EMIT_NEW_LOAD_MEMBASE (s, klass_reg, tmp_reg, G_STRUCT_OFFSET (MonoVTable, klass)); if (s->compile_aot) { int tproxy_reg = mono_regstate_next_int (s->rs); MONO_EMIT_NEW_CLASSCONST (s, tproxy_reg, mono_defaults.transparent_proxy_class); MONO_EMIT_NEW_BIALU (s, OP_COMPARE, -1, klass_reg, tproxy_reg); } else { MONO_EMIT_NEW_BIALU_IMM (s, OP_COMPARE_IMM, -1, klass_reg, mono_defaults.transparent_proxy_class); } MONO_EMIT_NEW_BRANCH_LABEL (s, CEE_BNE_UN, no_proxy_label); MONO_EMIT_NEW_LOAD_MEMBASE (s, tmp_reg, obj_reg, G_STRUCT_OFFSET (MonoTransparentProxy, remote_class)); MONO_EMIT_NEW_LOAD_MEMBASE (s, klass_reg, tmp_reg, G_STRUCT_OFFSET (MonoRemoteClass, proxy_class)); MONO_EMIT_NEW_LOAD_MEMBASE (s, tmp_reg, obj_reg, G_STRUCT_OFFSET (MonoTransparentProxy, custom_type_info)); MONO_EMIT_NEW_BIALU_IMM (s, OP_COMPARE_IMM, -1, tmp_reg, 0); MONO_EMIT_NEW_BRANCH_LABEL (s, CEE_BEQ, no_proxy_label); mini_emit_isninst_cast (s, klass_reg, klass, fail_label, ok_result_label); mono_bblock_add_inst (s->cbb, fail_label); MONO_EMIT_NEW_ICONST (s, state->reg1, 1); MONO_EMIT_NEW_BRANCH_LABEL (s, CEE_BR, end_label); mono_bblock_add_inst (s->cbb, no_proxy_label); mini_emit_castclass (s, klass_reg, klass); } mono_bblock_add_inst (s->cbb, ok_result_label); MONO_EMIT_NEW_ICONST (s, state->reg1, 0); mono_bblock_add_inst (s->cbb, end_label); } stmt: CEE_STELEM_REF (OP_GROUP (reg, reg), reg), reg: OP_GROUP (reg, reg), reg: CEE_NEWARR (reg), lreg: OP_LMUL (lreg, lreg), lreg: OP_LMUL_OVF (lreg, lreg), lreg: OP_LMUL_OVF_UN (lreg, lreg), lreg: OP_LDIV (lreg, lreg), lreg: OP_LDIV_UN (lreg, lreg), lreg: OP_LREM (lreg, lreg), lreg: OP_LREM_UN (lreg, lreg), lreg: OP_LSHL (lreg, reg), lreg: OP_LSHR (lreg, reg), lreg: OP_LSHR_UN (lreg, reg) { g_assert_not_reached (); } # # string support # reg: OP_GETCHR (reg, reg) { int mult_reg = mono_regstate_next_int (s->rs); int add_reg = mono_regstate_next_int (s->rs); MONO_EMIT_BOUNDS_CHECK (s, state->left->reg1, MonoString, length, state->right->reg1); MONO_EMIT_NEW_BIALU_IMM (s, OP_SHL_IMM, mult_reg, state->right->reg1, 1); MONO_EMIT_NEW_BIALU (s, CEE_ADD, add_reg, mult_reg, state->left->reg1); MONO_EMIT_LOAD_MEMBASE_OP (s, tree, OP_LOADU2_MEMBASE, state->reg1, add_reg, G_STRUCT_OFFSET (MonoString, chars)); } reg: OP_GETCHR (reg, OP_ICONST) { int ind = 2 * state->right->tree->inst_c0 + G_STRUCT_OFFSET (MonoString, chars); MONO_EMIT_BOUNDS_CHECK_IMM (s, state->left->reg1, MonoString, length, state->right->tree->inst_c0); MONO_EMIT_LOAD_MEMBASE_OP (s, tree, OP_LOADU2_MEMBASE, state->reg1, state->left->reg1, ind); } reg: OP_STRLEN (reg) { MONO_EMIT_LOAD_MEMBASE_OP (s, tree, OP_LOADI4_MEMBASE, state->reg1, state->left->reg1, G_STRUCT_OFFSET (MonoString, length)); } reg: OP_GETTYPE (reg) { int vt_reg = mono_regstate_next_int (s->rs); MONO_EMIT_NEW_LOAD_MEMBASE (s, vt_reg, state->left->reg1, G_STRUCT_OFFSET (MonoObject, vtable)); MONO_EMIT_LOAD_MEMBASE_OP (s, tree, OP_LOAD_MEMBASE, state->reg1, vt_reg, G_STRUCT_OFFSET (MonoVTable, type)); } reg: OP_GETHASHCODE (reg) { int t1 = mono_regstate_next_int (s->rs); #define MONO_OBJECT_ALIGNMENT_SHIFT 3 /* return (GPOINTER_TO_UINT (this) >> MONO_OBJECT_ALIGNMENT_SHIFT) * 2654435761u; */ MONO_EMIT_NEW_BIALU_IMM (s, OP_SHL_IMM, t1, state->left->reg1, MONO_OBJECT_ALIGNMENT_SHIFT); MONO_EMIT_NEW_BIALU_IMM (s, OP_MUL_IMM, state->reg1, t1, 2654435761u); } # # array support # reg: CEE_LDLEN (reg) { MONO_EMIT_LOAD_MEMBASE_OP (s, tree, OP_LOADI4_MEMBASE, state->reg1, state->left->reg1, G_STRUCT_OFFSET (MonoArray, max_length)); } reg: OP_ARRAY_RANK (reg) { int vtable_reg = mono_regstate_next_int (s->rs); MONO_EMIT_NEW_LOAD_MEMBASE_OP (s, OP_LOAD_MEMBASE, vtable_reg, state->left->reg1, G_STRUCT_OFFSET (MonoObject, vtable)); MONO_EMIT_NEW_LOAD_MEMBASE_OP (s, OP_LOADU1_MEMBASE, state->reg1, vtable_reg, G_STRUCT_OFFSET (MonoVTable, rank)); } reg: OP_CHECK_ARRAY_TYPE (reg) { MonoClass* array_class = mono_array_class_get (tree->klass, 1); int vtable_reg = mono_regstate_next_int (s->rs); MONO_EMIT_NEW_LOAD_MEMBASE_OP (s, OP_LOAD_MEMBASE, vtable_reg, state->left->reg1, G_STRUCT_OFFSET (MonoObject, vtable)); if (s->opt & MONO_OPT_SHARED) { int class_reg = mono_regstate_next_int (s->rs); MONO_EMIT_NEW_LOAD_MEMBASE_OP (s, OP_LOAD_MEMBASE, class_reg, vtable_reg, G_STRUCT_OFFSET (MonoVTable, klass)); if (s->compile_aot) { int klass_reg = mono_regstate_next_int (s->rs); MONO_EMIT_NEW_CLASSCONST (s, klass_reg, array_class); MONO_EMIT_NEW_BIALU (s, OP_COMPARE, -1, class_reg, klass_reg); } else { MONO_EMIT_NEW_BIALU_IMM (s, OP_COMPARE_IMM, -1, class_reg, array_class); } } else { if (s->compile_aot) { int vt_reg = mono_regstate_next_int (s->rs); MONO_EMIT_NEW_VTABLECONST (s, vt_reg, mono_class_vtable (s->domain, array_class)); MONO_EMIT_NEW_BIALU (s, OP_COMPARE, -1, vtable_reg, vt_reg); } else { MONO_EMIT_NEW_BIALU_IMM (s, OP_COMPARE_IMM, -1, vtable_reg, mono_class_vtable (s->domain, array_class)); } } MONO_EMIT_NEW_COND_EXC (s, NE_UN, "ArrayTypeMismatchException"); MONO_EMIT_UNALU (s, tree, OP_MOVE, state->reg1, state->left->reg1); } reg: CEE_LDELEMA (reg, OP_ICONST) "15" { guint32 size = mono_class_array_element_size (tree->klass); int ind = size * state->right->tree->inst_c0 + G_STRUCT_OFFSET (MonoArray, vector); MONO_EMIT_BOUNDS_CHECK_IMM (s, state->left->reg1, MonoArray, max_length, state->right->tree->inst_c0); MONO_EMIT_NEW_BIALU_IMM (s, OP_ADD_IMM, state->reg1, state->left->reg1, ind); } reg: CEE_LDELEMA (reg, reg) "20" { int mult_reg = mono_regstate_next_int (s->rs); int add_reg = mono_regstate_next_int (s->rs); guint32 size = mono_class_array_element_size (tree->klass); MONO_EMIT_BOUNDS_CHECK (s, state->left->reg1, MonoArray, max_length, state->right->reg1); MONO_EMIT_NEW_BIALU_IMM (s, OP_MUL_IMM, mult_reg, state->right->reg1, size); MONO_EMIT_NEW_BIALU (s, CEE_ADD, add_reg, mult_reg, state->left->reg1); MONO_EMIT_NEW_BIALU_IMM (s, OP_ADD_IMM, state->reg1, add_reg, G_STRUCT_OFFSET (MonoArray, vector)); } reg: CEE_REFANYVAL (reg) { int klass_reg = mono_regstate_next_int (s->rs); MONO_EMIT_NEW_LOAD_MEMBASE (s, klass_reg, state->left->reg1, G_STRUCT_OFFSET (MonoTypedRef, klass)); if (s->compile_aot) { int const_reg = mono_regstate_next_int (s->rs); MONO_EMIT_NEW_CLASSCONST (s, const_reg, tree->inst_newa_class); MONO_EMIT_NEW_BIALU (s, OP_COMPARE, -1, klass_reg, const_reg); } else { MONO_EMIT_NEW_BIALU_IMM (s, OP_COMPARE_IMM, -1, klass_reg, tree->inst_newa_class); } MONO_EMIT_NEW_COND_EXC (s, NE_UN, "InvalidCastException"); MONO_EMIT_NEW_LOAD_MEMBASE (s, state->reg1, state->left->reg1, G_STRUCT_OFFSET (MonoTypedRef, value)); } reg: OP_REFANYTYPE (reg) { MONO_EMIT_NEW_LOAD_MEMBASE (s, state->reg1, state->left->reg1, G_STRUCT_OFFSET (MonoTypedRef, type)); } stmt: CEE_MKREFANY (OP_GROUP (reg, OP_ICONST), reg), stmt: CEE_MKREFANY (OP_GROUP (reg, OP_I8CONST), reg) { MonoClass *klass = (MonoClass*)(tree->inst_left->inst_right->inst_p0); if (s->compile_aot) { int const_reg = mono_regstate_next_int (s->rs); int type_reg = mono_regstate_next_int (s->rs); MONO_EMIT_NEW_CLASSCONST (s, const_reg, klass); MONO_EMIT_NEW_STORE_MEMBASE (s, OP_STOREP_MEMBASE_REG, state->right->reg1, G_STRUCT_OFFSET (MonoTypedRef, klass), const_reg); MONO_EMIT_NEW_BIALU_IMM (s, OP_ADD_IMM, type_reg, const_reg, G_STRUCT_OFFSET (MonoClass, byval_arg)); MONO_EMIT_NEW_STORE_MEMBASE (s, OP_STOREP_MEMBASE_REG, state->right->reg1, G_STRUCT_OFFSET (MonoTypedRef, type), type_reg); } else { MONO_EMIT_NEW_STORE_MEMBASE_IMM (s, OP_STOREP_MEMBASE_IMM, state->right->reg1, G_STRUCT_OFFSET (MonoTypedRef, type), &klass->byval_arg); MONO_EMIT_NEW_STORE_MEMBASE_IMM (s, OP_STOREP_MEMBASE_IMM, state->right->reg1, G_STRUCT_OFFSET (MonoTypedRef, klass), klass); } MONO_EMIT_NEW_STORE_MEMBASE (s, OP_STOREP_MEMBASE_REG, state->right->reg1, G_STRUCT_OFFSET (MonoTypedRef, value), state->left->left->reg1); } %% /* * Emit code which checks whenever the interface id of @klass is smaller than * than the value given by max_iid_reg. */ static void mini_emit_max_iid_check (MonoCompile *s, int max_iid_reg, MonoClass *klass, MonoInst *false_target) { if (s->compile_aot) { int iid_reg = mono_regstate_next_int (s->rs); MONO_EMIT_NEW_AOTCONST (s, iid_reg, klass, MONO_PATCH_INFO_IID); MONO_EMIT_NEW_BIALU (s, OP_COMPARE, -1, max_iid_reg, iid_reg); } else MONO_EMIT_NEW_BIALU_IMM (s, OP_COMPARE_IMM, -1, max_iid_reg, klass->interface_id); if (false_target) MONO_EMIT_NEW_BRANCH_LABEL (s, CEE_BLT_UN, false_target); else MONO_EMIT_NEW_COND_EXC (s, LT_UN, "InvalidCastException"); } /* Same as above, but obtains max_iid from a vtable */ static void mini_emit_max_iid_check_vtable (MonoCompile *s, int vtable_reg, MonoClass *klass, MonoInst *false_target) { int max_iid_reg = mono_regstate_next_int (s->rs); MONO_EMIT_NEW_LOAD_MEMBASE_OP (s, OP_LOADU2_MEMBASE, max_iid_reg, vtable_reg, G_STRUCT_OFFSET (MonoVTable, max_interface_id)); mini_emit_max_iid_check (s, max_iid_reg, klass, false_target); } /* Same as above, but obtains max_iid from a klass */ static void mini_emit_max_iid_check_class (MonoCompile *s, int klass_reg, MonoClass *klass, MonoInst *false_target) { int max_iid_reg = mono_regstate_next_int (s->rs); MONO_EMIT_NEW_LOAD_MEMBASE_OP (s, OP_LOADU2_MEMBASE, max_iid_reg, klass_reg, G_STRUCT_OFFSET (MonoClass, max_interface_id)); mini_emit_max_iid_check (s, max_iid_reg, klass, false_target); } static void mini_emit_load_intf_reg (MonoCompile *s, int intf_reg, int ioffset_reg, MonoClass *klass) { if (s->compile_aot) { int iid_reg = mono_regstate_next_int (s->rs); MONO_EMIT_NEW_AOTCONST (s, iid_reg, klass, MONO_PATCH_INFO_IID); /* FIXME: Do a shift instead */ #if SIZEOF_VOID_P == 8 MONO_EMIT_NEW_BIALU_IMM (s, OP_SHL_IMM, iid_reg, iid_reg, 3); #else MONO_EMIT_NEW_BIALU_IMM (s, OP_SHL_IMM, iid_reg, iid_reg, 2); #endif MONO_EMIT_NEW_BIALU (s, CEE_ADD, ioffset_reg, ioffset_reg, iid_reg); MONO_EMIT_NEW_LOAD_MEMBASE (s, intf_reg, ioffset_reg, 0); } else MONO_EMIT_NEW_LOAD_MEMBASE (s, intf_reg, ioffset_reg, klass->interface_id * SIZEOF_VOID_P); } /* Emit code which loads ->interface_offsets [klass->interface_id] */ static void mini_emit_load_intf_reg_vtable (MonoCompile *s, int intf_reg, int vtable_reg, MonoClass *klass) { int ioffset_reg = mono_regstate_next_int (s->rs); MONO_EMIT_NEW_LOAD_MEMBASE (s, ioffset_reg, vtable_reg, G_STRUCT_OFFSET (MonoVTable, interface_offsets)); mini_emit_load_intf_reg (s, intf_reg, ioffset_reg, klass); } /* Emit code which loads ->interface_offsets [klass->interface_id] */ static void mini_emit_load_intf_reg_class (MonoCompile *s, int intf_reg, int klass_reg, MonoClass *klass) { int ioffset_reg = mono_regstate_next_int (s->rs); MONO_EMIT_NEW_LOAD_MEMBASE (s, ioffset_reg, klass_reg, G_STRUCT_OFFSET (MonoClass, interface_offsets)); mini_emit_load_intf_reg (s, intf_reg, ioffset_reg, klass); } void mini_emit_virtual_call (MonoCompile *cfg, void *st, MonoInst *tree, int novirtop, int virtop) { MonoMethod *method = ((MonoCallInst*)tree)->method; int vtable_reg, slot_reg, this_reg; MBState *state = st; this_reg = state->left->reg1; mono_arch_emit_this_vret_args (cfg, (MonoCallInst*)tree, this_reg, state->left->tree->type, novirtop == OP_VCALL? state->right->reg1: -1); if (!(method->flags & METHOD_ATTRIBUTE_VIRTUAL) || ((method->flags & METHOD_ATTRIBUTE_FINAL) && method->wrapper_type != MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)) { /* * the method is not virtual, we just need to ensure this is not null * and then we can call the method directly. */ if (method->klass->marshalbyref || method->klass == mono_defaults.object_class) { method = ((MonoCallInst*)tree)->method = mono_marshal_get_remoting_invoke_with_check (method); } if (!method->string_ctor) MONO_EMIT_NEW_UNALU (cfg, OP_CHECK_THIS, -1, this_reg); tree->dreg = state->reg1; tree->opcode = novirtop; mono_bblock_add_inst (cfg->cbb, tree); return; } vtable_reg = mono_regstate_next_int (cfg->rs); MONO_EMIT_NEW_LOAD_MEMBASE (cfg, vtable_reg, this_reg, G_STRUCT_OFFSET (MonoObject, vtable)); if (method->klass->flags & TYPE_ATTRIBUTE_INTERFACE) { slot_reg = mono_regstate_next_int (cfg->rs); mini_emit_load_intf_reg_vtable (cfg, slot_reg, vtable_reg, method->klass); tree->inst_offset = method->slot * SIZEOF_VOID_P; } else { slot_reg = vtable_reg; tree->inst_offset = G_STRUCT_OFFSET (MonoVTable, vtable) + (method->slot * SIZEOF_VOID_P); } tree->dreg = state->reg1; tree->opcode = virtop; tree->sreg1 = slot_reg; ((MonoCallInst*)tree)->virtual = TRUE; mono_bblock_add_inst (cfg->cbb, tree); } void mini_emit_isninst_cast (MonoCompile *s, int klass_reg, MonoClass *klass, MonoInst *false_target, MonoInst *true_target) { int idepth_reg = mono_regstate_next_int (s->rs); int stypes_reg = mono_regstate_next_int (s->rs); int stype = mono_regstate_next_int (s->rs); if (klass->idepth > MONO_DEFAULT_SUPERTABLE_SIZE) { MONO_EMIT_NEW_LOAD_MEMBASE_OP (s, OP_LOADU2_MEMBASE, idepth_reg, klass_reg, G_STRUCT_OFFSET (MonoClass, idepth)); MONO_EMIT_NEW_BIALU_IMM (s, OP_COMPARE_IMM, -1, idepth_reg, klass->idepth); MONO_EMIT_NEW_BRANCH_LABEL (s, CEE_BLT_UN, false_target); } MONO_EMIT_NEW_LOAD_MEMBASE (s, stypes_reg, klass_reg, G_STRUCT_OFFSET (MonoClass, supertypes)); MONO_EMIT_NEW_LOAD_MEMBASE (s, stype, stypes_reg, ((klass->idepth - 1) * SIZEOF_VOID_P)); if (s->compile_aot) { int const_reg = mono_regstate_next_int (s->rs); MONO_EMIT_NEW_CLASSCONST (s, const_reg, klass); MONO_EMIT_NEW_BIALU (s, OP_COMPARE, -1, stype, const_reg); } else { MONO_EMIT_NEW_BIALU_IMM (s, OP_COMPARE_IMM, -1, stype, klass); } MONO_EMIT_NEW_BRANCH_LABEL (s, CEE_BEQ, true_target); } void mini_emit_isninst_iface_cast (MonoCompile *s, int vtable_reg, MonoClass *klass, MonoInst *false_target, MonoInst *true_target) { int intf_reg = mono_regstate_next_int (s->rs); mini_emit_max_iid_check_vtable (s, vtable_reg, klass, false_target); mini_emit_load_intf_reg_vtable (s, intf_reg, vtable_reg, klass); MONO_EMIT_NEW_BIALU_IMM (s, OP_COMPARE_IMM, -1, intf_reg, 0); /* the object_is_null target simply copies the input register to the output */ MONO_EMIT_NEW_BRANCH_LABEL (s, CEE_BNE_UN, true_target); } /* * Variant of the above that takes a register to the class, not the vtable. * Note that inside interfaces_offsets the empty value is -1, not NULL, in this case. */ void mini_emit_isninst_iface_class_cast (MonoCompile *s, int klass_reg, MonoClass *klass, MonoInst *false_target, MonoInst *true_target) { int intf_reg = mono_regstate_next_int (s->rs); mini_emit_max_iid_check_class (s, klass_reg, klass, false_target); mini_emit_load_intf_reg_class (s, intf_reg, klass_reg, klass); MONO_EMIT_NEW_BIALU_IMM (s, OP_COMPARE_IMM, -1, intf_reg, -1); /* the object_is_null target simply copies the input register to the output */ MONO_EMIT_NEW_BRANCH_LABEL (s, CEE_BGE, true_target); } void mini_emit_castclass (MonoCompile *s, int klass_reg, MonoClass *klass) { int idepth_reg = mono_regstate_next_int (s->rs); int stypes_reg = mono_regstate_next_int (s->rs); int stype = mono_regstate_next_int (s->rs); if (klass->idepth > MONO_DEFAULT_SUPERTABLE_SIZE) { MONO_EMIT_NEW_LOAD_MEMBASE_OP (s, OP_LOADU2_MEMBASE, idepth_reg, klass_reg, G_STRUCT_OFFSET (MonoClass, idepth)); MONO_EMIT_NEW_BIALU_IMM (s, OP_COMPARE_IMM, -1, idepth_reg, klass->idepth); MONO_EMIT_NEW_COND_EXC (s, LT_UN, "InvalidCastException"); } MONO_EMIT_NEW_LOAD_MEMBASE (s, stypes_reg, klass_reg, G_STRUCT_OFFSET (MonoClass, supertypes)); MONO_EMIT_NEW_LOAD_MEMBASE (s, stype, stypes_reg, ((klass->idepth - 1) * SIZEOF_VOID_P)); if (s->compile_aot) { int const_reg = mono_regstate_next_int (s->rs); MONO_EMIT_NEW_CLASSCONST (s, const_reg, klass); MONO_EMIT_NEW_BIALU (s, OP_COMPARE, -1, stype, const_reg); } else { MONO_EMIT_NEW_BIALU_IMM (s, OP_COMPARE_IMM, -1, stype, klass); } MONO_EMIT_NEW_COND_EXC (s, NE_UN, "InvalidCastException"); } void mini_emit_castclass_iface (MonoCompile *s, int vtable_reg, MonoClass *klass) { int intf_reg = mono_regstate_next_int (s->rs); mini_emit_max_iid_check_vtable (s, vtable_reg, klass, NULL); mini_emit_load_intf_reg_vtable (s, intf_reg, vtable_reg, klass); MONO_EMIT_NEW_BIALU_IMM (s, OP_COMPARE_IMM, -1, intf_reg, 0); MONO_EMIT_NEW_COND_EXC (s, EQ, "InvalidCastException"); } /* * Variant of the aboce that takes a register to the class, not the vtable. * Note that inside interfaces_offsets the empty value is -1, not NULL, in this case. */ void mini_emit_castclass_iface_class (MonoCompile *s, int klass_reg, MonoClass *klass) { int intf_reg = mono_regstate_next_int (s->rs); mini_emit_max_iid_check_class (s, klass_reg, klass, NULL); mini_emit_load_intf_reg_class (s, intf_reg, klass_reg, klass); MONO_EMIT_NEW_BIALU_IMM (s, OP_COMPARE_IMM, -1, intf_reg, -1); MONO_EMIT_NEW_COND_EXC (s, EQ, "InvalidCastException"); } void mini_emit_memcpy (MonoCompile *s, int destreg, int doffset, int srcreg, int soffset, int size, int align) { int cur_reg; /* FIXME: consider alignment for archs that need it. */ #if !NO_UNALIGNED_ACCESS if (sizeof (gpointer) == 8) { while (size >= 8) { cur_reg = mono_regstate_next_int (s->rs); MONO_EMIT_NEW_LOAD_MEMBASE_OP (s, OP_LOADI8_MEMBASE, cur_reg, srcreg, soffset); MONO_EMIT_NEW_STORE_MEMBASE (s, OP_STOREI8_MEMBASE_REG, destreg, doffset, cur_reg); doffset += 8; soffset += 8; size -= 8; } } #endif while (size >= 4) { cur_reg = mono_regstate_next_int (s->rs); MONO_EMIT_NEW_LOAD_MEMBASE_OP (s, OP_LOADI4_MEMBASE, cur_reg, srcreg, soffset); MONO_EMIT_NEW_STORE_MEMBASE (s, OP_STOREI4_MEMBASE_REG, destreg, doffset, cur_reg); doffset += 4; soffset += 4; size -= 4; } while (size >= 2) { cur_reg = mono_regstate_next_int (s->rs); MONO_EMIT_NEW_LOAD_MEMBASE_OP (s, OP_LOADI2_MEMBASE, cur_reg, srcreg, soffset); MONO_EMIT_NEW_STORE_MEMBASE (s, OP_STOREI2_MEMBASE_REG, destreg, doffset, cur_reg); doffset += 2; soffset += 2; size -= 2; } while (size >= 1) { cur_reg = mono_regstate_next_int (s->rs); MONO_EMIT_NEW_LOAD_MEMBASE_OP (s, OP_LOADI1_MEMBASE, cur_reg, srcreg, soffset); MONO_EMIT_NEW_STORE_MEMBASE (s, OP_STOREI1_MEMBASE_REG, destreg, doffset, cur_reg); doffset += 1; soffset += 1; size -= 1; } } void mini_emit_memset (MonoCompile *s, int destreg, int offset, int size, int val, int alignl) { int val_reg = mono_regstate_next_int (s->rs); if (sizeof (gpointer) == 8) MONO_EMIT_NEW_I8CONST (s, val_reg, val); else MONO_EMIT_NEW_ICONST (s, val_reg, val); if (sizeof (gpointer) == 8) { while (size >= 8) { MONO_EMIT_NEW_STORE_MEMBASE (s, OP_STOREI8_MEMBASE_REG, destreg, offset, val_reg); offset += 8; size -= 8; } } while (size >= 4) { MONO_EMIT_NEW_STORE_MEMBASE (s, OP_STOREI4_MEMBASE_REG, destreg, offset, val_reg); offset += 4; size -= 4; } while (size >= 2) { MONO_EMIT_NEW_STORE_MEMBASE (s, OP_STOREI2_MEMBASE_REG, destreg, offset, val_reg); offset += 2; size -= 2; } while (size >= 1) { MONO_EMIT_NEW_STORE_MEMBASE (s, OP_STOREI1_MEMBASE_REG, destreg, offset, val_reg); offset += 1; size -= 1; } } /* This is similar to NEW_AOTCONST in mini.c, but generates linear IL */ void mini_emit_aotconst (MonoCompile *cfg, int dreg, MonoJumpInfoType patch_type, gpointer cons) { MonoInst *dest, *pinfo; int got_var_reg; dest = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst)); dest->opcode = OP_GOT_ENTRY; g_assert (cfg->got_var); pinfo = mono_mempool_alloc0 ((cfg)->mempool, sizeof (MonoInst)); pinfo->opcode = OP_PATCH_INFO; pinfo->inst_left = cons; pinfo->inst_right = (gpointer)(patch_type); if (cfg->got_var->opcode == OP_REGOFFSET) { got_var_reg = mono_regstate_next_int (cfg->rs); MONO_EMIT_NEW_LOAD_MEMBASE (cfg, got_var_reg, cfg->got_var->inst_basereg, cfg->got_var->inst_offset); } else { g_assert (cfg->got_var->opcode == OP_REGVAR); got_var_reg = cfg->got_var->dreg; } dest = mono_mempool_alloc0 ((cfg)->mempool, sizeof (MonoInst)); dest->opcode = OP_GOT_ENTRY; dest->inst_left = cfg->got_var; /* not used */ dest->inst_right = pinfo; dest->inst_basereg = got_var_reg; dest->dreg = dreg; mono_bblock_add_inst (cfg->cbb, dest); } int ldind_to_load_membase (int opcode) { switch (opcode) { case CEE_LDIND_I1: return OP_LOADI1_MEMBASE; case CEE_LDIND_U1: return OP_LOADU1_MEMBASE; case CEE_LDIND_I2: return OP_LOADI2_MEMBASE; case CEE_LDIND_U2: return OP_LOADU2_MEMBASE; case CEE_LDIND_I4: return OP_LOADI4_MEMBASE; case CEE_LDIND_U4: return OP_LOADU4_MEMBASE; case CEE_LDIND_I: return OP_LOAD_MEMBASE; case CEE_LDIND_REF: return OP_LOAD_MEMBASE; case CEE_LDIND_I8: return OP_LOADI8_MEMBASE; default: g_assert_not_reached (); } return -1; }