diff options
Diffstat (limited to 'mono/mini/inssel.brg')
| -rw-r--r-- | mono/mini/inssel.brg | 1775 |
1 files changed, 1775 insertions, 0 deletions
diff --git a/mono/mini/inssel.brg b/mono/mini/inssel.brg new file mode 100644 index 00000000000..26eae106253 --- /dev/null +++ b/mono/mini/inssel.brg @@ -0,0 +1,1775 @@ +/* + * inssel.brg: instruction selection + * + * Author: + * Dietmar Maurer (dietmar@ximian.com) + * Paolo Molaro (lupus@ximian.com) + * + * (C) 2002 Ximian, Inc. + * + */ +#include <config.h> +#include <string.h> + +#include "mini.h" +#include <mono/metadata/marshal.h> +#include <mono/metadata/debug-helpers.h> + +#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 = (gpointer)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 = (gpointer)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) + +#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) + +#define MONO_EMIT_NEW_CLASSCONST(cfg,dr,imm) MONO_EMIT_NEW_AOTCONST(cfg,dr,imm,MONO_PATCH_INFO_CLASS) + +#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); + +%% + +%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); +} + +# +# 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), +reg: CEE_CONV_OVF_I4 (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_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); +} + +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_create_jump_table (s, label, tree->inst_many_bb, n); + + 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); + /* 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) { + MonoInst *object_is_null; + + MONO_NEW_LABEL (s, object_is_null); + + MONO_EMIT_NEW_BIALU_IMM (s, OP_COMPARE_IMM, 0, state->left->reg1, 0); + MONO_EMIT_NEW_BRANCH_LABEL (s, CEE_BEQ, object_is_null); + MONO_EMIT_UNALU (s, tree, CEE_THROW, -1, state->left->reg1); + mono_bblock_add_inst (s->cbb, object_is_null); +} + +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)); + MONO_EMIT_NEW_LOAD_MEMBASE (s, klass_reg, vtable_reg, G_STRUCT_OFFSET (MonoVTable, klass)); + + 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_LOADI4_MEMBASE, rank_reg, klass_reg, G_STRUCT_OFFSET (MonoClass, 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, 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 (mono_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 (mono_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 (mono_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 (mono_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 (mono_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 { + /* 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 (mono_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 (mono_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 (s, klass_reg, vtable_reg, G_STRUCT_OFFSET (MonoVTable, klass)); + MONO_EMIT_NEW_LOAD_MEMBASE_OP (s, OP_LOADI4_MEMBASE, rank_reg, klass_reg, G_STRUCT_OFFSET (MonoClass, rank)); + MONO_EMIT_NEW_LOAD_MEMBASE (s, eclass_reg, klass_reg, G_STRUCT_OFFSET (MonoClass, element_class)); + + /* 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"); + + if (mono_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)); + MONO_EMIT_NEW_LOAD_MEMBASE (s, klass_reg, vtable_reg, G_STRUCT_OFFSET (MonoVTable, klass)); + + 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_LOADI4_MEMBASE, rank_reg, klass_reg, G_STRUCT_OFFSET (MonoClass, 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, 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 (mono_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 (mono_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 (mono_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 (mono_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 (mono_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 { + 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 (mono_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 (mono_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)); +} + +# +# 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); + int class_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_LOAD_MEMBASE, class_reg, + vtable_reg, G_STRUCT_OFFSET (MonoVTable, klass)); + MONO_EMIT_NEW_LOAD_MEMBASE_OP (s, OP_LOADI4_MEMBASE, state->reg1, + class_reg, G_STRUCT_OFFSET (MonoClass, rank)); +} + +reg: OP_CHECK_ARRAY_TYPE (reg) { + int vtable_reg = mono_regstate_next_int (s->rs); + int class_reg = mono_regstate_next_int (s->rs); + int elclass_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_LOAD_MEMBASE, class_reg, + vtable_reg, G_STRUCT_OFFSET (MonoVTable, klass)); + MONO_EMIT_NEW_LOAD_MEMBASE_OP (s, OP_LOAD_MEMBASE, elclass_reg, + class_reg, G_STRUCT_OFFSET (MonoClass, element_class)); + if (mono_compile_aot) { + int klass_reg = mono_regstate_next_int (s->rs); + MONO_EMIT_NEW_CLASSCONST (s, klass_reg, tree->klass); + MONO_EMIT_NEW_BIALU (s, OP_COMPARE, -1, elclass_reg, klass_reg); + } else { + MONO_EMIT_NEW_BIALU_IMM (s, OP_COMPARE_IMM, -1, elclass_reg, tree->klass); + } + + 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 (mono_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 (mono_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 (mono_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_LOADI4_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_LOADI4_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 (mono_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 <vtable_reg>->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 <klass_reg>->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 (s, 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 (mono_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 (s, 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 (mono_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; + } +} + +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; + default: + g_assert_not_reached (); + } + + return -1; +} + |