return Operand(InputRegister32(index), ASR, InputInt5(index + 1));
case kMode_Operand2_R_ROR_I:
return Operand(InputRegister32(index), ROR, InputInt5(index + 1));
+ case kMode_Operand2_R_UXTB:
+ return Operand(InputRegister32(index), UXTB);
+ case kMode_Operand2_R_UXTH:
+ return Operand(InputRegister32(index), UXTH);
case kMode_MRI:
case kMode_MRR:
break;
return Operand(InputRegister64(index), ASR, InputInt6(index + 1));
case kMode_Operand2_R_ROR_I:
return Operand(InputRegister64(index), ROR, InputInt6(index + 1));
+ case kMode_Operand2_R_UXTB:
+ return Operand(InputRegister64(index), UXTB);
+ case kMode_Operand2_R_UXTH:
+ return Operand(InputRegister64(index), UXTH);
case kMode_MRI:
case kMode_MRR:
break;
case kMode_Operand2_R_LSR_I:
case kMode_Operand2_R_ASR_I:
case kMode_Operand2_R_ROR_I:
+ case kMode_Operand2_R_UXTB:
+ case kMode_Operand2_R_UXTH:
break;
case kMode_MRI:
*first_index += 2;
// I = immediate (handle, external, int32)
// MRI = [register + immediate]
// MRR = [register + register]
-#define TARGET_ADDRESSING_MODE_LIST(V) \
- V(MRI) /* [%r0 + K] */ \
- V(MRR) /* [%r0 + %r1] */ \
- V(Operand2_R_LSL_I) /* %r0 LSL K */ \
- V(Operand2_R_LSR_I) /* %r0 LSR K */ \
- V(Operand2_R_ASR_I) /* %r0 ASR K */ \
- V(Operand2_R_ROR_I) /* %r0 ROR K */
+#define TARGET_ADDRESSING_MODE_LIST(V) \
+ V(MRI) /* [%r0 + K] */ \
+ V(MRR) /* [%r0 + %r1] */ \
+ V(Operand2_R_LSL_I) /* %r0 LSL K */ \
+ V(Operand2_R_LSR_I) /* %r0 LSR K */ \
+ V(Operand2_R_ASR_I) /* %r0 ASR K */ \
+ V(Operand2_R_ROR_I) /* %r0 ROR K */ \
+ V(Operand2_R_UXTB) /* %r0 UXTB (unsigned extend byte) */ \
+ V(Operand2_R_UXTH) /* %r0 UXTH (unsigned extend halfword) */
} // namespace internal
} // namespace compiler
}
+static bool TryMatchAnyExtend(InstructionSelector* selector, Node* node,
+ InstructionCode* opcode) {
+ NodeMatcher nm(node);
+ if (nm.IsWord32And()) {
+ Int32BinopMatcher m(node);
+ if (m.right().HasValue()) {
+ if (m.right().Value() == 0xff) {
+ *opcode |= AddressingModeField::encode(kMode_Operand2_R_UXTB);
+ return true;
+ } else if (m.right().Value() == 0xffff) {
+ *opcode |= AddressingModeField::encode(kMode_Operand2_R_UXTH);
+ return true;
+ }
+ }
+ }
+ return false;
+}
+
+
// Shared routine for multiple binary operations.
template <typename Matcher>
static void VisitBinop(InstructionSelector* selector, Node* node,
size_t input_count = 0;
InstructionOperand outputs[2];
size_t output_count = 0;
- bool try_ror_operand = true;
+ bool is_add_sub = false;
if (m.IsInt32Add() || m.IsInt64Add() || m.IsInt32Sub() || m.IsInt64Sub()) {
- try_ror_operand = false;
+ is_add_sub = true;
}
if (g.CanBeImmediate(m.right().node(), operand_mode)) {
inputs[input_count++] = g.UseRegister(m.left().node());
inputs[input_count++] = g.UseImmediate(m.right().node());
} else if (TryMatchAnyShift(selector, m.right().node(), &opcode,
- try_ror_operand)) {
+ !is_add_sub)) {
Matcher m_shift(m.right().node());
inputs[input_count++] = g.UseRegister(m.left().node());
inputs[input_count++] = g.UseRegister(m_shift.left().node());
inputs[input_count++] = g.UseImmediate(m_shift.right().node());
} else if (m.HasProperty(Operator::kCommutative) &&
TryMatchAnyShift(selector, m.left().node(), &opcode,
- try_ror_operand)) {
+ !is_add_sub)) {
Matcher m_shift(m.left().node());
inputs[input_count++] = g.UseRegister(m.right().node());
inputs[input_count++] = g.UseRegister(m_shift.left().node());
inputs[input_count++] = g.UseImmediate(m_shift.right().node());
+ } else if (is_add_sub &&
+ TryMatchAnyExtend(selector, m.right().node(), &opcode)) {
+ Matcher mright(m.right().node());
+ inputs[input_count++] = g.UseRegister(m.left().node());
+ inputs[input_count++] = g.UseRegister(mright.left().node());
+ } else if (is_add_sub && m.HasProperty(Operator::kCommutative) &&
+ TryMatchAnyExtend(selector, m.left().node(), &opcode)) {
+ Matcher mleft(m.left().node());
+ inputs[input_count++] = g.UseRegister(m.right().node());
+ inputs[input_count++] = g.UseRegister(mleft.left().node());
} else {
inputs[input_count++] = g.UseRegister(m.left().node());
inputs[input_count++] = g.UseRegister(m.right().node());
}
+TEST_P(InstructionSelectorAddSubTest, ExtendByte) {
+ const AddSub dpi = GetParam();
+ const MachineType type = dpi.mi.machine_type;
+ StreamBuilder m(this, type, type, type);
+ m.Return((m.*dpi.mi.constructor)(
+ m.Parameter(0), m.Word32And(m.Parameter(1), m.Int32Constant(0xff))));
+ Stream s = m.Build();
+ ASSERT_EQ(1U, s.size());
+ EXPECT_EQ(dpi.mi.arch_opcode, s[0]->arch_opcode());
+ EXPECT_EQ(kMode_Operand2_R_UXTB, s[0]->addressing_mode());
+ ASSERT_EQ(2U, s[0]->InputCount());
+ ASSERT_EQ(1U, s[0]->OutputCount());
+}
+
+
+TEST_P(InstructionSelectorAddSubTest, ExtendHalfword) {
+ const AddSub dpi = GetParam();
+ const MachineType type = dpi.mi.machine_type;
+ StreamBuilder m(this, type, type, type);
+ m.Return((m.*dpi.mi.constructor)(
+ m.Parameter(0), m.Word32And(m.Parameter(1), m.Int32Constant(0xffff))));
+ Stream s = m.Build();
+ ASSERT_EQ(1U, s.size());
+ EXPECT_EQ(dpi.mi.arch_opcode, s[0]->arch_opcode());
+ EXPECT_EQ(kMode_Operand2_R_UXTH, s[0]->addressing_mode());
+ ASSERT_EQ(2U, s[0]->InputCount());
+ ASSERT_EQ(1U, s[0]->OutputCount());
+}
+
+
INSTANTIATE_TEST_CASE_P(InstructionSelectorTest, InstructionSelectorAddSubTest,
::testing::ValuesIn(kAddSubInstructions));
}
+TEST_F(InstructionSelectorTest, AddExtendByteOnLeft) {
+ {
+ StreamBuilder m(this, kMachInt32, kMachInt32, kMachInt32);
+ m.Return(m.Int32Add(m.Word32And(m.Parameter(0), m.Int32Constant(0xff)),
+ m.Parameter(1)));
+ Stream s = m.Build();
+ ASSERT_EQ(1U, s.size());
+ EXPECT_EQ(kArm64Add32, s[0]->arch_opcode());
+ EXPECT_EQ(kMode_Operand2_R_UXTB, s[0]->addressing_mode());
+ ASSERT_EQ(2U, s[0]->InputCount());
+ ASSERT_EQ(1U, s[0]->OutputCount());
+ }
+ {
+ StreamBuilder m(this, kMachInt64, kMachInt32, kMachInt64);
+ m.Return(m.Int64Add(m.Word32And(m.Parameter(0), m.Int32Constant(0xff)),
+ m.Parameter(1)));
+ Stream s = m.Build();
+ ASSERT_EQ(1U, s.size());
+ EXPECT_EQ(kArm64Add, s[0]->arch_opcode());
+ EXPECT_EQ(kMode_Operand2_R_UXTB, s[0]->addressing_mode());
+ ASSERT_EQ(2U, s[0]->InputCount());
+ ASSERT_EQ(1U, s[0]->OutputCount());
+ }
+}
+
+
+TEST_F(InstructionSelectorTest, AddExtendHalfwordOnLeft) {
+ {
+ StreamBuilder m(this, kMachInt32, kMachInt32, kMachInt32);
+ m.Return(m.Int32Add(m.Word32And(m.Parameter(0), m.Int32Constant(0xffff)),
+ m.Parameter(1)));
+ Stream s = m.Build();
+ ASSERT_EQ(1U, s.size());
+ EXPECT_EQ(kArm64Add32, s[0]->arch_opcode());
+ EXPECT_EQ(kMode_Operand2_R_UXTH, s[0]->addressing_mode());
+ ASSERT_EQ(2U, s[0]->InputCount());
+ ASSERT_EQ(1U, s[0]->OutputCount());
+ }
+ {
+ StreamBuilder m(this, kMachInt64, kMachInt32, kMachInt64);
+ m.Return(m.Int64Add(m.Word32And(m.Parameter(0), m.Int32Constant(0xffff)),
+ m.Parameter(1)));
+ Stream s = m.Build();
+ ASSERT_EQ(1U, s.size());
+ EXPECT_EQ(kArm64Add, s[0]->arch_opcode());
+ EXPECT_EQ(kMode_Operand2_R_UXTH, s[0]->addressing_mode());
+ ASSERT_EQ(2U, s[0]->InputCount());
+ ASSERT_EQ(1U, s[0]->OutputCount());
+ }
+}
+
+
// -----------------------------------------------------------------------------
// Data processing controlled branches.