/*
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
public class Main {
public static boolean doThrow = false;
public void $noinline$foo(int in_w1,
int in_w2,
int in_w3,
int in_w4,
int in_w5,
int in_w6,
int in_w7,
int on_stack_int,
long on_stack_long,
float in_s0,
float in_s1,
float in_s2,
float in_s3,
float in_s4,
float in_s5,
float in_s6,
float in_s7,
float on_stack_float,
double on_stack_double) {
if (doThrow) throw new Error();
}
// We expect a parallel move that moves four times the zero constant to stack locations.
/// CHECK-START-ARM64: void Main.bar() register (after)
/// CHECK: ParallelMove {{.*#0->[0-9x]+\(sp\).*#0->[0-9x]+\(sp\).*#0->[0-9x]+\(sp\).*#0->[0-9x]+\(sp\).*}}
// Those four moves should generate four 'store' instructions using directly the zero register.
/// CHECK-START-ARM64: void Main.bar() disassembly (after)
/// CHECK-DAG: {{(str|stur)}} wzr, [sp, #{{[0-9]+}}]
/// CHECK-DAG: {{(str|stur)}} xzr, [sp, #{{[0-9]+}}]
/// CHECK-DAG: {{(str|stur)}} wzr, [sp, #{{[0-9]+}}]
/// CHECK-DAG: {{(str|stur)}} xzr, [sp, #{{[0-9]+}}]
public void bar() {
$noinline$foo(1, 2, 3, 4, 5, 6, 7, // Integral values in registers.
0, 0L, // Integral values on the stack.
1, 2, 3, 4, 5, 6, 7, 8, // Floating-point values in registers.
0.0f, 0.0); // Floating-point values on the stack.
}
/// CHECK-START-ARM64: void Main.store_zero_to_static_byte_field() disassembly (after)
/// CHECK: StaticFieldSet
/// CHECK-NEXT: strb wzr, [x{{[0-9]+}}, #{{[0-9]+}}]
public static byte static_byte_field;
public void store_zero_to_static_byte_field() {
static_byte_field = 0;
}
/// CHECK-START-ARM64: void Main.store_zero_to_static_char_field() disassembly (after)
/// CHECK: StaticFieldSet
/// CHECK-NEXT: strh wzr, [x{{[0-9]+}}, #{{[0-9]+}}]
public static char static_char_field;
public void store_zero_to_static_char_field() {
static_char_field = 0;
}
/// CHECK-START-ARM64: void Main.store_zero_to_static_short_field() disassembly (after)
/// CHECK: StaticFieldSet
/// CHECK-NEXT: strh wzr, [x{{[0-9]+}}, #{{[0-9]+}}]
public static short static_short_field;
public void store_zero_to_static_short_field() {
static_short_field = 0;
}
/// CHECK-START-ARM64: void Main.store_zero_to_static_int_field() disassembly (after)
/// CHECK: StaticFieldSet
/// CHECK-NEXT: str wzr, [x{{[0-9]+}}, #{{[0-9]+}}]
public static int static_int_field;
public void store_zero_to_static_int_field() {
static_int_field = 0;
}
/// CHECK-START-ARM64: void Main.store_zero_to_static_long_field() disassembly (after)
/// CHECK: StaticFieldSet
/// CHECK-NEXT: str xzr, [x{{[0-9]+}}, #{{[0-9]+}}]
public static long static_long_field;
public void store_zero_to_static_long_field() {
static_long_field = 0;
}
/// CHECK-START-ARM64: void Main.store_zero_to_static_float_field() disassembly (after)
/// CHECK: StaticFieldSet
/// CHECK-NEXT: str wzr, [x{{[0-9]+}}, #{{[0-9]+}}]
public static float static_float_field;
public void store_zero_to_static_float_field() {
static_float_field = 0.0f;
}
/// CHECK-START-ARM64: void Main.store_zero_to_static_double_field() disassembly (after)
/// CHECK: StaticFieldSet
/// CHECK-NEXT: str xzr, [x{{[0-9]+}}, #{{[0-9]+}}]
public static double static_double_field;
public void store_zero_to_static_double_field() {
static_double_field = 0.0;
}
/// CHECK-START-ARM64: void Main.store_zero_to_volatile_static_byte_field() disassembly (after)
/// CHECK: StaticFieldSet
/// CHECK-NEXT: add <<temp:x[0-9]+>>, x{{[0-9]+}}, #0x{{[0-9a-fA-F]+}}
/// CHECK-NEXT: stlrb wzr, [<<temp>>]
public static volatile byte volatile_static_byte_field;
public void store_zero_to_volatile_static_byte_field() {
volatile_static_byte_field = 0;
}
/// CHECK-START-ARM64: void Main.store_zero_to_volatile_static_char_field() disassembly (after)
/// CHECK: StaticFieldSet
/// CHECK-NEXT: add <<temp:x[0-9]+>>, x{{[0-9]+}}, #0x{{[0-9a-fA-F]+}}
/// CHECK-NEXT: stlrh wzr, [<<temp>>]
public static volatile char volatile_static_char_field;
public void store_zero_to_volatile_static_char_field() {
volatile_static_char_field = 0;
}
/// CHECK-START-ARM64: void Main.store_zero_to_volatile_static_short_field() disassembly (after)
/// CHECK: StaticFieldSet
/// CHECK-NEXT: add <<temp:x[0-9]+>>, x{{[0-9]+}}, #0x{{[0-9a-fA-F]+}}
/// CHECK-NEXT: stlrh wzr, [<<temp>>]
public static volatile short volatile_static_short_field;
public void store_zero_to_volatile_static_short_field() {
volatile_static_short_field = 0;
}
/// CHECK-START-ARM64: void Main.store_zero_to_volatile_static_int_field() disassembly (after)
/// CHECK: StaticFieldSet
/// CHECK-NEXT: add <<temp:x[0-9]+>>, x{{[0-9]+}}, #0x{{[0-9a-fA-F]+}}
/// CHECK-NEXT: stlr wzr, [<<temp>>]
public static volatile int volatile_static_int_field;
public void store_zero_to_volatile_static_int_field() {
volatile_static_int_field = 0;
}
/// CHECK-START-ARM64: void Main.store_zero_to_volatile_static_long_field() disassembly (after)
/// CHECK: StaticFieldSet
/// CHECK-NEXT: add <<temp:x[0-9]+>>, x{{[0-9]+}}, #0x{{[0-9a-fA-F]+}}
/// CHECK-NEXT: stlr xzr, [<<temp>>]
public static volatile long volatile_static_long_field;
public void store_zero_to_volatile_static_long_field() {
volatile_static_long_field = 0;
}
/// CHECK-START-ARM64: void Main.store_zero_to_volatile_static_float_field() disassembly (after)
/// CHECK: StaticFieldSet
/// CHECK-NEXT: add <<temp:x[0-9]+>>, x{{[0-9]+}}, #0x{{[0-9a-fA-F]+}}
/// CHECK-NEXT: stlr wzr, [<<temp>>]
public static volatile float volatile_static_float_field;
public void store_zero_to_volatile_static_float_field() {
volatile_static_float_field = 0.0f;
}
/// CHECK-START-ARM64: void Main.store_zero_to_volatile_static_double_field() disassembly (after)
/// CHECK: StaticFieldSet
/// CHECK-NEXT: add <<temp:x[0-9]+>>, x{{[0-9]+}}, #0x{{[0-9a-fA-F]+}}
/// CHECK-NEXT: stlr xzr, [<<temp>>]
public static volatile double volatile_static_double_field;
public void store_zero_to_volatile_static_double_field() {
volatile_static_double_field = 0.0;
}
/// CHECK-START-ARM64: void Main.store_zero_to_instance_byte_field() disassembly (after)
/// CHECK: InstanceFieldSet
/// CHECK-NEXT: strb wzr, [x{{[0-9]+}}, #{{[0-9]+}}]
public byte instance_byte_field;
public void store_zero_to_instance_byte_field() {
instance_byte_field = 0;
}
/// CHECK-START-ARM64: void Main.store_zero_to_instance_char_field() disassembly (after)
/// CHECK: InstanceFieldSet
/// CHECK-NEXT: strh wzr, [x{{[0-9]+}}, #{{[0-9]+}}]
public char instance_char_field;
public void store_zero_to_instance_char_field() {
instance_char_field = 0;
}
/// CHECK-START-ARM64: void Main.store_zero_to_instance_short_field() disassembly (after)
/// CHECK: InstanceFieldSet
/// CHECK-NEXT: strh wzr, [x{{[0-9]+}}, #{{[0-9]+}}]
public short instance_short_field;
public void store_zero_to_instance_short_field() {
instance_short_field = 0;
}
/// CHECK-START-ARM64: void Main.store_zero_to_instance_int_field() disassembly (after)
/// CHECK: InstanceFieldSet
/// CHECK-NEXT: str wzr, [x{{[0-9]+}}, #{{[0-9]+}}]
public int instance_int_field;
public void store_zero_to_instance_int_field() {
instance_int_field = 0;
}
/// CHECK-START-ARM64: void Main.store_zero_to_instance_long_field() disassembly (after)
/// CHECK: InstanceFieldSet
/// CHECK-NEXT: str xzr, [x{{[0-9]+}}, #{{[0-9]+}}]
public long instance_long_field;
public void store_zero_to_instance_long_field() {
instance_long_field = 0;
}
/// CHECK-START-ARM64: void Main.store_zero_to_instance_float_field() disassembly (after)
/// CHECK: InstanceFieldSet
/// CHECK-NEXT: str wzr, [x{{[0-9]+}}, #{{[0-9]+}}]
public float instance_float_field;
public void store_zero_to_instance_float_field() {
instance_float_field = 0.0f;
}
/// CHECK-START-ARM64: void Main.store_zero_to_instance_double_field() disassembly (after)
/// CHECK: InstanceFieldSet
/// CHECK-NEXT: str xzr, [x{{[0-9]+}}, #{{[0-9]+}}]
public double instance_double_field;
public void store_zero_to_instance_double_field() {
instance_double_field = 0.0;
}
/// CHECK-START-ARM64: void Main.store_zero_to_volatile_instance_byte_field() disassembly (after)
/// CHECK: InstanceFieldSet
/// CHECK-NEXT: add <<temp:x[0-9]+>>, x{{[0-9]+}}, #0x{{[0-9a-fA-F]+}}
/// CHECK-NEXT: stlrb wzr, [<<temp>>]
public volatile byte volatile_instance_byte_field;
public void store_zero_to_volatile_instance_byte_field() {
volatile_instance_byte_field = 0;
}
/// CHECK-START-ARM64: void Main.store_zero_to_volatile_instance_char_field() disassembly (after)
/// CHECK: InstanceFieldSet
/// CHECK-NEXT: add <<temp:x[0-9]+>>, x{{[0-9]+}}, #0x{{[0-9a-fA-F]+}}
/// CHECK-NEXT: stlrh wzr, [<<temp>>]
public volatile char volatile_instance_char_field;
public void store_zero_to_volatile_instance_char_field() {
volatile_instance_char_field = 0;
}
/// CHECK-START-ARM64: void Main.store_zero_to_volatile_instance_short_field() disassembly (after)
/// CHECK: InstanceFieldSet
/// CHECK-NEXT: add <<temp:x[0-9]+>>, x{{[0-9]+}}, #0x{{[0-9a-fA-F]+}}
/// CHECK-NEXT: stlrh wzr, [<<temp>>]
public volatile short volatile_instance_short_field;
public void store_zero_to_volatile_instance_short_field() {
volatile_instance_short_field = 0;
}
/// CHECK-START-ARM64: void Main.store_zero_to_volatile_instance_int_field() disassembly (after)
/// CHECK: InstanceFieldSet
/// CHECK-NEXT: add <<temp:x[0-9]+>>, x{{[0-9]+}}, #0x{{[0-9a-fA-F]+}}
/// CHECK-NEXT: stlr wzr, [<<temp>>]
public volatile int volatile_instance_int_field;
public void store_zero_to_volatile_instance_int_field() {
volatile_instance_int_field = 0;
}
/// CHECK-START-ARM64: void Main.store_zero_to_volatile_instance_long_field() disassembly (after)
/// CHECK: InstanceFieldSet
/// CHECK-NEXT: add <<temp:x[0-9]+>>, x{{[0-9]+}}, #0x{{[0-9a-fA-F]+}}
/// CHECK-NEXT: stlr xzr, [<<temp>>]
public volatile long volatile_instance_long_field;
public void store_zero_to_volatile_instance_long_field() {
volatile_instance_long_field = 0;
}
/// CHECK-START-ARM64: void Main.store_zero_to_volatile_instance_float_field() disassembly (after)
/// CHECK: InstanceFieldSet
/// CHECK-NEXT: add <<temp:x[0-9]+>>, x{{[0-9]+}}, #0x{{[0-9a-fA-F]+}}
/// CHECK-NEXT: stlr wzr, [<<temp>>]
public volatile float volatile_instance_float_field;
public void store_zero_to_volatile_instance_float_field() {
volatile_instance_float_field = 0.0f;
}
/// CHECK-START-ARM64: void Main.store_zero_to_volatile_instance_double_field() disassembly (after)
/// CHECK: InstanceFieldSet
/// CHECK-NEXT: add <<temp:x[0-9]+>>, x{{[0-9]+}}, #0x{{[0-9a-fA-F]+}}
/// CHECK-NEXT: stlr xzr, [<<temp>>]
public volatile double volatile_instance_double_field;
public void store_zero_to_volatile_instance_double_field() {
volatile_instance_double_field = 0.0;
}
/// CHECK-START-ARM64: void Main.store_zero_to_array_byte() disassembly (after)
/// CHECK: ArraySet
/// CHECK-NEXT: strb wzr, [x{{[0-9]+}}, #{{[0-9]+}}]
byte array_byte[];
public void store_zero_to_array_byte() {
array_byte[0] = 0;
}
/// CHECK-START-ARM64: void Main.store_zero_to_array_char() disassembly (after)
/// CHECK: ArraySet
/// CHECK-NEXT: strh wzr, [x{{[0-9]+}}, #{{[0-9]+}}]
char array_char[];
public void store_zero_to_array_char() {
array_char[0] = 0;
}
/// CHECK-START-ARM64: void Main.store_zero_to_array_short() disassembly (after)
/// CHECK: ArraySet
/// CHECK-NEXT: strh wzr, [x{{[0-9]+}}, #{{[0-9]+}}]
short array_short[];
public void store_zero_to_array_short() {
array_short[0] = 0;
}
/// CHECK-START-ARM64: void Main.store_zero_to_array_int() disassembly (after)
/// CHECK: ArraySet
/// CHECK-NEXT: str wzr, [x{{[0-9]+}}, #{{[0-9]+}}]
int array_int[];
public void store_zero_to_array_int() {
array_int[0] = 0;
}
/// CHECK-START-ARM64: void Main.store_zero_to_array_long() disassembly (after)
/// CHECK: ArraySet
/// CHECK-NEXT: str xzr, [x{{[0-9]+}}, #{{[0-9]+}}]
long array_long[];
public void store_zero_to_array_long() {
array_long[0] = 0;
}
/// CHECK-START-ARM64: void Main.store_zero_to_array_float() disassembly (after)
/// CHECK: ArraySet
/// CHECK-NEXT: str wzr, [x{{[0-9]+}}, #{{[0-9]+}}]
float array_float[];
public void store_zero_to_array_float() {
array_float[0] = 0.0f;
}
/// CHECK-START-ARM64: void Main.store_zero_to_array_double() disassembly (after)
/// CHECK: ArraySet
/// CHECK-NEXT: str xzr, [x{{[0-9]+}}, #{{[0-9]+}}]
double array_double[];
public void store_zero_to_array_double() {
array_double[0] = 0.0;
}
public static void main(String args[]) {
Main obj = new Main();
obj.array_byte = new byte[1];
obj.array_char = new char[1];
obj.array_short = new short[1];
obj.array_int = new int[1];
obj.array_long = new long[1];
obj.array_float = new float[1];
obj.array_double = new double[1];
obj.bar();
obj.store_zero_to_static_byte_field();
obj.store_zero_to_static_char_field();
obj.store_zero_to_static_short_field();
obj.store_zero_to_static_int_field();
obj.store_zero_to_static_long_field();
obj.store_zero_to_static_float_field();
obj.store_zero_to_static_double_field();
obj.store_zero_to_volatile_static_byte_field();
obj.store_zero_to_volatile_static_char_field();
obj.store_zero_to_volatile_static_short_field();
obj.store_zero_to_volatile_static_int_field();
obj.store_zero_to_volatile_static_long_field();
obj.store_zero_to_volatile_static_float_field();
obj.store_zero_to_volatile_static_double_field();
obj.store_zero_to_instance_byte_field();
obj.store_zero_to_instance_char_field();
obj.store_zero_to_instance_short_field();
obj.store_zero_to_instance_int_field();
obj.store_zero_to_instance_long_field();
obj.store_zero_to_instance_float_field();
obj.store_zero_to_instance_double_field();
obj.store_zero_to_volatile_instance_byte_field();
obj.store_zero_to_volatile_instance_char_field();
obj.store_zero_to_volatile_instance_short_field();
obj.store_zero_to_volatile_instance_int_field();
obj.store_zero_to_volatile_instance_long_field();
obj.store_zero_to_volatile_instance_float_field();
obj.store_zero_to_volatile_instance_double_field();
obj.store_zero_to_array_byte();
obj.store_zero_to_array_char();
obj.store_zero_to_array_short();
obj.store_zero_to_array_int();
obj.store_zero_to_array_long();
obj.store_zero_to_array_float();
obj.store_zero_to_array_double();
}
}