Mercurial > hg > icedtea8-forest > hotspot
view test/aarch64/LongArithTests.java @ 10922:27cf2684ed40
Normalise AArch64 sources, prior to merge of upstream version.
author | Andrew John Hughes <gnu_andrew@member.fsf.org> |
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date | Thu, 22 Apr 2021 01:38:42 +0100 |
parents | ee546035e395 |
children | f79e943d15a7 |
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public class LongArithTests { private static final long IIMM12_0 = 0x1; // first imm value private static final long IIMM12_1 = 0xfff; // last 12bit imm value private static final long IIMM12_2 = 0x1001; // Should not encode as imm private static final long IIMM24_3 = 0x1000; // first 12 bit shifted imm private static final long IIMM24_4 = 0xfff000; // Last 12 bit shifted imm private static final long IIMM24_5 = 0x1001000; // Should not encode as imm private static long test_neg(long a) { return -a; } private static long test_add(long a, long b) { return a + b; } private static long test_addc0(long a) { return a + IIMM12_0; } private static long test_addc1(long a) { return a + IIMM12_1; } private static long test_addc2(long a) { return a + IIMM12_2; } private static long test_addc3(long a) { return a + IIMM24_3; } private static long test_addc4(long a) { return a + IIMM24_4; } private static long test_addc5(long a) { return a + IIMM24_5; } private static long test_sub(long a, long b) { return a - b; } private static long test_subc1(long a) { return a - 11; } private static long test_mulc1(long a) { // Generates shl. return a * 8; } private static long test_mulc2(long a) { // Generates shl followed by add. return a * 9; } private static long test_mulc3(long a) { // Generates shl followed by sub. return a * 7; } private static long test_mulc4(long a) { // Generates normal mul. return a * 10; } private static long test_mul(long a, long b) { // Generates normal mul. return a * b; } private static long test_div(long a, long b) { return a / b; } private static long test_rem(long a, long b) { return a % b; } private static void assertThat(boolean assertion) { if (! assertion) { throw new AssertionError(); } } public static void main(String[] args) { assertThat(test_neg(10) == -10); assertThat(test_add(3, 2) == 5); assertThat(test_add(Long.MAX_VALUE, 1) == Long.MIN_VALUE); assertThat(test_addc0(3) == 4); assertThat(test_addc1(3) == 0x1002); assertThat(test_addc2(3) == 0x1004); assertThat(test_addc3(3) == 0x1003); assertThat(test_addc4(3) == 0xfff003); assertThat(test_addc5(3) == 0x1001003); assertThat(test_sub(40, 13) == 27); assertThat(test_sub(Long.MIN_VALUE, 1) == Long.MAX_VALUE); assertThat(test_subc1(40) == 29); assertThat(test_mulc1(5) == 40); assertThat(test_mulc2(5) == 45); assertThat(test_mulc3(5) == 35); assertThat(test_mulc4(5) == 50); assertThat(test_mul(5, 200) == 1000); assertThat(test_div(30, 3) == 10); assertThat(test_div(29, 3) == 9); assertThat(test_div(Long.MIN_VALUE, -1) == Long.MIN_VALUE); try { test_div(30, 0); throw new AssertionError(); } catch (ArithmeticException ex) { // Pass. } assertThat(test_rem(30, 3) == 0); assertThat(test_rem(29, 3) == 2); assertThat(test_rem(Long.MIN_VALUE, -1) == 0); try { test_rem(30, 0); throw new AssertionError(); } catch (ArithmeticException ex) { // Pass. } } }