cosmopolitan/test/libc/intrin/palignr_test.c
2021-02-08 04:04:42 -08:00

221 lines
6.1 KiB
C

/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2020 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/intrin/palignr.h"
#include "libc/rand/rand.h"
#include "libc/testlib/ezbench.h"
#include "libc/testlib/testlib.h"
TEST(palignr, testLeftpad) {
const int A[4] = {1, 2, 3, 4};
const int B[4] = {5, 6, 7, 8};
int C[4] = {0};
palignr(C, B, A, 12);
ASSERT_EQ(4, C[0]);
ASSERT_EQ(5, C[1]);
ASSERT_EQ(6, C[2]);
ASSERT_EQ(7, C[3]);
}
TEST(palignr, testLeftpad_variableImmediate) {
const int A[4] = {1, 2, 3, 4};
const int B[4] = {5, 6, 7, 8};
int C[4] = {0};
palignr(C, B, A, VEIL("r", 12));
ASSERT_EQ(4, C[0]);
ASSERT_EQ(5, C[1]);
ASSERT_EQ(6, C[2]);
ASSERT_EQ(7, C[3]);
}
TEST(palignr, test0) {
const int A[4] = {1, 2, 3, 4};
const int B[4] = {5, 6, 7, 8};
int C[4];
palignr(C, B, A, 0);
ASSERT_EQ(1, C[0]);
ASSERT_EQ(2, C[1]);
ASSERT_EQ(3, C[2]);
ASSERT_EQ(4, C[3]);
}
TEST(palignr, test4) {
const int A[4] = {1, 2, 3, 4};
const int B[4] = {5, 6, 7, 8};
int C[4];
palignr(C, B, A, 4);
ASSERT_EQ(2, C[0]);
ASSERT_EQ(3, C[1]);
ASSERT_EQ(4, C[2]);
ASSERT_EQ(5, C[3]);
}
TEST(palignr, test12) {
const int A[4] = {1, 2, 3, 4};
const int B[4] = {5, 6, 7, 8};
int C[4];
palignr(C, B, A, 12);
ASSERT_EQ(4, C[0]);
ASSERT_EQ(5, C[1]);
ASSERT_EQ(6, C[2]);
ASSERT_EQ(7, C[3]);
}
TEST(palignr, test16) {
const int A[4] = {1, 2, 3, 4};
const int B[4] = {5, 6, 7, 8};
int C[4];
palignr(C, B, A, 16);
ASSERT_EQ(5, C[0]);
ASSERT_EQ(6, C[1]);
ASSERT_EQ(7, C[2]);
ASSERT_EQ(8, C[3]);
}
TEST(palignr, test20) {
const int A[4] = {1, 2, 3, 4};
const int B[4] = {5, 6, 7, 8};
int C[4] = {-1, -1, -1, -1};
palignr(C, B, A, 20);
ASSERT_EQ(6, C[0]);
ASSERT_EQ(7, C[1]);
ASSERT_EQ(8, C[2]);
ASSERT_EQ(0, C[3]);
}
TEST(palignrc, testLeftpad) {
const int A[4] = {1, 2, 3, 4};
const int B[4] = {5, 6, 7, 8};
int C[4] = {0};
(palignr)(C, B, A, 12);
ASSERT_EQ(4, C[0]);
ASSERT_EQ(5, C[1]);
ASSERT_EQ(6, C[2]);
ASSERT_EQ(7, C[3]);
}
TEST(palignrc, testLeftpad_variableImmediate) {
const int A[4] = {1, 2, 3, 4};
const int B[4] = {5, 6, 7, 8};
int C[4] = {0};
(palignr)(C, B, A, VEIL("r", 12));
ASSERT_EQ(4, C[0]);
ASSERT_EQ(5, C[1]);
ASSERT_EQ(6, C[2]);
ASSERT_EQ(7, C[3]);
}
TEST(palignrc, test0) {
const int A[4] = {1, 2, 3, 4};
const int B[4] = {5, 6, 7, 8};
int C[4];
(palignr)(C, B, A, 0);
ASSERT_EQ(1, C[0]);
ASSERT_EQ(2, C[1]);
ASSERT_EQ(3, C[2]);
ASSERT_EQ(4, C[3]);
}
TEST(palignrc, test4) {
const int A[4] = {1, 2, 3, 4};
const int B[4] = {5, 6, 7, 8};
int C[4];
(palignr)(C, B, A, 4);
ASSERT_EQ(2, C[0]);
ASSERT_EQ(3, C[1]);
ASSERT_EQ(4, C[2]);
ASSERT_EQ(5, C[3]);
}
TEST(palignrc, test12) {
const int A[4] = {1, 2, 3, 4};
const int B[4] = {5, 6, 7, 8};
int C[4];
(palignr)(C, B, A, 12);
ASSERT_EQ(4, C[0]);
ASSERT_EQ(5, C[1]);
ASSERT_EQ(6, C[2]);
ASSERT_EQ(7, C[3]);
}
TEST(palignrc, test16) {
const int A[4] = {1, 2, 3, 4};
const int B[4] = {5, 6, 7, 8};
int C[4];
(palignr)(C, B, A, 16);
ASSERT_EQ(5, C[0]);
ASSERT_EQ(6, C[1]);
ASSERT_EQ(7, C[2]);
ASSERT_EQ(8, C[3]);
}
TEST(palignrc, test20) {
const int A[4] = {1, 2, 3, 4};
const int B[4] = {5, 6, 7, 8};
int C[4] = {-1, -1, -1, -1};
(palignr)(C, B, A, 20);
ASSERT_EQ(6, C[0]);
ASSERT_EQ(7, C[1]);
ASSERT_EQ(8, C[2]);
ASSERT_EQ(0, C[3]);
}
TEST(palignr, test32orHigher_clearsOutput) {
const int A[4] = {1, 2, 3, 4};
const int B[4] = {5, 6, 7, 8};
int C[4] = {-1, -1, -1, -1};
palignr(C, B, A, 32);
ASSERT_EQ(0, C[0]);
ASSERT_EQ(0, C[1]);
ASSERT_EQ(0, C[2]);
ASSERT_EQ(0, C[3]);
C[0] = 43;
palignr(C, B, A, 123);
ASSERT_EQ(0, C[0]);
ASSERT_EQ(0, C[1]);
ASSERT_EQ(0, C[2]);
ASSERT_EQ(0, C[3]);
}
TEST(palignrv, test32orHigher_clearsOutput) {
const int A[4] = {1, 2, 3, 4};
const int B[4] = {5, 6, 7, 8};
int C[4] = {-1, -1, -1, -1};
palignr(C, B, A, VEIL("r", 32));
ASSERT_EQ(0, C[0]);
ASSERT_EQ(0, C[1]);
ASSERT_EQ(0, C[2]);
ASSERT_EQ(0, C[3]);
C[0] = 43;
palignr(C, B, A, VEIL("r", 123));
ASSERT_EQ(0, C[0]);
ASSERT_EQ(0, C[1]);
ASSERT_EQ(0, C[2]);
ASSERT_EQ(0, C[3]);
}
TEST(palignrc, test32orHigher_clearsOutput) {
const int A[4] = {1, 2, 3, 4};
const int B[4] = {5, 6, 7, 8};
int C[4] = {-1, -1, -1, -1};
(palignr)(C, B, A, 32);
ASSERT_EQ(0, C[0]);
ASSERT_EQ(0, C[1]);
ASSERT_EQ(0, C[2]);
ASSERT_EQ(0, C[3]);
}