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libdpf/thirdparty/simde/test/x86/avx512/lzcnt.c

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Initial import of libdpf. Co-authored-by: Cursor <cursoragent@cursor.com>
2026-09-24 14:08:32 -06:00
/* SPDX-License-Identifier: MIT
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use, copy,
* modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* Copyright:
* 2020 Evan Nemerson <evan@nemerson.com>
*/
#define SIMDE_TEST_X86_AVX512_INSN lzcnt
#include <test/x86/avx512/test-avx512.h>
#include <simde/x86/avx512/lzcnt.h>
static int
test_simde_mm_lzcnt_epi32(SIMDE_MUNIT_TEST_ARGS) {
const struct {
simde__m128i a;
simde__m128i r;
} test_vec[8] = {
{ simde_mm_set_epi32( INT32_MAX, INT32_MIN, ~INT32_C(0), INT32_C( 0)),
simde_mm_set_epi32(INT32_C( 1), INT32_C( 0), INT32_C( 0), INT32_C( 32)) },
{ simde_mm_set_epi32(INT32_C( 179), INT32_C( -17551), INT32_C( -2202065), INT32_C( -743837)),
simde_mm_set_epi32(INT32_C( 24), INT32_C( 0), INT32_C( 0), INT32_C( 0)) },
{ simde_mm_set_epi32(INT32_C( -2559), INT32_C( 388806146), INT32_C( 1927808), INT32_C( -112)),
simde_mm_set_epi32(INT32_C( 0), INT32_C( 3), INT32_C( 11), INT32_C( 0)) },
{ simde_mm_set_epi32(INT32_C( 22), INT32_C( -189678), INT32_C( 252), INT32_C( 27703)),
simde_mm_set_epi32(INT32_C( 27), INT32_C( 0), INT32_C( 24), INT32_C( 17)) },
{ simde_mm_set_epi32(INT32_C( -9106380), INT32_C( 8952567), INT32_C( -4), INT32_C( 685169)),
simde_mm_set_epi32(INT32_C( 0), INT32_C( 8), INT32_C( 0), INT32_C( 12)) },
{ simde_mm_set_epi32(INT32_C( 267298), INT32_C( -3422), INT32_C( 4), INT32_C( 31229)),
simde_mm_set_epi32(INT32_C( 13), INT32_C( 0), INT32_C( 29), INT32_C( 17)) },
{ simde_mm_set_epi32(INT32_C( 167383), INT32_C( 214), INT32_C( 0), INT32_C( -20257)),
simde_mm_set_epi32(INT32_C( 14), INT32_C( 24), INT32_C( 32), INT32_C( 0)) },
{ simde_mm_set_epi32(INT32_C( -147), INT32_C( -1774263), INT32_C( 143922), INT32_C( -914728)),
simde_mm_set_epi32(INT32_C( 0), INT32_C( 0), INT32_C( 14), INT32_C( 0)) }
};
for (size_t i = 0 ; i < (sizeof(test_vec) / sizeof(test_vec[0])); i++) {
simde__m128i r = simde_mm_lzcnt_epi32(test_vec[i].a);
simde_assert_m128i_i32(r, ==, test_vec[i].r);
}
return 0;
}
static int
test_simde_mm_mask_lzcnt_epi32 (SIMDE_MUNIT_TEST_ARGS) {
static const struct {
const int32_t src[4];
const simde__mmask8 k;
const int32_t a[4];
const int32_t r[4];
} test_vec[] = {
{ { -INT32_C( 1967906480), INT32_C( 444241631), INT32_C( 1751328815), INT32_C( 1797987849) },
UINT8_C( 10),
{ INT32_C( 5428843), INT32_C( 517032875), INT32_C( 698580121), INT32_C( 725459874) },
{ -INT32_C( 1967906480), INT32_C( 3), INT32_C( 1751328815), INT32_C( 2) } },
{ { -INT32_C( 69694592), INT32_C( 153290917), -INT32_C( 1675154320), -INT32_C( 246713960) },
UINT8_C( 13),
{ INT32_C( 18677), INT32_C( 21570), INT32_C( 30363), INT32_C( 9014) },
{ INT32_C( 17), INT32_C( 153290917), INT32_C( 17), INT32_C( 18) } },
{ { -INT32_C( 1957041304), INT32_C( 481872372), -INT32_C( 1332916123), -INT32_C( 503559615) },
UINT8_C( 6),
{ INT32_C( 0), INT32_C( 6), INT32_C( 6), INT32_C( 0) },
{ -INT32_C( 1957041304), INT32_C( 29), INT32_C( 29), -INT32_C( 503559615) } },
{ { -INT32_C( 2084109621), -INT32_C( 1412223970), -INT32_C( 638184227), -INT32_C( 244896523) },
UINT8_C( 2),
{ INT32_C( 315764), INT32_C( 402356), INT32_C( 357196), INT32_C( 345035) },
{ -INT32_C( 2084109621), INT32_C( 13), -INT32_C( 638184227), -INT32_C( 244896523) } },
{ { -INT32_C( 816134404), INT32_C( 1743009649), INT32_C( 2022955280), INT32_C( 1643201995) },
UINT8_C( 4),
{ INT32_C( 4198), INT32_C( 523483), INT32_C( 334642), INT32_C( 359676) },
{ -INT32_C( 816134404), INT32_C( 1743009649), INT32_C( 13), INT32_C( 1643201995) } },
{ { INT32_C( 1394876527), INT32_C( 455882120), -INT32_C( 1637746771), INT32_C( 707450200) },
UINT8_C( 1),
{ INT32_C( 820684), INT32_C( 155800), INT32_C( 822191), INT32_C( 791418) },
{ INT32_C( 12), INT32_C( 455882120), -INT32_C( 1637746771), INT32_C( 707450200) } },
{ { -INT32_C( 1241429622), -INT32_C( 961630619), INT32_C( 2006648396), -INT32_C( 224101327) },
UINT8_C( 8),
{ INT32_C( 15383396), INT32_C( 19320589), INT32_C( 17462288), INT32_C( 2498061) },
{ -INT32_C( 1241429622), -INT32_C( 961630619), INT32_C( 2006648396), INT32_C( 10) } },
{ { INT32_C( 1941272773), -INT32_C( 646315458), INT32_C( 492153721), INT32_C( 1334390173) },
UINT8_C( 10),
{ INT32_C( 50), INT32_C( 123), INT32_C( 121), INT32_C( 96) },
{ INT32_C( 1941272773), INT32_C( 25), INT32_C( 492153721), INT32_C( 25) } }
};
for (size_t i = 0 ; i < (sizeof(test_vec) / sizeof(test_vec[0])) ; i++) {
simde__m128i src = simde_x_mm_loadu_epi32(test_vec[i].src);
simde__m128i a = simde_x_mm_loadu_epi32(test_vec[i].a);
simde__m128i r = simde_mm_mask_lzcnt_epi32(src, test_vec[i].k, a);
simde_test_x86_assert_equal_i32x4(r, simde_x_mm_loadu_epi32(test_vec[i].r));
}
return 0;
}
static int
test_simde_mm_maskz_lzcnt_epi32 (SIMDE_MUNIT_TEST_ARGS) {
static const struct {
const simde__mmask8 k;
const int32_t a[16];
const int32_t r[16];
} test_vec[] = {
{ UINT8_C( 11),
{ INT32_C( 6), INT32_C( 2), INT32_C( 1), INT32_C( 7) },
{ INT32_C( 29), INT32_C( 30), INT32_C( 0), INT32_C( 29) } },
{ UINT8_C( 1),
{ INT32_C( 57768613), INT32_C( 44212542), INT32_C( 220122657), INT32_C( 188272304) },
{ INT32_C( 6), INT32_C( 0), INT32_C( 0), INT32_C( 0) } },
{ UINT8_C( 1),
{ INT32_C( 15428), INT32_C( 3147), INT32_C( 201), INT32_C( 13035) },
{ INT32_C( 18), INT32_C( 0), INT32_C( 0), INT32_C( 0) } },
{ UINT8_C( 14),
{ INT32_C( 7895), INT32_C( 6520), INT32_C( 2703), INT32_C( 1256) },
{ INT32_C( 0), INT32_C( 19), INT32_C( 20), INT32_C( 21) } },
{ UINT8_C( 18),
{ INT32_C( 3584232), INT32_C( 3831674), INT32_C( 372002), INT32_C( 3456164) },
{ INT32_C( 0), INT32_C( 10), INT32_C( 0), INT32_C( 0) } },
{ UINT8_C( 16),
{ INT32_C( 1915), INT32_C( 47708), INT32_C( 61410), INT32_C( 63376) },
{ INT32_C( 0), INT32_C( 0), INT32_C( 0), INT32_C( 0) } },
{ UINT8_C( 4),
{ INT32_C( 576116464), INT32_C( 682438940), INT32_C( 1066509946), INT32_C( 1013501310) },
{ INT32_C( 0), INT32_C( 0), INT32_C( 2), INT32_C( 0) } },
{ UINT8_C( 22),
{ INT32_C( 121955), INT32_C( 108474), INT32_C( 112020), INT32_C( 114447) },
{ INT32_C( 0), INT32_C( 15), INT32_C( 15), INT32_C( 0) } }
};
for (size_t i = 0 ; i < (sizeof(test_vec) / sizeof(test_vec[0])) ; i++) {
simde__m128i a = simde_x_mm_loadu_epi32(test_vec[i].a);
simde__m128i r = simde_mm_maskz_lzcnt_epi32(test_vec[i].k, a);
simde_test_x86_assert_equal_i32x4(r, simde_x_mm_loadu_epi32(test_vec[i].r));
}
return 0;
}
SIMDE_TEST_FUNC_LIST_BEGIN
SIMDE_TEST_FUNC_LIST_ENTRY(mm_lzcnt_epi32)
SIMDE_TEST_FUNC_LIST_ENTRY(mm_mask_lzcnt_epi32)
SIMDE_TEST_FUNC_LIST_ENTRY(mm_maskz_lzcnt_epi32)
SIMDE_TEST_FUNC_LIST_END
#include <test/x86/avx512/test-avx512-footer.h>
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