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Added simd_i8_cmpeq for all SIMD widths. Fixed BitArray kSimdByteMask shift for 256-bit SIMD. (#466)

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This commit is contained in:
Branimir Karadžić
2026-10-17 17:20:12 -07:00
committed by GitHub
parent b111b30713
commit dd261e2775
12 changed files with 156 additions and 1 deletions
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14
tests/simd_test.cpp
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@@ -1275,6 +1275,13 @@ TEST_CASE("simd128_i32_cmpeq", "[simd]")
check_u32("i32_cmpeq", simd128_i32_cmpeq(a, b), 0xffffffff, 0, 0xffffffff, 0);
}
TEST_CASE("simd128_i8_cmpeq", "[simd]")
{
const simd128_t a = simd128_ld<simd128_t>(0x00ff7f01u, 0x80808080u, 0xfefefefeu, 0x10204080u);
const simd128_t b = simd128_ld<simd128_t>(0x00fe7f80u, 0x80008080u, 0xfefeffffu, 0x10204081u);
check_u32("i8_cmpeq", simd128_i8_cmpeq(a, b), 0xff00ff00u, 0xff00ffffu, 0xffff0000u, 0xffffff00u);
}
TEST_CASE("simd128_i32_cmpgt", "[simd]")
{
const simd128_t a = simd128_ld<simd128_t>(5u, 2u, 7u, 4u);
@@ -2003,6 +2010,13 @@ TEST_CASE("simd32_i8_add_sub", "[simd]")
REQUIRE(simd32_i8_sub(a, b).u32 == 0xf1f2f3f4);
}
TEST_CASE("simd32_i8_cmpeq", "[simd]")
{
REQUIRE(simd32_i8_cmpeq(make_u32(0x00ff7f01), make_u32(0x00fe7f80)).u32 == 0xff00ff00);
REQUIRE(simd32_i8_cmpeq(make_u32(0x80808080), make_u32(0x80808080)).u32 == 0xffffffff);
REQUIRE(simd32_i8_cmpeq(make_u32(0x01020304), make_u32(0x10203040)).u32 == 0);
}
TEST_CASE("simd32_u8_sat", "[simd]")
{
// satadd: 0xf0 + 0x20 = saturates to 0xff per byte