inoue.tomoya bave

bave / m256_compressstoreu_ps.rs

Last active October 22, 2020 11:45

tmp

	// +avx, +popcnt, +bmi2
	unsafe fn mm256_compressstroeu_ps(array: *mut f32, mask: u8, src: __m256)
	{
	let convert = _pext_u64(0x0706050403020100, _pdep_u64(mask as u64, 0x0101010101010101)*0xFF);
	let permute = _mm256_cvtepu8_epi32(_mm_cvtsi64_si128(convert as i64));
	let compress = _mm256_permutevar8x32_ps(src, permute);

	let imm8 = _popcnt64(mask as i64);
	let ret = match imm8 {
	0 => { _mm256_blend_ps(_mm256_loadu_ps(array), compress, 0x00) },

bave / hoge.yaml

Created April 5, 2022 06:59

hoge