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X86.Sse2

SSE2 intrinsics
Read time 22 minutesLast updated 5 days ago

Definition

public static class X86.Sse2

Static Properties

Property

Description

IsSse2SupportedEvaluates to true at compile time if SSE2 intrinsics are supported.

Static Methods

Method

Description

add_epi16Add packed 16-bit integers in "a" and "b", and store the results in "dst".
add_epi32Add packed 32-bit integers in "a" and "b", and store the results in "dst".
add_epi64Add packed 64-bit integers in "a" and "b", and store the results in "dst".
add_epi8Add packed 8-bit integers in "a" and "b", and store the results in "dst".
add_pdAdd packed double-precision (64-bit) floating-point elements in "a" and "b", and store the results in "dst".
add_sdAdd the lower double-precision (64-bit) floating-point element in "a" and "b", store the result in the lower element of "dst", and copy the upper element from "a" to the upper element of "dst".
adds_epi16Add packed 16-bit integers in "a" and "b" using saturation, and store the results in "dst".
adds_epi8Add packed 8-bit integers in "a" and "b" using saturation, and store the results in "dst".
adds_epu16Add packed unsigned 16-bit integers in "a" and "b" using saturation, and store the results in "dst".
adds_epu8Add packed unsigned 8-bit integers in "a" and "b" using saturation, and store the results in "dst".
and_pdCompute the bitwise AND of packed double-precision (64-bit) floating-point elements in "a" and "b", and store the results in "dst".
and_si128Compute the bitwise AND of 128 bits (representing integer data) in "a" and "b", and store the result in "dst".
andnot_pdCompute the bitwise NOT of packed double-precision (64-bit) floating-point elements in "a" and then AND with "b", and store the results in "dst".
andnot_si128Compute the bitwise NOT of 128 bits (representing integer data) in "a" and then AND with "b", and store the result in "dst".
avg_epu16Average packed unsigned 16-bit integers in "a" and "b", and store the results in "dst".
avg_epu8Average packed unsigned 8-bit integers in "a" and "b", and store the results in "dst".
bslli_si128Shift "a" left by "imm8" bytes while shifting in zeros, and store the results in "dst".
bsrli_si128Shift "a" right by "imm8" bytes while shifting in zeros, and store the results in "dst".
clflushInvalidate and flush the cache line that contains p from all levels of the cache hierarchy.
cmpeq_epi16Compare packed 16-bit integers in "a" and "b" for equality, and store the results in "dst".
cmpeq_epi32Compare packed 32-bit integers in "a" and "b" for equality, and store the results in "dst".
cmpeq_epi8Compare packed 8-bit integers in "a" and "b" for equality, and store the results in "dst".
cmpeq_pdCompare packed double-precision (64-bit) floating-point elements in "a" and "b" for equality, and store the results in "dst".
cmpeq_sdCompare the lower double-precision (64-bit) floating-point elements in "a" and "b" for equality, store the result in the lower element of "dst", and copy the upper element from "a" to the upper element of "dst".
cmpge_pdCompare packed double-precision (64-bit) floating-point elements in "a" and "b" for greater-than-or-equal, and store the results in "dst".
cmpge_sdCompare the lower double-precision (64-bit) floating-point elements in "a" and "b" for greater-than-or-equal, store the result in the lower element of "dst", and copy the upper element from "a" to the upper element of "dst".
cmpgt_epi16Compare packed 16-bit integers in "a" and "b" for greater-than, and store the results in "dst".
cmpgt_epi32Compare packed 32-bit integers in "a" and "b" for greater-than, and store the results in "dst".
cmpgt_epi8Compare packed 8-bit integers in "a" and "b" for greater-than, and store the results in "dst".
cmpgt_pdCompare packed double-precision (64-bit) floating-point elements in "a" and "b" for greater-than, and store the results in "dst".
cmpgt_sdCompare the lower double-precision (64-bit) floating-point elements in "a" and "b" for greater-than, store the result in the lower element of "dst", and copy the upper element from "a" to the upper element of "dst".
cmple_pdCompare packed double-precision (64-bit) floating-point elements in "a" and "b" for less-than-or-equal, and store the results in "dst".
cmple_sdCompare the lower double-precision (64-bit) floating-point elements in "a" and "b" for less-than-or-equal, store the result in the lower element of "dst", and copy the upper element from "a" to the upper element of "dst".
cmplt_epi16Compare packed 16-bit integers in "a" and "b" for less-than, and store the results in "dst". Note: This intrinsic emits the pcmpgtw instruction with the order of the operands switched.
cmplt_epi32Compare packed 32-bit integers in "a" and "b" for less-than, and store the results in "dst". Note: This intrinsic emits the pcmpgtd instruction with the order of the operands switched.
cmplt_epi8Compare packed 8-bit integers in "a" and "b" for less-than, and store the results in "dst". Note: This intrinsic emits the pcmpgtb instruction with the order of the operands switched.
cmplt_pdCompare packed double-precision (64-bit) floating-point elements in "a" and "b" for less-than, and store the results in "dst".
cmplt_sdCompare the lower double-precision (64-bit) floating-point elements in "a" and "b" for less-than, store the result in the lower element of "dst", and copy the upper element from "a" to the upper element of "dst".
cmpneq_pdCompare packed double-precision (64-bit) floating-point elements in "a" and "b" for not-equal, and store the results in "dst".
cmpneq_sdCompare the lower double-precision (64-bit) floating-point elements in "a" and "b" for not-equal, store the result in the lower element of "dst", and copy the upper element from "a" to the upper element of "dst".
cmpnge_pdCompare packed double-precision (64-bit) floating-point elements in "a" and "b" for not-greater-than-or-equal, and store the results in "dst".
cmpnge_sdCompare the lower double-precision (64-bit) floating-point elements in "a" and "b" for not-greater-than-or-equal, store the result in the lower element of "dst", and copy the upper element from "a" to the upper element of "dst".
cmpngt_pdCompare packed double-precision (64-bit) floating-point elements in "a" and "b" for not-greater-than, and store the results in "dst".
cmpngt_sdCompare the lower double-precision (64-bit) floating-point elements in "a" and "b" for not-greater-than, store the result in the lower element of "dst", and copy the upper element from "a" to the upper element of "dst".
cmpnle_pdCompare packed double-precision (64-bit) floating-point elements in "a" and "b" for not-less-than-or-equal, and store the results in "dst".
cmpnle_sdCompare the lower double-precision (64-bit) floating-point elements in "a" and "b" for not-less-than-or-equal, store the result in the lower element of "dst", and copy the upper element from "a" to the upper element of "dst".
cmpnlt_pdCompare packed double-precision (64-bit) floating-point elements in "a" and "b" for not-less-than, and store the results in "dst".
cmpnlt_sdCompare the lower double-precision (64-bit) floating-point elements in "a" and "b" for not-less-than, store the result in the lower element of "dst", and copy the upper element from "a" to the upper element of "dst".
cmpord_pdCompare packed double-precision (64-bit) floating-point elements in "a" and "b" to see if neither is NaN, and store the results in "dst".
cmpord_sdCompare the lower double-precision (64-bit) floating-point elements in "a" and "b" to see if neither is NaN, store the result in the lower element of "dst", and copy the upper element from "a" to the upper element of "dst".
cmpunord_pdCompare packed double-precision (64-bit) floating-point elements in "a" and "b" to see if either is NaN, and store the results in "dst".
cmpunord_sdCompare the lower double-precision (64-bit) floating-point elements in "a" and "b" to see if either is NaN, store the result in the lower element of "dst", and copy the upper element from "a" to the upper element of "dst".
comieq_sdCompare the lower double-precision (64-bit) floating-point element in "a" and "b" for equality, and return the boolean result (0 or 1).
comige_sdCompare the lower double-precision (64-bit) floating-point element in "a" and "b" for greater-than-or-equal, and return the boolean result (0 or 1).
comigt_sdCompare the lower double-precision (64-bit) floating-point element in "a" and "b" for greater-than, and return the boolean result (0 or 1).
comile_sdCompare the lower double-precision (64-bit) floating-point element in "a" and "b" for less-than-or-equal, and return the boolean result (0 or 1).
comilt_sdCompare the lower double-precision (64-bit) floating-point element in "a" and "b" for less-than, and return the boolean result (0 or 1).
comineq_sdCompare the lower double-precision (64-bit) floating-point element in "a" and "b" for not-equal, and return the boolean result (0 or 1).
cvtepi32_pdConvert packed 32-bit integers in "a" to packed double-precision (64-bit) floating-point elements, and store the results in "dst".
cvtepi32_psConvert packed 32-bit integers in "a" to packed single-precision (32-bit) floating-point elements, and store the results in "dst".
cvtpd_epi32Convert packed double-precision (64-bit) floating-point elements in "a" to packed 32-bit integers, and store the results in "dst".
cvtpd_psConvert packed double-precision (64-bit) floating-point elements in "a" to packed single-precision (32-bit) floating-point elements, and store the results in "dst".
cvtps_epi32Convert packed single-precision (32-bit) floating-point elements in "a" to packed 32-bit integers, and store the results in "dst".
cvtps_pdConvert packed single-precision (32-bit) floating-point elements in "a" to packed double-precision (64-bit) floating-point elements, and store the results in "dst".
cvtsd_f64Copy the lower double-precision (64-bit) floating-point element of "a" to "dst".
cvtsd_si32Convert the lower double-precision (64-bit) floating-point element in "a" to a 32-bit integer, and store the result in "dst".
cvtsd_si64Convert the lower double-precision (64-bit) floating-point element in "a" to a 64-bit integer, and store the result in "dst".
cvtsd_si64xConvert the lower double-precision (64-bit) floating-point element in "a" to a 64-bit integer, and store the result in "dst".
cvtsd_ssConvert the lower double-precision (64-bit) floating-point element in "b" to a single-precision (32-bit) floating-point element, store the result in the lower element of "dst", and copy the upper element from "a" to the upper element of "dst".
cvtsi128_si32Copy the lower 32-bit integer in "a" to "dst".
cvtsi128_si64Copy the lower 64-bit integer in "a" to "dst".
cvtsi128_si64xCopy the lower 64-bit integer in "a" to "dst".
cvtsi32_sdConvert the 32-bit integer "b" to a double-precision (64-bit) floating-point element, store the result in the lower element of "dst", and copy the upper element from "a" to the upper element of "dst".
cvtsi32_si128Copy 32-bit integer "a" to the lower elements of "dst", and zero the upper elements of "dst".
cvtsi64_sdConvert the 64-bit integer "b" to a double-precision (64-bit) floating-point element, store the result in the lower element of "dst", and copy the upper element from "a" to the upper element of "dst".
cvtsi64_si128Copy 64-bit integer "a" to the lower element of "dst", and zero the upper element.
cvtsi64x_sdConvert the 64-bit integer "b" to a double-precision (64-bit) floating-point element, store the result in the lower element of "dst", and copy the upper element from "a" to the upper element of "dst".
cvtsi64x_si128Copy 64-bit integer "a" to the lower element of "dst", and zero the upper element.
cvtss_sdConvert the lower single-precision (32-bit) floating-point element in "b" to a double-precision (64-bit) floating-point element, store the result in the lower element of "dst", and copy the upper element from "a" to the upper element of "dst".
cvttpd_epi32Convert packed double-precision (64-bit) floating-point elements in "a" to packed 32-bit integers with truncation, and store the results in "dst".
cvttps_epi32Convert packed single-precision (32-bit) floating-point elements in "a" to packed 32-bit integers with truncation, and store the results in "dst".
cvttsd_si32Convert the lower double-precision (64-bit) floating-point element in "a" to a 32-bit integer with truncation, and store the result in "dst".
cvttsd_si64Convert the lower double-precision (64-bit) floating-point element in "a" to a 64-bit integer with truncation, and store the result in "dst".
cvttsd_si64xConvert the lower double-precision (64-bit) floating-point element in "a" to a 64-bit integer with truncation, and store the result in "dst".
div_pdDivide packed double-precision (64-bit) floating-point elements in "a" by packed elements in "b", and store the results in "dst".
div_sdDivide the lower double-precision (64-bit) floating-point element in "a" by the lower double-precision (64-bit) floating-point element in "b", store the result in the lower element of "dst", and copy the upper element from "a" to the upper element of "dst".
extract_epi16Extract a 16-bit integer from "a", selected with "imm8", and store the result in the lower element of "dst".
insert_epi16Copy "a" to "dst", and insert the 16-bit integer "i" into "dst" at the location specified by "imm8".
load_si128Load 128-bits of integer data from memory into dst.
loadu_si128Load 128-bits of integer data from memory into dst.
loadu_si32Load unaligned 32-bit integer from memory into the first element of dst.
madd_epi16Multiply packed signed 16-bit integers in "a" and "b", producing intermediate signed 32-bit integers. Horizontally add adjacent pairs of intermediate 32-bit integers, and pack the results in "dst".
max_epi16Compare packed 16-bit integers in "a" and "b", and store packed maximum values in "dst".
max_epu8Compare packed unsigned 8-bit integers in "a" and "b", and store packed maximum values in "dst".
max_pdCompare packed double-precision (64-bit) floating-point elements in "a" and "b", and store packed maximum values in "dst".
max_sdCompare the lower double-precision (64-bit) floating-point elements in "a" and "b", store the maximum value in the lower element of "dst", and copy the upper element from "a" to the upper element of "dst".
min_epi16Compare packed 16-bit integers in "a" and "b", and store packed minimum values in "dst".
min_epu8Compare packed unsigned 8-bit integers in "a" and "b", and store packed minimum values in "dst".
min_pdCompare packed double-precision (64-bit) floating-point elements in "a" and "b", and store packed minimum values in "dst".
min_sdCompare the lower double-precision (64-bit) floating-point elements in "a" and "b", store the minimum value in the lower element of "dst", and copy the upper element from "a" to the upper element of "dst".
move_epi64Copy the lower 64-bit integer in "a" to the lower element of "dst", and zero the upper element.
move_sdMove the lower double-precision (64-bit) floating-point element from "b" to the lower element of "dst", and copy the upper element from "a" to the upper element of "dst".
movemask_epi8Create mask from the most significant bit of each 8-bit element in "a", and store the result in "dst".
movemask_pdSet each bit of mask "dst" based on the most significant bit of the corresponding packed double-precision (64-bit) floating-point element in "a".
mul_epu32Multiply the low unsigned 32-bit integers from each packed 64-bit element in "a" and "b", and store the unsigned 64-bit results in "dst".
mul_pdMultiply packed double-precision (64-bit) floating-point elements in "a" and "b", and store the results in "dst".
mul_sdMultiply the lower double-precision (64-bit) floating-point element in "a" and "b", store the result in the lower element of "dst", and copy the upper element from "a" to the upper element of "dst".
mulhi_epi16Multiply the packed 16-bit integers in "a" and "b", producing intermediate 32-bit integers, and store the high 16 bits of the intermediate integers in "dst".
mulhi_epu16Multiply the packed unsigned 16-bit integers in "a" and "b", producing intermediate 32-bit integers, and store the high 16 bits of the intermediate integers in "dst".
mullo_epi16Multiply the packed 16-bit integers in "a" and "b", producing intermediate 32-bit integers, and store the low 16 bits of the intermediate integers in "dst".
or_pdCompute the bitwise OR of packed double-precision (64-bit) floating-point elements in "a" and "b", and store the results in "dst".
or_si128Compute the bitwise OR of 128 bits (representing integer data) in "a" and "b", and store the result in "dst".
packs_epi16Convert packed 16-bit integers from "a" and "b" to packed 8-bit integers using signed saturation, and store the results in "dst".
packs_epi32Convert packed 32-bit integers from "a" and "b" to packed 16-bit integers using signed saturation, and store the results in "dst".
packus_epi16Convert packed 16-bit integers from "a" and "b" to packed 8-bit integers using unsigned saturation, and store the results in "dst".
sad_epu8Compute the absolute differences of packed unsigned 8-bit integers in "a" and "b", then horizontally sum each consecutive 8 differences to produce two unsigned 16-bit integers, and pack these unsigned 16-bit integers in the low 16 bits of 64-bit elements in "dst".
set1_epi16Broadcast 16-bit integer "a" to all all elements of "dst". This intrinsic may generate "vpbroadcastw".
set1_epi32Broadcast 32-bit integer "a" to all elements of "dst". This intrinsic may generate "vpbroadcastd".
set1_epi64xBroadcast 64-bit integer "a" to all elements of "dst". This intrinsic may generate the "vpbroadcastq".
set1_epi8Broadcast 8-bit integer "a" to all elements of "dst". This intrinsic may generate "vpbroadcastb".
set1_pdBroadcast double-precision (64-bit) floating-point value "a" to all elements of "dst".
set_epi16Set packed 16-bit integers in "dst" with the supplied values.
set_epi32Set packed 32-bit integers in "dst" with the supplied values.
set_epi64xSet packed 64-bit integers in "dst" with the supplied values.
set_epi8Set packed 8-bit integers in "dst" with the supplied values in reverse order.
set_pdSet packed double-precision (64-bit) floating-point elements in "dst" with the supplied values.
set_pd1Broadcast double-precision (64-bit) floating-point value "a" to all elements of "dst".
set_sdCopy double-precision (64-bit) floating-point element "a" to the lower element of "dst", and zero the upper element.
setr_epi16Set packed 16-bit integers in "dst" with the supplied values in reverse order.
setr_epi32Set packed 32-bit integers in "dst" with the supplied values in reverse order.
setr_epi8Set packed 8-bit integers in "dst" with the supplied values in reverse order.
setr_pdSet packed double-precision (64-bit) floating-point elements in "dst" with the supplied values in reverse order.
setzero_si128Return vector of type __m128i with all elements set to zero.
SHUFFLE2Return a shuffle immediate suitable for use with _mm_shuffle_ps and similar instructions.
shuffle_epi32Shuffle 32-bit integers in "a" using the control in "imm8", and store the results in "dst".
shuffle_pdShuffle double-precision (64-bit) floating-point elements using the control in "imm8", and store the results in "dst".
shufflehi_epi16Shuffle 16-bit integers in the high 64 bits of "a" using the control in "imm8". Store the results in the high 64 bits of "dst", with the low 64 bits being copied from from "a" to "dst".
shufflelo_epi16Shuffle 16-bit integers in the low 64 bits of "a" using the control in "imm8". Store the results in the low 64 bits of "dst", with the high 64 bits being copied from from "a" to "dst".
sll_epi16Shift packed 16-bit integers in "a" left by "count" while shifting in zeros, and store the results in "dst".
sll_epi32Shift packed 32-bit integers in "a" left by "count" while shifting in zeros, and store the results in "dst".
sll_epi64Shift packed 64-bit integers in "a" left by "count" while shifting in zeros, and store the results in "dst".
slli_epi16Shift packed 16-bit integers in "a" left by "imm8" while shifting in zeros, and store the results in "dst".
slli_epi32Shift packed 32-bit integers in "a" left by "imm8" while shifting in zeros, and store the results in "dst".
slli_epi64Shift packed 64-bit integers in "a" left by "imm8" while shifting in zeros, and store the results in "dst".
slli_si128Shift "a" left by "imm8" bytes while shifting in zeros, and store the results in "dst".
sqrt_pdCompute the square root of packed double-precision (64-bit) floating-point elements in "a", and store the results in "dst".
sqrt_sdCompute the square root of the lower double-precision (64-bit) floating-point element in "b", store the result in the lower element of "dst", and copy the upper element from "a" to the upper element of "dst".
sra_epi16Shift packed 16-bit integers in "a" right by "count" while shifting in sign bits, and store the results in "dst".
sra_epi32Shift packed 32-bit integers in "a" right by "count" while shifting in sign bits, and store the results in "dst".
srai_epi16Shift packed 16-bit integers in "a" right by "imm8" while shifting in sign bits, and store the results in "dst".
srai_epi32Shift packed 32-bit integers in "a" right by "imm8" while shifting in sign bits, and store the results in "dst".
srl_epi16Shift packed 16-bit integers in "a" right by "count" while shifting in zeros, and store the results in "dst".
srl_epi32Shift packed 32-bit integers in "a" right by "count" while shifting in zeros, and store the results in "dst".
srl_epi64Shift packed 64-bit integers in "a" right by "count" while shifting in zeros, and store the results in "dst".
srli_epi16Shift packed 16-bit integers in "a" right by "imm8" while shifting in zeros, and store the results in "dst".
srli_epi32Shift packed 32-bit integers in "a" right by "imm8" while shifting in zeros, and store the results in "dst".
srli_epi64Shift packed 64-bit integers in "a" right by "imm8" while shifting in zeros, and store the results in "dst".
srli_si128Shift "a" right by "imm8" bytes while shifting in zeros, and store the results in "dst".
store_si128Store 128-bits of integer data from a into memory.
storeu_si128Store 128-bits of integer data from a into memory.
storeu_si32Store 32-bit integer from the first element of a into memory. mem_addr does not need to be aligned on any particular boundary.
stream_pdStore 128-bits (composed of 2 packed double-precision (64-bit) floating-point elements) from "a" into memory using a non-temporal memory hint. "mem_addr" must be aligned on a 16-byte boundary or a general-protection exception will be generated.
stream_si128Store 128-bits of integer data from a into memory using a non-temporal memory hint.mem_addr must be aligned on a 16-byte boundary or a general-protection exception may be generated.
stream_si32Store 32-bit integer "a" into memory using a non-temporal hint to minimize cache pollution. If the cache line containing address "mem_addr" is already in the cache, the cache will be updated.
stream_si64Store 64-bit integer a into memory using a non-temporal hint to minimize cache pollution. If the cache line containing address mem_addr is already in the cache, the cache will be updated.
sub_epi16Subtract packed 16-bit integers in "b" from packed 16-bit integers in "a", and store the results in "dst".
sub_epi32Subtract packed 32-bit integers in "b" from packed 32-bit integers in "a", and store the results in "dst".
sub_epi64Subtract packed 64-bit integers in "b" from packed 64-bit integers in "a", and store the results in "dst".
sub_epi8Subtract packed 8-bit integers in "b" from packed 8-bit integers in "a", and store the results in "dst".
sub_pdSubtract packed double-precision (64-bit) floating-point elements in "b" from packed double-precision (64-bit) floating-point elements in "a", and store the results in "dst".
sub_sdSubtract the lower double-precision (64-bit) floating-point element in "b" from the lower double-precision (64-bit) floating-point element in "a", store the result in the lower element of "dst", and copy the upper element from "a" to the upper element of "dst".
subs_epi16Subtract packed 16-bit integers in "b" from packed 16-bit integers in "a" using saturation, and store the results in "dst".
subs_epi8Subtract packed 8-bit integers in "b" from packed 8-bit integers in "a" using saturation, and store the results in "dst".
subs_epu16Subtract packed unsigned 16-bit integers in "b" from packed unsigned 16-bit integers in "a" using saturation, and store the results in "dst".
subs_epu8Subtract packed unsigned 8-bit integers in "b" from packed unsigned 8-bit integers in "a" using saturation, and store the results in "dst".
ucomieq_sdCompare the lower double-precision (64-bit) floating-point element in "a" and "b" for equality, and return the boolean result (0 or 1). This instruction will not signal an exception for QNaNs.
ucomige_sdCompare the lower double-precision (64-bit) floating-point element in "a" and "b" for greater-than-or-equal, and return the boolean result (0 or 1). This instruction will not signal an exception for QNaNs.
ucomigt_sdCompare the lower double-precision (64-bit) floating-point element in "a" and "b" for greater-than, and return the boolean result (0 or 1). This instruction will not signal an exception for QNaNs.
ucomile_sdCompare the lower double-precision (64-bit) floating-point element in "a" and "b" for less-than-or-equal, and return the boolean result (0 or 1). This instruction will not signal an exception for QNaNs.
ucomilt_sdCompare the lower double-precision (64-bit) floating-point element in "a" and "b" for less-than, and return the boolean result (0 or 1). This instruction will not signal an exception for QNaNs.
ucomineq_sdCompare the lower double-precision (64-bit) floating-point element in "a" and "b" for not-equal, and return the boolean result (0 or 1). This instruction will not signal an exception for QNaNs.
unpackhi_epi16Unpack and interleave 16-bit integers from the high half of "a" and "b", and store the results in "dst".
unpackhi_epi32Unpack and interleave 32-bit integers from the high half of "a" and "b", and store the results in "dst".
unpackhi_epi64Unpack and interleave 64-bit integers from the high half of "a" and "b", and store the results in "dst".
unpackhi_epi8Unpack and interleave 8-bit integers from the high half of "a" and "b", and store the results in "dst".
unpackhi_pdUnpack and interleave double-precision (64-bit) floating-point elements from the high half of "a" and "b", and store the results in "dst".
unpacklo_epi16Unpack and interleave 16-bit integers from the low half of "a" and "b", and store the results in "dst".
unpacklo_epi32Unpack and interleave 32-bit integers from the low half of "a" and "b", and store the results in "dst".
unpacklo_epi64Unpack and interleave 64-bit integers from the low half of "a" and "b", and store the results in "dst".
unpacklo_epi8Unpack and interleave 8-bit integers from the low half of "a" and "b", and store the results in "dst".
unpacklo_pdUnpack and interleave double-precision (64-bit) floating-point elements from the low half of "a" and "b", and store the results in "dst".
xor_pdCompute the bitwise XOR of packed double-precision (64-bit) floating-point elements in "a" and "b", and store the results in "dst".
xor_si128Compute the bitwise XOR of 128 bits (representing integer data) in "a" and "b", and store the result in "dst".