AVX_ALL-Compare-YMM

AVX_ALL-Compare-YMM#

_mm256_cmp_pd#

Tech:

AVX_ALL

Category:

Compare

Header:

immintrin.h

Searchable:

AVX_ALL-Compare-YMM

Register:

YMM 256 bit

Return Type:

__m256d

Param Types:

__m256d a, __m256d b, const int imm8

Param ETypes:

FP64 a, FP64 b, IMM imm8

__m256d _mm256_cmp_pd(__m256d a, __m256d b, const int imm8);

Intel Description

Compare packed double-precision (64-bit) floating-point elements in “a” and “b” based on the comparison operand specified by “imm8”, and store the results in “dst”.

Intel Implementation Psudeo-Code

CASE (imm8[4:0]) OF
0: OP := _CMP_EQ_OQ
1: OP := _CMP_LT_OS
2: OP := _CMP_LE_OS
3: OP := _CMP_UNORD_Q
4: OP := _CMP_NEQ_UQ
5: OP := _CMP_NLT_US
6: OP := _CMP_NLE_US
7: OP := _CMP_ORD_Q
8: OP := _CMP_EQ_UQ
9: OP := _CMP_NGE_US
10: OP := _CMP_NGT_US
11: OP := _CMP_FALSE_OQ
12: OP := _CMP_NEQ_OQ
13: OP := _CMP_GE_OS
14: OP := _CMP_GT_OS
15: OP := _CMP_TRUE_UQ
16: OP := _CMP_EQ_OS
17: OP := _CMP_LT_OQ
18: OP := _CMP_LE_OQ
19: OP := _CMP_UNORD_S
20: OP := _CMP_NEQ_US
21: OP := _CMP_NLT_UQ
22: OP := _CMP_NLE_UQ
23: OP := _CMP_ORD_S
24: OP := _CMP_EQ_US
25: OP := _CMP_NGE_UQ
26: OP := _CMP_NGT_UQ
27: OP := _CMP_FALSE_OS
28: OP := _CMP_NEQ_OS
29: OP := _CMP_GE_OQ
30: OP := _CMP_GT_OQ
31: OP := _CMP_TRUE_US
ESAC
FOR j := 0 to 3
        i := j*64
        dst[i+63:i] := ( a[i+63:i] OP b[i+63:i] ) ? 0xFFFFFFFFFFFFFFFF : 0
ENDFOR
dst[MAX:256] := 0

_mm256_cmp_ps#

Tech:

AVX_ALL

Category:

Compare

Header:

immintrin.h

Searchable:

AVX_ALL-Compare-YMM

Register:

YMM 256 bit

Return Type:

__m256

Param Types:

__m256 a, __m256 b, const int imm8

Param ETypes:

FP32 a, FP32 b, IMM imm8

__m256 _mm256_cmp_ps(__m256 a, __m256 b, const int imm8);

Intel Description

Compare packed single-precision (32-bit) floating-point elements in “a” and “b” based on the comparison operand specified by “imm8”, and store the results in “dst”.

Intel Implementation Psudeo-Code

CASE (imm8[4:0]) OF
0: OP := _CMP_EQ_OQ
1: OP := _CMP_LT_OS
2: OP := _CMP_LE_OS
3: OP := _CMP_UNORD_Q
4: OP := _CMP_NEQ_UQ
5: OP := _CMP_NLT_US
6: OP := _CMP_NLE_US
7: OP := _CMP_ORD_Q
8: OP := _CMP_EQ_UQ
9: OP := _CMP_NGE_US
10: OP := _CMP_NGT_US
11: OP := _CMP_FALSE_OQ
12: OP := _CMP_NEQ_OQ
13: OP := _CMP_GE_OS
14: OP := _CMP_GT_OS
15: OP := _CMP_TRUE_UQ
16: OP := _CMP_EQ_OS
17: OP := _CMP_LT_OQ
18: OP := _CMP_LE_OQ
19: OP := _CMP_UNORD_S
20: OP := _CMP_NEQ_US
21: OP := _CMP_NLT_UQ
22: OP := _CMP_NLE_UQ
23: OP := _CMP_ORD_S
24: OP := _CMP_EQ_US
25: OP := _CMP_NGE_UQ
26: OP := _CMP_NGT_UQ
27: OP := _CMP_FALSE_OS
28: OP := _CMP_NEQ_OS
29: OP := _CMP_GE_OQ
30: OP := _CMP_GT_OQ
31: OP := _CMP_TRUE_US
ESAC
FOR j := 0 to 7
        i := j*32
        dst[i+31:i] := ( a[i+31:i] OP b[i+31:i] ) ? 0xFFFFFFFF : 0
ENDFOR
dst[MAX:256] := 0

_mm256_cmpeq_epi8#

Tech:

AVX_ALL

Category:

Compare

Header:

immintrin.h

Searchable:

AVX_ALL-Compare-YMM

Register:

YMM 256 bit

Return Type:

__m256i

Param Types:

__m256i a, __m256i b

Param ETypes:

UI8 a, UI8 b

__m256i _mm256_cmpeq_epi8(__m256i a, __m256i b);

Intel Description

Compare packed 8-bit integers in “a” and “b” for equality, and store the results in “dst”.

Intel Implementation Psudeo-Code

FOR j := 0 to 31
        i := j*8
        dst[i+7:i] := ( a[i+7:i] == b[i+7:i] ) ? 0xFF : 0
ENDFOR
dst[MAX:256] := 0

_mm256_cmpeq_epi16#

Tech:

AVX_ALL

Category:

Compare

Header:

immintrin.h

Searchable:

AVX_ALL-Compare-YMM

Register:

YMM 256 bit

Return Type:

__m256i

Param Types:

__m256i a, __m256i b

Param ETypes:

UI16 a, UI16 b

__m256i _mm256_cmpeq_epi16(__m256i a, __m256i b);

Intel Description

Compare packed 16-bit integers in “a” and “b” for equality, and store the results in “dst”.

Intel Implementation Psudeo-Code

FOR j := 0 to 15
        i := j*16
        dst[i+15:i] := ( a[i+15:i] == b[i+15:i] ) ? 0xFFFF : 0
ENDFOR
dst[MAX:256] := 0

_mm256_cmpeq_epi32#

Tech:

AVX_ALL

Category:

Compare

Header:

immintrin.h

Searchable:

AVX_ALL-Compare-YMM

Register:

YMM 256 bit

Return Type:

__m256i

Param Types:

__m256i a, __m256i b

Param ETypes:

UI32 a, UI32 b

__m256i _mm256_cmpeq_epi32(__m256i a, __m256i b);

Intel Description

Compare packed 32-bit integers in “a” and “b” for equality, and store the results in “dst”.

Intel Implementation Psudeo-Code

FOR j := 0 to 7
        i := j*32
        dst[i+31:i] := ( a[i+31:i] == b[i+31:i] ) ? 0xFFFFFFFF : 0
ENDFOR
dst[MAX:256] := 0

_mm256_cmpeq_epi64#

Tech:

AVX_ALL

Category:

Compare

Header:

immintrin.h

Searchable:

AVX_ALL-Compare-YMM

Register:

YMM 256 bit

Return Type:

__m256i

Param Types:

__m256i a, __m256i b

Param ETypes:

UI64 a, UI64 b

__m256i _mm256_cmpeq_epi64(__m256i a, __m256i b);

Intel Description

Compare packed 64-bit integers in “a” and “b” for equality, and store the results in “dst”.

Intel Implementation Psudeo-Code

FOR j := 0 to 3
        i := j*64
        dst[i+63:i] := ( a[i+63:i] == b[i+63:i] ) ? 0xFFFFFFFFFFFFFFFF : 0
ENDFOR
dst[MAX:256] := 0

_mm256_cmpgt_epi8#

Tech:

AVX_ALL

Category:

Compare

Header:

immintrin.h

Searchable:

AVX_ALL-Compare-YMM

Register:

YMM 256 bit

Return Type:

__m256i

Param Types:

__m256i a, __m256i b

Param ETypes:

SI8 a, SI8 b

__m256i _mm256_cmpgt_epi8(__m256i a, __m256i b);

Intel Description

Compare packed signed 8-bit integers in “a” and “b” for greater-than, and store the results in “dst”.

Intel Implementation Psudeo-Code

FOR j := 0 to 31
        i := j*8
        dst[i+7:i] := ( a[i+7:i] > b[i+7:i] ) ? 0xFF : 0
ENDFOR
dst[MAX:256] := 0

_mm256_cmpgt_epi16#

Tech:

AVX_ALL

Category:

Compare

Header:

immintrin.h

Searchable:

AVX_ALL-Compare-YMM

Register:

YMM 256 bit

Return Type:

__m256i

Param Types:

__m256i a, __m256i b

Param ETypes:

SI16 a, SI16 b

__m256i _mm256_cmpgt_epi16(__m256i a, __m256i b);

Intel Description

Compare packed signed 16-bit integers in “a” and “b” for greater-than, and store the results in “dst”.

Intel Implementation Psudeo-Code

FOR j := 0 to 15
        i := j*16
        dst[i+15:i] := ( a[i+15:i] > b[i+15:i] ) ? 0xFFFF : 0
ENDFOR
dst[MAX:256] := 0

_mm256_cmpgt_epi32#

Tech:

AVX_ALL

Category:

Compare

Header:

immintrin.h

Searchable:

AVX_ALL-Compare-YMM

Register:

YMM 256 bit

Return Type:

__m256i

Param Types:

__m256i a, __m256i b

Param ETypes:

SI32 a, SI32 b

__m256i _mm256_cmpgt_epi32(__m256i a, __m256i b);

Intel Description

Compare packed signed 32-bit integers in “a” and “b” for greater-than, and store the results in “dst”.

Intel Implementation Psudeo-Code

FOR j := 0 to 7
        i := j*32
        dst[i+31:i] := ( a[i+31:i] > b[i+31:i] ) ? 0xFFFFFFFF : 0
ENDFOR
dst[MAX:256] := 0

_mm256_cmpgt_epi64#

Tech:

AVX_ALL

Category:

Compare

Header:

immintrin.h

Searchable:

AVX_ALL-Compare-YMM

Register:

YMM 256 bit

Return Type:

__m256i

Param Types:

__m256i a, __m256i b

Param ETypes:

SI64 a, SI64 b

__m256i _mm256_cmpgt_epi64(__m256i a, __m256i b);

Intel Description

Compare packed signed 64-bit integers in “a” and “b” for greater-than, and store the results in “dst”.

Intel Implementation Psudeo-Code

FOR j := 0 to 3
        i := j*64
        dst[i+63:i] := ( a[i+63:i] > b[i+63:i] ) ? 0xFFFFFFFFFFFFFFFF : 0
ENDFOR
dst[MAX:256] := 0
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