# Intrinsics for Integer Comparison Operations

The prototypes for Intel® Advanced Vector Extensions 512 (Intel® AVX-512) intrinsics are located in the zmmintrin.h header file.
To use these intrinsics, include the immintrin.h file as follows:

    #include <immintrin.h>

Intrinsic Name | Operation | Corresponding Intel® AVX-512 Instruction
--- | --- | ---
`_mm512_cmp_epi32_mask` `_mm512_cmpeq_epi32_mask`, `_mm512_cmpge_epi32_mask`, `_mm512_cmpgt_epi32_mask`, `_mm512_cmple_epi32_mask`, `_mm512_cmplt_epi32_mask`, `_mm512_cmpneq_epi32_mask`, `_mm512_mask_cmp_epi32_mask`, `_mm512_mask_cmpeq_epi32_mask`, `_mm512_mask_cmpge_epi32_mask`, `_mm512_mask_cmpgt_epi32_mask`, `_mm512_mask_cmple_epi32_mask`, `_mm512_mask_cmplt_epi32_mask`, `_mm512_mask_cmpneq_epi32_mask` | Compare signed int32 elements based on the comparison operand. | `VPCMPD`
`_mm512_cmp_epi64_mask`, `_mm512_mask_cmp_epi64_mask` `_mm512_cmpeq_epi64_mask`, `_mm512_cmpge_epi64_mask`, `_mm512_cmpgt_epi64_mask`, `_mm512_cmple_epi64_mask`, `_mm512_cmplt_epi64_mask`, `_mm512_cmpneq_epi64_mask`, `_mm512_mask_cmp_epi64_mask`, `_mm512_mask_cmpeq_epi64_mask`, `_mm512_mask_cmpge_epi64_mask`, `_mm512_mask_cmpgt_epi64_mask`, `_mm512_mask_cmple_epi64_mask`, `_mm512_mask_cmplt_epi64_mask`, `_mm512_mask_cmpneq_epi64_mask` | Compare signed int64 elements based on the comparison operand. | `VPCMPQ`
`_mm512_cmp_epu32_mask` `_mm512_cmpeq_epu32_mask`, `_mm512_cmpge_epu32_mask`, `_mm512_cmpgt_epu32_mask`, `_mm512_cmple_epu32_mask`, `_mm512_cmplt_epu32_mask`, `_mm512_cmpneq_epu32_mask`, `_mm512_mask_cmp_epu32_mask`, `_mm512_mask_cmpeq_epu32_mask`, `_mm512_mask_cmpge_epu32_mask`, `_mm512_mask_cmpgt_epu32_mask`, `_mm512_mask_cmple_epu32_mask`, `_mm512_mask_cmplt_epu32_mask`, `_mm512_mask_cmpneq_epu32_mask` | Compare unsigned int32 elements based on the comparison operand. | `VPCMPUD`
`_mm512_cmp_epu64_mask`, `_mm512_mask_cmp_epu64_mask` `_mm512_cmpeq_epu64_mask`, `_mm512_cmpge_epu64_mask`, `_mm512_cmpgt_epu64_mask`, `_mm512_cmple_epu64_mask`, `_mm512_cmplt_epu64_mask`, `_mm512_cmpneq_epu64_mask`, `_mm512_mask_cmp_epu64_mask`, `_mm512_mask_cmpeq_epu64_mask`, `_mm512_mask_cmpge_epu64_mask`, `_mm512_mask_cmpgt_epu64_mask`, `_mm512_mask_cmple_epu64_mask`, `_mm512_mask_cmplt_epu64_mask`, `_mm512_mask_cmpneq_epu64_mask` | Compare unsigned int64 elements based on the comparison operand. | `VPCMPUQ`

variable | definition
--- | ---
k | writemask used as a selector
a | first source vector element
b | second source vector element
src | source element to use based on writemask result
imm | comparison operand
src | source element

_mm_comi_round_sd

    extern int __cdecl _mm_comi_round_sd(__m128d a, __m128d b, const int imm, const int sae);

Compare the lower double-precision (64-bit) floating-point element in a and b based on the comparison operand specified by imm, and return the boolean result (0 or 1).

### Note

Pass `__MM_FROUND_NO_EXC` to sae to suppress all exceptions.

_mm_comi_round_ss

    extern int __cdecl _mm_comi_round_ss(__m128 a, __m128 b, const int imm, const int sae);

Compare the lower single-precision (32-bit) floating-point element in a and b based on the comparison operand specified by imm, and return the boolean result (0 or 1).

### Note

Pass `__MM_FROUND_NO_EXC` to sae to suppress all exceptions.

_mm512_cmp_epi32_mask

    extern __mmask16 __cdecl _mm512_cmp_epi32_mask(__m512i a, __m512i b, const int imm);

Compare packed int32 elements in a and b based on the comparison operand specified by imm, and store the results in mask vector k.

_mm512_mask_cmp_epi32_mask

    extern __mmask16 __cdecl _mm512_mask_cmp_epi32_mask(__mmask16 k, __m512i a, __m512i b, const int imm);

Compare packed int32 elements in a and b based on the comparison operand specified by imm, and store the results in mask vector k using zeromask k (elements are zeroed out when the corresponding mask bit is not set).

_mm512_cmpeq_epi32_mask

    extern __mmask16 __cdecl _mm512_cmpeq_epi32_mask(__m512i a, __m512i b);

Compare packed int32 elements in a and b for equality, and store the results in mask vector k.

_mm512_mask_cmpeq_epi32_mask

      extern __mmask16 __cdecl  _mm512_mask_cmpeq_epi32_mask(__mmask16 k, __m512i a, __m512i b);

Compare packed int32 elements in a and b for equality, and store the results in mask vector k using zeromask k (elements are zeroed out when the corresponding mask bit is not set).

_mm512_cmpge_epi32_mask

    extern __mmask16 __cdecl  _mm512_cmpge_epi32_mask(__m512i a, __m512i b);

Compare packed int32 elements in a and b for greater-than-or-equal, and store the results in mask vector k.

_mm512_mask_cmpge_epi32_mask

    extern __mmask16 __cdecl  _mm512_mask_cmpge_epi32_mask(__mmask16 k, __m512i a, __m512i b);

Compare packed int32 elements in a and b for greater-than-or-equal, and store the results in mask vector k using zeromask k (elements are zeroed out when the corresponding mask bit is not set).

_mm512_cmpgt_epi32_mask

    extern __mmask16 __cdecl  _mm512_cmpgt_epi32_mask(__m512i a, __m512i b);

Compare packed int32 elements in a and b for greater-than, and store the results in mask vector k.

_mm512_mask_cmpgt_epi32_mask

    extern __mmask16 __cdecl  _mm512_mask_cmpgt_epi32_mask(__mmask16 k, __m512i a, __m512i b);

Compare packed int32 elements in a and b for greater-than, and store the results in mask vector k using zeromask k (elements are zeroed out when the corresponding mask bit is not set).

_mm512_cmple_epi32_mask

    extern __mmask16 __cdecl  _mm512_cmple_epi32_mask(__m512i a, __m512i b);

Compare packed int32 elements in a and b for less-than-or-equal, and store the results in mask vector k.

_mm512_mask_cmple_epi32_mask

    extern __mmask16 __cdecl  _mm512_mask_cmple_epi32_mask(__mmask16 k, __m512i a, __m512i b);

Compare packed int32 elements in a and b for less-than, and store the results in mask vector k using zeromask k (elements are zeroed out when the corresponding mask bit is not set).

_mm512_cmplt_epi32_mask

    extern __mmask16 __cdecl  _mm512_cmplt_epi32_mask(__m512i a, __m512i b);

Compare packed int32 elements in a and b for less-than, and store the results in mask vector k.

_mm512_mask_cmplt_epi32_mask

    extern __mmask16 __cdecl  _mm512_mask_cmplt_epi32_mask(__mmask16 k, __m512i a, __m512i b);

Compare packed int32 elements in a and b for less-than-or-equal, and store the results in mask vector k using zeromask k (elements are zeroed out when the corresponding mask bit is not set).

_mm512_cmpneq_epi32_mask

    extern __mmask16 __cdecl  _mm512_cmpneq_epi32_mask(__m512i a, __m512i b);

Compare packed int32 elements in a and b for not-equal, and store the results in mask vector k.

_mm512_mask_cmpneq_epi32_mask

    extern __mmask16 __cdecl  _mm512_mask_cmpneq_epi32_mask(__mmask16 k, __m512i a, __m512i b);

Compare packed int32 elements in a and b for not-equal, and store the results in mask vector k using zeromask k (elements are zeroed out when the corresponding mask bit is not set).

_mm512_cmp_epi64_mask

    extern __mmask8 __cdecl _mm512_cmp_epi64_mask(__m512i a, __m512i b, const int imm);

Compare packed int64 elements in a and b based on the comparison operand specified by imm, and store the results in mask vector k.

_mm512_mask_cmp_epi64_mask

    extern __mmask8 __cdecl _mm512_mask_cmp_epi64_mask(__mmask8 k, __m512i a, __m512i b, const int imm);

Compare packed int64 elements in a and b based on the comparison operand specified by imm, and store the results in mask vector k using zeromask k (elements are zeroed out when the corresponding mask bit is not set).

_mm512_cmpeq_epi64_mask

    extern __mmask8 __cdecl _mm512_cmpeq_epi64_mask(__m512i a, __m512i b);

Compare packed int64 elements in a and b for equality, and store the results in mask vector k.

_mm512_mask_cmpeq_epi64_mask

    extern __mmask8 __cdecl _mm512_mask_cmpeq_epi64_mask(__mmask8 k, __m512i a, __m512i b);

Compare packed int64 elements in a and b for equality, and store the results in mask vector k using zeromask k (elements are zeroed out when the corresponding mask bit is not set).

_mm512_cmpge_epi64_mask

    extern __mmask8 __cdecl _mm512_cmpge_epi64_mask(__m512i a, __m512i b);

Compare packed int64 elements in a and b for greater-than-or-equal, and store the results in mask vector k.

_mm512_mask_cmpge_epi64_mask

    extern __mmask8 __cdecl _mm512_mask_cmpge_epi64_mask(__mmask8 k, __m512i a, __m512i b);

Compare packed int64 elements in a and b for greater-than-or-equal, and store the results in mask vector k using zeromask k (elements are zeroed out when the corresponding mask bit is not set).

_mm512_cmpgt_epi64_mask

    extern __mmask8 __cdecl _mm512_cmpgt_epi64_mask(__m512i a, __m512i b);

Compare packed int64 elements in a and b for greater-than, and store the results in mask vector k.

_mm512_mask_cmpgt_epi64_mask

    extern __mmask8 __cdecl _mm512_mask_cmpgt_epi64_mask(__mmask8 k, __m512i a, __m512i b);

Compare packed int64 elements in a and b for greater-than, and store the results in mask vector k using zeromask k (elements are zeroed out when the corresponding mask bit is not set).

_mm512_cmple_epi64_mask

    extern __mmask8 __cdecl _mm512_cmple_epi64_mask(__m512i a, __m512i b);

Compare packed int64 elements in a and b for less-than-or-equal, and store the results in mask vector k.

_mm512_mask_cmple_epi64_mask

    extern __mmask8 __cdecl _mm512_mask_cmple_epi64_mask(__mmask8 k, __m512i a, __m512i b);

Compare packed int64 elements in a and b for less-than-or-equal, and store the results in mask vector k using zeromask k (elements are zeroed out when the corresponding mask bit is not set).

_mm512_cmplt_epi64_mask

    extern __mmask8 __cdecl _mm512_cmplt_epi64_mask(__m512i a, __m512i b);

Compare packed int64 elements in a and b for less-than, and store the results in mask vector k.

_mm512_mask_cmplt_epi64_mask

    extern __mmask8 __cdecl _mm512_mask_cmplt_epi64_mask(__mmask8 k, __m512i a, __m512i b);

Compare packed int64 elements in a and b for less-than, and store the results in mask vector k using zeromask k (elements are zeroed out when the corresponding mask bit is not set).

_mm512_cmpneq_epi64_mask

    extern __mmask8 __cdecl _mm512_cmpneq_epi64_mask(__m512i a, __m512i b);

Compare packed int64 elements in a and b for not-equal, and store the results in mask vector k.

_mm512_mask_cmpneq_epi64_mask

    extern __mmask8 __cdecl _mm512_mask_cmpneq_epi64_mask(__mmask8 k, __m512i a, __m512i b);

Compare packed int64 elements in a and b for not-equal, and store the results in mask vector k using zeromask k (elements are zeroed out when the corresponding mask bit is not set).

_mm512_cmp_epu32_mask

    extern __mmask16 __cdecl _mm512_cmp_epu32_mask(__m512i a, __m512i b, const int imm);

Compare packed unsigned int32 elements in a and b based on the comparison operand specified by imm, and store the results in mask vector k.

_mm512_mask_cmp_epu32_mask

    extern __mmask16 __cdecl _mm512_mask_cmp_epu32_mask(__mmask16 k, __m512i a, __m512i b, const int imm);

Compare packed unsigned int32 elements in a and b based on the comparison operand specified by imm, and store the results in mask vector k using zeromask k (elements are zeroed out when the corresponding mask bit is not set).

_mm512_cmpeq_epu32_mask

    extern __mmask16 __cdecl  _mm512_cmpeq_epu32_mask(__m512i a, __m512i b);

Compare packed unsigned int32 elements in a and b for equality, and store the results in mask vector k.

_mm512_mask_cmpeq_epu32_mask

    extern __mmask16 __cdecl  _mm512_mask_cmpeq_epu32_mask(__mmask16 k, __m512i a, __m512i b);

Compare packed unsigned int32 elements in a and b for equality, and store the results in mask vector k using zeromask k (elements are zeroed out when the corresponding mask bit is not set).

_mm512_cmpge_epu32_mask

    extern __mmask16 __cdecl  _mm512_cmpge_epu32_mask(__m512i a, __m512i b);

Compare packed unsigned int32 elements in a and b for greater-than-or-equal, and store the results in mask vector k.

_mm512_mask_cmpge_epu32_mask

    extern __mmask16 __cdecl  _mm512_mask_cmpge_epu32_mask(__mmask16 k, __m512i a, __m512i b);

Compare packed unsigned int32 elements in a and b for greater-than-or-equal, and store the results in mask vector k using zeromask k (elements are zeroed out when the corresponding mask bit is not set).

_mm512_cmpgt_epu32_mask

    extern __mmask16 __cdecl  _mm512_cmpgt_epu32_mask(__m512i a, __m512i b);

Compare packed unsigned int32 elements in a and b for greater-than, and store the results in mask vector k.

_mm512_mask_cmpgt_epu32_mask

    extern __mmask16 __cdecl  _mm512_mask_cmpgt_epu32_mask(__mmask16 k, __m512i a, __m512i b);

Compare packed unsigned int32 elements in a and b for greater-than, and store the results in mask vector k using zeromask k (elements are zeroed out when the corresponding mask bit is not set).

_mm512_cmple_epu32_mask

    extern __mmask16 __cdecl  _mm512_cmple_epu32_mask(__m512i a, __m512i b);

Compare packed unsigned int32 elements in a and b for less-than-or-equal, and store the results in mask vector k.

_mm512_mask_cmple_epu32_mask

    extern __mmask16 __cdecl  _mm512_mask_cmple_epu32_mask(__mmask16 k, __m512i a, __m512i b);

Compare packed unsigned int32 elements in a and b for less-than, and store the results in mask vector k using zeromask k (elements are zeroed out when the corresponding mask bit is not set).

_mm512_cmplt_epu32_mask

    extern __mmask16 __cdecl  _mm512_cmplt_epu32_mask(__m512i a, __m512i b);

Compare packed unsigned int32 elements in a and b for less-than, and store the results in mask vector k.

_mm512_mask_cmplt_epu32_mask

    extern __mmask16 __cdecl  _mm512_mask_cmplt_epu32_mask(__mmask16 k, __m512i a, __m512i b);

Compare packed unsigned int32 elements in a and b for less-than-or-equal, and store the results in mask vector k using zeromask k (elements are zeroed out when the corresponding mask bit is not set).

_mm512_cmpneq_epu32_mask

    extern __mmask16 __cdecl  _mm512_cmpneq_epu32_mask(__m512i a, __m512i b);

Compare packed unsigned int32 elements in a and b for not-equal, and store the results in mask vector k.

_mm512_mask_cmpneq_epu32_mask

    extern __mmask16 __cdecl  _mm512_mask_cmpneq_epu32_mask(__mmask16 k, __m512i a, __m512i b);

Compare packed unsigned int32 elements in a and b for not-equal, and store the results in mask vector k using zeromask k (elements are zeroed out when the corresponding mask bit is not set).

_mm512_cmp_epu64_mask

    extern __mmask8 __cdecl _mm512_cmp_epu64_mask(__m512i a, __m512i b, const _MM_CMPINT_ENUM imm);

Compare packed unsigned int64 elements in a and b based on the comparison operand specified by imm, and store the results in mask vector k.

_mm512_mask_cmp_epu64_mask

    extern __mmask8 __cdecl _mm512_mask_cmp_epu64_mask(__mmask8 k, __m512i a, __m512i b, const _MM_CMPINT_ENUM imm);

Compare packed unsigned int64 elements in a and b based on the comparison operand specified by imm, and store the results in mask vector k using zeromask k (elements are zeroed out when the corresponding mask bit is not set).

_mm512_cmpge_epu64_mask

    extern __mmask8 __cdecl _mm512_cmpge_epu64_mask(__m512i a, __m512i b);

Compare packed unsigned int64 elements in a and b for greater-than-or-equal, and store the results in mask vector k.

_mm512_mask_cmpge_epu64_mask

    extern __mmask8 __cdecl _mm512_mask_cmpge_epu64_mask(__mmask8 k, __m512i a, __m512i b);

Compare packed unsigned int64 elements in a and b for greater-than-or-equal, and store the results in mask vector k using zeromask k (elements are zeroed out when the corresponding mask bit is not set).

_mm512_cmpgt_epu64_mask

    extern __mmask8 __cdecl _mm512_cmpgt_epu64_mask(__m512i a, __m512i b);

Compare packed unsigned int64 elements in a and b for greater-than, and store the results in mask vector k.

_mm512_mask_cmpgt_epu64_mask

    extern __mmask8 __cdecl _mm512_mask_cmpgt_epu64_mask(__mmask8 k, __m512i a, __m512i b);

Compare packed unsigned int64 elements in a and b for greater-than, and store the results in mask vector k using zeromask k (elements are zeroed out when the corresponding mask bit is not set).

_mm512_cmple_epu64_mask

    extern __mmask8 __cdecl _mm512_cmple_epu64_mask(__m512i a, __m512i b);

Compare packed unsigned int64 elements in a and b for less-than-or-equal, and store the results in mask vector k.

_mm512_mask_cmple_epu64_mask

    extern __mmask8 __cdecl _mm512_mask_cmple_epu64_mask(__mmask8 k, __m512i a, __m512i b);

Compare packed unsigned int64 elements in a and b for less-than-or-equal, and store the results in mask vector k using zeromask k (elements are zeroed out when the corresponding mask bit is not set).

_mm512_cmplt_epu64_mask

    extern __mmask8 __cdecl _mm512_cmplt_epu64_mask(__m512i a, __m512i b);

Compare packed unsigned int64 elements in a and b for less-than, and store the results in mask vector k.

_mm512_mask_cmplt_epu64_mask

    extern __mmask8 __cdecl _mm512_mask_cmplt_epu64_mask(__mmask8 k, __m512i a, __m512i b);

Compare packed unsigned int64 elements in a and b for less-than, and store the results in mask vector k using zeromask k (elements are zeroed out when the corresponding mask bit is not set).

_mm512_cmpeq_epu64_mask

    extern __mmask8 __cdecl _mm512_cmpeq_epu64_mask(__m512i a, __m512i b);

Compare packed unsigned int64 elements in a and b for equality, and store the results in mask vector k.

_mm512_mask_cmpeq_epu64_mask

    extern __mmask8 __cdecl _mm512_mask_cmpeq_epu64_mask(__mmask8 k, __m512i a, __m512i b);

Compare packed unsigned int64 elements in a and b for equality, and store the results in mask vector k using zeromask k (elements are zeroed out when the corresponding mask bit is not set).

_mm512_cmpneq_epu64_mask

    extern __mmask8 __cdecl _mm512_cmpneq_epu64_mask(__m512i a, __m512i b);

Compare packed unsigned int64 elements in a and b for not-equal, and store the results in mask vector k.

_mm512_mask_cmpneq_epu64_mask

    extern __mmask8 __cdecl _mm512_mask_cmpneq_epu64_mask(__mmask8 k, __m512i a, __m512i b);

Compare packed unsigned int64 elements in a and b for not-equal, and store the results in mask vector k using zeromask k (elements are zeroed out when the corresponding mask bit is not set).

Parent topic: Intrinsics for Comparison Operations