Intrinsics for FP Conversion Operations

Intel® C++ Compiler Classic Developer Guide and Reference

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ID 767249

Date 7/13/2023

Version

Public

Visible to Intel only — GUID: GUID-CE4D8580-2831-4147-92BC-4A54BA9271C4

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Intrinsics for FP Conversion 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_cvtps_pd_mm512_mask_cvtps_pd_mm512_maskz_cvtps_pd` `_mm512_cvt_roundps_pd`, `_mm512_mask_cvt_roundps_pd`, `_mm512_maskz_cvt_roundps_pd`	Converts rounded float32 to float 64.	`VCVTPS2PD`
`_mm512_cvt_roundps_epi32`, `_mm512_mask_cvt_roundps_epi32`, `_mm512_maskz_cvt_roundps_epi32` `_mm512_cvtt_roundps_epi32`, `_mm512_mask_cvtt_roundps_epi32`, `_mm512_maskz_cvtt_roundps_epi32`	Converts rounded float32 to int32.	`VCVTPS2DQ`/`VCVTTPS2DQ`
`_mm512_cvt_roundps_epu32`, `_mm512_mask_cvt_roundps_epu32`, `_mm512_maskz_cvt_roundps_epu32` `_mm512_cvtt_roundps_epu32`, `_mm512_mask_cvtt_roundps_epu32`, `_mm512_maskz_cvtt_roundps_epu32`	Converts rounded float32 to unsigned int32.	`VCVTPS2UDQ`/`VCVTTPS2UDQ`
`_mm_cvt_roundsd_i32`, `_mm_cvt_roundsd_i64` `_mm_cvtt_roundsd_i32`, `_mm_cvtt_roundsd_i64`	Converts rounded scalar float64 to int32/int64.	`VCVTSD2SI`/`VCVTTSD2SI`
`_mm_cvt_roundsd_u32`, `_mm_cvt_roundsd_u64` `_mm_cvtt_roundsd_u32`, `_mm_cvtt_roundsd_u64`	Converts rounded scalar float64 to unsigned int32/int64.	`VCVTSD2USI`/`VCVTTSD2USI`
`_mm_cvt_roundss_i32`, `_mm_cvt_roundss_i64` `_mm_cvtt_roundss_i32`, `_mm_cvtt_roundss_i64`	Converts rounded scalar float32 to int32/int64.	`VCVTSS2SI`/`VCVTTSS2SI`
`_mm_cvt_roundss_u32`, `_mm_cvt_roundss_u64` `_mm_cvtt_roundss_u32`, `_mm_cvtt_roundss_u64`	Converts rounded scalar float32 to unsigned int32/int64.	`VCVTSS2USI`/`VCVTTSS2USI`
`_mm512_cvtpd_ps_mm512_mask_cvtpd_ps_mm512_maskz_cvtpd_ps` `_mm512_cvt_roundpd_ps`, `_mm512_mask_cvt_roundpd_ps`, `_mm512_maskz_cvt_roundpd_ps`	Converts rounded float64 to float32.	`VCVTPD2PS`
`_mm512_cvt_roundpd_epi32`, `_mm512_mask_cvt_roundpd_epi32`, `_mm512_maskz_cvt_roundpd_epi32` `_mm512_cvtt_roundpd_epi32`, `_mm512_mask_cvtt_roundpd_epi32`, `_mm512_maskz_cvtt_roundpd_epi32`	Converts rounded float64 to int32.	`VCVTPD2DQ`/`VCVTTPD2DQ`
`_mm512_cvt_roundpd_epu32`, `_mm512_mask_cvt_roundpd_epu32`, `_mm512_maskz_cvt_roundpd_epu32` `_mm512_cvtt_roundpd_epu32`, `_mm512_mask_cvtt_roundpd_epu32`, `_mm512_maskz_cvtt_roundpd_epu32`	Converts rounded float64 to unsigned int32.	`VCVTPD2UDQ`/`VCVTTPD2UDQ`
`_mm512_cvtph_ps_mm512_mask_cvtph_ps_mm512_maskz_cvtph_ps` `_mm512_cvt_roundph_ps`, `_mm512_mask_cvt_roundph_ps`, `_mm512_maskz_cvt_roundph_ps`	Converts rounded float64 to float32.	`VCVTPH2PS`
`_mm512_cvt_roundps_ph`, `_mm512_mask_cvt_roundps_ph`, `_mm512_maskz_cvt_roundps_ph`	Converts rounded float32 to scalar float32.	`VCVTPS2PH`
`_mm_mask_cvtss_sd_mm_maskz_cvtss_sd` `_mm_cvt_roundss_sd`, `_mm_mask_cvt_roundss_sd`, `_mm_maskz_cvt_roundss_sd`	Converts rounded scalar float32 to scalar float64.	`VCVTSS2SD`
`_mm_cvt_roundsd_ss`, `_mm_mask_cvt_roundsd_ss`, `_mm_maskz_cvt_roundsd_ss`	Converts rounded scalar float64 to scalar float32.	`VCVTSD2SS`
`_mm512_cvtepu32_ps_mm512_mask_cvtepu32_ps_mm512_maskz_cvtepu32_ps` `_mm512_cvt_roundepu32_ps_mm512_mask_cvt_roundepu32_ps_mm512_maskz_cvt_roundepu32_ps`	Converts packed unsigned int32 to float32.	`VCVTUDQ2PS`
`_mm512_cvtss_f32`	Extracts a float32 value from the first vector element of an `__m512`. It does so in the most efficient manner possible in the context used.	`MOVSS`/`VMOVSS`
`_mm512_cvtsd_f64`	Extracts a float64 value from first vector element of an `__m512d`. It does so in the most efficient manner possible in the context used.	`MOVSD`/`VMOVSD`

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
`round`	Rounding control values; these can be one of the following (along with the `sae` suppress all exceptions flag): `_MM_FROUND_TO_NEAREST_INT` - rounds to nearest even `_MM_FROUND_TO_NEG_INF` - rounds to negative infinity `_MM_FROUND_TO_POS_INF` - rounds to positive infinity `_MM_FROUND_TO_ZERO` - rounds to zero `_MM_FROUND_CUR_DIRECTION` - rounds using default from MXCSR register

_mm512_cvt_roundpd_ps

extern __m256 __cdecl _mm512_cvt_roundpd_ps(__m512d a, int round);

Converts float64 elements in a to float32 elements, and stores the result.

_mm512_mask_cvt_roundpd_ps

extern __m256 __cdecl _mm512_mask_cvt_roundpd_ps(__m256 src, __mmask8 k, __m512d a, int round);

Converts float64 elements in a to float32 elements, and stores the result using writemask k (elements are copied from src when the corresponding mask bit is not set).

_mm512_maskz_cvt_roundpd_ps

extern __m256 __cdecl _mm512_maskz_cvt_roundpd_ps(__mmask8 k, __m512d a, int round);

Converts float64 elements in a to float32 elements, and stores the result using zeromask k (elements are zeroed out when the corresponding mask bit is not set).

_mm512_cvtpd_ps

extern __m256 __cdecl _mm512_cvt_pd_ps(__m512d a);

Converts float64 elements in a to float32 elements, and stores the result.

_mm512_mask_cvtpd_ps

extern __m256 __cdecl _mm512_mask_cvt_pd_ps(__m256 src, __mmask8 k, __m512d a);

Converts float64 elements in a to float32 elements, and stores the result using writemask k (elements are copied from src when the corresponding mask bit is not set).

_mm512_maskz_cvtpd_ps

extern __m256 __cdecl _mm512_maskz_cvt_pd_ps(__mmask8 k, __m512d a);

Converts float64 elements in a to float32 elements, and stores the result using zeromask k (elements are zeroed out when the corresponding mask bit is not set).

_mm512_cvt_roundpd_epi32

extern __m512i __cdecl _mm512_cvt_roundpd_epi32(__m512d a, int round);

Converts float64 elements in a to int32 elements, and stores the results.

NOTE:

Pass __MM_FROUND_NO_EXC to sae to suppress all exceptions.

_mm512_mask_cvt_roundpd_epi32

extern __m512i __cdecl _mm512_mask_cvt_roundpd_epi32(__m256i src, __mmask8 k, __m512d a, int round);

Converts float64 elements in a to int32 elements, and stores the result using writemask k (elements are copied from src when the corresponding mask bit is not set).

NOTE:

Pass __MM_FROUND_NO_EXC to sae to suppress all exceptions.

_mm512_maskz_cvt_roundpd_epi32

extern __m512i __cdecl _mm512_maskz_cvt_roundpd_epi32(__mmask8 k, __m512d a, int round);

Converts float64 elements in a to int32 elements, and stores the result using zeromask k (elements are zeroed out when the corresponding mask bit is not set).

NOTE:

Pass __MM_FROUND_NO_EXC to sae to suppress all exceptions.

_mm512_cvtpd_epi32

extern __m512i __cdecl _mm512_cvtpd_epi32(__m512d a);

Converts float64 elements in a int32 elements, and stores the result.

_mm512_mask_cvtpd_epi32

extern __m512i __cdecl _mm512_mask_cvtpd_epi32(__m256i src, __mmask8 k, __m512d a);

Converts float64 elements in a to int32 elements, and stores the result using writemask k (elements are copied from src when the corresponding mask bit is not set).

_mm512_maskz_cvtpd_epi32

extern __m512i __cdecl _mm512_maskz_cvtpd_epi32(__mmask8 k, __m512d a);

Converts float64 elements in a to int32 elements, and stores the result using zeromask k (elements are zeroed out when the corresponding mask bit is not set).

_mm512_cvtt_roundpd_epi32

extern __m512i __cdecl _mm512_cvtt_roundpd_epi32(__m512d a, int round);

Converts float32 elements in a to int32 elements, and stores the results.

NOTE:

Pass __MM_FROUND_NO_EXC to sae to suppress all exceptions.

_mm512_mask_cvtt_roundpd_epi32

extern __m512i __cdecl _mm512_mask_cvtt_roundpd_epi32(__m256i src, __mmask8 k, __m512d a, int round);

Converts float32 elements in a to int32 elements, and stores the result using writemask k (elements are copied from src when the corresponding mask bit is not set).

NOTE:

Pass __MM_FROUND_NO_EXC to sae to suppress all exceptions.

_mm512_maskz_cvtt_roundpd_epi32

extern __m512i __cdecl _mm512_maskz_cvtt_roundpd_epi32(__mmask8 k, __m512d a, int round);

Converts float32 elements in a to int32 elements, and stores the result using zeromask k (elements are zeroed out when the corresponding mask bit is not set).

NOTE:

Pass __MM_FROUND_NO_EXC to sae to suppress all exceptions.

_mm512_cvttpd_epi32

extern __m512i __cdecl _mm512_cvttpd_epi32(__m512d a);

Converts float64 elements in a int32 elements, and stores the result.

_mm512_mask_cvttpd_epi32

extern __m512i __cdecl _mm512_mask_cvttpd_epi32(__m256i src, __mmask8 k, __m512d a);

Converts float64 elements in a to int32 elements, and stores the result using writemask k (elements are copied from src when the corresponding mask bit is not set).

_mm512_maskz_cvttpd_epi32

extern __m512i __cdecl _mm512_maskz_cvttpd_epi32(__mmask8 k, __m512d a);

Converts float64 elements in a to int32 elements, and stores the result using zeromask k (elements are zeroed out when the corresponding mask bit is not set).

_mm512_cvt_roundpd_epu32

extern __m512i __cdecl _mm512_cvt_roundpd_epu32(__m512 a, int round);

Converts float64 elements in a to int32 elements, and stores the results.

NOTE:

Pass __MM_FROUND_NO_EXC to sae to suppress all exceptions.

_mm512_mask_cvt_roundpd_epu32

extern __m512i __cdecl _mm512_mask_cvt_roundpd_epu32(__m256i src, __mmask16 k, __m512 a, int round);

Converts float64 elements in a to int32 elements, and stores the result using writemask k (elements are copied from src when the corresponding mask bit is not set).

NOTE:

Pass __MM_FROUND_NO_EXC to sae to suppress all exceptions.

_mm512_maskz_cvt_roundpd_epu32

extern __m512i __cdecl _mm512_maskz_cvt_roundpd_epu32(__mmask16 k, __m512 a, int round);

Converts float64 elements in a to int32 elements, and stores the result using zeromask k (elements are zeroed out when the corresponding mask bit is not set).

NOTE:

Pass __MM_FROUND_NO_EXC to sae to suppress all exceptions.

_mm512_cvtpd_epu32

extern __m512i __cdecl _mm512_cvtpd_epu32(__m512 a);

Converts float64 elements in a int32 elements, and stores the result.

_mm512_mask_cvtpd_epu32

extern __m512i __cdecl _mm512_mask_cvtpd_epu32(__m256i src, __mmask16 k, __m512 a);

Converts float64 elements in a to int32 elements, and stores the result using writemask k (elements are copied from src when the corresponding mask bit is not set).

_mm512_maskz_cvtpd_epu32

extern __m512i __cdecl _mm512_maskz_cvtpd_epu32(__mmask16 k, __m512 a);

Converts float64 elements in a to int32 elements, and stores the result using zeromask k (elements are zeroed out when the corresponding mask bit is not set).

_mm512_cvtt_roundpd_epu32

extern __m512i __cdecl _mm512_cvtt_roundpd_epu32(__m512 a, int round);

Converts float64 elements in a to int32 elements, and stores the results.

NOTE:

Pass __MM_FROUND_NO_EXC to sae to suppress all exceptions.

_mm512_mask_cvtt_roundpd_epu32

extern __m512i __cdecl _mm512_mask_cvtt_roundpd_epu32(__m256i src, __mmask16 k, __m512 a, int round);

Converts float64 elements in a to int32 elements, and stores the result using writemask k (elements are copied from src when the corresponding mask bit is not set).

NOTE:

Pass __MM_FROUND_NO_EXC to sae to suppress all exceptions.

_mm512_maskz_cvtt_roundpd_epu32

extern __m512i __cdecl _mm512_maskz_cvtt_roundpd_epu32(__mmask16 k, __m512 a, int round);

Converts float64 elements in a to int32 elements, and stores the result using zeromask k (elements are zeroed out when the corresponding mask bit is not set).

NOTE:

Pass __MM_FROUND_NO_EXC to sae to suppress all exceptions.

_mm512_cvttpd_epu32

extern __m512i __cdecl _mm512_cvttpd_epu32(__m512 a);

Converts float64 elements in a int32 elements, and stores the result.

_mm512_mask_cvttpd_epu32

extern __m512i __cdecl _mm512_mask_cvttpd_epu32(__m256i src, __mmask16 k, __m512 a);

Converts float64 elements in a to int32 elements, and stores the result using writemask k (elements are copied from src when the corresponding mask bit is not set).

_mm512_maskz_cvttpd_epu32

extern __m512i __cdecl _mm512_maskz_cvttpd_epu32(__mmask16 k, __m512 a);

Converts float64 elements in a to int32 elements, and stores the result using zeromask k (elements are zeroed out when the corresponding mask bit is not set).

_mm512_cvtph_ps

extern __m512 __cdecl _mm512_cvtph_ps(__m256i a);

Converts packed half-precision (16-bit) floating-point elements in a to float32 elements, and stores the results.

_mm512_mask_cvtph_ps

extern __m512 __cdecl _mm512_mask_cvtph_ps(__m512 src, __mmask16 k, __m256i a);

Converts packed half-precision (16-bit) floating-point elements in a to float32 elements, and stores the result using writemask k (elements are copied from src when the corresponding mask bit is not set).

_mm512_maskz_cvtph_ps

extern __m512 __cdecl _mm512_maskz_cvtph_ps(__mmask16 k, __m256i a);

Converts packed half-precision (16-bit) floating-point elements in a to float32 elements, and stores the result using zeromask k (elements are zeroed out when the corresponding mask bit is not set).

_mm512_cvt_roundph_ps

extern __m512 __cdecl _mm512_cvt_roundph_ps(__m256i a, int round);

Converts packed half-precision (16-bit) floating-point elements in a to float32 elements, and stores the result.

NOTE:

Pass __MM_FROUND_NO_EXC to sae to suppress all exceptions.

_mm512_mask_cvt_roundph_ps

extern __m512 __cdecl _mm512_mask_cvt_roundph_ps(__m512 src, __mmask16 k, __m256i a, int round);

NOTE:

Pass __MM_FROUND_NO_EXC to sae to suppress all exceptions.

_mm512_maskz_cvt_roundph_ps

extern __m512 __cdecl _mm512_maskz_cvt_roundph_ps(__mmask16 k, __m256i a, int round);

NOTE:

Pass __MM_FROUND_NO_EXC to sae to suppress all exceptions.

_mm512_cvt_roundps_ph

extern __m256i __cdecl _mm512_cvt_roundps_ph(__m512 a, int round);

Converts float32 elements in a to packed half-precision (16-bit) floating-point elements, and stores the results.

NOTE:

Pass __MM_FROUND_NO_EXC to sae to suppress all exceptions.

_mm512_mask_cvt_roundps_ph

extern __m256i __cdecl _mm512_mask_cvt_roundps_ph(__m256i src, __mmask16 k, __m512 a, int round);

Converts float32 elements in a to packed half-precision (16-bit) floating-point elements, and stores the result using writemask k (elements are copied from src when the corresponding mask bit is not set).

NOTE:

Pass __MM_FROUND_NO_EXC to sae to suppress all exceptions.

_mm512_maskz_cvt_roundps_ph

extern __m256i __cdecl _mm512_maskz_cvt_roundps_ph(__mmask16 k, __m512 a, int round);

Converts float32 elements in a to packed half-precision (16-bit) floating-point elements, and stores the result using zeromask k (elements are zeroed out when the corresponding mask bit is not set).

NOTE:

Pass __MM_FROUND_NO_EXC to sae to suppress all exceptions.

_mm512_cvtph_ps

extern __m256i __cdecl _mm512_cvtps_ph(__m512 a);

Converts packed half-precision (16-bit) floating-point elements in a to float32 elements, and stores the results.

_mm512_mask_cvtph_ps

extern __m256i __cdecl _mm512_mask_cvtps_ph(__m256i src, __mmask16 k, __m512 a);

_mm512_maskz_cvtph_ps

extern __m256i __cdecl _mm512_maskz_cvtps_ph(__mmask16 k, __m512 a);

_mm512_cvt_roundps_pd

extern __m512d __cdecl _mm512_cvt_roundps_pd(__m256 a, int round);

Converts float32 elements in a to float64 elements, and stores the results.

NOTE:

Pass __MM_FROUND_NO_EXC to sae to suppress all exceptions.

_mm512_mask_cvt_roundps_pd

extern __m512d __cdecl _mm512_mask_cvt_roundps_pd(__m512d src, __mmask8 k, __m256 a, int round);

Converts float32 elements in a to float64 elements, and stores the result using writemask k (elements are copied from src when the corresponding mask bit is not set).

NOTE:

Pass __MM_FROUND_NO_EXC to sae to suppress all exceptions.

_mm512_maskz_cvt_roundps_pd

extern __m512d __cdecl _mm512_maskz_cvt_roundps_pd(__mmask8 k, __m256 a, int round);

Converts float32 elements in a to float64 elements, and stores the result using zeromask k (elements are zeroed out when the corresponding mask bit is not set).

NOTE:

Pass __MM_FROUND_NO_EXC to sae to suppress all exceptions.

_mm512_cvtps_pd

extern __m512d __cdecl _mm512_cvt_ps_pd(__m256 a);

Converts float32 elements in a to float64 elements, and stores the result.

_mm512_mask_cvtps_pd

extern __m512d __cdecl _mm512_mask_cvt_ps_pd(__m512d src, __mmask8 k, __m256 a);

Converts float32 elements in a to float64 elements, and stores the result using writemask k (elements are copied from src when the corresponding mask bit is not set).

_mm512_maskz_cvtps_pd

extern __m512d __cdecl _mm512_maskz_cvt_ps_pd(__mmask8 k, __m256 a);

Converts float32 elements in a to float64 elements, and stores the result using zeromask k (elements are zeroed out when the corresponding mask bit is not set).

_mm512_cvt_roundps_epi32

extern __m512i __cdecl _mm512_cvt_roundps_epi32(__m512 a, int round);

Converts float32 elements in a to int32 elements, and stores the results.

NOTE:

Pass __MM_FROUND_NO_EXC to sae to suppress all exceptions.

_mm512_mask_cvt_roundps_epi32

extern __m512i __cdecl _mm512_mask_cvt_roundps_epi32(__m512i src, __mmask16 k, __m512 a, int round);

Converts float32 elements in a to int32 elements, and stores the result using writemask k (elements are copied from src when the corresponding mask bit is not set).

NOTE:

Pass __MM_FROUND_NO_EXC to sae to suppress all exceptions.

_mm512_maskz_cvt_roundps_epi32

extern __m512i __cdecl _mm512_maskz_cvt_roundps_epi32(__mmask16 k, __m512 a, int round);

Converts float32 elements in a to int32 elements, and stores the result using zeromask k (elements are zeroed out when the corresponding mask bit is not set).

NOTE:

Pass __MM_FROUND_NO_EXC to sae to suppress all exceptions.

_mm512_cvtps_epi32

extern __m512i __cdecl _mm512_cvtps_epi32(__m512 a);

Converts float32 elements in a int32 elements, and stores the result.

_mm512_mask_cvtps_epi32

extern __m512i __cdecl _mm512_mask_cvtps_epi32(__m512i src, __mmask16 k, __m512 a);

Converts float32 elements in a to int32 elements, and stores the result using writemask k (elements are copied from src when the corresponding mask bit is not set).

_mm512_maskz_cvtps_epi32

extern __m512i __cdecl _mm512_maskz_cvtps_epi32(__mmask16 k, __m512 a);

Converts float32 elements in a to int32 elements, and stores the result using zeromask k (elements are zeroed out when the corresponding mask bit is not set).

_mm512_cvtt_roundps_epi32

extern __m512i __cdecl _mm512_cvtt_roundps_epi32(__m512 a, int round);

Converts float32 elements in a to int32 elements, and stores the results.

NOTE:

Pass __MM_FROUND_NO_EXC to sae to suppress all exceptions.

_mm512_mask_cvtt_roundps_epi32

extern __m512i __cdecl _mm512_mask_cvtt_roundps_epi32(__m512i src, __mmask16 k, __m512 a, int round);

Converts float32 elements in a to int32 elements, and stores the result using writemask k (elements are copied from src when the corresponding mask bit is not set).

NOTE:

Pass __MM_FROUND_NO_EXC to sae to suppress all exceptions.

_mm512_maskz_cvtt_roundps_epi32

extern __m512i __cdecl _mm512_maskz_cvtt_roundps_epi32(__mmask16 k, __m512 a, int round);

Converts float32 elements in a to int32 elements, and stores the result using zeromask k (elements are zeroed out when the corresponding mask bit is not set).

NOTE:

Pass __MM_FROUND_NO_EXC to sae to suppress all exceptions.

_mm512_cvttps_epi32

extern __m512i __cdecl _mm512_cvttps_epi32(__m512 a);

Converts float32 elements in a int32 elements, and stores the result.

_mm512_mask_cvttps_epi32

extern __m512i __cdecl _mm512_mask_cvttps_epi32(__m512i src, __mmask16 k, __m512 a);

Converts float32 elements in a to int32 elements, and stores the result using writemask k (elements are copied from src when the corresponding mask bit is not set).

_mm512_maskz_cvttps_epi32

extern __m512i __cdecl _mm512_maskz_cvttps_epi32(__mmask16 k, __m512 a);

Converts float32 elements in a to int32 elements, and stores the result using zeromask k (elements are zeroed out when the corresponding mask bit is not set).

_mm512_cvt_roundps_epu32

extern __m512i __cdecl _mm512_cvt_roundps_epu32(__m512 a, int round);

Converts float32 elements in a to int32 elements, and stores the results.

NOTE:

Pass __MM_FROUND_NO_EXC to sae to suppress all exceptions.

_mm512_mask_cvt_roundps_epu32

extern __m512i __cdecl _mm512_mask_cvt_roundps_epu32(__m512i src, __mmask16 k, __m512 a, int round);

Converts float32 elements in a to int32 elements, and stores the result using writemask k (elements are copied from src when the corresponding mask bit is not set).

NOTE:

Pass __MM_FROUND_NO_EXC to sae to suppress all exceptions.

_mm512_maskz_cvt_roundps_epu32

extern __m512i __cdecl _mm512_maskz_cvt_roundps_epu32(__mmask16 k, __m512 a, int round);

Converts float32 elements in a to int32 elements, and stores the result using zeromask k (elements are zeroed out when the corresponding mask bit is not set).

NOTE:

Pass __MM_FROUND_NO_EXC to sae to suppress all exceptions.

_mm512_cvtps_epu32

extern __m512i __cdecl _mm512_cvtps_epu32(__m512 a);

Converts float32 elements in a int32 elements, and stores the result.

_mm512_mask_cvtps_epu32

extern __m512i __cdecl _mm512_mask_cvtps_epu32(__m512i src, __mmask16 k, __m512 a);

Converts float32 elements in a to int32 elements, and stores the result using writemask k (elements are copied from src when the corresponding mask bit is not set).

_mm512_maskz_cvtps_epu32

extern __m512i __cdecl _mm512_maskz_cvtps_epu32(__mmask16 k, __m512 a);

Converts float32 elements in a to int32 elements, and stores the result using zeromask k (elements are zeroed out when the corresponding mask bit is not set).

_mm512_cvtt_roundps_epu32

extern __m512i __cdecl _mm512_cvtt_roundps_epu32(__m512 a, int round);

Converts float32 elements in a to int32 elements, and stores the results.

NOTE:

Pass __MM_FROUND_NO_EXC to sae to suppress all exceptions.

_mm512_mask_cvtt_roundps_epu32

extern __m512i __cdecl _mm512_mask_cvtt_roundps_epu32(__m512i src, __mmask16 k, __m512 a, int round);

Converts float32 elements in a to int32 elements, and stores the result using writemask k (elements are copied from src when the corresponding mask bit is not set).

NOTE:

Pass __MM_FROUND_NO_EXC to sae to suppress all exceptions.

_mm512_maskz_cvtt_roundps_epu32

extern __m512i __cdecl _mm512_maskz_cvtt_roundps_epu32(__mmask16 k, __m512 a, int round);

Converts float32 elements in a to int32 elements, and stores the result using zeromask k (elements are zeroed out when the corresponding mask bit is not set).

NOTE:

Pass __MM_FROUND_NO_EXC to sae to suppress all exceptions.

_mm512_cvttps_epu32

extern __m512i __cdecl _mm512_cvttps_epu32(__m512 a);

Converts float32 elements in a int32 elements, and stores the result.

_mm512_mask_cvttps_epu32

extern __m512i __cdecl _mm512_mask_cvttps_epu32(__m512i src, __mmask16 k, __m512 a);

Converts float32 elements in a to int32 elements, and stores the result using writemask k (elements are copied from src when the corresponding mask bit is not set).

_mm512_maskz_cvttps_epu32

extern __m512i __cdecl _mm512_maskz_cvttps_epu32(__mmask16 k, __m512 a);

Converts float32 elements in a to int32 elements, and stores the result using zeromask k (elements are zeroed out when the corresponding mask bit is not set).

_mm_cvt_roundss_sd

extern __m128d __cdecl _mm_cvt_roundss_sd(__m128d a, __m128 b, int round);

Converts the lower float32 element in b to a float64 element, stores the result in the lower destination element, and copies the upper element from a to the upper destination element .

_mm_mask_cvt_roundss_sd

extern __m128d __cdecl _mm_mask_cvt_roundss_sd(__m128d src, __mmask8 k, __m128d a, __m128 b, int round);

Converts the lower float32 element in b to a float64 element, stores the result in the lower destination element using writemask k (the element is copied from src when mask bit 0 is not set), and copy the upper element from a to the upper destination element.

_mm_maskz_cvt_roundss_sd

extern __m128d __cdecl _mm_maskz_cvt_roundss_sd(__mmask8 k, __m128d a, __m128 b, int round);

Converts the lower float32 element in b to a float64 element, store the result in the lower destination element using zeromask k (the element is zeroed out when mask bit 0 is not set), and copy the upper element from a to the upper destination element.

_mm_mask_cvtss_sd

extern __m128d __cdecl _mm_mask_cvt_ss_sd(__m128d src, __mmask8 k, __m128d a, __m128 b);

_mm_maskz_cvtss_sd

extern __m128d __cdecl _mm_maskz_cvt_ss_sd(__mmask8 k, __m128d a, __m128 b);

Converts the lower float32 element in b to a float64 element, stores the result in the lower destination element using zeromask k (the element is zeroed out when mask bit 0 is not set), and copy the upper element from a to the upper destination element.

_mm_cvt_roundsd_ss

extern __m128 __cdecl _mm_cvt_roundsd_ss(__m128 a, __m128d b, int round);

Converts float64 elements in b to a single-precision (64-bit) floating-point elements, stores the result in the lower destination element, and copies the upper element from a to the upper destination element .

_mm_mask_cvt_roundsd_ss

extern __m128 __cdecl _mm_mask_cvt_roundsd_ss(__m128 src, __mmask8 k, __m128 a, __m128d b, int round);

Converts float64 elements in b to a single-precision (64-bit) floating-point elements, stores the result in the lower destination element using writemask k (the element is copied from src when mask bit 0 is not set), and copy the upper element from a to the upper destination element.

_mm_maskz_cvt_roundsd_ss

extern __m128 __cdecl _mm_maskz_cvt_roundsd_ss(__mmask8 k, __m128 a, __m128d b, int round);

Converts float64 elements in b to a single-precision (64-bit) floating-point elements, the result in the lower destination element using zeromask k (the element is zeroed out when mask bit 0 is not set), and copy the upper element from a to the upper destination element.

_mm_mask_cvtsd_ss

extern __m128 __cdecl _mm_mask_cvt_sd_ss(__m128 src, __mmask8 k, __m128 a, __m128d b);

_mm_maskz_cvtsd_ss

extern __m128 __cdecl _mm_maskz_cvt_sd_ss(__mmask8 k, __m128 a, __m128d b);

Converts float64 elements in b to a single-precision (64-bit) floating-point elements, stores the result in the lower destination element using zeromask k (the element is zeroed out when mask bit 0 is not set), and copy the upper element from a to the upper destination element.

_mm_cvt_roundsd_i32 / _mm_cvt_roundsd_si32

extern int __cdecl _mm_cvt_roundsd_i32(__m128d a, int round); 
extern int __cdecl _mm_cvt_roundsd_si32(__m128d a, int round);

_mm_cvt_sd_i32 / _mm_cvt_sd_si32

extern __int64 __cdecl _mm_cvt_sd_i32(__m128d);
extern __int64 __cdecl _mm_cvt_sd_i64(__m128d);

_mm_cvt_roundsd_i64 / _mm_cvt_roundsd_si64

extern __int64 __cdecl _mm_cvt_roundsd_i64(__m128d, int round);
extern __int64 __cdecl _mm_cvt_roundsd_si64(__m128d, int round);

_mm_cvti64 / _mm_cvtsd_si64

extern __m128d __cdecl _mm_cvt_i64_sd(__m128d a, __int64);
extern __m128d __cdecl _mm_cvt_si64_sd(__m128d a, __int64);

_mm_cvt_roundsd_u32 / _mm_cvt_roundsd_u64

extern unsigned int __cdecl _mm_cvt_roundsd_u32(__m128d a, int round);
extern unsigned __int64 __cdecl _mm_cvt_roundsd_u64(__m128d a, int round);

_mm_cvt_sd_u32 / _mm_cvt_sd_u64

extern unsigned int __cdecl _mm_cvt_sd_u32(__m128d a);
extern unsigned __int64 __cdecl _mm_cvt_sd_u64(__m128d a);

_mm_cvt_roundsd_i32 / _mm_cvt_roundsd_si32

extern int __cdecl _mm_cvt_roundsd_i32(__m128d a, int round); 
extern int __cdecl _mm_cvt_roundsd_si32(__m128d a, int round);

_mm_cvtt_sd_i32 / _mm_cvtt_sd_si32

extern __int64 __cdecl _mm_cvtt_sd_i32(__m128d);
extern __int64 __cdecl _mm_cvtt_sd_i64(__m128d);

_mm_cvtt_roundsd_i64 / _mm_cvtt_roundsd_si64

extern __int64 __cdecl _mm_cvtt_roundsd_i64(__m128d, int round);
extern __int64 __cdecl _mm_cvtt_roundsd_si64(__m128d, int round);

_mm_cvtti64 / _mm_cvttsd_si64

extern __m128d __cdecl _mm_cvtt_i64_sd(__m128d a, __int64);
extern __m128d __cdecl _mm_cvtt_si64_sd(__m128d a, __int64);

_mm_cvtt_roundsd_u32 / _mm_cvtt_roundsd_u64

extern unsigned int __cdecl _mm_cvtt_roundsd_u32(__m128d a, int round);
extern unsigned __int64 __cdecl _mm_cvtt_roundsd_u64(__m128d a, int round);

_mm_cvtt_sd_u32 / _mm_cvtt_sd_u64

extern unsigned int __cdecl _mm_cvtt_sd_u32(__m128d a);
extern unsigned __int64 __cdecl _mm_cvtt_sd_u64(__m128d a);

_mm_cvt_roundss_i32 / _mm_cvt_roundss_si32

extern int __cdecl _mm_cvt_roundss_i32(__m128d a, int round); 
extern int __cdecl _mm_cvt_roundss_si32(__m128d a, int round);

_mm_cvt_ss_i32 / _mm_cvt_ss_si32

extern __int64 __cdecl _mm_cvt_ss_i32(__m128d);
extern __int64 __cdecl _mm_cvt_ss_i64(__m128d);

_mm_cvt_roundss_i64 / _mm_cvt_roundss_si64

extern __int64 __cdecl _mm_cvt_roundss_i64(__m128d, int round);
extern __int64 __cdecl _mm_cvt_roundss_si64(__m128d, int round);

_mm_cvti64 / _mm_cvtss_si64

extern __m128d __cdecl _mm_cvt_i64_sd(__m128d a, __int64);
extern __m128d __cdecl _mm_cvt_si64_sd(__m128d a, __int64);

_mm_cvt_roundss_u32 / _mm_cvt_roundss_u64

extern unsigned int __cdecl _mm_cvt_roundss_u32(__m128d a, int round);
extern unsigned __int64 __cdecl _mm_cvt_roundss_u64(__m128d a, int round);

_mm_cvt_ss_u32 / _mm_cvt_ss_u64

extern unsigned int __cdecl _mm_cvt_ss_u32(__m128d a);
extern unsigned __int64 __cdecl _mm_cvt_ss_u64(__m128d a);

_mm_cvt_roundss_i32 / _mm_cvt_roundss_si32

extern int __cdecl _mm_cvt_roundss_i32(__m128d a, int round); 
extern int __cdecl _mm_cvt_roundss_si32(__m128d a, int round);

_mm_cvtt_ss_i32 / _mm_cvtt_ss_si32

extern __int64 __cdecl _mm_cvtt_ss_i32(__m128d);
extern __int64 __cdecl _mm_cvtt_ss_i64(__m128d);

_mm_cvtt_roundss_i64 / _mm_cvtt_roundss_si64

extern __int64 __cdecl _mm_cvtt_roundss_i64(__m128d, int round);
extern __int64 __cdecl _mm_cvtt_roundss_si64(__m128d, int round);

_mm_cvtti64 / _mm_cvttss_si64

extern __m128d __cdecl _mm_cvtt_i64_sd(__m128d a, __int64);
extern __m128d __cdecl _mm_cvtt_si64_sd(__m128d a, __int64);

_mm_cvtt_roundss_u32 / _mm_cvtt_roundss_u64

extern unsigned int __cdecl _mm_cvtt_roundss_u32(__m128d a, int round);
extern unsigned __int64 __cdecl _mm_cvtt_roundss_u64(__m128d a, int round);

_mm_cvtt_ss_u32 / _mm_cvtt_ss_u64

extern unsigned int __cdecl _mm_cvtt_ss_u32(__m128d a);
extern unsigned __int64 __cdecl _mm_cvtt_ss_u64(__m128d a);

_mm512_cvtss_f32

float _mm512_cvtss_f32(__m512 a);

_mm512_cvtsd_f64

double _mm512_cvtsd_f64(__m512d a);

Parent topic: Intrinsics for Conversion Operations

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Intel® C++ Compiler Classic Developer Guide and Reference

Intrinsics for FP Conversion Operations