Intel® C++ Compiler Classic Developer Guide and Reference

ID 767249
Date 12/16/2022
Public

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_mm_cvtph_ps()

Converts four half-precision (16-bit) floating point values to single-precision floating point values. The corresponding 3rd Generation Intel® Core™ Processor extension instruction is VCVTPH2PS.

Syntax

extern __m128 _mm_cvtph_ps(__m128i x, int imm);

Arguments
X

a vector containing four 16-bit FP values

Imm

a conversion control constant

Description

This intrinsic converts four half-precision (16-bit) floating point values to single-precision floating point values.

Returns

A vector containing four single-precision floating point elements.