_m_packuswb
Classification
MMX, Miscellaneous, CPUID Test: MMX
Header File
Instruction
PACKUSWB mm, mm
Synopsis
_m_packuswb(__m64 a, __m64 b);
Description
Convert packed signed 16-bit integers from "a" and "b" to packed 8-bit integers using unsigned saturation, and store the results in "dst".
Operation
dst[7:0] := SaturateU8(a[15:0])
dst[15:8] := SaturateU8(a[31:16])
dst[23:16] := SaturateU8(a[47:32])
dst[31:24] := SaturateU8(a[63:48])
dst[39:32] := SaturateU8(b[15:0])
dst[47:40] := SaturateU8(b[31:16])
dst[55:48] := SaturateU8(b[47:32])
dst[63:56] := SaturateU8(b[63:48])