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VINSERTF32x8
Inserts eight 32-bit floating-point values from a source into a destination vector. The source can be a YMM register or a 128-bit XMM register (where the upper 128 bits are zeroed).
The table below covers what the source and destinations can be.
| source | destination(s) |
|---|---|
| xmm reg | ymm reg |
| ymm reg | ymm reg |
| m128 | ymm reg |
| m256 | ymm reg |
DO NOT support LOCK
This instruction is available only in 64-bit mode or compatibility mode. It requires the AVX instruction set extension.
The destination register must be a YMM register. When using an XMM register as the source, the instruction treats the missing 128 bits of the source as zeros. To avoid undefined behavior or unexpected results, ensure the YMM registers are properly aligned when using memory operands to avoid performance penalties or faults.