flat assembler
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> Windows > AVX how ymm0 to xmm0 ? |
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Roman 11 Jan 2019, 12:41
I found Vperm2f128 and Vinsertf128
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11 Jan 2019, 12:41 |
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Tomasz Grysztar 11 Jan 2019, 12:43
Roman wrote: And second question. ymm0 and xmm0 is the different registers ? Also, the upper half is automatically zeroed when you modify XMM0 with an AVX instruction (one that uses VEX encoding, they have mnemonics prepended with V letter), but it is not touched when you alter XMM0 with a classic SSE instruction. |
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11 Jan 2019, 12:43 |
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Furs 11 Jan 2019, 21:03
Roman wrote: And second question. ymm0 and xmm0 is the different registers ? |
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11 Jan 2019, 21:03 |
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