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38 lines
755 B
NASM
38 lines
755 B
NASM
%ifdef CONFIG
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{
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"RegData": {
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"XMM0": ["0x00000040FFFF8000", "0x00000040FFFF8000"],
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"XMM1": ["0x00000040FFFF8000", "0x00000040FFFF8000"],
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"XMM2": ["0xFFFFFFFF80000000", "0x0000000000000040"]
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},
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"MemoryRegions": {
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"0x100000000": "4096"
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}
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}
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%endif
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mov rdx, 0xe0000000
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; 32bit signed -> 16bit signed (saturated)
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; input > 0x7FFF(SHRT_MAX, 32767) = 0x7FFF(SHRT_MAX, 32767)
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; input < 0x8000(-32767) = 0x8000
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mov rax, 0xFFFFFFFF80000000
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mov [rdx + 8 * 0], rax
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mov rax, 0x0000000000000040
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mov [rdx + 8 * 1], rax
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mov rax, 0xFFFFFFFF80000000
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mov [rdx + 8 * 2], rax
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mov rax, 0x0000000000000040
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mov [rdx + 8 * 3], rax
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movapd xmm0, [rdx]
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packssdw xmm0, [rdx + 8 * 2]
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movapd xmm1, [rdx]
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movapd xmm2, [rdx + 8 * 2]
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packssdw xmm1, xmm2
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hlt
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