Unverified50% confidenceFactExact time
AMD64将通用寄存器从8个扩展到16个，寄存器宽度从32位扩展到64位，引入REX前缀，并保持向后兼容x86
1
Sources
50%
Confidence
Long-term
Relevance
8/7/2026
First Seen
Sources
Related Claims
UnverifiedAMX的核心组件包括默认8个二维Tile寄存器（每个最大可达1KB，即16行×64字节）、TILECFG指令，以及TDPBF16PS、TDPBSSD等矩阵乘法指令79% similarUnverifiedx86-64 has 16 general-purpose registers, and ARM64 has 31.78% similarUnverified安腾配备128个通用寄存器和128个浮点寄存器，远超同时代x86处理器的8个通用寄存器74% similarUnverifiedC64配备64KB内存、8位MOS 6510处理器，主频约1MHz72% similarUnverifiedAMD64's REX prefix byte occupies opcode space 0x40–0x4F, which in 32-bit mode originally encoded single-byte forms of the INC/DEC register instructions.72% similar
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