Last Updated
：2025/12/06
x87
Proper noun
Japanese Meaning
x87とは、x86 CPU命令セットの拡張として提供される、ソフトウェアでエミュレートするのではなく、ハードウェアが直接高度な浮動小数点演算操作をサポートするための機能やユニットのことを指す。
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(computing) An extension to the x86 CPU instruction set architecture, providing direct hardware support for advanced floating-point arithmetic operations (rather than requiring them to be emulated in software).
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x87
The legacy compiler still emits x87 instructions to ensure precise floating-point math on older processors.
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The legacy compiler still emits x87 instructions to ensure precise floating-point math on older processors.
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