{"blog_title":"FPGA\u958b\u767a\u65e5\u8a18","author_url":"https://blog.hatena.ne.jp/msyksphinz/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmsyksphinz.hatenablog.com%2Fentry%2F2024%2F01%2F15%2F040000\" title=\"\u81ea\u4f5cCPU\u306b\u30d9\u30af\u30c8\u30eb\u547d\u4ee4\u3092\u8ffd\u52a0\u3059\u308b\u5b9f\u88c5\u691c\u8a0e (38. Widening / Narrowing\u306b\u3064\u3044\u3066\u8003\u3048\u3092\u5de1\u3089\u305b\u308b) - FPGA\u958b\u767a\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","description":"RISC-V\u306e\u30d9\u30af\u30c8\u30eb\u547d\u4ee4\u306b\u306f\u3001\u6d6e\u52d5\u5c0f\u6570\u70b9\u306b\u304a\u3051\u308bWidening\u3068Narrowing\u3068\u3044\u3046\u3082\u306e\u304c\u3042\u308b\u3002 Widening\u306f\u3001\u6d6e\u52d5\u5c0f\u6570\u70b9\u306e\u6f14\u7b97\u5b9f\u884c\u6642\u306b\u3001\u30c7\u30fc\u30bf\u578b\u3092\u62e1\u5f35\u3057\u3066\u8a08\u7b97\u3059\u308b\u3082\u306e\u3067\u3042\u308a\u3001\u4e00\u65b9\u3067Narrowing\u306f\u3001\u30c7\u30fc\u30bf\u578b\u3092\u7e2e\u5c0f\u3057\u3066\u8a08\u7b97\u3059\u308b\u3002 \u4f8b\u3048\u3070\u3001SEW=32(FP32)\u306a\u3089\u3070\u3001\u6f14\u7b97\u5b9f\u884c\u524d(\u3042\u308b\u3044\u306f\u5b9f\u884c\u5f8c)\u306b\u30c7\u30fc\u30bf\u5e45\u3092FP64\u306b\u62e1\u5f35\u3055\u305b\u3066\u304b\u3089\u5b9f\u884c\u3059\u308b\u3002 \u4e00\u65b9\u3067\u3001Narrowing\u306fSEW=64\u306a\u3089\u3070\u3001\u6f14\u7b97\u5b9f\u884c\u524d(\u3042\u308b\u3044\u306f\u5b9f\u884c\u5f8c)\u306b\u30c7\u30fc\u30bf\u5e45\u3092FP32\u306b\u7e2e\u5c0f\u3059\u308b\u3002 # Double-width result, two single-width sources: 2*SEW = SEW op\u2026","title":"\u81ea\u4f5cCPU\u306b\u30d9\u30af\u30c8\u30eb\u547d\u4ee4\u3092\u8ffd\u52a0\u3059\u308b\u5b9f\u88c5\u691c\u8a0e (38. Widening / Narrowing\u306b\u3064\u3044\u3066\u8003\u3048\u3092\u5de1\u3089\u305b\u308b)","height":"190","url":"https://msyksphinz.hatenablog.com/entry/2024/01/15/040000","published":"2024-01-15 04:00:00","blog_url":"https://msyksphinz.hatenablog.com/","version":"1.0","type":"rich","categories":[],"provider_name":"Hatena Blog","width":"100%","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/m/msyksphinz/20240118/20240118190059.png","provider_url":"https://hatena.blog","author_name":"msyksphinz"}