WebCurrent Weather. 5:11 AM. 47° F. RealFeel® 48°. Air Quality Excellent. Wind NE 2 mph. Wind Gusts 5 mph. Clear More Details. WebMay 18, 2024 · if (f1 > d1) {b1 = true;} 汇编编码: cvtss2sd xmm0, dword ptr [f1] comisd xmm0, mmword ptr [d1] jbe main + 0 D2h (07FF 710 D71382h) mov byte ptr [rsp], 1. 使用cvtss2sd把float值转换成double加载到xmm0中; 下来同double比较double一致; 3. 整数与 …
汇编指令CLI/STI_cli指令_小蚂蚁_CrkRes的博客-CSDN博客
WebDescription ¶ . Compares the double-precision floating-point values in the low quadwords of operand 1 (first operand) and operand 2 (second operand), and sets the ZF, PF, and CF flags in the EFLAGS register according to the result (unordered, greater than, less than, or … Web1 SSE 2 CVTSI2SS – 把一个64位的有符号整型转换为一个浮点值,并把它插入到一个128位的参数中。. 内部指令:_mm_cvtsi64_ss 3 CVTSS2SI – 取出一个32位的浮点值,并取 … shoals newspaper
浮点数寄存器与指令_xmm浮点指令_WarEric的博客-CSDN博客
WebCVTSS2SD (128-bit Legacy SSE version) ¶ DEST[63:0] := Convert_Single_Precision_To_Double_Precision_Floating_Point(SRC[31:0]); … WebSSE2 instructions are an extension of the SIMD execution model introduced with the MMX technology and the SSE extensions. SSE2 instructions are divided into four subgroups: … WebSep 28, 2024 · Neitsa在对问题的评论中建议,这可能是问题的根源.实际上,正如我们已经看到的那样,问题的来源是上一个指令,即执行乘法的指令. cvtss2sd只是将已经不精确的单精度浮点数表示(0x51ba43b7)转换为不精确的双精度浮点表示:0x42374876E0000000,或9999999999999997952.0. rabbit opener wine