1 files changed, 16 insertions, 0 deletions
diff --git a/3/11_floating_point/54_funct2.c b/3/11_floating_point/54_funct2.c
new file mode 100644
index 0000000..66c26c8
--- /dev/null
+++ b/3/11_floating_point/54_funct2.c
@@ -0,0 +1,16 @@
+double funct2(double w, int x, float y, long z)
+{
+    return x*y - w/z;
+}
+
+// double funct2(double w, int x, float y, long z)
+// w in xmm0, x in edi, y in xmm1, z in rsi
+// funct2:
+//      vcvtsi2ss       %edi, %xmm2, %xmm2      // convert int to float
+//      vmulss          %xmm1, %xmm2, %xmm1     // xmm1<- x*y, multiply sencond and third float
+//      vunpcklps       %xmm1, %xmm1, %xmm1     // do convert float to double?
+//      vcvtps2pd       %xmm1, %xmm2            // do convert float to double?
+//      vcvtsi2sdq      %rsi, %xmm1, %xmm1      // xmm1 <- z, convert long to double?
+//      vdivsd          %xmm1, %xmm0, %xmm0     // xmm0<- w/z
+//      vsubsd          %xmm0, %xmm2, %xmm0     // xmm0<- (x*y) - w/z
+//      ret