Update types.comp

Author: lovedheart

ggml/src/ggml-vulkan/vulkan-shaders/types.comp

@@ -1423,9 +1423,8 @@ float e8m0_to_fp32(uint8_t x) {
 //    }
 
 // branchless optimization	
-    uint ux = uint(x);
-    uint is_zero = uint(x == 0);
-    uint result = (ux << 23) * (1 - is_zero) + (0x00400000u * is_zero);
+	uint is_zero = uint(x == 0);
+    uint result = (uint(x) << 23) | (is_zero << 22);
     return uintBitsToFloat(result);
 }