javaassemblyjvminline-assemblyjvm-hotspot
Why does hotspot use different assembly styles in same source code?
For example, hotspot uses at&t and intel style to describe the fence() function.
Since both at&t and intel style assembly have the same underlying machine code, why does hotspot use different styles in the same source code?
Solution
HotSpot for Windows is compiled with Microsoft Visual C++ (MSVC).
HotSpot for Linux is compiled with GCC.
MSVC and GCC indeed have different syntax for inline assembly.
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