================ @@ -348,6 +348,20 @@ static inline unsigned long _inpd(unsigned short port) { return ret; } +static inline int _outp(unsigned short port, int data) { + __asm__ volatile("outb %b0, %w1" : : "a"(data), "Nd"(port)); + return data; ---------------- phoebewang wrote:
Return the direct `data` seems useless. Did you check if MSVC returns the same value or it actually reads from the port and returns the old data? https://github.com/llvm/llvm-project/pull/93774 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits