On 05/29/2017 05:14 AM, Richard W.M. Jones wrote: > I see in the disassembly use of cmovne (new in Pentium Pro) and > bswap (new in 486). > [http://cse.unl.edu/~goddard/Courses/CSCE351/IntelArchitecture/InstructionSetSummary.pdf] > > The cmovne instruction is generated by the compiler (GCC in my case), > > The following patch removes the cmovne instruction, so it should work > on 486 (although I didn't test it). It's not possible to remove bswap > without surgery on the inline assembler.
Is there any way to make it just _not_ load the option rom for -cpu 486? It ran fine before that thing went in... Rob