On 30.12.2007 15:08, Urbez Santana Roma wrote: > I ask us, if one are interessed in one tool that i have make > that makes possible compile C code, with GCC, and eliminate > the use of the Stack, and use the registers of MMX or XMM if > have it. It is transparent, and only have the limitations of > the virtual stack that are small, 128 bytes with XMM or 64 > with MMX. Your C code must not use more stack. >
That is very interesting. > I have compiled complex programs, for test the CPU and the > RAM init, through rs232, and it works :) with the tool. The pay > are that programs work a slowly. I have writen it for make tools > for test CPU's and Mainboards without continuously writen the EPROM, > and romcc cannot compile the code or the code compiled not works with > these codes. > ROMCC uses a very similar technique to store variables inside MMX/SSE registers. However, it is a standalone compiler. How did you extend gcc to achieve memory-free operation? Regards, Carl-Daniel -- linuxbios mailing list linuxbios@linuxbios.org http://www.linuxbios.org/mailman/listinfo/linuxbios
