The assembly documentation in golang.org/doc/asm.html is accurate in this respect, I believe. By "in this respect" I mean both what the assembler accepts and interprets and what is intended.
The compiler output for -S has not been brought to the same standard and may well use SP when FP would be more correct. -rob On Fri, Mar 24, 2017 at 11:27 AM, Caleb Spare <cesp...@gmail.com> wrote: > I hope someone else knows. I've also been confused by the difference > in the offsets in the past, and when I asked about it I was told that > the output of go tool compile -S is just different than what you write > by hand. Unfortunately I don't think that the -S output is documented. > You might have to read source to figure it out. > > On Fri, Mar 24, 2017 at 4:39 AM, <nsa...@gmail.com> wrote: > > Should not the first parameter of a function be passed in 0(FP)? See this > > example assembly (produced by go tool compile -S), where 0(FP) gets > skipped > > over and the argument is apparently loaded from 8(FP): > > > > https://drive.google.com/open?id=0B63rdrZtwIE9dHZqWmoxdXIzNnc > > > > Another confusing thing is that conditional jumps are sometimes invoked > with > > two operands, see any of the 8 almost equal functions here: > > > > https://drive.google.com/open?id=0B63rdrZtwIE9R3M4cGxrSFhmT00 > > > > (also, the first parameter is even further from 0(FP) now). > > > > > > Regards, > > Neven > > > > -- > > You received this message because you are subscribed to the Google Groups > > "golang-nuts" group. > > To unsubscribe from this group and stop receiving emails from it, send an > > email to golang-nuts+unsubscr...@googlegroups.com. > > For more options, visit https://groups.google.com/d/optout. > > -- > You received this message because you are subscribed to the Google Groups > "golang-nuts" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to golang-nuts+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "golang-nuts" group. To unsubscribe from this group and stop receiving emails from it, send an email to golang-nuts+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
