[Qemu-devel] Re: Some patches for qemu on sparc

[Blue Swirl]

> Thanks for your feedback. I've added additional check to dyngen.c, which 
> checks that function has either save; in the beginning and ret; restore;
> in the end, or ends in retl; nop;. That allowed me to get past the arm 
> target build failure. Now it fails (during dyngen check) on ppc target, the 
> culprit is the following function:

Just keep the instruction after retl, if it's not a nop. Stack adjustments 
could be combined someplace, but that's a problem with all architectures, 
not just sparc.

That is:
insn1
retl
insn3

should become:
insn1
insn2

In some cases there is just one instruction after retl with nothing before 
it.

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