On 11/13/2015 06:31 PM, Mark Hatle wrote:
The compiler today support many more instructions for a given architecture
family then QEMU models for that same architecture.
IA32 -- some of the current and even some former generate i7 instructions fall
under this problem. If you host system does not have the same instruction set,
QEMU doesn't know how to emulate everything.
MIPS64 (Such as the Octeon III) is a good example.
PowerPC has many variants as well that QEMU does not support.
It would be wonderful if there was a tie together of what gcc/as and qemu
supported -- at least from an application perspective, but that simply doesn't
happen in the real world.
How about approaching this from the other side then? Machines can be
defined so that if gobject introspection distro feature is enabled, then
the standard qemu-supported compiler settings are used (same as
qemumips64 for instance). If not, then people can tweak the compiler to
their heart's content.
Alex
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