[coreboot] #188: gcc-4.7 miscompiles coreboot on -Os, -O1, -O2, -O3 in 3 different ways

Peter Stuge peter at stuge.se
Tue Oct 16 18:55:07 CEST 2012

Hristo Venev wrote:
> It turned out that gcc was trying to use a xmm register. But I had set
> coreboot to
> build for qemu. This means SSE is disabled. If I enable SSE from
> .config, it gets
> initialized in romstage (I think) so it even compiles with gcc
> -march=corei7 -O3.
> Maybe -march should be set by Kconfig according to the CPU.

Please send patches to fix this. That would be great.


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