On Sat, Jul 09, 2022 at 09:26:11AM +0000, Christophe Leroy wrote:
> If I select the GENERIC_CPU or e5500 (with altivec) I get:
>
> CC arch/powerpc/kernel/irq.o
> {standard input}: Assembler messages:
> {standard input}:3535: Error: unrecognized opcode: `wrteei'
> {standard input}:5608: Error: unrecognized opcode: `wrteei'
What -mcpu= did it use here?
wrteei is not a PowerPC insn (it is BookE, instead), so it is not
recognised without an appropriate -mcpu=.
> If I select the e5500 (without altivec) or e6500 I get:
>
> CC arch/powerpc/kernel/io.o
> {standard input}: Assembler messages:
> {standard input}:381: Error: unrecognized opcode: `eieio'
Same question. eieio is a base PowerPC instruction, so this one is
"interesting" :-)
Segher
