Re: [PATCH v1 4/5] powerpc/44x: Fix build failure with GCC 12 (unrecognized opcode: `wrteei')
From: Arnd Bergmann <arnd@arndb.de>
Date: 2022-07-11 15:05:30
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On Mon, Jul 11, 2022 at 4:19 PM Christophe Leroy [off-list ref] wrote:
quoted hunk ↗ jump to hunk
@@ -183,6 +183,18 @@ config 405_CPU bool "40x family" depends on 40x +config 440_CPU + bool "440 (44x family)" + depends on 44x + +config 464_CPU + bool "464 (44x family)" + depends on 44x + +config 476_CPU + bool "476 (47x family)" + depends on PPC_47x
Is there any value in building for -mcpu=440 or -mcpu=464 when targeting a 476?
Maybe add another !PPC_47x dependency for the first two. Ideally we would also
enforce that 440/464 based boards cannot be selected together with 476, though
I guess that is a separate issue.
Is there a practical difference between 440 and 464 when building kernels?
gcc seems to treat them the same way, so maybe one option for both is enough
here.
Arnd