Messages in this thread | | | Date | Mon, 11 Jul 2022 11:39:34 -0500 | From | Segher Boessenkool <> | Subject | Re: [PATCH v1 1/5] powerpc/32: Do not allow selection of e5500 or e6500 CPUs on PPC32 |
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Hi!
On Mon, Jul 11, 2022 at 04:19:29PM +0200, Christophe Leroy wrote: > Commit 0e00a8c9fd92 ("powerpc: Allow CPU selection also on PPC32") > enlarged the CPU selection logic to PPC32 by removing depend to > PPC64, and failed to restrict that depend to E5500_CPU and E6500_CPU. > Fortunately that got unnoticed because -mcpu=8540 will override the > -mcpu=e500mc64 or -mpcu=e6500 as they are ealier, but that's > fragile and may no be right in the future.
A later -mcpu= always overrides an earlier one. This is the same as with all other GCC option flags, and will not change in the future.
Segher
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