Messages in this thread | | | From | Christophe Leroy <> | Subject | Re: [PATCH v1 1/5] powerpc/32: Do not allow selection of e5500 or e6500 CPUs on PPC32 | Date | Mon, 11 Jul 2022 17:42:07 +0000 |
| |
Le 11/07/2022 à 18:39, Segher Boessenkool a écrit : > 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. >
By "future" I meant after patch 2.
At the time being, if you select PPC32 and MPC_85xx and E6500_CPU, you get -mcpu=e6500 -mcpu=8540.
After patch 2, if you select PPC32 and MPC_85xx and E6500_CPU, you get -mcpu=e6500
Christophe
| |