Re: [PATCH 1/2] config/arm: strict use of -mcpu for supported CPUs

2024-10-28 Thread fengchengwen
On 2024/10/29 7:31, Wathsala Vithanage wrote: > Arm recommends using -mcpu over -march and march-extensions when the > compiler supports the target CPU (neoverse-n1 etc.). Arm build so far > has been an amalgam of -mcpu and -march. When march is in use, it has > been the case so far to silently fal

[PATCH 1/2] config/arm: strict use of -mcpu for supported CPUs

2024-10-28 Thread Wathsala Vithanage
Arm recommends using -mcpu over -march and march-extensions when the compiler supports the target CPU (neoverse-n1 etc.). Arm build so far has been an amalgam of -mcpu and -march. When march is in use, it has been the case so far to silently fall back to a downgraded march when the compiler does no