28a095763f
The -mcpu=native support has bit-rotted a little, in particular the fallback when the native cpu couldn't be determined. This patch fixes the bit-rot and reorganizes ASM_CPU_SPEC so that it should be a little easier to keep the -mcpu=native data up to date. The patch also changes the fix for PR63177 (-mpower9-vector being passed by the user when the default is -mpower8) to also apply when -mcpu=powerpc64le and -mcpu=native is given. I'll note that the hack for PR63177 should probably be extended to lots of other options, if we're going to continue supporting all those sub-architecture options (-mpower9-vector, -mpower8-vector, -mcrypto, -mdirect-move, -mhtm, -mvsx and others) in the positive sense. I think those should have only been supported in their -mno- variants.. * config/rs6000/aix71.h (ASM_SPEC): Don't select default -maix64 cpu here. (ASM_CPU_SPEC): Do so here. Rewrite using if .. else if .. specs form. Error on missing -mcpu case. * config/rs6000/driver-rs6000.c (asm_names <_AIX>): Update NULL case. (asm_names <!_AIX>): Add missing cpus. Update NULL case. Apply PR63177 fix for -mcpu=power8 and -mcpu=powerpc64le. * config/rs6000/rs6000.h (ASM_CPU_SPEC): Rewrite using if .. else if .. specs form. Error on missing -mcpu case. Don't output duplicate -maltivec. Apply PR63177 fix for -mcpu=powerpc64le. From-SVN: r266502 |
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README
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