a6062b3d34
can use instructions which were not available on the original i386 (eg cmpxchg). Due to some strangeness in gcc's i386 support this needs an extra --with-arch=i486 configure argument for gcc to have the desired effect, see my post "i386 vs i486, some inconsistencies" to tech-toolchain some weeks ago. I'm not happy to break compatibility, but since (a) kernel support for i386 was removed and (b) i387 code was put into libm this is just another coffin nail. The gain is besides consistency and more efficient code that intel atomar intrinsics can now be used by gcc. (which would need runtime library support otherwise) |
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Makefile.inc |