Matt Thomas <matt%3am-software.com@localhost> writes: > On Apr 18, 2012, at 9:29 AM, Greg Troxel wrote: > >> >> We are trying to build packages on some evbppc systems (under >> -6/current) and finding them a bit crashy under load. So I am wondering >> to what extent packages built on a macppc (that's from 2001 or so, >> dual-core 500 Mhz G3) will run on an evbppc. I would expect all the >> instructions in the G3 to be present in the new chips (although I >> understand the memory management architecture is different). But, I >> wonder if the ABI is somehow different. I'd appreciate advice voting >> for: > > The problem is your evbppc systems don't emulate the OEA FP instructions. > So when it encounters one, it will get a SIGILL. > > We could put the fpemul code in the kernel but that code isn't that > modular and need some help to work on non-IBM4xx. So if I modified the compiler on the macppc to have soft-float as default, it might work?
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