Re: odd 7.4 build failure on new sparc machine

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От Tom Lane
Тема Re: odd 7.4 build failure on new sparc machine
Дата
Msg-id 22785.1151899129@sss.pgh.pa.us
обсуждение исходный текст
Ответ на odd 7.4 build failure on new sparc machine  (Andrew Dunstan <andrew@dunslane.net>)
Ответы Re: odd 7.4 build failure on new sparc machine  ("Andrew Dunstan" <andrew@dunslane.net>)
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Andrew Dunstan <andrew@dunslane.net> writes:
> I am seeing a strange failure on the new box Sun donated, when trying to 

> ccache gcc -O2 -fno-strict-aliasing -g -Wall -Wmissing-prototypes -Wmissing-declarations -c tas.s
> /usr/ccs/bin/ld -r -o SUBSYS.o dynloader.o pg_sema.o pg_shmem.o tas.o
> ld: fatal: relocation error: R_SPARC_32: file tas.o: symbol <unknown>: offset 0xec1 is non-aligned
> [etc]

> What is odd is that the identical file seems to succeeed on the later 
> 8.0 and 8.1 branches.

The solaris_sparc.s file seems identical in these branches up to CVS
label ... but are the compilation options the same?  The critical fix
might be somewhere in the configure/Makefile chain.

Another thing to try is whether it works without ccache.  We've seen
plenty of trouble from that tool :-(

> Why do we have "mov 1,%o0" immediately followed by "mov 0,%o0"?

Better read up on branch delay slots...
        regards, tom lane


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