Crossing to alpha from a 32bit has never really worked. Cross building a 
sparc64 image has never been a problem I've found except for file(1) and that
turned out to be LP64 bugs in the code itself.

James

>
>On Thu, Jul 31, 2003 at 02:42:11PM -0400, Jason R. Fink wrote:
>> 
>> Hello,
>> 
>> Got this while running build.sh -m alpha kernel=GENERIC 
>> with -current as of 31 July:
>> 
>> /usr/src/tooldir.NetBSD-1.6U-i386/bin/alpha--netbsd-gcc  -mno-fp-regs  -ffreestanding  -O2 -Werror -Wall -Wno-main -Wno-format-zero-length -Wpointer-arith -Wmissing-prototypes -Wstrict-prototypes -Wno-sign-compare -Wno-uninitialized  -Dalpha -I.  -I/usr/src/sys/arch -I/usr/src/sys -nostdinc -DDIAGNOSTIC -DLKM -DMAXUSERS=32 -D_KERNEL -D_KERNEL_OPT   -c /usr/src/sys/netinet/igmp.c
>> /usr/src/sys/netinet/igmp.c: In function `igmp_sendpkt':
>> /usr/src/sys/netinet/igmp.c:591: internal error--unrecognizable insn:
>> (insn 374 372 376 (set (reg:DI 159)
>>         (and:DI (plus:DI (reg:DI 152)
>>                 (const_int 21474836480 [0x500000000]))
>>             (const_int -8 [0xfffffffffffffff8]))) -1 (insn_list 372 (nil))
>>     (nil))
>> *** Error code 1
>> 
>> Stop.
>> nbmake: stopped in /usr/src/sys/arch/alpha/compile/GENERIC
>> 
>> ERROR: Failed to make all in /usr/src/sys/arch/alpha/compile/GENERIC
>> *** BUILD ABORTED ***
>
>I've seen the same thing, and what I was told when I asked is that it is
>currently not possible with the version of GCC in -current to build from
>ILP32 -> LP64. (Although I *know* I built a Sparc64 snapshot a while back on
>-current, including the 64bit kernel.. so I don't know. I think that
>something that used to work is now broken, but I'm no toolchain guru.)
>
>-Sean
>
>-- 
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>