forwarding to the avr-gcc list...
On Sat, Jun 9, 2012 at 10:15 AM, Torbjorn Granlund <t...@gmplib.org> wrote:
> bodr...@mail.dm.unipi.it writes:
>
> IIRC, with avr-gcc, the unsigned long type exists and it is 32 bits long.
> Using them for all operations probably is not the faster way to handle
> long integers, because it forces the compiler to use many registers and a
> lot of code, but it should work.
>
> I tried avr-gcc both from FreeBSD's ports and from Debian's apt:
>
> Attempt 1:
>
> tom$ avr-gcc -I. -O -S mini-gmp.c
> mini-gmp.c: In function 'mpz_out_str':
> mini-gmp.c:3996:9: warning: incompatible implicit declaration of
> built-in function 'fwrite' [enabled by default]
> mini-gmp.c: In function 'mpn_div_qr_preinv':
> mini-gmp.c:1012:1: error: unable to find a register to spill in class
> 'POINTER_REGS'
> mini-gmp.c:1012:1: error: this is the insn:
> (insn 238 236 239 10 (set (reg/v:SI 219 [ n0 ])
> (mem:SI (pre_dec:HI (reg:HI 2 r2 [orig:239 ivtmp.626 ] [239]))
> [0 MEM[base: D.7131_301, offset: 0B]+0 S4 A8])) mini-gmp.c:885
> 26 {*movsi}
> (expr_list:REG_INC (reg:HI 2 r2 [orig:239 ivtmp.626 ] [239])
> (nil)))
> mini-gmp.c:1012: confused by earlier errors, bailing out
>
>
> Attempt 2:
>
> tom$ avr-gcc -mint8 -I. -O -S mini-gmp.c
> <built-in>:0:0: internal compiler error: Segmentation fault
> Please submit a full bug report,
> with preprocessed source if appropriate.
> See <http://gcc.gnu.org/bugs.html> for instructions.
>
> Not too encouraging.
>
> --
> Torbjörn
> _______________________________________________
> gmp-discuss mailing list
> gmp-disc...@gmplib.org
> http://gmplib.org/mailman/listinfo/gmp-discuss
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