On Thu, 18 Sep 2003, Atsushi Nemoto wrote:
> macro> Log message:
> macro> Fix indeterminism in the multiply/shift erratum detection leading
> macro> to false negatives. Plus a few minor comment updates for clarity.
>
> gcc 3.3.1 can not compile current (2.4) arch/mips64/kernel/cpu-probe.c.
>
> cpu-probe.c:118: warning: asm operand 0 probably doesn't match constraints
> cpu-probe.c:118: warning: asm operand 1 probably doesn't match constraints
> ...
> cpu-probe.c: In function `check_mult_sh':
> cpu-probe.c:118: error: impossible constraint in `asm'
Hmm, perhaps 3.3.1 fails to inline the functions... It works just fine
with 2.95.4.
> The code is:
>
> static inline void align_mod(int align, int mod)
> {
> asm volatile(
> ".set push\n\t"
> ".set noreorder\n\t"
> ".balign %0\n\t"
> ".rept %1\n\t"
> "nop\n\t"
> ".endr\n\t"
> ".set pop"
> :
> : "i" (align), "i" (mod));
> }
>
> The align_mod() and mult_sh_align_mod() should be written as macro?
I wanted to avoid that as the resulting code would be ugly. I guess
there is no other choice, although I think that's a bug in gcc.
Can you quote the exact command line used for building the file?
--
+ Maciej W. Rozycki, Technical University of Gdansk, Poland +
+--------------------------------------------------------------+
+ e-mail: macro@ds2.pg.gda.pl, PGP key available +
