Vincent Lefevre <vinc...@vinc17.net> writes:
On 2020-06-16 13:40:14 +0200, Torbjorn Granlund wrote:
> Vincent Lefevre <vinc...@vinc17.net> writes:
>
> #define sub_ddmmss(sh, sl, ah, al, bh, bl) \
> do { \
> if (__builtin_constant_p (bl) && -(UDItype)(bl) < 0x1000) \
> __asm__ ("adds\t%1, %x4, %5\n\tsbc\t%0, %x2, %x3" \
> : "=r,r" (sh), "=&r,&r" (sl) \
> : "rZ,rZ" ((UDItype)(ah)), "rZ,rZ" ((UDItype)(bh)), \
> "r,Z" ((UDItype)(al)), "rI,r" (-(UDItype)(bl))
__CLOBBER_CC);\
> else \
> __asm__ ("subs\t%1, %x4, %5\n\tsbc\t%0, %x2, %x3" \
> : "=r,r" (sh), "=&r,&r" (sl) \
> : "rZ,rZ" ((UDItype)(ah)), "rZ,rZ" ((UDItype)(bh)), \
> "r,Z" ((UDItype)(al)), "rI,r" ((UDItype)(bl))
__CLOBBER_CC);\
> } while(0);
>
> The two - signs ought to be ~, I think. Let me think a buit more about
that.
Note that the "else" case, which doesn't have a - sign in its
arguments is affected too, AFAIK.
I cannot follow you here.
Are you saying that the asm in the else clause is broken too?
Please explain.
--
Torbjörn
Please encrypt, key id 0xC8601622
_______________________________________________
gmp-bugs mailing list
gmp-bugs@gmplib.org
https://gmplib.org/mailman/listinfo/gmp-bugs
