bug in longlong.h for aarch64 sub_ddmmss

[Torbjörn Granlund]

Vincent Lefevre <vincent at 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.

-- 
Torbjörn
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