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/* The asm has 2 "r" in/out operands, 1 earlyclobber "r" output, 1 "r"

   input and 2 fixed "r" clobbers (eax and edx), so there are a total of

   6 registers that must not conflict.  Add to that the PIC register,

   the frame pointer, and the stack pointer, and we've run out of

   registers on 32-bit targets.  */

/* { dg-do compile } */

/* { dg-options "-O" } */

typedef unsigned long bngdigit;

typedef bngdigit *bng;

typedef unsigned int bngcarry;

typedef unsigned long bngsize;

bngdigit

bng_ia32_mult_sub_digit (bng a, bngsize alen, bng b, bngsize blen, bngdigit d)

{

  bngdigit out, tmp;

  bngcarry carry;

  bngdigit a11;

  alen -= blen;

  out = 0;

  asm (""

       : "+r" (a), "+r" (b), "+mr" (blen), "+mr" (out), "=&r" (tmp)

       : "mr" (d)

       : "eax", "edx");

  if (alen == 0)

    {

      a11 = out;

      goto t;

    }

  a11 = 1;

 t:

  return a11;

}