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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;
}
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