Viewing file:  tiny-caller-save.c (2 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
/* { dg-do compile } */
/* { dg-options "-mmcu=avrtiny -gdwarf -Os" } */
/* This is a stripped down piece of libgcc2.c that triggerd an ICE for avr with
"-mmcu=avrtiny -g -Os"; replace_reg_with_saved_mem would generate:
(concatn:SI [
(reg:SI 18 r18)
(reg:SI 19 r19)
(mem/c:QI (plus:HI (reg/f:HI 28 r28)
(const_int 43 [0x2b])) [6 S1 A8])
(mem/c:QI (plus:HI (reg/f:HI 28 r28)
(const_int 44 [0x2c])) [6 S1 A8])
]) */
typedef int SItype __attribute__ ((mode (SI)));
typedef unsigned int USItype __attribute__ ((mode (SI)));
typedef int DItype __attribute__ ((mode (DI)));
typedef unsigned int UDItype __attribute__ ((mode (DI)));
struct DWstruct
{
SItype low, high;
};
typedef union
{
struct DWstruct s;
DItype ll;
} DWunion;
UDItype
__udivmoddi4 (UDItype n, UDItype d)
{
const DWunion nn = {.ll = n };
const DWunion dd = {.ll = d };
USItype d0, d1, n2;
USItype q0;
d0 = dd.s.low;
d1 = dd.s.high;
n2 = nn.s.high;
USItype m0;
do
{
USItype __d1, __d0, __q1, __q0;
USItype __r1, __m;
__d1 = ((USItype) (d1) >> 16);
__d0 = ((USItype) (d1) & (((USItype) 1 << 16) - 1));
__r1 = (n2) % __d1;
__q1 = (n2) / __d1;
__m = (USItype) __q1 *__d0;
__r1 -= __m;
__q0 = __r1 / __d1;
(q0) = (USItype) __q1 *((USItype) 1 << 16) | __q0;
}
while (0);
do
{
USItype __x0, __x1, __x2;
USItype __ul, __vl, __uh, __vh;
__ul = ((USItype) (q0) & (((USItype) 1 << 16) - 1));
__uh = ((USItype) (q0) >> 16);
__vl = ((USItype) (d0) & (((USItype) 1 << 16) - 1));
__vh = ((USItype) (d0) >> 16);
__x0 = (USItype) __ul *__vl;
__x1 = (USItype) __ul *__vh;
__x2 = (USItype) __uh *__vl;
__x1 += ((USItype) (__x0) >> 16);
__x1 += __x2;
(m0) =
((USItype) (__x1) & (((USItype) 1 << 16) - 1)) *
((USItype) 1 << 16) +
((USItype) (__x0) & (((USItype) 1 << 16) - 1));
}
while (0);
return m0;
}
|
