rtl-optimization/116550 - Add test cases.

PR rtl-optimization/116550
gcc/testsuite/
	* gcc.target/avr/torture/lra-pr116550-1.c: New file.
	* gcc.target/avr/torture/lra-pr116550-2.c: New file.
This commit is contained in:
Georg-Johann Lay 2024-10-17 13:19:51 +02:00
parent a96ffaaef2
commit e74d25cd00
2 changed files with 239 additions and 0 deletions

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/* { dg-additional-options { -std=c99 } } */
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;
static inline __attribute__ ((__always_inline__))
UDItype
__udivmoddi4 (UDItype n, UDItype d, UDItype *rp)
{
const DWunion nn = {.ll = n};
const DWunion dd = {.ll = d};
DWunion rr;
USItype d0, d1, n0, n1, n2;
USItype q0, q1;
USItype b, bm;
d0 = dd.s.low;
d1 = dd.s.high;
n0 = nn.s.low;
n1 = nn.s.high;
if (d1 == 0)
{
if (d0 > n1)
{
((bm) = __builtin_clzl (d0));
if (bm != 0)
{
d0 = d0 << bm;
n1 = (n1 << bm) | (n0 >> ((4 * 8) - bm));
n0 = n0 << bm;
}
do { USItype __d1, __d0, __q1, __q0; USItype __r1, __r0, __m; __d1 = ((USItype) (d0) >> ((4 * 8) / 2)); __d0 = ((USItype) (d0) & (((USItype) 1 << ((4 * 8) / 2)) - 1)); __r1 = (n1) % __d1; __q1 = (n1) / __d1; __m = (USItype) __q1 * __d0; __r1 = __r1 * ((USItype) 1 << ((4 * 8) / 2)) | ((USItype) (n0) >> ((4 * 8) / 2)); if (__r1 < __m) { __q1--, __r1 += (d0); if (__r1 >= (d0)) if (__r1 < __m) __q1--, __r1 += (d0); } __r1 -= __m; __r0 = __r1 % __d1; __q0 = __r1 / __d1; __m = (USItype) __q0 * __d0; __r0 = __r0 * ((USItype) 1 << ((4 * 8) / 2)) | ((USItype) (n0) & (((USItype) 1 << ((4 * 8) / 2)) - 1)); if (__r0 < __m) { __q0--, __r0 += (d0); if (__r0 >= (d0)) if (__r0 < __m) __q0--, __r0 += (d0); } __r0 -= __m; (q0) = (USItype) __q1 * ((USItype) 1 << ((4 * 8) / 2)) | __q0; (n0) = __r0; } while (0);
q1 = 0;
}
else
{
if (d0 == 0)
d0 = 1 / d0;
((bm) = __builtin_clzl (d0));
if (bm == 0)
{
n1 -= d0;
q1 = 1;
}
else
{
b = (4 * 8) - bm;
d0 = d0 << bm;
n2 = n1 >> b;
n1 = (n1 << bm) | (n0 >> b);
n0 = n0 << bm;
do { USItype __d1, __d0, __q1, __q0; USItype __r1, __r0, __m; __d1 = ((USItype) (d0) >> ((4 * 8) / 2)); __d0 = ((USItype) (d0) & (((USItype) 1 << ((4 * 8) / 2)) - 1)); __r1 = (n2) % __d1; __q1 = (n2) / __d1; __m = (USItype) __q1 * __d0; __r1 = __r1 * ((USItype) 1 << ((4 * 8) / 2)) | ((USItype) (n1) >> ((4 * 8) / 2)); if (__r1 < __m) { __q1--, __r1 += (d0); if (__r1 >= (d0)) if (__r1 < __m) __q1--, __r1 += (d0); } __r1 -= __m; __r0 = __r1 % __d1; __q0 = __r1 / __d1; __m = (USItype) __q0 * __d0; __r0 = __r0 * ((USItype) 1 << ((4 * 8) / 2)) | ((USItype) (n1) & (((USItype) 1 << ((4 * 8) / 2)) - 1)); if (__r0 < __m) { __q0--, __r0 += (d0); if (__r0 >= (d0)) if (__r0 < __m) __q0--, __r0 += (d0); } __r0 -= __m; (q1) = (USItype) __q1 * ((USItype) 1 << ((4 * 8) / 2)) | __q0; (n1) = __r0; } while (0);
}
do { USItype __d1, __d0, __q1, __q0; USItype __r1, __r0, __m; __d1 = ((USItype) (d0) >> ((4 * 8) / 2)); __d0 = ((USItype) (d0) & (((USItype) 1 << ((4 * 8) / 2)) - 1)); __r1 = (n1) % __d1; __q1 = (n1) / __d1; __m = (USItype) __q1 * __d0; __r1 = __r1 * ((USItype) 1 << ((4 * 8) / 2)) | ((USItype) (n0) >> ((4 * 8) / 2)); if (__r1 < __m) { __q1--, __r1 += (d0); if (__r1 >= (d0)) if (__r1 < __m) __q1--, __r1 += (d0); } __r1 -= __m; __r0 = __r1 % __d1; __q0 = __r1 / __d1; __m = (USItype) __q0 * __d0; __r0 = __r0 * ((USItype) 1 << ((4 * 8) / 2)) | ((USItype) (n0) & (((USItype) 1 << ((4 * 8) / 2)) - 1)); if (__r0 < __m) { __q0--, __r0 += (d0); if (__r0 >= (d0)) if (__r0 < __m) __q0--, __r0 += (d0); } __r0 -= __m; (q0) = (USItype) __q1 * ((USItype) 1 << ((4 * 8) / 2)) | __q0; (n0) = __r0; } while (0);
}
if (rp != 0)
{
rr.s.low = n0 >> bm;
rr.s.high = 0;
*rp = rr.ll;
}
}
else
{
if (d1 > n1)
{
q0 = 0;
q1 = 0;
if (rp != 0)
{
rr.s.low = n0;
rr.s.high = n1;
*rp = rr.ll;
}
}
else
{
((bm) = __builtin_clzl (d1));
if (bm == 0)
{
if (n1 > d1 || n0 >= d0)
{
q0 = 1;
do { USItype __x; __x = (n0) - (d0); (n1) = (n1) - (d1) - (__x > (n0)); (n0) = __x; } while (0);
}
else
q0 = 0;
q1 = 0;
if (rp != 0)
{
rr.s.low = n0;
rr.s.high = n1;
*rp = rr.ll;
}
}
else
{
USItype m1, m0;
b = (4 * 8) - bm;
d1 = (d1 << bm) | (d0 >> b);
d0 = d0 << bm;
n2 = n1 >> b;
n1 = (n1 << bm) | (n0 >> b);
n0 = n0 << bm;
do { USItype __d1, __d0, __q1, __q0; USItype __r1, __r0, __m; __d1 = ((USItype) (d1) >> ((4 * 8) / 2)); __d0 = ((USItype) (d1) & (((USItype) 1 << ((4 * 8) / 2)) - 1)); __r1 = (n2) % __d1; __q1 = (n2) / __d1; __m = (USItype) __q1 * __d0; __r1 = __r1 * ((USItype) 1 << ((4 * 8) / 2)) | ((USItype) (n1) >> ((4 * 8) / 2)); if (__r1 < __m) { __q1--, __r1 += (d1); if (__r1 >= (d1)) if (__r1 < __m) __q1--, __r1 += (d1); } __r1 -= __m; __r0 = __r1 % __d1; __q0 = __r1 / __d1; __m = (USItype) __q0 * __d0; __r0 = __r0 * ((USItype) 1 << ((4 * 8) / 2)) | ((USItype) (n1) & (((USItype) 1 << ((4 * 8) / 2)) - 1)); if (__r0 < __m) { __q0--, __r0 += (d1); if (__r0 >= (d1)) if (__r0 < __m) __q0--, __r0 += (d1); } __r0 -= __m; (q0) = (USItype) __q1 * ((USItype) 1 << ((4 * 8) / 2)) | __q0; (n1) = __r0; } while (0);
do { USItype __x0, __x1, __x2, __x3; USItype __ul, __vl, __uh, __vh; __ul = ((USItype) (q0) & (((USItype) 1 << ((4 * 8) / 2)) - 1)); __uh = ((USItype) (q0) >> ((4 * 8) / 2)); __vl = ((USItype) (d0) & (((USItype) 1 << ((4 * 8) / 2)) - 1)); __vh = ((USItype) (d0) >> ((4 * 8) / 2)); __x0 = (USItype) __ul * __vl; __x1 = (USItype) __ul * __vh; __x2 = (USItype) __uh * __vl; __x3 = (USItype) __uh * __vh; __x1 += ((USItype) (__x0) >> ((4 * 8) / 2)); __x1 += __x2; if (__x1 < __x2) __x3 += ((USItype) 1 << ((4 * 8) / 2)); (m1) = __x3 + ((USItype) (__x1) >> ((4 * 8) / 2)); (m0) = ((USItype) (__x1) & (((USItype) 1 << ((4 * 8) / 2)) - 1)) * ((USItype) 1 << ((4 * 8) / 2)) + ((USItype) (__x0) & (((USItype) 1 << ((4 * 8) / 2)) - 1)); } while (0);
if (m1 > n1 || (m1 == n1 && m0 > n0))
{
q0--;
do { USItype __x; __x = (m0) - (d0); (m1) = (m1) - (d1) - (__x > (m0)); (m0) = __x; } while (0);
}
q1 = 0;
if (rp != 0)
{
do { USItype __x; __x = (n0) - (m0); (n1) = (n1) - (m1) - (__x > (n0)); (n0) = __x; } while (0);
rr.s.low = (n1 << b) | (n0 >> bm);
rr.s.high = n1 >> bm;
*rp = rr.ll;
}
}
}
}
const DWunion ww = {{.low = q0, .high = q1}};
return ww.ll;
}
DItype
__divmoddi4 (DItype u, DItype v, DItype *rp)
{
SItype c1 = 0, c2 = 0;
DWunion uu = {.ll = u};
DWunion vv = {.ll = v};
DItype w;
DItype r;
if (uu.s.high < 0)
c1 = ~c1, c2 = ~c2,
uu.ll = -uu.ll;
if (vv.s.high < 0)
c1 = ~c1,
vv.ll = -vv.ll;
w = __udivmoddi4 (uu.ll, vv.ll, (UDItype*)&r);
if (c1)
w = -w;
if (c2)
r = -r;
*rp = r;
return w;
}

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/* { dg-do run } */
typedef int __attribute__((mode(SI))) __attribute__((vector_size (16))) vecint;
typedef int __attribute__((mode(SI))) siint;
vecint i = { 150, 100, 150, 200 };
vecint j = { 10, 13, 20, 30 };
vecint k;
int main (void)
{
k = i / j;
/* k = {15, 7, 7, 6} */
if (k[0] != 15 || k[1] != 7)
__builtin_abort ();
k = i & j;
/* k = {2, 4, 20, 8} */
if (k[1] != 4)
__builtin_abort ();
return 0;
}