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re PR rtl-optimization/33552 (wrong code for multiple output asm, wrong df?)

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PR rtl-optimization/33552
        * gcc.target/i386/pr33552.c: New runtime test.
        * gcc.target/i386/strinline.c: New compile time test.

Co-Authored-By: Jakub Jelinek <jakub@redhat.com>

From-SVN: r128865
This commit is contained in:
Michael Matz 2007-09-28 13:33:09 +00:00 • committed by Michael Matz
parent 53220215a8
commit 4344da24b5
3 changed files with 76 additions and 0 deletions
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7
gcc/testsuite/ChangeLog
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@ -1,3 +1,10 @@
2007-09-28 Michael Matz <matz@suse.de>
Jakub Jelinek <jakub@redhat.com>
PR rtl-optimization/33552
* gcc.target/i386/pr33552.c: New runtime test.
* gcc.target/i386/strinline.c: New compile time test.
2007-09-28 Jakub Jelinek <jakub@redhat.com>
* gfortran.dg/openmp_stack.f90: Removed.

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gcc/testsuite/gcc.target/i386/pr33552.c Normal file
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/* PR rtl-optimization/33552 */
/* { dg-do run } */
/* { dg-options "-O2" } */
extern void abort (void);
void
__attribute__((noinline))
foo (unsigned long *wp, unsigned long *up, long un, unsigned long *vp)
{
long j;
unsigned long prod_low, prod_high;
unsigned long cy_dig;
unsigned long v_limb;
v_limb = vp[0];
cy_dig = 64;
for (j = un; j > 0; j--)
{
unsigned long u_limb, w_limb;
u_limb = *up++;
__asm__ (""
: "=r" (prod_low), "=r" (prod_high)
: "0" (u_limb), "1" (v_limb));
__asm__ ("mov %5, %1; add %5, %0"
: "=r" (cy_dig), "=&r" (w_limb)
: "0" (prod_high), "rm" (0), "1" (prod_low), "rm" (cy_dig));
*wp++ = w_limb;
}
}
int
main (void)
{
unsigned long wp[4];
unsigned long up[4] = { 0x1248, 0x248a, 0x1745, 0x1853 };
unsigned long vp = 0xdead;
foo (wp, up, 4, &vp);
if (wp[0] != 0x40 || wp[1] != 0xdeed || wp[2] != 0x1bd9a || wp[3] != 0x29c47)
abort ();
return 0;
}

28
gcc/testsuite/gcc.target/i386/strinline.c Normal file
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/* { dg-do compile } */
/* { dg-options "-O2 -fPIC" } */
typedef unsigned int size_t;
char *
__mempcpy_by2 (char *__dest, __const char *__src, size_t __srclen)
{
register char *__tmp = __dest;
register unsigned long int __d0, __d1;
__asm__ __volatile__
("shrl $1,%3\n\t"
"jz 2f\n"
"1:\n\t"
"movl (%2),%0\n\t"
"leal 4(%2),%2\n\t"
"movl %0,(%1)\n\t"
"leal 4(%1),%1\n\t"
"decl %3\n\t"
"jnz 1b\n"
"2:\n\t"
"movw (%2),%w0\n\t"
"movw %w0,(%1)"
: "=&q" (__d0), "=r" (__tmp), "=&r" (__src), "=&r" (__d1),
"=m" ( *(struct { __extension__ char __x[__srclen]; } *)__dest)
: "1" (__tmp), "2" (__src), "3" (__srclen / 2),
"m" ( *(struct { __extension__ char __x[__srclen]; } *)__src)
: "cc");
return __tmp + 2;
}