+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.
--- /dev/null
+/* 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;
+}
--- /dev/null
+/* { 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;
+}