diff options
Diffstat (limited to 'gcc/testsuite/gcc.target/i386/20020729-1.c')
-rw-r--r-- | gcc/testsuite/gcc.target/i386/20020729-1.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/i386/20020729-1.c b/gcc/testsuite/gcc.target/i386/20020729-1.c new file mode 100644 index 000000000..d4ef9bfcd --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/20020729-1.c @@ -0,0 +1,52 @@ +/* { dg-do compile } */ +/* { dg-require-effective-target ilp32 } */ +/* { dg-options "-O2 -march=k6" } */ + +static inline void * +baz (void *s, unsigned long c, unsigned int count) +{ + int d0, d1; + __asm__ __volatile__ ("" + : "=&c" (d0), "=&D" (d1) + :"a" (c), "q" (count), "0" (count / 4), "1" ((long) s) + :"memory"); + return s; +} + +struct A +{ + unsigned long *a; +}; + +inline static void * +bar (struct A *x, int y) +{ + char *ptr; + + ptr = (void *) x->a[y >> 12]; + ptr += y % (1UL << 12); + return (void *) ptr; +} + +int +foo (struct A *x, unsigned int *y, int z, int u) +{ + int a, b, c, d, e; + + z += *y; + c = z + u; + a = (z >> 12) + 1; + do + { + b = (a << 12); + d = b - z; + e = c - z; + if (e < d) + d = e; + baz (bar (x, z), 0, d); + z = b; + a++; + } + while (z < c); + return 0; +} |