diff options
Diffstat (limited to 'gcc/testsuite/gcc.target/powerpc/pr35907.c')
-rw-r--r-- | gcc/testsuite/gcc.target/powerpc/pr35907.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/powerpc/pr35907.c b/gcc/testsuite/gcc.target/powerpc/pr35907.c new file mode 100644 index 000000000..7d5465ea1 --- /dev/null +++ b/gcc/testsuite/gcc.target/powerpc/pr35907.c @@ -0,0 +1,57 @@ +/* PR target/35907 */ +/* { dg-do run { target { powerpc*-*-* && vmx_hw } } } */ +/* { dg-do compile { target { powerpc*-*-* && { ! vmx_hw } } } } */ +/* { dg-require-effective-target powerpc_altivec_ok } */ +/* { dg-options "-O2 -maltivec" } */ + +#define vector __attribute__((vector_size (16))) +union +{ + vector int k; + int c[16]; +} u, v, w; +vector int m; + +void __attribute__((noinline)) +bar (void *i, vector int j) +{ + asm volatile ("" : : "r" (i), "r" (&j) : "memory"); +} + +int __attribute__((noinline)) +foo (int i, vector int j) +{ + char *p = __builtin_alloca (64 + i); + m += u.k; + v.k = m; + w.k = j; + if (__builtin_memcmp (&v.c, &w.c, 16) != 0) + __builtin_abort (); + j += u.k; + bar (p, j); + j += u.k; + bar (p, j); + return 0; +} + +void +test (void) +{ + vector int l; + int i; + for (i = 0; i < 4; i++) + u.c[i] = i; + l = u.k; + if (foo (64, l)) + __builtin_abort (); + l += u.k; + if (foo (64, l)) + __builtin_abort (); +} + +int +main () +{ + test (); + return 0; +} |