diff options
Diffstat (limited to 'gcc/testsuite/gcc.c-torture/execute/builtins/memops-asm.c')
-rw-r--r-- | gcc/testsuite/gcc.c-torture/execute/builtins/memops-asm.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/execute/builtins/memops-asm.c b/gcc/testsuite/gcc.c-torture/execute/builtins/memops-asm.c new file mode 100644 index 000000000..ed2b06cf0 --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/execute/builtins/memops-asm.c @@ -0,0 +1,51 @@ +/* Copyright (C) 2003 Free Software Foundation. + + Test memcpy and memset in presence of redirect. */ + +#define ASMNAME(cname) ASMNAME2 (__USER_LABEL_PREFIX__, cname) +#define ASMNAME2(prefix, cname) STRING (prefix) cname +#define STRING(x) #x + +typedef __SIZE_TYPE__ size_t; +extern void abort (void); +extern void *memcpy (void *, const void *, size_t) + __asm (ASMNAME ("my_memcpy")); +extern void bcopy (const void *, void *, size_t) + __asm (ASMNAME ("my_bcopy")); +extern void *memset (void *, int, size_t) + __asm (ASMNAME ("my_memset")); +extern void bzero (void *, size_t) + __asm (ASMNAME ("my_bzero")); +extern int memcmp (const void *, const void *, size_t); + +struct A { char c[32]; } a = { "foobar" }; +char x[64] = "foobar", y[64]; +int i = 39, j = 6, k = 4; + +extern int inside_main; + +void +main_test (void) +{ + struct A b = a; + struct A c = { { 'x' } }; + + inside_main = 1; + + if (memcmp (b.c, x, 32) || c.c[0] != 'x' || memcmp (c.c + 1, x + 32, 31)) + abort (); + if (__builtin_memcpy (y, x, i) != y || memcmp (x, y, 64)) + abort (); + if (memcpy (y + 6, x, j) != y + 6 + || memcmp (x, y, 6) || memcmp (x, y + 6, 58)) + abort (); + if (__builtin_memset (y + 2, 'X', k) != y + 2 + || memcmp (y, "foXXXXfoobar", 13)) + abort (); + bcopy (y + 1, y + 2, 6); + if (memcmp (y, "fooXXXXfobar", 13)) + abort (); + __builtin_bzero (y + 4, 2); + if (memcmp (y, "fooX\0\0Xfobar", 13)) + abort (); +} |