diff options
Diffstat (limited to 'gcc/testsuite/gcc.target/arm/pr43698.c')
-rw-r--r-- | gcc/testsuite/gcc.target/arm/pr43698.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/arm/pr43698.c b/gcc/testsuite/gcc.target/arm/pr43698.c new file mode 100644 index 000000000..407cf7eac --- /dev/null +++ b/gcc/testsuite/gcc.target/arm/pr43698.c @@ -0,0 +1,38 @@ +/* { dg-do run } */ +/* { dg-options "-Os -march=armv7-a" } */ +#include <stdint.h> +#include <stdlib.h> + + +char do_reverse_endian = 0; + +# define bswap_32(x) \ + ((((x) & 0xff000000) >> 24) | \ + (((x) & 0x00ff0000) >> 8) | \ + (((x) & 0x0000ff00) << 8) | \ + (((x) & 0x000000ff) << 24)) + +#define EGET(X) \ + (__extension__ ({ \ + uint64_t __res; \ + if (!do_reverse_endian) { __res = (X); \ + } else if (sizeof(X) == 4) { __res = bswap_32((X)); \ + } \ + __res; \ + })) + +void __attribute__((noinline)) X(char **phdr, char **data, int *phoff) +{ + *phdr = *data + EGET(*phoff); +} + +int main() +{ + char *phdr; + char *data = (char *)0x40164000; + int phoff = 0x34; + X(&phdr, &data, &phoff); + if (phdr != (char *)0x40164034) + abort (); + exit (0); +} |