diff options
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.c-torture/compile/20020312-1.c')
-rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.c-torture/compile/20020312-1.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.c-torture/compile/20020312-1.c b/gcc-4.9/gcc/testsuite/gcc.c-torture/compile/20020312-1.c new file mode 100644 index 000000000..bac5c6a53 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.c-torture/compile/20020312-1.c @@ -0,0 +1,22 @@ +/* { dg-do assemble } */ +/* { dg-skip-if "" { pdp11-*-* } { "-O0" } { "" } } */ + +/* PR optimization/5892 */ +typedef struct { unsigned long a; unsigned int b, c; } A; +typedef struct { unsigned long a; A *b; int c; } B; + +static inline unsigned int +bar (unsigned int x) +{ + unsigned long r; + asm ("" : "=r" (r) : "0" (x)); + return r >> 31; +} + +int foo (B *x) +{ + A *y; + y = x->b; + y->b = bar (x->c); + y->c = ({ unsigned int z = 1; (z << 24) | (z >> 24); }); +} |