diff options
Diffstat (limited to 'gcc/testsuite/gcc.c-torture/execute/pr19005.c')
-rw-r--r-- | gcc/testsuite/gcc.c-torture/execute/pr19005.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/execute/pr19005.c b/gcc/testsuite/gcc.c-torture/execute/pr19005.c new file mode 100644 index 000000000..c36b38814 --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/execute/pr19005.c @@ -0,0 +1,38 @@ +/* PR target/19005 */ +extern void abort (void); + +int v, s; + +void +bar (int a, int b) +{ + unsigned char x = v; + + if (!s) + { + if (a != x || b != (unsigned char) (x + 1)) + abort (); + } + else if (a != (unsigned char) (x + 1) || b != x) + abort (); + s ^= 1; +} + +int +foo (int x) +{ + unsigned char a = x, b = x + 1; + + bar (a, b); + a ^= b; b ^= a; a ^= b; + bar (a, b); + return 0; +} + +int +main (void) +{ + for (v = -10; v < 266; v++) + foo (v); + return 0; +} |