diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/torture/pr24257.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/torture/pr24257.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/torture/pr24257.c b/gcc/testsuite/gcc.dg/torture/pr24257.c new file mode 100644 index 000000000..d685df63d --- /dev/null +++ b/gcc/testsuite/gcc.dg/torture/pr24257.c @@ -0,0 +1,26 @@ +/* { dg-do compile } */ +/* { dg-options "-fgcse -fgcse-sm" } */ + +typedef struct A { + int buf, left; +} A; + +static void flush(A *s, int n) +{ + s->buf <<= n; + + while (s->left < 32) { + s->buf <<= 8; + s->left += 8; + } + + s->buf=0; +} + +void oof(A *s, int n) +{ + s->buf = n; + s->left = n; + + flush(s, n); +} |