From 0b0b07504cd9fa9f95bbdb88a2a555960399713c Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Fri, 14 Jun 2002 17:43:20 -0700 Subject: [PATCH] New. From-SVN: r54630 --- .../gcc.c-torture/execute/20020614-1.c | 41 +++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 gcc/testsuite/gcc.c-torture/execute/20020614-1.c diff --git a/gcc/testsuite/gcc.c-torture/execute/20020614-1.c b/gcc/testsuite/gcc.c-torture/execute/20020614-1.c new file mode 100644 index 00000000000..bcbaed8ae8e --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/execute/20020614-1.c @@ -0,0 +1,41 @@ +/* PR c/6677 */ +/* Verify that GCC doesn't perform illegal simplifications + when folding constants. */ + +#include + +extern void abort (void); +extern void exit (int); + +int main (void) +{ + int i; + signed char j; + unsigned char k; + + i = SCHAR_MAX; + + j = ((signed char) (i << 1)) / 2; + + if (j != -1) + abort(); + + j = ((signed char) (i * 2)) / 2; + + if (j != -1) + abort(); + + i = UCHAR_MAX; + + k = ((unsigned char) (i << 1)) / 2; + + if (k != UCHAR_MAX/2) + abort(); + + k = ((unsigned char) (i * 2)) / 2; + + if (k != UCHAR_MAX/2) + abort(); + + exit(0); +} -- 2.30.2