diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/fold-overflow-1.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/fold-overflow-1.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/fold-overflow-1.c b/gcc/testsuite/gcc.dg/fold-overflow-1.c new file mode 100644 index 000000000..8fddc9fc0 --- /dev/null +++ b/gcc/testsuite/gcc.dg/fold-overflow-1.c @@ -0,0 +1,23 @@ +/* { dg-do compile } */ +/* { dg-skip-if "consts are shorts, not longs" { "m32c-*-*" "avr-*-*" } { "*" } { "" } } */ +/* { dg-skip-if "No Inf support" { spu-*-* } } */ +/* { dg-options "-O -ftrapping-math" } */ + +/* There should be exactly 2 +Inf in the assembly file. */ + +float f1 = __FLT_MAX__ + __FLT_MAX__; + +float foo1(void) +{ + return __FLT_MAX__ + __FLT_MAX__; +} + +float f2 = 1.0f/0.0f; + +float foo2(void) +{ + return 1.0f/0.0f; +} + +/* { dg-final { scan-assembler-times "2139095040" 2 { target { ! mmix-*-* } } } } */ +/* { dg-final { scan-assembler-times "#7f800000" 2 { target mmix-*-* } } } */ |