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Diffstat (limited to 'gcc/testsuite/gcc.dg/builtins-24.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/builtins-24.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/builtins-24.c b/gcc/testsuite/gcc.dg/builtins-24.c new file mode 100644 index 000000000..41ec1889f --- /dev/null +++ b/gcc/testsuite/gcc.dg/builtins-24.c @@ -0,0 +1,35 @@ +/* Copyright (C) 2003 Free Software Foundation. + + Check that the RTL expansion of floating point exponentiation by + a constant integer doesn't break anything and produces the expected + results. + + Written by Roger Sayle, 20th June 2003. */ + +/* { dg-do run } */ +/* { dg-options "-O2 -ffast-math" } */ + +extern double pow(double,double); +extern void abort(void); + +double foo (double x) +{ + return pow (x, 6); +} + +double bar (double x) +{ + return pow (x, -4); +} + +int main() +{ + if (foo (2.0) != 64.0) + abort (); + + if (bar (2.0) != 0.0625) + abort (); + + return 0; +} + |