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| author | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
|---|---|---|
| committer | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
| commit | 1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch) | |
| tree | c607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/testsuite/gcc.dg/builtins-8.c | |
| parent | 283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff) | |
| download | toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.gz toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.bz2 toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.zip | |
Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/builtins-8.c')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/builtins-8.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/builtins-8.c b/gcc-4.9/gcc/testsuite/gcc.dg/builtins-8.c new file mode 100644 index 000000000..95c17e72f --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/builtins-8.c @@ -0,0 +1,42 @@ +/* Copyright (C) 2003, 2006 Free Software Foundation. + + Verify that built-in math function constant folding of functions + with one constant argument is correctly performed by the compiler. + + Written by Roger Sayle, 30th March 2003. */ + +/* { dg-do run } */ +/* { dg-options "-O2 -ffast-math" } */ + +extern void abort(void); +extern double pow(double, double); +extern double sqrt(double); +extern double cbrt(double); + +void test(double x) +{ + if (pow(x,-1.0) != 1.0/x) + abort (); + + if (pow(x,2.0) != x*x) + abort (); + + if (pow(x,-2.0) != 1.0/(x*x)) + abort (); + + if (pow(x,0.5) != sqrt(x)) + abort (); + +#ifdef HAVE_C99_RUNTIME + if (pow(x,1.0/3.0) != cbrt(x)) + abort (); +#endif +} + +int main() +{ + test (1.0); + test (2.0); + return 0; +} + |