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author | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
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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-10.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-10.c')
-rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/builtins-10.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/builtins-10.c b/gcc-4.9/gcc/testsuite/gcc.dg/builtins-10.c new file mode 100644 index 000000000..1b141fda2 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/builtins-10.c @@ -0,0 +1,55 @@ +/* Copyright (C) 2003 Free Software Foundation. + + Check that constant folding of built-in math functions doesn't + break anything and produces the expected results. + + Written by Roger Sayle, 2nd April 2003. */ + +/* { dg-do link } */ +/* { dg-options "-O2 -ffast-math" } */ + +extern void link_error(void); + +extern double exp(double); +extern double log(double); +extern double sqrt(double); +extern double pow(double,double); +extern double fabs(double); + +void test(double x) +{ + if (sqrt(pow(x,4.0)) != x*x) + link_error (); + + if (pow(sqrt(x),4.0) != x*x) + link_error (); + + if (pow(pow(x,4.0),0.25) != x) + /* XFAIL. PR41098. */; +} + +void test2(double x, double y, double z) +{ + if (sqrt(pow(x,y)) != pow(fabs(x),y*0.5)) + link_error (); + + if (log(pow(x,y)) != y*log(x)) + link_error (); + + if (pow(exp(x),y) != exp(x*y)) + link_error (); + + if (pow(sqrt(x),y) != pow(x,y*0.5)) + link_error (); + + if (pow(pow(fabs(x),y),z) != pow(fabs(x),y*z)) + link_error (); +} + +int main() +{ + test (2.0); + test2 (2.0, 3.0, 4.0); + return 0; +} + |