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| author | Uros Bizjak <ubizjak@gmail.com> | 2007-06-11 11:09:24 +0200 |
|---|---|---|
| committer | Uros Bizjak <uros@gcc.gnu.org> | 2007-06-11 11:09:24 +0200 |
| commit | f1da2df1e9642bc8660abcd83af2ad8980d42ce0 (patch) | |
| tree | f2a31a94dd3b7deafbd6738b40a6ea25123d51a0 /gcc/testsuite/gcc.dg/builtins-11.c | |
| parent | 93e17a25c4dd862cb3f6439f1cb1df2374439c59 (diff) | |
| download | gcc-f1da2df1e9642bc8660abcd83af2ad8980d42ce0.zip gcc-f1da2df1e9642bc8660abcd83af2ad8980d42ce0.tar.gz gcc-f1da2df1e9642bc8660abcd83af2ad8980d42ce0.tar.bz2 | |
re PR middle-end/32279 (Fold 1.0/sqrt(x/y) to sqrt(y/x))
PR middle-end/32279
* fold-const (fold_binary) [RDIV_EXPR]: Optimize a/sqrt(b/c)
into a*sqrt(c/b) if flag_unsafe_math_optimizations is set.
testsuite/ChangeLog:
PR middle-end/32279
* gcc.dg/builtins-11.c: Also check folding of a/sqrt(b/c).
From-SVN: r125614
Diffstat (limited to 'gcc/testsuite/gcc.dg/builtins-11.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/builtins-11.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/gcc/testsuite/gcc.dg/builtins-11.c b/gcc/testsuite/gcc.dg/builtins-11.c index a2ff257..ba46892 100644 --- a/gcc/testsuite/gcc.dg/builtins-11.c +++ b/gcc/testsuite/gcc.dg/builtins-11.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2003 Free Software Foundation. +/* Copyright (C) 2003,2007 Free Software Foundation. Check that constant folding of built-in math functions doesn't break anything and produces the expected results. @@ -36,6 +36,9 @@ void test(double x, double y, double z) if (x/pow(y,z) != x*pow(y,-z)) link_error (); + + if (x/sqrt(y/z) != x*sqrt(z/y)) + link_error (); } int main() |