diff options
| author | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-02-07 13:24:38 +0000 |
|---|---|---|
| committer | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-02-07 13:24:38 +0000 |
| commit | bc33117f4102846bb8db37e5c37845ba65e3028c (patch) | |
| tree | f3c9b917a0f61ec5e98c3b1be02adc081d56f541 /gcc/testsuite/gcc.dg/builtins-10.c | |
| parent | 4d8203bc06c1d16f9ed6e23982085519e216fd25 (diff) | |
| download | gcc-bc33117f4102846bb8db37e5c37845ba65e3028c.tar.gz | |
2005-02-07 Richard Guenther <rguenth@gcc.gnu.org>
PR middle-end/19775
* builtins.c (fold_builtin_sqrt): Transform
sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
pow(x,y*0.5).
* gcc.dg/torture/builtin-power-1.c: Disable test for
invalid transformation.
* gcc.dg/builtins-10.c: Likewise. Disable one test we
no longer optimize.
* gcc.dg/builtins-47.c: New testcase.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@94701 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/testsuite/gcc.dg/builtins-10.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/builtins-10.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/gcc/testsuite/gcc.dg/builtins-10.c b/gcc/testsuite/gcc.dg/builtins-10.c index 9e5a4583fc3..53158a0f852 100644 --- a/gcc/testsuite/gcc.dg/builtins-10.c +++ b/gcc/testsuite/gcc.dg/builtins-10.c @@ -14,11 +14,12 @@ 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 (sqrt(pow(x,4.0)) != x*x) + link_error (); */ if (pow(sqrt(x),4.0) != x*x) link_error (); @@ -29,7 +30,7 @@ void test(double x) void test2(double x, double y, double z) { - if (sqrt(pow(x,y)) != pow(x,y*0.5)) + if (sqrt(pow(x,y)) != pow(fabs(x),y*0.5)) link_error (); if (log(pow(x,y)) != y*log(x)) |