From 81617385f7d430beaa1a56eb76fb44a4912b96ab Mon Sep 17 00:00:00 2001 From: "Kaveh R. Ghazi" Date: Mon, 18 Dec 2006 22:45:56 +0000 Subject: [PATCH] builtin-pow-mpfr-1.c: New test. * gcc.dg/torture/builtin-pow-mpfr-1.c: New test. From-SVN: r120018 --- gcc/testsuite/ChangeLog | 4 ++++ .../gcc.dg/torture/builtin-pow-mpfr-1.c | 19 +++++++++++++++++++ 2 files changed, 23 insertions(+) create mode 100644 gcc/testsuite/gcc.dg/torture/builtin-pow-mpfr-1.c diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 5819595d2dff..8a591530f5dc 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,7 @@ +2006-12-18 Kaveh R. Ghazi + + * gcc.dg/torture/builtin-pow-mpfr-1.c: New test. + 2006-12-18 Brooks Moses * gfortran.dg/advance_3.f90: Add dg-do compile directive. diff --git a/gcc/testsuite/gcc.dg/torture/builtin-pow-mpfr-1.c b/gcc/testsuite/gcc.dg/torture/builtin-pow-mpfr-1.c new file mode 100644 index 000000000000..6206b9ee3d2a --- /dev/null +++ b/gcc/testsuite/gcc.dg/torture/builtin-pow-mpfr-1.c @@ -0,0 +1,19 @@ +/* Version 2.2.0 of MPFR had bugs in pow underflow/overflow. This + test checks to see if that buggy version was installed. The + problem is NOT fixed with the version 2.2.0 "cumulative patch". + However it is fixed in version 2.2.1 and presumably later MPFR + versions. + + Origin: Kaveh R. Ghazi 12/17/2006. */ + +/* { dg-do compile } */ +/* { dg-options "-fdump-tree-original" } */ + +extern double testit() +{ + /* This underflows and therefore gcc should not fold it. */ + return __builtin_pow (0.11, 1.0e38); +} + +/* { dg-final { scan-tree-dump "pow" "original" } } */ +/* { dg-final { cleanup-tree-dump "original" } } */ -- 2.47.2