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| author | Roger Sayle <roger@eyesopen.com> | 2003-01-15 17:40:26 +0000 |
|---|---|---|
| committer | Roger Sayle <sayle@gcc.gnu.org> | 2003-01-15 17:40:26 +0000 |
| commit | 03cd8aba32349dbbf5f2ccb9bddadd2bccaefd1b (patch) | |
| tree | 81f71c4ac11c1ee3a6504b15060bf6ffe8cf4a6d /gcc/builtins.c | |
| parent | 4da782145bc9e183bc091995ab3cd77e2dffd551 (diff) | |
| download | gcc-03cd8aba32349dbbf5f2ccb9bddadd2bccaefd1b.zip gcc-03cd8aba32349dbbf5f2ccb9bddadd2bccaefd1b.tar.gz gcc-03cd8aba32349dbbf5f2ccb9bddadd2bccaefd1b.tar.bz2 | |
real.c (real_sqrt): Return a bool result indicating whether a floating point exception or trap...
* real.c (real_sqrt): Return a bool result indicating whether
a floating point exception or trap should be raised.
* real.h (real_sqrt): Update function prototype.
* builtins.c (fold_builtin): Only fold non-trapping square
roots unless we're ignoring errno and trapping math.
From-SVN: r61337
Diffstat (limited to 'gcc/builtins.c')
| -rw-r--r-- | gcc/builtins.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/gcc/builtins.c b/gcc/builtins.c index 7c9d999..ffa09f9 100644 --- a/gcc/builtins.c +++ b/gcc/builtins.c @@ -1,6 +1,6 @@ /* Expand builtin functions. - Copyright (C) 1988, 1992, 1993, 1994, 1995, 1996, 1997, 1998, - 1999, 2000, 2001, 2002 Free Software Foundation, Inc. + Copyright (C) 1988, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, + 2000, 2001, 2002, 2003 Free Software Foundation, Inc. This file is part of GCC. @@ -4308,11 +4308,9 @@ fold_builtin (exp) x = TREE_REAL_CST (arg); mode = TYPE_MODE (TREE_TYPE (arg)); - if (!HONOR_SNANS (mode) || !real_isnan (&x)) - { - real_sqrt (&r, mode, &x); + if (real_sqrt (&r, mode, &x) + || (!flag_trapping_math && !flag_errno_math)) return build_real (TREE_TYPE (arg), r); - } } /* Optimize sqrt(exp(x)) = exp(x/2.0). */ |