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| author | dalej <dalej@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-10-05 17:29:41 +0000 |
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| committer | dalej <dalej@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-10-05 17:29:41 +0000 |
| commit | b7ad29391f978cb10d48ec8f8e28dc0b5a95e5f4 (patch) | |
| tree | adf749950f317fb0643a322ff56d041135095cf0 /gcc/convert.c | |
| parent | 94f2a819bc24d2b318cee1c5ca342c21294a2e01 (diff) | |
| download | gcc-b7ad29391f978cb10d48ec8f8e28dc0b5a95e5f4.tar.gz | |
2005-10-05 Dale Johannesen <dalej@apple.com>
* convert.c (convert_to_real): Don't convert
(float)floor(double d) to floorf((float)d).
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@105006 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/convert.c')
| -rw-r--r-- | gcc/convert.c | 32 |
1 files changed, 3 insertions, 29 deletions
diff --git a/gcc/convert.c b/gcc/convert.c index 5ddae361982..471d93db562 100644 --- a/gcc/convert.c +++ b/gcc/convert.c @@ -200,35 +200,9 @@ convert_to_real (tree type, tree expr) break; } } - if (optimize - && (((fcode == BUILT_IN_FLOORL - || fcode == BUILT_IN_CEILL - || fcode == BUILT_IN_ROUNDL - || fcode == BUILT_IN_RINTL - || fcode == BUILT_IN_TRUNCL - || fcode == BUILT_IN_NEARBYINTL) - && (TYPE_MODE (type) == TYPE_MODE (double_type_node) - || TYPE_MODE (type) == TYPE_MODE (float_type_node))) - || ((fcode == BUILT_IN_FLOOR - || fcode == BUILT_IN_CEIL - || fcode == BUILT_IN_ROUND - || fcode == BUILT_IN_RINT - || fcode == BUILT_IN_TRUNC - || fcode == BUILT_IN_NEARBYINT) - && (TYPE_MODE (type) == TYPE_MODE (float_type_node))))) - { - tree fn = mathfn_built_in (type, fcode); - - if (fn) - { - tree arg0 = strip_float_extensions (TREE_VALUE (TREE_OPERAND (expr, - 1))); - tree arglist = build_tree_list (NULL_TREE, - fold (convert_to_real (type, arg0))); - - return build_function_call_expr (fn, arglist); - } - } + /* This code formerly changed (float)floor(double d) to + floorf((float)d). This is incorrect, because (float)d uses + round-to-nearest and can round up to the next integer. */ /* Propagate the cast into the operation. */ if (itype != type && FLOAT_TYPE_P (type)) |