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| author | Jeffrey A Law <law@cygnus.com> | 1998-06-17 11:44:02 +0000 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 1998-06-17 05:44:02 -0600 |
| commit | dbecbbe48af59a29adadd6e6dc8895e64764adb4 (patch) | |
| tree | 5f8204f11538f0d3f56395877d68c0bbfd75f9b7 /gcc/fold-const.c | |
| parent | a5b8127eb13cce7fa4ddf8e4337f6e9fe67d1dc4 (diff) | |
| download | gcc-dbecbbe48af59a29adadd6e6dc8895e64764adb4.zip gcc-dbecbbe48af59a29adadd6e6dc8895e64764adb4.tar.gz gcc-dbecbbe48af59a29adadd6e6dc8895e64764adb4.tar.bz2 | |
expr.c (check_max_integer_computation_mode): New function.
* expr.c (check_max_integer_computation_mode): New function.
(expand_expr): Avoid integer computations in modes wider than
MAX_INTEGER_COMPUTATION_MODE.
* fold-const.c (fold): Likewise.
* tree.h (check_max_integer_computation_mode): Declare.
* tm.texi (MAX_INTEGER_COMPUTATION_MODE): Document it.
From-SVN: r20538
Diffstat (limited to 'gcc/fold-const.c')
| -rw-r--r-- | gcc/fold-const.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/fold-const.c b/gcc/fold-const.c index 5daa253..b75da2e 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -3797,6 +3797,10 @@ fold (expr) return t; } +#ifdef MAX_INTEGER_COMPUTATION_MODE + check_max_integer_computation_mode (expr); +#endif + kind = TREE_CODE_CLASS (code); if (code == NOP_EXPR || code == FLOAT_EXPR || code == CONVERT_EXPR) { |