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| author | zadeck <zadeck@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-12-02 19:56:40 +0000 |
|---|---|---|
| committer | zadeck <zadeck@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-12-02 19:56:40 +0000 |
| commit | 77d15f371fb1e5a4dcb0459bd85ca97d9c2faace (patch) | |
| tree | 3a4bea6c6281bbf7bddaea5765c398677533c773 /gcc/fold-const.c | |
| parent | d1314cdbf23748ad5c8f42ecab0f7260d8af470a (diff) | |
| download | gcc-77d15f371fb1e5a4dcb0459bd85ca97d9c2faace.tar.gz | |
[wide-int] remove wi::mul_high
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/wide-int@205599 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/fold-const.c')
| -rw-r--r-- | gcc/fold-const.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/gcc/fold-const.c b/gcc/fold-const.c index 3456e1fd2bf..5f8b05dbe12 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -5962,11 +5962,12 @@ extract_muldiv_1 (tree t, tree c, enum tree_code code, tree wide_type, assuming no overflow. */ if (tcode == code) { - bool overflow_p; + bool overflow_p = false; + bool overflow_mul_p; signop sign = TYPE_SIGN (ctype); - wide_int mul = wi::mul_full (op1, c, sign); + wide_int mul = wi::mul (op1, c, sign, &overflow_mul_p); overflow_p = TREE_OVERFLOW (c) | TREE_OVERFLOW (op1); - if (!wi::fits_to_tree_p (mul, ctype) + if (overflow_mul_p && ((sign == UNSIGNED && tcode != MULT_EXPR) || sign == SIGNED)) overflow_p = true; if (!overflow_p) |