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| author | J"orn Rennecke <amylaar@cygnus.co.uk> | 1997-11-14 00:38:08 +0000 |
|---|---|---|
| committer | Joern Rennecke <amylaar@gcc.gnu.org> | 1997-11-14 00:38:08 +0000 |
| commit | 9f29ca789b773476c2a756542d0a0771edb2c047 (patch) | |
| tree | 9dc2e4d442a211f08d462a97bd93d8789bca462c /gcc | |
| parent | 41c9120baf04bf432d39a11298f2550292581922 (diff) | |
| download | gcc-9f29ca789b773476c2a756542d0a0771edb2c047.zip gcc-9f29ca789b773476c2a756542d0a0771edb2c047.tar.gz gcc-9f29ca789b773476c2a756542d0a0771edb2c047.tar.bz2 | |
* fold-const.c (fold_truthop): Fix bug in last change.
From-SVN: r16473
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/fold-const.c | 4 |
2 files changed, 6 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 12cac79..c707052 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +Thu Nov 13 23:33:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk> + + * fold-const.c (fold_truthop): Fix bug in last change. + 1997-11-13 Paul Eggert <eggert@twinsun.com> Fix some confusion with IEEE minus zero. diff --git a/gcc/fold-const.c b/gcc/fold-const.c index 4b4c5e1..0f5a19f 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -3425,7 +3425,7 @@ fold_truthop (code, truth_type, lhs, rhs) { if (l_const && integer_zerop (l_const) && integer_pow2p (ll_mask)) { - if (ll_unsignedp) + if (ll_unsignedp || tree_log2 (ll_mask) + 1 < ll_bitsize) l_const = ll_mask; else /* Since ll_arg is a single bit bit mask, we can sign extend @@ -3443,7 +3443,7 @@ fold_truthop (code, truth_type, lhs, rhs) { if (r_const && integer_zerop (r_const) && integer_pow2p (rl_mask)) { - if (rl_unsignedp) + if (rl_unsignedp || tree_log2 (rl_mask) + 1 < rl_bitsize) r_const = rl_mask; else /* This is analogous to the code for l_const above. */ |