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Diffstat (limited to 'ChangeLog')
| -rw-r--r-- | ChangeLog | 12 |
1 files changed, 12 insertions, 0 deletions
@@ -1,3 +1,15 @@ +2007-08-19 Miguel Sofer <msofer@users.sf.net> + + * generic/tclExecute.c: changed the check for overflow in sums, + reducing objsize, number of branches and cache misses (according + to cachegrind). Non-overflow for s=a+b: + previous + ((a >= 0 || b >= 0 || s < 0) && (s >= 0 || b < 0 || a < 0)) + now + (((a^s) >= 0) || ((a^b) < 0)) + This expresses: "a and s have the same sign or else a and b have + different sign". + 2007-08-19 Donal K. Fellows <dkf@users.sf.net> * doc/interp.n (RESOURCE LIMITS): Added text to better explain why |