Re: [PATCH] Remove directional rounding division negate folding

2014-04-11 Thread Jakub Jelinek
On Fri, Apr 11, 2014 at 01:03:51PM +0200, Richard Biener wrote: > Both premature (can't find or think of an existing place that would > rely on those) and bogus, - (4 /[fl] 5) isn't equal to (4 /[fl] -5). > Removing and not trying to fold into 4 /[cl] -5 as we have no good > way of creating testcas

Re: [PATCH] Remove directional rounding division negate folding

2014-04-11 Thread Richard Biener
On Fri, 11 Apr 2014, Richard Biener wrote: > > Both premature (can't find or think of an existing place that would > rely on those) and bogus, - (4 /[fl] 5) isn't equal to (4 /[fl] -5). > Removing and not trying to fold into 4 /[cl] -5 as we have no good > way of creating testcases (that also inc

[PATCH] Remove directional rounding division negate folding

2014-04-11 Thread Richard Biener
Both premature (can't find or think of an existing place that would rely on those) and bogus, - (4 /[fl] 5) isn't equal to (4 /[fl] -5). Removing and not trying to fold into 4 /[cl] -5 as we have no good way of creating testcases (that also include the negation). Bootstrap / regtest on x86_64-unk