[Bug tree-optimization/34864] array constants after inlining and "staticification"

2008-02-14 Thread tbptbp at gmail dot com
--- Comment #6 from tbptbp at gmail dot com 2008-02-14 10:30 --- Well, this was my best attempt so far at cornering that issue. I'm gonna wave a dead chicken and try another attack vector. Sigh. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34864

[Bug tree-optimization/34864] array constants after inlining and "staticification"

2008-02-14 Thread rguenther at suse dot de
--- Comment #5 from rguenther at suse dot de 2008-02-14 10:14 --- Subject: Re: array constants after inlining and "staticification" On Thu, 14 Feb 2008, tbptbp at gmail dot com wrote: > --- Comment #4 from tbptbp at gmail dot com 2008-02-14 10:02 --- > Hmm. If i correctly un

[Bug tree-optimization/34864] array constants after inlining and "staticification"

2008-02-14 Thread tbptbp at gmail dot com
--- Comment #4 from tbptbp at gmail dot com 2008-02-14 10:02 --- Hmm. If i correctly understand what you're saying, *cough*, ldexp should be immune to this missed-folding-because-a-builtin-isn't-recognized-as-such; but in the original code that lead to PR34774 there's nothing but ldexp,

[Bug tree-optimization/34864] array constants after inlining and "staticification"

2008-02-14 Thread rguenth at gcc dot gnu dot org
--- Comment #3 from rguenth at gcc dot gnu dot org 2008-02-14 09:13 --- It's probably still the same issue - in initializers we only fold builtin functions, where the std:: variants are not recognized as such (they are wrapper functions around the builtin). So this gets folded only afte

[Bug tree-optimization/34864] array constants after inlining and "staticification"

2008-01-19 Thread tbptbp at gmail dot com
--- Comment #2 from tbptbp at gmail dot com 2008-01-19 17:56 --- Gah. Seems that i've managed to hit another issue than what i was after with my simplistic testcase then, because in the original code there's no array anywhere - but static definitions - and i get calls to ldexpf (at runti

[Bug tree-optimization/34864] array constants after inlining and "staticification"

2008-01-19 Thread pinskia at gcc dot gnu dot org
--- Comment #1 from pinskia at gcc dot gnu dot org 2008-01-19 12:04 --- It is constant folded but not until after inlining. A simplier example is: static inline int f(int a) { return a+2; } int g(int a) { const int b[] = {f(1), f(2), f(3) }; return b[a]; } int g1(int a) { const