------- Comment #8 from pinskia at gmail dot com 2007-03-23 07:57 ------- Subject: Re: [4.2 Regression] FRE ignores bit-field truncation (C and C++ front-end don't produce bit-field truncation
On 23 Mar 2007 05:01:00 -0000, spark at gcc dot gnu dot org <[EMAIL PROTECTED]> wrote: > The problematic STRIP_SIGN_NOPS() call is from fold_unary() > which is called from try_combine_conversion() in tree-ssa-pre.c. > > STRIP_SIGN_NOPS() is called with the expression: No, STRIP_SIGN_NOPS is correct, just fold_unary is incorrect in its folding. It should have called fold_convert on the expression if the types are different and it is a constant. -- Pinski -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31136
