[Bug rtl-optimization/45685] New: GCC optimizer for Intel x64 generates inefficient code

2010-09-15 Thread ekuznetsov at divxcorp dot com
duct: gcc Version: 4.4.3 Status: UNCONFIRMED Severity: normal Priority: P3 Component: rtl-optimization AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: ekuznetsov at divxcorp dot com http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45685

[Bug rtl-optimization/45685] GCC optimizer for Intel x64 generates inefficient code

2010-09-15 Thread ekuznetsov at divxcorp dot com
--- Comment #1 from ekuznetsov at divxcorp dot com 2010-09-16 01:18 --- Created an attachment (id=21807) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=21807&action=view) Sample code -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45685

[Bug rtl-optimization/45685] GCC optimizer for Intel x64 generates inefficient code

2010-09-16 Thread ekuznetsov at divxcorp dot com
--- Comment #3 from ekuznetsov at divxcorp dot com 2010-09-16 23:08 --- Created an attachment (id=21813) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=21813&action=view) Output of gcc -v -O3 gcc-bug.c -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45685

[Bug tree-optimization/45685] [4.6 Regression] missed conditional move opportunity in loop

2010-11-24 Thread ekuznetsov at divxcorp dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45685 --- Comment #13 from Eugene K. 2010-11-25 00:19:19 UTC --- Further down in that gimple code val_3 = [cond_expr] i_19 != D.2699_25 ? prephitmp.10_40 : val_4; prephitmp.11_43 = [cond_expr] i_19 != D.2699_25 ? prephitmp.11_41 : prephitmp.9_39; thi