[Bug rtl-optimization/45912] [4.6 regression] Patch for PR tree-optimization/44972 caused 2500+ FAILs on Solaris 2/SPARC

[ebotcazou at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45912

--- Comment #6 from Eric Botcazou <ebotcazou at gcc dot gnu.org> 2010-10-13 
21:43:44 UTC ---
Author: ebotcazou
Date: Wed Oct 13 21:43:42 2010
New Revision: 165437

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=165437
Log:
    PR rtl-optimization/45912
    * ira-costs.c (ira_tune_allocno_costs_and_cover_classes): Test the
    regno of registers instead of their index to compute the alignment.

Added:
    trunk/gcc/testsuite/gcc.c-torture/execute/20101013-1.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/ira-costs.c
    trunk/gcc/testsuite/ChangeLog