[Bug tree-optimization/53647] [4.8 Regression] gcc.c-torture/compile/20011229-1.c and gcc.c-torture/compile/pr25311.c

[hjl at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53647

--- Comment #13 from hjl at gcc dot gnu.org <hjl at gcc dot gnu.org> 2012-06-13 17:47:11 UTC ---
Author: hjl
Date: Wed Jun 13 17:46:59 2012
New Revision: 188523

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=188523
Log:
Set cache values from -mtune

    PR target/53647
    * config/i386/i386.c (ix86_tune_cost): New variable.
    (ix86_option_override_internal): Set ix86_tune_cost.  Use
    ix86_tune_cost for simultaneous_prefetches, prefetch_block,
    l1_cache_size and l2_cache_size.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/i386.c