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Backport from mainline
authorkyukhin <kyukhin@138bc75d-0d04-0410-961f-82ee72b054a4>
Fri, 31 Aug 2012 16:23:33 +0000 (16:23 +0000)
committerkyukhin <kyukhin@138bc75d-0d04-0410-961f-82ee72b054a4>
Fri, 31 Aug 2012 16:23:33 +0000 (16:23 +0000)
        2012-08-23  Yuri Rumyantsev  <ysrumyan@gmail.com>

        * config/i386/i386.c (ia32_multipass_dfa_lookahead) : Add
        case for Atom processor.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@190837 138bc75d-0d04-0410-961f-82ee72b054a4

gcc/ChangeLog
gcc/config/i386/i386.c

index 2efef8a..f77604d 100644 (file)
@@ -1,3 +1,11 @@
+2012-08-31  Kirill Yukhin  <kirill.yukhin@intel.com>
+
+       Backport from mainline
+       2012-08-23  Yuri Rumyantsev  <ysrumyan@gmail.com>
+
+       * config/i386/i386.c (ia32_multipass_dfa_lookahead) : Add
+       case for Atom processor.
+
 2012-08-28  Uros Bizjak  <ubizjak@gmail.com>
 
        Backport from mainline
index 75d8832..7d86bbb 100644 (file)
@@ -23842,6 +23842,7 @@ ia32_multipass_dfa_lookahead (void)
     case PROCESSOR_CORE2_64:
     case PROCESSOR_COREI7_32:
     case PROCESSOR_COREI7_64:
+    case PROCESSOR_ATOM:
       /* Generally, we want haifa-sched:max_issue() to look ahead as far
         as many instructions can be executed on a cycle, i.e.,
         issue_rate.  I wonder why tuning for many CPUs does not do this.  */