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r186331 - in /branches/google/main/gcc: ChangeL...
- From: tejohnson at gcc dot gnu dot org
- To: gcc-cvs at gcc dot gnu dot org
- Date: Wed, 11 Apr 2012 17:17:47 -0000
- Subject: r186331 - in /branches/google/main/gcc: ChangeL...
Author: tejohnson
Date: Wed Apr 11 17:17:46 2012
New Revision: 186331
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=186331
Log:
Revert r182254 since it is subsumed by r186176 on trunk.
Limit unrolling of loops with LCP stalling instructions on Core i7
so that they will fit into the LSD.
* loop-unroll.c (decide_unroll_constant_iterations): Call loop
unroll target hook.
* config/i386/i386.c (ix86_loop_unroll_adjust): New function.
(TARGET_LOOP_UNROLL_ADJUST): Define hook for x86.
Modified:
branches/google/main/gcc/ChangeLog.google-main
branches/google/main/gcc/config/i386/i386.c
branches/google/main/gcc/loop-unroll.c