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[Patch/expand] Cost instruction sequences when doing left wide shift
authorJiong Wang <jiong.wang@arm.com>
Thu, 10 Sep 2015 10:37:17 +0000 (10:37 +0000)
committerJiong Wang <jiwang@gcc.gnu.org>
Thu, 10 Sep 2015 10:37:17 +0000 (10:37 +0000)
commitfc4d140a5ce4b45523b9616634cfd5e0912115cc
treee84aa112c9681d409599556739ef87d07606ee5atree
parentfb155425c4cd07dcc0326aae14d094c1078ce62ecommit | diff
[Patch/expand] Cost instruction sequences when doing left wide shift

Patch background details:

    https://gcc.gnu.org/ml/gcc-patches/2015-08/msg01147.html

gcc/
  PR rtl-optimization/67421
  * expr.c (expand_expr_real_2): Cost instrcution sequences when doing left wide
  shift tranformation.

From-SVN: r227629
gcc/ChangeLog diff | blob | history
gcc/expr.c diff | blob | history