Back port upstream patch r153779 for cortex-a9. 22/19522/1 master
authorJing Yu <jingyu@google.com>
Thu, 16 Dec 2010 01:42:34 +0000 (17:42 -0800)
committerJing Yu <jingyu@google.com>
Thu, 16 Dec 2010 01:42:34 +0000 (17:42 -0800)
commit10341f1e9597f24ea360971c9b3aac4f9047bbd1
tree6e5042fbc24d7cb8140e8f8aa5a970521512e01e
parent2f2d3b42b0ea0c4871518c7b6176bd2b55ae527d
Back port upstream patch r153779 for cortex-a9.

The patch gives more detailed description of cortex-A9's
pipeline. It in general improves performance on Cortex-A9.
Use -mtune=cortex-a9 to take advantage of this feature.

Change-Id: I803daa6631272a0dae3514b378b9f611b8fd2b54
gcc-4.4.3/README.google
gcc-4.4.3/gcc/config/arm/cortex-a9.md