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(parent: 1358a74) | patch
Update MOVE_RATIO cost for IA MCU
authorH.J. Lu <hongjiu.lu@intel.com>
Mon, 24 Aug 2015 15:24:44 +0000 (15:24 +0000)
committerH.J. Lu <hjl@gcc.gnu.org>
Mon, 24 Aug 2015 15:24:44 +0000 (08:24 -0700)
commit03541b0d44b3a91357612de33229e31999e94f84
tree41ad8be694f1c00833f40ea0d94956cfb79276cetree
parent1358a747957c9f9bd64126c297740621bee4c6b2commit | diff
Update MOVE_RATIO cost for IA MCU

This patch updates MOVE_RATIO cost for IA MCU from 6 to 9 so that we
can unroll the loop completely for DOM with -mtune=iamcu.

gcc/

PR target/67329
* config/i386/i386.c (iamcu_cost): Set MOVE_RATIO cost to 9.

gcc/testsuite/

PR target/67329
* gcc.target/i386/pr67329.c: New test.

From-SVN: r227132
gcc/ChangeLog diff | blob | history
gcc/config/i386/i386.c diff | blob | history
gcc/testsuite/ChangeLog diff | blob | history
gcc/testsuite/gcc.target/i386/pr67329.c [new file with mode: 0644] blob