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| author | Felix Yang <felix.yang@huawei.com> | 2014-10-30 21:37:45 +0000 |
|---|---|---|
| committer | Sterling Augustine <sterling@gcc.gnu.org> | 2014-10-30 21:37:45 +0000 |
| commit | 6383386a1b77bd5cda40ca0138adfc2365d5479d (patch) | |
| tree | 5b54fa65e69a2cb65d5ef27190e65af9c15593b7 /gcc/tree-vrp.c | |
| parent | 77893d0b7564bdab6e32d1efeda825c5b64c53b1 (diff) | |
| download | gcc-6383386a1b77bd5cda40ca0138adfc2365d5479d.zip gcc-6383386a1b77bd5cda40ca0138adfc2365d5479d.tar.gz gcc-6383386a1b77bd5cda40ca0138adfc2365d5479d.tar.bz2 | |
Add zero-cost loops for xtensa port.
2014-10-10 Felix Yang <felix.yang@huawei.com>
* config/xtensa/xtensa.h (TARGET_LOOPS): New Macro.
* config/xtensa/xtensa.c: Include dumpfile.h and hw-doloop.h.
(xtensa_reorg, xtensa_reorg_loops): New.
(xtensa_can_use_doloop_p, xtensa_invalid_within_doloop): New.
(hwloop_optimize, hwloop_fail, hwloop_pattern_reg): New.
(xtensa_emit_loop_end): Emit the zero-overhead loop end label.
(xtensa_doloop_hooks): Define.
* config/xtensa/xtensa.md (doloop_end, loop_end): New
(zero_cost_loop_start): Rewritten.
(zero_cost_loop_end): Likewise.
From-SVN: r216945
Diffstat (limited to 'gcc/tree-vrp.c')
0 files changed, 0 insertions, 0 deletions