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arc: Update doloop_end patterns
authorClaudiu Zissulescu <claziss@synopsys.com>
Wed, 9 Jun 2021 09:12:57 +0000 (12:12 +0300)
committerClaudiu Zissulescu <claziss@synopsys.com>
Wed, 9 Jun 2021 09:17:01 +0000 (12:17 +0300)
commit174e75a210753b68de0f2c398a13ace0f512e35b
tree5352af06de53e859836418519573e0612ca82cb8tree | snapshot
parentdd4778a59b4693777c732075021375e19eee6a76commit | diff
arc: Update doloop_end patterns

ARC processor can use LP instruction to implement zero overlay loops.
The current inplementation doesn't handle the unlikely situation when
the loop iterator is located in memory.  Refurbish the loop_end insn
pattern into a define_insn_and_split pattern.

gcc/
2021-07-09  Claudiu Zissulescu  <claziss@synopsys.com>

* config/arc/arc.md (loop_end): Change it to
define_insn_and_split.

Signed-off-by: Claudiu Zissulescu <claziss@synopsys.com>
gcc/config/arc/arc.md diff | blob | history
Domain: System / Toolchain;