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[AArch64] Add a commutativity marker to the SVE [SU]ABD patterns 

This will be tested by the ACLE patches, but it's really an
independent improvement.

2019-08-15  Richard Sandiford  <richard.sandiford@arm.com>

gcc/
	* config/aarch64/aarch64-sve.md (aarch64_<su>abd<mode>_3): Add
	a commutativity marker.

From-SVN: r274510
This commit is contained in:
Richard Sandiford 2019-08-15 08:25:47 +00:00 committed by Richard Sandiford
parent b6c3aea189
commit 9a8d9b3f24
2 changed files with 6 additions and 1 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2019-08-15 Richard Sandiford <richard.sandiford@arm.com>
* config/aarch64/aarch64-sve.md (aarch64_<su>abd<mode>_3): Add
a commutativity marker.
2019-08-15 Richard Sandiford <richard.sandiford@arm.com>
Kugan Vivekanandarajah <kugan.vivekanandarajah@linaro.org>

2
gcc/config/aarch64/aarch64-sve.md
View File

@ -2060,7 +2060,7 @@
[(match_operand:<VPRED> 1 "register_operand" "Upl, Upl")
(minus:SVE_I
(USMAX:SVE_I
(match_operand:SVE_I 2 "register_operand" "0, w")
(match_operand:SVE_I 2 "register_operand" "%0, w")
(match_operand:SVE_I 3 "register_operand" "w, w"))
(<max_opp>:SVE_I
(match_dup 2)