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cmd/compile: disable mem+op operations on 386

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Rolling back portions of CL 222782 to see if that helps
issue #37881 any.

Update #37881

Change-Id: I9cc3ff8c469fa5e4b22daec715d04148033f46f7
Reviewed-on: https://go-review.googlesource.com/c/go/+/224837
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Bryan C. Mills <bcmills@google.com>
This commit is contained in:
Keith Randall 2020-03-22 13:27:02 -07:00
parent 5c9bd499e1
commit 3adbdb6d99
3 changed files with 17 additions and 59 deletions
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33
src/cmd/compile/internal/ssa/addressingmodes.go
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@ -204,22 +204,23 @@ var combine = map[[2]Op]Op{
[2]Op{Op386MOVWstoreconst, Op386LEAL2}: Op386MOVWstoreconstidx2,
[2]Op{Op386MOVLstoreconst, Op386LEAL1}: Op386MOVLstoreconstidx1,
[2]Op{Op386MOVLstoreconst, Op386LEAL4}: Op386MOVLstoreconstidx4,
/*
[2]Op{Op386ADDLload, Op386LEAL4}: Op386ADDLloadidx4,
[2]Op{Op386SUBLload, Op386LEAL4}: Op386SUBLloadidx4,
[2]Op{Op386MULLload, Op386LEAL4}: Op386MULLloadidx4,
[2]Op{Op386ANDLload, Op386LEAL4}: Op386ANDLloadidx4,
[2]Op{Op386ORLload, Op386LEAL4}: Op386ORLloadidx4,
[2]Op{Op386XORLload, Op386LEAL4}: Op386XORLloadidx4,
[2]Op{Op386ADDLload, Op386LEAL4}: Op386ADDLloadidx4,
[2]Op{Op386SUBLload, Op386LEAL4}: Op386SUBLloadidx4,
[2]Op{Op386MULLload, Op386LEAL4}: Op386MULLloadidx4,
[2]Op{Op386ANDLload, Op386LEAL4}: Op386ANDLloadidx4,
[2]Op{Op386ORLload, Op386LEAL4}: Op386ORLloadidx4,
[2]Op{Op386XORLload, Op386LEAL4}: Op386XORLloadidx4,
[2]Op{Op386ADDLmodify, Op386LEAL4}: Op386ADDLmodifyidx4,
[2]Op{Op386SUBLmodify, Op386LEAL4}: Op386SUBLmodifyidx4,
[2]Op{Op386ANDLmodify, Op386LEAL4}: Op386ANDLmodifyidx4,
[2]Op{Op386ORLmodify, Op386LEAL4}: Op386ORLmodifyidx4,
[2]Op{Op386XORLmodify, Op386LEAL4}: Op386XORLmodifyidx4,
[2]Op{Op386ADDLmodify, Op386LEAL4}: Op386ADDLmodifyidx4,
[2]Op{Op386SUBLmodify, Op386LEAL4}: Op386SUBLmodifyidx4,
[2]Op{Op386ANDLmodify, Op386LEAL4}: Op386ANDLmodifyidx4,
[2]Op{Op386ORLmodify, Op386LEAL4}: Op386ORLmodifyidx4,
[2]Op{Op386XORLmodify, Op386LEAL4}: Op386XORLmodifyidx4,
[2]Op{Op386ADDLconstmodify, Op386LEAL4}: Op386ADDLconstmodifyidx4,
[2]Op{Op386ANDLconstmodify, Op386LEAL4}: Op386ANDLconstmodifyidx4,
[2]Op{Op386ORLconstmodify, Op386LEAL4}: Op386ORLconstmodifyidx4,
[2]Op{Op386XORLconstmodify, Op386LEAL4}: Op386XORLconstmodifyidx4,
[2]Op{Op386ADDLconstmodify, Op386LEAL4}: Op386ADDLconstmodifyidx4,
[2]Op{Op386ANDLconstmodify, Op386LEAL4}: Op386ANDLconstmodifyidx4,
[2]Op{Op386ORLconstmodify, Op386LEAL4}: Op386ORLconstmodifyidx4,
[2]Op{Op386XORLconstmodify, Op386LEAL4}: Op386XORLconstmodifyidx4,
*/
}