[go] cmd/compile: remove HI LO mips support from regalloc

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Gopher Robot (Gerrit)

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Jul 25, 2026, 9:25:06 AM (yesterday) Jul 25

to Jorropo, goph...@pubsubhelper.golang.org, golang-...@googlegroups.com, David Chase, Keith Randall, Keith Randall, golang...@luci-project-accounts.iam.gserviceaccount.com, Martin Möhrmann, golang-co...@googlegroups.com

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Change information

Commit message:

cmd/compile: remove HI LO mips support from regalloc

This is a plain lie but the alternative would be to
make HI LO incompatible with load store and spilling
but this requires a register allocator for the register allocator,
which would be complex and low ROI.

Change-Id: Idf53dc619bcf40afcdac5142efa7f6f43b63a9df

Reviewed-on: https://go-review.googlesource.com/c/go/+/805460

LUCI-TryBot-Result: golang...@luci-project-accounts.iam.gserviceaccount.com <golang...@luci-project-accounts.iam.gserviceaccount.com>

Auto-Submit: Jorropo <jorro...@gmail.com>

Reviewed-by: Keith Randall <k...@google.com>

Reviewed-by: David Chase <drc...@google.com>

Reviewed-by: Keith Randall <k...@golang.org>

Files:

M src/cmd/compile/internal/mips/ssa.go
M src/cmd/compile/internal/mips64/ssa.go
M src/cmd/compile/internal/ssa/_gen/MIPS64Ops.go
M src/cmd/compile/internal/ssa/_gen/MIPSOps.go
M src/cmd/compile/internal/ssa/opGen.go

Change size: L

Delta: 5 files changed, 153 insertions(+), 242 deletions(-)

Branch: refs/heads/master

Submit Requirements:

Code-Review: +2 by David Chase, +1 by Keith Randall, +2 by Keith Randall
TryBots-Pass: LUCI-TryBot-Result+1 by golang...@luci-project-accounts.iam.gserviceaccount.com

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