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| author | Austin Clements <austin@google.com> | 2021-03-15 16:48:54 -0400 |
|---|---|---|
| committer | Austin Clements <austin@google.com> | 2021-03-18 16:51:27 +0000 |
| commit | eaa1ddee84cfdfbd47183b03962744fea52624f0 (patch) | |
| tree | af4d26ddbbcba94950f64844141f5a9b04a56b2c /src/cmd/compile/internal/base | |
| parent | c71acbfe8372099877cdc989b546389b05222600 (diff) | |
| download | go-eaa1ddee84cfdfbd47183b03962744fea52624f0.tar.gz go-eaa1ddee84cfdfbd47183b03962744fea52624f0.zip | |
all: explode GOEXPERIMENT=regabi into 5 sub-experiments
This separates GOEXPERIMENT=regabi into five sub-experiments:
regabiwrappers, regabig, regabireflect, regabidefer, and regabiargs.
Setting GOEXPERIMENT=regabi now implies the working subset of these
(currently, regabiwrappers, regabig, and regabireflect).
This simplifies testing, helps derisk the register ABI project,
and will also help with performance comparisons.
This replaces the -abiwrap flag to the compiler and linker with
the regabiwrappers experiment.
As part of this, regabiargs now enables registers for all calls
in the compiler. Previously, this was statically disabled in
regabiEnabledForAllCompilation, but now that we can control it
independently, this isn't necessary.
For #40724.
Change-Id: I5171e60cda6789031f2ef034cc2e7c5d62459122
Reviewed-on: https://go-review.googlesource.com/c/go/+/302070
Trust: Austin Clements <austin@google.com>
Run-TryBot: Austin Clements <austin@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
Reviewed-by: David Chase <drchase@google.com>
Diffstat (limited to 'src/cmd/compile/internal/base')
| -rw-r--r-- | src/cmd/compile/internal/base/flag.go | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/src/cmd/compile/internal/base/flag.go b/src/cmd/compile/internal/base/flag.go index 1087f97d07..959fededa9 100644 --- a/src/cmd/compile/internal/base/flag.go +++ b/src/cmd/compile/internal/base/flag.go @@ -82,7 +82,6 @@ type CmdFlags struct { CompilingRuntime bool "flag:\"+\" help:\"compiling runtime\"" // Longer names - ABIWrap bool "help:\"enable generation of ABI wrappers\"" ABIWrapLimit int "help:\"emit at most N ABI wrappers (for debugging)\"" AsmHdr string "help:\"write assembly header to `file`\"" Bench string "help:\"append benchmark times to `file`\"" @@ -147,7 +146,6 @@ func ParseFlags() { Flag.LowerP = &Ctxt.Pkgpath Flag.LowerV = &Ctxt.Debugvlog - Flag.ABIWrap = objabi.Regabi_enabled != 0 Flag.Dwarf = objabi.GOARCH != "wasm" Flag.DwarfBASEntries = &Ctxt.UseBASEntries Flag.DwarfLocationLists = &Ctxt.Flag_locationlists |