cmd/compile

optimize the Phi values

#257981 opened 13 hours ago by fanzha02

add code to support register ABI spills around morestack calls

#257972 opened 3 hours ago by David Chase

mark type namedata symbols content-addressable

#257960 opened 7 hours ago by Cherry Zhang

convert last amd64 rules to typed aux

#257898 opened 1 day ago by Alberto Donizetti

convert more amd64 rules to typed aux

#257897 opened 1 day ago by Alberto Donizetti

enforce strongly typed rules for ARM (to32)

#257640 opened 3 days ago by Constantin Konstantinidis

enforce strongly typed rules for ARM (read)

#257639 opened 3 days ago by Constantin Konstantinidis

[release-branch.go1.14] prevent 387+float32+pie from clobbering registers

#257208 opened 4 days ago by Keith Randall

[release-branch.go1.15] prevent 387+float32+pie from clobbering registers

#257207 opened 4 days ago by Keith Randall

add internal package phash

#256898 opened 5 days ago by Johan Jansson

make invalid recursive type error clearer

#256837 opened 5 days ago by Cuong Manh Le

simplify typcheck1

#256477 opened 6 days ago by root

use staticValue for inlining logic

#256460 opened 6 days ago by Matthew Dempsky

allow inlining of "for" loops

#256459 opened 6 days ago by Matthew Dempsky

improve escape analysis of known calls

#256458 opened 6 days ago by Matthew Dempsky

set n.Name.Defn for inlined parameters

#256457 opened 6 days ago by Matthew Dempsky

add rewrite rule to change callClosure(constant) to callStatic

#256077 opened 1 week ago by David Chase

[release-branch.go1.15] propagate go:notinheap implicitly

#255697 opened 1 week ago by Keith Randall

[release-branch.go1.15] make go:notinheap error message friendlier for cgo

#255338 opened 1 week ago by Keith Randall

[release-branch.go1.15] allow aliases to go:notinheap types

#255337 opened 1 week ago by Keith Randall

[release-branch.go1.15] don't allow go:notinheap on the heap or stack

#255320 opened 1 week ago by Keith Randall

[release-branch.go1.15] make Haspointers a method instead of a function

#255318 opened 1 week ago by Keith Randall

optimize generated struct/array equality code

#255317 opened 1 week ago by Keith Randall

use depth first topological sort algorithm for layout

#255239 opened 1 week ago by erifan01

modify inlining heuristic for if; max arms, not sum

#254796 opened 2 weeks ago by David Chase

tweak debug info decomposition for expand_calls

#254457 opened 2 weeks ago by David Chase

mark type descriptor symbols content-addressable

#253603 opened 2 weeks ago by Cherry Zhang

change call expansion to allow it to run in more places.

#253217 opened 3 weeks ago by David Chase

allow directory specification for GOSSAFUNC output

#252338 opened 3 weeks ago by David Chase

relax ":=" statements

#250037 opened 1 month ago by Matthew Dempsky

add remaining aggregate types to call site expansiondrchase-late-call

#249460 opened 1 month ago by David Chase

rework [u]int64 on 32-bit expansion.drchase-late-call

#249459 opened 1 month ago by David Chase

avoid generating CSEs; do all aggregates; maintain debug namesdrchase-late-call

#249458 opened 1 month ago by David Chase

clean up buggy DWARF inlined info PC ranges

#248724 opened 1 month ago by Than McIntosh

add support for Lsh64*64 and Mul64 to IsSliceInBounds

#248701 opened 1 month ago by surechen

[release-branch.go1.14] fix live variable computation for deferreturn

#248622 opened 1 month ago by Keith Randall

[release-branch.go1.15] fix live variable computation for deferreturn

#248621 opened 1 month ago by Keith Randall

using new calls, optimize strings.HasPrefix(s, lenOneConstString)drchase-late-call

#248404 opened 1 month ago by David Chase

add generic optimization patterns for late-expanded calls.drchase-late-call

#248190 opened 1 month ago by David Chase

late call expansion for rtcalldrchase-late-call

#248189 opened 1 month ago by David Chase

enable late expansion in openDeferExitdrchase-late-call

#248188 opened 1 month ago by David Chase

enable late call lowering for "callDeferStack"drchase-late-call

#248187 opened 1 month ago by David Chase

some minor cleanupsdrchase-late-call

#248186 opened 1 month ago by David Chase

late call expansion for go func and simple defer funcdrchase-late-call

#247898 opened 1 month ago by David Chase

enable late expansion for closure callsdrchase-late-call

#247771 opened 1 month ago by David Chase

cosmetic and comments cleanups to call-expanding code.drchase-late-call

#247770 opened 1 month ago by David Chase

[dev.link] make func value symbols content-addressable

#247678 opened 1 month ago by Cherry Zhang

[dev.link] always define func value symbols locally

#247677 opened 1 month ago by Cherry Zhang

enable late expansion for interface callsdrchase-late-call

#247537 opened 1 month ago by David Chase

optimize-out redundant I->I type assertions

#247478 opened 1 month ago by Iskander Sharipov

enable late expansion for address-of static callsdrchase-late-call

#246938 opened 1 month ago by David Chase

check indirect connection between if block and phi block in addLocalInductiveFacts

#246157 opened 1 month ago by Cholerae Hu

fix late call expansion for SSA-able aggregate results and argumentsdrchase-late-call

#245133 opened 2 months ago by David Chase

remove legacy wb flagex-wait-release

#244961 opened 2 months ago by Alberto Donizetti

add //go:embed support

#243944 opened 2 months ago by Russ Cox

add builtin "sizeof" function

#242783 opened 2 months ago by Matthew Dempsky

can't call SetABI() on a LSYM after it has been added to hash table

#242001 opened 2 months ago by Dan Scales

optimize ARM64's single-precision sqrt with FSQRTSex-wait-release

#241877 opened 2 months ago by diaxu01

reject misplaced go:build comments

#240601 opened 3 months ago by Russ Cox

optimize ARM64's code with REV16

#239637 opened 3 months ago by diaxu01

maintain legacy "declared but not used" behavior

#238538 opened 3 months ago by Matthew Dempsky

refactor "declared but not used" diagnostic

#238537 opened 3 months ago by Matthew Dempsky

recognize unused variables even when capturedex-wait-release

#238317 opened 3 months ago by Matthew Dempsky

improve atomic swap intrinsics on arm64

#234217 opened 4 months ago by Jonathan Swinney

optimize shift pairs on s390x

#233317 opened 4 months ago by Michael Munday

report property type in error on name mismatch

#232938 opened 4 months ago by Emmanuel T Odeke

combine UBFZ and ANDconst

#230059 opened 5 months ago by Josh Bleecher Snyder

look through MOVDreg in arm64 UBFX rewrites

#230058 opened 5 months ago by Josh Bleecher Snyder

merge ANDconst into UBFX on arm64

#230057 opened 5 months ago by Josh Bleecher Snyder

merge more width extensions with UBFX/SBFX on arm64

#230036 opened 5 months ago by Josh Bleecher Snyder

allow ARM's MOVWconst to be type-flexible

#230035 opened 5 months ago by Josh Bleecher Snyder

remove more extraneous extensions on arm

#230034 opened 5 months ago by Josh Bleecher Snyder

add more arm64 bitfield simplifications

#230033 opened 5 months ago by Josh Bleecher Snyder

recognize another BFI pattern on arm64

#230032 opened 5 months ago by Josh Bleecher Snyder

fix type of ssa OpITab Values

#229984 opened 5 months ago by Josh Bleecher Snyder

tighten s390x compare-and-branch instructions to 32 bits

#229897 opened 5 months ago by Michael Munday

add shortcircuit to late fuse

#229058 opened 5 months ago by Josh Bleecher Snyder

infer gdata width arg

#227655 opened 5 months ago by Josh Bleecher Snyder

delete SSA ops for shifts by uint8 and uint16

#227498 opened 5 months ago by Michael Munday

add more sign and zero extension before cmp removal rules

#227161 opened 5 months ago by Michael Munday

remove sign/zero extensions before comparisons with constants

#227159 opened 5 months ago by Michael Munday

optimize some comparisons with sign extenstions

#227002 opened 5 months ago by Cuong Manh Le

in poset, use signed flag rather than unsigned

#226217 opened 6 months ago by Giovanni Bajo

add more integer-in-range optimizations

#224878 opened 6 months ago by Michael Munday

replace CallImport with go:wasmimport directive

#224197 opened 6 months ago by Richard Musiol

use staticuint64s to optimize interface conversion of small integer constants (WIP)

#223358 opened 6 months ago by Diogo Pinela

fuse floating point special case tests

#221977 opened 6 months ago by Michael Munday

implement DUFFZERO for riscv64

#221686 opened 7 months ago by Joel Sing

implement aligned zeroing for riscv64

#221685 opened 7 months ago by Joel Sing

avoid unnecessary sign/zero extension on riscv64

#221680 opened 7 months ago by Joel Sing

demo use of := in rule conditions

#220696 opened 7 months ago by Josh Bleecher Snyder

support := in rewrite rule conditions

#220684 opened 7 months ago by Josh Bleecher Snyder

add rewrite to avoid MOV{L,Q}{i2f,f2i}

#219127 opened 7 months ago by David Chase

during rulegen, pre-substitute ops

#217015 opened 8 months ago by Josh Bleecher Snyder

remove unnecessary MOV in channel receiving

#212303 opened 9 months ago by Sheng Mao

output loclists in optimized mode

#211278 opened 9 months ago by Alessandro Arzilli

change uint64/int64/float64 in structs to be 8-byte aligned on 32-bit architectures

#210637 opened 9 months ago by Dan Scales

add //go:nodebug for package granularity no-debugging

#210344 opened 9 months ago by David Chase

add //go:nodebug to reduce amount/size of debugging info for a function

#209937 opened 9 months ago by David Chase

return LITERAL on INDEXMAP when map and key are LITERALs

#208323 opened 10 months ago by Assel Meher

optimize big structs

#206937 opened 10 months ago by Keith Randall

consistently use camelCase in poset

#203597 opened 11 months ago by Giovanni Bajo

simplify isReflectHeaderDataField

#202558 opened 11 months ago by Matthew Dempsky

implement unsafe.Slice and unsafe.String

#202080 opened 11 months ago by Matthew Dempsky

warn about indirect calls with unsafe.Pointer->uintptr conversions

#200137 opened 11 months ago by Matthew Dempsky

fix wrong order in multiple assignmentsex-wait-release

#198679 opened 1 year ago by Cuong Manh Le

add SSA rules for s390x test-under-mask instructions

#198039 opened 1 year ago by Michael Munday

in prove, remove manual limit tracking

#196680 opened 1 year ago by Giovanni Bajo

use poset bounds in prove

#196679 opened 1 year ago by Giovanni Bajo

implement bound calculations in poset

#196597 opened 1 year ago by Giovanni Bajo

make prove trace OpIsSliceInBounds:

#193839 opened 1 year ago by zdjones

make prove trace OpAdd64 and OpMakeSlice

#193838 opened 1 year ago by zdjones

introduce recursive, on-demand inference in proveex-wait-release

#190657 opened 1 year ago by zdjones

add intrinsic sync.checkPreempt

#190577 opened 1 year ago by David Chase

enable loop preemption for problematic loops

#190415 opened 1 year ago by David Chase

enable field tracking for unexported fields

#186981 opened 1 year ago by Joe Tsai

mark R16, R17 clobbered for non-standard calls on ARM64

#184437 opened 1 year ago by Cherry Zhang

not rewrite 64-bit AND to shifts on 32-bit machines

#183957 opened 1 year ago by Cherry Zhang

rearrange creation of ssa.Func to allow defer-cleanup

#183240 opened 1 year ago by David Chase

debug rewrite, enhanced

#183239 opened 1 year ago by David Chase

combo inliner-experiments CL

#179601 opened 1 year ago by David Chase

add -skiprule

#177497 opened 1 year ago by Josh Bleecher Snyder

allow tightening rematerializeable values into loops

#177041 opened 1 year ago by Josh Bleecher Snyder

benchmark for slow lea

#176622 opened 1 year ago by Martin Möhrmann

make inlining conditional on file contents

#175417 opened 1 year ago by David Chase

special case escape analysis for fmt.Printf etc

#174530 opened 1 year ago by David Chase

emit s390x 'rotate then ... selected bits' instructions

#173659 opened 1 year ago by Michael Munday

link source lines to blocks

#173477 opened 1 year ago by David Chase

sort DWARF variable info by source position

#173439 opened 1 year ago by David Chase

better "is not a type" error when parameter shadows type

#172357 opened 1 year ago by Maksadbek

add environment-variable-connected knobs to inliner

#171218 opened 1 year ago by David Chase

represent slices as (ptr, len, cap-len) in SSA

#170125 opened 2 years ago by Michael Munday

clean up debug_test variable printing; add it for delve

#169738 opened 2 years ago by David Chase

Use slice of biasedsparsemaps instead of map

#169722 opened 2 years ago by David Chase

early variadic slice normalization

#168238 opened 2 years ago by Matthew Dempsky

replace OpSlicemask with branch

#168117 opened 2 years ago by Michael Munday

further changes for fault-preemption-experiments

#166358 opened 2 years ago by David Chase

add unsafe.Unreachable

#165358 opened 2 years ago by Josh Bleecher Snyder

make duplicate anonymous interface output deterministic

#162240 opened 2 years ago by Jelle van den Hooff

avoid confusing error on pkg.keywordex-wait-release

#160637 opened 2 years ago by Daniel Martí

intrinsify Ctz, Bswap on i386ex-wait-release

#158238 opened 2 years ago by Nikhil Benesch

add instrumentation to catch double-walks of treeswait-issue

#156177 opened 2 years ago by David Chase

don't recurse into go:noinline during inlining walk

#154058 opened 2 years ago by Josh Bleecher Snyder

use Node.Name.Defn in optimizationsex-wait-release

#152478 opened 2 years ago by Iskander Sharipov

improved debug logging for prove phase

#151978 opened 2 years ago by David Chase

don't generate algorithms for slice literal backing storebinary-sizeex-wait-release

#151497 opened 2 years ago by Keith Randall

enable inline of functions containing "for" loops

#148777 opened 2 years ago by David Chase

use memhash for hashing strings in arrays and structsex-wait-release

#148177 opened 2 years ago by Martin Möhrmann

add option for user-supplied list of file/line/column specials

#144219 opened 2 years ago by David Chase

add support for -buildmode=c-shared for GOARCH=mips{,le}

#144100 opened 2 years ago by Milan Knezevic

assign to a field of map element

#141647 opened 2 years ago by Vladimir Kuzmin

add minor optimization rules for math.Is{Inf,NaN}

#135955 opened 2 years ago by Michael Munday

add support for MSVC toolchain to go buildex-wait-release

#133946 opened 2 years ago by Caleb Champlin

add support for MSVC flags

#133944 opened 2 years ago by Caleb Champlin

optimise some small equality comparisons

#130255 opened 2 years ago by ChrisALiles

optimize integer divisions like (x%a)/b when b >= a

#129759 opened 2 years ago by ChrisALiles

add warnBCE

#129384 opened 2 years ago by Josh Bleecher Snyder

more and better IsInBounds elim

#129383 opened 2 years ago by Josh Bleecher Snyder

start modifying test harness

#129382 opened 2 years ago by Josh Bleecher Snyder

disable walk boundedness

#129381 opened 2 years ago by Josh Bleecher Snyder

strengthen IsInBounds optimizations

#129380 opened 2 years ago by Josh Bleecher Snyder

disable branchelim for the moment

#129376 opened 2 years ago by Josh Bleecher Snyder

optimize away deferred/go call to empty functionsex-wait-releasewait-author

#128035 opened 2 years ago by Oryan Moshe

use Go declaration to make GO_ARGS for assembly functions.

#122519 opened 2 years ago by Keith Randall

restore LocalAddr CSEex-wait-release

#122484 opened 2 years ago by David Chase

inline runtime.memequal if possible

#121697 opened 2 years ago by Ilya Tocar

detect and remove pointless conditionals

#121155 opened 2 years ago by David Chase

add some inliner knobs for parameter search

#118996 opened 2 years ago by David Chase

add unconditional new amd64 instructions generation

#117295 opened 2 years ago by Ilya Tocar

replace x < 0 used as value by a right shiftex-wait-release

#115997 opened 2 years ago by Martin Möhrmann

opaque field experiment

#114006 opened 2 years ago by Keith Randall

optimize append([]T(nil), make([]T, n)...)

#111736 opened 2 years ago by Martin Möhrmann

WIP add intrinsics for multiword arithmeticcrypto-assemblywait-issue-24813

#106376 opened 2 years ago by Balaram Makam

eliminate write barrier for b = b[n:]ex-wait-release

#105258 opened 2 years ago by Austin Clements

add load/store pairing optimization pass for arm64

#105255 opened 2 years ago by Geoff Berry

use floating point test instructions on s390x

#104595 opened 2 years ago by Michael Munday

disambiguate builtin types when shadowed

#101675 opened 2 years ago by Matthew Dempsky

optimize struct partial re-assign

#100837 opened 2 years ago by Hugues Bruant

improve DWARF locationlist debugging output

#99937 opened 2 years ago by David Chase

ignore -race on non-supporting architectures

#99676 opened 2 years ago by Cherry Zhang

export/import OCLOSURE

#97415 opened 2 years ago by Hugues Bruant

use unified backing store for debug info output

#93175 opened 2 years ago by Keith Randall

remove nil checks based on offsets from known non-nil pointers

#91415 opened 2 years ago by Balaram Makam

detailed trace debugging for prove pass

#87483 opened 2 years ago by Austin Clements

print unreachable blocks

#87482 opened 2 years ago by Austin Clements

disambiguate clashing types by package

#85715 opened 2 years ago by Emmanuel T Odeke

make bad safe-points throw

#68014 opened 3 years ago by Austin Clements

indirect fault-based loop preemption

#68013 opened 3 years ago by Austin Clements

record rescheduling target PC

#68011 opened 3 years ago by Austin Clements

disallow loop preemption in the runtime

#68010 opened 3 years ago by Austin Clements

free nilcheck value properly

#65591 opened 3 years ago by Marvin Stenger

add branch prediction rules for float special cases

#64191 opened 3 years ago by Michael Munday

separate s390x SSA rules for global variables

#62490 opened 3 years ago by Michael Munday

add generic rotate ops

#61490 opened 3 years ago by Michael Munday

add "estimate" phase reporting "excess" op counts

#47932 opened 3 years ago by David Chase

perform rotation in layout

#47512 opened 3 years ago by David Chase

heap characterization

#47270 opened 3 years ago by Rick Hudson

experiment to measure costs of "fault branch"

#43050 opened 3 years ago by David Chase

replace boolean simplification rule

#42516 opened 3 years ago by Marvin Stenger

let -d ssa/help breathe

#41470 opened 3 years ago by Damien Lespiau

implement simple loop unrolling

#40996 opened 3 years ago by David Chase

cleanup MOVaddr code generation

#40492 opened 3 years ago by Matthew Dempsky

experiment to always call write barrier

#40293 opened 3 years ago by Austin Clements

automatically handle commuting ops in rewrite rules

#38692 opened 3 years ago by Marvin Stenger

hoist invariants out of loops

#37338 opened 3 years ago by David Chase

add write barrier for implicit zeroing

#36355 opened 3 years ago by Cherry Zhang

add typo fix suggestions using Levenstein/Edit distance

#35471 opened 3 years ago by Emmanuel Odeke

check pointer validity on conversion

#34719 opened 3 years ago by Adin Scannell

used shared epilogue

#33634 opened 3 years ago by Keith Randall

prototype/experiment for register args and results

#28832 opened 4 years ago by David Chase

don't rematerialize thunk calls

#28391 opened 4 years ago by Keith Randall

remove unnecessary stack offset rounding

#28250 opened 4 years ago by Cherry Zhang

split object file sections into independent chunks

#21752 opened 4 years ago by Shahar Kohanim

hoist induction variable

#21434 opened 4 years ago by Alexandru Moșoi

drop type info for some methods

#21087 opened 4 years ago by David Crawshaw

remove ptrdata for common typeswait-author

#19698 opened 4 years ago by David Crawshaw

always emit type for constants in export data

#14790 opened 5 years ago by Shenghou Ma