cmd/compile

[dev.regabi] remove leftover code form late call lowering work

#286013 opened 3 hours ago by David Chase

[dev.regabi] optimize read-only []byte conversions

#285681 opened 3 hours ago by Matthew Dempsky

fix order-of-assignment issue w/ defers

#285633 opened 1 day ago by Matthew Dempsky

[dev.regabi] modify abiutils for recently updated ABI

#285392 opened 1 day ago by David Chase

Revise error msg in type assertion ptr/non-ptr condition

#285372 opened 1 day ago by HowJMay

[dev.regabi] more zero-copy []byte-to-string conversions

#285232 opened 1 day ago by Matthew Dempsky

[dev.regabi] refactor expand_calls to remove many nested functions

#284577 opened 3 days ago by David Chase

[dev.typeparams] enable -G=3 by default

#282920 opened 1 week ago by Matthew Dempsky

remove embed import restriction

#282716 opened 2 weeks ago by Russ Cox

[release-branch.go1.15] do not assume TST and TEQ set V on arm

#282432 opened 2 weeks ago by Jason A. Donenfeld

make ppc64 rules less picky about type of 64-bit stores

#282315 opened 2 weeks ago by David Chase

reduce inline cost of OCONVOP

#281232 opened 2 weeks ago by Egon Elbre

loads from readonly globals into const for mips64xwait-release

#280646 opened 3 weeks ago by Meng Zhuo

add rule to coalesce writeswait-release

#280456 opened 3 weeks ago by Alejandro García Montoro

make no-op rewrite funcs smaller

#280314 opened 3 weeks ago by Daniel Martí

intrinsic ROTR/ROTRV on mips64x

#280292 opened 4 weeks ago by Meng Zhuo

[dev.regabi] add AMD64 parameter register defs, Arg ops, plumb to ssa.Config and regalloc

#279522 opened 1 month ago by David Chase

[dev.regabi] remove selectnbrecv2

#279193 opened 1 month ago by Cuong Manh Le

[dev.regabi] make selectnbrecv return two values

#279192 opened 1 month ago by Cuong Manh Le

add some optimization rewriting rules on arm

#278794 opened 1 month ago by Michał Derkacz

optimize single-precision floating point square rootwait-release

#276873 opened 1 month ago by fanzha02

fold MOV*nop and MOV*constwait-release

#276792 opened 1 month ago by Keith Randall

[dev.typeparams] conversion of types2 types to types, compare with existing type

#276653 opened 1 month ago by Dan Scales

hide generics support behind "types2" build tag

#275792 opened 1 month ago by Matthew Dempsky

change riscv64 Eq32/Neq32 to zero extend before subtraction

#274066 opened 1 month ago by Joel Sing

[dev.regabi] remove backend's "scratch mem" support

#273987 opened 1 month ago by Matthew Dempsky

ARM64 optimize []float64 and []float32 access

#273706 opened 1 month ago by Egon Elbre

[dev.regabi] simplify assert{E,I}2I{,2} calling conventions

#273694 opened 1 month ago by Matthew Dempsky

use transitive relations for slice len/cap in posetwait-release

#273670 opened 1 month ago by Cuong Manh Le

mark OpSB, OpSP as poor statement Opwait-release

#273666 opened 1 month ago by Cuong Manh Le

remove unused function

#273367 opened 1 month ago by AlphaHot

[dev.regabi] add auto-remaster machinery for ABI testsregister-assignment-rules

#273012 opened 1 month ago by Than McIntosh

change typecheckclosure() to be idempotent, not update xtop

#272027 opened 2 months ago by Dan Scales

include transmission of return values in late call lowering

#271158 opened 2 months ago by David Chase

improve scheduling passwait-release

#270940 opened 2 months ago by Keith Randall

[dev.regabi] mark wrapper functions with DW_AT_trampoline

#270864 opened 2 months ago by Than McIntosh

check defer arg size

#270397 opened 2 months ago by Cherry Zhang

strip some dead map init functionswait-release

#268899 opened 2 months ago by Jeremy Faller

use weak reference in itab

#268479 opened 2 months ago by Cherry Zhang

optimize ARM64's code with REV16

#268377 opened 2 months ago by fanzha02

add escape-aware heuristics for inlining

#268121 opened 2 months ago by David Chase

suppress inlining on panic-terminated list of statements

#268120 opened 2 months ago by David Chase

intrinsify runtime/internal/atomic.{And,Or}{8,} on RISCV64

#268098 opened 2 months ago by Joel Sing

adjust stack slot alignment requirements on arm64

#267999 opened 2 months ago by eric fang

re-arrange hairyVisitors inline helper for efficiencywait-release

#267978 opened 2 months ago by Emmanuel T Odeke

corrections to escape-aware inlining

#267886 opened 2 months ago by David Chase

merge sign extension and shift into SBFIZwait-release

#267602 opened 2 months ago by fanzha02

add another BFI pattern on arm64

#267599 opened 2 months ago by fanzha02

reorder the CSEL0 optimization rules on arm64

#267598 opened 2 months ago by fanzha02

adjust mid-stack inlining within small functions

#267419 opened 2 months ago by David Chase

expose inliner knobs for tuning

#267139 opened 2 months ago by David Chase

share epilogue if it is large

#265100 opened 2 months ago by Keith Randall

merge zero/sign extensions with UBFX/SBFX on arm64

#265039 opened 2 months ago by fanzha02

simiplify arm64 bitfield optimizations

#265038 opened 2 months ago by fanzha02

skip compiling some unexported, inlined functions

#264277 opened 3 months ago by Branden J Brown

remove dead closures after inlining

#264180 opened 3 months ago by David Chase

interleave inlining and escape analysis in single bottom-up visit

#264178 opened 3 months ago by David Chase

handle escape analysis assignment through pointer more precisely

#262937 opened 3 months ago by Cuong Manh Le

add -d=swthash flag for string switch hashing

#260597 opened 3 months ago by Matthew Dempsky

add AMD64 parameter register defs, Arg ops, plumb to ssa.Config and regalloc

#260539 opened 3 months ago by David Chase

deadcode eliminate inits for unreachable variables

#260238 opened 3 months ago by Jeremy Faller

update build cache rules and doc for SSA environment variable changes

#259257 opened 3 months ago by David Chase

added limited //go:registerparams pragma for new ABI dev

#258618 opened 3 months ago by David Chase

optimize the Phi values

#257981 opened 3 months ago by fanzha02

add code to support register ABI spills around morestack calls

#257972 opened 3 months ago by David Chase

add internal package phash

#256898 opened 4 months ago by Johan Jansson

simplify typcheck1

#256477 opened 4 months ago by root

add rewrite rule to change callClosure(constant) to callStatic

#256077 opened 4 months ago by David Chase

use depth first topological sort algorithm for layoutwait-release

#255239 opened 4 months ago by erifan01

modify inlining heuristic for if; max arms, not sum

#254796 opened 4 months ago by David Chase

tweak debug info decomposition for expand_calls

#254457 opened 4 months ago by David Chase

mark type descriptor symbols content-addressable

#253603 opened 4 months ago by Cherry Zhang

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

#253217 opened 4 months ago by David Chase

relax ":=" statements

#250037 opened 5 months ago by Matthew Dempsky

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

#249460 opened 5 months ago by David Chase

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

#249459 opened 5 months ago by David Chase

add support for Lsh64*64 and Mul64 to IsSliceInBounds

#248701 opened 5 months ago by surechen

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

#247770 opened 5 months ago by David Chase

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

#247678 opened 5 months ago by Cherry Zhang

[dev.link] always define func value symbols locally

#247677 opened 5 months ago by Cherry Zhang

optimize-out redundant I->I type assertions

#247478 opened 5 months ago by Iskander Sharipov

add builtin "sizeof" function

#242783 opened 6 months ago by Matthew Dempsky

maintain legacy "declared but not used" behavior

#238538 opened 7 months ago by Matthew Dempsky

refactor "declared but not used" diagnostic

#238537 opened 7 months ago by Matthew Dempsky

recognize unused variables even when capturedex-wait-release

#238317 opened 7 months ago by Matthew Dempsky

report property type in error on name mismatch

#232938 opened 8 months ago by Emmanuel T Odeke

combine UBFZ and ANDconst

#230059 opened 9 months ago by Josh Bleecher Snyder

look through MOVDreg in arm64 UBFX rewrites

#230058 opened 9 months ago by Josh Bleecher Snyder

merge ANDconst into UBFX on arm64

#230057 opened 9 months ago by Josh Bleecher Snyder

merge more width extensions with UBFX/SBFX on arm64

#230036 opened 9 months ago by Josh Bleecher Snyder

allow ARM's MOVWconst to be type-flexible

#230035 opened 9 months ago by Josh Bleecher Snyder

remove more extraneous extensions on arm

#230034 opened 9 months ago by Josh Bleecher Snyder

add more arm64 bitfield simplifications

#230033 opened 9 months ago by Josh Bleecher Snyder

recognize another BFI pattern on arm64

#230032 opened 9 months ago by Josh Bleecher Snyder

fix type of ssa OpITab Values

#229984 opened 9 months ago by Josh Bleecher Snyder

add shortcircuit to late fuse

#229058 opened 9 months ago by Josh Bleecher Snyder

infer gdata width arg

#227655 opened 9 months ago by Josh Bleecher Snyder

optimize some comparisons with sign extenstionswait-release

#227002 opened 9 months ago by Cuong Manh Le

in poset, use signed flag rather than unsigned

#226217 opened 10 months ago by Giovanni Bajo

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

#223358 opened 10 months ago by Diogo Pinela

demo use of := in rule conditions

#220696 opened 11 months ago by Josh Bleecher Snyder

support := in rewrite rule conditions

#220684 opened 11 months ago by Josh Bleecher Snyder

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

#219127 opened 11 months ago by David Chase

during rulegen, pre-substitute ops

#217015 opened 11 months ago by Josh Bleecher Snyder

remove unnecessary MOV in channel receiving

#212303 opened 1 year ago by Sheng Mao

output loclists in optimized mode

#211278 opened 1 year ago by Alessandro Arzilli

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

#210637 opened 1 year ago by Dan Scales

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

#210344 opened 1 year ago by David Chase

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

#209937 opened 1 year ago by David Chase

return LITERAL on INDEXMAP when map and key are LITERALs

#208323 opened 1 year ago by Assel Meher

optimize big structs

#206937 opened 1 year ago by Keith Randall

consistently use camelCase in poset

#203597 opened 1 year ago by Giovanni Bajo

simplify isReflectHeaderDataField

#202558 opened 1 year ago by Matthew Dempsky

implement unsafe.Slice and unsafe.String

#202080 opened 1 year ago by Matthew Dempsky

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

#200137 opened 1 year ago by Matthew Dempsky

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 2 years ago by Joe Tsai

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

#184437 opened 2 years ago by Cherry Zhang

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

#183957 opened 2 years ago by Cherry Zhang

rearrange creation of ssa.Func to allow defer-cleanup

#183240 opened 2 years ago by David Chase

debug rewrite, enhanced

#183239 opened 2 years ago by David Chase

combo inliner-experiments CL

#179601 opened 2 years ago by David Chase

add -skiprule

#177497 opened 2 years ago by Josh Bleecher Snyder

allow tightening rematerializeable values into loops

#177041 opened 2 years ago by Josh Bleecher Snyder

benchmark for slow lea

#176622 opened 2 years ago by Martin Möhrmann

make inlining conditional on file contents

#175417 opened 2 years ago by David Chase

special case escape analysis for fmt.Printf etc

#174530 opened 2 years ago by David Chase

link source lines to blocks

#173477 opened 2 years ago by David Chase

sort DWARF variable info by source position

#173439 opened 2 years ago by David Chase

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

#172357 opened 2 years ago by Maksadbek

add environment-variable-connected knobs to inliner

#171218 opened 2 years ago by David Chase

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

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

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 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

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 3 years ago by Balaram Makam

detailed trace debugging for prove pass

#87483 opened 3 years ago by Austin Clements

print unreachable blocks

#87482 opened 3 years ago by Austin Clements

disambiguate clashing types by package

#85715 opened 3 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 "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 4 years ago by Cherry Zhang

add typo fix suggestions using Levenstein/Edit distance

#35471 opened 4 years ago by Emmanuel Odeke

check pointer validity on conversion

#34719 opened 4 years ago by Adin Scannell

used shared epilogue

#33634 opened 4 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