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Meng Zhuo 3fce111535 cmd/compile: fix FMA negative commutativity of riscv64 
According to RISCV manual 11.6:

FMADD x,y,z computes x*y+z and
FNMADD x,y,z => -x*y-z
FMSUB x,y,z => x*y-z
FNMSUB x,y,z => -x*y+z respectively

However our implement of SSA convert FMADD -x,y,z to FNMADD x,y,z which
is wrong and should be convert to FNMSUB according to manual.

Change-Id: Ib297bc83824e121fd7dda171ed56ea9694a4e575
Reviewed-on: https://go-review.googlesource.com/c/go/+/506575
Run-TryBot: M Zhuo <mzh@golangcn.org>
Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Joedian Reid <joedian@golang.org>
Reviewed-by: Michael Munday <mike.munday@lowrisc.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
2023-07-05 22:05:44 +00:00
..
abi
cmd/compile: restore tail call for method wrappers
2021-09-17 22:59:44 +00:00
alias3.dir
…
arenas
reflect: fix ArenaNew to match documentation
2023-06-16 17:08:43 +00:00
asmhdr.dir
cmd/compile: use exact constant in go_asm.h
2022-01-10 21:27:19 +00:00
chan
[dev.typeparams] cmd/compile/internal/types2: implement close(ch) where ch is of type parameter type
2021-07-14 23:33:46 +00:00
closure3.dir
cmd/compile: incorporate inlined function names into closure naming
2023-05-22 22:47:15 +00:00
closure5.dir
test: use dot-relative imports where appropriate
2022-03-24 02:14:15 +00:00
codegen
cmd/compile: fix FMA negative commutativity of riscv64
2023-07-05 22:05:44 +00:00
ddd2.dir
…
dwarf
…
fixedbugs
cmd/compile/internal/ssagen: fix min/max codegen, again
2023-06-28 16:07:47 +00:00
import2.dir
…
import4.dir
go/types, types2: use "and not used" instead of "but not used" in error messages
2022-09-27 21:10:19 +00:00
interface
go/types, types2: more systematic use of Checker.use und useLHS
2023-03-28 14:28:33 +00:00
intrinsic.dir
runtime: replace all uses of CtzXX with TrailingZerosXX
2022-10-18 18:06:27 +00:00
ken
test/ken/slicearray.go: correct type width in comment
2021-12-05 12:50:44 +00:00
linkname.dir
test: compile source files as if from "test" module
2022-03-24 17:50:47 +00:00
method4.dir
…
retjmp.dir
cmd/internal/obj: fix tail call in non-zero frame leaf function on MIPS and S390X
2021-12-13 22:42:08 +00:00
runtime
test: remove -newescape from regress tests
2019-08-28 19:27:20 +00:00
stress
all: update references to symbols moved from io/ioutil to io
2021-04-05 17:51:15 +00:00
syntax
go/parser: adjustments to error messages
2022-09-01 22:37:04 +00:00
typeparam
go/types, types2: don't infer type argument for unused parameter in interfaces
2023-05-25 21:37:01 +00:00
uintptrescapes.dir
…
64bit.go
…
235.go
…
alg.go
…
alias1.go
…
alias2.go
cmd/compile: use "cannot use %s as %s value in %s: %s" error message
2022-09-28 22:28:39 +00:00
alias3.go
…
alias.go
…
align.go
test: check that unaligned load-add opcodes work.
2018-04-09 18:57:37 +00:00
append1.go
cmd/compile: use "cannot use %s as %s value in %s: %s" error message
2022-09-28 22:28:39 +00:00
append.go
cmd/compile: optimize append(x, make([]T, y)...) slice extension
2018-05-06 04:28:23 +00:00
args.go
…
armimm.go
…
asmhdr.go
cmd/compile: emit sensible go_asm.h consts for big ints
2021-10-30 18:30:05 +00:00
assign1.go
…
assign.go
[dev.typeparams] merge: merge branch 'dev.regabi' into 'dev.typeparams'
2020-12-14 12:13:36 -08:00
atomicload.go
…
bigalg.go
…
bigmap.go
…
blank1.go
[dev.typeparams] merge: merge branch 'dev.regabi' into 'dev.typeparams'
2020-12-14 12:13:36 -08:00
blank.go
…
bom.go
…
bombad.go
…
bounds.go
cmd/compile: defer lowering OANDNOT until SSA
2020-10-27 03:11:45 +00:00
cannotassign.go
[dev.typeparams] test: add scaffolding to run.go to check compiler with -G flag
2020-12-01 21:49:31 +00:00
chancap.go
[dev.regabi] cmd/compile: remove toolstash scaffolding
2021-01-05 21:44:30 +00:00
chanlinear.go
test, test/fixedbugs, crypto/x509, go/internal/gccgoimporter: fix typos
2020-03-29 17:12:56 +00:00
char_lit1.go
cmd/compile: do not report error for invalid constant
2021-03-05 18:46:43 +00:00
char_lit.go
…
checkbce.go
Revert "cmd/compile: sparse conditional constant propagation"
2023-05-24 14:39:34 +00:00
clear.go
cmd/compile: add clear(x) builtin
2023-01-31 19:43:07 +00:00
clearfat.go
…
closedchan.go
…
closure1.go
…
closure2.go
cmd/compile: experimental loop iterator capture semantics change
2023-03-06 18:34:24 +00:00
closure3.go
cmd/compile: disable inlining functions with closures for now
2021-02-24 21:34:21 +00:00
closure4.go
cmd/compile/internal/gc: add nil check for closure call on wasm
2018-08-14 09:19:38 +00:00
closure5.go
[dev.regabi] cmd/compile: exporting, importing, and inlining functions with OCLOSURE
2021-01-20 22:53:32 +00:00
closure6.go
[dev.regabi] cmd/compile: fix escape analysis problem with closures
2021-01-23 02:15:24 +00:00
closure7.go
[dev.regabi] test: add a test for inlining closures
2021-02-01 18:28:05 +00:00
closure.go
…
cmp6.go
[dev.typeparams] test: add scaffolding to run.go to check compiler with -G flag
2020-12-01 21:49:31 +00:00
cmp.go
…
cmplx.go
cmd/compile: rewrite f(g()) for multi-value g() during typecheck
2019-03-14 21:00:20 +00:00
cmplxdivide1.go
…
cmplxdivide.c
…
cmplxdivide.go
…
complit1.go
test: fix error check messages for 2 types2 tests
2021-06-02 05:14:45 +00:00
complit.go
…
compos.go
…
const1.go
[dev.typeparams] test: add scaffolding to run.go to check compiler with -G flag
2020-12-01 21:49:31 +00:00
const2.go
[dev.typeparams] test: add scaffolding to run.go to check compiler with -G flag
2020-12-01 21:49:31 +00:00
const3.go
…
const4.go
…
const5.go
…
const6.go
…
const7.go
all: add wasip1 support
2023-04-11 20:56:32 +00:00
const8.go
test: add more tests for const decls with ommitted RHS expressions
2022-06-28 18:11:31 +00:00
const.go
cmd/compile: apply constant folding to ORUNESTR
2019-09-26 23:54:29 +00:00
convert1.go
…
convert2.go
go/types, types2: implement slice-to-array conversions
2022-09-08 15:55:44 +00:00
convert3.go
…
convert4.go
cmd/compile: implement slice-to-array conversions
2022-09-19 18:58:26 +00:00
convert.go
…
convinline.go
cmd/compile: handle integer conversions in static init inliner
2022-11-17 13:46:05 +00:00
convlit1.go
…
convlit.go
cmd/compile/internal/types2: refactor untyped conversions
2021-03-23 05:11:09 +00:00
convT2X.go
…
copy1.go
[dev.typeparams] test: enable some more errorcheck tests
2020-12-04 21:22:23 +00:00
copy.go
…
crlf.go
…
ddd1.go
cmd/compile: use "cannot use %s as %s value in %s: %s" error message
2022-09-28 22:28:39 +00:00
ddd2.go
…
ddd.go
…
decl.go
…
declbad.go
cmd/compile: rewrite a, b = f() to use temporaries when type not identical
2021-06-14 07:12:37 +00:00
defer.go
…
defererrcheck.go
test: re-enable open-coded defer test on riscv64
2020-02-26 16:54:17 +00:00
deferfin.go
[dev.regabi] test: enable finalizer tests on !amd64
2021-01-05 21:11:31 +00:00
defernil.go
cmd/compile: on Wasm and AIX, let deferred nil function panic at invocation
2019-10-16 00:05:37 +00:00
deferprint.go
test: remove rundircmpout and cmpout actions
2018-05-31 17:36:45 +00:00
deferprint.out
…
devirt.go
[dev.typeparams] cmd/compile: simplify interface conversions
2021-08-09 16:10:20 +00:00
directive2.go
cmd/compile: restrict //go:notinheap to runtime/internal/sys
2022-09-02 06:22:23 +00:00
directive.go
cmd/compile: restrict //go:notinheap to runtime/internal/sys
2022-09-02 06:22:23 +00:00
divide.go
…
divmod.go
…
embedfunc.go
cmd/compile: require 'go 1.16' go.mod line for //go:embed
2021-01-19 20:07:52 +00:00
embedvers.go
cmd/compile: require 'go 1.16' go.mod line for //go:embed
2021-01-19 20:07:52 +00:00
empty.go
…
env.go
test,internal/testdir: don't set GOOS/GOARCH
2023-05-12 12:34:59 +00:00
eof1.go
…
eof.go
…
escape2.go
[dev.typeparams] cmd/compile: move call logic from order.go to escape
2021-06-23 16:48:12 +00:00
escape2n.go
[dev.typeparams] cmd/compile: move call logic from order.go to escape
2021-06-23 16:48:12 +00:00
escape3.go
…
escape4.go
test: enable inlining tests for functions with local type
2023-01-31 20:36:55 +00:00
escape5.go
[dev.typeparams] test: rename blank functions
2021-07-28 21:41:07 +00:00
escape_array.go
[dev.typeparams] cmd/compile: simplify ~r/~b naming
2021-05-26 23:50:32 +00:00
escape_calls.go
[dev.typeparams] cmd/compile: simplify ~r/~b naming
2021-05-26 23:50:32 +00:00
escape_closure.go
[dev.typeparams] cmd/compile: simplify ~r/~b naming
2021-05-26 23:50:32 +00:00
escape_field.go
cmd/compile: use clearer error message for stuct literal
2020-09-12 08:31:49 +00:00
escape_goto.go
[dev.typeparams] test: rename blank functions
2021-07-28 21:41:07 +00:00
escape_hash_maphash.go
hash/maphash: mark call into runtime hash function as not escaping
2019-11-16 20:31:45 +00:00
escape_iface.go
test: remove *_unified.go variants
2023-05-23 17:16:35 +00:00
escape_indir.go
cmd/compile: use clearer error message for stuct literal
2020-09-12 08:31:49 +00:00
escape_level.go
cmd/compile: silence esc diagnostics about directiface OCONVIFACEs
2019-09-03 17:52:06 +00:00
escape_map.go
cmd/compile: use clearer error message for stuct literal
2020-09-12 08:31:49 +00:00
escape_param.go
[dev.typeparams] cmd/compile: simplify ~r/~b naming
2021-05-26 23:50:32 +00:00
escape_reflect.go
test: add escape test for reflect.Value operations
2023-05-12 23:13:19 +00:00
escape_runtime_atomic.go
[dev.typeparams] cmd/compile: simplify ~r/~b naming
2021-05-26 23:50:32 +00:00
escape_selfassign.go
test: add regress test cases for self-assignment
2019-04-17 16:36:56 +00:00
escape_slice.go
cmd/compile: implement slice-to-array conversions
2022-09-19 18:58:26 +00:00
escape_struct_param1.go
cmd/compile: use clearer error message for stuct literal
2020-09-12 08:31:49 +00:00
escape_struct_param2.go
cmd/compile: use clearer error message for stuct literal
2020-09-12 08:31:49 +00:00
escape_struct_return.go
[dev.typeparams] cmd/compile: simplify ~r/~b naming
2021-05-26 23:50:32 +00:00
escape_sync_atomic.go
runtime/internal/atomic: remove bad go:noescape annotations on Loadp
2019-04-17 19:09:15 +00:00
escape_unsafe.go
test: fix typo in escape_unsafe.go
2022-09-07 17:25:59 +00:00
escape.go
cmd/compile: experimental loop iterator capture semantics change
2023-03-06 18:34:24 +00:00
fibo.go
…
finprofiled.go
all: fix typos
2019-09-08 17:28:20 +00:00
float_lit2.go
…
float_lit3.go
test: re-enable a bunch of tests with types2
2021-12-03 16:24:32 +00:00
float_lit.go
…
floatcmp.go
…
for.go
…
func1.go
[dev.typeparams] test: enable some more errorcheck tests
2020-12-04 21:22:23 +00:00
func2.go
…
func3.go
…
func4.go
…
func5.go
…
func6.go
…
func7.go
…
func8.go
…
func.go
…
funcdup2.go
[dev.typeparams] test: enable some more errorcheck tests
2020-12-04 21:22:23 +00:00
funcdup.go
[dev.typeparams] test: enable some more errorcheck tests
2020-12-04 21:22:23 +00:00
fuse.go
test: do not run fuse test in noopt mode
2021-04-28 15:55:10 +00:00
gc1.go
…
gc2.go
all: skip unsupported tests for js/wasm
2018-04-30 19:39:18 +00:00
gc.go
…
gcgort.go
test: fast GC+concurrency+types verification
2018-05-08 21:15:48 +00:00
gcstring.go
…
goprint.go
test: adjust a test to work with js/wasm's background goroutine
2019-10-10 19:38:06 +00:00
goprint.out
…
goto.go
…
heapsampling.go
test/heapsampling.go: slow down allocation rate and reduce iterations
2022-05-27 21:36:06 +00:00
helloworld.go
test: remove rundircmpout and cmpout actions
2018-05-31 17:36:45 +00:00
helloworld.out
…
if.go
…
import1.go
go/types, types2: use "and not used" instead of "but not used" in error messages
2022-09-27 21:10:19 +00:00
import2.go
…
import4.go
…
import5.go
…
import6.go
test: re-enable most go/tests that were disabled because of types2 differences
2022-01-11 02:26:58 +00:00
import.go
…
index0.go
…
index1.go
…
index2.go
…
index.go
all: fix typos
2019-09-08 17:28:20 +00:00
indirect1.go
…
indirect.go
…
init1.go
…
init.go
[dev.typeparams] merge: merge branch 'dev.regabi' into 'dev.typeparams'
2020-12-14 12:13:36 -08:00
initcomma.go
…
initexp.go
cmd/compile: use "init... cycle" instead of "init... loop" in error messages
2022-09-23 20:27:09 +00:00
initialize.go
cmd/compile: handle simple inlined calls in staticinit
2022-11-16 04:04:52 +00:00
initializerr.go
test: re-enable most go/tests that were disabled because of types2 differences
2022-01-11 02:26:58 +00:00
initloop.go
[dev.typeparams] cmd/compile/internal/types2: adjusted qualified identifier error message for compiler
2020-12-09 23:56:19 +00:00
inline_big.go
cmd/compile: flag 'large' functions when -m=2+ in effect
2023-01-24 13:28:54 +00:00
inline_caller.go
runtime: make FuncForPC return the innermost inlined frame
2019-01-08 21:54:04 +00:00
inline_callers.go
runtime: make FuncForPC return the innermost inlined frame
2019-01-08 21:54:04 +00:00
inline_endian.go
cmd/compile: make encoding/binary appends cheaper to inline
2022-09-15 21:05:02 +00:00
inline_literal.go
…
inline_math_bits_rotate.go
cmd/compile: make math/bits.RotateLeft* an intrinsic on amd64
2018-08-30 22:48:28 +00:00
inline_sync.go
reflect: do not escape Value.Type
2023-05-12 21:11:51 +00:00
inline_variadic.go
[dev.typeparams] cmd/compile: simplify inlining variadic calls
2021-05-26 23:50:45 +00:00
inline.go
test: remove *_unified.go variants
2023-05-23 17:16:35 +00:00
int_lit.go
…
intcvt.go
…
intrinsic_atomic.go
misc, test: fix test error for loong64
2022-05-20 16:16:37 +00:00
intrinsic.go
…
iota.go
…
label1.go
test: match gofrontend error messages
2020-11-28 02:31:54 +00:00
label.go
test: match gofrontend error messages
2020-11-28 02:31:54 +00:00
linkmain_run.go
all: add wasip1 support
2023-04-11 20:56:32 +00:00
linkmain.go
…
linkname3.go
test: re-enable a bunch of tests with types2
2021-12-03 16:24:32 +00:00
linkname.go
test: remove -newescape from regress tests
2019-08-28 19:27:20 +00:00
linkobj.go
all: add wasip1 support
2023-04-11 20:56:32 +00:00
linkx_run.go
all: add wasip1 support
2023-04-11 20:56:32 +00:00
linkx.go
[dev.link] all: clean up some TODOs
2019-11-01 20:13:05 +00:00
literal2.go
cmd/compile: accept 'i' suffix orthogonally on all numbers
2019-02-19 22:45:09 +00:00
literal.go
…
live1.go
…
live2.go
cmd/compile: extend ssa.go to handle 1-element array and 1-field struct
2019-09-03 19:33:04 +00:00
live_regabi.go
test: test that we schedule OpArgIntReg early
2023-01-21 21:08:30 +00:00
live_uintptrkeepalive.go
all: add wasip1 support
2023-04-11 20:56:32 +00:00
live.go
cmd/compile: sort liveness variable reports
2023-01-21 21:08:00 +00:00
loopbce.go
Revert "cmd/compile: sparse conditional constant propagation"
2023-05-24 14:39:34 +00:00
mainsig.go
[dev.regabi] cmd/compile: cleanup for concrete types - noder
2020-12-17 04:43:46 +00:00
makechan.go
cmd/compile/internal/types2: add unsafe.Add and unsafe.Slice
2021-04-23 00:41:01 +00:00
makemap.go
cmd/compile/internal/types2: add unsafe.Add and unsafe.Slice
2021-04-23 00:41:01 +00:00
makenew.go
[dev.typeparams] test: enable some more errorcheck tests
2020-12-04 21:22:23 +00:00
makeslice.go
cmd/compile: optimize make+copy pattern to avoid memclr
2020-05-07 17:50:24 +00:00
mallocfin.go
…
map1.go
[dev.typeparams] merge: merge branch 'dev.regabi' into 'dev.typeparams'
2020-12-14 12:13:36 -08:00
map.go
…
mapclear.go
cmd/compile: optimize map-clearing range idiom
2018-05-08 21:15:16 +00:00
maplinear.go
…
maymorestack.go
cmd/{asm,compile,internal/obj}: add "maymorestack" support
2021-11-05 00:52:06 +00:00
mergemul.go
…
method1.go
cmd/compile: use "method T.m already declared" for method redeclaration errors
2022-09-27 21:59:19 +00:00
method2.go
go/types, types2: better error message when using *interface instead of interface
2022-01-10 22:48:40 +00:00
method3.go
…
method4.go
…
method5.go
…
method6.go
[dev.typeparams] test: enable some more errorcheck tests
2020-12-04 21:22:23 +00:00
method7.go
[dev.typeparams] cmd/compile: fix MethodExpr handling with embedded fields
2021-01-26 17:05:06 +00:00
method.go
…
named1.go
[dev.typeparams] test: enable some more errorcheck tests
2020-12-04 21:22:23 +00:00
named.go
…
nil.go
…
nilcheck.go
[dev.unified] test: tweak nilcheck test
2022-06-30 18:41:59 +00:00
nilptr2.go
test: use a real use function in nilptr2.go
2019-05-11 03:02:33 +00:00
nilptr3.go
cmd/compile: casts from slices to array pointers are known to be non-nil
2023-03-29 21:55:11 +00:00
nilptr4.go
…
nilptr5_aix.go
test: fix nilptr5 for AIX
2018-11-27 15:36:08 +00:00
nilptr5_wasm.go
cmd/compile: fix nilcheck for AIX
2018-11-26 14:13:53 +00:00
nilptr5.go
cmd/compile: handle partially overlapping assignments
2022-08-23 19:56:32 +00:00
nilptr_aix.go
cmd/compile: fix nilcheck for AIX
2018-11-26 14:13:53 +00:00
nilptr.go
test: disable nilptr on windows/arm64
2021-02-19 00:40:22 +00:00
noinit.go
cmd/compile: reenable inline static init
2023-04-14 17:57:36 +00:00
nosplit.go
runtime, cmd: rationalize StackLimit and StackGuard
2023-04-21 19:28:56 +00:00
nowritebarrier.go
cmd/compile: allow mid-stack inlining when there is a cycle of recursion
2020-04-03 21:43:52 +00:00
nul1.go
…
opt_branchlikely.go
all: fix typos
2019-09-08 17:28:20 +00:00
parentype.go
…
peano.go
all: skip unsupported tests for js/wasm
2018-04-30 19:39:18 +00:00
phiopt.go
cmd/compile/internal/ssa: strengthen phiopt pass
2021-03-29 05:50:11 +00:00
print.go
test: remove rundircmpout and cmpout actions
2018-05-31 17:36:45 +00:00
print.out
…
printbig.go
test: remove rundircmpout and cmpout actions
2018-05-31 17:36:45 +00:00
printbig.out
…
prove_constant_folding.go
cmd/compile: fold constants found by prove
2022-05-04 20:30:17 +00:00
prove.go
cmd/compile: teach prove about bitwise OR operation
2023-04-10 17:13:41 +00:00
range.go
…
README.md
internal/testdir: move to cmd/internal/testdir
2023-05-12 17:18:08 +00:00
recover1.go
…
recover2.go
cmd/compile,runtime: generate hash functions only for types which are map keys
2019-09-03 20:41:29 +00:00
recover3.go
…
recover4.go
test/recover4.go: use mprotect to create a hole instead of munmap
2021-11-12 16:58:34 +00:00
recover5.go
…
recover.go
…
reflectmethod1.go
…
reflectmethod2.go
…
reflectmethod3.go
…
reflectmethod4.go
…
reflectmethod5.go
cmd/compile: when marking REFLECTMETHOD, check for reflect package itself
2020-04-19 03:12:32 +00:00
reflectmethod6.go
cmd/compile: when marking REFLECTMETHOD, check for reflect package itself
2020-04-19 03:12:32 +00:00
reflectmethod7.go
all: use reflect.{Pointer,PointerTo}
2021-10-26 14:24:17 +00:00
reflectmethod8.go
[dev.typeparams] cmd/compile: fix missing condition in usemethod
2021-07-22 17:48:41 +00:00
rename1.go
cmd/compile/internal/types2: only mark variables as used if they are
2023-04-19 14:07:00 +00:00
rename.go
…
reorder2.go
…
reorder.go
[dev.regabi] cmd/compile: cleanup OAS2FUNC ordering
2021-01-16 23:19:26 +00:00
retjmp.go
…
return.go
…
rotate0.go
…
rotate1.go
…
rotate2.go
…
rotate3.go
…
rotate.go
…
rune.go
…
runtime.go
[dev.typeparams] cmd/compile/internal/types2: adjusted qualified identifier error message for compiler
2020-12-09 23:56:19 +00:00
shift1.go
test: re-enable a bunch of tests with types2
2021-12-03 16:24:32 +00:00
shift2.go
…
shift3.go
cmd/compile: adjust types2 shift check to match go/types (cleanup)
2022-04-07 17:19:55 +00:00
sieve.go
…
sigchld.go
all: add wasip1 support
2023-04-11 20:56:32 +00:00
sigchld.out
…
simassign.go
…
sizeof.go
…
slice3.go
…
slice3err.go
[dev.typeparams] test: finish triaging all outstanding failing tests
2020-12-14 21:28:48 +00:00
slicecap.go
…
sliceopt.go
…
solitaire.go
…
stack.go
…
stackobj2.go
test: stress test for stack objects
2018-10-03 19:54:29 +00:00
stackobj3.go
cmd/compile,runtime: remove ambiguously live logic
2018-10-03 19:54:16 +00:00
stackobj.go
cmd/compile,runtime: remove ambiguously live logic
2018-10-03 19:54:16 +00:00
strcopy.go
test: add test to verify that string copies don't get optimized away
2018-06-12 19:10:34 +00:00
strength.go
all: fix typos
2019-09-08 17:28:20 +00:00
string_lit.go
…
stringrange.go
…
struct0.go
…
switch2.go
go/parser: adjustments to error messages
2022-09-01 22:37:04 +00:00
switch3.go
[dev.typeparams] cmd/compile/internal/types2: report error for invalid (but empty) expr switch
2020-12-15 19:43:32 +00:00
switch4.go
…
switch5.go
[dev.typeparams] test: finish triaging all outstanding failing tests
2020-12-14 21:28:48 +00:00
switch6.go
cmd/compile: use "missing method m" instead of "missing m method"
2022-09-24 17:04:15 +00:00
switch7.go
[dev.typeparams] test: finish triaging all outstanding failing tests
2020-12-14 21:28:48 +00:00
switch.go
[dev.unified] test: add switch test case for tricky nil handling
2022-07-19 23:30:49 +00:00
tighten.go
cmd/compile: enhance tighten pass for memory values
2023-05-16 01:01:38 +00:00
tinyfin.go
…
torture.go
…
turing.go
…
typecheck.go
test: re-enable most go/tests that were disabled because of types2 differences
2022-01-11 02:26:58 +00:00
typecheckloop.go
cmd/compile: use "init... cycle" instead of "init... loop" in error messages
2022-09-23 20:27:09 +00:00
typeswitch1.go
…
typeswitch2.go
cmd/compile: move duplicate type-case checking into typecheck
2019-09-11 23:33:11 +00:00
typeswitch2b.go
go/types, types2: use "and not used" instead of "but not used" in error messages
2022-09-27 21:10:19 +00:00
typeswitch3.go
cmd/compile/internal/types2: better error for type assertion/switch on type parameter value
2021-11-12 22:20:51 +00:00
typeswitch.go
…
uintptrescapes2.go
[dev.typeparams] cmd/compile: skip escape analysis diagnostics for wrappers
2021-06-24 18:24:24 +00:00
uintptrescapes3.go
cmd/compile: fix //go:uintptrescapes for basic method calls
2019-11-05 00:26:30 +00:00
uintptrescapes.go
…
uintptrkeepalive.go
cmd/compile: add //go:uintptrkeepalive
2022-04-21 18:06:38 +00:00
undef.go
…
unsafe_slice_data.go
cmd/compile: add support for unsafe.{String,StringData,SliceData}
2022-08-31 17:15:15 +00:00
unsafe_string_data.go
cmd/compile: add support for unsafe.{String,StringData,SliceData}
2022-08-31 17:15:15 +00:00
unsafe_string.go
cmd/compile: add support for unsafe.{String,StringData,SliceData}
2022-08-31 17:15:15 +00:00
unsafebuiltins.go
cmd/compile: add support for unsafe.{String,StringData,SliceData}
2022-08-31 17:15:15 +00:00
used.go
[dev.typeparams] all: merge dev.regabi (07569da) into dev.typeparams
2020-12-28 00:39:17 -08:00
utf.go
…
varerr.go
[dev.typeparams] test: enable some more errorcheck tests
2020-12-04 21:22:23 +00:00
varinit.go
…
winbatch.go
all: update to use filepath.WalkDir instead of filepath.Walk
2020-12-02 16:33:57 +00:00
writebarrier.go
cmd/compile: don't emit write barriers for offsets of global addresses
2021-08-23 19:46:36 +00:00
zerodivide.go
all: use bytes.Cut, strings.Cut
2021-10-06 15:53:04 +00:00
zerosize.go
cmd/link: put zero-sized data symbols at same address as runtime.zerobase
2023-04-28 18:35:43 +00:00

README.md

The test directory contains tests of the Go tool chain and runtime. It includes black box tests, regression tests, and error output tests. They are run as part of all.bash.

To run just these tests, execute:

../bin/go test cmd/internal/testdir

To run just tests from specified files in this directory, execute:

../bin/go test cmd/internal/testdir -run='Test/(file1.go|file2.go|...)'

Standard library tests should be written as regular Go tests in the appropriate package.

The tool chain and runtime also have regular Go tests in their packages. The main reasons to add a new test to this directory are:

  • it is most naturally expressed using the test runner; or
  • it is also applicable to gccgo and other Go tool chains.