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Keith Randall 6300161d40 cmd/compile: force folding of MOVDaddr into storezero 
Fold MOVDaddr ops into MOVXstorezero ops.
Also fold ADDconst into MOVDaddr so we're sure there isn't
(MOVDstorezero (ADDconst (MOVDaddr ..)))

Without this CL, we get:

v1 = MOVDaddr {s}
v2 = VARDEF {s}
v3 = MOVDstorezero v1 v2

The liveness pass thinks the MOVDaddr is a read of s, so s is
incorrectly thought to be live at the start of the function.

Fixes #17194

Change-Id: I2b4a2f13b12aa5b072941ee1c7b89f3793650cdc
Reviewed-on: https://go-review.googlesource.com/30086
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Lynn Boger <laboger@linux.vnet.ibm.com>
Reviewed-by: Michael Munday <munday@ca.ibm.com>
 		2016-10-04 16:10:27 +00:00
..
bench all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
bugs all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
chan all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
ddd2.dir all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
dwarf
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fixedbugs cmd/compile: force folding of MOVDaddr into storezero 2016-10-04 16:10:27 +00:00
import2.dir all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
import4.dir test: adjust gccgo expected import errors 2015-10-07 14:37:44 +00:00
interface cmd/compile: inline x, ok := y.(T) where T is a scalar 2016-08-17 01:12:01 +00:00
intrinsic.dir cmd/compile: intrinsify Ctz, Bswap on ARM 2016-09-12 19:26:31 +00:00
ken all: fix spelling mistakes 2016-04-03 17:03:15 +00:00
method4.dir
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safe
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stress all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
syntax cmd/compile/internal/syntax: match old parser errors and line numbers 2016-08-19 01:10:21 +00:00
uintptrescapes.dir cmd/compile, syscall: add //go:uintptrescapes comment, and use it 2016-07-06 20:48:41 +00:00
64bit.go
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235.go
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alg.go test: add test that required algs get generated 2016-04-24 21:36:52 +00:00
alias.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
alias1.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
append.go
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args.go
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assign.go
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assign1.go
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atomicload.go cmd/compile: keep value use counts in SSA 2016-03-17 04:20:02 +00:00
bigalg.go
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bigmap.go
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blank.go
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blank1.go cmd/compile: don't allow blank method declarations on builtins 2015-12-02 18:26:38 +00:00
bom.go
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bombad.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
bounds.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
chancap.go
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chanlinear.go
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char_lit.go
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char_lit1.go
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checkbce.go cmd/compile: optimize integer "in range" expressions 2016-08-25 03:49:16 +00:00
clearfat.go
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closedchan.go
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closure.go
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closure1.go cmd/gc: capture variables by value 2015-01-29 13:07:30 +00:00
closure2.go cmd/gc: fix capturing by value for range statements 2015-02-03 15:48:48 +00:00
cmp.go Fix several out of date references to 4g/5g/6g/8g/9g. 2015-06-26 03:38:21 +00:00
cmp6.go
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cmplx.go
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cmplxdivide.c all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
cmplxdivide.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
cmplxdivide1.go
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complit.go
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complit1.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
compos.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
const.go cmd/compile: fix compiler bug for constant equality comparison 2016-09-17 01:12:24 +00:00
const1.go
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const2.go
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const3.go
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const4.go all: link to https instead of http 2015-07-11 14:36:33 +00:00
const5.go all: link to https instead of http 2015-07-11 14:36:33 +00:00
const6.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
convT2X.go
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convert.go
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convert1.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
convert3.go
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convlit.go cmd/internal/gc: unsafe.Pointer constants may only be converted to uintptr 2015-05-07 23:54:28 +00:00
convlit1.go
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copy.go
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crlf.go
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ddd.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
ddd1.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
ddd2.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
decl.go
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declbad.go
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defer.go
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deferfin.go
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deferprint.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
deferprint.out
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divide.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
divmod.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
empty.go
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env.go
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eof.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
eof1.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
errchk cmd/vet: make checking example names in _test packages more robust 2016-06-28 22:09:00 +00:00
escape.go
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escape2.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
escape2n.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
escape3.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
escape4.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
escape5.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
escape_array.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
escape_because.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
escape_calls.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
escape_closure.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
escape_field.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
escape_iface.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
escape_indir.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
escape_level.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
escape_map.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
escape_param.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
escape_slice.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
escape_struct_param1.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
escape_struct_param2.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
escape_struct_return.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
fibo.go
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finprofiled.go runtime: fix finalization and profiling of tiny allocations 2015-11-03 18:57:18 +00:00
float_lit.go
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float_lit2.go test/float_lit2: fix expressions in comment 2016-09-14 16:39:47 +00:00
float_lit3.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
floatcmp.go
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for.go
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func.go
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func1.go
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func2.go
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func3.go
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func4.go
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func5.go
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func6.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
func7.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
func8.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
funcdup.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
funcdup2.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
gc.go
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gc1.go
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gc2.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
gcstring.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
goprint.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
goprint.out
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goto.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
heapsampling.go test: really force heap profile update in heapsampling.go 2015-11-12 18:32:13 +00:00
helloworld.go
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helloworld.out
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if.go
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import.go
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import1.go
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import2.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
import4.go
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import5.go
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index.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
index0.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
index1.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
index2.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
indirect.go
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indirect1.go
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init.go
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init1.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
initcomma.go
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initialize.go
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initializerr.go
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initloop.go cmd/compile: use []*Node instead of NodeList in sinit 2015-09-05 02:25:01 +00:00
inline.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
int_lit.go
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intcvt.go
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intrinsic.go cmd/compile: intrinsify Ctz{32,64} and Bswap{32,64} on s390x 2016-09-19 19:03:01 +00:00
intrinsic_atomic.go cmd/compile: intrinsify Ctz, Bswap on ARM 2016-09-12 19:26:31 +00:00
iota.go
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label.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
label1.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
linkmain.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
linkmain_run.go test: fix linkmain test 2015-12-17 23:36:13 +00:00
linkobj.go cmd/compile: add -linkobj flag to allow writing object file in two parts 2016-05-09 17:31:45 +00:00
linkx.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
linkx_run.go test: print output on link -X failure 2016-04-20 17:37:35 +00:00
literal.go
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live.go cmd/compile: relax liveness restrictions on ambiguously live 2016-10-03 18:07:32 +00:00
live1.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
live2.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
live_syscall.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
loopbce.go cmd/compile: bce when max and limit are consts 2016-04-11 16:01:22 +00:00
mallocfin.go
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map.go
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map1.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
maplinear.go
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method.go
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method1.go cmd/compile: ignore receiver parameters in Eqtype 2016-03-17 00:38:15 +00:00
method2.go
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method3.go
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method4.go
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method5.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
named.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
named1.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
nil.go
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nilcheck.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
nilptr.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
nilptr2.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
nilptr3.go cmd/compile: re-enable nilcheck removal for newobject 2016-09-28 19:41:49 +00:00
nilptr4.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
nosplit.go cmd/compile: ppc64le working, not optimized enough 2016-08-18 16:34:47 +00:00
nul1.go cmd/compile/internal/syntax: match old parser errors and line numbers 2016-08-19 01:10:21 +00:00
opt_branchlikely.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
parentype.go
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peano.go
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phiopt.go test: re-enable phi optimization test 2016-09-13 20:06:13 +00:00
print.go
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print.out
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printbig.go
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printbig.out
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prove.go cmd/compile: unroll comparisons to short constant strings 2016-09-15 15:37:00 +00:00
range.go
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recover.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
recover1.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
recover2.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
recover3.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
recover4.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
reflectmethod1.go cmd/compile: track reflect.Type.Method in deadcode 2016-03-11 21:19:20 +00:00
reflectmethod2.go cmd/compile: track reflect.Type.Method in deadcode 2016-03-11 21:19:20 +00:00
reflectmethod3.go cmd/compile: track reflect.Type.Method in deadcode 2016-03-11 21:19:20 +00:00
reflectmethod4.go cmd/link: treat reflect.Value.Method like Call 2016-03-11 22:07:02 +00:00
rename.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
rename1.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
reorder.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
reorder2.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
return.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
rotate.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
rotate0.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
rotate1.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
rotate2.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
rotate3.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
run.go test: errorcheck auto-generated functions 2016-09-22 20:10:30 +00:00
rune.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
runtime.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
shift1.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
shift2.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
sieve.go
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sigchld.go
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sigchld.out
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simassign.go
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sinit.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
sinit_run.go all: retire architecture letter in file names, public API 2015-05-21 17:32:17 +00:00
sizeof.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
slice3.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
slice3err.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
slicecap.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
sliceopt.go cmd/compile: add SSA backend for s390x and enable by default 2016-09-13 19:39:38 +00:00
solitaire.go
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stack.go
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strength.go cmd/compile: generalize strength reduction of mulq 2016-03-30 22:27:13 +00:00
string_lit.go
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stringrange.go
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struct0.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
switch.go
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switch2.go cmd/compile/internal/syntax: match old parser errors and line numbers 2016-08-19 01:10:21 +00:00
switch3.go
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switch4.go
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switch5.go cmd/compile: use a map to track const switch cases 2016-08-23 05:28:33 +00:00
switch6.go cmd/compile: set correct line number for multiple defaults in switch error 2016-08-22 19:56:06 +00:00
tinyfin.go runtime: fix finalization and profiling of tiny allocations 2015-11-03 18:57:18 +00:00
torture.go
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turing.go
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typecheck.go
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typecheckloop.go cmd/compile: convert typecheck_stack to []*Node 2015-09-06 23:50:51 +00:00
typeswitch.go
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typeswitch1.go
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typeswitch2.go
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typeswitch3.go
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uintptrescapes.go cmd/compile, syscall: add //go:uintptrescapes comment, and use it 2016-07-06 20:48:41 +00:00
uintptrescapes2.go cmd/compile: args no longer live until end-of-function 2016-09-19 16:54:35 +00:00
undef.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
utf.go
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varerr.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
varinit.go
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writebarrier.go all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
zerodivide.go
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