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Nigel Tao 18e86644a3 cmd/gc: cache itab lookup in convT2I. 
There may be further savings if convT2I can avoid the function call
if the cache is good and T is uintptr-shaped, a la convT2E, but that
will be a follow-up CL.

src/pkg/runtime:
benchmark                  old ns/op    new ns/op    delta
BenchmarkConvT2ISmall             43           15  -64.01%
BenchmarkConvT2IUintptr           45           14  -67.48%
BenchmarkConvT2ILarge            130          101  -22.31%

test/bench/go1:
benchmark                 old ns/op    new ns/op    delta
BenchmarkBinaryTree17    8588997000   8499058000   -1.05%
BenchmarkFannkuch11      5300392000   5358093000   +1.09%
BenchmarkGobDecode         30295580     31040190   +2.46%
BenchmarkGobEncode         18102070     17675650   -2.36%
BenchmarkGzip             774191400    771591400   -0.34%
BenchmarkGunzip           245915100    247464100   +0.63%
BenchmarkJSONEncode       123577000    121423050   -1.74%
BenchmarkJSONDecode       451969800    596256200  +31.92%
BenchmarkMandelbrot200     10060050     10072880   +0.13%
BenchmarkParse             10989840     11037710   +0.44%
BenchmarkRevcomp         1782666000   1716864000   -3.69%
BenchmarkTemplate         798286600    723234400   -9.40%

R=rsc, bradfitz, go.peter.90, daniel.morsing, dave, uriel
CC=golang-dev
https://golang.org/cl/6337058
2012-07-03 09:09:05 +10:00
..
bench
test/bench/shootout: remove dependency on C libraries in test mode
2012-06-24 19:23:09 -04:00
bugs
exp/locale/collate: avoid 16-bit math
2012-05-24 14:50:36 -04:00
chan
test: use testlib in a few more cases (part 2)
2012-04-20 23:45:43 +08:00
dwarf
test: use testlib (first 100)
2012-02-16 23:48:57 -05:00
fixedbugs
cmd/gc: add missing case for OCOM in defaultlit()
2012-07-02 09:33:22 +08:00
interface
test: use testlib in a few more cases
2012-03-22 02:14:44 +08:00
ken
go/test/chan1.go: fix typo
2012-02-25 08:47:04 +11:00
safe
cmd/gc: suspend safemode during typecheck of inlined bodies.
2012-02-10 22:50:55 +01:00
syntax
gc: improve error message for composite literals with unexpected newlines
2012-04-02 11:00:55 -04:00
64bit.go
test: use testlib in a few more cases (part 2)
2012-04-20 23:45:43 +08:00
235.go
test: [a-c]: add introductory comments to tests
2012-02-19 13:19:43 +11:00
alias1.go
test: [a-c]: add introductory comments to tests
2012-02-19 13:19:43 +11:00
alias.go
test: [a-c]: add introductory comments to tests
2012-02-19 13:19:43 +11:00
append.go
test: [a-c]: add introductory comments to tests
2012-02-19 13:19:43 +11:00
args.go
test: [a-c]: add introductory comments to tests
2012-02-19 13:19:43 +11:00
assign1.go
test: [a-c]: add introductory comments to tests
2012-02-19 13:19:43 +11:00
assign.go
test: [a-c]: add introductory comments to tests
2012-02-19 13:19:43 +11:00
bigalg.go
test: [a-c]: add introductory comments to tests
2012-02-19 13:19:43 +11:00
bigmap.go
runtime: handle and test large map values
2012-05-24 22:41:07 -04:00
blank1.go
test: [a-c]: add introductory comments to tests
2012-02-19 13:19:43 +11:00
blank.go
test: add some tests of valid code that failed with gccgo
2012-03-30 08:42:21 -07:00
bounds.go
cmd/gc: faster code, mainly for rotate
2012-05-24 17:20:07 -04:00
chancap.go
test: [a-c]: add introductory comments to tests
2012-02-19 13:19:43 +11:00
char_lit1.go
test: [a-c]: add introductory comments to tests
2012-02-19 13:19:43 +11:00
char_lit.go
test: [a-c]: add introductory comments to tests
2012-02-19 13:19:43 +11:00
closedchan.go
test: use testlib (first 100)
2012-02-16 23:48:57 -05:00
closure.go
test: enforce 1 proc in the test
2012-07-01 21:59:50 +04:00
cmp6.go
test: [a-c]: add introductory comments to tests
2012-02-19 13:19:43 +11:00
cmp.go
test: [a-c]: add introductory comments to tests
2012-02-19 13:19:43 +11:00
cmplx.go
test: [a-c]: add introductory comments to tests
2012-02-19 13:19:43 +11:00
cmplxdivide1.go
test: use testlib in a few more cases
2012-03-22 02:14:44 +08:00
cmplxdivide.c
test: use testlib in a few more cases
2012-03-22 02:14:44 +08:00
cmplxdivide.go
test: invoke go command in run.go
2012-03-07 01:54:39 -05:00
complit1.go
test: [a-c]: add introductory comments to tests
2012-02-19 13:19:43 +11:00
complit.go
test: [a-c]: add introductory comments to tests
2012-02-19 13:19:43 +11:00
compos.go
test: [a-c]: add introductory comments to tests
2012-02-19 13:19:43 +11:00
const1.go
test: add a couple of cases to const1.go that crashed gccgo
2012-02-29 17:39:02 -08:00
const2.go
test: [a-c]: add introductory comments to tests
2012-02-19 13:19:43 +11:00
const3.go
test: [a-c]: add introductory comments to tests
2012-02-19 13:19:43 +11:00
const4.go
cmd/gc: implement len(array) / cap(array) rule
2012-03-07 22:43:28 -05:00
const5.go
cmd/gc: implement len(array) / cap(array) rule
2012-03-07 22:43:28 -05:00
const.go
test: [a-c]: add introductory comments to tests
2012-02-19 13:19:43 +11:00
convert1.go
test: [a-c]: add introductory comments to tests
2012-02-19 13:19:43 +11:00
convert3.go
test: [a-c]: add introductory comments to tests
2012-02-19 13:19:43 +11:00
convert.go
test: [a-c]: add introductory comments to tests
2012-02-19 13:19:43 +11:00
convlit1.go
test: [a-c]: add introductory comments to tests
2012-02-19 13:19:43 +11:00
convlit.go
test: [a-c]: add introductory comments to tests
2012-02-19 13:19:43 +11:00
convT2X.go
cmd/gc: cache itab lookup in convT2I.
2012-07-03 09:09:05 +10:00
copy.go
test: [a-c]: add introductory comments to tests
2012-02-19 13:19:43 +11:00
crlf.go
test: use testlib in a few more cases (part 2)
2012-04-20 23:45:43 +08:00
ddd1.go
test: explanatory comments [c-g]*
2012-02-19 14:28:53 +11:00
ddd2.go
test: use testlib in a few more cases
2012-03-22 02:14:44 +08:00
ddd3.go
test: explanatory comments [c-g]*
2012-02-19 14:28:53 +11:00
ddd.go
test: enable method expression tests in ddd.go
2012-03-07 11:17:26 -08:00
decl.go
test: explanatory comments [c-g]*
2012-02-19 14:28:53 +11:00
declbad.go
test: explanatory comments [c-g]*
2012-02-19 14:28:53 +11:00
defer.go
test: explanatory comments [c-g]*
2012-02-19 14:28:53 +11:00
deferprint.go
test: add cmpout to testlib
2012-02-24 13:17:26 +11:00
deferprint.out
test: split golden.out into expected output per test
2012-01-18 16:12:24 -08:00
divide.go
test: explanatory comments [c-g]*
2012-02-19 14:28:53 +11:00
empty.go
test: explanatory comments [c-g]*
2012-02-19 14:28:53 +11:00
env.go
os: remove Getenverror
2012-02-18 21:18:13 -08:00
eof1.go
test: explanatory comments [c-g]*
2012-02-19 14:28:53 +11:00
eof.go
test: explanatory comments [c-g]*
2012-02-19 14:28:53 +11:00
errchk
errchk: allow multiple patterns
2011-08-16 11:14:26 -04:00
escape2.go
cmd/gc: fix addresses escaping through closures called in-place.
2012-04-23 15:39:01 -04:00
escape3.go
test: explanatory comments [c-g]*
2012-02-19 14:28:53 +11:00
escape4.go
cmd/gc: must not inline panic, recover
2012-03-05 13:51:44 -05:00
escape.go
test: explanatory comments [c-g]*
2012-02-19 14:28:53 +11:00
float_lit.go
test: explanatory comments [c-g]*
2012-02-19 14:28:53 +11:00
floatcmp.go
test: explanatory comments [c-g]*
2012-02-19 14:28:53 +11:00
for.go
test: explanatory comments [c-g]*
2012-02-19 14:28:53 +11:00
func1.go
test: explanatory comments [c-g]*
2012-02-19 14:28:53 +11:00
func2.go
test: explanatory comments [c-g]*
2012-02-19 14:28:53 +11:00
func3.go
test: explanatory comments [c-g]*
2012-02-19 14:28:53 +11:00
func4.go
test: explanatory comments [c-g]*
2012-02-19 14:28:53 +11:00
func5.go
test: explanatory comments [c-g]*
2012-02-19 14:28:53 +11:00
func6.go
test: explanatory comments [c-g]*
2012-02-19 14:28:53 +11:00
func7.go
test: explanatory comments [c-g]*
2012-02-19 14:28:53 +11:00
func8.go
test: explanatory comments [c-g]*
2012-02-19 14:28:53 +11:00
func.go
test: explanatory comments [c-g]*
2012-02-19 14:28:53 +11:00
gc1.go
test: explanatory comments [c-g]*
2012-02-19 14:28:53 +11:00
gc2.go
test: explanatory comments [c-g]*
2012-02-19 14:28:53 +11:00
gc.go
test: explanatory comments [c-g]*
2012-02-19 14:28:53 +11:00
golden.out
cmd/gc: test for issue 3552
2012-05-02 16:56:26 +02:00
goprint.go
test: add cmpout to testlib
2012-02-24 13:17:26 +11:00
goprint.out
test: split golden.out into expected output per test
2012-01-18 16:12:24 -08:00
goto.go
test: explanatory comments [c-g]*
2012-02-19 14:28:53 +11:00
helloworld.go
test: add cmpout to testlib
2012-02-24 13:17:26 +11:00
helloworld.out
test: split golden.out into expected output per test
2012-01-18 16:12:24 -08:00
if.go
test: commentary for [h-m]*.go
2012-02-23 18:47:26 +11:00
import1.go
test: commentary for [h-m]*.go
2012-02-23 18:47:26 +11:00
import2.go
test: use testlib in a few more cases
2012-03-22 02:14:44 +08:00
import3.go
test: commentary for [h-m]*.go
2012-02-23 18:47:26 +11:00
import4.go
test: commentary for [h-m]*.go
2012-02-23 18:47:26 +11:00
import5.go
gc: disallow absolute import paths
2012-02-29 15:28:36 -05:00
import.go
test: commentary for [h-m]*.go
2012-02-23 18:47:26 +11:00
index.go
cmd/gc: fix small integer bounds check bug
2012-05-24 14:01:39 -04:00
indirect1.go
test: commentary for [h-m]*.go
2012-02-23 18:47:26 +11:00
indirect.go
test: commentary for [h-m]*.go
2012-02-23 18:47:26 +11:00
init1.go
test: use testlib (fourth 100)
2012-02-16 23:50:37 -05:00
init.go
test: commentary for [h-m]*.go
2012-02-23 18:47:26 +11:00
initcomma.go
test/initcomma.go: restore what it's supposed to be testing
2012-02-20 07:44:24 +11:00
initialize.go
test: commentary for [h-m]*.go
2012-02-23 18:47:26 +11:00
initializerr.go
test: commentary for [h-m]*.go
2012-02-23 18:47:26 +11:00
int_lit.go
test: commentary for [h-m]*.go
2012-02-23 18:47:26 +11:00
intcvt.go
test: commentary for [h-m]*.go
2012-02-23 18:47:26 +11:00
iota.go
test: commentary for [h-m]*.go
2012-02-23 18:47:26 +11:00
label1.go
test: commentary for [h-m]*.go
2012-02-23 18:47:26 +11:00
label.go
test: commentary for [h-m]*.go
2012-02-23 18:47:26 +11:00
linkx.go
test: commentary for [h-m]*.go
2012-02-23 18:47:26 +11:00
literal.go
test: commentary for [h-m]*.go
2012-02-23 18:47:26 +11:00
mallocfin.go
test: commentary for [h-m]*.go
2012-02-23 18:47:26 +11:00
map1.go
cmd/gc: fix type checking loop
2012-06-07 03:06:40 -04:00
map.go
test: commentary for [h-m]*.go
2012-02-23 18:47:26 +11:00
method1.go
test: commentary for [h-m]*.go
2012-02-23 18:47:26 +11:00
method2.go
test: commentary for [h-m]*.go
2012-02-23 18:47:26 +11:00
method3.go
test: commentary for [h-m]*.go
2012-02-23 18:47:26 +11:00
method4.go
test: test method expressions with parameters, and with import
2012-02-03 16:38:59 -08:00
method4a.go
test: use testlib in a few more cases
2012-03-22 02:14:44 +08:00
method.go
cmd/gc: unnamed struct types can have methods
2012-03-07 02:27:15 -05:00
named1.go
test/[n-z]*.go: add documentation
2012-02-24 11:48:19 +11:00
named.go
gc: return of ideal bool
2012-02-21 22:54:07 -05:00
nil.go
test/[n-r]*.go: add documentation
2012-02-24 10:30:39 +11:00
nilptr.go
test/[n-r]*.go: add documentation
2012-02-24 10:30:39 +11:00
nul1.go
errchk: allow multiple patterns
2011-08-16 11:14:26 -04:00
parentype.go
test/[n-r]*.go: add documentation
2012-02-24 10:30:39 +11:00
peano.go
test/[n-r]*.go: add documentation
2012-02-24 10:30:39 +11:00
printbig.go
test: add cmpout to testlib
2012-02-24 13:17:26 +11:00
printbig.out
test: split golden.out into expected output per test
2012-01-18 16:12:24 -08:00
range.go
cmd/gc: fix parallel assignment in range
2012-05-24 23:05:36 -04:00
recover1.go
test: use testlib (final 61)
2012-02-16 23:51:04 -05:00
recover2.go
test: use testlib (final 61)
2012-02-16 23:51:04 -05:00
recover3.go
test/[n-r]*.go: add documentation
2012-02-24 10:30:39 +11:00
recover.go
test: add test of calling recover in a varargs function
2012-03-01 08:24:03 -08:00
rename1.go
test: fix the fix of the rename tests.
2012-02-24 15:06:32 +11:00
rename.go
test: fix the fix of the rename tests.
2012-02-24 15:06:32 +11:00
reorder2.go
test/[n-r]*.go: add documentation
2012-02-24 10:30:39 +11:00
reorder.go
test: add test for order of evaluation of map index on left of =
2012-04-24 10:17:26 -07:00
rotate.go
test: avoid interface conversion in rotate.go
2012-06-04 23:31:31 +02:00
run
test: use testlib in a few more cases (part 2)
2012-04-20 23:45:43 +08:00
run.go
test: use testlib in a few more cases (part 2)
2012-04-20 23:45:43 +08:00
rune.go
test/[n-r]*.go: add documentation
2012-02-24 10:30:39 +11:00
runtime.go
test/[n-r]*.go: add documentation
2012-02-24 10:30:39 +11:00
shift1.go
test/[n-z]*.go: add documentation
2012-02-24 11:48:19 +11:00
shift2.go
test/[n-z]*.go: add documentation
2012-02-24 11:48:19 +11:00
sieve.go
test/[n-z]*.go: add documentation
2012-02-24 11:48:19 +11:00
sigchld.go
test/[n-z]*.go: add documentation
2012-02-24 11:48:19 +11:00
sigchld.out
test: split golden.out into expected output per test
2012-01-18 16:12:24 -08:00
simassign.go
test/[n-z]*.go: add documentation
2012-02-24 11:48:19 +11:00
sinit.go
test/[n-z]*.go: add documentation
2012-02-24 11:48:19 +11:00
sizeof.go
test/[n-z]*.go: add documentation
2012-02-24 11:48:19 +11:00
solitaire.go
test/[n-z]*.go: add documentation
2012-02-24 11:48:19 +11:00
stack.go
test/[n-z]*.go: add documentation
2012-02-24 11:48:19 +11:00
string_lit.go
test/[n-z]*.go: add documentation
2012-02-24 11:48:19 +11:00
stringrange.go
test/[n-z]*.go: add documentation
2012-02-24 11:48:19 +11:00
struct0.go
test/[n-z]*.go: add documentation
2012-02-24 11:48:19 +11:00
switch3.go
test/[n-z]*.go: add documentation
2012-02-24 11:48:19 +11:00
switch.go
test/[n-z]*.go: add documentation
2012-02-24 11:48:19 +11:00
testlib
test: use testlib in a few more cases (part 2)
2012-04-20 23:45:43 +08:00
turing.go
test/[n-z]*.go: add documentation
2012-02-24 11:48:19 +11:00
typeswitch1.go
test/[n-z]*.go: add documentation
2012-02-24 11:48:19 +11:00
typeswitch2.go
test/[n-z]*.go: add documentation
2012-02-24 11:48:19 +11:00
typeswitch3.go
test/[n-z]*.go: add documentation
2012-02-24 11:48:19 +11:00
typeswitch.go
test/[n-z]*.go: add documentation
2012-02-24 11:48:19 +11:00
undef.go
test/[n-z]*.go: add documentation
2012-02-24 11:48:19 +11:00
utf.go
test/[n-z]*.go: add documentation
2012-02-24 11:48:19 +11:00
varerr.go
test/[n-z]*.go: add documentation
2012-02-24 11:48:19 +11:00
varinit.go
test/[n-z]*.go: add documentation
2012-02-24 11:48:19 +11:00
zerodivide.go
test: [a-c]: add introductory comments to tests
2012-02-19 13:19:43 +11:00