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Author SHA1 Message Date
Robert Griesemer
fed0435257 renamed fast.arith.s to include $GOARCH 
R=rsc
DELTA=80  (40 added, 40 deleted, 0 changed)
OCL=33024
CL=33027
 2009-08-11 11:23:05 -07:00
Russ Cox
0496040bd6 remove unnecessary pkg. references 
R=r
DELTA=95  (0 added, 0 deleted, 95 changed)
OCL=33012
CL=33012
 2009-08-10 22:02:51 -07:00
Russ Cox
7732f79daa fix indirect error 
x.go:3: invalid indirect of X (type int)

was
x.go:3: invalid indirect of nil

R=ken
OCL=33008
CL=33008
 2009-08-10 18:19:32 -07:00
Robert Griesemer
0dbd8971a2 - use in-place bignum operations where available 
- runs approx. 30% faster

R=r
DELTA=24  (10 added, 2 deleted, 12 changed)
OCL=32984
CL=33005
 2009-08-10 17:44:46 -07:00
Robert Griesemer
8db8682453 - factored out 128-bit muladd and div into arith.go 
- wrote corresponding fast versions in fast.arith.s
- implemented in-place operations for some routines
- updated existing code to be compatible with in-place
  routines

These changes allow the pidigits benchmark to run
approx. 30% faster. Enabling the assembly routines
in fast.arith.s will give another approx. 3%.

R=r
DELTA=486  (252 added, 68 deleted, 166 changed)
OCL=32980
CL=33003
 2009-08-10 17:29:55 -07:00
Rob Pike
ea8197cb45 new timing data after compiler updates (fp regs, integer div and mod) 
R=rsc
DELTA=90  (90 added, 0 deleted, 0 changed)
OCL=32993
CL=33001
 2009-08-10 17:04:59 -07:00
Austin Clements
64193fcaa2 Implement switch statement. Can now extract effects from 
non-addressable expressions.

R=rsc
APPROVED=rsc
DELTA=241  (202 added, 15 deleted, 24 changed)
OCL=32790
CL=32995
 2009-08-10 16:27:54 -07:00
Russ Cox
3f91f80a21 8-bit div and mod 
R=ken
OCL=32975
CL=32975
 2009-08-10 12:46:23 -07:00
Ken Thompson
f70e285178 bug in int8 mod 
R=rsc
OCL=32971
CL=32971
 2009-08-10 11:20:33 -07:00
Stephen Ma
e4603db393 Add methods AllMatches, AllMatchesString, AllMatchesIter, 
AllMatchesStringIter, based on sawn and sawzall functions in sawzall.

APPROVED=rsc
DELTA=218  (218 added, 0 deleted, 0 changed)
OCL=32408
CL=32949
 2009-08-09 19:30:47 -07:00
David Symonds
b65a5225f6 Partially fix build: don't assume . is in PATH. 
APPROVED=rsc
DELTA=1  (1 added, 0 deleted, 0 changed)
OCL=32948
CL=32948
 2009-08-09 19:18:40 -07:00
Ken Thompson
60238e25bf increase from 3 to 11 floating registers 
R=rsc
OCL=32947
CL=32947
 2009-08-09 16:42:21 -07:00
Ken Thompson
34f76b5de5 1. integer division by a constant done. 
2. moved functions from 6g to gc
for portability to other families.
3. added rotate-carry instructions to
peek and reg.

R=rsc
OCL=32946
CL=32946
 2009-08-09 15:16:06 -07:00
David Symonds
ffed3ade19 Regenerate v7.tar with a real V7 tar. 
Fix octal parsing that it unearthed.

R=rsc
APPROVED=rsc
DELTA=11  (5 added, 0 deleted, 6 changed)
OCL=32924
CL=32945
 2009-08-09 15:03:30 -07:00
Rob Pike
266a2c47e0 run benchmarks in a relatively fast test mode, as part of run.bash/all.bash 
R=rsc
DELTA=293  (224 added, 0 deleted, 69 changed)
OCL=32917
CL=32944
 2009-08-09 14:31:05 -07:00
Ken Thompson
812f06b3ca another plateau - almost done 
only need to fix up certain
denominators

R=rsc
OCL=32928
CL=32928
 2009-08-08 16:53:21 -07:00
Ken Thompson
07044ba6e5 plateau in divide by a constant 
still to do - overflow, mod

R=rsc
OCL=32927
CL=32927
 2009-08-08 15:26:09 -07:00
Ken Thompson
8b8a2bd945 more work on divide by constant. 
no real change -- disabled because of bugs

R=rsc
OCL=32923
CL=32923
 2009-08-07 20:21:04 -07:00
Robert Griesemer
4b90833803 - clarified section on return statements 
- added some TODOs

DELTA=46  (15 added, 4 deleted, 27 changed)
OCL=32901
CL=32918
 2009-08-07 17:05:41 -07:00
Russ Cox
6be0f50b97 bug159 
R=ken
OCL=32902
CL=32914
 2009-08-07 16:47:54 -07:00
Rob Pike
c12ccabb9c chameneos 
R=rsc
DELTA=514  (513 added, 0 deleted, 1 changed)
OCL=32898
CL=32910
 2009-08-07 15:28:46 -07:00
Russ Cox
002623704f remove 8.out before creating it. 
hope this will work around Mac NFS bug
where writing to an 8.out that has crashed
recently sometimes wedges NFS.

R=r
DELTA=3  (3 added, 0 deleted, 0 changed)
OCL=32906
CL=32908
 2009-08-07 15:22:09 -07:00
Russ Cox
39b12e2dcb bug185 - return b,a from func() (a,b int) 
R=ken
OCL=32900
CL=32900
 2009-08-07 14:38:31 -07:00
Russ Cox
0ab8dbef76 annotations 
TBR=r
OCL=32896
CL=32896
 2009-08-07 14:18:30 -07:00
Russ Cox
d1ee5d6e8f bug184 - assignment compatibility in unpacked multireturn 
R=ken
OCL=32890
CL=32894
 2009-08-07 14:00:18 -07:00
Rob Pike
5005fb46a2 simplify threadring slightly; slight speed improvement 
R=rsc
DELTA=7  (3 added, 3 deleted, 1 changed)
OCL=32885
CL=32889
 2009-08-07 13:30:20 -07:00
Russ Cox
aa7bd48389 bug183 - embedded vs non-embedded struct field in eqtype 
R=ken
OCL=32888
CL=32888
 2009-08-07 13:23:09 -07:00
Russ Cox
468f244416 bug182 - compiler crash 
R=ken
OCL=32887
CL=32887
 2009-08-07 13:17:28 -07:00
Russ Cox
6c2738eb43 bug181 - type T *struct { T } is an invalid embedded type 
R=ken
OCL=32886
CL=32886
 2009-08-07 13:14:01 -07:00
Russ Cox
99eca57d43 clean up a few error messages; 
disable func redeclaration mismatch test;
fix golden.out

R=ken
OCL=32883
CL=32883
 2009-08-07 13:00:20 -07:00
Russ Cox
76a763e0be 8 shift bug 
R=ken
OCL=32882
CL=32882
 2009-08-07 12:57:44 -07:00
Rob Pike
c30d81bd23 threadring 
more interesting than most

R=rsc
DELTA=132  (131 added, 0 deleted, 1 changed)
OCL=32876
CL=32881
 2009-08-07 12:53:51 -07:00
Russ Cox
b648716ee9 forward declarations not necessary. 
still to do:
	* initializer cycle detection
	* nicer error for type checking cycles

R=ken
OCL=32855
CL=32880
 2009-08-07 12:50:26 -07:00
Rob Pike
e98dde27ef timing updates after 6g change for efficient division by powers of two 
R=rsc
DELTA=25  (23 added, 0 deleted, 2 changed)
OCL=32873
CL=32875
 2009-08-07 10:39:45 -07:00
Ken Thompson
f1baf78247 divide by a constant power of 2 
R=rsc
OCL=32858
CL=32858
 2009-08-06 22:33:12 -07:00
Rob Pike
2f9c48f6d1 timings for pidigits 
TBR=rsc
OCL=32857
CL=32857
 2009-08-06 18:27:15 -07:00
Robert Griesemer
081bc69cde - initial version of pidigits.go benchmark 
- extra bignum.go functionality for pidigits.go
- tuned bignum multiplication

R=r
DELTA=193  (186 added, 0 deleted, 7 changed)
OCL=32852
CL=32856
 2009-08-06 18:16:51 -07:00
Rob Pike
7655588438 meteor-contest 
R=rsc
DELTA=1276  (1275 added, 0 deleted, 1 changed)
OCL=32851
CL=32854
 2009-08-06 18:04:48 -07:00
Robert Griesemer
2b87d95f01 - allow more general type switch syntax 
- support for reverse printing of AST
  (for compiler testing)
- added -reverse flag to gofmt

R=rsc
DELTA=163  (125 added, 11 deleted, 27 changed)
OCL=32808
CL=32853
 2009-08-06 17:44:56 -07:00
Rob Pike
c68398617b mandelbrot 
R=rsc
DELTA=147  (145 added, 0 deleted, 2 changed)
OCL=32840
CL=32845
 2009-08-06 14:21:21 -07:00
Austin Clements
e2e6becf3a Make ptrace_linux compile with recent changes to switch type 
checking.

R=rsc
APPROVED=rsc
DELTA=11  (0 added, 0 deleted, 11 changed)
OCL=32839
CL=32841
 2009-08-06 13:54:13 -07:00
Rob Pike
7955490de2 add runtime.GOMAXPROCS, allowing a program to, in effect, set $GOMAXPROCS 
R=rsc
DELTA=29  (28 added, 1 deleted, 0 changed)
OCL=32829
CL=32837
 2009-08-06 13:07:05 -07:00
Rob Pike
ae3939cb78 k-nucleotide 
R=rsc
DELTA=367  (366 added, 0 deleted, 1 changed)
OCL=32832
CL=32836
 2009-08-06 13:00:26 -07:00
Robert Griesemer
5876cb0e63 - bufio.ReadRune fix for empty reads w/o errors 
- added testcases

R=rsc
DELTA=61  (56 added, 2 deleted, 3 changed)
OCL=32831
CL=32834
 2009-08-06 12:05:16 -07:00
Robert Griesemer
2117ad192d minor fix 
R=rsc
DELTA=2  (1 added, 1 deleted, 0 changed)
OCL=32828
CL=32830
 2009-08-06 10:53:29 -07:00
Rob Pike
158f3f6440 parallel spectral-norm 
R=rsc
DELTA=85  (84 added, 1 deleted, 0 changed)
OCL=32810
CL=32810
 2009-08-05 18:44:49 -07:00
Rob Pike
8764ebee95 spectral-norm 
make regexp-dna use bytes not strings (no significant timing change)

R=rsc
DELTA=149  (138 added, 1 deleted, 10 changed)
OCL=32804
CL=32807
 2009-08-05 17:25:38 -07:00
Robert Griesemer
a288095813 - FieldByName lookup through anonymous fields 
- FieldByIndex
- changed StructField.Index type from int -> []int
- adjustments to reflect clients

R=rsc,r
DELTA=336  (263 added, 47 deleted, 26 changed)
OCL=32731
CL=32802
 2009-08-05 15:56:44 -07:00
Rob Pike
3355cadf3f support []byte (more efficient) as well as string in the interfaces. 
change the names; Match is for []byte and MatchString is for string, etc.

R=rsc
DELTA=195  (155 added, 0 deleted, 40 changed)
OCL=32800
CL=32800
 2009-08-05 15:44:45 -07:00
Rob Pike
5a4d431dd1 special case: recognize '[^\n]' and make it as fast as '.' 
R=rsc
DELTA=25  (23 added, 1 deleted, 1 changed)
OCL=32793
CL=32799
 2009-08-05 14:40:34 -07:00