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Author SHA1 Message Date
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
Austin Clements
3776f31144 Make os.RemoveAll return no error if path does not exist. 
This fixes a problem introduced by CL 32684 into gobuild,
which used to use 'rm -rf' to remove the _obj directory.

R=rsc
APPROVED=rsc
DELTA=8  (4 added, 0 deleted, 4 changed)
OCL=32794
CL=32796
 2009-08-05 14:18:54 -07:00
Rob Pike
d9a0bc9b58 regex-dna 
R=rsc
DELTA=243  (242 added, 0 deleted, 1 changed)
OCL=32786
CL=32791
 2009-08-05 13:03:46 -07:00
Austin Clements
6adadeb3ab Implement struct types, selector expressions, and type 
declarations.

R=rsc
APPROVED=rsc
DELTA=587  (519 added, 21 deleted, 47 changed)
OCL=32754
CL=32788
 2009-08-05 11:49:51 -07:00
Rob Pike
6b7bf38487 fannkuch 
R=rsc
DELTA=240  (239 added, 0 deleted, 1 changed)
OCL=32783
CL=32785
 2009-08-05 11:33:59 -07:00
Russ Cox
2609731736 delay range processing. old2new is gone 
R=ken
OCL=32780
CL=32780
 2009-08-05 02:33:30 -07:00
Russ Cox
54b403723b delay := processing 
R=ken
OCL=32772
CL=32772
 2009-08-05 00:42:44 -07:00
Russ Cox
ebdbbe0f49 fix amd64 build 
R=ken
OCL=32771
CL=32771
 2009-08-05 00:11:24 -07:00
Russ Cox
a121410541 make Syms smaller. 
collapse a lot of duplication in dcl.c
switch to NodeList* from Dcl*

R=ken
OCL=32770
CL=32770
 2009-08-04 22:59:23 -07:00
Rob Pike
3a23e53387 binary tree 
R=rsc
DELTA=324  (323 added, 0 deleted, 1 changed)
OCL=32759
CL=32768
 2009-08-04 19:38:08 -07:00
Russ Cox
4dec8ef35a get function calls out of the way before 
allocating registers in shift and div.

fix behavior when res == a reserved register.

R=ken
OCL=32765
CL=32767
 2009-08-04 19:16:57 -07:00
Russ Cox
aa347c4a0d move various bits of code around 
and delete some dead code.
no actual changes here.

R=ken
OCL=32764
CL=32764
 2009-08-04 18:43:32 -07:00
Russ Cox
d169dcee3b fix division bug 
R=ken
OCL=32760
CL=32760
 2009-08-04 17:59:10 -07:00
Rob Pike
abaf604648 add info about Sqrt instruction 
couple of fixes to timing.sh

R=rsc
DELTA=10  (5 added, 0 deleted, 5 changed)
OCL=32742
CL=32756
 2009-08-04 17:31:19 -07:00
Russ Cox
dbe004efe4 delayed evaluation of var blocks 
R=ken
OCL=32750
CL=32753
 2009-08-04 16:53:06 -07:00
Rob Pike
b8732215c3 fix build 
R=gri,rsc
OCL=32748
CL=32748
 2009-08-04 15:35:58 -07:00
Rob Pike
5b1fb14371 nbody benchmark 
timing.sh improvements

R=rsc
DELTA=334  (319 added, 0 deleted, 15 changed)
OCL=32734
CL=32736
 2009-08-04 14:27:46 -07:00