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fdb030d86f
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26 Commits

Author SHA1 Message Date
Russ Cox
fdb030d86f 6g etc: groundwork for eliminating redundant bounds checks. 
drop check in range over array.
	drop check in [256]array indexed by byte.

R=ken2
https://golang.org/cl/163088
 2009-12-02 17:30:07 -08:00
Evan Shaw
1664e81585 8g: Match sgen definition to declaration 
R=rsc
CC=golang-dev
https://golang.org/cl/164069
 2009-12-01 21:42:35 -08:00
Russ Cox
dc30800c28 8g: call throwindex for array out of bounds 
R=ken2
https://golang.org/cl/160043
 2009-11-23 12:58:28 -08:00
Russ Cox
652f55672d x[lo:] - gc and runtime. 
* add runtime sliceslice1 for x[lo:]
  * remove runtime arraytoslice, rewriting &arr into arr[0:len(arr)].
  * port cgen_inline into 8g, 5g.
  * use native memmove in maps

R=ken2
https://golang.org/cl/157106
 2009-11-20 09:11:46 -08:00
Russ Cox
ef46a9ddac gc: fix up floating point NaN comparisons 
Fixes #167.

R=ken2
https://golang.org/cl/155062
 2009-11-15 17:24:14 -08:00
Russ Cox
9dd2e1e30f nil pointer checks in 8g. 
fix nil pointer check in 6g.
was dereferencing after the ADD;
dereference before instead.

R=ken@golang.org
CC=iant
http://go/go-review/1016022
 2009-11-01 21:04:16 -08:00
Russ Cox
b71c484c91 fix 386 build - register allocation and shift bug 
R=ken
OCL=35140
CL=35142
 2009-09-30 08:56:01 -07:00
Russ Cox
a95ee61aea ideal bools and related fixes 
R=ken
OCL=34859
CL=34865
 2009-09-21 15:45:55 -07:00
Russ Cox
1a0860b93f make 5g, 8g build again by disabling init code. 
R=ken
OCL=34604
CL=34604
 2009-09-14 14:27:19 -07:00
Russ Cox
89f69bb3be gc: handle iface == nil in back end 
R=ken
OCL=33778
CL=33781
 2009-08-24 15:20:37 -07:00
Russ Cox
8a45917f3d len and cap on chans 
R=ken
OCL=33599
CL=33599
 2009-08-20 11:12:04 -07:00
Russ Cox
b754b4348f delete some code from walkexpr that is now 
handled by typecheck.

second switch is gone

move floating point minus into back end

R=ken
OCL=32558
CL=32558
 2009-07-30 18:56:44 -07:00
Russ Cox
ff3a73b407 typechecking checkpoint. 
started to move typechecking to another file.
can build entire tree still, but lots of work
is duplicated.  much to clean up.

R=ken
OCL=32536
CL=32543
 2009-07-30 16:53:08 -07:00
Russ Cox
189153ed13 fix error that gcc thinks is a warning 
R=ken
OCL=32264
CL=32386
 2009-07-28 17:02:05 -07:00
Russ Cox
30228a3bc6 avoid register computing len(x), cap(x) 
for slice or string x.

R=ken
OCL=32249
CL=32249
 2009-07-27 15:55:27 -07:00
Russ Cox
7472f4c951 bug168 (dsymonds) + fix 
R=ken
OCL=31399
CL=31399
 2009-07-09 12:08:50 -07:00
Russ Cox
6da41be2d3 fix float32 comparison. was doing l op l instead of l op r. 
R=ken
OCL=31190
CL=31190
 2009-07-06 09:05:33 -07:00
Russ Cox
0aef57e37f fix a 6g crash after type errors. 
do not bother warning about marks left
on stack after syntax errors.

leave OCONV nodes in tree to avoid type errors
arising from multiple walks.

R=ken
OCL=30639
CL=30662
 2009-06-23 15:30:59 -07:00
Russ Cox
3c06bd6201 an 8g checkpoint. 
needs cleanup, optimizer,
but all.bash works.

R=ken
OCL=29974
CL=30000
 2009-06-06 19:28:16 -07:00
Russ Cox
9a9ffb2b0e more 8g progress. 
likely to go back to registers for most temporaries.

most tests in lib pass.  these fail:

	datafmt
	fmt
	go/scanner
	log
	reflect
	strconv
	template

R=ken
OCL=29896
CL=29898
 2009-06-04 15:24:01 -07:00
Russ Cox
ab3d40b271 trivial cut and paste: move 64-bit simulation into cgen64.c 
R=ken
OCL=29812
CL=29812
 2009-06-02 23:26:02 -07:00
Russ Cox
a00bfb5b49 8g: 
* floating point -> integer conversions.
    x86 defines that overflow/underflow
    results in 1<<15, 1<<31, 1<<63 for
    int16, int32, int64.  when building the
    unsigned conversions out of the native signed
    ones, 8g turns overflow/underflow into zero.
    the spec does not say what should happen.

  * many tiny bug fixes.  can run a large number
    of files from go/test now, and can fmt.Printf.

  * struggling with byte register allocation
    and float32 computation.

R=ken
OCL=29642
CL=29811
 2009-06-02 23:25:17 -07:00
Russ Cox
6e1762c06e 64-bit integer arithmetic. 
passes ridiculous test from CL 29569.

R=ken
OCL=29571
CL=29573
 2009-05-29 00:13:09 -07:00
Russ Cox
3aa006b8cd better 64-bit handling in 8g. 
fewer moves, fewer stupid LEALs.
powser1 runs (with evaln commented out).
beginnings of floating point.

R=ken
OCL=29540
CL=29543
 2009-05-28 15:48:47 -07:00
Russ Cox
a8e4ed6a3d 8g: 64-bit arithmetic and assorted bug fixes; 
can run 64-bit sieve and powser.
interfaces are limping along.
next hurdle is floating point.

R=ken
OCL=29418
CL=29423
 2009-05-26 21:07:26 -07:00
Russ Cox
5ecd010beb more 8g. 
test/turing.go runs if you move the big array off its stack.

finally remembered to g4 add cgen.c gsubr.c

R=ken
OCL=29408
CL=29408
 2009-05-26 16:23:54 -07:00