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Commit Graph

667 Commits

Author SHA1 Message Date
Jan Ziak
13cbf41a7f cmd/gc: initialize t->width in dgcsym() if required
Update #5291.

R=golang-dev, daniel.morsing, iant, r
CC=golang-dev
https://golang.org/cl/8663052
2013-04-25 18:47:12 +02:00
Jan Ziak
db1c218d4f undo CL 8954044 / ad3c2ffb16d7
It works on i386, but fails on amd64 and arm.

««« original CL description
runtime: prevent the GC from seeing the content of a frame in runfinq()

Fixes #5348.

R=golang-dev, dvyukov
CC=golang-dev
https://golang.org/cl/8954044
»»»

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/8695051
2013-04-25 18:12:09 +02:00
Jan Ziak
e9bbe3a8da runtime: prevent the GC from seeing the content of a frame in runfinq()
Fixes #5348.

R=golang-dev, dvyukov
CC=golang-dev
https://golang.org/cl/8954044
2013-04-25 13:39:09 +02:00
Daniel Morsing
7b8e08617e cmd/gc: disable inlining of method values
They caused internal compiler errors and they're expensive enough that inlining them doesn't make sense.

Fixes #5259.

R=golang-dev, r, iant, remyoudompheng
CC=golang-dev
https://golang.org/cl/8636043
2013-04-13 08:22:16 +02:00
Volker Dobler
a9f1569e7b gc: escape unicode BOM in exported string literals
Fixes #5260.

R=golang-dev, minux.ma, 0xjnml, r
CC=golang-dev
https://golang.org/cl/8658043
2013-04-11 11:45:18 -07:00
Rémy Oudompheng
20e05303fe cmd/gc: properly set variadic flag on method values.
Fixes #5231.

R=golang-dev, daniel.morsing, adg
CC=golang-dev
https://golang.org/cl/8275044
2013-04-08 08:59:33 +02:00
Rémy Oudompheng
2d3216f4a8 cmd/gc: fix Offsetof computation.
The offset of an embedded field s.X must be relative to s
and not to the implicit s.Field of which X is a direct field.
Moreover, no indirections may happen on the path.

Fixes #4909.

R=nigeltao, ality, daniel.morsing, iant, gri, r
CC=golang-dev
https://golang.org/cl/8287043
2013-04-05 21:24:07 +02:00
Rémy Oudompheng
4b6ca21271 cmd/gc: be more tolerant with recursive types when checking map types.
A nested TFORW type would push algtype1 into an impossible case.

Fixes #5125.

R=golang-dev, daniel.morsing
CC=golang-dev
https://golang.org/cl/8213043
2013-04-03 08:18:30 +02:00
Rémy Oudompheng
df9f4f14b9 cmd/gc: do not reuse bool temporaries for composite equality.
Reusing it when multiple comparisons occurred in the same
function call led to bad overwriting.

Fixes #5162.

R=golang-dev, daniel.morsing
CC=golang-dev
https://golang.org/cl/8174047
2013-04-01 21:01:50 +02:00
Rémy Oudompheng
d815a14718 cmd/5l, cmd/6l, cmd/8l: fix segfault on reading LOCALS for a duplicate definition.
Fixes #5105.

R=golang-dev, dave, daniel.morsing, rsc
CC=golang-dev
https://golang.org/cl/7965043
2013-03-25 22:09:55 +01:00
Rémy Oudompheng
88b98ff791 cmd/gc: accept ideal float as indices.
Fixes #4813.

R=golang-dev, daniel.morsing, rsc
CC=golang-dev
https://golang.org/cl/7625050
2013-03-22 00:38:23 +01:00
Russ Cox
38e9b0773d cmd/gc: fix escape analysis of method values
R=ken2
CC=golang-dev
https://golang.org/cl/7518050
2013-03-20 23:53:27 -04:00
Daniel Morsing
7c3694c4de cmd/gc: reject methods on non-locals, even if symbol exists
Fixes #5089.

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/7767044
2013-03-20 22:18:20 +01:00
Daniel Morsing
2667dcd113 cmd/gc: steal escape analysis info when inlining
Usually, there is no esc info when inlining, but there will be when generating inlined wrapper functions.

If we don't use this information, we get invalid addresses on the stack.

Fixes #5056.

R=golang-dev, rsc
CC=golang-dev, remyoudompheng
https://golang.org/cl/7850045
2013-03-18 22:22:35 +01:00
Russ Cox
615f289209 cmd/gc: ensure unique parameter and result names in function types
In addition to fixing the bug, the check is now linear instead of quadratic.

Fixes #4469.

R=ken2
CC=golang-dev
https://golang.org/cl/7773047
2013-03-15 15:24:13 -04:00
Rémy Oudompheng
20c7e41555 cmd/gc: fix escape analysis bug.
It used to not mark parameters as escaping if only one of the
fields it points to leaks out of the function. This causes
problems when importing from another package.

Fixes #4964.

R=rsc, lvd, dvyukov, daniel.morsing
CC=golang-dev
https://golang.org/cl/7648045
2013-03-15 09:03:45 +01:00
Rémy Oudompheng
4c203172a2 cmd/8g: fix code generation of int64(0) == int64(0).
The code would violate the contract of cmp64.

Fixes #5002.

R=rsc, golang-dev
CC=golang-dev
https://golang.org/cl/7593043
2013-03-07 21:47:45 +01:00
Russ Cox
ecab408c42 cmd/gc: implement new return requirements
Fixes #65.

R=ken2
CC=golang-dev
https://golang.org/cl/7441049
2013-03-04 17:02:04 -05:00
Rémy Oudompheng
b0bb6f8cee cmd/gc: unbreak exporting of composite literals.
Fixes #4932.

R=golang-dev, dave, rsc
CC=golang-dev
https://golang.org/cl/7437043
2013-03-04 16:42:03 +01:00
Rémy Oudompheng
9e66ee4562 cmd/gc: fix corruption in export of &T{} literals.
Composite literals using the &T{} form were incorrectly
exported, leading to weird errors at import time.

Fixes #4879.

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/7395054
2013-02-26 00:43:31 +01:00
Russ Cox
ac1015e7f3 cmd/8g: fix sse2 compare code gen
Fixes #4785.

R=ken2
CC=golang-dev
https://golang.org/cl/7300109
2013-02-14 14:49:04 -05:00
Russ Cox
7594440ef1 cmd/8g: add a few missing splitclean
Fixes #887.

R=ken2
CC=golang-dev
https://golang.org/cl/7303061
2013-02-07 17:55:25 -05:00
Russ Cox
fd178d6a7e cmd/gc: add way to specify 'noescape' for extern funcs
A new comment directive //go:noescape instructs the compiler
that the following external (no body) func declaration should be
treated as if none of its arguments escape to the heap.

Fixes #4099.

R=golang-dev, dave, minux.ma, daniel.morsing, remyoudompheng, adg, agl, iant
CC=golang-dev
https://golang.org/cl/7289048
2013-02-05 07:00:38 -05:00
Russ Cox
399dcc75a8 cmd/gc: fix &^ code generation bug
Was not re-walking the new AND node, so that its ullman
count was wrong, so that the code generator attempted to
store values in registers across the call.

Fixes #4752.

R=ken2
CC=golang-dev
https://golang.org/cl/7288054
2013-02-04 00:21:44 -05:00
Russ Cox
f02067a99a cmd/gc: implement latest rules for checking make sizes
Fixes #4085.

R=ken2
CC=golang-dev
https://golang.org/cl/7277047
2013-02-03 14:28:44 -05:00
Russ Cox
09a17ca1f1 cmd/gc: make inlined labels distinct
Fixes #4748.

R=ken2
CC=golang-dev
https://golang.org/cl/7261044
2013-02-03 11:19:22 -05:00
Russ Cox
d82dcadb57 cmd/gc: clean up string index errors
Unify with array/slice errors, which were already good.

Fixes #4232.

R=ken2
CC=golang-dev
https://golang.org/cl/7271046
2013-02-03 02:01:05 -05:00
Russ Cox
ffc742b658 cmd/gc: allow new conversion syntax
For consistency with conversions that look like function calls,
conversions that don't look like function calls now allow an
optional trailing comma.

That is, int(x,) has always been syntactically valid.
Now []int(x,) is valid too.

Fixes #4162.

R=ken2
CC=golang-dev
https://golang.org/cl/7288045
2013-02-03 00:03:10 -05:00
Russ Cox
2af3cbe308 cmd/gc: treat &T{} like new(T): allocate on stack if possible
Fixes #4618.

R=ken2
CC=golang-dev
https://golang.org/cl/7278048
2013-02-02 23:54:21 -05:00
Russ Cox
a72f9f46a2 cmd/gc: avoid duplicate allocation during inlining
Fixes #4667.

R=ken2
CC=golang-dev
https://golang.org/cl/7275046
2013-02-02 23:17:25 -05:00
Daniel Morsing
5ea52a4d91 cmg/gc: Fix evaluation order of map indexing during multiple assignments
Fixes #4620.

R=rsc
CC=golang-dev
https://golang.org/cl/7241051
2013-02-02 12:39:04 +01:00
Russ Cox
8931306389 cmd/gc: reject non-Go constants
Expressions involving nil, even if they can be evaluated
at compile time, do not count as Go constants and cannot
be used in const initializers.

Fixes #4673.
Fixes #4680.

R=ken2
CC=golang-dev
https://golang.org/cl/7278043
2013-02-01 23:10:02 -05:00
Russ Cox
f607c479ea cmd/gc: silence redundant error prints for misuse of [...]int
Fixes #4452.

R=ken2
CC=golang-dev
https://golang.org/cl/7241065
2013-02-01 21:21:27 -05:00
Russ Cox
e2711cb202 cmd/gc: put 'not used' message on correct line
Fixes #4663.

R=ken2
CC=golang-dev
https://golang.org/cl/7235081
2013-02-01 21:13:41 -05:00
Russ Cox
79a16a3b70 cmd/gc: clearer error for defer/go of conversion or invalid function call
Fixes #4654.

R=ken2
CC=golang-dev
https://golang.org/cl/7229072
2013-02-01 21:02:15 -05:00
Ian Lance Taylor
193ff39ac9 test: add test that caused a gccgo compilation failure
Updates #4734.

R=golang-dev, adg
CC=golang-dev
https://golang.org/cl/7228079
2013-01-31 15:59:30 -08:00
Daniel Morsing
ba05a43608 cmd/gc: Error out on division by constant zero.
Fixes #4264.

R=cldorian, rsc
CC=golang-dev
https://golang.org/cl/6845113
2013-01-30 20:21:08 +01:00
Ian Lance Taylor
e38339e3d8 test: add test case miscompiled by gccgo
R=golang-dev, bradfitz, rsc, iant
CC=golang-dev
https://golang.org/cl/7240043
2013-01-28 16:17:06 -08:00
Rémy Oudompheng
4f6a2b9840 test: add support for build tags.
This enables a few tests that were only executed
unconditionnally.

R=rsc, minux.ma, bradfitz
CC=golang-dev
https://golang.org/cl/7103051
2013-01-28 21:29:45 +01:00
Rémy Oudompheng
09cb91eddc test: re-enable issue4348.go.
The test array is too large to fit a stack frame
but can be a global.

R=golang-dev, minux.ma
CC=golang-dev
https://golang.org/cl/7127059
2013-01-18 22:54:27 +01:00
Daniel Morsing
c0d9bf5650 cmd/gc: more robust checking of OIND nodes.
Fixes #4610.

R=golang-dev, remyoudompheng, rsc
CC=golang-dev, nigeltao
https://golang.org/cl/7058057
2013-01-18 22:46:10 +01:00
Rémy Oudompheng
1d6eb2e9fa cmd/gc: fix handling of struct padding in hash/eq.
The test case of issue 4585 was not passing due to
miscalculation of memequal args, and the previous fix
does not handle padding at the end of a struct.

Handling of padding at end of structs also fixes the case
of [n]T where T is such a padded struct.

Fixes #4585.
(again)

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/7133059
2013-01-18 22:40:32 +01:00
Rémy Oudompheng
d127ed5378 cmd/gc, cmd/6g: fix error on large stacks.
Fixes #4666.

R=golang-dev, daniel.morsing, rsc
CC=golang-dev
https://golang.org/cl/7141047
2013-01-18 22:36:43 +01:00
Rémy Oudompheng
2ad57b4583 cmd/gc: don't hash nor compare struct padding or blank fields.
Fixes #4585.

R=rsc, golang-dev
CC=golang-dev
https://golang.org/cl/7142052
2013-01-18 18:26:43 +01:00
Rémy Oudompheng
578f24d532 test: add rotate.go and fixedbugs/bug313
Update #4139.

R=golang-dev, iant
CC=golang-dev
https://golang.org/cl/7094047
2013-01-11 22:42:55 +01:00
Rémy Oudompheng
8fff2525cb cmd/gc: add space to export data to match linker expectations
The linker split PKGDEF into (prefix, name, def) pairs,
and defines def to begin after a space following the identifier.
This is totally wrong for the following export data:

        func "".FunctionName()
        var SomethingCompletelyUnrelated int

The linker would parse
    name=`"".FunctionName()\n\tvar`
    def=`SomethingCompletelyUnrelated int`
since there is no space after FunctionName.

R=minux.ma, rsc
CC=golang-dev
https://golang.org/cl/7068051
2013-01-09 22:02:53 +01:00
Rémy Oudompheng
fba96e915d cmd/gc: fix uintptr(nil) issues.
A constant node of type uintptr with a nil literal could
happen in two cases: []int(nil)[1:] and
uintptr(unsafe.Pointer(nil)).

Fixes #4614.

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/7059043
2013-01-08 00:23:02 +01:00
Daniel Morsing
f1e4ee3f49 cmd/5g, cmd/6g, cmd/8g: flush return parameters in case of panic.
Fixes #4066.

R=rsc, minux.ma
CC=golang-dev
https://golang.org/cl/7040044
2013-01-04 17:07:21 +01:00
Rémy Oudompheng
20c76f7f3f cmd/gc: mark wrapper methods for unnamed types as DUPOK.
Unnamed types like structs with embedded fields can have methods.
These methods are generated on-the-fly by the compiler and
it may happen for identical types in different packages.
The linker must accept these multiple definitions.

Fixes #4590.

R=golang-dev, rsc
CC=golang-dev, remy
https://golang.org/cl/7030051
2013-01-02 21:42:26 +01:00
Russ Cox
ae2131ab3b cmd/gc: make redeclaration between import and func less confusing
Fixes #4510.

R=ken2
CC=golang-dev
https://golang.org/cl/7001054
2013-01-02 15:34:28 -05:00