https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78720
--- Comment #2 from Markus Trippelsdorf ---
% cat illegal_inst.cpp
extern signed char var_13;
long int rrr;
void foo() {
rrr = !0 % ((var_13 < 0) << 21);
}
|UNCONFIRMED |NEW
Last reconfirmed||2016-12-07
CC||trippels at gcc dot gnu.org
Ever confirmed|0 |1
--- Comment #1 from Markus Trippelsdorf ---
g++ -O2 -S illegal_inst.cpp -o
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78691
Markus Trippelsdorf changed:
What|Removed |Added
Status|NEW |RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71182
--- Comment #6 from Markus Trippelsdorf ---
So, perhaps:
diff --git a/gcc/cp/parser.c b/gcc/cp/parser.c
index 08f5f9e52ef2..f430af97fdf1 100644
--- a/gcc/cp/parser.c
+++ b/gcc/cp/parser.c
@@ -765,7 +765,7 @@ cp_lexer_previous_token (cp_lexer *lex
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71182
Markus Trippelsdorf changed:
What|Removed |Added
Status|WAITING |NEW
--- Comment #5 from Markus Tri
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71182
--- Comment #4 from Markus Trippelsdorf ---
(In reply to Richard Biener from comment #3)
> Can't reproduce on trunk or GCC 6 branch. What options are required?
You need to use an -fsanitize=undefined instrumented compiler.
No options required.
||trippels at gcc dot gnu.org
--- Comment #1 from Markus Trippelsdorf ---
I'm afraid that there might be many more issues of the same kind.
I think -fprintf-return-value shouldn't be enabled by default.
||2016-12-06
CC||trippels at gcc dot gnu.org
Ever confirmed|0 |1
--- Comment #2 from Markus Trippelsdorf ---
x4 tcptrace-6.6.7 # cat snoop.c
void fn1() {
__builtin_printf("\
%ld.\n\
||2016-12-06
CC||trippels at gcc dot gnu.org
Component|c |middle-end
Summary|ICE compiling Linux PPC |[7 Regression] ICE
|boot code |compiling Linux
||trippels at gcc dot gnu.org
Resolution|--- |FIXED
--- Comment #7 from Markus Trippelsdorf ---
fixed
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70909
--- Comment #37 from Markus Trippelsdorf ---
(In reply to Mark Wielaard from comment #36)
> Does any of them handle the one from PR67738:
> _ZNK6Common15ConvertingRangeIN5boost12range_detail17transformed_rangeIZN1a1b1
> cEbEUljE_KSt6vectorIjSaIjE
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70909
--- Comment #33 from Markus Trippelsdorf ---
(In reply to Mark Wielaard from comment #32)
> - PR70517
> _ZSt4moveIRZN11tconcurrent6futureIvE4thenIZ5awaitIS2_EDaOT_EUlRKS6_E_EENS1_IN
> St5decayIDTclfp_defpTEEE4typeEEES7_EUlvE_EONSt16remove_referen
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70909
--- Comment #30 from Markus Trippelsdorf ---
(In reply to Nathan Sidwell from comment #29)
> On 12/02/2016 12:58 PM, trippels at gcc dot gnu.org wrote:
>
> > Please also note that Nathan's lambda demangling patch needs adjustm
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70909
--- Comment #28 from Markus Trippelsdorf ---
(In reply to Mark Wielaard from comment #26)
> Created attachment 40233 [details]
> d_print_comp with 1 level of recursion protection
>
> This is the variant that allows 1 level of recursion (with an
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70909
--- Comment #24 from Markus Trippelsdorf ---
(In reply to Mark Wielaard from comment #22)
> Created attachment 40230 [details]
> d_printing mark/walk/unmark protection
>
> (In reply to Nathan Sidwell from comment #21)
> > Why doesn't a mark/walk
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78599
--- Comment #8 from Markus Trippelsdorf ---
(In reply to Martin Jambor from comment #7)
> I cannot reproduce this using the testcase from comment #1 even whe I add
> -fsanitize=undefined to the command line. Is this on x86_64?
You need to use a
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78653
Markus Trippelsdorf changed:
What|Removed |Added
CC||trippels at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78650
Markus Trippelsdorf changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
Resolution|---
NCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: trippels at gcc dot gnu.org
Target Milestone: ---
Target: powerpc64le-unknown-linux-gnu
On ppc64le I get:
% cat test.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78608
--- Comment #4 from Markus Trippelsdorf ---
The patch fixes all issue that I came across.
Please apply your patch.
Thanks.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78598
Markus Trippelsdorf changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78598
--- Comment #1 from Markus Trippelsdorf ---
Author: trippels
Date: Thu Dec 1 14:59:03 2016
New Revision: 243113
URL: https://gcc.gnu.org/viewcvs?rev=243113&root=gcc&view=rev
Log:
Fix PR tree-optimization/78598 - tree-ssa-loop-prefetch.c:835:16:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78596
Markus Trippelsdorf changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78596
--- Comment #1 from Markus Trippelsdorf ---
Author: trippels
Date: Thu Dec 1 14:04:13 2016
New Revision: 243111
URL: https://gcc.gnu.org/viewcvs?rev=243111&root=gcc&view=rev
Log:
Fix rtl-optimization/78596 - combine.c:12561:14: runtime error: l
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71190
--- Comment #8 from Markus Trippelsdorf ---
(In reply to Jakub Jelinek from comment #7)
> Can this still be reproduced with latest trunk?
Yes.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78608
Markus Trippelsdorf changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Last reconfirmed|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78213
Markus Trippelsdorf changed:
What|Removed |Added
CC||trippels at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70909
--- Comment #17 from Markus Trippelsdorf ---
Nathan's patch fixes this issue:
https://patchwork.ozlabs.org/patch/701137/
It is currently being reviewed.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78627
Markus Trippelsdorf changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78627
--- Comment #1 from Markus Trippelsdorf ---
Created attachment 40211
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40211&action=edit
unreduced testcase
: libstdc++
Assignee: unassigned at gcc dot gnu.org
Reporter: trippels at gcc dot gnu.org
CC: ville at gcc dot gnu.org
Target Milestone: ---
Since r243036:
trippels@gcc2-power8 thebes % g++ -w -c Unified_cpp_gfx_thebes0.ii
In file included from ../../dist
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78614
--- Comment #10 from Markus Trippelsdorf ---
(In reply to Jakub Jelinek from comment #9)
> Created attachment 40206 [details]
> gcc7-pr78614-3.patch
>
> The better patch actually doesn't seem to be much better, because
> simplify_replace_fn when
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78614
--- Comment #8 from Markus Trippelsdorf ---
(In reply to Jakub Jelinek from comment #7)
> Created attachment 40205 [details]
> gcc7-pr78614-2.patch
>
> Perhaps better patch (if it works). The previous patch would copy even
> rtxes that simplify
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78614
Markus Trippelsdorf changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Last reconfirmed|
Version: 7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: lto
Assignee: unassigned at gcc dot gnu.org
Reporter: trippels at gcc dot gnu.org
Target Milestone: ---
markus@x4 /tmp % cat 1.i
void foo() {}
markus@x4 /tm
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78555
--- Comment #7 from Markus Trippelsdorf ---
Another testcase for sreal.c
markus@x4 ~ % cat test.ii
struct A {
A();
A(const A &);
};
struct B {
B(int);
};
template struct C {
B super_t;
C(Predicate p1, int) : super_t(0), m_predicate(p1
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78555
--- Comment #6 from Markus Trippelsdorf ---
Author: trippels
Date: Wed Nov 30 12:22:55 2016
New Revision: 243012
URL: https://gcc.gnu.org/viewcvs?rev=243012&root=gcc&view=rev
Log:
Fix part of PR78555 - gcc/real.c:2890:25: runtime error: left shi
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78587
Markus Trippelsdorf changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Last reconfirmed|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78555
--- Comment #5 from Markus Trippelsdorf ---
markus@x4 ~ % cat real.ii
class A {
int N;
static const int D = 1 << 31;
int &m_fn1() const;
};
int &A::m_fn1() const { int a((double)N / D); }
markus@x4 ~ % UBSAN_OPTIONS=print_stacktrace=1
/var
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78555
--- Comment #4 from Markus Trippelsdorf ---
For example:
markus@x4 ~ % cat bench.ii
struct A {
enum { __value };
};
template _OI __copy_move_a2(_II, _OI);
template void copy(_II, _II, _OI p3) {
__copy_move_a2(0, p3);
}
struct B {
templat
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78555
--- Comment #2 from Markus Trippelsdorf ---
I also hit:
gcc/real.c:2890:25: runtime error: left shift of negative value -125
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71182
--- Comment #2 from Markus Trippelsdorf ---
760 static inline cp_token *
761 cp_lexer_previous_token (cp_lexer *lexer)
762 {
||2016-11-30
CC||dmalcolm at gcc dot gnu.org,
||trippels at gcc dot gnu.org
Target Milestone|--- |6.4
Summary|parser.c|[6/7
Version: 7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: trippels at gcc dot gnu.org
CC: msebor at gcc dot gnu.org
Target
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78588
Markus Trippelsdorf changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78588
--- Comment #1 from Markus Trippelsdorf ---
Author: trippels
Date: Wed Nov 30 07:30:55 2016
New Revision: 242997
URL: https://gcc.gnu.org/viewcvs?rev=242997&root=gcc&view=rev
Log:
Fix PR78588 - rtlanal.c:5210:38: runtime error: shift exponent 42
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78599
--- Comment #1 from Markus Trippelsdorf ---
markus@x4 ~ % cat bench.ii
struct A {
enum { __value };
};
template _OI __copy_move_a2(_II, _OI);
template void copy(_II, _II, _OI p3) {
__copy_move_a2(0, p3);
}
struct B {
template using __ite
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: ipa
Assignee: unassigned at gcc dot gnu.org
Reporter: trippels at gcc dot gnu.org
CC: mjambor at suse dot cz, prathamesh3492 at gcc dot gnu.org
Target Milestone: ---
Sin
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: trippels at gcc dot gnu.org
Target Milestone: ---
markus@x4 mplayer % cat subassconvert.i
struct bstr {
long len;
} fn1();
struct microdvd_tag {
int key;
int
Priority: P3
Component: rtl-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: trippels at gcc dot gnu.org
Target Milestone: ---
markus@x4 mplayer % cat demux_mkv.i
extern void fn2();
void fn1() {
int a = fn1, b = 8;
if (a > 1844674407370955161
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78587
--- Comment #1 from Markus Trippelsdorf ---
markus@x4 libgcc % cat bid64_add.i
extern void fn2();
void fn1(long p1) {
p1 ^= 9223372036854775808u;
fn2();
}
markus@x4 libgcc % /var/tmp/gcc_build_dir_/./gcc/xgcc
-B/var/tmp/gcc_build_dir_/./gcc/
rsion: 7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: rtl-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: trippels at gcc dot gnu.org
Target Milestone: ---
-fsanitize=undefined shows:
rtlanal.c:5210:38: run
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78294
--- Comment #28 from Markus Trippelsdorf ---
No that the fix is upstream, should r242480 be removed from
libsanitizer/LOCAL_PATCHES?
to negate
this value to itself
Product: gcc
Version: 7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: debug
Assignee: unassigned at gcc dot gnu.org
Reporter: trippels at gcc dot gnu.or
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78556
Markus Trippelsdorf changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78556
--- Comment #2 from Markus Trippelsdorf ---
Author: trippels
Date: Mon Nov 28 18:33:19 2016
New Revision: 242928
URL: https://gcc.gnu.org/viewcvs?rev=242928&root=gcc&view=rev
Log:
Fix PR78556 - left shift of negative values
Running bootstrap-ub
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78556
--- Comment #1 from Markus Trippelsdorf ---
Sorry, should be:
diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c
index 6c28e6a..89751c5 100644
--- a/gcc/config/rs6000/rs6000.c
+++ b/gcc/config/rs6000/rs6000.c
@@ -6214,7 +6214,7
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: trippels at gcc dot gnu.org
Target Milestone: ---
Host: powerpc64le-unknown-linux-gnu
Target: powerpc64le-unknown-linux-gnu
Build
: normal
Priority: P3
Component: ipa
Assignee: unassigned at gcc dot gnu.org
Reporter: trippels at gcc dot gnu.org
Target Milestone: ---
bootstrap-ubsan on ppc64le hits the following error very often:
gcc/sreal.c:232:20: runtime error: left shift of negative
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: trippels at gcc dot gnu.org
Target Milestone: ---
Gavrilov Vladimir reported the following issue in a direct email to gcc-bugs:
markus@x4 tmp % cat map_bitfield.cpp
#include
struct A {
int i : 1;
};
std::map ma{{1
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78507
Markus Trippelsdorf changed:
What|Removed |Added
Status|NEW |RESOLVED
Resolution|---
ponent: go
Assignee: ian at airs dot com
Reporter: trippels at gcc dot gnu.org
CC: cmang at google dot com
Target Milestone: ---
Currently "go build" builds binaries without any optimization.
This is in contrast to the official "go build" command, that o
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78494
--- Comment #5 from Markus Trippelsdorf ---
Another issue. cse only uses 1% of its allocations:
==15253== 17 of 100
==15253== max-live:536,400 in 1 blocks
||trippels at gcc dot gnu.org
Resolution|--- |WONTFIX
--- Comment #1 from Markus Trippelsdorf ---
See https://gcc.gnu.org/ for supported releases.
4.8.4 isn't among them anymore.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78512
--- Comment #1 from Markus Trippelsdorf ---
I run md5sum on the object files with and without -fno-printf-return-value.
Looking at a few files that differ they show a common pattern:
good vs bad diff:
@@ -312,7 +312,7 @@
movq$.LC1, %
Assignee: unassigned at gcc dot gnu.org
Reporter: trippels at gcc dot gnu.org
CC: msebor at gcc dot gnu.org
Target Milestone: ---
Since r242674 the Linux kernel hits a BUG() during boot:
Kernel bug at net/core/skbuff.c:105
invalid opcode
...
Adding -fno
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78507
Markus Trippelsdorf changed:
What|Removed |Added
Keywords||ice-on-valid-code
Stat
int_fits_type_p, at tree.c:9153
Product: gcc
Version: 7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: middle-end
Assignee: unassigned at gcc dot gnu.org
Reporter: trippels at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78494
--- Comment #4 from Markus Trippelsdorf ---
Created attachment 40133
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40133&action=edit
full output for top 100 allocation points
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78494
--- Comment #2 from Markus Trippelsdorf ---
http://valgrind.org/docs/manual/dh-manual.html
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78494
--- Comment #1 from Markus Trippelsdorf ---
Beware that it take over an hour to run valgrind in this case.
Assignee: unassigned at gcc dot gnu.org
Reporter: trippels at gcc dot gnu.org
Target Milestone: ---
Running, e.g.:
% valgrind --tool=exp-dhat
/var/tmp/gcc_test/usr/local/bin/../libexec/gcc/x86_64-pc-linux-gnu/7.0.0/cc1plus
-quiet -v -iprefix
/var/tmp/gcc_test/usr/local/bin
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77910
Markus Trippelsdorf changed:
What|Removed |Added
Status|NEW |RESOLVED
Resolution|---
||trippels at gcc dot gnu.org
Resolution|--- |INVALID
--- Comment #1 from Markus Trippelsdorf ---
Yes, this is expected. You can either use -std=c++1z.
Otherwise, if a constexpr static data member is odr-used, a definition at
namespace scope
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78294
--- Comment #24 from Markus Trippelsdorf ---
(In reply to Dmitry Vyukov from comment #23)
> Markus,
>
> Changes to sanitizer runtimes are not committed into gcc tree. The upstream
> is in llvm tree. Changes must go there first, then they are bac
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78461
Markus Trippelsdorf changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Last reconfirmed|
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: trippels at gcc dot gnu.org
Target Milestone: ---
markus@x4 /tmp % cat dlm.i
extern int snprintf(char *s, unsigned long n, const char *format, ...);
void foo(char *ch) { snprintf(0, 0, "
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78454
Markus Trippelsdorf changed:
What|Removed |Added
CC||trippels at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70909
--- Comment #15 from Markus Trippelsdorf ---
Thanks for the testcase.
Marcel's patch fixes the segfault, but doesn't demangle the symbol.
markus@x4 libiberty % ./a.out
_ZSt7forwardIR17predicate_matcherIZ11any_matcherIiEDavEUlOT_E_13typed_matcher
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78433
Markus Trippelsdorf changed:
What|Removed |Added
Status|NEW |RESOLVED
URL|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78433
--- Comment #7 from Markus Trippelsdorf ---
To reproduce build glibc with -O3 and then run "make check".
Or directly:
~ % ~/glibc_build/elf/ld.so --library-path /home/trippels/glibc_build/
~/glibc_build/posix/tst-vfork3
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78433
--- Comment #6 from Markus Trippelsdorf ---
(In reply to Dominik Vogt from comment #5)
> Is that with any specific version of Glibc?
I was using trunk.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78360
Markus Trippelsdorf changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78440
Markus Trippelsdorf changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78440
--- Comment #1 from Markus Trippelsdorf ---
except.spec/5:
»If any declaration of a function has an exception-specification that is not a
noexcept-specification allowing all exceptions, all declarations, including the
definition and any explicit
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: trippels at gcc dot gnu.org
CC: jason at gcc dot gnu.org
Target Milestone: ---
markus@x4 tmp % cat compat.ii
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78433
--- Comment #4 from Markus Trippelsdorf ---
On X86_64:
--- good2016-11-20 19:12:27.353412333 +0100
+++ bad 2016-11-20 19:13:37.738531151 +0100
@@ -892,7 +892,7 @@
leaq1(%rax), %rdx
cmpq$0, -8(%r12,%rdx,8)
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78433
Markus Trippelsdorf changed:
What|Removed |Added
Target|powerpc |
Component|target
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78433
--- Comment #2 from Markus Trippelsdorf ---
On pcc64le this is the assembly diff:
--- good2016-11-20 12:43:40.318860969 +
+++ bad 2016-11-20 12:42:57.277928999 +
@@ -178,7 +178,7 @@
sldi 9,9,3
ld 10,0(1)
m
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78433
Markus Trippelsdorf changed:
What|Removed |Added
Keywords||wrong-code
Status|UNCO
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: trippels at gcc dot gnu.org
Target Milestone: ---
Created attachment 40088
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40088&action=edit
unreduced testcase
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70909
--- Comment #12 from Markus Trippelsdorf ---
(In reply to Mark Wielaard from comment #11)
> (In reply to Markus Trippelsdorf from comment #10)
> > The symbol was demangled with libcxxabi's demangler.
> > The other two demanglers reject it.
>
> T
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70909
--- Comment #10 from Markus Trippelsdorf ---
(In reply to Mark Wielaard from comment #9)
> (In reply to Markus Trippelsdorf from comment #8)
> > This is what it should look like: [...]
>
> How did you demangle that input string?
> With the propo
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70909
Markus Trippelsdorf changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Last reconfirmed|
||2016-11-19
CC||trippels at gcc dot gnu.org
Ever confirmed|0 |1
--- Comment #4 from Markus Trippelsdorf ---
clang's libc++.so.1 avoids the issue because it is linked with libpthread.so.0:
% ldd /us
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78413
--- Comment #1 from Markus Trippelsdorf ---
Another testcase
markus@x4 /tmp % cat test2.i
struct S {
_Bool bo;
};
int a, b, c, d;
void fn1() {
do
do
do {
struct S *e = (struct S *)1;
do
b = a / (e->bo ? 2
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: trippels at gcc dot gnu.org
CC: wschmidt at gcc dot gnu.org
Target Milestone: ---
markus@x4 /tmp % cat test.i
extern long long int llrint(double x);
int a;
double
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=72747
Markus Trippelsdorf changed:
What|Removed |Added
CC||npmccallum at redhat dot com
--- C
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78408
Markus Trippelsdorf changed:
What|Removed |Added
Status|NEW |RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78408
Markus Trippelsdorf changed:
What|Removed |Added
Summary|Aggressive optimization of |C loop initial declarations
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