https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121383
--- Comment #2 from Richard Biener ---
if-conversion does nothing to loops with multiple exits. One could think to
sub-divide its work, but in this case there's a lack of PHIs and the expected
if-conversion is on control dependences rather than
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121378
Richard Biener changed:
What|Removed |Added
Priority|P3 |P1
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120996
--- Comment #11 from Dhruv Chawla ---
Okay, looks like there's a sharing bug with compiler explorer where it doesn't
correctly show the Tree/RTL pane that was opened. Anyways, this is the diff I
see:
=== GCC 15.1.0
[local count: 939524096]:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120996
--- Comment #10 from Dhruv Chawla ---
Looks like there's not much codegen change, but the difference does show up in
the thread1 pass: https://godbolt.org/z/xz5qo1xTd (which is what I was
comparing to create the minimized source)
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120996
Tamar Christina changed:
What|Removed |Added
CC||tnfchris at gcc dot gnu.org
--- Comme
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121388
Bug ID: 121388
Summary: Invalid cble produced with -march=armv9-a+cmpbr while
building bid_binarydecimal
Product: gcc
Version: 14.2.0
Status: UNCONFIRMED
Keywo
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=26163
Bug 26163 depends on bug 120941, which changed state.
Bug 120941 Summary: [16 Regression] 24-40% slowdown of 519.lbm_r on Zen2 and
470.lbm on Zen5 since r16-1644-gaba3b9d3a48a07
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120941
What
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120941
H.J. Lu changed:
What|Removed |Added
Resolution|--- |FIXED
Status|WAITING
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120941
--- Comment #44 from GCC Commits ---
The master branch has been updated by H.J. Lu :
https://gcc.gnu.org/g:09f0768b55b96c861811a8989d7c1cc59b4c29b6
commit r16-2727-g09f0768b55b96c861811a8989d7c1cc59b4c29b6
Author: H.J. Lu
Date: Fri Aug 1 05
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121385
--- Comment #6 from Andrew Pinski ---
(In reply to Andrew Pinski from comment #5)
> Or easier disable aarch64_tbzltdi1 if TARGET_CMPBR like:
> diff --git a/gcc/config/aarch64/aarch64.md b/gcc/config/aarch64/aarch64.md
> index a4ae6859da0..7c87b0
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121385
--- Comment #5 from Andrew Pinski ---
Both can match:
(jump_insn 297 296 298 35 (set (pc)
(if_then_else (lt (reg:DI 170 [ _94 ])
(const_int 0 [0]))
(label_ref 303)
(pc))) "../../../comb/libgcc/libg
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121385
--- Comment #4 from Andrew Pinski ---
So there is a conflict between aarch64_tbzltdi1 and aarch64_cbltdi
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121386
--- Comment #6 from Andrew Pinski ---
There has definitely improvements to flex in this area too:
e.g.
https://github.com/westes/flex/commit/5574881ff4c9b08c73b6acc0087d6046c2b48de5
and
https://github.com/westes/flex/commit/8ab4ea7364641bf498
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121366
--- Comment #7 from kargls at comcast dot net ---
(In reply to kargls from comment #5)
> (In reply to Jerry DeLisle from comment #4)
> > What is different about sind? (obvious question)
>
> It's for degree sin functions. Originally, we tried to
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121387
Sam James changed:
What|Removed |Added
Resolution|--- |INVALID
Status|UNCONFIRMED
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121386
--- Comment #5 from Kirill A. Korinsky ---
Created attachment 62040
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=62040&action=edit
gengtype-lex.cc from OpenBSD -current
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121387
--- Comment #1 from Kirill A. Korinsky ---
This is invalid bug because the issue related to OpenBSD patches, and not GCC
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121386
Jakub Jelinek changed:
What|Removed |Added
CC||jakub at gcc dot gnu.org
--- Comment #4
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121387
Bug ID: 121387
Summary: Adda fails to build on OpenBSD -current/amd64 due to
missed locks?
Product: gcc
Version: 15.1.0
Status: UNCONFIRMED
Severity: normal
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121386
--- Comment #3 from Andrew Pinski ---
Maybe there is min version of flex that is needed to build the sources from
that makes it usable on openbsd.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121380
--- Comment #2 from ptomsich at gcc dot gnu.org ---
@Kostas: This looks like the same bad usage of 'is_constant(off_val)' with a
off_val being a NULL pointer (as observed in PR121303).
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121386
Andrew Pinski changed:
What|Removed |Added
Summary|Can't build on OpenBSD |[14/15 Regression] Can't
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121380
ptomsich at gcc dot gnu.org changed:
What|Removed |Added
Assignee|unassigned at gcc dot gnu.org
|konstantinos.elefth
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121386
Andrew Pinski changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Last reconfirmed|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121386
Bug ID: 121386
Summary: Can't build on OpenBSD -current/amd64
Product: gcc
Version: 15.1.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: bootstra
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121385
Andrew Pinski changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Last reconfirmed|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121385
--- Comment #3 from Andrew Pinski ---
Created attachment 62039
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=62039&action=edit
Reduced testcase
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121385
--- Comment #2 from Andrew Pinski ---
```
../../gcc/cc1 _mulvdi3.i -O2 -march=armv9-a+cmpbr
vprintf getchar fgetc_unlocked getc_unlocked getchar_unlocked putchar
fputc_unlocked putc_unlocked putchar_unlocked getline feof_unlocked
ferror_unlock
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121385
--- Comment #1 from Andrew Pinski ---
Created attachment 62038
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=62038&action=edit
preprocessed source
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121385
Bug ID: 121385
Summary: libgcc build failure with -march=armv9-a+cmpbr
Product: gcc
Version: 16.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: t
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=23782
--- Comment #11 from Andrew Pinski ---
After my patch, we get:
```
void drawbutton (struct coord upperleft, struct coord lowerright, unsigned int
upperleftcolor, unsigned int lowerrightrcolor, unsigned int fillcolor, unsigned
int drawbackground)
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121382
Andrew Pinski changed:
What|Removed |Added
Last reconfirmed||2025-08-03
Ever confirmed|0
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121382
--- Comment #2 from Andrew Pinski ---
Created attachment 62037
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=62037&action=edit
Slighty better testcase
This testcase does NOT depend on IPA VRP to produce the needed range to cause
the issu
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121382
Andrew Pinski changed:
What|Removed |Added
Target Milestone|--- |15.2
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121383
Andrew Pinski changed:
What|Removed |Added
Status|NEW |ASSIGNED
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121383
Andrew Pinski changed:
What|Removed |Added
Ever confirmed|0 |1
Status|UNCONFIRMED
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121384
Bug ID: 121384
Summary: Wrongly initialized associate array descriptor when
the target is wrapped in parenthesis
Product: gcc
Version: unknown
Status: UNCONFIRMED
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60875
--- Comment #10 from Jakub Jelinek ---
It is simply an extension. Most of the pragmas are extensions.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60875
--- Comment #9 from Alejandro Colomar ---
Is this a defect in the standard?
6.10.11p1 says:
> The original four preprocessing tokens in the unary operator expression are
> removed.
Without making any mention to different kinds of pragmas. Ma
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120845
Jakub Jelinek changed:
What|Removed |Added
Summary|[15/16 Regression] C++ |[15 Regression] C++
|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120778
--- Comment #5 from GCC Commits ---
The master branch has been updated by Jakub Jelinek :
https://gcc.gnu.org/g:625d5776f9cd0b09512d7b5e403737ad944f33d3
commit r16-2725-g625d5776f9cd0b09512d7b5e403737ad944f33d3
Author: Jakub Jelinek
Date: S
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120845
--- Comment #10 from GCC Commits ---
The master branch has been updated by Jakub Jelinek :
https://gcc.gnu.org/g:a68f416a706bc61bb323773295189c4ea413ffd6
commit r16-2724-ga68f416a706bc61bb323773295189c4ea413ffd6
Author: Jakub Jelinek
Date:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121383
Bug ID: 121383
Summary: if-convert lacks support for && conditions
Product: gcc
Version: 16.0
Status: UNCONFIRMED
Keywords: missed-optimization
Severity: normal
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121380
--- Comment #1 from David Binderman ---
As expected:
trunk $ git bisect good 8166458f19846fb7
04f33a278557c09d3aba978fe205cc2a6caa8efb is the first bad commit
commit 04f33a278557c09d3aba978fe205cc2a6caa8efb
Author: Konstantinos Eleftheriou
Da
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60875
--- Comment #8 from Jakub Jelinek ---
There are different kinds of pragmas, pragmas that are just noted during
preprocessing and indeed disappear in phase 4, and then there are pragmas which
actually result in pragma declarations/statements/expre
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60875
Alejandro Colomar changed:
What|Removed |Added
CC||foss+gcc@alejandro-colomar.
,c++ --disable-werror --enable-multilib
Thread model: posix
Supported LTO compression algorithms: zlib
gcc version 16.0.0 20250803 (experimental) (GCC)
[523] %
[523] % gcctk -O2 small.c; ./a.out
Aborted
[524] % gcctk -O3 small.c; ./a.out
Aborted
[525] % cat small.c
int a, b, c, f, h, j, k;
int l
=yes --prefix=/local/suz-local/software/local/gcc-trunk
--enable-sanitizers --enable-languages=c,c++ --disable-werror --enable-multilib
Thread model: posix
Supported LTO compression algorithms: zlib
gcc version 16.0.0 20250803 (experimental) (GCC)
[513] %
[513] % gcctk -O2 small.c
[514] % ./a.out
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82100
--- Comment #9 from David Binderman ---
Quite interestingly, I ran cppcheck over recent gcc trunk code
and got this:
trunk/gcc/ada/sysdep.c:447:26: style: Expression is always true because 'else
if' condition is opposite to previous condition at
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121380
Sam James changed:
What|Removed |Added
Keywords||ice-on-valid-code
Summary|ice wi
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121381
Bug ID: 121381
Summary: meta-bug submodule
Product: gcc
Version: 16.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: fortran
Assignee: u
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121380
Bug ID: 121380
Summary: ice with -O1 -fexceptions -favoid-store-forwarding
Product: gcc
Version: 16.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Componen
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121379
Bug ID: 121379
Summary: MODULE attribute required for submodule procedure with
interface in parent module.
Product: gcc
Version: 16.0
Status: UNCONFIRMED
Sever
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120560
--- Comment #4 from Sam James ---
With pinskia's recent fixes for empty functions, at least it compiles into a
trap instead:
Dump of assembler code for function main:
0x43b0 <+0>: endbr64
=> 0x43b4 <+4>: ud2
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121362
--- Comment #4 from Richard Biener ---
Created attachment 62036
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=62036&action=edit
preliminary patch
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121362
--- Comment #3 from Richard Biener ---
Related:
struct s1
{
int t, t1;
};
struct s3
{
struct s1 t;
};
struct s2
{
struct s3 t;
};
void f(int, int);
void l();
void g(int a, int b, int *p)
{
struct s2 c;
{
struct s1 tmp = {a,b};
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121378
Sam James changed:
What|Removed |Added
Summary|[16 regression] wrong code |[16 regression] wrong code
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121378
Richard Biener changed:
What|Removed |Added
Version|unknown |16.0
Last reconfirmed|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119324
--- Comment #15 from David Binderman ---
(In reply to Robert Dubner from comment #14)
> This exercise has been extremely useful.
...
> Thanks again to David Binderman for sending me down this road; it's been
> educational and useful.
You are
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82100
--- Comment #8 from David Binderman ---
(In reply to Richard Hazlewood from comment #7)
> Here's one that slipped through our net, that ought to have been obvious to
> the human reviewers...
Here is cppcheck getting close to what you want:
$ ~/
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63426
Bug 63426 depends on bug 90242, which changed state.
Bug 90242 Summary: [UBSAN]: in vn_reference_compute_hash
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90242
What|Removed |Added
--
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90242
Richard Biener changed:
What|Removed |Added
Status|ASSIGNED|RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90242
--- Comment #6 from GCC Commits ---
The master branch has been updated by Richard Biener :
https://gcc.gnu.org/g:7c99de1c439dbb149cc6a33a214f22f2df1c88f3
commit r16-2720-g7c99de1c439dbb149cc6a33a214f22f2df1c88f3
Author: Richard Biener
Date:
63 matches
Mail list logo
