https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107540
Bug ID: 107540
Summary: [13 Regression] ICE: SIGSEGV in
memory_operand(rtx_def*, machine_mode) (recog.cc:1834)
with -flive-range-shrinkage
Product: gcc
Version:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107541
Bug ID: 107541
Summary: wrong code at -O1, -O2 and -O3 on x86_64-linux-gnu
Product: gcc
Version: unknown
Status: UNCONFIRMED
Severity: normal
Priority: P3
Compo
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=39796
--- Comment #5 from CVS Commits ---
The master branch has been updated by Patrick Palka :
https://gcc.gnu.org/g:4e4e3ffd10f53ef71696bc728ab40258751a2df4
commit r13-3707-g4e4e3ffd10f53ef71696bc728ab40258751a2df4
Author: Patrick Palka
Date: Su
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=44952
--- Comment #18 from CVS Commits ---
The master branch has been updated by Patrick Palka :
https://gcc.gnu.org/g:4e4e3ffd10f53ef71696bc728ab40258751a2df4
commit r13-3707-g4e4e3ffd10f53ef71696bc728ab40258751a2df4
Author: Patrick Palka
Date: S
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98108
--- Comment #10 from CVS Commits ---
The master branch has been updated by Patrick Palka :
https://gcc.gnu.org/g:4e4e3ffd10f53ef71696bc728ab40258751a2df4
commit r13-3707-g4e4e3ffd10f53ef71696bc728ab40258751a2df4
Author: Patrick Palka
Date: S
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98052
Andrew Pinski changed:
What|Removed |Added
Resolution|--- |DUPLICATE
Status|NEW
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95797
Andrew Pinski changed:
What|Removed |Added
CC||src at andyf dot de
--- Comment #6 from
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107541
Andrew Pinski changed:
What|Removed |Added
Target||x86_64-linux-gnu
Target Milestone|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107541
Franck Behaghel changed:
What|Removed |Added
CC||franckbehaghel_gcc@protonma
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107541
Andrew Pinski changed:
What|Removed |Added
Last reconfirmed||2022-11-06
Ever confirmed|0
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107540
Andrew Pinski changed:
What|Removed |Added
Target Milestone|--- |13.0
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107542
Bug ID: 107542
Summary: ICE in spaceship_comp_cat, at cp/method.cc:1055
Product: gcc
Version: 12.2.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107542
--- Comment #1 from Andrew Pinski ---
Created attachment 53840
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=53840&action=edit
testcase
Note please next time also attach the testcase (or put it inline) and not just
link against godbolt.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107542
--- Comment #2 from danakj at orodu dot net ---
The same thing works okay with operator== instead of operator<=>
https://godbolt.org/z/qnPx3bYT4
```
#include
#include
template
concept Ord = requires(const Lhs& lhs, const Rhs& rhs) {
{ l
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107542
--- Comment #3 from danakj at orodu dot net ---
> Note please next time also attach the testcase (or put it inline) and not
> just link against godbolt.
Will do, thanks for attaching it for me.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107543
Bug ID: 107543
Summary: c-family/c-cppbuiltin.cc: Undefine
__GNUC_STDC_INLINE__ in C++ mode?
Product: gcc
Version: unknown
Status: UNCONFIRMED
Severity: normal
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107544
Bug ID: 107544
Summary: Friended struct with concept gives different output in
clang/gcc/MSVC
Product: gcc
Version: 12.2.0
Status: UNCONFIRMED
Severity: normal
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107544
--- Comment #1 from danakj at orodu dot net ---
Clang report: https://github.com/llvm/llvm-project/issues/58833
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107544
Andrew Pinski changed:
What|Removed |Added
See Also||https://gcc.gnu.org/bugzill
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107544
Andrew Pinski changed:
What|Removed |Added
See Also||https://gcc.gnu.org/bugzill
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107541
--- Comment #3 from Franck Behaghel
---
Not sure that would help but disabling those pair of passes :
-fdisable-tree-ccp3 -fdisable-tree-ccp4
or -fdisable-tree-ccp4 -fdisable-tree-dom2
or -fdisable-tree-dom2 -fdisable-tree-dom3
removes t
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107544
--- Comment #4 from danakj at orodu dot net ---
It looks related but I am not sure it is a duplicate. In this case, the concept
is being used from a non-friend context first and still accessing the private
data. In that bug, they demonstrate clan
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107540
Hongtao.liu changed:
What|Removed |Added
CC||crazylht at gmail dot com
--- Comment #1
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107540
--- Comment #2 from Hongtao.liu ---
diff --git a/gcc/config/i386/sse.md b/gcc/config/i386/sse.md
index fa93ae7bf21..4e8463addc3 100644
--- a/gcc/config/i386/sse.md
+++ b/gcc/config/i386/sse.md
@@ -12203,7 +12203,7 @@ (define_insn "avx512f_movddu
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107545
Bug ID: 107545
Summary: __is_abstract intrinsic fails to compile on incomplete
unions
Product: gcc
Version: 12.2.0
Status: UNCONFIRMED
Keywords: rejects-valid
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107545
Andrew Pinski changed:
What|Removed |Added
Target Milestone|--- |13.0
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105414
Andrew Pinski changed:
What|Removed |Added
Target Milestone|--- |13.0
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105455
Andrew Pinski changed:
What|Removed |Added
Target Milestone|--- |12.2
Known to fail|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105261
Andrew Pinski changed:
What|Removed |Added
Keywords||needs-bisection
--- Comment #2 from And
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107546
Bug ID: 107546
Summary: simd, redundant pcmpeqb and pxor
Product: gcc
Version: 12.2.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: rtl-optimizat
6QI (symbol_ref/u:DI ("*.LC0") [flags 0x2]) [0 S16 A128]))
"/opt/compiler-explorer/gcc-trunk-20221106/lib/gcc/x86_64-linux-gnu/13.0.0/include/emmintrin.h":1353:34
-1
(expr_list:REG_EQUAL (const_vector:V16QI [
(const_int 47 [0x2f]) repeated x16
])
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107546
Andrew Pinski changed:
What|Removed |Added
Summary|simd, redundant pcmpeqb and |[10/11/12/13 Regression]
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107535
Richard Biener changed:
What|Removed |Added
Keywords||ABI
--- Comment #1 from Richard Biener
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107536
Richard Biener changed:
What|Removed |Added
Target Milestone|--- |12.3
Summary|[12 regression
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107541
Richard Biener changed:
What|Removed |Added
CC||aldyh at gcc dot gnu.org
Pri
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107546
Richard Biener changed:
What|Removed |Added
Priority|P3 |P2
Target|x86_64
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107546
--- Comment #3 from Hongtao.liu ---
Failed to match this instruction:
(set (reg:V16QI 95)
(eq:V16QI (gt:V16QI (subreg:V16QI (reg:V2DI 89 [ MEM[(const __m128i_u *
{ref-all})p_2(D)] ]) 0)
(mem/u/c:V16QI (symbol_ref/u:DI ("*.LC0") [
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107546
--- Comment #4 from Hongtao.liu ---
> even. Notice the < vs <= there.
> I suspect the <= expansion part of the x86_64 backend needs to be fixed up
> to produce better code.
Hmm, we do have a extra pcmpeq to negate the result.
--cu
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107546
--- Comment #5 from Marc Glisse ---
typedef signed char v16qs __attribute__((vector_size(16)));
auto bar(v16qs x) { return x < 48; }
clang does expand it as 48 gt x. Gcc however does its usual change to x <= 47,
which it then tries to expand as
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107546
--- Comment #6 from Andrew Pinski ---
(In reply to Marc Glisse from comment #5)
> typedef signed char v16qs __attribute__((vector_size(16)));
> auto bar(v16qs x) { return x < 48; }
>
> clang does expand it as 48 gt x. Gcc however does its usual
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107413
--- Comment #11 from Rama Malladi ---
(In reply to Wilco from comment #10)
> I'm seeing about 1.5% gain on Neoverse V1 and 0.5% loss on Neoverse N1. I'll
> post a patch that allows per-CPU settings for FMA reassociation, so you'll
> get good per
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107541
--- Comment #4 from Aldy Hernandez ---
This is an issue with the TRUNC_DIV_EXPR range-op entry optimizing divisions by
powers of 2 into right shifts. We're right shifting the mask by the shift
amount.
operator_div::fold_range():
...
...
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