20171022 (experimental) [trunk revision 253982] (GCC)
$ gcc-trunk -m32 -Os abc.c
during RTL pass: reload
abc.c: In function ‘fn1’:
abc.c:16:1: internal compiler error: in bitmap_check_index, at sbitmap.h:105
}
^
0xb4a77b bitmap_check_index
../../gcc/gcc/sbitmap.h:105
0xb4a77b
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82668
Bug ID: 82668
Summary: could use BMI2 rorx for unpacking struct { int a,b };
from a register (SysV ABI)
Product: gcc
Version: 8.0
Status: UNCONFIRMED
Keywords:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57096
--- Comment #15 from Jerry DeLisle ---
(In reply to Dominique d'Humieres from comment #6)
> I get
>
> gA%next(): 2
> gA%next(): 4
> gA%next(): 6
>
> gAp%next(): 2
> gAp%next(): 4
> gAp%nex
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57096
--- Comment #14 from Jerry DeLisle ---
The reduced test case with gfortran 7.2.1 O get:
$ ./test
1 1
0 1
and the original:
$ ./test
gA%next(): 0
gA%next(): 0
gA%next():
odbolt.org/g/NwcPmh
gcc 8.0.0 20171022 -O3
movdqa .LC0(%rip), %xmm5 # set1(127)
leaq131072(%rdi), %rax
pxor%xmm2, %xmm2 # accumulator
pxor%xmm4, %xmm4 # for Intel CPUs we should re-materialize
with pxor inside the loop instead inste
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82663
Segher Boessenkool changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
CC|
uestions/28875325/gcc-optimization-flag-o3-makes-code-slower-then-o2.
https://godbolt.org/g/GgVp7E
gcc8.0 8.0.0 20171022 -O2 -mtune=haswell (slow)
leaq131072(%rdi), %rsi
xorl%eax, %eax
.L3:
movslq (%rdi), %rdx
movq%rdx, %rcx
addq%rax, %r
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82665
Martin Sebor changed:
What|Removed |Added
Keywords||missed-optimization
See Also|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82665
Bug ID: 82665
Summary: missing value range optimization for memchr
Product: gcc
Version: 8.0
Status: UNCONFIRMED
Severity: enhancement
Priority: P3
Component: tr
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82664
Bug ID: 82664
Summary: Internal Compiler Error when using Match7 library
Product: gcc
Version: 7.2.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52451
Uroš Bizjak changed:
What|Removed |Added
Target||x86
Status|WAITING
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52451
--- Comment #5 from uros at gcc dot gnu.org ---
Author: uros
Date: Sun Oct 22 19:04:36 2017
New Revision: 253986
URL: https://gcc.gnu.org/viewcvs?rev=253986&root=gcc&view=rev
Log:
PR target/52451
* config/i386/i386.c (ix86_fp_comp
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82663
Bug ID: 82663
Summary: optimizer duplicates assembly jump label (when
-std=c++11 and -O3)
Product: gcc
Version: 5.4.0
Status: UNCONFIRMED
Severity: normal
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78278
--- Comment #5 from Dominique d'Humieres ---
> Note that compiling the code in comment 0 with -std=f95 does not trigger
> the error ...
Is it enough to keep this PR opened?
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82662
Bug ID: 82662
Summary: ifcvt is not performed on double-word compare
Product: gcc
Version: 8.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: rtl-o
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82628
--- Comment #16 from uros at gcc dot gnu.org ---
Author: uros
Date: Sun Oct 22 18:05:17 2017
New Revision: 253985
URL: https://gcc.gnu.org/viewcvs?rev=253985&root=gcc&view=rev
Log:
PR target/82628
* config/i386/i386.md (cmp_double
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56342
Thomas Koenig changed:
What|Removed |Added
Status|NEW |ASSIGNED
Assignee|unassigned a
n/ld.gold
Thread model: posix
gcc version 8.0.0 20171022 (experimental) (GCC)
The source was cloned from https://github.com/gcc-mirror/gcc .
-
The source file that caused the problem (transport/internet/dialer.go) is
attached (don't know ho
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=35276
--- Comment #3 from Dominique d'Humieres ---
> I think we can close this. The preferred way is to
> use C interop. Anybody mind if I close this?
Or "is there important things to add to 7 Mixed-Language Programming?".
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82233
Thomas Koenig changed:
What|Removed |Added
Status|ASSIGNED|RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82233
--- Comment #22 from Thomas Koenig ---
Author: tkoenig
Date: Sun Oct 22 14:21:16 2017
New Revision: 253983
URL: https://gcc.gnu.org/viewcvs?rev=253983&root=gcc&view=rev
Log:
2017-10-22 Thomas Koenig
Backport from trunk
PR lib
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=35276
Thomas Koenig changed:
What|Removed |Added
Status|NEW |WAITING
CC|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=48025
Thomas Koenig changed:
What|Removed |Added
Status|NEW |RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=48997
Bug 48997 depends on bug 48025, which changed state.
Bug 48025 Summary: Unnecessary function evaluations in arguments to size and
ubound
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=48025
What|Removed |Added
--
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82660
Dominique d'Humieres changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Last reconfirmed|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=29600
Thomas Koenig changed:
What|Removed |Added
Status|ASSIGNED|NEW
Assignee|tkoenig at gcc do
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=29600
Thomas Koenig changed:
What|Removed |Added
Attachment #42429|0 |1
is obsolete|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82660
Bug ID: 82660
Summary: Bounds checking in conversions of intrinsic functions
Product: gcc
Version: unknown
Status: UNCONFIRMED
Severity: normal
Priority: P3
Comp
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=50877
Eric Gallager changed:
What|Removed |Added
Status|WAITING |RESOLVED
Resolution|---
fi_endproc
.LFE0:
.size test, .-test
.p2align 4,,15
.globl bar
.type bar, @function
bar:
.LFB1:
.cfi_startproc
endbr64
jmp test
.cfi_endproc
.LFE1:
.size bar, .-bar
.ident "GCC: (GNU) 8.0.0 2017102
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69725
--- Comment #19 from Romain Geissler ---
Note: don't forget to apply the gmp patch to the "configure" file too (wasted
some time myself because I did...)
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82658
Bug ID: 82658
Summary: Suboptimal codegen on AVR when right-shifting 8-bit
unsigned integers.
Product: gcc
Version: 8.0
Status: UNCONFIRMED
Severity: normal
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57096
--- Comment #13 from janus at gcc dot gnu.org ---
Jerry, are you actually able to reproduce the original problem from comment 0?
Or at least the one described in comment 3?
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57096
janus at gcc dot gnu.org changed:
What|Removed |Added
Status|NEW |ASSIGNED
Assignee|un
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82569
--- Comment #11 from Eric Botcazou ---
store_expr_with_bounds also has a special handling for promoted SUBREGs and it
would probably need to be changed too. In the end, I think that the current
approach of not setting SUBREG_PROMOTED_VAR_P for p
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82657
--- Comment #1 from la wanz ---
Created attachment 42432
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42432&action=edit
the code fail to compile
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82657
Bug ID: 82657
Summary: when using a template function pointer as a non-type
template parameters, the template function will not be
defined in some situation
Product: gcc
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82628
--- Comment #15 from Uroš Bizjak ---
(In reply to Jakub Jelinek from comment #9)
> So, for the -1UL <= 1UL comparison, the cmpl instruction sets the CF, and
> then
> sbbl subtracts -1U (2nd operand) + 1U (CF) from 0U (1st operand/destination)
> a
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82653
Gustavo Baños Lapuente changed:
What|Removed |Added
Status|WAITING |RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81924
--- Comment #10 from Matthias Klose ---
hmm, can't remember anymore where the test case comes from ... :-/ Need to get
more consistent to add downstream bug numbers.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82610
Gerald Pfeifer changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Last reconfirmed|
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