[Bug target/80250] ICE in in final_scan_insn, at final.c:3025 for __builtin_ia32_vp4dpwssds_mask builtin

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80250 Uroš Bizjak changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug target/80250] ICE in in final_scan_insn, at final.c:3025 for __builtin_ia32_vp4dpwssds_mask builtin

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80250 --- Comment #3 from uros at gcc dot gnu.org --- Author: uros Date: Sun Apr 2 18:19:02 2017 New Revision: 246637 URL: https://gcc.gnu.org/viewcvs?rev=246637=gcc=rev Log: PR target/80250 * config/i386/sse.md (mov): Remove insn

[Bug c++/80288] New: Using directive injects names into a wrong namespace

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80288 Bug ID: 80288 Summary: Using directive injects names into a wrong namespace Product: gcc Version: 7.0 Status: UNCONFIRMED Severity: normal Priority: P3

[Bug target/79671] [7 Regression] mapnik miscompilation on armv7hl since r235622

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79671 --- Comment #98 from Bernd Edlinger --- I realized that my latest patch triggers a pre-existing bug in the libstdc++ testsuite => PR80287 So the following patch would be needed on top of it: Index: gcc/cp/class.c

[Bug c++/80287] C++ crash with __attribute((may_alias))

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80287 --- Comment #1 from Bernd Edlinger --- good news is, I already have a patch: Index: gcc/cp/class.c === --- gcc/cp/class.c (revision 246605) +++ gcc/cp/class.c (working

[Bug c++/80287] New: C++ crash with __attribute((may_alias))

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80287 Bug ID: 80287 Summary: C++ crash with __attribute((may_alias)) Product: gcc Version: 7.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++

[Bug tree-optimization/80281] [5/6/7 Regression] Wrong constant folding

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80281 Jeffrey A. Law changed: What|Removed |Added Priority|P3 |P1 CC|

[Bug c++/80238] genmatch.c:(.text.startup+0x66c6): undefined reference to `operator delete(void*, unsigned long)'

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80238 --- Comment #6 from Mike --- (In reply to Jonathan Wakely from comment #5) > (In reply to Mike from comment #4) > > (In reply to Richard Biener from comment #3) > > > Can you try to build in a separate object directory instead? > > And where to

[Bug middle-end/80283] [5/6/7 Regression] bad SIMD register allocation

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80283 --- Comment #6 from Markus Trippelsdorf --- (In reply to Andrew Pinski from comment #5) > Try -fno-tree-ter . Yes, this works, too.

[Bug libstdc++/56158] bad enum values computed by operator~ in ios_base.h

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56158 Jakub Jelinek changed: What|Removed |Added CC||ago at gentoo dot org --- Comment #18

[Bug c++/80282] undefined behavior in ios_base.h

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80282 Jakub Jelinek changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED CC|

[Bug target/80286] [5/6/7 regressions] AVX2 _mm_cvtsi128_si32 doesn't return a proper 32bits int

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80286 Jakub Jelinek changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug target/80286] [4.9/5/6/7 regressions] AVX2 _mm_cvtsi128_si32 doesn't return a proper 32bits int

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80286 --- Comment #2 from Jakub Jelinek --- I think this started with r198643, but the real bug isn't there, I'd say the bug is in the shift patterns: (define_insn "3" [(set (match_operand:VI2_AVX2_AVX512BW 0 "register_operand" "=x,v")

[Bug middle-end/80283] [5/6/7 Regression] bad SIMD register allocation

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80283 Andrew Pinski changed: What|Removed |Added Component|tree-optimization |middle-end --- Comment #5 from Andrew

[Bug tree-optimization/80283] [5/6/7 Regression] bad SIMD register allocation

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80283 Marc Glisse changed: What|Removed |Added Keywords||ra --- Comment #4 from Marc Glisse ---

[Bug target/79671] [7 Regression] mapnik miscompilation on armv7hl since r235622

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79671 --- Comment #97 from Bernd Edlinger --- I thought that at that point t is the type of to the outer reference. thus in this example: cat t1.c #include union xx { __m64 m; long long l; }; union xx t; __m64 test(long long x) { t.l=x;

[Bug target/79671] [7 Regression] mapnik miscompilation on armv7hl since r235622

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79671 --- Comment #96 from Jakub Jelinek --- As Richard mentioned on IRC, e.g. the x86intrin.h __m[125]* types have may_alias attributes and such a change would slow down code that puts those into structures/unions.

[Bug c++/80286] [4.9/5/6/7 regressions] AVX2 _mm_cvtsi128_si32 doesn't return a proper 32bits int

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80286 --- Comment #1 from gregory hainaut --- Of course, I forgot to say that code was compiled with the following option g++ -O2 -c -std=c++11 -mavx2

[Bug c++/80286] New: [4.9/5/6/7 regressions] AVX2 _mm_cvtsi128_si32 doesn't return a proper 32bits int

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80286 Bug ID: 80286 Summary: [4.9/5/6/7 regressions] AVX2 _mm_cvtsi128_si32 doesn't return a proper 32bits int Product: gcc Version: 4.9.0 Status: UNCONFIRMED

[Bug tree-optimization/80283] [5/6/7 Regression] bad SIMD register allocation

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80283 Markus Trippelsdorf changed: What|Removed |Added CC||glisse at gcc dot gnu.org ---

[Bug c++/80284] Support of associative containers with incomplete element type

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80284 --- Comment #1 from Jonathan Wakely --- (In reply to frankhb1989 from comment #0) > Is it intended by design? Is what by design, the memory leak? This is undefined, and it's not documented as supported because we don't want to support it (and

[Bug c++/80282] undefined behavior in ios_base.h

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80282 --- Comment #1 from Jonathan Wakely --- This is PR 56158.

[Bug target/79671] [7 Regression] mapnik miscompilation on armv7hl since r235622

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79671 --- Comment #95 from rguenther at suse dot de --- On April 2, 2017 10:54:28 AM GMT+02:00, "bernd.edlinger at hotmail dot de" wrote: >https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79671 > >--- Comment #94 from Bernd

[Bug tree-optimization/80283] [5/6/7 Regression] bad SIMD register allocation

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80283 Markus Trippelsdorf changed: What|Removed |Added Known to work||4.9.3 Summary|bad SIMD

[Bug tree-optimization/80283] bad SIMD register allocation

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80283 Markus Trippelsdorf changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug c++/80284] New: Support of associative containers with incomplete element type

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80284 Bug ID: 80284 Summary: Support of associative containers with incomplete element type Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal

[Bug target/79671] [7 Regression] mapnik miscompilation on armv7hl since r235622

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79671 --- Comment #94 from Bernd Edlinger --- I always wondered why get_alias_set does not use the may_alias attribute like this: Index: alias.c === --- alias.c (revision 246605)

[Bug target/78002] gcc.target/aarch64/stack-checking.c ICEs with -mabi=ilp32

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78002 --- Comment #9 from Andreas Schwab --- No, it's call by descriptor that doesn't work for ilp32, which breaks tasking.

[Bug tree-optimization/80283] New: bad SIMD register allocation

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80283 Bug ID: 80283 Summary: bad SIMD register allocation Product: gcc Version: 7.0.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization

[Bug target/79671] [7 Regression] mapnik miscompilation on armv7hl since r235622

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79671 --- Comment #93 from Bernd Edlinger --- I tried a bit more with lto and discovered that -flto -O2 removes all the code from test() although it is marked noinline, noclone To work around that, I added an asm statement initializing all these

[Bug c++/80282] New: undefined behavior in ios_base.h

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80282 Bug ID: 80282 Summary: undefined behavior in ios_base.h Product: gcc Version: 4.9.4 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++

[Bug target/79671] [7 Regression] mapnik miscompilation on armv7hl since r235622

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79671 --- Comment #92 from Bernd Edlinger --- It is an interesting fact that g++ -flto -fdump-rtl-final t.cc has correct rtl: (insn 7 6 8 2 (set (mem/c:DI (symbol_ref:DI ("t1") [flags 0x2] ) [0 t1+0 S8 A64]) (reg:DI 0 ax [90])) "t.cc":17 81

[Bug target/79671] [7 Regression] mapnik miscompilation on armv7hl since r235622

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79671 --- Comment #91 from Bernd Edlinger --- I mean here is [2 t1+0 S8 A64] and 2 is the alias set info in the MEM_REF, I have expected that to be 0. (insn:TI 7 6 14 2 (set (mem/c:DI (symbol_ref:DI ("t1") [flags 0x2] ) [2 t1+0 S8 A64])

[Bug target/78002] gcc.target/aarch64/stack-checking.c ICEs with -mabi=ilp32

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78002 --- Comment #8 from Eric Botcazou --- > The ICE is gone, but gnat.dg/stack_check[12].adb fail execution test. That gnat.dg/null_pointer_deref2.adb also fails would point to unwinding.

[Bug target/79671] [7 Regression] mapnik miscompilation on armv7hl since r235622

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79671 --- Comment #90 from rguenther at suse dot de --- On April 2, 2017 2:09:07 AM GMT+02:00, "bernd.edlinger at hotmail dot de" wrote: >https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79671 > >Bernd Edlinger changed: > >