[Bug target/88343] [7/8 Regression] R31 is unconditionally saved/restored on powerpc-darwin even when it's not necessary.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88343 Segher Boessenkool changed: What|Removed |Added Status|RESOLVED|REOPENED Resolution|FIXED

[Bug target/88343] [7/8 Regression] R31 is unconditionally saved/restored on powerpc-darwin even when it's not necessary.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88343 --- Comment #13 from Iain Sandoe --- (In reply to Joseph S. Myers from comment #11) > This change results in miscompilation of glibc for 32-bit soft-float powerpc > (symptoms: many libm tests as run by "make regen-ulps" either segfault, or > prod

[Bug fortran/88669] New: Contiguous attribute wrongly rejected

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88669 Bug ID: 88669 Summary: Contiguous attribute wrongly rejected Product: gcc Version: 8.2.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component: fortran

[Bug tree-optimization/88599] ICE in make_decl_rtl, at varasm.c:1337

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88599 Martin Liška changed: What|Removed |Added Status|UNCONFIRMED |WAITING Last reconfirmed|

[Bug target/88343] [7/8 Regression] R31 is unconditionally saved/restored on powerpc-darwin even when it's not necessary.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88343 --- Comment #14 from Iain Sandoe --- Author: iains Date: Thu Jan 3 08:34:41 2019 New Revision: 267542 URL: https://gcc.gnu.org/viewcvs?rev=267542&root=gcc&view=rev Log: revert fix for pr88343 causes problems with soft-fp in GLIBC, see pr comme

[Bug lto/88147] [9 Regression] ICE in linemap_line_start, at libcpp/line-map.c:781 starting from r265875

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88147 --- Comment #8 from Martin Liška --- (In reply to David Malcolm from comment #7) > I've been trying to reproduce this, but failing - I tried with today's > trunk, and with a build from 2018-11-16. > > Do you have a revision that is known to trig

[Bug middle-end/80362] [5 Regression] gcc miscompiles arithmetic with signed char

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80362 --- Comment #10 from Richard Biener --- (In reply to Alexandre Oliva from comment #9) > I see the same issue of using arg vs op is present in the reciprocal tests > right below the patched ones. AFAICT it is not possible to trigger the > problem

[Bug tree-optimization/88666] GCC 8.2.- gets Internal Compiler Error: seg fault; GCC 8.1.0 works fine

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88666 Richard Biener changed: What|Removed |Added Keywords||needs-bisection CC|

[Bug target/88343] [7/8 Regression] R31 is unconditionally saved/restored on powerpc-darwin even when it's not necessary.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88343 --- Comment #15 from Iain Sandoe --- Author: iains Date: Thu Jan 3 08:45:35 2019 New Revision: 267543 URL: https://gcc.gnu.org/viewcvs?rev=267543&root=gcc&view=rev Log: revert fix for pr88343 This causes problems for soft-f on GLIBC, see pr co

[Bug c/88568] [8/9 Regression] 'dllimport' no longer implies 'extern' in C

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88568 Richard Biener changed: What|Removed |Added Keywords||wrong-code Target Milestone|---

[Bug target/88570] Missing or ineffective vectorization of scatter load

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88570 Richard Biener changed: What|Removed |Added Blocks||53947 --- Comment #4 from Richard Biene

[Bug ipa/88561] [8/9 Regression] PGO devirtualization miscompilation of firefox

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88561 --- Comment #6 from Martin Liška --- Author: marxin Date: Thu Jan 3 08:49:04 2019 New Revision: 267546 URL: https://gcc.gnu.org/viewcvs?rev=267546&root=gcc&view=rev Log: Backport r267507 2019-01-03 Martin Liska Backport from mainli

[Bug middle-end/88273] [8/9 Regression] warning: 'memcpy' offset [-527, -529] is out of the bounds [0, 16] of object 'vrsave' with type 'union ' [-Warray-bounds]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88273 Martin Liška changed: What|Removed |Added Target||powerpc-*-linux-gnu Status|UN

[Bug debug/88644] [7/8/9 Regression] Unexpected pub type info eliminated after r246973 (causes pubtypes-*.c to regress).

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88644 --- Comment #5 from Iain Sandoe --- (In reply to Iain Sandoe from comment #4) > will do a complete test suite run now, to catch any other changed lengths. I don't see any other related changes.

[Bug tree-optimization/88666] GCC 8.2.- gets Internal Compiler Error: seg fault; GCC 8.1.0 works fine

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88666 --- Comment #3 from Martin Liška --- (In reply to Richard Biener from comment #2) > Confirmed with GCC 8.2.0, I can't reproduce it on the branch head so I > assume it was fixed (and there was likely a duplicate report). Martin, can > you bisect

[Bug middle-end/87099] [8 Regression] internal compiler error: segmentation fault

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87099 Martin Liška changed: What|Removed |Added CC||geir at cray dot com --- Comment #7 from

[Bug tree-optimization/88666] GCC 8.2.- gets Internal Compiler Error: seg fault; GCC 8.1.0 works fine

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88666 Martin Liška changed: What|Removed |Added Status|WAITING |RESOLVED Resolution|---

[Bug target/88331] ICE in rtl_verify_bb_layout, at cfgrtl.c:2987

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88331 Rainer Emrich changed: What|Removed |Added CC||rai...@emrich-ebersheim.de --- Comment #

[Bug target/88592] Passing of packed structures on sparc64 different than in clang

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88592 Eric Botcazou changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug rtl-optimization/88563] [7/8/9 Regression] wrong code with -O2 -fno-code-hoisting -fno-tree-ccp -fno-tree-dominator-opts -fno-tree-forwprop -fno-tree-fre -fno-tree-pre -fno-tree-vrp

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88563 Martin Liška changed: What|Removed |Added CC||marxin at gcc dot gnu.org --- Comment #7

[Bug target/88592] Passing of packed structures on sparc64 different than in clang

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88592 Eric Botcazou changed: What|Removed |Added Status|NEW |SUSPENDED --- Comment #2 from Eric Botca

[Bug ipa/87554] [8/9 Regression] internal compiler error: in record_reference, at cgraphbuild.c:64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87554 --- Comment #6 from Martin Liška --- With first bad revision the constructor looks as follows: $ (gdb) p print_generic_expr(stderr, decl->decl_common.initial, 0) instance = b::create ()$1 = void (gdb) p debug_tree(decl->decl_common.initial)

[Bug target/88331] ICE in rtl_verify_bb_layout, at cfgrtl.c:2987

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88331 --- Comment #7 from Rainer Emrich --- If I call make within the libgfortran directory I get a slightly different error message: during RTL pass: postreload ../../../../../../../../opt/devel/gnu/src/gcc-mingw-w64/gcc-9.0.0/libgfortran/generated/m

[Bug ada/88610] ICE with new ACATS test c452003

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88610 Eric Botcazou changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug target/88331] ICE in rtl_verify_bb_layout, at cfgrtl.c:2987

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88331 --- Comment #8 from Rainer Emrich --- Created attachment 45323 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=45323&action=edit preprocessed source I attached the preprocessed source.

[Bug c++/88636] [9 Regression] ICE: Segmentation fault (in c_tree_chain_next)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88636 --- Comment #1 from Jakub Jelinek --- Author: jakub Date: Thu Jan 3 10:11:40 2019 New Revision: 267548 URL: https://gcc.gnu.org/viewcvs?rev=267548&root=gcc&view=rev Log: PR c++/88636 * decl.c (builtin_function_1): Return result

[Bug tree-optimization/83651] [7/8/9 regression] 20% slowdown of linux kernel AES cipher

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83651 --- Comment #18 from Martin Liška --- This is what I see on my model name : Intel(R) Core(TM) i7-4770 CPU @ 3.40GHz: gcc-bisect.py bisect 'gcc -O2 aes_generic.c && /usr/bin/time -f '%E' ./a.out' -o Releases 4.8.0 (e9c762ec4671d77e)(22 Mar

[Bug c++/88636] [9 Regression] ICE: Segmentation fault (in c_tree_chain_next)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88636 Jakub Jelinek changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug middle-end/88273] [8/9 Regression] warning: 'memcpy' offset [-527, -529] is out of the bounds [0, 16] of object 'vrsave' with type 'union ' [-Warray-bounds]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88273 Martin Liška changed: What|Removed |Added Keywords|needs-bisection | Known to fail|

[Bug sanitizer/87880] [9 regression] All macOS asan execution tests FAIL

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87880 --- Comment #9 from Iain Sandoe --- So.. this is somewhat puzzling. Essentially, it seems that on macOS and Linux (at least) currently ASAN_INTERCEPT___CXA_RETHROW_PRIMARY_EXCEPTION is set unconditionally to "on" (for any target that has ASAN_HA

[Bug fortran/48543] Collapse identical strings

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=48543 Tamar Christina changed: What|Removed |Added CC||tnfchris at gcc dot gnu.org --- Commen

[Bug debug/88644] [7/8/9 Regression] Unexpected pub type info eliminated after r246973 (causes pubtypes-*.c to regress).

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88644 --- Comment #6 from Jakub Jelinek --- Author: jakub Date: Thu Jan 3 11:05:24 2019 New Revision: 267550 URL: https://gcc.gnu.org/viewcvs?rev=267550&root=gcc&view=rev Log: PR debug/88644 * dwarf2out.c (modified_type_die): If type

[Bug fortran/88669] Contiguous attribute wrongly rejected

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88669 Dominique d'Humieres changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug target/88535] sparcv9 gcc 7 causes comparison failure in sparc gcc 8 dwarf2out.o

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88535 --- Comment #16 from Rainer Orth --- Author: ro Date: Thu Jan 3 11:28:27 2019 New Revision: 267551 URL: https://gcc.gnu.org/viewcvs?rev=267551&root=gcc&view=rev Log: Update config.guess, config.sub (PR target/88535) PR target/88535

[Bug fortran/48543] Collapse identical strings

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=48543 Dominique d'Humieres changed: What|Removed |Added Status|RESOLVED|REOPENED Resolution|FIXED

[Bug tree-optimization/83651] [7/8/9 regression] 20% slowdown of linux kernel AES cipher

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83651 --- Comment #19 from Richard Biener --- Not sure what you are talking about - your numbers confirm the regression is still present? Or do you mean that GCC 7.1.0 is also bad and only 6.x was OK (which didn't have code hoisting?)

[Bug middle-end/88670] New: [meta-bug] generic vector extension issues

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88670 Bug ID: 88670 Summary: [meta-bug] generic vector extension issues Product: gcc Version: 9.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: middle-e

[Bug middle-end/88670] [meta-bug] generic vector extension issues

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88670 Richard Biener changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug tree-optimization/83651] [7/8/9 regression] 20% slowdown of linux kernel AES cipher

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83651 --- Comment #20 from Martin Liška --- (In reply to Richard Biener from comment #19) > Not sure what you are talking about - your numbers confirm the regression is > still present? Or do you mean that GCC 7.1.0 is also bad and only 6.x was OK > (

[Bug tree-optimization/54939] Very poor vectorization of loops with complex arithmetic

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54939 Richard Biener changed: What|Removed |Added CC||segher at gcc dot gnu.org,

[Bug libbacktrace/88063] Libbacktrace leak on dwarf read failure

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88063 Tom de Vries changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug lto/85574] [8/9 Regression] LTO bootstapped binaries differ

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85574 --- Comment #26 from Richard Biener --- Author: rguenth Date: Thu Jan 3 12:23:27 2019 New Revision: 267552 URL: https://gcc.gnu.org/viewcvs?rev=267552&root=gcc&view=rev Log: 2019-01-03 Jan Hubicka PR tree-optimization/85574

[Bug fortran/48543] Collapse identical strings

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=48543 --- Comment #7 from Thomas Koenig --- Author: tkoenig Date: Thu Jan 3 12:32:34 2019 New Revision: 267553 URL: https://gcc.gnu.org/viewcvs?rev=267553&root=gcc&view=rev Log: 2019-01-02 Thomas Koenig PR fortran/48543 * gfortran.dg/cons

[Bug tree-optimization/54939] Very poor vectorization of loops with complex arithmetic

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54939 --- Comment #9 from Segher Boessenkool --- I think we should declare one of the forms canonical, and make simplify use that one, if possible. If we really want one form in some cases and another in other cases something like change_zero_ext will

[Bug bootstrap/88668] Code generated was different for PowerPC when build!=host compared to build=host

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88668 --- Comment #4 from Umesh Kalappa --- Thank you Andrew for the suggestions and let us try the same and update here .

[Bug tree-optimization/54939] Very poor vectorization of loops with complex arithmetic

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54939 --- Comment #10 from rguenther at suse dot de --- On Thu, 3 Jan 2019, segher at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54939 > > --- Comment #9 from Segher Boessenkool --- > I think we should declare one of the f

[Bug tree-optimization/54939] Very poor vectorization of loops with complex arithmetic

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54939 --- Comment #11 from Segher Boessenkool --- (In reply to rguent...@suse.de from comment #10) > even if that means introducing of "fake" larger vector modes. That would be a good reason to not do this, except many targets already do need double-l

[Bug fortran/88669] Contiguous attribute wrongly rejected

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88669 Thomas Koenig changed: What|Removed |Added CC||tkoenig at gcc dot gnu.org --- Comment #

[Bug tree-optimization/54939] Very poor vectorization of loops with complex arithmetic

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54939 --- Comment #12 from Uroš Bizjak --- (In reply to Richard Biener from comment #8) > Maybe combine itself can try both variants in case there's a duality > between (vec_merge ...) and (vec_select (vec_concat ...))? Please note that combine spli

[Bug target/88671] New: generic vector passed in MMX regs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88671 Bug ID: 88671 Summary: generic vector passed in MMX regs Product: gcc Version: 9.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target

[Bug target/88671] generic vector passed in MMX regs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88671 Richard Biener changed: What|Removed |Added Keywords||ABI Target|

[Bug c++/88672] New: friend class template declaration in a class template is ignored

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88672 Bug ID: 88672 Summary: friend class template declaration in a class template is ignored Product: gcc Version: 8.2.0 Status: UNCONFIRMED Severity: normal

[Bug tree-optimization/54939] Very poor vectorization of loops with complex arithmetic

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54939 --- Comment #13 from rguenther at suse dot de --- On Thu, 3 Jan 2019, segher at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54939 > > --- Comment #11 from Segher Boessenkool --- > (In reply to rguent...@suse.de from c

[Bug sanitizer/88619] [9 Regression] ICE in asan_emit_stack_protection, at asan.c:1574 since r266664

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88619 --- Comment #3 from Jakub Jelinek --- Created attachment 45324 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=45324&action=edit gcc9-pr88619.patch Untested fix. make check-gcc check-c++-all RUNTESTFLAGS='--target_board=unix\{-m32,-m64\} a

[Bug target/88671] generic vector passed in MMX regs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88671 --- Comment #2 from Uroš Bizjak --- This is required by ABI, please see section 2.3.3 of i386 PSABI, where: The exceptions to parameters passed on stack are as follows: • The first three parameters of type __m64 are passed in %mm0, %mm1, and %mm

[Bug libstdc++/88673] New: Overflowed array index read error

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88673 Bug ID: 88673 Summary: Overflowed array index read error Product: gcc Version: 6.2.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: libstdc++

[Bug target/88671] generic vector passed in MMX regs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88671 Richard Biener changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug c/88674] New: GCC thinks that register is a qualifier in function declaration with no parameters.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88674 Bug ID: 88674 Summary: GCC thinks that register is a qualifier in function declaration with no parameters. Product: gcc Version: 9.0 Status: UNCONFIRMED Severit

[Bug c++/88675] New: std::make_integer_sequence not working for enums

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88675 Bug ID: 88675 Summary: std::make_integer_sequence not working for enums Product: gcc Version: 8.2.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component:

[Bug d/88654] Hangs in libphobos testsuite

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88654 --- Comment #3 from Iain Buclaw --- (In reply to Jakub Jelinek from comment #0) > The reason I'm filing this is that there are multiple issues: > > 1) what I'm worried about most is that the timeouts for tests don't work, it > happens that some

[Bug tree-optimization/88598] simplification of multiplication by 1 or 0 fails

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88598 rsandifo at gcc dot gnu.org changed: What|Removed |Added Status|NEW |ASSIGNED Assigne

[Bug target/88671] generic vector passed in MMX regs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88671 H.J. Lu changed: What|Removed |Added CC||hjl.tools at gmail dot com --- Comment #4 from

[Bug tree-optimization/88676] New: missed opportunity is integer conditional

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88676 Bug ID: 88676 Summary: missed opportunity is integer conditional Product: gcc Version: 9.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-opti

[Bug d/88654] Hangs in libphobos testsuite

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88654 --- Comment #4 from Jakub Jelinek --- (In reply to Iain Buclaw from comment #3) > (In reply to Jakub Jelinek from comment #0) > > The reason I'm filing this is that there are multiple issues: > > > > 1) what I'm worried about most is that the ti

[Bug tree-optimization/84478] [8 Regression] pdftex miscompilation on i386

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84478 --- Comment #10 from H.J. Lu --- (In reply to Rainer Orth from comment #5) > The new testcase FAILs e.g. on i386-pc-solaris2.11 and sparc-sun-solaris2.11 > (32-bit only) at -O1 and above: > > +FAIL: gcc.c-torture/execute/pr84478.c -O1 executi

[Bug tree-optimization/88598] simplification of multiplication by 1 or 0 fails

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88598 --- Comment #6 from rsandifo at gcc dot gnu.org --- I think a general fix for this would involve tracking the set of nonzero vector elements and adding a match.pd rule that uses that to replace REDUC functions in which only one element of the ar

[Bug fortran/88669] Contiguous attribute wrongly rejected

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88669 --- Comment #3 from Thomas Koenig --- Works when class(t) is replaced by type(t), so the attributes were not correctly set somewhere.

[Bug tree-optimization/88598] simplification of multiplication by 1 or 0 fails

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88598 --- Comment #7 from rguenther at suse dot de --- On Thu, 3 Jan 2019, rsandifo at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88598 > > --- Comment #6 from rsandifo at gcc dot gnu.org > --- > I think a general fix for

[Bug lto/88677] New: Divergence in -O2 and -O2 -flto early opts

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88677 Bug ID: 88677 Summary: Divergence in -O2 and -O2 -flto early opts Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: lto

[Bug lto/88677] Divergence in -O2 and -O2 -flto early opts

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88677 --- Comment #1 from Jan Hubicka --- Created attachment 45326 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=45326&action=edit dump with no lto

[Bug lto/88677] Divergence in -O2 and -O2 -flto early opts

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88677 --- Comment #2 from Jan Hubicka --- Created attachment 45327 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=45327&action=edit dump with lto

[Bug target/86891] [9 Regression] __builtin_sub_overflow incorrect for unsigned types

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86891 --- Comment #4 from Richard Earnshaw --- Yes, the extension should be zero-extend, not sign extend. The plus operation is correct, however, since decrementing the first operand could lead to underflow if it was zero. So the correct rtl would be

[Bug fortran/88678] New: [9 regression] Many gfortran.dg/ieee/ieee_X.f90 test cases fail starting with r267465

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88678 Bug ID: 88678 Summary: [9 regression] Many gfortran.dg/ieee/ieee_X.f90 test cases fail starting with r267465 Product: gcc Version: 9.0 Status: UNCONFIRMED Sever

[Bug lto/88677] [9 Regression] Divergence in -O2 and -O2 -flto early opts

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88677 Martin Liška changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug fortran/88678] [9 regression] Many gfortran.dg/ieee/ieee_X.f90 test cases fail starting with r267465

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88678 --- Comment #1 from kargl at gcc dot gnu.org --- (In reply to seurer from comment #0) > Program received signal SIGFPE: Floating-point exception - erroneous > arithmetic operation. > > Backtrace for this error: > #0 0x3fffb00304d7 in ??? What

[Bug lto/88677] [9 Regression] Divergence in -O2 and -O2 -flto early opts

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88677 --- Comment #4 from Jan Hubicka --- This drops TYPE_NEEDS_CONSTRUCTING. I checked the uses jan@skylake:~/trunk/gcc> grep TYPE_NEEDS_CONSTRU *.c gimplify.c: || TYPE_NEEDS_CONSTRUCTING (TREE_TYPE (decl print-tree.c: if (TYPE_NEEDS_C

[Bug lto/88677] [9 Regression] Divergence in -O2 and -O2 -flto early opts

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88677 Martin Liška changed: What|Removed |Added Keywords||needs-reduction --- Comment #5 from Marti

[Bug target/88027] PowerPC generates slightly weird code for memset

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88027 acsawdey at gcc dot gnu.org changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Last reconfirmed

[Bug c++/88675] std::make_integer_sequence not working for enums

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88675 Jonathan Wakely changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug c/88679] New: SSE2 intrinsics are available by default on x86

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88679 Bug ID: 88679 Summary: SSE2 intrinsics are available by default on x86 Product: gcc Version: 9.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c

[Bug target/88343] [7/8 Regression] R31 is unconditionally saved/restored on powerpc-darwin even when it's not necessary.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88343 --- Comment #16 from joseph at codesourcery dot com --- On Thu, 3 Jan 2019, iains at gcc dot gnu.org wrote: > Unfortunately, there doesn't appear to be anything in the GCC test suite that > catches this (all languages reg-strap was clean, on gcc

[Bug target/88679] SSE2 intrinsics are available by default on x86

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88679 H.J. Lu changed: What|Removed |Added Status|UNCONFIRMED |WAITING Last reconfirmed|

[Bug libstdc++/88673] Overflowed array index read error

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88673 Jonathan Wakely changed: What|Removed |Added Status|UNCONFIRMED |WAITING Last reconfirmed|

[Bug target/88510] GCC generates inefficient U64x2/v2di scalar multiply for NEON32

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88510 --- Comment #2 from Devin Hussey --- Update: I did the calculations, and twomul has the same cycle count as goodmul_sse. vmul.i32 with 128-bit operands takes 4 cycles (I assumed it was two), so just like goodmul_sse, it takes 11 cycles.

[Bug c++/88672] friend class template declaration in a class template is ignored

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88672 --- Comment #1 from Jonathan Wakely --- Please check if this is a duplicate of one of the bugs that PR 59002 depends on.

[Bug c++/88672] friend class template declaration in a class template is ignored

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88672 --- Comment #2 from Jonathan Wakely --- Also, https://gcc.gnu.org/bugs very clearly says we need the testcase in bugzilla, and not just a URL to some other site.

[Bug c/88674] GCC thinks that register is a qualifier in function declaration with no parameters.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88674 --- Comment #1 from joseph at codesourcery dot com --- "qualified" is used in the informal sense of "any additional specifiers along with void", not in the sense of "type qualifiers present". The program is not valid. J.2 explicitly lists "A

[Bug target/88679] SSE2 intrinsics are available by default on x86

with: ../gcc-trunk-20190103/configure --prefix=/opt/compiler-explorer/gcc-build/staging --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu --disable-bootstrap --enable-multiarch --with-abi=m64 --with-multilib-list=m32,m64,mx32 --enable-multilib --enable-clocale=gnu --enable

[Bug c++/88680] New: [9 Regression] bogus -Wtype-limits for constant expressions after r267272

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88680 Bug ID: 88680 Summary: [9 Regression] bogus -Wtype-limits for constant expressions after r267272 Product: gcc Version: 9.0 Status: UNCONFIRMED Severity: normal

[Bug target/88679] SSE2 intrinsics are available by default on x86

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88679 --- Comment #3 from H.J. Lu --- Your GCC is configured -m32 ISA to x86-64 ISA by default. To default -m32 ISA to i686 ISA, please configure your GCC with --with-arch_32=i686. Or you can use "-march=i686 -m32".

[Bug target/88343] [7/8 Regression] R31 is unconditionally saved/restored on powerpc-darwin even when it's not necessary.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88343 --- Comment #17 from Joseph S. Myers --- Created attachment 45328 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=45328&action=edit Preprocessed source Replacing s_nextafterf.os built with trunk with that patch reverted, by the same file as

[Bug target/88343] [7/8 Regression] R31 is unconditionally saved/restored on powerpc-darwin even when it's not necessary.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88343 --- Comment #18 from Joseph S. Myers --- Created attachment 45329 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=45329&action=edit Good assembly (with the GCC patch reverted)

[Bug target/88343] [7/8 Regression] R31 is unconditionally saved/restored on powerpc-darwin even when it's not necessary.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88343 --- Comment #19 from Joseph S. Myers --- Created attachment 45330 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=45330&action=edit Bad assembly (from trunk r267560 with the patch still present)

[Bug target/88679] SSE2 intrinsics are available by default on x86

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88679 H.J. Lu changed: What|Removed |Added Status|WAITING |RESOLVED Resolution|---

[Bug target/88620] [7/8/9 Regression] ICE in assign_stack_temp_for_type, at function.c:837

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88620 Jakub Jelinek changed: What|Removed |Added Status|NEW |ASSIGNED Assignee|unassigned a

[Bug libstdc++/88681] New: Missing symbol exports in libstdc++.so

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88681 Bug ID: 88681 Summary: Missing symbol exports in libstdc++.so Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: libstdc+

[Bug libstdc++/88681] Missing symbol exports in libstdc++.so

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88681 Jonathan Wakely changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Last reconfirmed|

[Bug libstdc++/88681] Missing symbol exports in libstdc++.so

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88681 --- Comment #1 from Jonathan Wakely --- N.B. When optimization is enabled the functions are inlined, so the exports aren't needed.

[Bug fortran/88678] [9 regression] Many gfortran.dg/ieee/ieee_X.f90 test cases fail starting with r267465

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88678 --- Comment #2 from seurer at gcc dot gnu.org --- Program received signal SIGFPE: Floating-point exception - erroneous arithmetic operation. Backtrace for this error: #0 0x3fffb17f0477 in ??? #1 0x3fffb14f1694 in feenableexcept at ../sy

[Bug target/88616] [9 Regression] ICE in gimplify_expr at gcc/gimplify.c:13363

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88616 Jakub Jelinek changed: What|Removed |Added CC||aoliva at gcc dot gnu.org,

  1   2   >