[Bug target/45726] Thumb2 instruction emitted for incompatible CPU

--- Comment #3 from rafael dot carre at gmail dot com 2010-09-20 07:24 --- I made a CVS checkout of binutils yesterday. You're right, MOVT is supported on ARMv7 because all ARMv7 supports Thumb2, http://infocenter.arm.com/help/topic/com.arm.doc.qrc0001m/QRC0001_UAL.pdf (It says "All Th

[Bug rtl-optimization/45728] ICE: in gen_lowpart_general, at rtlhooks.c:59 at -O1 when comparing union members

--- Comment #3 from jakub at gcc dot gnu dot org 2010-09-20 07:29 --- Created an attachment (id=21843) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=21843&action=view) gcc46-pr45728.patch Fix. Alternatively we could just change the == SUBREG condition to force_reg first to !REG_P

[Bug target/45726] Thumb2 instruction emitted for incompatible CPU

--- Comment #4 from rafael dot carre at gmail dot com 2010-09-20 07:47 --- Created an attachment (id=21844) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=21844&action=view) Only emit MOVT when targetting Thumb2 Tentative patch. However as suggested by the original TARGET_32BIT,

[Bug fortran/45710] WRITE of NAMELIST group to internal file contains newline characters

--- Comment #5 from burnus at gcc dot gnu dot org 2010-09-20 07:56 --- (In reply to comment #0) > In gfortran a WRITE of a NAMELIST group into an internal file appears to all > go into the first record. [...] > only major complaint with that is that I first guessed that your output > int

[Bug target/45726] Thumb2 instruction emitted for incompatible CPU

--- Comment #5 from rafael dot carre at gmail dot com 2010-09-20 08:17 --- Created an attachment (id=21845) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=21845&action=view) Only emit MOVT when the targetted CPU is Thumb2-able -- rafael dot carre at gmail dot com changed:

[Bug tree-optimization/45623] [4.5 Regression] GCC 4.5.[01] breaks our ffi on Linux64. ABI break?

--- Comment #30 from rguenth at gcc dot gnu dot org 2010-09-20 08:33 --- Fixed. -- rguenth at gcc dot gnu dot org changed: What|Removed |Added Status|ASSIGNE

[Bug tree-optimization/45623] [4.5 Regression] GCC 4.5.[01] breaks our ffi on Linux64. ABI break?

--- Comment #31 from rguenth at gcc dot gnu dot org 2010-09-20 08:34 --- Subject: Bug 45623 Author: rguenth Date: Mon Sep 20 08:33:46 2010 New Revision: 164430 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=164430 Log: 2010-09-20 Richard Guenther PR tree-optimizatio

[Bug tree-optimization/45580] [4.6 Regression] Building WebKit fails with compiler catching SIGSEGV in gimple_fold_obj_type_ref_known_binfo()

--- Comment #12 from rguenth at gcc dot gnu dot org 2010-09-20 09:10 --- Mine. -- rguenth at gcc dot gnu dot org changed: What|Removed |Added AssignedTo|unassign

[Bug tree-optimization/45732] New: [4.6 Regression] ICE: in bit_value_unop, at tree-ssa-ccp.c:1861 at -O1

Compiler output: $ gcc -O testcase.c testcase.c: In function 'foo': testcase.c:8:1: internal compiler error: in bit_value_unop, at tree-ssa-ccp.c:1861 Please submit a full bug report, with preprocessed source if appropriate. See for instructions. Tested revisions: r

[Bug tree-optimization/45732] [4.6 Regression] ICE: in bit_value_unop, at tree-ssa-ccp.c:1861 at -O1

--- Comment #1 from zsojka at seznam dot cz 2010-09-20 09:23 --- Created an attachment (id=21846) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=21846&action=view) reduced testcase $ gcc -O pr45732.c -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45732

[Bug driver/45731] Header missing for assembler option help.

--- Comment #3 from rguenth at gcc dot gnu dot org 2010-09-20 09:30 --- (In reply to comment #2) > And yet, it does not help (with or without dashes) that corei7 is claimed to > be > supported and yet is not. --target-help is documented as alias for --help=target, but that doesn't prin

[Bug middle-end/45730] Undefined symbol __gnu_cxx::stdio_sync_filebuf >::xsgetn(char*, long)

--- Comment #5 from paolo dot carlini at oracle dot com 2010-09-20 09:56 --- Thus, I would say middle-end? However, certainly doesn't happen on Linux, for some reason... Honza, in case please recategorize. -- paolo dot carlini at oracle dot com changed: What|Removed

[Bug fortran/45710] WRITE of NAMELIST group to internal file contains newline characters

--- Comment #6 from urbanjost at comcast dot net 2010-09-20 09:57 --- Subject: Re: WRITE of NAMELIST group to internal file contains newline characters That is the confusing part. The output only looks like it is multiple lines because a newline is placed between each name=value pair.

Re: build gcc (c,c++,ada) for ia64-hp-hpux11.23 fails

> Do you know if there is any configuration option to force build 64bit only? Try --disable-multilib. -- Eric Botcazou

[Bug target/45726] Thumb2 instruction emitted for incompatible CPU

--- Comment #6 from mikpe at it dot uu dot se 2010-09-20 10:29 --- Can you do a bisection to identify the exact commit responsible? Looking at the original commit that introduced the movt md pattern (139881) I see a TARGET_USE_MOVT guard in the C code that _should_ prevent it from being

[Bug rtl-optimization/42775] [4.4 regression] GCC fails to rebuild itself with STAGE1_CFLAGS=-O1

--- Comment #7 from ebotcazou at gcc dot gnu dot org 2010-09-20 10:31 --- Created an attachment (id=21847) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=21847&action=view) Semi-reduced testcase To be compiled at -O -mcpu=v8. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=427

[Bug tree-optimization/45732] [4.6 Regression] ICE: in bit_value_unop, at tree-ssa-ccp.c:1861 at -O1

--- Comment #2 from rguenth at gcc dot gnu dot org 2010-09-20 10:39 --- Mine. -- rguenth at gcc dot gnu dot org changed: What|Removed |Added AssignedTo|unassigned

[Bug target/45694] [MinGW64] fortran host associated variables+optimization==failure?

--- Comment #3 from jpr at csc dot fi 2010-09-20 11:05 --- Even simpler testcase, now in C. #include #include void a() { char s[2]; void b() { char p[4096]; if ( strcmp(s,"s")!=0 ) abort(); strcpy( p,"p"); } strcpy( s,"s" ); b(); } main() { a(); } --

[Bug middle-end/45706] [4.6 regression] gcc.dg/vect/vect-114.c

--- Comment #4 from matz at gcc dot gnu dot org 2010-09-20 11:07 --- Whoops. Yeah, I only added x86_64-*-* to the vect_perm targets. Obviously, as sse2 is active by default for the vectorizer testsuite I also need to add the i?86-*-* targets. H.J., can you try with this patch on a nat

[Bug target/45726] Thumb2 instruction emitted for incompatible CPU

--- Comment #7 from rafael dot carre at gmail dot com 2010-09-20 11:08 --- I didn't bisect. Did you try r139881? If I download a checkout (I'm using a snapshot) to bisect I could use this as a working starting point. TARGET_USE_MOVT uses arm_arch_thumb2 just like my patch so it's not b

[Bug target/45694] [MinGW64] fortran host associated variables+optimization==failure?

--- Comment #4 from jpr at csc dot fi 2010-09-20 11:12 --- For the testcase in comment #3 the ___chkstk call is also generated with -O0 (and trying to use %r10 across the call...) Juha -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45694

[Bug target/45694] [MinGW64] fortran host associated variables+optimization==failure?

--- Comment #5 from jpr at csc dot fi 2010-09-20 11:36 --- And still reduced testcase, fails at -O0. void main() { char s; void b() { char p[4096]; if ( s!='s' ) abort(); } s='s'; b(); } -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45694

[Bug target/45694] [MinGW64] fortran host associated variables+optimization==failure?

--- Comment #6 from t7 at gmail dot com 2010-09-20 11:41 --- (In reply to comment #3) > Even simpler testcase, now in C. > > > #include > #include > > void a() > { > char s[2]; > > void b() { > char p[4096]; You deliberately use a very large storage for a very little da

[Bug tree-optimization/45733] New: [4.6 Regression] ICE: verify_stmts failed: invalid conversion in gimple call with -fstrict-overflow -ftree-vectorize

Compiler output: $ gcc -O1 -fstrict-overflow -ftree-vectorize testcase.c testcase.c: In function 'foo': testcase.c:4:1: error: invalid conversion in gimple call vector(2) void * vector(2) long long unsigned int vect_var_.19_89 = __builtin_ia32_vec_perm_v2di_u (vect_var_.18_88, vect_var_.18_88, {

[Bug tree-optimization/45733] [4.6 Regression] ICE: verify_stmts failed: invalid conversion in gimple call with -fstrict-overflow -ftree-vectorize

--- Comment #1 from zsojka at seznam dot cz 2010-09-20 11:43 --- Created an attachment (id=21848) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=21848&action=view) reduced testcase $ gcc -O -fstrict-overflow -ftree-vectorize pr45733.c -- http://gcc.gnu.org/bugzilla/show_bug.cg

[Bug tree-optimization/45580] [4.6 Regression] Building WebKit fails with compiler catching SIGSEGV in gimple_fold_obj_type_ref_known_binfo()

--- Comment #13 from rguenth at gcc dot gnu dot org 2010-09-20 11:45 --- namespace std { typedef __SIZE_TYPE__ size_t; } inline void* operator new(std::size_t, void* __p) throw() { return __p; } extern "C" void abort (void); class Foo { public: virtual void test (void) { abort (

[Bug target/45694] [MinGW64] fortran host associated variables+optimization==failure?

--- Comment #7 from jpr at csc dot fi 2010-09-20 11:46 --- Hi, yes the stack size is relevant here, because otherwise gcc does not call ___chkstk(), which seems to be the trouble here. 4K stack usage is not very big IMHO. -Juha (In reply to comment #6) > (In reply to comment #3) > > Eve

[Bug target/45694] [MinGW64] fortran host associated variables+optimization==failure?

--- Comment #8 from t7 at gmail dot com 2010-09-20 11:59 --- (In reply to comment #7) > Hi, > yes the stack size is relevant here, because otherwise gcc does not > call ___chkstk(), which seems to be the trouble here. 4K stack usage > is not very big IMHO. I went deeper... and found

[Bug target/45726] Thumb2 instruction emitted for incompatible CPU

--- Comment #8 from mikpe at it dot uu dot se 2010-09-20 12:02 --- r139881 is good. I'll start a bisection. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45726

[Bug target/45694] [MinGW64] fortran host associated variables+optimization==failure?

--- Comment #9 from ktietz at gcc dot gnu dot org 2010-09-20 12:07 --- (In reply to comment #8) This issue is caused by the fact that __chkstk clobbers r10 (see its constrains), which is used here as argument-register for this nested function. So something is broken here about register-

[Bug libstdc++/42857] std::istream::ignore(std::streamsize n) calls unnecessary underflow

--- Comment #2 from paolo dot carlini at oracle dot com 2010-09-20 12:15 --- I was having a second look to this issue, and noticed something more which I missed the first time: the Standard, *only* in the case of getline(char_type*, streamsize, char_type) explicitly says "These conditio

[Bug tree-optimization/45733] [4.6 Regression] ICE: verify_stmts failed: invalid conversion in gimple call with -fstrict-overflow -ftree-vectorize

--- Comment #2 from irar at il dot ibm dot com 2010-09-20 12:17 --- Looks like it is caused by revision 164367: http://gcc.gnu.org/ml/gcc-cvs/2010-09/msg00661.html -- irar at il dot ibm dot com changed: What|Removed |Added

[Bug bootstrap/45445] [4.6 regression] ARM bootstrap failure: comparison failures after stage 3

--- Comment #17 from mikpe at it dot uu dot se 2010-09-20 12:40 --- expmed.c:expand_shift () is miscompiled: breaking that function out to a separate source file, compiling it with stage1/xgcc, and relinking stage2/cc1 I get 'lsls', compiling it with the bootstrap gcc and relinking stage

[Bug target/43088] [avr] Suspect optimizer missed code in gcc 4.4.3..

--- Comment #4 from eric dot weddington at atmel dot com 2010-09-20 12:58 --- (In reply to comment #3) > > It exits for the reported version (4.4.3) and as well as for trunk/4.6. > Abnikant, could you also post the patch that fixes this problem? Thanks. -- eric dot weddington at

[Bug rtl-optimization/45472] [4.5/4.6 Regression] ICE: in move_op_ascend, at sel-sched.c:6124 with -fselective-scheduling2

--- Comment #3 from abel at gcc dot gnu dot org 2010-09-20 13:05 --- We have the code like this: if (...) { 17 cx:DI=[`s2'] //comes from s2.vl += s1.vl; ... } 27 dx:DI=[`s2'] //comes from s1 = s2; When the scheduler tries to move insn 27 before if (...), it also unifies its right

[Bug tree-optimization/45733] [4.6 Regression] ICE: verify_stmts failed: invalid conversion in gimple call with -fstrict-overflow -ftree-vectorize

--- Comment #3 from irar at il dot ibm dot com 2010-09-20 13:08 --- For vector(2) void * we get vec_perm_v2di_u builtin declaration, because the mode of vector(2) void * is unsigned V2DI. I wonder if this can happen for every builtin call, and we should convert back to the original type

[Bug tree-optimization/45733] [4.6 Regression] ICE: verify_stmts failed: invalid conversion in gimple call with -fstrict-overflow -ftree-vectorize

--- Comment #4 from matz at gcc dot gnu dot org 2010-09-20 13:17 --- Yeah, probably some fold_convert is missing in reverse_vec_elements() in case the type of the args or the return type of the chosen builtin decl don't exactly match. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=

[Bug rtl-optimization/45695] [4.5/4.6 Regression] -O1 wrong-code by cmove

--- Comment #3 from jakub at gcc dot gnu dot org 2010-09-20 13:24 --- Subject: Bug 45695 Author: jakub Date: Mon Sep 20 13:24:23 2010 New Revision: 164431 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=164431 Log: PR rtl-optimization/45695 * combine.c (try_combin

[Bug middle-end/45706] [4.6 regression] gcc.dg/vect/vect-114.c

--- Comment #5 from hjl dot tools at gmail dot com 2010-09-20 13:54 --- (In reply to comment #4) > Whoops. Yeah, I only added x86_64-*-* to the vect_perm targets. Obviously, > as sse2 is active by default for the vectorizer testsuite I also need to > add the i?86-*-* targets. H.J., ca

[Bug middle-end/45706] [4.6 regression] gcc.dg/vect/vect-114.c

--- Comment #6 from matz at gcc dot gnu dot org 2010-09-20 14:12 --- Subject: Bug 45706 Author: matz Date: Mon Sep 20 14:12:04 2010 New Revision: 164433 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=164433 Log: PR testsuite/45706 * lib/target-supports.exp (check

[Bug testsuite/45706] [4.6 regression] gcc.dg/vect/vect-114.c

--- Comment #7 from matz at gcc dot gnu dot org 2010-09-20 14:14 --- Fixed. -- matz at gcc dot gnu dot org changed: What|Removed |Added Status|UNCONFIRMED

[Bug tree-optimization/45580] [4.6 Regression] Building WebKit fails with compiler catching SIGSEGV in gimple_fold_obj_type_ref_known_binfo()

--- Comment #14 from hubicka at gcc dot gnu dot org 2010-09-20 14:26 --- The fact that C++ vtables are weak or external should no longer bother us with const_decl_known flag. The problem is that array constructor provided by C++ frontend don't have explicit indexes and thus current fol

[Bug middle-end/45705] [4.3/4.4/4.5/4.6 Regression] Useless store not optimized away

--- Comment #4 from rguenth at gcc dot gnu dot org 2010-09-20 14:40 --- Subject: Bug 45705 Author: rguenth Date: Mon Sep 20 14:40:10 2010 New Revision: 164434 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=164434 Log: 2010-09-20 Richard Guenther PR tree-optimization/

[Bug testsuite/45706] [4.6 regression] gcc.dg/vect/vect-114.c

--- Comment #8 from matz at gcc dot gnu dot org 2010-09-20 14:45 --- Subject: Bug 45706 Author: matz Date: Mon Sep 20 14:45:30 2010 New Revision: 164435 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=164435 Log: PR testsuite/45706 * gcc.dg/vect/pr43432.c: Don't o

[Bug middle-end/45705] [4.3/4.4/4.5 Regression] Useless store not optimized away

--- Comment #5 from rguenth at gcc dot gnu dot org 2010-09-20 14:46 --- Fixed on trunk sofar. -- rguenth at gcc dot gnu dot org changed: What|Removed |Added Known to

[Bug tree-optimization/45734] New: [4.6 Regression] Devirtualization results in wrong-code

namespace std { typedef __SIZE_TYPE__ size_t; } inline void* operator new(std::size_t, void* __p) throw() { return __p; } extern "C" void abort (void); class Foo { public: virtual void test (void) { abort (); } }; class Bar { public: virtual void test (void) { } }; int main() { Foo f;

[Bug tree-optimization/45734] [4.6 Regression] Devirtualization results in wrong-code

-- rguenth at gcc dot gnu dot org changed: What|Removed |Added CC||hubicka at gcc dot gnu dot |

[Bug rtl-optimization/45472] [4.5/4.6 Regression] ICE: in move_op_ascend, at sel-sched.c:6124 with -fselective-scheduling2

--- Comment #4 from amonakov at gcc dot gnu dot org 2010-09-20 14:49 --- A small testcase to illustrate the problem with volatile fields. //---8<--- struct vv {volatile long a, b;} vv1, vv2; int foo() { vv1 = vv2; } //---8<--- gcc/cc1 -O2 -frename-registers -fschedule-insns2 vol.c

[Bug target/45726] Thumb2 instruction emitted for incompatible CPU

--- Comment #9 from rearnsha at gcc dot gnu dot org 2010-09-20 15:20 --- Must also be present (even if latent) on 4.5. -- rearnsha at gcc dot gnu dot org changed: What|Removed |Added

[Bug target/45726] Thumb2 instruction emitted for incompatible CPU

-- rearnsha at gcc dot gnu dot org changed: What|Removed |Added AssignedTo|unassigned at gcc dot gnu |rearnsha at gcc dot gnu dot |dot org

[Bug target/45726] Thumb2 instruction emitted for incompatible CPU

--- Comment #10 from rearnsha at gcc dot gnu dot org 2010-09-20 15:25 --- Subject: Bug 45726 Author: rearnsha Date: Mon Sep 20 15:25:44 2010 New Revision: 164436 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=164436 Log: 2010-09-20 Rafael Carre PR target/45726

[Bug tree-optimization/45734] [4.6 Regression] Devirtualization results in wrong-code

--- Comment #1 from hjl dot tools at gmail dot com 2010-09-20 15:27 --- It is caused by revision 161655: http://gcc.gnu.org/ml/gcc-cvs/2010-07/msg6.html -- hjl dot tools at gmail dot com changed: What|Removed |Added ---

[Bug target/45726] Thumb2 instruction emitted for incompatible CPU

--- Comment #11 from rearnsha at gcc dot gnu dot org 2010-09-20 15:27 --- Subject: Bug 45726 Author: rearnsha Date: Mon Sep 20 15:27:13 2010 New Revision: 164437 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=164437 Log: 2010-09-20 Rafael Carre PR target/45726

[Bug target/45726] Thumb2 instruction emitted for incompatible CPU

--- Comment #12 from rearnsha at gcc dot gnu dot org 2010-09-20 15:36 --- Fixed in 4.5.3 and trunk. -- rearnsha at gcc dot gnu dot org changed: What|Removed |Added

[Bug target/45726] Thumb2 instruction emitted for incompatible CPU

--- Comment #13 from rafael dot carre at gmail dot com 2010-09-20 15:46 --- Is there something wrong with the first hunk of the patch (arm_movt) ? -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45726

[Bug tree-optimization/45734] [4.6 Regression] Devirtualization results in wrong-code

--- Comment #2 from rguenth at gcc dot gnu dot org 2010-09-20 15:46 --- Of course it is ;) Before pointer-conversions became useless we didn't propagate the invariant address into the OBJ_TYPE_REF expression. We still have useful function-pointer conversions as well, because dropping t

[Bug c++/45605] Missed devirtualization

--- Comment #20 from hubicka at gcc dot gnu dot org 2010-09-20 15:48 --- Subject: Bug 45605 Author: hubicka Date: Mon Sep 20 15:48:42 2010 New Revision: 164438 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=164438 Log: PR tree-optimize/45605 * cgraph.h (const_v

[Bug c++/41437] No access control for classes in template functions

-- redi at gcc dot gnu dot org changed: What|Removed |Added Status|UNCONFIRMED |NEW Ever Confirmed|0 |1 Known to fai

[Bug c++/45605] Missed devirtualization

--- Comment #21 from hubicka at gcc dot gnu dot org 2010-09-20 15:53 --- OK, we now fold the testcase using obj_type_ref folding. We still should do it via vtable lookup and we don't but that is for other PR I guess. -- hubicka at gcc dot gnu dot org changed: What|R

[Bug c++/40843] access violation not detected for non dependent qualified enum value

--- Comment #5 from redi at gcc dot gnu dot org 2010-09-20 15:54 --- PR 41437 has a simpler testcase *** This bug has been marked as a duplicate of 41437 *** -- redi at gcc dot gnu dot org changed: What|Removed |Added -

[Bug c++/41437] No access control for classes in template functions

--- Comment #2 from redi at gcc dot gnu dot org 2010-09-20 15:54 --- *** Bug 40843 has been marked as a duplicate of this bug. *** -- redi at gcc dot gnu dot org changed: What|Removed |Added -

[Bug tree-optimization/45704] [4.5 Regression] load byte instruction is used for volatile int

--- Comment #2 from rguenth at gcc dot gnu dot org 2010-09-20 15:54 --- Subject: Bug 45704 Author: rguenth Date: Mon Sep 20 15:54:03 2010 New Revision: 164439 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=164439 Log: 2010-09-20 Richard Guenther PR middle-end/45704

[Bug rtl-optimization/45472] [4.5/4.6 Regression] ICE: in move_op_ascend, at sel-sched.c:6124 with -fselective-scheduling2

--- Comment #5 from bonzini at gnu dot org 2010-09-20 16:01 --- Looks like a problem in expand. CCing Matz. -- bonzini at gnu dot org changed: What|Removed |Added

[Bug target/45726] Thumb2 instruction emitted for incompatible CPU

--- Comment #14 from rearnsha at gcc dot gnu dot org 2010-09-20 16:13 --- (In reply to comment #13) > Is there something wrong with the first hunk of the patch (arm_movt) ? > Nothing really. I missed that bit. I think in practice the compiler will never end up matching that pattern

[Bug target/45726] Thumb2 instruction emitted for incompatible CPU

--- Comment #15 from rearnsha at gcc dot gnu dot org 2010-09-20 16:22 --- Subject: Bug 45726 Author: rearnsha Date: Mon Sep 20 16:21:57 2010 New Revision: 164441 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=164441 Log: 2010-09-20 Rafael Carre PR target/45726

[Bug fortran/45438] [4.6 Regression] [OOP] ICE with -fcheck=pointer

--- Comment #3 from janus at gcc dot gnu dot org 2010-09-20 16:29 --- Here is a reduced test case: module base_mat_mod type :: base_sparse_mat contains procedure :: get_fmt end type contains function get_fmt(a) result(res) implicit none class(base_sparse_mat),

[Bug target/45726] Thumb2 instruction emitted for incompatible CPU

--- Comment #16 from mikpe at it dot uu dot se 2010-09-20 16:37 --- FWIW, exposed on trunk by r160462 (PR44423 fix), backported to 4.5 in r160775. But clearly the issue was latent since the movt patterns were added. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45726

[Bug debug/45124] No DW_AT_accessibility for public DIEs in DW_TAG_class_type

--- Comment #3 from jakub at gcc dot gnu dot org 2010-09-20 16:48 --- Subject: Bug 45124 Author: jakub Date: Mon Sep 20 16:48:29 2010 New Revision: 164442 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=164442 Log: PR debug/45124 * dwarf2out.c (add_accessibility_a

[Bug debug/45124] No DW_AT_accessibility for public DIEs in DW_TAG_class_type

--- Comment #4 from jakub at gcc dot gnu dot org 2010-09-20 16:51 --- Fixed. -- jakub at gcc dot gnu dot org changed: What|Removed |Added Status|ASSIGNED

[Bug middle-end/21018] Initializing string literal data improperly marked frame-relative?, should be readonly static const.

--- Comment #10 from eric dot weddington at atmel dot com 2010-09-20 16:51 --- Closed as WONTFIX. -- eric dot weddington at atmel dot com changed: What|Removed |Added

[Bug lto/45702] [4.6 Regression] New LTO test failures

--- Comment #13 from hjl dot tools at gmail dot com 2010-09-20 16:56 --- Here is the deal: 1. The linker default search paths are /lib, /usr/lib. 2. "ld -r" disables the linker default search paths. 3. Gcc always passes -Lmulti-lib-dir to ld when multi-lib is enabled. On Linux/ia32,

[Bug lto/45702] [4.6 Regression] New LTO test failures

--- Comment #14 from hjl dot tools at gmail dot com 2010-09-20 17:10 --- One solution is always pass -L to linker even if the directory is known to linker. Gcc always does that for multi-lib. This will make gcc more consistent. It may also allow using system linker with native sysroot

[Bug target/43876] [avr] Improper updating of struct members when written out of order from struct definition

--- Comment #4 from eric dot weddington at atmel dot com 2010-09-20 17:14 --- AFAIK, fixed in the latest xmega patch, which is still not upstream. -- eric dot weddington at atmel dot com changed: What|Removed |Added ---

[Bug libstdc++/41975] [C++0x] [DR579] unordered_set::erase performs worse when nearly empty

--- Comment #27 from paolo dot carlini at oracle dot com 2010-09-20 17:23 --- Unless somebody posts here over the next two/three days or so *concrete* ideas of a different sort, I'm going to simply work on a doubly linked list solution, along the lines of the section "iterator" here: ht

[Bug libstdc++/45711] Building with "--enable-libstdcxx-debug" fails during install

--- Comment #9 from paolo dot carlini at oracle dot com 2010-09-20 17:28 --- Ian, I suppose the cited by Andrew it's you: any more constructive tip? -- paolo dot carlini at oracle dot com changed: What|Removed |Added -

[Bug libstdc++/45711] Building with "--enable-libstdcxx-debug" fails during install

--- Comment #10 from rwild at gcc dot gnu dot org 2010-09-20 17:31 --- (In reply to comment #9) > Ian, I suppose the cited by Andrew it's you: any more constructive tip? Come on, allow hobbyist helpers a day or two to fix a years-old issue, please. Thanks. -- rwild at gcc dot gnu

[Bug libstdc++/41975] [C++0x] [DR579] unordered_set::erase performs worse when nearly empty

--- Comment #28 from joaquin at tid dot es 2010-09-20 17:34 --- > US 113, ES 2, US 118 / Issue 579 have been closed as NAD, thus > let's figure out how best obtain O(1) in our implementation... Do you have a rationale for the closing of this NB comments? N3133 shows 579 unchanged. I was

[Bug libstdc++/45711] Building with "--enable-libstdcxx-debug" fails during install

--- Comment #11 from paolo dot carlini at oracle dot com 2010-09-20 17:35 --- I understand that some such hobbyists have a rather serious paid work ;) -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45711

[Bug fortran/45438] [4.6 Regression] [OOP] ICE with -fcheck=pointer

--- Comment #4 from janus at gcc dot gnu dot org 2010-09-20 17:41 --- Mine (have a patch). -- janus at gcc dot gnu dot org changed: What|Removed |Added AssignedTo

[Bug libstdc++/41975] [C++0x] [DR579] unordered_set::erase performs worse when nearly empty

--- Comment #29 from paolo dot carlini at oracle dot com 2010-09-20 17:41 --- I'm not aware of any singly linked list implementation, to be honest. I know that Dinkumware already uses doubly, and, if I'm not wrong, Howard just moved to it. I'll send you privately the rationale I have fr

[Bug objc/45735] New: ICE in objc_add_method, at objc/objc-act.c:6941

seen in 4.3, 4.4, 4.5, 4.6, didn't find an existing report: $ gcc -c Fraction.m Fraction.m:9:29: error: expected identifier before ':' token Fraction.m:9:29: internal compiler error: tree check: expected tree that contains 'decl minimal' structure, have 'error_mark' in objc_add_method, at objc/obj

[Bug rtl-optimization/45352] ICE: in reset_sched_cycles_in_current_ebb, at sel-sched.c:7058

--- Comment #3 from zsojka at seznam dot cz 2010-09-20 18:00 --- Created an attachment (id=21849) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=21849&action=view) another testcase that doesn't need many flags to reproduce $ gcc -fselective-scheduling2 -fsel-sched-pipelining -funro

[Bug c/43082] ICE in tree check: expected class 'type', have 'exceptional' (error_mark) in useless_type_conversion_p

--- Comment #7 from doko at ubuntu dot com 2010-09-20 18:01 --- trunk 20100918 fails with: gcc -g -O0 -c foo.c foo.c: In function 'main': foo.c:4:5: error: void value not ignored as it ought to be foo.c:4:5: error: void value not ignored as it ought to be foo.c:4:7: internal compiler er

[Bug tree-optimization/45572] [4.6 Regression] various ICEs with -finline-small-functions -findirect-inlining -finline-functions

--- Comment #4 from jamborm at gcc dot gnu dot org 2010-09-20 18:51 --- Mine -- jamborm at gcc dot gnu dot org changed: What|Removed |Added AssignedTo|unassigned

[Bug fortran/45081] [4.3/4.4/4.5/4.6 Regression] ICE in gfc_conv_array_initializer, at fortran/trans-array.c:4208

--- Comment #11 from pault at gcc dot gnu dot org 2010-09-20 18:55 --- Subject: Bug 45081 Author: pault Date: Mon Sep 20 18:55:12 2010 New Revision: 164448 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=164448 Log: 2010-09-20 Paul Thomas PR fortran/45081 * si

[Bug libstdc++/45711] Building with "--enable-libstdcxx-debug" fails during install

--- Comment #12 from rwild at gcc dot gnu dot org 2010-09-20 19:23 --- Please try the patch at . Thanks. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45711

[Bug libstdc++/45711] Building with "--enable-libstdcxx-debug" fails during install

--- Comment #13 from rwild at gcc dot gnu dot org 2010-09-20 19:33 --- Subject: Bug 45711 Author: rwild Date: Mon Sep 20 19:33:12 2010 New Revision: 164451 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=164451 Log: Fix PR libstdc++/45711. libstdc++-v3/: PR libstdc++/457

[Bug lto/45736] New: [4.6 Regression] ICE: in cgraph_remove_unreachable_nodes, at ipa.c:245 with -flto and attribute((constructor))

Compiler output: $ gcc -r -nostdlib -O -flto testcase.c lto1: internal compiler error: in cgraph_remove_unreachable_nodes, at ipa.c:245 Please submit a full bug report, with preprocessed source if appropriate. See for instructions. lto-wrapper: /mnt/svn/gcc-trunk/bina

[Bug lto/45736] [4.6 Regression] ICE: in cgraph_remove_unreachable_nodes, at ipa.c:245 with -flto and attribute((constructor))

--- Comment #1 from zsojka at seznam dot cz 2010-09-20 19:46 --- Created an attachment (id=21850) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=21850&action=view) reduced testcase $ gcc -r -nostdlib -O -flto pr45736.c -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45736

[Bug tree-optimization/45733] [4.6 Regression] ICE: verify_stmts failed: invalid conversion in gimple call with -fstrict-overflow -ftree-vectorize

--- Comment #5 from hjl dot tools at gmail dot com 2010-09-20 19:50 --- (In reply to comment #2) > Looks like it is caused by revision 164367: > > http://gcc.gnu.org/ml/gcc-cvs/2010-09/msg00661.html > Revision 164367 is the cause. Revision 164367 also caused PR 45720. Don't know if th

[Bug target/43746] -fmerge-constants and -fmerge-all-constants don't work at AVR target

--- Comment #3 from eric dot weddington at atmel dot com 2010-09-20 19:53 --- Reopening this enhancement request. Bug #21018, which this was marked a duplicate of, is now marked as WONTFIX. -- eric dot weddington at atmel dot com changed: What|Removed

[Bug fortran/45648] [4.6 regression] Unnecessary temporary for transpose calls as actual argument.

--- Comment #3 from pthaugen at gcc dot gnu dot org 2010-09-20 20:00 --- As Steven mentioned in the mailing list, this did introduce a degradation for cpu2000 benchmark galgel. I'm seeing about -10% on PowerPC. -- pthaugen at gcc dot gnu dot org changed: What|Removed

[Bug middle-end/45234] [4.4/4.5/4.6 Regression] ICE in expand_call, at calls.c:2845 when passing aligned function argument from unaligned stack after alloca

--- Comment #19 from hjl at gcc dot gnu dot org 2010-09-20 20:32 --- Subject: Bug 45234 Author: hjl Date: Mon Sep 20 20:32:41 2010 New Revision: 164453 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=164453 Log: Make sure that all variable sized adjustments are multiple of prefer

[Bug rtl-optimization/45678] [4.4/4.5 Regression] crash on vector code with -m32 -msse

--- Comment #28 from jakub at gcc dot gnu dot org 2010-09-20 20:37 --- Subject: Bug 45678 Author: jakub Date: Mon Sep 20 20:37:10 2010 New Revision: 164454 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=164454 Log: PR middle-end/45678 * cfgexpand.c (expand_one_st

[Bug middle-end/45234] [4.4/4.5/4.6 Regression] ICE in expand_call, at calls.c:2845 when passing aligned function argument from unaligned stack after alloca

--- Comment #20 from hjl at gcc dot gnu dot org 2010-09-20 20:39 --- Subject: Bug 45234 Author: hjl Date: Mon Sep 20 20:39:18 2010 New Revision: 164455 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=164455 Log: Make sure that all variable sized adjustments are multiple of prefer

[Bug middle-end/45234] [4.4/4.5/4.6 Regression] ICE in expand_call, at calls.c:2845 when passing aligned function argument from unaligned stack after alloca

--- Comment #21 from hjl dot tools at gmail dot com 2010-09-20 20:40 --- Fixed. -- hjl dot tools at gmail dot com changed: What|Removed |Added Status|NEW

[Bug rtl-optimization/45728] ICE: in gen_lowpart_general, at rtlhooks.c:59 at -O1 when comparing union members

--- Comment #4 from jakub at gcc dot gnu dot org 2010-09-20 20:41 --- Subject: Bug 45728 Author: jakub Date: Mon Sep 20 20:41:08 2010 New Revision: 164456 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=164456 Log: PR rtl-optimization/45728 * expr.c (expand_expr_r

[Bug fortran/45648] [4.6 regression] Unnecessary temporary for transpose calls as actual argument.

--- Comment #4 from pthaugen at gcc dot gnu dot org 2010-09-20 20:45 --- (In reply to comment #2) > Created an attachment (id=21777) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=21777&action=view) [edit] > patch restoring the previous behaviour. > Applying this patch restored

[Bug fortran/45081] [4.3/4.4/4.5/4.6 Regression] ICE in gfc_conv_array_initializer, at fortran/trans-array.c:4208

--- Comment #12 from pault at gcc dot gnu dot org 2010-09-20 21:23 --- Subject: Bug 45081 Author: pault Date: Mon Sep 20 21:23:38 2010 New Revision: 164457 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=164457 Log: 2010-09-20 Paul Thomas PR fortran/45081 * si

[Bug middle-end/45712] [4.6 Regression] Segmentation violation when compiling spec source on either x86 or ppc with debugging

--- Comment #4 from meissner at gcc dot gnu dot org 2010-09-20 21:26 --- FWIW, updating the source to subversion id 164441 seems to mask the failure on the powerpc, but the x86 still segfaults. I suspect that the bug is not actually fixed, but just doesn't show up at the current time o

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