[Bug c/70967] New: doc: Please document rotate idiom

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70967 Bug ID: 70967 Summary: doc: Please document rotate idiom Product: gcc Version: unknown Status: UNCONFIRMED Severity: enhancement Priority: P3 Component: c

[Bug other/70968] New: Missed case for -Wmisleading-indentation

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70968 Bug ID: 70968 Summary: Missed case for -Wmisleading-indentation Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: other

[Bug bootstrap/70896] gcc4 ABI compatible bootstrap fails

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70896 --- Comment #6 from PeteVine --- Building with -mfpu=neon has duly helped. The fpu configure option is probably not relevant here (simply setting the default for emitted code) but rather the CFLAGS used for compiling these intrinsics.

[Bug tree-optimization/69848] poor vectorization of a loop from SPEC2006 464.h264ref

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69848 --- Comment #6 from Jim Wilson --- Testing the vcond_mask* patch with make check gave 6 regressions for both armhf and aarch64. FAIL: gcc.dg/vect/pr65947-10.c (internal compiler error) FAIL: gcc.dg/vect/pr65947-10.c (test for excess errors)

[Bug middle-end/70795] [7 Regression] gcc/libjava/interpret.cc:1948:1: ICE: in binds_to_current_def_p, at symtab.c:2232

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70795 --- Comment #1 from John David Anglin --- Created attachment 38423 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38423=edit Preprocessed source /test/gnu/gcc/objdir/./gcc/cc1plus -fpreprocessed interpret.ii -quiet -dumpbase interpret.cc

[Bug target/70873] [7 Regressio] 20% performance regression at 482.sphinx3 after r235442 with -O2 -m32 on Haswell.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70873 --- Comment #30 from uros at gcc dot gnu.org --- Author: uros Date: Thu May 5 22:48:29 2016 New Revision: 235936 URL: https://gcc.gnu.org/viewcvs?rev=235936=gcc=rev Log: PR target/70873 * config/i386/i386-protos.h

[Bug c++/70965] ice in useless_type_conversion_p

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70965 Marek Polacek changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug lto/70955] [6/7 Regression] Wrong code generation for __builtin_ms_va_list with -flto

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70955 --- Comment #6 from zenith432 at users dot sourceforge.net --- (In reply to H.J. Lu from comment #5) > This may be related to PR 50818. PR 50818 has morphed into a feature request that the canonical __builtin_va_{list,start,end,copy} builtins

[Bug middle-end/32003] Undocumened -fdump-tree options

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=32003 Martin Sebor changed: What|Removed |Added Last reconfirmed|2012-01-28 00:00:00 |2016-5-5 CC|

[Bug middle-end/32003] Undocumened -fdump-tree options

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=32003 --- Comment #4 from Martin Sebor --- With most of the documentation for each option consisting of "the file name is made by appending .xxx to the source file name" I agree that in its current form and state of completion the documentation isn't

[Bug c++/70965] New: ice in useless_type_conversion_p

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70965 Bug ID: 70965 Summary: ice in useless_type_conversion_p Product: gcc Version: 7.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++

[Bug middle-end/32003] Undocumened -fdump-tree options

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=32003 Marek Polacek changed: What|Removed |Added CC||mpolacek at gcc dot gnu.org --- Comment

[Bug lto/70955] [6/7 Regression] Wrong code generation for __builtin_ms_va_list with -flto

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70955 Dominique d'Humieres changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug middle-end/70960] New: [7.0 Regression] ICE: tree check: expected ssa_name, have integer_cst in ifcvt_walk_pattern_tree, at tree-if-conv.c:2465

bootstrap Thread model: posix gcc version 7.0.0 20160505 (experimental) [trunk revision 235918] (GCC)

[Bug c/70954] -Wmisleading-indentation false positive on GNU "ed"

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70954 Marek Polacek changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug middle-end/70960] [7 Regression] ICE: tree check: expected ssa_name, have integer_cst in ifcvt_walk_pattern_tree, at tree-if-conv.c:2465

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70960 Dominique d'Humieres changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug target/70955] regression in code generation for __builtin_ms_va_list in GCC 6.1

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70955 zenith432 at users dot sourceforge.net changed: What|Removed |Added Component|c |target ---

[Bug c++/70810] std::function template variadic template arguments do not unpack in function template

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70810 --- Comment #5 from Jonathan Wakely --- Here is a simplified version of your code which gives an error using GCC, Clang and Intel icc: template T declval(); template struct function { template()(declval()...))> function(F) { }

[Bug c/70955] regression in code generation for __builtin_ms_va_list in GCC 6.1

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70955 --- Comment #1 from zenith432 at users dot sourceforge.net --- Created attachment 38416 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38416=edit va_main.c

[Bug c/70955] regression in code generation for __builtin_ms_va_list in GCC 6.1

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70955 --- Comment #2 from zenith432 at users dot sourceforge.net --- Created attachment 38417 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38417=edit va_test.c

[Bug c++/70810] std::function template variadic template arguments do not unpack in function template

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70810 Jonathan Wakely changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug libstdc++/53984] iostream operation throwing exception when exceptions not enabled

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53984 --- Comment #5 from Roger Orr --- Still fails with gcc 6.1 Are there any plans on how (and when) to fix this, fairly serious, fault?

[Bug fortran/70959] [6/7 Regression] Invalid type determination due to expression in a type declaration statement

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70959 Dominique d'Humieres changed: What|Removed |Added Priority|P3 |P4

[Bug tree-optimization/70956] ICE in build_cross_bb_scalars_def, at graphite-scop-detection.c:1725

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70956 vries at gcc dot gnu.org changed: What|Removed |Added Priority|P3 |P4 --- Comment #1 from vries

[Bug other/70517] c++filt crashes when demangling a symbol

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70517 blastrock at free dot fr changed: What|Removed |Added Attachment #38165|0 |1 is obsolete|

[Bug tree-optimization/63586] x+x+x+x -> 4*x in gimple

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63586 kugan at gcc dot gnu.org changed: What|Removed |Added CC||zboson at zboson dot net ---

[Bug tree-optimization/68105] optimizing repeated floating point addition to multiplication

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68105 kugan at gcc dot gnu.org changed: What|Removed |Added Status|NEW |RESOLVED CC|

[Bug rtl-optimization/70961] New: Regrename ignores preferred_rename_class

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70961 Bug ID: 70961 Summary: Regrename ignores preferred_rename_class Product: gcc Version: 7.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component:

[Bug c++/70962] New: optimization not working in Red Hat 5.7 after glibc patching

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70962 Bug ID: 70962 Summary: optimization not working in Red Hat 5.7 after glibc patching Product: gcc Version: 4.1.2 Status: UNCONFIRMED Severity: major

[Bug target/70873] [7 Regressio] 20% performance regression at 482.sphinx3 after r235442 with -O2 -m32 on Haswell.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70873 --- Comment #29 from Uroš Bizjak --- Created attachment 38419 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38419=edit Patch to fix problematic splitters I'm testing the attached patch that introduces ix86_standard_x87sse_constant_load_p

[Bug bootstrap/70896] gcc4 ABI compatible bootstrap fails

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70896 Ramana Radhakrishnan changed: What|Removed |Added CC||ramana at gcc dot gnu.org ---

[Bug tree-optimization/70956] ICE in build_cross_bb_scalars_def, at graphite-scop-detection.c:1725

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70956 --- Comment #2 from Sebastian Pop --- The change looks good to me.

[Bug lto/70955] [6/7 Regression] Wrong code generation for __builtin_ms_va_list with -flto

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70955 H.J. Lu changed: What|Removed |Added CC||hjl.tools at gmail dot com --- Comment #5

[Bug c++/70962] optimization not working in Red Hat 5.7 after glibc patching

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70962 Markus Trippelsdorf changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED CC|

[Bug tree-optimization/68105] optimizing repeated floating point addition to multiplication

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68105 --- Comment #3 from Marc Glisse --- (In reply to zboson from comment #0) > In addition, the following equations are always true even without > associative math. > > 2*a = a + a > 3*a = a + a + a > 4*a = a + a + a + a > 5*a = a +

[Bug target/70963] New: vec_cts/vec_ctf intrinsics produce wrong results for 64-bit floating point

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70963 Bug ID: 70963 Summary: vec_cts/vec_ctf intrinsics produce wrong results for 64-bit floating point Product: gcc Version: 5.3.1 Status: UNCONFIRMED Keywords:

[Bug sanitizer/70875] ICE in get_ubsan_type_info_for_type with -fsanitize=undefined

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70875 --- Comment #2 from Marek Polacek --- Seems like an overzealous assert: diff --git a/gcc/ubsan.c b/gcc/ubsan.c index 802341e..080f798 100644 --- a/gcc/ubsan.c +++ b/gcc/ubsan.c @@ -302,11 +302,14 @@ ubsan_source_location (location_t loc)

[Bug rtl-optimization/70961] Regrename ignores preferred_rename_class

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70961 --- Comment #2 from Eric Botcazou --- > The super_class has nothing to do with the class that is searched for > renaming registers though, it's just the info passed to the back-end to > compute this class. For example, on the ARM, the

[Bug rtl-optimization/70961] Regrename ignores preferred_rename_class

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70961 Eric Botcazou changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug sanitizer/70875] ICE in get_ubsan_type_info_for_type with -fsanitize=undefined

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70875 --- Comment #3 from Jakub Jelinek --- tree_to_uhwi already contains the tree_fits_uhwi_p assert, so there is no reason to duplicate that.

[Bug libstdc++/70966] New: new_delete_resource() has deinit lifetime issues.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70966 Bug ID: 70966 Summary: new_delete_resource() has deinit lifetime issues. Product: gcc Version: 6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component:

[Bug libfortran/70684] [4.9/5/6/7 Regression] incorrect reading of values from file on Windows

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70684 --- Comment #18 from Jerry DeLisle --- Author: jvdelisle Date: Fri May 6 01:18:59 2016 New Revision: 235941 URL: https://gcc.gnu.org/viewcvs?rev=235941=gcc=rev Log: 2016-05-05 Jerry DeLisle Backport from

[Bug tree-optimization/70970] Misaligned SSE with auto-vectorization

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70970 --- Comment #2 from Rodrigo --- Just noticed a dumb mistake in the parameter order of memalign (_aligned_malloc is (size, alignment); memalign is (alignment, size)) but the problem persists. Also forgot that I had to use -march=native under

[Bug bootstrap/70969] New: power64le ada bootstrap failure: s-unstyp.ads:40:15: violation of No_Elaboration_Code_All at line 42

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70969 Bug ID: 70969 Summary: power64le ada bootstrap failure: s-unstyp.ads:40:15: violation of No_Elaboration_Code_All at line 42 Product: gcc Version: 7.0 Status: UNCONFIRMED

[Bug tree-optimization/70970] New: Misaligned SSE with auto-vectorization

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70970 Bug ID: 70970 Summary: Misaligned SSE with auto-vectorization Product: gcc Version: 5.3.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component:

[Bug tree-optimization/70970] Misaligned SSE with auto-vectorization

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70970 Rodrigo changed: What|Removed |Added Attachment #38424|0 |1 is obsolete|

[Bug tree-optimization/70964] New: [7 Regression] internal compiler error: in single_succ_edge, at basic-block.h:351

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70964 Bug ID: 70964 Summary: [7 Regression] internal compiler error: in single_succ_edge, at basic-block.h:351 Product: gcc Version: 7.0 Status: UNCONFIRMED

[Bug tree-optimization/70964] [7 Regression] internal compiler error: in single_succ_edge, at basic-block.h:351

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70964 ktkachov at gcc dot gnu.org changed: What|Removed |Added Known to work||6.1.0 Target

[Bug tree-optimization/57206] Auto-vectorization fails when array index is an unsigned int expression

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57206 --- Comment #5 from amker at gcc dot gnu.org --- Author: amker Date: Thu May 5 16:20:54 2016 New Revision: 235926 URL: https://gcc.gnu.org/viewcvs?rev=235926=gcc=rev Log: gcc/testsuite PR tree-optimization/57206 *

[Bug c++/70971] New: ICE in parameter pack expansion

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70971 Bug ID: 70971 Summary: ICE in parameter pack expansion Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++

[Bug target/5360] [SH] Useless address inc-dec sequence for DFmode access

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=5360 --- Comment #6 from Oleg Endo --- When compiling the following test with -m2a -mb -O2 double test (void) { return 123.123; } we get mova.L2,r0 fmov.s @r0+,fr0 fmov.s @r0,fr1 rts add #-4,r0

[Bug c++/16106] Poor error message

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=16106 Martin Sebor changed: What|Removed |Added Status|NEW |RESOLVED CC|