[Bug target/29776] result of ffs/clz/ctz/popcount/parity are already sign-extended

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29776 --- Comment #17 from Jakub Jelinek --- Unfortunately looking at longlong.h, the header on some targets uses __builtin_clz* or __builtin_ctz* even with defining COUNT_LEADING_ZEROS_0 to some value (e.g. on alpha, arm, avr, coldfire, mips). libgcc i

[Bug target/29776] result of ffs/clz/ctz/popcount/parity are already sign-extended

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29776 --- Comment #18 from Jakub Jelinek --- Or yet another option is just to always use [0, prec] VR for CLZ (and lower it for defined range, as the patch does right now), i.e. for CLZ change maxi = prec - 1; to maxi = prec; and drop if (maxi == prec)

[Bug target/29776] result of ffs/clz/ctz/popcount/parity are already sign-extended

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29776 --- Comment #19 from Jakub Jelinek --- Also, perhaps expand_builtin_unop for the int bitops builtin (ffs/parity/popcount/clz/ctz/clrsb) optabs, if target returned by expand_unop is wider than target_mode, perhaps we could set SUBREG_PROMOTED_VAR_P

[Bug c++/53356] [4.7/4.8 Regression] ICE in verify_gimple_stmt, at tree-cfg.c:4258

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53356 --- Comment #13 from tormen --- Small update: The problem for me was seemingly caused by the fact that I was compiling on a tmpfs RAM disk. When I moved the compilation to a fixed disk, the below error vanished. Maybe that can be of help to som

[Bug debug/57828] New: linker error: undefined reference to '.LLSTxxx'

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57828 Bug ID: 57828 Summary: linker error: undefined reference to '.LLSTxxx' Product: gcc Version: 4.7.3 Status: UNCONFIRMED Severity: normal Priority: P3 Component: de

[Bug c++/57827] compiler segmentation fault

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57827 Paolo Carlini changed: What|Removed |Added Blocks||55004 --- Comment #1 from Paolo Carlini

[Bug c++/57827] compiler segmentation fault

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57827 Paolo Carlini changed: What|Removed |Added CC||daniel.kruegler@googlemail.

[Bug libstdc++/57779] vector insert fails to diagnose iterators pointing into *this in debug mode

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57779 --- Comment #3 from Paolo Carlini --- Even if our implementation doesn't misbehave in those cases, a DEBUG_PEDASSERT could be in order (like we do in, eg, basic_string::operator[])

[Bug gcov-profile/53414] gcov does not generate 'Lines' record for final block of functions

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53414 roodh changed: What|Removed |Added CC||siddharoodh.d at gmail dot com --- Comment #2 fro

[Bug c++/57645] [4.8/4.9 Regression] Explicitly-declared destructor with no exception specification is always noexcept(true)

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57645 Paolo Carlini changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug preprocessor/57757] CPP extra inserted whitespace needs to be reviewed for C++11 user-defined literals

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57757 Jakub Jelinek changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug libitm/56801] Internal Compiler Error when compiling relaxed transaction

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56801 --- Comment #2 from Patrick Marlier --- This seems to be solved in 4.7.3 (I cannot reproduce). Mike, do you confirm that?

[Bug tree-optimization/57829] New: Wrong constant folding

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57829 Bug ID: 57829 Summary: Wrong constant folding Product: gcc Version: 4.9.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization

[Bug tree-optimization/57830] New: fold_builtin_memory_op expands memcpy without regard to -Os

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57830 Bug ID: 57830 Summary: fold_builtin_memory_op expands memcpy without regard to -Os Product: gcc Version: 4.8.0 Status: UNCONFIRMED Severity: normal Pri

[Bug tree-optimization/57829] Wrong constant folding

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57829 Mikael Pettersson changed: What|Removed |Added CC||mikpe at it dot uu.se --- Comment #1

[Bug tree-optimization/57748] ICE on ARM with -mfloat-abi=softfp -mfpu=neo

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57748 Ramana Radhakrishnan changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug target/57796] AVX2 gather vectorization: code bloat and reduction of performance

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57796 Yuri Rumyantsev changed: What|Removed |Added CC||ysrumyan at gmail dot com --- Comment #

[Bug c++/51253] [C++11][DR 1030] Evaluation order (sequenced-before relation) among initializer-clauses in braced-init-list

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51253 Akim Demaille changed: What|Removed |Added CC||akim.demaille at gmail dot com --- Commen

[Bug target/57796] AVX2 gather vectorization: code bloat and reduction of performance

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57796 --- Comment #3 from Jakub Jelinek --- By tuning I've meant the vectorizer cost model. If the desirability of gathers vs. no vectorization at all doesn't depend only on the insns in the loop, but also on how many iterations the loop has, then perh

[Bug rtl-optimization/57829] Wrong constant folding

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57829 Marc Glisse changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug target/57655] [4.8/4.9 Regression] ICE: in create_pre_exit, at mode-switching.c:418 with -mno-fp-ret-in-387 -mvzeroupper -mxop and __builtin_ilogbl()

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57655 Uroš Bizjak changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug target/57796] AVX2 gather vectorization: code bloat and reduction of performance

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57796 --- Comment #4 from Yuri Rumyantsev --- (In reply to Jakub Jelinek from comment #3) > By tuning I've meant the vectorizer cost model. If the desirability of > gathers vs. no vectorization at all doesn't depend only on the insns in the > loop, but

[Bug lto/57776] [4.9 Regression] FAIL: gcc.dg/lto/pr56297 c_lto_pr56297_0.o-c_lto_pr56297_1.o link, -flto -fno-common (internal compiler error)

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57776 Rainer Orth changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug rtl-optimization/57829] Wrong constant folding

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57829 Jakub Jelinek changed: What|Removed |Added CC||jakub at gcc dot gnu.org Target Milesto

[Bug rtl-optimization/57829] Wrong constant folding

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57829 Jakub Jelinek changed: What|Removed |Added Status|NEW |ASSIGNED Assignee|unassigned at

[Bug c++/51253] [C++11][DR 1030] Evaluation order (sequenced-before relation) among initializer-clauses in braced-init-list

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51253 Paolo Carlini changed: What|Removed |Added Priority|P3 |P2

[Bug middle-end/57748] [4.8/4.9 Regression] ICE on ARM with -mfloat-abi=softfp -mfpu=neon

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57748 Andrew Pinski changed: What|Removed |Added Component|tree-optimization |middle-end Target Milestone|---

[Bug target/57830] fold_builtin_memory_op expands memcpy without regard to -Os

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57830 Andrew Pinski changed: What|Removed |Added Component|tree-optimization |target --- Comment #1 from Andrew Pinski

[Bug target/57830] fold_builtin_memory_op expands memcpy without regard to -Os

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57830 --- Comment #2 from Jorn Wolfgang Rennecke --- Created attachment 30464 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30464&action=edit strlenopt-10.c optimized dump file from -Os compilation This is expanded not into a single, but multiple

[Bug c++/14263] Cryptic diagnostic for cast from virtual base class not using dynamic_cast

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14263 Paolo Carlini changed: What|Removed |Added Status|NEW |RESOLVED CC|gcc-bugs at g

[Bug c/57773] -Wpedantic incorrect warning for enum bit-field

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57773 Marek Polacek changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug c++/57831] New: pointer to member function inaccessible through using statement (or ICE)

(this->*&B::f)(); -- $ g++-4.9 -v Using built-in specs. COLLECT_GCC=g++-4.9 COLLECT_LTO_WRAPPER=/usr/local/libexec/gcc/x86_64-unknown-linux-gnu/4.9.0/lto-wrapper Target: x86_64-unknown-linux-gnu Configured with: ../configure --prefix=/usr/local --program-suf

[Bug target/57830] fold_builtin_memory_op expands memcpy without regard to -Os

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57830 Jakub Jelinek changed: What|Removed |Added CC||jakub at gcc dot gnu.org --- Comment #3 f

[Bug c++/57831] [4.7/4.8/4.9 Regression] pointer to member function inaccessible through using statement (or ICE)

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57831 Paolo Carlini changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug c/57832] New: compiling sha-256 code (xz 5.0.5) generates false warnings when using -march=native on Atom CPU

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57832 Bug ID: 57832 Summary: compiling sha-256 code (xz 5.0.5) generates false warnings when using -march=native on Atom CPU Product: gcc Version: 4.8.1 Status: UNCONFIRMED

[Bug c/57832] compiling sha-256 code (xz 5.0.5) generates false warnings when using -march=native on Atom CPU

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57832 --- Comment #1 from Olivier Langlois --- Created attachment 30466 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30466&action=edit original c file very macro heavy loop unrolling sha-256 code hand optimized code (I have peaked into the resul

[Bug fortran/57833] New: MOVE_ALLOC's TO actual argument cannot be used in subsequent ALLOCATE statement

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57833 Bug ID: 57833 Summary: MOVE_ALLOC's TO actual argument cannot be used in subsequent ALLOCATE statement Product: gcc Version: 4.9.0 Status: UNCONFIRMED Severity:

[Bug fortran/57834] New: C_F_POINTER regression(-std): accepts only explicit- and assumed-size arrays for FPTR when SHAPE is present

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57834 Bug ID: 57834 Summary: C_F_POINTER regression(-std): accepts only explicit- and assumed-size arrays for FPTR when SHAPE is present Product: gcc Version: 4.9.0 Status: UNCO

[Bug fortran/57833] MOVE_ALLOC's TO actual argument cannot be used in subsequent ALLOCATE statement

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57833 Harald Anlauf changed: What|Removed |Added CC||anlauf at gmx dot de --- Comment #1 from

[Bug target/57807] Compile failure with __builtin_ia32_unpcklpd

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57807 Uroš Bizjak changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Last reconfirmed|

[Bug target/57807] Compile failure with __builtin_ia32_unpcklpd

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57807 --- Comment #2 from Uroš Bizjak --- jleahly, can you please test proposed patch with -masm=intel a bit?

[Bug c++/16093] Bad error messages for missing declarations.

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16093 Paolo Carlini changed: What|Removed |Added CC|gcc-bugs at gcc dot gnu.org|manu at gcc dot gnu.org --- Commen

[Bug c++/19448] Different value representation for bitfield width exceeding its type size.

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19448 Paolo Carlini changed: What|Removed |Added CC|gcc-bugs at gcc dot gnu.org| --- Comment #16 from Paolo Carlin

[Bug target/57807] Compile failure with __builtin_ia32_unpcklpd

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57807 --- Comment #3 from jleahy+gcc at gmail dot com --- I'll test this on Monday and get back to you.

[Bug debug/57835] New: variable tracking produces weird const

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57835 Bug ID: 57835 Summary: variable tracking produces weird const Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: debug

[Bug c++/16093] Bad error messages for missing declarations.

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16093 Manuel López-Ibáñez changed: What|Removed |Added Severity|normal |enhancement --- Comment #5 from Man

[Bug fortran/57834] [4.9 Regression] C_F_POINTER (only with -std=): accepts only explicit- and assumed-size arrays for FPTR when SHAPE is present

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57834 Tobias Burnus changed: What|Removed |Added Keywords||rejects-valid Status|UNCONFIR