public inbox for gcc-bugs@sourceware.org
help / color / mirror / Atom feed
[Bug middle-end/98709] New: gcc optimizes bitwise operations, but doesn't optimize logical ones
 2021-08-01 18:17 UTC  (2+ messages)
` [Bug tree-optimization/98709] "

[Bug tree-optimization/98236] New: x plus/minus y cmp 0 produces unoptimal code
 2021-08-01 18:14 UTC  (2+ messages)
` [Bug middle-end/98236] "

[Bug rtl-optimization/56719] New: missed optimization: i > 0xffff || i*4 > 0xffff
 2021-08-01 18:12 UTC  (4+ messages)
` [Bug middle-end/56719] "
` [Bug tree-optimization/56719] "

[Bug middle-end/94651] New: Missed peephole optimization: m >= POWER_OF_TWO || n >= POWER_OF_TWO
 2021-08-01 18:10 UTC  (2+ messages)
` [Bug tree-optimization/94651] "

[Bug middle-end/91869] Constant bitfield assignment causes unnecessary use of memory and instructions
 2021-08-01 17:58 UTC 

[Bug target/101716] New: lea does not have a zero_extend version of it
 2021-08-01 17:52 UTC 

[Bug c++/101715] New: compiler ice when uses a GCC cross compiler to canadian compile LLVM libc++
 2021-08-01 17:44 UTC  (2+ messages)
` [Bug c++/101715] "

[Bug tree-optimization/91881] Value range knowledge of higher bits not used in optimizations
 2021-08-01 17:37 UTC 

[Bug middle-end/92282] gimple for (a + ~b) is harder to optimize in RTL when types are unsigned
 2021-08-01 17:24 UTC 

[Bug middle-end/90773] Improve piecewise operation
 2021-08-01 17:20 UTC  (2+ messages)

[Bug target/89252] Vector load/store aren't used to initialize large memory
 2021-08-01 17:20 UTC  (2+ messages)

[Bug tree-optimization/92408] strlen(s) != 0 not folded into *s
 2021-08-01 17:18 UTC 

[Bug tree-optimization/82885] memcpy does not propagate aliasing knowledge
 2021-08-01 17:07 UTC 

[Bug fortran/99368] New: ICE in build_function_decl, at fortran/trans-decl.c:2381
 2021-08-01 17:04 UTC  (2+ messages)
` [Bug fortran/99368] "

[Bug target/101714] New: [POWER] vec_min / vec_max handles NaN incorrectly when evaluated at compile time
 2021-08-01 13:18 UTC 

[Bug middle-end/82940] Suboptimal code for (a & 0x7f) | (b & 0x80) on powerpc
 2021-08-01  9:57 UTC  (2+ messages)

[Bug c++/101710] New: Sometimes constexpr cannot be used as constexpr
 2021-08-01  8:59 UTC  (9+ messages)
` [Bug c++/101710] "

[Bug fortran/101660] New: FAIL: gfortran.dg/bind_c_array_params_3.f90
 2021-08-01  8:22 UTC  (3+ messages)
` [Bug fortran/101660] [12 Regression] "

[Bug testsuite/101678] New: [12 regression] many fortran errors afterr r12-2553
 2021-08-01  8:22 UTC  (2+ messages)
` [Bug testsuite/101678] "

[Bug ipa/86140] constprop clones with identical bodies
 2021-08-01  8:19 UTC 

[Bug tree-optimization/85560] Missed optimization in niter analysis for bit-by-bit variable zeroing
 2021-08-01  8:13 UTC  (2+ messages)

[Bug tree-optimization/82905] vector shift forced to 32 bits
 2021-08-01  8:02 UTC 

[Bug d/101692] New: Program crushes at unpredictable moment of time
 2021-08-01  7:58 UTC  (8+ messages)
` [Bug d/101692] "
` [Bug d/101692] Referenses in Slist are not counted by GC

[Bug tree-optimization/79355] poor code for AVX vector compare
 2021-08-01  7:45 UTC 

[Bug tree-optimization/36190] Investigate which tests need -fno-trapping-math
 2021-08-01  7:22 UTC 

[Bug analyzer/101713] New: -Wanalyzer-malloc-leak false positive with GNU coreutils hash table code
 2021-08-01  7:20 UTC 

[Bug middle-end/77779] unnecessary trap checks for pointer subtraction with -ftrapv
 2021-08-01  7:19 UTC 

[Bug c++/101712] New: Bad error message with reference to nested type
 2021-08-01  7:00 UTC 

[Bug other/101711] New: Error when gcc cross compile libvtv
 2021-08-01  6:45 UTC  (3+ messages)
` [Bug other/101711] "

[Bug c/47143] New: warning about const multidimensional array as function parameter
 2021-08-01  6:41 UTC  (2+ messages)
` [Bug c/47143] "

[Bug c/65455] typeof _Atomic fails
 2021-08-01  6:29 UTC 

[Bug libstdc++/101709] New: Yesterday's patch on std::filesystem breaks windows target
 2021-08-01  0:42 UTC  (2+ messages)
` [Bug libstdc++/101709] [12 Regression] "

[Bug rtl-optimization/101708] New: Suboptimal codegen when clearing struct fields
 2021-08-01  0:40 UTC  (3+ messages)
` [Bug tree-optimization/101708] "

[Bug c++/96496] New: Conversion to enum with underlying type bool produces wrong result
 2021-08-01  0:17 UTC  (2+ messages)
` [Bug c++/96496] "

[Bug c++/95004] New: Static array of base classes member pointers
 2021-08-01  0:11 UTC  (2+ messages)
` [Bug c++/95004] using the wrong pointer to member for base classes with two bases

[Bug c++/99804] New: cannot convert bit field enum to its own type in a template member function
 2021-07-31 23:25 UTC  (2+ messages)
` [Bug c++/99804] "

[Bug c++/87547] G++ reports bad type names for bit-field members
 2021-07-31 23:16 UTC 

[Bug c++/71586] type confusion when bitfields are accessed from templates
 2021-07-31 23:14 UTC 

[Bug c++/78908] [6/7 Regression] template instantiation with bit-field type
 2021-07-31 23:14 UTC  (2+ messages)

[Bug c++/16582] Wrong diagnostic when using "&a[1]" as template argument
 2021-07-31 23:13 UTC 

[Bug c++/49931] New: bug when use named operators
 2021-07-31 23:08 UTC  (2+ messages)
` [Bug c++/49931] valid code rejected (named operator)

[Bug c++/86825] g++.old-deja/g++.pt/ptrmem10.C test fails on windows targets
 2021-07-31 22:56 UTC 

[Bug c++/79832] [C++14/17] result of subscripting non lvalue array should be xvalue
 2021-07-31 22:49 UTC 

[Bug bootstrap/84257] Extremely slow compilation from gcc source code under macOS 10.13
 2021-07-31 22:42 UTC  (2+ messages)

[Bug c++/85415] internal compiler error: in finish_member_declaration, at cp/semantics.c:2984
 2021-07-31 22:32 UTC 

[Bug c++/79802] Conflicting declaration with function pointers/types
 2021-07-31 22:19 UTC 

[Bug tree-optimization/61245] New: ICE at in expand_ANNOTATE, at internal-fn.c:127 called from cfgexpand.c
 2021-07-31 22:07 UTC  (2+ messages)
` [Bug c++/61245] #pragma GCC ivdep is ignored with call inside the test of a for loop

[Bug c++/79047] loop annotation ignored in templated function
 2021-07-31 22:07 UTC 

[Bug c++/83796] [7 Regression] Abstract classes allowed to be instantiated when initialised as default parameter to function or constructor
 2021-07-31 22:06 UTC 

[Bug c++/70939] creating object of abstract class allowed in all versions of g++
 2021-07-31 22:06 UTC 

[Bug c++/61736] New: Conditional expression yields wrong value category
 2021-07-31 22:02 UTC  (2+ messages)
` [Bug c++/61736] "

[Bug c++/64372] New: Spurious warning with throw in ternary operator returning const reference
 2021-07-31 22:02 UTC  (2+ messages)
` [Bug c++/64372] [DR1560] Gratuitous lvalue-to-rvalue conversion in conditional-expression with throw-expression operand

[Bug c++/64519] New: variadic template as the first argument
 2021-07-31 21:59 UTC  (3+ messages)
` [Bug c++/64519] "

[Bug c++/77437] recipe for target 'cp/cp-array-notation.o' failed
 2021-07-31 21:44 UTC 

[Bug c++/70636] Link failure when C++ brace initialization is used
 2021-07-31 21:38 UTC 

[Bug c++/82336] [6 Regression] GCC requires but does not emit defaulted constructors in certain cases
 2021-07-31 21:38 UTC 

[Bug c++/65615] New: gcc says abstract class even though it isn't
 2021-07-31 21:30 UTC  (2+ messages)
` [Bug c++/65615] "

[Bug c++/53878] New: Abstract class constructors
 2021-07-31 21:30 UTC  (3+ messages)
` [Bug c++/53878] [C++11] "

[Bug c++/64615] Access level check error: g++ thinks the non default ctor is protected while its public
 2021-07-31 21:23 UTC  (2+ messages)

[Bug c++/67332] New: [C++11] g++ rejects expansion of multiple parameter packs
 2021-07-31 21:21 UTC  (2+ messages)
` [Bug c++/67332] "

[Bug c++/67397] New: GCC incorrectly accepts non-type template parameter pack expansion of a parameter pack declared in the same template-parameter-list
 2021-07-31 21:20 UTC  (3+ messages)
` [Bug c++/67397] "

[Bug target/101697] New: [11/12 regression] ICE compiling uClibc-ng for h8300-linux
 2021-07-31 21:09 UTC  (3+ messages)
` [Bug target/101697] "

[Bug c++/64587] New: [C++11] Wrong number of template arguments when template template parameter is template alias
 2021-07-31 21:03 UTC  (2+ messages)
` [Bug c++/64587] "

[Bug c++/54706] New: -fsyntax-only suppresses a compilation error
 2021-07-31 20:49 UTC  (2+ messages)
` [Bug c++/54706] "

[Bug c++/101707] New: deduction of template argument fails via base class
 2021-07-31 20:47 UTC 

[Bug c++/53566] New: void template parameters are accepted if they result from substitution
 2021-07-31 20:41 UTC  (2+ messages)
` [Bug c++/53566] "

[Bug c++/59389] New: [C++11] bogus error: call of overloaded ‘Foo(<brace-enclosed initializer list>)’ is ambiguous
 2021-07-31 20:37 UTC  (2+ messages)
` [Bug c++/59389] "

[Bug c++/59509] New: template function definition. redefinition error
 2021-07-31 20:34 UTC  (3+ messages)
` [Bug c++/59509] "

[Bug c++/93211] equivalence of dependent function calls doesn't check if the call is eligible for ADL
 2021-07-31 20:34 UTC 

[Bug c++/95009] New: decltype of increment or decrement bitfield expressions are wrong and causes assembler errors
 2021-07-31 20:21 UTC  (3+ messages)
` [Bug c++/95009] [9/10/11/12 Regression] "

[Bug ada/70867] [9/10/11/12 regression] access discriminant in return aggregate wrongly detected as dangling
 2021-07-31 20:11 UTC 

[Bug c++/82467] name mangling error when using constrained and specialized template functions
 2021-07-31 20:07 UTC 

[Bug c++/85292] multiple definitions of a default argument emitted
 2021-07-31 20:03 UTC 

[Bug c++/78943] Generated assembler fails with symbol is already defined
 2021-07-31 20:00 UTC 

[Bug tree-optimization/101706] New: bool0^bool1^1 -> bool0 == bool1
 2021-07-31 19:44 UTC 

[Bug c++/101704] New: "Already defined" error in case of many concept conversion operators
 2021-07-31 19:43 UTC  (2+ messages)
` [Bug c++/101704] "

[Bug c/101705] New: Missed optimization opportunity when copying lots of bitfields
 2021-07-31 19:35 UTC  (4+ messages)
` [Bug c/101705] "
` [Bug tree-optimization/101705] "

[Bug target/100182] New: [8/9/10/11/12 Regression] Miscompilation of atomic_float/1.cc on i686
 2021-07-31 19:24 UTC  (2+ messages)
` [Bug target/100182] [8/9/10/11/12 Regression] Miscompilation of atomic_float/1.cc and atomic_float/wait_notify.cc "

[Bug fortran/77693] ICE in rtl_for_decl_init, at dwarf2out.c:17378
 2021-07-31 19:14 UTC 

[Bug c++/96636] New: ICE in build_value_init_noctor, at cp/init.c:451
 2021-07-31 14:45 UTC  (3+ messages)
` [Bug c++/96636] "

[Bug target/97281] New: Mark- march=x86-64-v[234] binaries
 2021-07-31 13:13 UTC  (2+ messages)
` [Bug target/97281] Mark -march=x86-64-v[234] binaries

[Bug ada/97541] New: Ada failed to bootstrap: Error: file table slot 1 is already occupied by a different file
 2021-07-31 13:11 UTC  (2+ messages)
` [Bug ada/97541] "

[Bug target/99941] New: m_ALDERLAKE is missing from m_CORE_AVX2
 2021-07-31 13:09 UTC  (2+ messages)
` [Bug target/99941] "

Compilation of rust-demangle.c fails on MinGW
 2021-07-31 12:56 UTC 

[Bug ada/101667] New: GNAT bug detected in op1_range in range-op.cc during GIMPLE pass evrp
 2021-07-31 12:11 UTC  (2+ messages)
` [Bug tree-optimization/101667] "

[Bug c/94780] New: [9/10] internal compiler error: Segmentation fault
 2021-07-31 10:24 UTC  (4+ messages)
` [Bug target/94780] [8/9 Regression] ICE in walk_body at gcc/tree-nested.c:713 since r6-3632-gf6f69fb09c5f81df

[Bug middle-end/78103] Failure to optimize with __builtin_clzl
 2021-07-31  8:24 UTC  (2+ messages)

[Bug tree-optimization/101703] New: (bool0 + bool1) & 1 and (bool0 + bool1) == 1 can be optimized to bool0 ^ bool1
 2021-07-31  7:05 UTC 

[Bug tree-optimization/83234] Aggressive loop optim warning for loop iteration that cannot happen
 2021-07-31  0:50 UTC 

[Bug ipa/100801] New: Aggressive loop optimizations cause incorrect warning
 2021-07-31  0:41 UTC  (2+ messages)
` [Bug tree-optimization/100801] "

[Bug c/101702] New: [12 Regression] ICE: in handle_argspec_attribute, at c-family/c-attribs.c:3623
 2021-07-31  0:40 UTC 

[Bug middle-end/101674] New: gcc.dg/uninit-pred-9_b.c fails after jump threading rewrite
 2021-07-31  0:32 UTC  (2+ messages)
` [Bug middle-end/101674] "

[Bug c++/101701] New: GCC optimization and code generation for if-else chains vs ternary chains vs a switch
 2021-07-30 23:53 UTC  (5+ messages)
` [Bug tree-optimization/101701] "

[Bug tree-optimization/57858] New: AVX2: ymm used for div, not for sqrt
 2021-07-30 22:56 UTC  (3+ messages)
` [Bug tree-optimization/57858] "

[Bug c++/101689] New: Internal compiler error during GIMPLE pass: ehcleanup
 2021-07-30 22:17 UTC  (7+ messages)
` [Bug c++/101689] "
` [Bug c++/101689] ICE with -fvtable-verify=std and -fnon-call-exceptions

[Bug tree-optimization/96921] New: Failure to optimize combined boolean not patterns
 2021-07-30 22:13 UTC  (2+ messages)
` [Bug tree-optimization/96921] "

[Bug tree-optimization/101610] New: CST - (x ^ (CST-1)) can be optimized to x + 1 if x < CST and CST is a power of 2
 2021-07-30 21:53 UTC  (2+ messages)
` [Bug tree-optimization/101610] "

[Bug d/101691] New: d: Use of LOOP_EXPR prevents removing no-op loops
 2021-07-30 20:49 UTC  (3+ messages)
` [Bug d/101691] "

[Bug fortran/101514] New: ICE: out of memory allocating 18446744073709551600 bytes
 2021-07-30 20:14 UTC  (3+ messages)
` [Bug fortran/101514] "

[Bug fortran/101700] New: [Coarrays] segmentation fault calling member function of derived type coarray object on remote image
 2021-07-30 20:09 UTC 

[Bug fortran/101536] New: ICE in gfc_conv_expr_descriptor, at fortran/trans-array.c:7324
 2021-07-30 20:09 UTC  (3+ messages)
` [Bug fortran/101536] "

[Bug fortran/101699] New: [Coarrays] deferred-length character inside a derived type coarray cannot be accessed by coindexing
 2021-07-30 19:45 UTC  (2+ messages)
` [Bug fortran/101699] "

[Bug c/101682] New: gcc incorrectly rejects C2x attributes after declaration-specifiers
 2021-07-30 19:13 UTC  (4+ messages)
` [Bug c/101682] "

[Bug c++/101698] New: Template type conversion operator from base class preferred over matching overload
 2021-07-30 19:11 UTC 

[Bug middle-end/101132] New: [11/12 regression] [MIPS/MSA] internal compiler error: in do_store_flag, at expr.c:12541
 2021-07-30 18:03 UTC  (3+ messages)
` [Bug target/101132] "

[Bug c++/71003] __extension__ silences pedwarn for "\e" in C but not in C++
 2021-07-30 17:59 UTC 

[Bug middle-end/101671] New: pr83510 fails because threader confuses -Warray-bounds
 2021-07-30 17:44 UTC  (2+ messages)
` [Bug middle-end/101671] pr83510 fails with -Os "

[Bug testsuite/101517] New: Some testcases were lost when tree-ssa was merged
 2021-07-30 17:39 UTC  (3+ messages)
` [Bug testsuite/101517] "

[Bug libstdc++/65018] New: Use secure_getenv when available
 2021-07-30 17:13 UTC  (4+ messages)
` [Bug libstdc++/65018] "

[Bug c++/101539] New: [C++20] Implement builtins for layout-compatibility and pointer-interconvertibility traits
 2021-07-30 16:51 UTC  (2+ messages)
` [Bug c++/101539] "

[Bug testsuite/101104] New: test case g++.dg/tsan/pthread_cond_clockwait.C fails
 2021-07-30 16:32 UTC  (2+ messages)
` [Bug target/101104] test case gcc.c-torture/execute/ieee/cdivchkld.c fails

[Bug bootstrap/100340] New: Bootstrap fails with Clang 12.0.5 (XCode 12.5)
 2021-07-30 16:23 UTC  (4+ messages)
` [Bug target/100340] "

[Bug c++/101677] New: [11 Regression] Concept with use of incomplete type succeeds on GCC 10.3.0, fails on GCC 11 onward
 2021-07-30 15:50 UTC  (2+ messages)
` [Bug c++/101677] [11/12 "

[Bug c++/98859] New: pedantic error on use of __VA_OPT__ before C++20 is unnecessary and counterproductive
 2021-07-30 15:49 UTC  (2+ messages)
` [Bug c++/98859] "

[Bug lto/79062] -Walloca-larger-than and -Wformat-overflow warnings disabled by -flto
 2021-07-30 15:29 UTC  (2+ messages)

[Bug c/101696] New: Function multiversioning not usable with new x86-64-v*
 2021-07-30 15:26 UTC 

[Bug middle-end/101688] New: g++.dg/warn/Wstringop-overflow-4.C fails on x86-32 with new jump threader
 2021-07-30 15:14 UTC  (2+ messages)
` [Bug middle-end/101688] g++.dg/warn/Wstringop-overflow-4.C fails on 32-bit archs "

[Bug other/101694] New: [12 regression] g++.dg/warn/Wstringop-overflow-4.C fails after r12-2591 for 32 bits
 2021-07-30 15:14 UTC  (2+ messages)
` [Bug other/101694] "

[Bug c++/101695] New: calling incorrect destructor of same-name class in anonymous namespaces in separate translation units
 2021-07-30 14:40 UTC 

[Bug tree-optimization/100494] New: Unterminated recursion in gimple-range.cc (x86_64-w64-mingw32)
 2021-07-30 14:39 UTC  (2+ messages)
` [Bug tree-optimization/100494] [11/12 Regression] "

[Bug rtl-optimization/101693] New: Terrible SIMD register allocation with a tight loop operating on 8 registers
 2021-07-30 14:05 UTC  (2+ messages)
` [Bug rtl-optimization/101693] "

[Bug target/101685] New: -march=amdfam10 -mno-lzcnt Defines __LZCNT__
 2021-07-30 13:51 UTC  (3+ messages)
` [Bug target/101685] [12 Regression] "

[Bug target/101683] New: Floating point exception for double->unsigned conversion on avx512 only
 2021-07-30 11:25 UTC  (2+ messages)
` [Bug rtl-optimization/101683] "

[Bug middle-end/101690] New: failure to shrink wrap simple loop with more aggressive jump threading
 2021-07-30 10:26 UTC 

[Bug target/66791] New: Replace builtins with gcc vector extensions code
 2021-07-30  9:41 UTC  (2+ messages)
` [Bug target/66791] [ARM] "

[Bug tree-optimization/53947] New: [meta-bug] vectorizer missed-optimizations
 2021-07-30  9:16 UTC  (2+ messages)
` [Bug tree-optimization/53947] "

page:  |  | latest

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).