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[Bug tree-optimization/100089] New: [11 Performance regression ] 30% for denbench/mp2decoddata2 with -O3
2021-08-30 12:05 UTC (2+ messages)
` [Bug tree-optimization/100089] [11/12 Regression] 30% performance regression "
[Bug tree-optimization/102128] New: [12 Regression] Huge performance drop for 519.lbm_r since r12-3116-g9216ee6d1195d48388f825cf1b072e570129cbbe
2021-08-30 12:05 UTC (7+ messages)
` [Bug tree-optimization/102128] "
[Bug middle-end/26163] [meta-bug] missed optimization in SPEC (2k17, 2k and 2k6 and 95)
2021-08-30 12:05 UTC
[Bug translation/56985] New: gcc/fortran/resolve.c:920: "'%s' in cannot appear in COMMON ..."
2021-08-30 11:53 UTC (3+ messages)
` [Bug fortran/56985] "
[Bug c/102125] New: (ARM Cortex-M3 and newer) missed optimization. memcpy not needed operations
2021-08-30 11:40 UTC (3+ messages)
` [Bug c/102125] "
` [Bug target/102125] "
[Bug fortran/97571] New: long parsing phase for simple array constructor
2021-08-30 11:38 UTC (3+ messages)
` [Bug fortran/97571] "
[Bug middle-end/102126] New: Wrong optimization of multiplication by 1 and -1 with -ftrapping-math when an underflow is possible
2021-08-30 11:28 UTC (4+ messages)
` [Bug middle-end/102126] Wrong optimization of FP multiplication and division "
[Bug target/102127] New: [12 Regression] ICE when compiling powerpc/440-mulchw-1.c
2021-08-30 11:24 UTC (4+ messages)
` [Bug target/102127] [12 Regression] ICE when compiling (m32) powerpc/440-mulchw-1.c
` [Bug target/102127] [12 Regression] ICE when compiling (m32) powerpc/440-mulchw-1.c since g:ff6bb9dde10ab665a35bb75527313cd9f7d52f8e
[Bug fortran/101918] New: LTO type mismatches for runtime library functions in mixed -fdefault-real-8 projects
2021-08-30 10:28 UTC (3+ messages)
` [Bug fortran/101918] "
[Bug c/102124] New: GCC 11.2.1 -ftree-loop-vectorize Causing Data To Lose Sign Bit
2021-08-30 10:15 UTC (8+ messages)
` [Bug c/102124] "
` [Bug target/102124] [11/12 Regression] -ftree-loop-vectorize Causing Data To Lose Sign Bit on AARCH64 Platform
` [Bug tree-optimization/102124] "
[Bug target/100952] New: [12 regression] several test case failures after r12-1202
2021-08-30 10:06 UTC (2+ messages)
` [Bug target/100952] "
[Bug target/80689] 128 bit loads generated for structure copying with gcc 7.1.0 and leads to STLF stalls in avx2 targets
2021-08-30 9:16 UTC (2+ messages)
[Bug c/102098] New: ICE when #include <boost/asio.hpp> with -fmodules-ts -std=c++20
2021-08-30 8:27 UTC (4+ messages)
` [Bug c/102098] "
` [Bug c/102098] ICE when #include <boost/asio.hpp> with -fmodules-ts -std=c++20 since r11-7530-g1e5cdb9f896fb220
[Bug libffi/83636] libffi/mips/n32: don't .set mips4 for mips r6
2021-08-30 8:05 UTC
[Bug target/102031] New: [12 Regression] ICE in simplify_truncation, at simplify-rtx.c:620 since r12-3074-g7e5f9ead16d7514b3baa0254084de94f0bfcd216
2021-08-30 7:57 UTC (2+ messages)
` [Bug rtl-optimization/102031] "
[Bug tree-optimization/36188] missed optimistic value-numbering on global vars
2021-08-30 7:52 UTC
[Bug tree-optimization/85509] fails to promote local static to const
2021-08-30 7:49 UTC (2+ messages)
` [Bug ipa/85509] "
[Bug go/102102] New: [12 Regression] trunk 20210827 ftbfs libgo on x86_64-linux-gnux32
2021-08-30 7:45 UTC (2+ messages)
` [Bug go/102102] "
[Bug tree-optimization/68050] New: SLP vectorization should negate constants to match up + vs -
2021-08-30 7:44 UTC (3+ messages)
` [Bug tree-optimization/68050] "
[Bug tree-optimization/102121] New: switch conversion to load table should do integer compression
2021-08-30 7:36 UTC (3+ messages)
` [Bug tree-optimization/102121] "
[Bug ada/102078] New: ffinity.c:59:19: error: Signed integer overflow ?
2021-08-30 7:35 UTC (4+ messages)
` [Bug ada/102078] affinity.c:59:19: "
[Bug c/102118] New: ice in merge, at ipa-modref-tree.h:203
2021-08-30 7:23 UTC (3+ messages)
` [Bug ipa/102118] [12 Regression] "
[Bug c/51838] New: Inefficient add of 128 bit quantity represented as 64 bit tuple to 128 bit integer
2021-08-30 6:33 UTC (3+ messages)
` [Bug target/51838] "
[Bug go/101994] New: go1: internal compiler error: in return_statement, at go/go-gcc.cc:2318
2021-08-30 6:29 UTC (2+ messages)
` [Bug go/101994] "
[Bug c++/67962] New: Optimization opportunity with conditional swap
2021-08-30 5:45 UTC (2+ messages)
` [Bug tree-optimization/67962] Optimization opportunity with conditional swap to two MIN/MAX in phiopt
[Bug rtl-optimization/97756] New: Inefficient handling of 128-bit arguments
2021-08-30 5:18 UTC (2+ messages)
` [Bug rtl-optimization/97756] [9/10/11/12 Regression] "
[Bug tree-optimization/36352] missed "inlining" of static untouched variable in linked once function
2021-08-30 5:09 UTC
[Bug tree-optimization/94836] New: Failure to optimize condition based on known value of static variable
2021-08-30 5:02 UTC (2+ messages)
` [Bug tree-optimization/94836] "
[Bug lto/47205] New: GCC emits optimized out noinline function
2021-08-30 4:54 UTC (2+ messages)
` [Bug tree-optimization/47205] "
[Bug lto/48200] New: linking shared library with LTO results in different exported symbols
2021-08-30 4:37 UTC (3+ messages)
` [Bug lto/48200] Implement function attribute for symbol versioning (.symver)
[Bug c/100789] New: ICE: in gimplify_expr, at gimplify.c:14750
2021-08-30 3:57 UTC (3+ messages)
` [Bug c/100789] [9/10/11/12 Regression] "
` [Bug c/100789] [9/10/11/12 Regression] ICE with __transaction_relaxed and left shit signed overflow
[Bug target/57636] New: cr16: ICE while building libgcc
2021-08-30 3:36 UTC (2+ messages)
` [Bug target/57636] "
[Bug tree-optimization/102087] New: ICE on valid code at -O3 on x86_64-linux-gnu: in determine_exit_conditions, at tree-ssa-loop-manip.c:1049
2021-08-30 3:26 UTC (4+ messages)
` [Bug tree-optimization/102087] [12 Regression] ICE on valid code at -O3 on x86_64-linux-gnu: in determine_exit_conditions, at tree-ssa-loop-manip.c:1049 since r12-3136-g3673dcf6d6baeb67
[Bug middle-end/60192] New: Test case gcc.dg/tree-ssa/sra-12.c fails on ARM
2021-08-30 3:19 UTC (2+ messages)
` [Bug testsuite/60192] "
[Bug c++/60318] New: Documentation bug: C++ Misunderstandings: Implicit Copy-Assignment for Virtual Bases
2021-08-30 3:16 UTC (2+ messages)
` [Bug c++/60318] "
[Bug c++/102123] New: Internal Compiler Error occurs during template deduction in use with templates as template parameters
2021-08-30 3:06 UTC (2+ messages)
` [Bug c++/102123] "
[Bug translation/56986] New: config/epiphany/epiphany.opt:108: "floatig"
2021-08-30 3:02 UTC (2+ messages)
` [Bug target/56986] "
[Bug go/47726] New: language go can not build for mingw target
2021-08-30 2:41 UTC (2+ messages)
` [Bug go/47726] "
[Bug bootstrap/39572] x86_64-*-openbsd* is not supported yet
2021-08-30 2:39 UTC
[Bug target/27396] It seems that x86_64-unknown-openbsd3.9 is completely unsupported
2021-08-30 2:39 UTC
[Bug testsuite/102122] New: contrib/compare_tests reports different result with identical sum input
2021-08-30 2:09 UTC (2+ messages)
` [Bug testsuite/102122] "
[Bug target/52838] New: [x32] missed optimization for pointer return value
2021-08-30 2:08 UTC (2+ messages)
` [Bug target/52838] "
[Bug target/52848] New: [x32] *load_tp_x32 in i386.md isn't necessary
2021-08-30 2:06 UTC (2+ messages)
` [Bug target/52848] "
[Bug tree-optimization/49175] New: vect/pr48172.c execution failure for ARM GNU/Linux
2021-08-30 1:49 UTC (2+ messages)
` [Bug testsuite/49175] "
[Bug c++/47457] New: g++ calls without optimisation incorrectly from explicitly optimised code
2021-08-30 1:36 UTC (2+ messages)
` [Bug target/47457] "
[Bug ipa/60062] New: wrong code (for code with the optimize attribute) at -O1 and above on x86_64-linux-gnu in 32-bit mode
2021-08-30 1:36 UTC (2+ messages)
` [Bug target/60062] [4.7 Regression] "
[Bug tree-optimization/47004] New: missed optimization in comparison
2021-08-30 1:07 UTC (2+ messages)
` [Bug tree-optimization/47004] missed optimization in length comparison
[Bug middle-end/40589] efficiency problem with V2HI add
2021-08-29 22:49 UTC
[Bug middle-end/24929] long long shift/mask operations should be better optimized
2021-08-29 22:39 UTC
[Bug tree-optimization/39249] FAIL: g++.dg/ipa/iinline-1.C scan-ipa-dump inline "String::funcOne[^\n]*inline copy in int main"
2021-08-29 22:29 UTC
[Bug middle-end/36282] [4.7 Regression] Spurious warning "asm declaration ignored due to conflict with previous rename"
2021-08-29 21:54 UTC
[Bug c/37266] extra #pragma weak breaks function aliasing
2021-08-29 21:54 UTC
[Bug preprocessor/36887] Please report #pragma GCC poison" location
2021-08-29 21:47 UTC
[Bug target/86209] Peephole does not happen because the type of zero/sign extended operands is not the same
2021-08-29 21:05 UTC
[Bug target/82533] inefficient code generation for copy loop on falkor
2021-08-29 20:56 UTC
[Bug target/82260] [x86] Unnecessary use of 8-bit registers with -Os. slightly slower and larger code
2021-08-29 20:54 UTC
[Bug fortran/100662] New: intrinsic::ieee_arithmetic fails on aarch, powerpc architectures on FreeBSD
2021-08-29 20:31 UTC (2+ messages)
` [Bug fortran/100662] "
[Bug target/88571] AVX512: when calculating logical expression with all values in kN registers, do not use GPRs
2021-08-29 20:30 UTC
[Bug rtl-optimization/68131] New: missed optimization and warning for broken overflow check
2021-08-29 20:18 UTC (2+ messages)
` [Bug tree-optimization/68131] "
[Bug target/87976] [i386] Sub-optimal code generation for _mm256_set1_epi64()
2021-08-29 20:00 UTC
[Bug c++/102120] New: expected tree that contains 'decl common' structure, have 'identifier_node' in dump_aggr_type, at cp/error.c:786
2021-08-29 19:07 UTC (2+ messages)
` [Bug c++/102120] "
[Bug libstdc++/102026] New: The comment on the instantiation description of __variant::__gen_vtable_impl can be updated
2021-08-29 16:40 UTC (2+ messages)
` [Bug libstdc++/102026] "
[Bug d/102094] New: d: ICE in gimple_register_canonical_type_1, at lto/lto-common.c:430
2021-08-29 16:32 UTC (3+ messages)
` [Bug d/102094] "
[Bug c++/102119] New: ICE when accessing an uninitialised variable in a dynamic array of unions in a constexpr context
2021-08-29 16:18 UTC
[Bug middle-end/101996] New: libatomic: RISC-V 64: Infinite recursion in __atomic_compare_exchange_1
2021-08-29 14:55 UTC (2+ messages)
` [Bug middle-end/101996] "
[Bug target/102117] New: s390: Inefficient code for 64x64=128 signed multiply for <= z13
2021-08-29 12:49 UTC (2+ messages)
` [Bug target/102117] "
[Bug c++/102116] New: structured binding is returned from a function as rvalue in C++20 mode
2021-08-29 9:27 UTC
[Bug target/93990] [x86] Silly code generation for _addcarry_u32/_addcarry_u64
2021-08-29 9:14 UTC
[Bug tree-optimization/89059] Once we emit switchconf tables, we don't optimize them anymore
2021-08-29 9:12 UTC (2+ messages)
[Bug tree-optimization/101932] New: Vectorizer failed due to argument types differ for ldexp
2021-08-29 8:35 UTC (2+ messages)
` [Bug tree-optimization/101932] "
[Bug middle-end/90262] Inline small constant memmoves
2021-08-29 8:30 UTC
[Bug tree-optimization/93326] switch optimisation of multiple jumptables into a lookup
2021-08-29 8:28 UTC
[Bug tree-optimization/98443] New: Failure to optimize out vector operations into a constant when possible
2021-08-29 5:17 UTC (2+ messages)
` [Bug tree-optimization/98443] "
[Bug tree-optimization/97351] New: gcc.dg/vect/bb-slp-subgroups-3.c bad vectorization with AVX
2021-08-29 4:58 UTC (2+ messages)
` [Bug tree-optimization/97351] "
[Bug tree-optimization/40748] simple switch/case, if/else and arithmetics result in different code
2021-08-29 4:06 UTC
[Bug pch/71934] pch cannot be disabled so gcc cannot be position independent
2021-08-29 4:00 UTC
[Bug c/20110] format checking and non-ASCII character sets
2021-08-29 3:55 UTC
[Bug middle-end/37710] When peeling an ordinary label off a case-table and making it a default label, strip from the end with identical labels
2021-08-29 3:30 UTC (3+ messages)
[Bug c++/97771] New: gcc/g++ failed to generate proper .init_array entries for local scope function, should create "axG", .init_array comdat
2021-08-29 3:12 UTC (3+ messages)
` [Bug c++/97771] "
[Bug rtl-optimization/86352] setc/movzx introduced into loop to provide a constant 0 value for a later rep stos
2021-08-29 1:56 UTC (2+ messages)
[Bug tree-optimization/86024] Missed memcpy loop distribution with elementwise copy
2021-08-29 1:14 UTC
[Bug tree-optimization/85721] bad codegen for looped copy of primitives at -O2 and -O3 (differently bad)
2021-08-29 1:13 UTC
[Bug c++/95797] New: Can std::allocator.deallocate newed pointer during constant evaluation
2021-08-29 0:36 UTC (5+ messages)
` [Bug c++/95797] "
[Bug c++/95808] New: Can mismatch non-array new/delete with array new/delete during constant evaluation
2021-08-29 0:34 UTC (2+ messages)
` [Bug c++/95808] "
[Bug tree-optimization/92638] gcc unable to remove empty loop after loop body is removed after malloc/free pair was removed
2021-08-29 0:30 UTC
[Bug c++/96090] New: Inconsistent querying of differring exception specifications of explicitly defaulted functions
2021-08-29 0:17 UTC (2+ messages)
` [Bug c++/96090] noexcept operator of potentially-throwing defaulted function gives the wrong result
[Bug c++/99141] New: Name of deduced type unchecked in deduction guide
2021-08-29 0:16 UTC (3+ messages)
` [Bug c++/99141] "
[Bug c++/95977] New: No deallocation of temporary in return-statement during constant evaluation
2021-08-29 0:15 UTC (3+ messages)
` [Bug c++/95977] "
[Bug middle-end/67809] New: Empty pointer-chasing loops aren't optimized out
2021-08-28 23:52 UTC (2+ messages)
` [Bug middle-end/67809] "
[Bug tree-optimization/89713] Optimize away an empty loop whose finiteness can not be analytically determined
2021-08-28 23:52 UTC (2+ messages)
[Bug c/46186] New: Clang creates code running 1600 times faster than gcc's
2021-08-28 23:42 UTC (2+ messages)
` [Bug tree-optimization/46186] "
[Bug c/65855] New: missing optimization: triangular numbers
2021-08-28 23:42 UTC (2+ messages)
` [Bug middle-end/65855] SCEV / SCCP "
[Bug c/80852] SCEV final value replacement fails to recognise sum computed by loop
2021-08-28 23:42 UTC
[Bug c++/95849] New: Universal forwarding constructor inheritance resolution issue
2021-08-28 23:03 UTC (2+ messages)
` [Bug c++/95849] "
[Bug c++/99091] New: constexpr variable evaluated at runtime
2021-08-28 22:56 UTC (2+ messages)
` [Bug tree-optimization/99091] local array not prompted to static
[Bug c++/95412] New: Constexpr variables captured in templated lambdas
2021-08-28 22:52 UTC (2+ messages)
` [Bug c++/95412] "
[Bug c++/99507] New: Can't return static address from immediate function
2021-08-28 22:43 UTC (3+ messages)
` [Bug c++/99507] "
[Bug c++/95269] New: Lambda is allowed to capture any constexpr variable without specifying any captures
2021-08-28 22:42 UTC (3+ messages)
` [Bug c++/95269] "
[Bug target/102107] New: protocol register (r12) corrupted before a tail call
2021-08-28 22:33 UTC (3+ messages)
` [Bug target/102107] "
[Bug c++/94716] New: Address of constexpr variable not usable in constant expression
2021-08-28 22:27 UTC (2+ messages)
` [Bug c++/94716] comparison of address of template variables should be constexpr
[Bug c++/101155] New: comparing non-capturing lambdas is not constexpr
2021-08-28 22:23 UTC (2+ messages)
` [Bug c++/101155] "
[Bug c++/69681] C/C++ FEs do not consider comparisons of distinct function pointers to be constant expressions
2021-08-28 22:23 UTC
[Bug c++/70380] SFINAE error with constexpr expressions referencing a non-const variable
2021-08-28 22:20 UTC
[Bug c++/97740] New: Weird error message about accessing a private member of my own class inside of std::string_view inside of constexpr
2021-08-28 22:16 UTC (2+ messages)
` [Bug c++/97740] "
[Bug c++/97752] New: incorrect address to inherited object in constexpr context
2021-08-28 22:11 UTC (2+ messages)
` [Bug c++/97752] "
[Bug c++/96251] New: co_yield incorrectly rejected in non-explicitly-constexpr generic lambda
2021-08-28 22:08 UTC (2+ messages)
` [Bug c++/96251] [constexpr, coroutines] "
[Bug c++/96784] New: Templated lambda body remains constexpr despite having co_await in body
2021-08-28 22:08 UTC (3+ messages)
` [Bug c++/96784] "
[Bug c++/93975] Wrong constexpr copy/move assignment operator allowed on non-literal type
2021-08-28 21:59 UTC
[Bug c++/94082] __builtin_memcpy in constexpr context should compile
2021-08-28 21:57 UTC
[Bug c++/55004] New: [meta-bug] constexpr issues
2021-08-28 21:54 UTC (2+ messages)
` [Bug c++/55004] "
[Bug c++/58601] New: [meta-bug] alignas
2021-08-28 21:54 UTC (2+ messages)
` [Bug c++/58601] "
[Bug c++/70124] alignas error in constexpr function
2021-08-28 21:54 UTC
[Bug c++/84403] Possible further extension of constexpr: allow to use them as template parameters
2021-08-28 21:54 UTC
[Bug c++/86105] Conversion to ambiguous/inaccessible rvalue base is valid in unevaluated context
2021-08-28 21:53 UTC
[Bug c++/99992] New: Diagnose C++11 constexpr body that isn't just return even in uninstantiated templates
2021-08-28 21:49 UTC (2+ messages)
` [Bug c++/99992] "
[Bug c++/96155] New: "throw" that is not executed in constexpr function fails to compile
2021-08-28 21:46 UTC (2+ messages)
` [Bug c++/96155] "
[Bug c++/98672] New: constexpr function - for loop with return statement doesn't get recognized as constexpr subexpression
2021-08-28 21:46 UTC (3+ messages)
` [Bug c++/98672] "
[Bug c++/89785] Incorrect "not a constant expression" error with switch statement that returns
2021-08-28 21:42 UTC
[Bug c++/81042] Too many constexpr iterations on unreachable loop
2021-08-28 21:31 UTC
[Bug c++/86767] [6/7 Regression] continue statements in constexpr functions causes unbounded looping
2021-08-28 21:31 UTC
[Bug rtl-optimization/102115] New: symbol address eliminated by the xtensa size optimization
2021-08-28 21:28 UTC
[Bug c++/80061] error on constexpr function with an unevaluated throw
2021-08-28 21:25 UTC
[Bug c++/82572] throw on line by itself in constexpr function aborts compile even if never reached
2021-08-28 21:25 UTC
[Bug c++/99859] New: constexpr evaluation with member function is incorrect
2021-08-28 21:21 UTC (3+ messages)
` [Bug c++/99859] "
[Bug c++/95806] New: Result of call with reference argument to newed object is cached during constant evaluation
2021-08-28 21:17 UTC (3+ messages)
` [Bug c++/95806] "
[Bug libstdc++/101439] New: std::atomic<__uint128_t>::load() crashes - possible fix with mutable
2021-08-28 21:10 UTC (3+ messages)
` [Bug libstdc++/101439] std::atomic<sixteen_byte_struct>::load() "
[Bug other/95722] New: libatomic crashes on __atomic_load of const object
2021-08-28 20:55 UTC (2+ messages)
` [Bug target/95722] "
[Bug middle-end/101455] New: missing -Wstringop-overflow on buffer overflow by a complex number
2021-08-28 20:53 UTC (2+ messages)
` [Bug middle-end/101455] "
[Bug c/98621] New: ICE: x from g referenced in f
2021-08-28 20:45 UTC (2+ messages)
` [Bug c/98621] [9/10/11/12 Regression] "
[Bug c/93572] [9/10/11/12 Regression] internal compiler error: q from h referenced in main
2021-08-28 20:45 UTC
[Bug c/101365] New: [12 Regression] ICE: in fold_convert_loc, at fold-const.c:243
2021-08-28 20:33 UTC (4+ messages)
` [Bug c/101365] [9/10/11/12 "
[Bug c/79412] [9/10/11/12 Regression] ICE in fold_convert_loc, at fold-const.c:2239
2021-08-28 20:33 UTC
[Bug fortran/99818] New: [10/11 Regression] ICE in gfc_get_tree_for_caf_expr, at fortran/trans-expr.c:2186
2021-08-28 20:06 UTC (3+ messages)
` [Bug fortran/99818] [10/11/12 "
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