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[Bug middle-end/43883] missed optimization of constant __int128_t modulus
2021-12-23 0:51 UTC (2+ messages)
[Bug middle-end/101253] New: Optimize i % C1 == C0 || i % C1*C2 == C0 to i % C1 == C0
2021-12-23 0:39 UTC (2+ messages)
` [Bug tree-optimization/101253] "
[Bug fortran/103471] New: [9/10/11/12 Regression] ICE in gfc_typenode_for_spec, at fortran/trans-types.c:1114
2021-12-23 0:35 UTC (2+ messages)
` [Bug fortran/103471] "
[Bug debug/103808] New: [12 Regression] '-fcompare-debug' failure (length) w/ -O2 -ftrapv
2021-12-22 23:57 UTC (5+ messages)
` [Bug middle-end/103808] "
` [Bug target/103808] "
[Bug fortran/103506] New: [10/11/12 Regression] ICE in gfc_free_namespace, at fortran/symbol.c:4039
2021-12-22 23:52 UTC (2+ messages)
` [Bug fortran/103506] [10/11/12 Regression] ICE in gfc_free_namespace, at fortran/symbol.c:4039 since r10-2798-ge68a35ae4a65d2b3
[Bug fortran/103779] New: ICE in gfc_convert_chartype, at fortran/intrinsic.c:5400
2021-12-22 23:25 UTC (3+ messages)
` [Bug fortran/103779] "
[Bug fortran/103796] New: ICE in gfc_conv_expr_val, at fortran/trans-expr.c:9446
2021-12-22 23:21 UTC (5+ messages)
` [Bug fortran/103796] ICE in gfc_conv_expr_val, at fortran/trans-expr.c:9446 since r8-6395-gf8862a1b2afad9d1
[Bug c/103813] New: Crash in decompose, at wide-int.h:984 fold-const
2021-12-22 22:58 UTC (4+ messages)
` [Bug middle-end/103813] "
` [Bug middle-end/103813] [11/12 Regression] "
[Bug driver/81371] Too many C++ templates output in build error
2021-12-22 22:16 UTC (2+ messages)
[Bug c/103812] New: -fcond-mismatch could use a testcase that covers its documented behavior better
2021-12-22 21:34 UTC
[Bug c++/103811] New: [c++20] ICE when a lambda is used as a template argument of another lambda's function parameter
2021-12-22 21:26 UTC
[Bug c/103810] New: -fallow-parameterless-variadic-functions flag could use a testcase that covers its documentation better
2021-12-22 21:25 UTC
[Bug c++/103700] New: Incomplete type not causing constraints to fail
2021-12-22 21:17 UTC (4+ messages)
` [Bug c++/103700] "
[Bug c++/103809] New: spurious reporting of structure redefinition
2021-12-22 20:42 UTC (2+ messages)
` [Bug c++/103809] "
[Bug tree-optimization/103797] New: Clang vectorized LightPixel while GCC does not
2021-12-22 20:29 UTC (13+ messages)
` [Bug tree-optimization/103797] "
[Bug fortran/103795] New: ICE in gfc_conv_array_constructor_expr, at fortran/trans-expr.c:8325
2021-12-22 20:21 UTC (3+ messages)
` [Bug fortran/103795] ICE in gfc_conv_array_constructor_expr, at fortran/trans-expr.c:8325 since r7-1821-g20d0bfcefd6caf09
[Bug driver/93645] Support Clang 12 --ld-path=
2021-12-22 19:16 UTC (3+ messages)
[Bug fortran/103776] New: ICE in gfc_compare_string, at fortran/arith.c:1118
2021-12-22 19:11 UTC (3+ messages)
` [Bug fortran/103776] "
[Bug fortran/103778] New: [10/11/12 Regression] ICE: Invalid expression in gfc_element_size
2021-12-22 19:09 UTC (2+ messages)
` [Bug fortran/103778] "
[Bug libstdc++/55713] New: std::tuple<ElementType> incorrectly is convertible to "ElementType" when it is an empty class
2021-12-22 18:29 UTC (2+ messages)
` [Bug libstdc++/55713] "
[Bug c++/93711] [9 Regression] ICE: [[no_unique_address] when constructing via template helper
2021-12-22 18:29 UTC
[Bug c++/52830] New: ICE: "canonical types differ for identity types ..." when attempting SFINAE with member type
2021-12-22 18:26 UTC (2+ messages)
` [Bug c++/52830] ICE: "canonical types differ for identical "
[Bug tree-optimization/91384] [9/10/11/12 Regression] Compare with negation is not eliminated
2021-12-22 16:07 UTC (2+ messages)
[Bug middle-end/57955] New: Uniquization of constants breaks constant alignment
2021-12-22 15:39 UTC (2+ messages)
` [Bug middle-end/57955] [9/10/11/12 Regression] Uniquization of constants reduces alignment of initializers
[Bug libstdc++/103805] New: Inconsistent exception specifications
2021-12-22 15:36 UTC (7+ messages)
` [Bug libstdc++/103805] "
[Bug c++/103807] New: Unable to make template class instance with default parameter of lambda::function
2021-12-22 15:21 UTC (3+ messages)
` [Bug c++/103807] "
[Bug c++/103806] New: internal compiler error: in vague_linkage_p, at cp/decl2.c:2192 for pdp11-aout target
2021-12-22 14:06 UTC (3+ messages)
` [Bug c++/103806] "
[Bug middle-end/93902] conversion from 64-bit long or unsigned long to double prevents simple optimization
2021-12-22 13:18 UTC (2+ messages)
[Bug c++/60437] New: [C++11] Bogus "error: no matching function for call to 'X::X(<brace-enclosed initializer list>)'"
2021-12-22 13:17 UTC (2+ messages)
` [Bug c++/60437] "
[Bug c++/102050] New: Nonempty list-initialization rejects constructor with defaulted std::initializer_list
2021-12-22 13:17 UTC (2+ messages)
` [Bug c++/102050] "
[Bug target/103804] New: ICE: 'global_options' are modified in local context
2021-12-22 12:26 UTC (2+ messages)
` [Bug target/103804] "
[Bug libfortran/53962] New: Tab handling with formatted stream output
2021-12-22 12:18 UTC (2+ messages)
` [Bug libfortran/53962] "
[Bug libstdc++/103801] New: Link tests are not allowed after GCC_NO_EXECUTABLES. for pdp11-aout target
2021-12-22 11:52 UTC (5+ messages)
` [Bug libstdc++/103801] "
[Bug middle-end/90323] powerpc should convert equivalent sequences to vec_sel()
2021-12-22 11:39 UTC (3+ messages)
[Bug target/103623] New: error: unable to generate reloads (ICE in curr_insn_transform, at lra-constraints.c:4132), or error: insn does not satisfy its constraints (ICE in extract_constrain_insn_cached, at recog.c:2682)
2021-12-22 10:48 UTC (2+ messages)
` [Bug target/103623] [12 Regression] "
[Bug middle-end/99633] New: s1113 benchmark of TSVC is unrolled by icc and not by gcc and runs faster on znver3
2021-12-22 10:42 UTC (2+ messages)
` [Bug tree-optimization/99633] "
[Bug middle-end/99408] New: s3251 benchmark of TSVC vectorized by clang runs about 7 times faster compared to gcc
2021-12-22 10:42 UTC (2+ messages)
` [Bug tree-optimization/99408] "
[Bug tree-optimization/92492] AVX512: Missed vectorization opportunity
2021-12-22 10:41 UTC
[Bug c++/96750] New: 10-12% performance decrease in benchmark going from GCC8 to GCC9/GCC10
2021-12-22 10:41 UTC (2+ messages)
` [Bug ipa/96750] [9/10/11/12 Regression] "
[Bug ipa/44612] -flto -fwhole-program: Never read variable not optimized away
2021-12-22 10:21 UTC
[Bug other/96281] New: TBAA does not work as expected for a simple test case
2021-12-22 10:20 UTC (2+ messages)
` [Bug tree-optimization/96281] "
[Bug middle-end/95794] New: strnlen of a constant string plus variable offset not folded when bound exceeds size
2021-12-22 10:14 UTC (2+ messages)
` [Bug tree-optimization/95794] "
[Bug tree-optimization/92714] [missed-optimization] aggregate initialization of an array fills the whole array with zeros first, including leading non-zero elements
2021-12-22 10:06 UTC
[Bug tree-optimization/93939] missing optimization for floating-point expression converted to integer whose result is known at compile time
2021-12-22 10:05 UTC
[Bug tree-optimization/45274] __restrict__ type qualifier does not work on pointers to bitfields
2021-12-22 9:53 UTC
[Bug middle-end/68360] GCC bitfield processing code is very inefficient
2021-12-22 9:52 UTC
[Bug target/92183] gcc tries to create a relocation in a mergeable section
2021-12-22 9:49 UTC
[Bug middle-end/89889] worse code compared to clang with alloca()
2021-12-22 9:37 UTC (2+ messages)
[Bug tree-optimization/89922] Loop on fixed size array is not unrolled and poorly optimized at -O2
2021-12-22 9:35 UTC
[Bug middle-end/87654] Information about constants from condition is not propagated
2021-12-22 9:31 UTC (2+ messages)
[Bug middle-end/87655] `i = i % constant` for static local `i` is not optimized
2021-12-22 9:28 UTC (2+ messages)
[Bug tree-optimization/103803] New: i++; i = i % constant -> i >= constant-1 ? 0 : i+1
2021-12-22 9:27 UTC
[Bug middle-end/83384] Optimize heap allocation as stack allocation
2021-12-22 9:15 UTC (2+ messages)
[Bug middle-end/103802] New: [12 regression] recip-3.c fails after r12-6087 on Power m32
2021-12-22 9:06 UTC (2+ messages)
` [Bug middle-end/103802] "
[Bug middle-end/80399] Premature optimization with unsigned
2021-12-22 9:04 UTC
[Bug tree-optimization/103800] New: ICE in vectorizable_phi, at tree-vect-loop.c:7861 with -O3 -march=skylake-avx512
2021-12-22 9:00 UTC (4+ messages)
` [Bug tree-optimization/103800] [12 Regression] ICE in vectorizable_phi, at tree-vect-loop.c:7861 with -O3
` [Bug tree-optimization/103800] [12 Regression] ICE in vectorizable_phi, at tree-vect-loop.c:7861 with -O3 since r12-5626-g0194d92c35ca8b3a
[Bug tree-optimization/103799] New: switch expansion could be smarter
2021-12-22 8:56 UTC (3+ messages)
` [Bug tree-optimization/103799] "
[Bug middle-end/78399] g++ generates sub-optimal assembler code when structs aren't explicitly aligned
2021-12-22 8:45 UTC
[Bug middle-end/47341] New: unnecessary versioning in the vectorizer
2021-12-22 8:44 UTC (2+ messages)
` [Bug tree-optimization/47341] unnecessary versioning in the vectorizer, not implemented affine-affine test
[Bug debug/103788] New: [9/10/11/12 Regression] '-fcompare-debug' failure (length) w/ -O1
2021-12-22 8:42 UTC (8+ messages)
` [Bug debug/103788] "
[Bug tree-optimization/96114] New: ICE in make_ssa_name_fn, at tree-ssanames.c:279 since r7-536-g381cdae49785fc4b
2021-12-22 8:37 UTC (2+ messages)
` [Bug c/96114] "
[Bug tree-optimization/95821] New: Failure to optimize strchr to use memchr for string constant
2021-12-22 7:39 UTC (3+ messages)
` [Bug tree-optimization/95821] "
[Bug libstdc++/103798] New: Missed optimization: char_traits<char>::find (and thus string_view::find_first_of) is slow when invoked with short strings
2021-12-22 7:24 UTC (2+ messages)
` [Bug tree-optimization/103798] memchr with a (small) constant string should be expanded inline
[Bug c++/103490] New: Linkage type of typeinfo of polymorphic object with OOL functions
2021-12-22 7:07 UTC (3+ messages)
` [Bug c++/103490] "
[Bug c++/86126] Note when linking libraries built with different -std options
2021-12-22 3:58 UTC
[Bug c++/98500] New: ICE template template parameter with default parameter lambda
2021-12-22 3:52 UTC (2+ messages)
` [Bug c++/98500] "
[Bug c++/54367] New: [meta-bug] [C++11] lambda expressions
2021-12-22 3:47 UTC (2+ messages)
` [Bug c++/54367] [meta-bug] "
[Bug c++/97458] New: C++ parsing fails when calling specialized template method inside lambda
2021-12-22 3:47 UTC (2+ messages)
` [Bug c++/97458] "
[Bug c++/82980] [9/10/11/12 Regression] template keyword should not be required for captured decl of the "base" type
2021-12-22 3:47 UTC (2+ messages)
[Bug c++/82326] static_cast should be allowed when converting between vectors of just different signedness
2021-12-22 3:32 UTC
[Bug c++/81973] alias virtual function does not cause the vtable to be emitted even if the aliased function is defined in the TU
2021-12-22 3:31 UTC
[Bug d/103604] New: [12 Regression] trunk 20210506 fails to build in libphobos on mips64el-linux-gnu
2021-12-22 3:03 UTC (6+ messages)
` [Bug d/103604] "
[Bug c++/79424] dtor synthesized before abstractness correctly determined
2021-12-22 2:50 UTC
[Bug testsuite/103270] New: [12 regression] gcc.dg/vect/pr96698.c inner loop turned from hot to cold after r12-4526
2021-12-22 2:49 UTC (2+ messages)
` [Bug testsuite/103270] "
[Bug c++/35606] Unresolved #pragma weak prevents all function aliasing in C++
2021-12-22 2:09 UTC
[Bug middle-end/36282] [4.7 Regression] Spurious warning "asm declaration ignored due to conflict with previous rename"
2021-12-22 2:09 UTC
[Bug tree-optimization/103793] New: [12 Regression] ICE: in to_reg_br_prob_base, at profile-count.h:277 with -O3 -fno-guess-branch-probability
2021-12-22 1:59 UTC (3+ messages)
` [Bug tree-optimization/103793] [12 Regression] ICE: in to_reg_br_prob_base, at profile-count.h:277 with -O3 -fno-guess-branch-probability since r12-6086-gcd5ae148c47c6dee
[Bug c++/85461] A simple recursive TMP static const initializer defeats gcc
2021-12-22 1:45 UTC
[Bug c++/66153] New: Internal compiler error in nested template function
2021-12-21 21:58 UTC (5+ messages)
` [Bug c++/66153] "
[Bug target/103611] New: GCC generates suboptimal code for SSE2/SSE4.1 64-bit integer element extraction on 32-bit x86 targets
2021-12-21 21:30 UTC (2+ messages)
` [Bug target/103611] "
[Bug d/103739] New: Bootstrap broken on powerpc64-linux
2021-12-21 20:45 UTC (2+ messages)
` [Bug d/103739] "
[Bug d/103528] New: [12 regression] d21 doesn't build on Solaris
2021-12-21 20:30 UTC (2+ messages)
` [Bug d/103528] "
[Bug fortran/103794] New: ICE in gfc_check_reshape, at fortran/check.c:4727
2021-12-21 20:09 UTC (2+ messages)
` [Bug fortran/103794] "
[Bug c++/100673] New: [coroutines] Non-template, UDT await_suspend return-type results in ICE
2021-12-21 19:38 UTC (2+ messages)
` [Bug c++/100673] "
[Bug c++/103790] New: internal compiler error: Segmentation fault when playing with coroutine
2021-12-21 19:38 UTC (6+ messages)
` [Bug c++/103790] "
[Bug c/103791] New: A "segmentation fault" error appears when trying to compile a kernel
2021-12-21 19:35 UTC (3+ messages)
` [Bug c/103791] "
` [Bug middle-end/103791] "
[Bug fortran/103766] New: [12 Regression] Initialization of variable passed via static chain is lost
2021-12-21 19:10 UTC (2+ messages)
` [Bug ipa/103766] "
[Bug driver/82534] [meta-bug] POSIX compliant compiler options
2021-12-21 19:08 UTC
[Bug objc++/58783] Fast enumeration is not supported for Objective-C++
2021-12-21 19:03 UTC
[Bug target/103773] New: wrong code at -Oz due to sign extension
2021-12-21 15:50 UTC (3+ messages)
` [Bug target/103773] "
[Bug tree-optimization/103173] New: strncpy output may be truncated copying 32 bytes from a string of length 1439 (bogus) [-Werror=stringop-truncation]
2021-12-21 15:35 UTC (3+ messages)
` [Bug tree-optimization/103173] "
[Bug sanitizer/103792] New: stack-use-after-scope false positive with exceptions on ARM EABI
2021-12-21 15:31 UTC (2+ messages)
` [Bug sanitizer/103792] "
[Bug ada/103785] New: [12 Regression] Ada LTO+PGO bootstrap ICEs on i586
2021-12-21 15:28 UTC (2+ messages)
` [Bug target/103785] [12 Regression] Ada bootstrap ICEs on i?86
[Bug target/92137] [ia32] Missing documentation for ia32 builtins
2021-12-21 14:36 UTC
[Bug target/63281] New: powerpc64le creates 64 bit constants from scratch instead of loading them
2021-12-21 14:36 UTC (3+ messages)
` [Bug rtl-optimization/63281] "
[Bug fortran/103789] New: ICE when providing kind argument to mask{l,r}
2021-12-21 13:58 UTC (3+ messages)
` [Bug fortran/103789] "
[Bug c/99578] New: gcc-11 -Warray-bounds or -Wstringop-overread warning when accessing a pointer from integer literal
2021-12-21 13:53 UTC (2+ messages)
` [Bug middle-end/99578] [11/12 Regression] "
[Bug target/49001] New: GCC uses VMOVAPS/PD AVX instructions to access stack variables that are not 32-byte aligned
2021-12-21 12:35 UTC (2+ messages)
` [Bug target/49001] "
[Bug target/93002] while(i--) optimization
2021-12-21 11:43 UTC
[Bug target/93130] PPC simple memset not inlined
2021-12-21 11:43 UTC
[Bug target/69143] PowerPC64: aggregate results are badly handled
2021-12-21 11:42 UTC
[Bug target/30354] -Os doesn't optimize a/CONST even if it saves size
2021-12-21 11:42 UTC
[Bug target/91502] suboptimal atomic_fetch_sub and atomic_fetch_add
2021-12-21 11:40 UTC
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