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[Bug tree-optimization/88387] Possible code optimization when right shift count >= width of type
2023-08-05 3:34 UTC
[Bug tree-optimization/84997] Optimize integer operations on floating point constants without -ffast-math but with -fno-trapping-math
2023-08-05 3:28 UTC
[Bug tree-optimization/20514] hoisting of label out of jumptable would take place at cse, should happen at trees
2023-08-05 3:09 UTC
[Bug tree-optimization/80740] Aliasing with the return value
2023-08-05 3:00 UTC
[Bug tree-optimization/53947] New: [meta-bug] vectorizer missed-optimizations
2023-08-05 1:40 UTC (3+ messages)
` [Bug tree-optimization/53947] "
[Bug tree-optimization/49773] New: use of class data members prevent vectorization
2023-08-05 1:40 UTC (2+ messages)
` [Bug tree-optimization/49773] "
[Bug target/110908] New: [aarch64] Internal compiler error when using -ffixed-x30
2023-08-05 0:32 UTC (4+ messages)
` [Bug target/110908] "
[Bug tree-optimization/69489] missed vectorization for boolean loop, missed if-conversion
2023-08-05 0:24 UTC
[Bug c++/110905] New: GCC rejects constexpr code that may re-initialize union member
2023-08-04 23:09 UTC (5+ messages)
` [Bug c++/110905] "
[Bug tree-optimization/57650] New: Suboptimal code after TRUTH_AND_EXPR is changed into BIT_AND_EXPR
2023-08-04 23:00 UTC (3+ messages)
` [Bug tree-optimization/57650] "
[Bug tree-optimization/53806] New: Missed optimization (a<=b)&&(a>=b) with trapping
2023-08-04 22:34 UTC (2+ messages)
` [Bug tree-optimization/53806] "
[Bug tree-optimization/96167] New: fails to detect ROL pattern in simple case, but succeeds when operand goes through memcpy
2023-08-04 22:31 UTC (3+ messages)
` [Bug tree-optimization/96167] "
[Bug tree-optimization/93721] swapping adjacent scalars could be more efficient
2023-08-04 22:31 UTC
[Bug target/106265] New: RISC-V SPEC2017 507.cactu code bloat due to address generation
2023-08-04 22:30 UTC (2+ messages)
` [Bug target/106265] "
[Bug c/97225] New: Failure to optimize out conditional addition of zero
2023-08-04 22:28 UTC (2+ messages)
` [Bug tree-optimization/97225] "
[Bug c++/59883] New: Missed C++ front-end devirtualizations
2023-08-04 21:42 UTC (2+ messages)
` [Bug c++/59883] "
[Bug analyzer/110907] New: ICE when using -fanalyzer-verbose-state-changes
2023-08-04 21:22 UTC
[Bug middle-end/110864] New: [14 Regression] ICE in combine.cc causes stage2 build failure on RISCV
2023-08-04 21:19 UTC (2+ messages)
` [Bug rtl-optimization/110864] "
[Bug middle-end/110906] New: __attribute__((optimize("no-math-errno"))) has no effect
2023-08-04 21:15 UTC (5+ messages)
` [Bug middle-end/110906] "
[Bug tree-optimization/21998] (cond ? result1 : result2) is vectorized, where equivalent if-syntax isn't (store)
2023-08-04 20:36 UTC
[Bug analyzer/110426] New: Missing buffer overflow warning with function pointer that has the alloc_size attribute
2023-08-04 20:24 UTC (3+ messages)
` [Bug analyzer/110426] "
[Bug tree-optimization/18437] vectorizer failed for matrix multiplication
2023-08-04 20:20 UTC (2+ messages)
[Bug analyzer/110902] New: Missing cast in region_model_manager::maybe_fold_binop on MULT_EXPR by 1
2023-08-04 20:20 UTC (2+ messages)
` [Bug analyzer/110902] "
[Bug tree-optimization/49955] New: Fails to do partial basic-block SLP
2023-08-04 20:05 UTC (2+ messages)
` [Bug tree-optimization/49955] "
[Bug tree-optimization/35224] scalar evolution analysis fails with "evolution of base is not affine"
2023-08-04 19:57 UTC
[Bug tree-optimization/30049] Variable-length arrays (VLA) should be converted to normal arrays if possible
2023-08-04 19:46 UTC (2+ messages)
Gcc.gnu.org:Service Request:Notification:Friday, August 4, 2023
2023-08-04 19:43 UTC
[Bug tree-optimization/32806] Missing optimization to remove backward dependencies
2023-08-04 19:30 UTC
[Bug other/109910] New: GCC prologue/epilogue saves/restores callee-saved registers that are never changed
2023-08-04 19:19 UTC (2+ messages)
` [Bug other/109910] "
[Bug tree-optimization/110903] New: [14 Regression] Dead Code Elimination Regression since r14-1597-g64d90d06d2d
2023-08-04 18:37 UTC (3+ messages)
` [Bug tree-optimization/110903] "
` [Bug tree-optimization/110903] [12/13/14 Regression] Dead Code Elimination Regression
[Bug c++/109680] New: Regression where `int() const` is considered convertible to `int(*)()`
2023-08-04 18:08 UTC (2+ messages)
` [Bug c++/109680] [13 Regression] is_convertible<int() const, int(*)()> incorrectly true
[Bug c++/110904] New: __is_convertible incorrectly reports non-referenceable function prototypes as convertible
2023-08-04 18:08 UTC (2+ messages)
` [Bug c++/110904] "
[Bug middle-end/110857] New: aarch64-linux-gnu profiledbootstrap broken
2023-08-04 18:05 UTC (5+ messages)
` [Bug middle-end/110857] "
[Bug middle-end/26163] [meta-bug] missed optimization in SPEC (2k17, 2k and 2k6 and 95)
2023-08-04 17:26 UTC
[Bug tree-optimization/95084] New: code sinking prevents if-conversion
2023-08-04 17:26 UTC (2+ messages)
` [Bug tree-optimization/95084] [11/12/13/14 Regression] "
[Bug tree-optimization/92335] [11/12/13 Regression] sinking of loads happen too early which causes vectorization not to be done
2023-08-04 17:26 UTC
[Bug target/95958] New: [meta-bug] Inefficient arm_neon.h code for AArch64
2023-08-04 17:22 UTC (2+ messages)
` [Bug target/95958] "
[Bug rtl-optimization/94442] New: [AArch64] Redundant ldp/stp instructions emitted at -O3
2023-08-04 17:21 UTC (2+ messages)
` [Bug middle-end/94442] [11/12/13/14 regression] Redundant loads/stores "
[Bug ada/110898] New: compilation of adacl-assert-integer.ads failed
2023-08-04 17:02 UTC (3+ messages)
` [Bug ada/110898] "
[Bug driver/110901] New: -march does not override -mcpu on aarch64
2023-08-04 17:01 UTC (4+ messages)
` [Bug target/110901] "
` [Bug target/110901] -march does not override -mcpu (big.little "
[Bug c++/110202] New: _mm512_ternarylogic_epi64 generates unnecessary operations
2023-08-04 16:44 UTC (2+ messages)
` [Bug target/110202] "
[Bug c++/110900] New: std::string initializes SSO object subfield without making the SSO object active in the union
2023-08-04 16:17 UTC (7+ messages)
` [Bug c++/110900] "
` [Bug libstdc++/110900] "
[Bug libstdc++/110158] New: Cannot use union with std::string inside in constant expression
2023-08-04 16:16 UTC (4+ messages)
` [Bug c++/110158] "
[Bug target/109465] New: LoongArch: The expansion of memcpy is slow and bloated for some sizes
2023-08-04 15:51 UTC (2+ messages)
` [Bug target/109465] "
[Bug fortran/110888] New: Missing optimization for trivial MATMUL cases, requires -fno-signed-zeros
2023-08-04 15:45 UTC (4+ messages)
` [Bug fortran/110888] "
` [Bug middle-end/110888] "
[Bug rtl-optimization/110717] New: Double-word sign-extension missed-optimization
2023-08-04 15:26 UTC (2+ messages)
` [Bug rtl-optimization/110717] "
[Bug middle-end/88873] missing vectorization for decomposed operations on a vector type
2023-08-04 15:24 UTC
[Bug c/110897] New: RISC-V: Fail to vectorize shift
2023-08-04 15:22 UTC (17+ messages)
` [Bug target/110897] "
` [Bug tree-optimization/110897] "
[Bug target/110899] New: RFE: Attributes preserve_most and preserve_all
2023-08-04 14:19 UTC (2+ messages)
` [Bug target/110899] "
[Bug middle-end/110869] New: [14 regression] ICE in decompose, at rtl.h:2297
2023-08-04 14:18 UTC (9+ messages)
` [Bug middle-end/110869] "
[Bug c/108986] New: Incorrect warning for [static] array parameter
2023-08-04 14:06 UTC (2+ messages)
` [Bug c/108986] [11 Regression] "
[Bug tree-optimization/106346] New: Potential regression on vectorization of left shift with constants
2023-08-04 13:58 UTC (3+ messages)
` [Bug target/106346] [11/12/13/14 Regression] Potential regression on vectorization of left shift with constants since r11-5160-g9fc9573f9a5e94
[Bug c++/110848] New: Consider enabling -Wvla by default in C++ modes
2023-08-04 12:22 UTC (3+ messages)
` [Bug c++/110848] Consider enabling -Wvla by default in non-GNU "
[Bug modula2/110779] New: SysClock can not read the clock
2023-08-04 12:17 UTC (3+ messages)
` [Bug modula2/110779] "
[Bug sanitizer/81981] [8 Regression] -fsanitize=undefined makes a -Wmaybe-uninitialized warning disappear
2023-08-04 11:56 UTC (2+ messages)
[Bug target/110066] New: [RISC-V] Segment fault if compiled with -static -pg
2023-08-04 11:15 UTC (2+ messages)
` [Bug target/110066] [13 Regression] "
[Bug target/110838] New: [14 Regression] wrong code on x265-3.5, -O3, sign extraction
2023-08-04 11:15 UTC (5+ messages)
` [Bug tree-optimization/110838] [14 Regression] wrong code on x365-3.5, "
[Bug testsuite/110316] New: [14 regression] g++.dg/ext/timevar1.C and timevar2.C fail erratically
2023-08-04 10:29 UTC (2+ messages)
` [Bug middle-end/110316] [11/12/13/14 Regression] "
[Bug c/9903] [3.2 regression] ICE for legal code
2023-08-04 10:29 UTC
[Bug tree-optimization/106293] New: 456.hmmer at -Ofast -march=native regressed by 19% on zen2 and zen3 in July 2022
2023-08-04 10:09 UTC (2+ messages)
` [Bug tree-optimization/106293] [13 regression] "
[Bug tree-optimization/82397] [8 Regression] qsort comparator non-negative on sorted output: 1 in vect_analyze_data_ref_accesses
2023-08-04 8:09 UTC
[Bug tree-optimization/82446] [11/12/13/14 Regression] Missed equalities in dr_group_sort_cmp
2023-08-04 8:09 UTC (2+ messages)
[Bug tree-optimization/110891] New: [14 Regression] Dead Code Elimination Regression since r14-2674-gd0de3bf9175
2023-08-04 7:59 UTC (4+ messages)
` [Bug tree-optimization/110891] "
[Bug c/110874] New: ice with -O2 with recent gcc
2023-08-04 7:27 UTC (4+ messages)
` [Bug middle-end/110874] [14 Regression] "
[Bug middle-end/101955] New: (signed<<31)>>31 should become -(signed&1)
2023-08-04 7:10 UTC (2+ messages)
` [Bug middle-end/101955] "
[Bug tree-optimization/110896] New: [12/13/14 Regression] gcc.dg/ubsan/pr81981.c is xfailed
2023-08-04 7:07 UTC (3+ messages)
` [Bug tree-optimization/110896] "
[Bug c/68193] _Generic -Woverflow false alarm
2023-08-04 6:27 UTC
[Bug c/97100] New: -Wformat checks all arms of _Generic leading to irrelevant type expectation warnings
2023-08-04 6:06 UTC (2+ messages)
` [Bug c/97100] "
[Bug c/110703] New: Incorrect "-Wfloat-conversion" diagnostic with _Generic
2023-08-04 6:05 UTC (2+ messages)
` [Bug c/110703] "
[Bug target/82666] [11/12/13/14 regression]: sum += (x>128 ? x : 0) puts the cmov on the critical path (at -O2)
2023-08-04 4:18 UTC (2+ messages)
[Bug libstdc++/110854] New: constructor of std::counting_semaphore is not constexpr
2023-08-04 2:40 UTC (2+ messages)
` [Bug libstdc++/110854] "
[Bug target/110625] New: [AArch64] Vect: SLP fails to vectorize a loop as the reduction_latency calculated by new costs is too large
2023-08-04 2:34 UTC (2+ messages)
` [Bug target/110625] "
[Bug libstdc++/106611] New: std::is_nothrow_copy_constructible returns wrong result
2023-08-04 2:28 UTC (3+ messages)
` [Bug libstdc++/106611] "
[Bug target/84251] [11/12/13/14 Regression] Performance regression in gcc 8/9/10/11/12 when comparing floating point numbers
2023-08-04 0:50 UTC
[Bug rtl-optimization/82454] Possible future performance regression in x86 for 64-bit constant expansions
2023-08-04 0:30 UTC (2+ messages)
[Bug c++/110894] New: [modules] Program terminates with signal SIGSEGV
2023-08-03 23:06 UTC (4+ messages)
` [Bug c++/110894] "
[Bug other/110895] New: [14 regression] ICE compiling gcc.c-torture/compile/pr33133.c after r14-2925-g2bae476b511dc4
2023-08-03 22:49 UTC (2+ messages)
` [Bug other/110895] "
[Bug middle-end/24639] [meta-bug] bug to track all Wuninitialized issues
2023-08-03 22:48 UTC
[Bug target/80491] [11/12/13/14 Regression] Compiler regression for long-add case
2023-08-03 22:08 UTC
[Bug tree-optimization/79534] [11/12/13/14 Regression] tree-ifcombine aarch64 performance regression with trunk@245151
2023-08-03 21:29 UTC
[Bug tree-optimization/102556] New: equality comparison of a [static N] parameter to null not folded
2023-08-03 21:04 UTC (2+ messages)
` [Bug tree-optimization/102556] "
[Bug c/110878] New: -Wstringop-overread incorrectly warns about arguments to functions with static array parameter declarations
2023-08-03 21:01 UTC (2+ messages)
` [Bug c/110878] -Wstringop-overflow "
[Bug target/110892] New: [14 Regression] Risc-V rvv testsuite failures caused by conditional move costing
2023-08-03 20:58 UTC (5+ messages)
` [Bug target/110892] "
[Bug c++/110893] New: [modules] ICE Segmentation fault during GIMPLE pass modref
2023-08-03 19:48 UTC (2+ messages)
` [Bug c++/110893] "
[Bug target/107480] New: bpf: add __builtin_preserve_type_info
2023-08-03 18:50 UTC (2+ messages)
` [Bug target/107480] "
[Bug target/107481] New: bpf: add __builtin_preserve_enum_value
2023-08-03 18:50 UTC (2+ messages)
` [Bug target/107481] "
[Bug target/107479] New: bpf: add __builtin_btf_type_id
2023-08-03 18:50 UTC (2+ messages)
` [Bug target/107479] "
[Bug target/107844] New: error: argument is not a field access for __builtin_preserve_field_info
2023-08-03 18:50 UTC (2+ messages)
` [Bug target/107844] "
[Bug tree-optimization/77568] [11/12/13/14 regression] CSE/PRE/Hoisting blocks common instruction contractions
2023-08-03 17:58 UTC
[Bug c/110728] New: should __attribute__((cleanup())) callback get invoked for indirect edges of asm goto
2023-08-03 17:07 UTC (5+ messages)
` [Bug middle-end/110728] "
[Bug c/95130] New: GCC ignoring attribute(format(gnu_printf)) on printf in mingw
2023-08-03 16:33 UTC (2+ messages)
` [Bug c/95130] "
[Bug analyzer/108171] New: [13 Regression] ICE in binding_key::make, at analyzer/store.cc:132
2023-08-03 14:53 UTC (4+ messages)
` [Bug analyzer/108171] [13/14 Regression] ICE in binding_key::make, at analyzer/store.cc:132 since r13-4529-gdfe2ef7f2b6cac70
[Bug analyzer/110882] New: ICE with -fanalyzer on zero-sized array
2023-08-03 14:53 UTC (5+ messages)
` [Bug analyzer/110882] [13/14 Regression] "
` [Bug analyzer/110882] [13 "
[Bug c++/102553] New: internal compiler error: Segmentation fault for struct based parameter of template
2023-08-03 14:05 UTC (2+ messages)
` [Bug c++/102553] ICE (seg fault) in strip_array_types with NTTP and template alias
[Bug c++/104278] New: ICE constexpr class non-type template parameter
2023-08-03 14:05 UTC (2+ messages)
` [Bug c++/104278] ICE with class non-type template parameter with a value depdenent constexpr call
[Bug c++/103346] New: ICE on template specialization via alias template with a non-type parameter pack, and fold expression on lambda calls
2023-08-03 14:04 UTC (2+ messages)
` [Bug c++/103346] "
[Bug c/110702] New: Wrong code at -O1 on x86_64-linux-gnu (regression since GCC-12.2)
2023-08-03 12:23 UTC (4+ messages)
` [Bug tree-optimization/110702] [12/13/14 Regression] "
` [Bug tree-optimization/110702] [12/13 "
[Bug other/110885] New: "undefined reference" when using both "-fdebug-types-section" and "-gsplit-dwarf"
2023-08-03 11:48 UTC (2+ messages)
` [Bug debug/110885] [10/11/12/13/14 Regression] "undefined reference" when using both "-fdebug-types-section" and "-gsplit-dwarf" and inline function as a template argument
[Bug middle-end/110884] New: strncmp false positive with -Wstringop-overread on coreutils
2023-08-03 11:45 UTC (2+ messages)
` [Bug middle-end/110884] "
[Bug c++/110879] New: Unnecessary reread from memory in a loop
2023-08-03 11:42 UTC (2+ messages)
` [Bug libstdc++/110879] [14 Regression] Unnecessary reread from memory in a loop with std::vector
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