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[Bug tree-optimization/107137] New: (unsigned)-(int)(bool_var) should be optimized to -(unsigned)bool_var
2023-09-05 21:16 UTC (4+ messages)
` [Bug tree-optimization/107137] "
[Bug middle-end/98710] New: missing optimization (x | c) & ~(y | c) -> x & ~(y | c)
2023-09-05 21:16 UTC (4+ messages)
` [Bug middle-end/98710] "
[Bug tree-optimization/103536] New: Suboptimal codegen for && and || combination
2023-09-05 21:16 UTC (4+ messages)
` [Bug tree-optimization/103536] "
[Bug tree-optimization/111292] New: Missed Dead Code Elimination since r14-2228-g02460c0b8c9
2023-09-05 21:06 UTC (3+ messages)
` [Bug tree-optimization/111292] [14 Regression] "
[Bug tree-optimization/111294] New: [14 Regression] Missed Dead Code Elimination since r14-573-g69f1a8af45d
2023-09-05 21:02 UTC (6+ messages)
` [Bug tree-optimization/111294] "
[Bug tree-optimization/105832] New: Dead Code Elimination Regression at -O3 (trunk vs. 12.1.0)
2023-09-05 20:59 UTC (6+ messages)
` [Bug tree-optimization/105832] [13/14 Regression] "
[Bug tree-optimization/96694] New: Failure to optimize min/max pattern using two binary nots to min/max pattern using one binary not
2023-09-05 20:59 UTC (4+ messages)
` [Bug tree-optimization/96694] "
[Bug middle-end/19987] [meta-bug] fold missing optimizations in general
2023-09-05 20:59 UTC
[Bug c++/111297] New: missed optimization: [[unlikely]] attribute has no effect at -O2/-O3/-Ofast
2023-09-05 20:45 UTC (2+ messages)
` [Bug ipa/111297] missed optimization: [[unlikely]] attribute has no effect at -O2/-O3/-Ofast due to ICF
[Bug ipa/106716] Identical Code Folding (-fipa-icf) confuses between functions with different [[likely]] attributes
2023-09-05 20:45 UTC
[Bug c++/111281] New: unhelpful warning output ('nonnull' argument 'v' compared to NULL)
2023-09-05 20:15 UTC (9+ messages)
` [Bug c++/111281] "
[Bug c++/111284] New: Some passing-by-value parameters are miscompiled since GCC 9
2023-09-05 19:27 UTC (7+ messages)
` [Bug c++/111284] [11/12/13/14 Regression] Some passing-by-value parameters are mishandled "
[Bug c++/91483] Poor diagnostic on trying to take constexpr reference to non-static object
2023-09-05 18:32 UTC (2+ messages)
[Bug middle-end/111295] New: RISC-V vector ICE in vsetvl pass
2023-09-05 18:10 UTC (2+ messages)
` [Bug target/111295] "
[Bug middle-end/111296] New: RISC-V vector: ICE in lra_split_hard_reg_for during reload pass
2023-09-05 18:02 UTC (2+ messages)
` [Bug middle-end/111296] "
[Bug tree-optimization/111293] New: [14 Regression] Missed Dead Code Elimination since r14-3414-g0cfc9c953d0
2023-09-05 17:40 UTC (4+ messages)
` [Bug tree-optimization/111293] "
[Bug target/111231] New: armhf: Miscompilation at O2 level
2023-09-05 16:24 UTC (2+ messages)
` [Bug target/111231] armhf: Miscompilation at O2 level (O1 is working)
[Bug c++/52953] New: g++-4.7.0 fails to detect function parameter name redeclarations
2023-09-05 15:42 UTC (4+ messages)
` [Bug c++/52953] function parameter name redeclarations not detected
[Bug c++/111277] New: braced-init-list allowed in a template-argument
2023-09-05 14:27 UTC (2+ messages)
` [Bug c++/111277] GCC fails to reject braced-init-list "
[Bug c++/111286] New: ICE on functional cast to const array reference
2023-09-05 14:19 UTC (3+ messages)
` [Bug c++/111286] [12/13/14 Regression] ICE on functional cast empty brace-init-list "
[Bug fortran/111291] New: ASAN error: heap-use-after-free gcc/fortran/parse.cc:359 in decode_statement
2023-09-05 12:58 UTC
[Bug target/111268] New: internal compiler error: in to_constant, at poly-int.h:504
2023-09-05 9:19 UTC (3+ messages)
` [Bug tree-optimization/111268] [14 Regression] "
[Bug tree-optimization/110935] New: Missed BB reduction vectorization because of missed eliding of a permute
2023-09-05 9:01 UTC (2+ messages)
` [Bug tree-optimization/110935] "
[Bug middle-end/111290] New: [11/12/13/14 Regression] Wrong code at -O0 on x86_64-pc-linux-gnu
2023-09-05 6:49 UTC (3+ messages)
` [Bug middle-end/111290] "
[Bug c++/111274] New: ice in fixup_blocks_walker with -O1 and -fopenmp
2023-09-05 5:10 UTC (12+ messages)
` [Bug c++/111274] "
[Bug target/93006] Better code with a-- == 0 rather than --a == -1
2023-09-05 4:34 UTC
[Bug tree-optimization/109638] New: unsigned > 1 ? 0 : n is not optimized to n == 1
2023-09-05 4:25 UTC (2+ messages)
` [Bug tree-optimization/109638] "
[Bug fortran/111022] New: ES0.0E0 format gave ES0.dE0 output with d too high
2023-09-05 2:57 UTC (6+ messages)
` [Bug libfortran/111022] "
[Bug analyzer/111289] New: Unwarranted -Wanalyzer-va-arg-type-mismatch warning
2023-09-05 0:02 UTC
[Bug other/111288] New: formatting mistake in HTML documentation
2023-09-04 21:04 UTC (5+ messages)
` [Bug other/111288] "
[Bug libstdc++/111238] New: libstdc++ tests should use -Wl,-gc-sections in more configurations
2023-09-04 20:50 UTC (3+ messages)
` [Bug libstdc++/111238] "
[Bug other/111287] New: doc: "strict ISO mode" definition is not up-to-date
2023-09-04 20:29 UTC (2+ messages)
` [Bug other/111287] "
[Bug target/111071] New: gcc.target/aarch64/sve/acle/aarch64-sve-acle-asm.exp has new failures since commit e7a36e4715c7
2023-09-04 18:57 UTC (2+ messages)
` [Bug testsuite/111071] [14 Regression] "
[Bug tree-optimization/110009] New: Another missing ABS detection
2023-09-04 18:10 UTC (6+ messages)
` [Bug tree-optimization/110009] "
[Bug tree-optimization/111285] New: vector ABSU is lowered incorrectly
2023-09-04 17:35 UTC
[Bug libstdc++/26142] global debug namespace clashes everywhere
2023-09-04 16:29 UTC
[Bug c++/111279] New: ICE: Segmentation fault with m68k,SJLJ and -malign-int
2023-09-04 13:21 UTC (4+ messages)
` [Bug target/111279] "
[Bug tree-optimization/109393] New: Very trivial address calculation does not fold
2023-09-04 13:06 UTC (3+ messages)
` [Bug c/109393] "
[Bug middle-end/100059] New: [OpenMP] wrong code with 'declare target link' and a scalar variable
2023-09-04 12:57 UTC (3+ messages)
` [Bug middle-end/100059] "
` [Bug other/100059] "
[Bug libstdc++/111258] New: std::string cannot to be moved in constant evaluated expression
2023-09-04 11:18 UTC (2+ messages)
` [Bug libstdc++/111258] "
[Bug ada/111283] New: gnat bootstrap broken on trunk 20230902 on 32bit targets
2023-09-04 11:04 UTC (8+ messages)
` [Bug ada/111283] "
` [Bug ipa/111283] [14 Regression] "
` [Bug ipa/111283] [14 Regression] gnat profilebootstrap "
[Bug c++/111272] New: Truncated error messages with -std=c++23 and -std=c++26
2023-09-04 10:50 UTC (3+ messages)
` [Bug c++/111272] [13/14 Regression] "
[Bug tree-optimization/98907] New: Failure to optimize abs pattern
2023-09-04 9:10 UTC (2+ messages)
` [Bug tree-optimization/98907] "
[Bug tree-optimization/110010] New: (a>>N) != (b>>N) is not optimized to (a^b) >= (1<<N)
2023-09-04 7:57 UTC (2+ messages)
` [Bug tree-optimization/110010] "
[Bug tree-optimization/111148] New: Missing boolean optimizations due to comparisons
2023-09-04 7:34 UTC (2+ messages)
` [Bug tree-optimization/111148] "
[Bug tree-optimization/111282] New: `a & (b ^ ~a)` (or `a & ~(a ^ b)`) not optimized to `a & b` in gimple
2023-09-04 7:26 UTC (4+ messages)
` [Bug tree-optimization/111282] "
[Bug tree-optimization/110919] New: [14 Regression] Dead Code Elimination Regression at -O3 since r14-1691-gbc5a2c2e793
2023-09-04 6:55 UTC (4+ messages)
` [Bug tree-optimization/110919] "
[Bug target/110066] New: [RISC-V] Segment fault if compiled with -static -pg
2023-09-04 6:26 UTC (2+ messages)
` [Bug target/110066] [13 Regression] "
[Bug tree-optimization/96703] New: Failure to optimize combined comparison of variables and of variable with 0 to two comparisons with 0
2023-09-04 4:31 UTC (2+ messages)
` [Bug tree-optimization/96703] "
[Bug tree-optimization/96702] New: Failure to optimize comparisons involving result of subtraction
2023-09-04 3:50 UTC (5+ messages)
` [Bug tree-optimization/96702] "
[Bug middle-end/90323] powerpc should convert equivalent sequences to vec_sel()
2023-09-04 3:28 UTC
[Bug tree-optimization/108757] New: We do not simplify (a - (N*M)) / N + M -> a / N
2023-09-04 3:26 UTC (3+ messages)
` [Bug tree-optimization/108757] "
[Bug tree-optimization/111280] New: CLZ(0) generated when CLZ_DEFINED_VALUE_AT_ZERO is false
2023-09-04 1:11 UTC (3+ messages)
` [Bug tree-optimization/111280] "
[Bug tree-optimization/56003] New: SCEV should thread flags ^= 0x80000000 as an addition to discover an IV var
2023-09-04 0:41 UTC (2+ messages)
` [Bug tree-optimization/56003] "
[Bug tree-optimization/111275] New: ifcombine and reassociation does not like to produce `a ^ b` sometimes
2023-09-03 21:50 UTC (3+ messages)
` [Bug tree-optimization/111275] "
[Bug middle-end/111278] New: error: call to ‘...’ declared with attribute error: code path is reachable with -Og, but not -O2
2023-09-03 20:43 UTC (6+ messages)
` [Bug middle-end/111278] "
[Bug c++/57905] New: braced-init-list allowed in default template-argument
2023-09-03 17:01 UTC (2+ messages)
` [Bug c++/57905] "
[Bug tree-optimization/111276] New: rewrite_to_defined_overflow rewrites already defined code
2023-09-03 16:19 UTC (3+ messages)
` [Bug tree-optimization/111276] "
[Bug libstdc++/83077] sso-string @ gnu-versioned-namespace
2023-09-03 12:22 UTC (4+ messages)
[Bug libstdc++/65762] New: --with-default-libstdcxx-abi=c++11 is silently ignored when --disable-libstdcxx-dual-abi is used
2023-09-03 12:12 UTC (2+ messages)
` [Bug libstdc++/65762] "
[Bug c++/111273] New: Spurious array-bounds error when copying data using _GLIBCXX_DEBUG iterators
2023-09-03 12:06 UTC (3+ messages)
` [Bug tree-optimization/111273] "
[Bug c/111043] New: ICE in adjust_loop_info_after_peeling, at tree-ssa-loop-ivcanon.cc:1068
2023-09-03 10:06 UTC (2+ messages)
` [Bug tree-optimization/111043] [14 regression] "
[Bug rtl-optimization/31889] compiler misses opportunity to combine multiple identical function return paths
2023-09-03 3:44 UTC
[Bug middle-end/63311] New: [4.9/5 Regression] -O1 optimization introduces valgrind warning
2023-09-03 3:39 UTC (2+ messages)
` [Bug middle-end/63311] [11/12 "
[Bug tree-optimization/67628] New: [tree-optimization] (a && b) && c shows better codegen than a && (b && c)
2023-09-03 3:29 UTC (2+ messages)
` [Bug tree-optimization/67628] "
[Bug tree-optimization/25643] VRP does not remove -fbounds-check for Fortran
2023-09-03 3:24 UTC
[Bug c++/102609] New: [C++23] P0847R7 - Deducing this
2023-09-02 22:30 UTC (3+ messages)
` [Bug c++/102609] "
[Bug tree-optimization/99199] New: [9/10/11 Regression] Very large boolean expression leads to quite a few return statements
2023-09-02 21:15 UTC (2+ messages)
` [Bug rtl-optimization/99199] [11/12/13/14 "
[Bug tree-optimization/110413] New: [14 Regression] Missed Dead Code Elimination when using __builtin_unreachable since r14-1880-g827e208fa64
2023-09-02 20:52 UTC (2+ messages)
` [Bug tree-optimization/110413] "
[Bug middle-end/104986] New: [12 Regression] bogus writing 1 byte into a region of size 0 with -fwrapv and -O2 -fpeel-loops
2023-09-02 20:02 UTC (2+ messages)
` [Bug middle-end/104986] [12/13/14 Regression] bogus writing 1 byte into a region of size 0 with -fwrapv and -O2 -fpeel-loops since r12-4698-gf6d012338bf87f42
[Bug c/52708] New: suboptimal code with __builtin_constant_p
2023-09-02 18:25 UTC (2+ messages)
` [Bug tree-optimization/52708] "
[Bug tree-optimization/110131] New: [13/14 Regression] Missed Dead Code Elimination when using __builtin_unreachable since r12-6924-gc2b610e7c6c
2023-09-02 17:43 UTC (3+ messages)
` [Bug tree-optimization/110131] [12/13/14 "
[Bug analyzer/110529] New: -Wanalyzer-null-dereference false nagetive with `*arr[0] = 10086`
2023-09-02 14:24 UTC (2+ messages)
` [Bug analyzer/110529] Analyzer fails to handle computed goto
[Bug analyzer/111213] New: -Wanalyzer-out-of-bounds false negative with `return arr[9];`
2023-09-02 14:12 UTC (2+ messages)
` [Bug analyzer/111213] -Wanalyzer-out-of-bounds false negative with `return arr[9];` at -O1 and above
[Bug tree-optimization/107765] New: missing (int)-(unsigned)int_val to just -int_val if int_val is known not to contain INT_MIN
2023-09-02 7:29 UTC (3+ messages)
` [Bug tree-optimization/107765] "
[Bug libstdc++/111050] New: [11/12/13/14 Regression] ABI break in _Hash_node_value_base since GCC 11
2023-09-02 7:20 UTC (3+ messages)
` [Bug libstdc++/111050] "
[Bug middle-end/110989] New: RISC-V vector ICE due to invalid tree code in GIMPLE vect pass
2023-09-02 3:22 UTC (2+ messages)
` [Bug middle-end/110989] "
[Bug tree-optimization/110817] New: [14 Regression] wrong code with vector compares on multiple targets
2023-09-02 2:33 UTC (5+ messages)
` [Bug tree-optimization/110817] [14 Regression] wrong code with vector compares and vector lowering
[Bug c/111269] New: Confusing location of error in source code
2023-09-02 0:29 UTC (3+ messages)
` [Bug c/111269] location for non-constant expressions inside static assert could be better
[Bug tree-optimization/107876] New: [13 Regression] ICE in verify_dominators, at dominance.cc:1184 (error: dominator of 4 should be 14, not 16)
2023-09-01 21:43 UTC (2+ messages)
` [Bug tree-optimization/107876] [13 Regression] ICE in verify_dominators, at dominance.cc:1184 (error: dominator of 4 should be 14, not 16) since r13-3749-g7314b98b1bcd382c
[Bug other/111264] New: [14 regression] gcc.dg/plugin/analyzer_cpython_plugin.c breaks after r14-3580-g597b9ec69bca8a
2023-09-01 21:32 UTC (2+ messages)
` [Bug testsuite/111264] "
[Bug libstdc++/110572] New: ld.lld: error: duplicate symbol: std::type_info::operator==(std::type_info const&) const
2023-09-01 21:30 UTC (2+ messages)
` [Bug libstdc++/110572] "
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