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[Bug tree-optimization/101009] New: wrong code with "-O3 -fno-tree-sra"
2021-09-06 10:18 UTC (3+ messages)
` [Bug tree-optimization/101009] [10 Regression] "
[Bug tree-optimization/101394] New: ICE on valid code with -O2: SSA corruption: Unable to coalesce ssa_names 10 and 19 which are marked as MUST COALESCE
2021-09-06 10:18 UTC (2+ messages)
` [Bug tree-optimization/101394] [9/10 Regression] "
[Bug tree-optimization/101291] New: turns infinite loop into finite
2021-09-06 10:18 UTC (2+ messages)
` [Bug tree-optimization/101291] [10 Regression] "
[Bug tree-optimization/101173] New: wrong code at -O3 on x86_64-linux-gnu
2021-09-06 10:18 UTC (2+ messages)
` [Bug tree-optimization/101173] [9/10 Regression] "
[Bug tree-optimization/101280] New: [12 Regression] TSVC s231 slower with -Ofast -march=znver1 since r12-1836-g0ad9d88a3d7170b3
2021-09-06 10:18 UTC (2+ messages)
` [Bug tree-optimization/101280] "
[Bug tree-optimization/101105] New: wrong code at -O3 on x86_64-linux-gnu
2021-09-06 10:18 UTC (2+ messages)
` [Bug tree-optimization/101105] [9/10 Regression] "
[Bug tree-optimization/102216] New: False positive warray-bounds with -O2
2021-09-06 10:14 UTC
[Bug c/101018] New: ICE when enabling OpenMP on a simple loop with SVE intrinsics (aarch64)
2021-09-06 10:03 UTC (2+ messages)
` [Bug middle-end/101018] "
[Bug target/102215] New: [GCN offloading] Missing '__atomic_compare_exchange_1' etc
2021-09-06 9:59 UTC (2+ messages)
` [Bug target/102215] "
[Bug middle-end/102206] New: amd zen hosts running zen-optimized gcc: gimplification ICE after 94e24187
2021-09-06 9:39 UTC (13+ messages)
` [Bug middle-end/102206] "
` [Bug middle-end/102206] amd zen hosts running zen-optimized gcc: gimplification ICE after r10-7284
[Bug c++/102214] New: ICE when compiling local class with -fno-weak
2021-09-06 9:34 UTC (2+ messages)
` [Bug c++/102214] [9/10/11/12 Regression] "
[Bug c++/86303] Constructor is not used for type conversion
2021-09-06 9:27 UTC
[Bug c++/90390] incorrect list initialization behavior for references
2021-09-06 9:23 UTC
[Bug target/96127] New: ICE in extract_insn, at recog.c:2294
2021-09-06 9:23 UTC (2+ messages)
` [Bug target/96127] "
[Bug target/101505] New: [10/11/12 Regression] ICE: verify_gimple failed (error: incompatible types in 'PHI' argument 0)
2021-09-06 9:10 UTC (2+ messages)
` [Bug target/101505] [10 "
[Bug c++/63604] New: [C++11] A direct-initialization of a reference should use explicit conversion functions
2021-09-06 8:58 UTC (4+ messages)
` [Bug c++/63604] "
[Bug c++/85848] Incorrect handling of explicit casting to move-only types
2021-09-06 8:58 UTC
[Bug c++/66893] New: disallowed initialization of reference with user-defined conversion function
2021-09-06 8:53 UTC (2+ messages)
` [Bug c++/66893] disallowed initialization of reference with explicit "
[Bug c++/83615] A reference binding involving a qualification conversion is rejected
2021-09-06 8:53 UTC (5+ messages)
` [Bug c++/83615] A reference binding involving an explicit conversion operator rejected
[Bug c++/98554] New: why the explicit conversion function of derived class return type is not a candidate in the context of direct-initialization
2021-09-06 8:52 UTC (2+ messages)
` [Bug c++/98554] why the explicit conversion function whose return type is a derived class is not a candidate in the context of direct-initialization for an object of class type
[Bug c++/102212] New: The explicit conversion function should be permitted in direct-initialization of a reference
2021-09-06 8:52 UTC (3+ messages)
` [Bug c++/102212] "
[Bug c++/102213] New: Incorrect executable produced from valid input code with virtual consteval
2021-09-06 8:51 UTC
[Bug ada/101947] New: [12 Regression] Broken Ada bootstrap in get_base_type_offset, at dwarf2out.c:4330
2021-09-06 8:51 UTC (3+ messages)
` [Bug debug/101947] [12 Regression] broken LTO bootstrap in get_base_type_offset "
[Bug tree-optimization/102046] New: [12 Regression] ICE: tree check: expected class 'type', have 'exceptional' (error_mark) in useless_type_conversion_p, at gimple-expr.c:87 with -O3 -march=btver2
2021-09-06 8:50 UTC (2+ messages)
` [Bug tree-optimization/102046] [10/11 Regression] ICE: tree check: expected class 'type', have 'exceptional' (error_mark) in useless_type_conversion_p, at gimple-expr.c:87 with -O3 -march=btver2 since r12-1372-ga325bdd195ee96f8
[Bug c/101925] New: reversed storage order when compiling with -O3 only
2021-09-06 8:50 UTC (2+ messages)
` [Bug tree-optimization/101925] [10/11 Regression] reversed storage order when compiling with -O3 only since r10-4742-g9b75f56d4b7951c6
[Bug fortran/101824] New: VOLATILE not honored
2021-09-06 8:50 UTC (2+ messages)
` [Bug tree-optimization/101824] [9/10/11 Regression] "
[Bug target/102205] New: vec<int> + 1 could be done as vec<int> - (-1)
2021-09-06 8:35 UTC (3+ messages)
` [Bug target/102205] "
[Bug tree-optimization/65964] New: [meta] Operand Shortening
2021-09-06 8:29 UTC (2+ messages)
` [Bug tree-optimization/65964] [meta-bug] "
[Bug rtl-optimization/17935] Two consecutive movzbl are generated
2021-09-06 8:29 UTC
[Bug target/102202] New: Inefficent expansion of memset when range is [0,1]
2021-09-06 8:28 UTC (4+ messages)
` [Bug target/102202] "
[Bug c/102200] New: ice in put_ref, at pointer-query.cc:1351
2021-09-06 8:22 UTC (3+ messages)
` [Bug tree-optimization/102200] [12 Regression] ice in put_ref, at pointer-query.cc:1351 since r12-3300-gece28da924ddda8b
[Bug debug/102195] New: Missing DW_TAG_typedef when using qualified variable of typedef'd array
2021-09-06 8:20 UTC (2+ messages)
` [Bug debug/102195] "
[Bug bootstrap/102186] New: [12 Regression] Broken bootstrap: soft-fp/half.h:62:1: error: unable to emulate ‘HF’ since r12-3308-ge42d2d2a20f2bb59928bc895ec9f46503a1b5c73
2021-09-06 8:15 UTC (3+ messages)
` [Bug target/102186] "
[Bug tree-optimization/102207] New: [12 Regression] wrong code with __builtin_sub_overflow() at -O1 and above with uint128
2021-09-06 8:13 UTC (5+ messages)
` [Bug tree-optimization/102207] "
[Bug driver/13071] no easy way to exclude backward C++ headers from include path
2021-09-06 7:53 UTC (2+ messages)
[Bug middle-end/63184] New: [4.8/4.9/5 Regression] Fails to simplify comparison
2021-09-06 7:48 UTC (6+ messages)
` [Bug middle-end/63184] [9/10/11/12 "
[Bug middle-end/14840] fold tree_code_type[CST] and tree_code_length[CST] in GCC itself
2021-09-06 7:02 UTC
[Bug tree-optimization/102176] New: BB SLP scalar costing is off with extern promoted nodes
2021-09-06 6:56 UTC (3+ messages)
` [Bug tree-optimization/102176] "
[Bug tree-optimization/10980] vararg functions are not inlined
2021-09-06 6:50 UTC
[Bug debug/7853] gcc reports multiple symbol definitions on the wrong line
2021-09-06 6:45 UTC
[Bug tree-optimization/102178] New: SPECFP 2006 470.lbm regressions on AMD Zen CPUs after r12-897-gde56f95afaaa22
2021-09-06 6:41 UTC (3+ messages)
` [Bug tree-optimization/102178] "
` [Bug tree-optimization/102178] [12 Regression] "
[Bug bootstrap/4284] gcc-lib directory not configurable thru configure
2021-09-06 6:25 UTC
[Bug driver/2252] If 'as' crashes gcc points you to the gcc bug site
2021-09-06 6:21 UTC
[Bug c++/99] Bug in template type in error message
2021-09-06 6:14 UTC
[Bug other/1634] Request for gcc-cvs-patches list
2021-09-06 6:10 UTC
[Bug target/82139] unnecessary movapd with _mm_castsi128_pd to use BLENDPD on __m128i results
2021-09-06 6:09 UTC
[Bug target/88473] AVX512: constant folding on mask does not remove unnecessary instructions
2021-09-06 5:24 UTC (3+ messages)
[Bug target/102211] New: ICE introduced by r12-3277
2021-09-06 4:50 UTC (3+ messages)
` [Bug target/102211] "
[Bug tree-optimization/84794] memcpy/memmove between a struct and its first member not eliminated
2021-09-06 2:43 UTC (2+ messages)
[Bug bootstrap/89140] libiberty/pex-unix.c fails to compile in aarch64-to-x86_64 cross build
2021-09-06 2:42 UTC
[Bug tree-optimization/59660] New: We fail to optimize common boolean checks pre-inlining
2021-09-06 0:36 UTC (2+ messages)
` [Bug tree-optimization/59660] "
[Bug middle-end/46555] New: PHI RTL expansion leads to CSiBE regression
2021-09-05 22:35 UTC (2+ messages)
` [Bug middle-end/46555] [9/10/11/12 Regression] "
[Bug c/102210] New: Invalid assembly generated while building OpenSSH on hppa64-hp-hpux11.23
2021-09-05 22:32 UTC
[Bug c/100702] New: Strict overflow warning regression in gcc 8 onwards
2021-09-05 22:22 UTC (3+ messages)
` [Bug middle-end/100702] "
[Bug tree-optimization/80511] [9/10/11/12 Regression] gcc.dg/Wstrict-overflow-18.c gcc.dg/Wstrict-overflow-7.c gcc.dg/pragma-diag-3.c
2021-09-05 22:22 UTC
[Bug fortran/100950] New: ICE in output_constructor_regular_field, at varasm.c:5514
2021-09-05 20:22 UTC (4+ messages)
` [Bug fortran/100950] "
[Bug c++/102209] New: NRVO for function parameters
2021-09-05 19:55 UTC
[Bug c/91038] ICE with VLA type and statement expression (gimplify_var_or_parm_decl)
2021-09-05 19:17 UTC
[Bug c/29970] mixing ({...}) with VLA leads to massive breakage
2021-09-05 19:16 UTC
[Bug rtl-optimization/95859] New: Statically true asserts not recognized as such with -O2, but with -O1, -Og, -O3
2021-09-05 17:54 UTC (2+ messages)
` [Bug ipa/95859] [10/11/12 regression] "
[Bug ipa/98265] New: gcc-10 has significantly worse code generated with -O2 compared to -O1 (or gcc-9 -O2) when using the Eigen C++ library
2021-09-05 17:54 UTC (2+ messages)
` [Bug ipa/98265] [10 Regression] "
[Bug ipa/94762] New: ICE: Segmentation fault (in is_tm_irrevocable)
2021-09-05 17:48 UTC (2+ messages)
` [Bug ipa/94762] [9/10/11/12 Regression] ICE: Segmentation fault (in is_tm_irrevocable) since r7-1710-g849a76a5a20db383
[Bug ipa/80277] ipa-icf overlooking functions with identical assemble and semantics
2021-09-05 17:32 UTC
[Bug tree-optimization/57218] New: Excessive inlining even at -Os
2021-09-05 17:24 UTC (2+ messages)
` [Bug ipa/57218] [9/10/11/12 Regression] "
[Bug middle-end/90408] >= -O2 suddenly generates code
2021-09-05 16:44 UTC (4+ messages)
[Bug c++/102208] New: Acceptance of invalid decltype(auto) in the default operator <=>
2021-09-05 12:55 UTC
[Bug c++/94501] New: bogus "no matches converting function ... to type ..." error with variadic function template
2021-09-05 11:27 UTC (2+ messages)
` [Bug c++/94501] arrays are not decaying to pointers in variadic function template for conversion to a function pointer
[Bug demangler/102132] New: [nm] Stack overflow in demangler_path
2021-09-05 11:00 UTC (2+ messages)
` [Bug demangler/102132] "
[Bug demangler/102130] New: [c++filt] Stack overflow in demangle_path
2021-09-05 10:57 UTC (2+ messages)
` [Bug demangler/102130] "
[Bug tree-optimization/90625] fold strcmp(a, b) == 0 to zero for strings of unequal but non-const lengths
2021-09-05 8:35 UTC
[Bug tree-optimization/90768] better range analysis for converting bit tests into less-than greater-than
2021-09-05 8:32 UTC
[Bug tree-optimization/81772] Compile-time snprintf optimization
2021-09-05 8:22 UTC
[Bug target/68211] Free __m128d subreg of double
2021-09-05 8:13 UTC
[Bug middle-end/87595] __tls_get_addr should be __attribute__((__noplt__))
2021-09-05 8:01 UTC
[Bug target/89954] missed optimization for signed extension for x86-64
2021-09-05 7:01 UTC
[Bug middle-end/82170] gcc optimizes int range-checking poorly on x86-64
2021-09-05 6:51 UTC
[Bug tree-optimization/86708] strlen of an empty aggregate element or member string not folded
2021-09-05 6:41 UTC
[Bug tree-optimization/83819] [meta-bug] missing strlen optimizations
2021-09-05 6:41 UTC
[Bug middle-end/88971] Branch optimization inconsistency (missed optimization)
2021-09-05 6:11 UTC (2+ messages)
` [Bug ipa/88971] "
[Bug tree-optimization/83190] missing strlen optimization of the empty string
2021-09-05 5:47 UTC
[Bug tree-optimization/82911] missing strlen optimization for strncpy with constant strings and constant bound
2021-09-05 5:45 UTC
[Bug rtl-optimization/93525] Left shift and arithmetic shift could be futher simplified in simplify-rtx.c
2021-09-05 5:37 UTC
[Bug tree-optimization/93539] memmove over self with result of string function not eliminated
2021-09-05 5:36 UTC
[Bug tree-optimization/93556] lower mempcpy to memcpy when result is unused
2021-09-05 5:32 UTC
[Bug tree-optimization/93560] strstr(s, s) not folded to s
2021-09-05 5:09 UTC
[Bug target/93737] inline memmove for insertion into small arrays
2021-09-05 5:06 UTC
[Bug target/93396] [RX] tail call optimization does not work with indirect call
2021-09-05 5:05 UTC
[Bug middle-end/91409] Missed optimization on `labels as values` expression
2021-09-05 4:58 UTC
[Bug middle-end/52082] New: Memory loads not rematerialized
2021-09-05 4:52 UTC (2+ messages)
` [Bug rtl-optimization/52082] "
[Bug target/91103] AVX512 vector element extract uses more than 1 shuffle instruction; VALIGND can grab any element
2021-09-05 4:32 UTC
[Bug ipa/88231] aligned functions laid down inefficiently
2021-09-05 4:30 UTC
[Bug tree-optimization/89043] strcat (strcpy (d, a), b) not folded to stpcpy (strcpy (d, a), b)
2021-09-05 4:29 UTC
[Bug tree-optimization/86604] phiopt missed optimization of conditional add
2021-09-05 4:17 UTC
[Bug tree-optimization/86241] duplicate strlen-like snprintf calls not folded
2021-09-05 4:07 UTC
[Bug tree-optimization/86339] DOM does not handle RHS COND_EXPRs well
2021-09-05 4:06 UTC
[Bug tree-optimization/85116] std::min_element does not optimize well with inlined predicate
2021-09-05 4:05 UTC
[Bug middle-end/86085] I/O built-ins considered argument clobbers
2021-09-05 3:58 UTC (2+ messages)
[Bug target/85324] missing constant propagation on SSE/AVX conversion intrinsics
2021-09-05 3:35 UTC
[Bug c++/102204] New: OpenMP offload map type restriction
2021-09-05 3:30 UTC
[Bug c++/98869] New: Allowing mapping this in OpenMP target
2021-09-05 3:22 UTC (2+ messages)
` [Bug c++/98869] "
[Bug middle-end/84756] Multiplication done twice just to get upper and lower parts of product
2021-09-05 3:16 UTC
[Bug ipa/84312] Variadic function without named argument not inlined
2021-09-05 3:11 UTC
[Bug tree-optimization/85406] Unnecessary blend when vectorizing short-cutted calculations
2021-09-05 2:58 UTC
[Bug rtl-optimization/80301] Sub-optimal code with an array of structs offsetted inside a struct global on x86/x86_64 at -O2
2021-09-05 1:39 UTC
[Bug target/102203] New: __builtin_memset and __builtin_memcpy could be expanded inline if range is known to be small
2021-09-05 1:28 UTC
[Bug tree-optimization/66646] New: small loop turned into memmove because of tree ldist
2021-09-05 1:01 UTC (2+ messages)
` [Bug tree-optimization/66646] "
[Bug target/101059] New: v4sf reduction not optimal
2021-09-05 0:58 UTC (2+ messages)
` [Bug target/101059] "
[Bug tree-optimization/93745] Redundant store not eliminated with intermediate instruction
2021-09-05 0:34 UTC
[Bug tree-optimization/95410] New: Failure to optimize compare next to and properly
2021-09-05 0:33 UTC (2+ messages)
` [Bug tree-optimization/95410] "
[Bug tree-optimization/99383] New: No tree-switch-conversion under PIC
2021-09-05 0:29 UTC (3+ messages)
` [Bug tree-optimization/99383] "
[Bug tree-optimization/84011] Optimize switch table with run-time relocation
2021-09-05 0:29 UTC
[Bug tree-optimization/93326] switch optimisation of multiple jumptables into a lookup
2021-09-05 0:27 UTC
[Bug middle-end/98357] New: Bounds check not eliminated
2021-09-05 0:21 UTC (2+ messages)
` [Bug tree-optimization/98357] "
[Bug tree-optimization/85316] [meta-bug] VRP range propagation missed cases
2021-09-05 0:21 UTC (2+ messages)
[Bug tree-optimization/94846] New: Failure to optimize jnc+inc into adc
2021-09-05 0:13 UTC (2+ messages)
` [Bug tree-optimization/94846] "
[Bug target/98453] New: aarch64: Missed opportunity for STP for vec_duplicate
2021-09-05 0:07 UTC (2+ messages)
` [Bug target/98453] "
[Bug tree-optimization/95527] New: Failure to optimize __builtin_ffs == 0
2021-09-05 0:03 UTC (2+ messages)
` [Bug tree-optimization/95527] "
[Bug middle-end/19987] [meta-bug] fold missing optimizations in general
2021-09-05 0:03 UTC (2+ messages)
[Bug tree-optimization/85375] possible missed optimisation / regression from 6.3 with while (__builtin_ffs(x) && x)
2021-09-05 0:03 UTC
[Bug rtl-optimization/94798] New: Failure to optimize subtraction and 0 literal properly
2021-09-04 23:57 UTC (2+ messages)
` [Bug rtl-optimization/94798] "
[Bug tree-optimization/97603] New: Failure to optimize out compare into reuse of subtraction result
2021-09-04 23:52 UTC (2+ messages)
` [Bug rtl-optimization/97603] "
[Bug tree-optimization/95433] New: Failure to completely optimize simple compare after operations
2021-09-04 23:39 UTC (2+ messages)
` [Bug tree-optimization/95433] "
[Bug tree-optimization/18487] Warnings for pure and const functions that are not actually pure or const
2021-09-04 22:25 UTC (2+ messages)
[Bug tree-optimization/94789] New: Failure to take advantage of shift operand semantics to turn subtraction into negate
2021-09-04 22:21 UTC (2+ messages)
` [Bug target/94789] "
[Bug middle-end/92080] Missed CSE of _mm512_set1_epi8(c) with _mm256_set1_epi8(c)
2021-09-04 22:17 UTC
[Bug target/82298] x86 BMI: no peephole for BZHI
2021-09-04 22:01 UTC
[Bug target/93346] gcc does not generate BZHI
2021-09-04 22:01 UTC (2+ messages)
[Bug tree-optimization/99082] New: manual bit-field creation followed by manual extraction does not always produce good code
2021-09-04 21:53 UTC (2+ messages)
` [Bug tree-optimization/99082] "
[Bug c/97286] New: GCC sometimes uses an extra xmm register for the destination of _mm_blend_ps
2021-09-04 21:49 UTC (2+ messages)
` [Bug target/97286] "
[Bug target/95974] New: AArch64 arm_neon.h stores interfere with gimple optimisations
2021-09-04 21:38 UTC (2+ messages)
` [Bug target/95974] "
[Bug tree-optimization/94834] New: Failure to optimize loop bswap pattern
2021-09-04 21:33 UTC (2+ messages)
` [Bug tree-optimization/94834] "
[Bug tree-optimization/89811] uint32_t load is not recognized if shifts are done in a fixed-size loop
2021-09-04 21:33 UTC (2+ messages)
[Bug target/93885] Spurious instruction kshiftlw issued
2021-09-04 21:31 UTC
[Bug middle-end/91899] Merge constant literals
2021-09-04 21:20 UTC
[Bug target/85539] x86_64: loads are not always narrowed
2021-09-04 21:17 UTC
[Bug middle-end/90424] memcpy into vector builtin not optimized
2021-09-04 21:02 UTC
[Bug tree-optimization/93040] gcc doesn't optimize unaligned accesses to a 16-bit value on the x86 as well as it does a 32-bit value (or clang)
2021-09-04 20:53 UTC (2+ messages)
[Bug tree-optimization/89809] movzwl is not utilized when uint16_t is loaded with bit-shifts (while memcpy does)
2021-09-04 20:53 UTC
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