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[Bug target/60919] New: gcc fails to tail call __builtin_ffsll
2021-08-16 6:38 UTC (2+ messages)
` [Bug middle-end/60919] [arm] "
[Bug c++/68257] Reject empty abi_tag attribute on inline namespace
2021-08-16 6:28 UTC
[Bug c++/101817] New: g++ apply optimization irrespective of -O0 flag is set
2021-08-16 6:22 UTC (2+ messages)
` [Bug c++/101817] "
[Bug tree-optimization/57634] New: Missed vectorization for a "fixed point multiplication" reduction
2021-08-16 6:07 UTC (2+ messages)
` [Bug tree-optimization/57634] "
[Bug libgcc/64245] New: libgcc for msp430 depends on unreleased binutils feature
2021-08-16 6:04 UTC (2+ messages)
` [Bug libgcc/64245] "
[Bug target/27619] wrong code for mixed-mode division with -mpowerpc64 -O1
2021-08-16 5:35 UTC (2+ messages)
[Bug target/58429] New: _Decimal64 support is broken on powerpc64 with the mode32 ABI (-m32 -mpowerpc64)
2021-08-16 5:34 UTC (2+ messages)
` [Bug target/58429] "
[Bug testsuite/101902] New: [12 regression] g++.dg/warn/uninit-1.C has excess errors after r12-2898
2021-08-16 5:30 UTC (2+ messages)
` [Bug testsuite/101902] "
[Bug bootstrap/53468] New: bootstrap fails on debian/amd64, unable to find crti.o and crtn.o
2021-08-16 5:21 UTC (2+ messages)
` [Bug bootstrap/53468] debian/ubuntu changed the location of libraries on the disk which broke bootstrap
[Bug tree-optimization/101929] New: r12-2549 regress x264_r by 4% on CLX
2021-08-16 5:21 UTC (3+ messages)
` [Bug tree-optimization/101929] "
` [Bug target/101929] "
[Bug debug/101928] New: Incorrect argument list for varardic functions
2021-08-16 5:02 UTC
[Bug target/101927] New: There is no vector mode popcount for aarch64
2021-08-16 5:02 UTC
[Bug other/68109] New: GCC fails to vectorize popcount on x86_64
2021-08-16 4:50 UTC (2+ messages)
` [Bug tree-optimization/68109] "
[Bug tree-optimization/54978] New: Add ability to provide vectorized functions
2021-08-16 4:44 UTC (2+ messages)
` [Bug tree-optimization/54978] "
[Bug tree-optimization/47860] New: is vectorization of "condition in nested loop" supported
2021-08-16 4:39 UTC (2+ messages)
` [Bug tree-optimization/47860] "
[Bug rtl-optimization/46391] New: false dependencies are computed after vectorization (#2)
2021-08-16 4:29 UTC (2+ messages)
` [Bug rtl-optimization/46391] "
[Bug other/36395] TARGET_VECTOR_ALIGNMENT_REACHABLE isn't documented
2021-08-16 4:28 UTC
[Bug middle-end/101926] New: [meta-bug] struct/complex argument passing and return should be improved
2021-08-16 2:13 UTC (2+ messages)
` [Bug middle-end/101926] "
[Bug target/88496] Unnecessary stack adjustment with -mavx512f
2021-08-16 2:13 UTC
[Bug target/88483] Unnecessary stack alignment
2021-08-16 2:13 UTC
[Bug middle-end/31271] Missing simple optimization
2021-08-16 1:37 UTC
[Bug middle-end/90216] Stack Pointer decrementing even when not loading extra data to stack
2021-08-16 1:14 UTC
[Bug target/95756] New: Failure to optimize memory operations with _Complex
2021-08-16 0:35 UTC (2+ messages)
` [Bug middle-end/95756] "
[Bug fortran/101871] New: Array of strings of different length passed as an argument produces invalid result
2021-08-16 0:30 UTC (3+ messages)
` [Bug fortran/101871] "
[Bug middle-end/87650] suboptimal codegen for testing low bit
2021-08-16 0:05 UTC (2+ messages)
[Bug middle-end/78947] sub-optimal code for (bool)(int ? int : int)
2021-08-15 23:53 UTC
[Bug c/101925] New: reversed storage order when compiling with -O3 only
2021-08-15 23:50 UTC (2+ messages)
` [Bug tree-optimization/101925] "
[Bug middle-end/80261] Worse code generated compared to clang with modulus operation
2021-08-15 23:40 UTC
[Bug middle-end/80006] loss of range information due to spurious widening conversion
2021-08-15 23:35 UTC
[Bug target/31667] Integer extensions vectorization could be improved
2021-08-15 23:28 UTC
[Bug tree-optimization/78327] Improve VRP for ranges for compares which do ranges of [-TYPE_MAX + N, N]
2021-08-15 23:21 UTC
[Bug tree-optimization/64567] New: missed optimization: redundant test before clearing bit(s)
2021-08-15 22:58 UTC (2+ messages)
` [Bug tree-optimization/64567] "
[Bug tree-optimization/60575] New: inefficient vectorization of compare into bytes on amd64
2021-08-15 22:51 UTC (2+ messages)
` [Bug tree-optimization/60575] "
[Bug target/91569] Optimisation test case and unnecessary XOR-OR pair instead of MOV
2021-08-15 22:35 UTC (3+ messages)
[Bug tree-optimization/63271] Should commute arithmetic with vector load
2021-08-15 22:34 UTC
[Bug tree-optimization/51780] New: Missed optimization for ==/!= comparison
2021-08-15 22:16 UTC (3+ messages)
` [Bug tree-optimization/51780] "
[Bug target/94871] New: Failure to convert cmpeqpd+pxor with -1 into cmpneqpd
2021-08-15 21:51 UTC (2+ messages)
` [Bug target/94871] "
[Bug target/88712] Optimization: mov edx, 0 not replaced with xor edx, edx in this case
2021-08-15 21:41 UTC
[Bug tree-optimization/96697] New: Failure to optimize mod+div to 0
2021-08-15 21:33 UTC (3+ messages)
` [Bug tree-optimization/96697] "
[Bug modula2/101387] New: Unconditional use of <sys/cdefs.h>
2021-08-15 21:29 UTC (3+ messages)
` [Bug modula2/101387] "
[Bug modula2/101388] New: Unconditional use of __MAX_BAUD
2021-08-15 21:29 UTC (3+ messages)
` [Bug modula2/101388] "
[Bug tree-optimization/85366] Failure to use both div and mod results of one IDIV in a prime-factor loop while(n%i==0) { n/=i; }
2021-08-15 21:24 UTC
[Bug bootstrap/95244] New: GCC 10 no longer builds on RHEL5 [trivial patch]
2021-08-15 20:53 UTC (3+ messages)
` [Bug sanitizer/95244] "
` [Bug sanitizer/95244] [10 Regression] "
[Bug c++/101904] New: Wrong result of decltype during instantiation of std::result_of
2021-08-15 20:42 UTC (3+ messages)
` [Bug c++/101904] "
[Bug c/100293] New: MinGW-w64 of nvptx offload engine fails
2021-08-15 19:20 UTC (2+ messages)
` [Bug target/100293] "
[Bug fortran/99351] New: ICE in gfc_finish_var_decl, at fortran/trans-decl.c:695
2021-08-15 18:13 UTC (2+ messages)
` [Bug fortran/99351] "
[Bug libstdc++/101923] New: std::function's move ctor is slower than the copy one for empty source objects
2021-08-15 17:54 UTC (3+ messages)
` [Bug libstdc++/101923] "
[Bug ada/101924] New: /usr/ccs/bin/ld: Unsatisfied symbols referenced
2021-08-15 16:51 UTC (2+ messages)
` [Bug ada/101924] /usr/ccs/bin/ld: Unsatisfied symbols: U_get_unwind_entry, U_IS_STUB_OR_CALLX, U_get_shLib_text_addr, U_is_shared_pc, U_init_frame_record, U_prep_frame_rec_for_unwind, U_get_shLib_unw_tbl, U_get_previous_frame_x and U_get_unwind_table
[PATCH] lib: bitmap: Mute some odd section mismatch warning in xtensa kernel build
2021-08-15 15:55 UTC
[Bug fortran/101918] New: LTO type mismatches for runtime library functions in mixed -fdefault-real-8 projects
2021-08-15 15:36 UTC (3+ messages)
` [Bug fortran/101918] "
[Bug target/82883] eax register unnecessary consumed
2021-08-15 13:43 UTC (2+ messages)
[Bug target/91591] Arc: ICE in trunc_int_for_mode, at explow.c:60
2021-08-15 12:55 UTC (2+ messages)
[Bug target/101922] New: mips: illegal instruction at -O3 with -mmsa -mloongson-mmi
2021-08-15 12:21 UTC (2+ messages)
` [Bug target/101922] "
[Bug middle-end/17958] expand_divmod fails to optimize division of 64-bit quantity by small constant when BITS_PER_WORD is 32
2021-08-15 12:14 UTC
[Bug target/61030] New: PowerPC 128 bit integer divide
2021-08-15 12:11 UTC (2+ messages)
` [Bug target/61030] "
[Bug middle-end/101521] New: -ftrapv should become something like -fsanitize=undefined -fsanitize-undefined-trap-on-error
2021-08-15 12:05 UTC (2+ messages)
` [Bug middle-end/101521] "
[Bug target/51178] New: FAIL: g++.dg/lookup/builtin5.C scan-assembler _ZSt5atanhd
2021-08-15 11:57 UTC (2+ messages)
` [Bug c++/51178] "
[Bug c++/101873] New: Compilation error of valid code with return local variable in C++20 mode
2021-08-15 11:56 UTC (2+ messages)
` [Bug c++/101873] "
[Bug libstdc++/57691] New: freestanding libstdc++ has compile error
2021-08-15 11:53 UTC (2+ messages)
` [Bug libstdc++/57691] "
[Bug c++/57699] New: Disable empty parameter list misinterpretation in libstdc++ headers when !defined(NO_IMPLICIT_EXTERN_C)
2021-08-15 11:53 UTC (2+ messages)
` [Bug c++/57699] "
[Bug target/37727] NO_IMPLICIT_EXTERN_C for newlib
2021-08-15 11:50 UTC
[Bug rtl-optimization/48580] New: missed optimization: integer overflow checks
2021-08-15 11:49 UTC (3+ messages)
` [Bug middle-end/48580] "
[Bug middle-end/91072] does not reduce the size of a division by a constant on non-negative int / small unsigned long constant
2021-08-15 11:45 UTC
[Bug c++/101921] New: G++ cannot find a template function with lambda as default template argument
2021-08-15 11:35 UTC (2+ messages)
` [Bug c++/101921] G++ cannot find a template function with lambda as default template argument inside a template
[Bug middle-end/37443] fast 64-bit divide by constant on 32-bit platform
2021-08-15 11:28 UTC
[Bug rtl-optimization/97459] New: __uint128_t remainder for division by 3
2021-08-15 11:24 UTC (2+ messages)
` [Bug rtl-optimization/97459] "
[Bug rtl-optimization/97282] New: division done twice for modulo and divsion for 128-bit integers
2021-08-15 11:23 UTC (2+ messages)
` [Bug rtl-optimization/97282] "
[Bug middle-end/89256] No optimized division by constant for __int128
2021-08-15 11:20 UTC
[Bug target/84759] Calculation of quotient and remainder with constant denominator uses __umoddi3+__udivdi3 instead of __udivmoddi4
2021-08-15 11:13 UTC
[Bug target/60900] New: ICE: in emit_library_call_value_1, at calls.c:4187 with -mabi=ms -mlong-double-128
2021-08-15 11:01 UTC (2+ messages)
` [Bug target/60900] "
[Bug target/82727] ICE in emit_library_call_value_1, at calls.c:4975
2021-08-15 11:01 UTC (3+ messages)
` [Bug target/82727] ICE with -mabi=ms -mlong-double-128 and conversion from long double to double inside a sysv_abi marked function
[Bug target/82730] extra store/reload of an XMM for every byte extracted
2021-08-15 10:51 UTC
[Bug c/46357] New: Unnecessary movzx instruction
2021-08-15 10:29 UTC (3+ messages)
` [Bug target/46357] "
[Bug target/81813] Inefficient stack pointer adjustment
2021-08-15 10:07 UTC (3+ messages)
[Bug c++/81760] attribute target uses the wrong default function argument
2021-08-15 9:22 UTC
[Bug tree-optimization/50417] New: regression: memcpy with known alignment
2021-08-15 9:13 UTC (2+ messages)
` [Bug tree-optimization/50417] [9/10/11/12 regression]: "
[Bug middle-end/101920] New: memcpy expansion treats unknown pointers as unaligned
2021-08-15 9:13 UTC (2+ messages)
` [Bug middle-end/101920] "
[Bug target/81496] AVX load from adjacent memory location followed by concatenation
2021-08-15 9:06 UTC
[Bug target/81034] [x86] Broken IRA pass when printing results of intrinsic execution
2021-08-15 8:50 UTC
[Bug fortran/101919] New: Inconsistent -Wstringop-overread warning with -flto
2021-08-15 8:43 UTC
[Bug fortran/101917] New: Spurious -Wstringop-overread with -flto when passing zero sized arrays
2021-08-15 8:40 UTC
[Bug regression/54390] New: [AVX] FAIL: gcc.dg/vect/no-tree-sra-bb-slp-pr50730.c
2021-08-15 8:11 UTC (2+ messages)
` [Bug testsuite/54390] "
[Bug bootstrap/66947] New: Bootstrap error: Extraneous text after `else' directive
2021-08-15 7:35 UTC (2+ messages)
` [Bug target/66947] [5 only] "
[Bug target/56538] New: No opiton to disable slow 'lock' instr. one does not need
2021-08-15 7:33 UTC (5+ messages)
` [Bug libstdc++/56538] no way to disable shared_ptr's use of atomics
[Bug target/63590] New: wrong code with -mstringop-strategy=vector_loop
2021-08-15 7:31 UTC (2+ messages)
` [Bug target/63590] "
[Bug target/66648] New: [4.9/5/6 regression] incorrect memcpy expansion with unrolled_loop strategy at -O2
2021-08-15 7:31 UTC (2+ messages)
` [Bug target/66648] "
[Bug target/71088] [i386, AVX-512, Perf] vpermi2ps instead of vpermps emitted
2021-08-15 7:06 UTC
[Bug target/71318] Can't disable ISAs via function attribute
2021-08-15 6:50 UTC
[Bug target/70973] x86: Can the __atomic_*() operations be made to list the LOCK prefixes?
2021-08-15 6:43 UTC
[Bug target/70797] gcc.exe: Internal compiler error: (program as)
2021-08-15 6:31 UTC
[Bug target/64749] [4.8 Regression] "truncating" instructions generated instead of a load one using SSE & AVX2 intrinsics
2021-08-15 6:24 UTC (2+ messages)
[Bug tree-optimization/59062] New: poor code generated at -Os (affecting all gcc versions): 10+ sec vs. 1 sec at -O0
2021-08-15 5:53 UTC (2+ messages)
` [Bug target/59062] "
[Bug target/59968] New: Unused BT patterns
2021-08-15 5:47 UTC (2+ messages)
` [Bug target/59968] "
[Bug c/48326] New: Target attribute leaks from function pointers
2021-08-15 5:43 UTC (2+ messages)
` [Bug target/48326] "
[Bug target/53228] New: [4.6/4.7/4.8 Regression] target attributes in libcpp/lex.c cause illegal instructions to be used elsewhere
2021-08-15 5:43 UTC (3+ messages)
` [Bug target/53228] "
[Bug target/55816] New: Options from command line are added to target arch attribute eventhough they are in contradiction with that target
2021-08-15 5:42 UTC (2+ messages)
` [Bug target/55816] "
[Bug other/56298] New: wmmintrin.h aborts compilation on the machines without AES
2021-08-15 5:37 UTC (2+ messages)
` [Bug target/56298] "
[Bug target/55803] New: SSE2 double negation less efficient than explicit xor
2021-08-15 5:31 UTC (2+ messages)
` [Bug target/55803] "
[Bug inline-asm/58044] New: -mno-see2avx does not seems to work
2021-08-15 5:26 UTC (2+ messages)
` [Bug target/58044] "
[Bug target/41202] -mno-mmx doesn't turn off sse*
2021-08-15 5:25 UTC
[Bug tree-optimization/53133] New: XOR AL,AL to zero lower 8 bits of EAX/RAX causes partial register stall (Intel Core 2)
2021-08-15 5:20 UTC (2+ messages)
` [Bug target/53133] "
[Bug rtl-optimization/49839] New: Use constants in registers preferably to inline constants (-Os)
2021-08-15 5:04 UTC (2+ messages)
` [Bug target/49839] "
[Bug target/48970] New: Inaccurate comments for processor_costs
2021-08-15 5:00 UTC (2+ messages)
` [Bug target/48970] "
[Bug target/28808] Alignment problem in __gthread_once_t in vxWorks
2021-08-15 4:49 UTC
[Bug target/33587] INIT_SECTION_ASM_OP defined twice in tm.texi
2021-08-15 4:42 UTC
[Bug target/34967] internal compiler error: in frv_print_operand, at config/frv/frv.c:3057
2021-08-15 4:25 UTC
[Bug target/32097] m32c: ICE in expand_builtin_apply, at builtins.c:1525 building libobjc
2021-08-15 4:19 UTC
[Bug target/27055] Structures are copied byte by byte into function arguments
2021-08-15 4:13 UTC
[Bug target/86084] trunk/gcc/config/m32c/m32c.c:4368: suspicious comparison ?
2021-08-15 4:08 UTC
[Bug target/90103] ICE building Glibc's e_atan2f.c with -O2 -mcpu=hs38_linux -frounding-math
2021-08-15 4:03 UTC
[Bug target/31702] Pointer Arithmetic Crash When Optimizing
2021-08-15 3:00 UTC
[Bug target/25690] error: unrecognizable insn - failed to assign &a[1] if a is a struct
2021-08-15 3:00 UTC
[Bug middle-end/91883] Division by a constant could be optimized for known variables value range
2021-08-15 1:35 UTC
[Bug middle-end/92574] Inefficient code for multidimensional array assess
2021-08-15 1:23 UTC
[Bug middle-end/87055] Unoptimal address calculation
2021-08-15 1:21 UTC (2+ messages)
[Bug tree-optimization/85017] Missed constant propagation to index of array reference
2021-08-15 1:21 UTC
[Bug middle-end/82153] missed optimization: double truncating
2021-08-15 1:12 UTC
[Bug middle-end/80342] useless outermost conversions not fully elided by genmatch generated code
2021-08-15 1:07 UTC
[Bug tree-optimization/96912] New: Failure to optimize pattern
2021-08-15 0:24 UTC (2+ messages)
` [Bug tree-optimization/96912] Failure to optimize pblendvb pattern
[Bug c++/97464] New: Missed redundant store optimization opportunity
2021-08-15 0:18 UTC (2+ messages)
` [Bug tree-optimization/97464] "
[Bug tree-optimization/95929] New: Failure to optimize tautological comparisons of comparisons to a single one
2021-08-15 0:09 UTC (2+ messages)
` [Bug tree-optimization/95929] "
[Bug tree-optimization/95926] New: Failure to optimize xor pattern when
2021-08-15 0:07 UTC (2+ messages)
` [Bug tree-optimization/95926] Failure to optimize xor pattern when using temporary variable
[Bug tree-optimization/95424] New: Failure to optimize division with numerator of 1
2021-08-14 23:59 UTC (2+ messages)
` [Bug tree-optimization/95424] "
[Bug tree-optimization/94920] New: Failure to optimize abs pattern from arithmetic with selected operands based on comparisons with 0
2021-08-14 23:58 UTC (2+ messages)
` [Bug tree-optimization/94920] "
[Bug tree-optimization/94914] New: Failure to optimize check of high part of 64-bit result of 32 by 32 multiplication into overflow check
2021-08-14 23:50 UTC (2+ messages)
` [Bug tree-optimization/94914] "
[Bug tree-optimization/94877] New: Failure to simplify ~(x + 1) to -2 - x
2021-08-14 23:47 UTC (2+ messages)
` [Bug tree-optimization/94877] "
[Bug middle-end/19987] [meta-bug] fold missing optimizations in general
2021-08-14 23:47 UTC
[Bug tree-optimization/89749] Very odd vector constructor
2021-08-14 23:28 UTC (2+ messages)
[Bug tree-optimization/58497] New: SLP vectorizes identical operations
2021-08-14 23:27 UTC (2+ messages)
` [Bug tree-optimization/58497] "
[Bug tree-optimization/88605] vector extensions: Widening or conversion generates inefficient or scalar code
2021-08-14 23:19 UTC
[Bug middle-end/85559] [meta-bug] Improve conditional move
2021-08-14 23:12 UTC
[Bug tree-optimization/65492] New: Bad optimization in -O3 on SSE intrinsics
2021-08-14 23:12 UTC (2+ messages)
` [Bug tree-optimization/65492] Bad optimization in -O3 due to if-conversion and/or unrolling
[Bug tree-optimization/79958] Missed tree DSE
2021-08-14 22:59 UTC
[Bug tree-optimization/84712] Missed evaluating to constant at tree level
2021-08-14 22:44 UTC
[Bug tree-optimization/83544] Missed optimization opportunity for constant folding
2021-08-14 22:33 UTC (2+ messages)
[Bug c/101913] New: -Wstrict-overflow -O3 false alarm on tzdb localtime.c
2021-08-14 22:30 UTC (3+ messages)
` [Bug middle-end/101913] "
[Bug tree-optimization/94802] New: Failure to recognize identities with __builtin_clz
2021-08-14 22:29 UTC (2+ messages)
` [Bug tree-optimization/94802] "
[Bug tree-optimization/97964] New: Missed optimization opportunity for VRP
2021-08-14 22:29 UTC (2+ messages)
` [Bug tree-optimization/97964] "
[Bug target/99783] New: relocation truncated to fit: R_OR1K_GOT16 on OpenRISC, building libgeos
2021-08-14 22:23 UTC (4+ messages)
` [Bug target/99783] "
[Bug tree-optimization/54345] New: jump threading leaks e->aux heap memory
2021-08-14 22:21 UTC (2+ messages)
` [Bug tree-optimization/54345] "
[Bug c/101916] New: SH4 ICE: Segmentation fault signal terminated program cc1
2021-08-14 22:03 UTC
[Bug tree-optimization/49064] New: [x86/x64]: broken alias analysis leads vectorizer to emit poor code
2021-08-14 21:59 UTC (2+ messages)
` [Bug target/49064] "
[Bug tree-optimization/48475] New: gcc.dg/initpri3.c FAILs with -flto -O2 --param partial-inlining-entry-probability=100
2021-08-14 21:50 UTC (2+ messages)
` [Bug lto/48475] "
[Bug rtl-optimization/45026] struct passed as argument in memory compiles to dead stores
2021-08-14 21:31 UTC (2+ messages)
[Bug rtl-optimization/83827] vector load/store with struct in registers
2021-08-14 21:29 UTC
[Bug tree-optimization/95731] New: Faiilure to optimize a >= 0 && b >= 0 to (a | b) >= 0
2021-08-14 21:28 UTC (3+ messages)
` [Bug tree-optimization/95731] Failure "
[Bug rtl-optimization/83123] Int compare - different asm code for different return type
2021-08-14 21:28 UTC (3+ messages)
[Bug rtl-optimization/82454] Possible future performance regression in x86 for 64-bit constant expansions
2021-08-14 21:24 UTC
[Bug rtl-optimization/82729] adjacent small objects can be initialized with a single store (but aren't for char a[] = "a")
2021-08-14 21:18 UTC
[Bug c/101915] New: Microblaze ICE: in extract_insn, at recog.c:2770
2021-08-14 21:15 UTC
[Bug rtl-optimization/82356] auto-vectorizing pack of 16->8 has a redundant AND after a shift
2021-08-14 21:14 UTC
[Bug rtl-optimization/52781] New: duplicate pass names, rtl dce
2021-08-14 21:05 UTC (3+ messages)
` [Bug rtl-optimization/52781] "
[Bug c++/101914] New: internal compiler error: in tsubst, at cp/pt.c:15553
2021-08-14 21:03 UTC
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