[Bug target/97969] [9/10 Regression][ARM/Thumb] Certain combo of codegen options leads to compilation infinite loop with growing memory use

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97969 --- Comment #27 from CVS Commits --- The releases/gcc-10 branch has been updated by Przemyslaw Wirkus : https://gcc.gnu.org/g:eb13f3f81d56910626529af52e03e74770ffca98 commit r10-9880-geb13f3f81d56910626529af52e03e74770ffca98 Author: Vladimir N.

[Bug rtl-optimization/98722] [11 Regression] ICE in lra_set_insn_recog_data, at lra.c:1004 since r11-6615-gcf2ac1c30af0fa783c8d72e527904dda5d8cc330

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98722 --- Comment #8 from CVS Commits --- The releases/gcc-10 branch has been updated by Przemyslaw Wirkus : https://gcc.gnu.org/g:1791b11d9cae388ae18a768eeb96c998439c986a commit r10-9881-g1791b11d9cae388ae18a768eeb96c998439c986a Author: Vladimir N.

[Bug rtl-optimization/98777] [11 Regression] ICE in update_equiv at gcc/lra-constraints.c:504 since r11-6819-g4334b52427420312

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98777 --- Comment #7 from CVS Commits --- The releases/gcc-10 branch has been updated by Przemyslaw Wirkus : https://gcc.gnu.org/g:05f6971ac40912ef062915f88b3ea0bf27278285 commit r10-9882-g05f6971ac40912ef062915f88b3ea0bf27278285 Author: Vladimir N.

[Bug tree-optimization/100858] Simple common code hoisting is not performed

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100858 --- Comment #2 from Nikita Kniazev --- (In reply to Richard Biener from comment #1) > That's really a duplicate of 100858 - this case can be handled by sinking as > well > since we "sink" the return. Make it > > void bar(); > > int foo(bool f

[Bug testsuite/100407] New test cases attr-retain-*.c fail after their introduction in r11-7284

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100407 --- Comment #4 from seurer at gcc dot gnu.org --- It does not fail on LE.

[Bug tree-optimization/100883] ifcombine should use (gimple) match and simplify instead of fold

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100883 Andrew Pinski changed: What|Removed |Added Resolution|--- |FIXED Status|UNCONFIRMED

[Bug tree-optimization/100883] ifcombine should use (gimple) match and simplify instead of fold

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100883 Andrew Pinski changed: What|Removed |Added Target Milestone|--- |10.0

[Bug target/100703] __vector_pair and __vector_quad cannot be passed by reference

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100703 --- Comment #2 from Segher Boessenkool --- This compiles just fine for me, even with -O0. Does this only happen with some older version of the compiler? Are some special flags needed?

[Bug target/100736] ICE: unrecognizable insn

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100736 Segher Boessenkool changed: What|Removed |Added Last reconfirmed||2021-06-03 Status|UNCO

[Bug gcov-profile/100788] Internal compiler error related to #line macros(?)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100788 --- Comment #11 from seberg --- Does that mean that fixing the `#line` directives (or inserting additional ones) should be able to fix the issue? (Or work around it, if you consider it a bug.) I tried to figure out where the `#line` directives

[Bug tree-optimization/52254] VRP does not fold (~a) & N to a ^ N if a has range [0, N]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52254 Andrew Pinski changed: What|Removed |Added Resolution|--- |FIXED Status|ASSIGNED

[Bug target/95967] Poor aarch64 vector constructor code when using arm_neon.h

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95967 Andrew Pinski changed: What|Removed |Added Depends on||93237 --- Comment #5 from Andrew Pinski

[Bug tree-optimization/20083] Missed optimization with conditional and basically ||

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=20083 Andrew Pinski changed: What|Removed |Added Depends on||96923 --- Comment #5 from Andrew Pinski

[Bug rtl-optimization/10945] Trivial Bit Twiddling Optimizations Not Performed

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=10945 Andrew Pinski changed: What|Removed |Added Target Milestone|--- |7.0 Resolution|---

[Bug testsuite/100407] New test cases attr-retain-*.c fail after their introduction in r11-7284

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100407 --- Comment #5 from H.J. Lu --- I can't reproduce it with GCC master, glibc 2.33 and binutils 2.36 branch.

[Bug testsuite/100407] New test cases attr-retain-*.c fail after their introduction in r11-7284

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100407 --- Comment #6 from H.J. Lu --- Created attachment 50914 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=50914&action=edit attr-retain-1.s Here is my attr-retain-1.s. Please upload your attr-retain-1.s.

[Bug testsuite/100407] New test cases attr-retain-*.c fail after their introduction in r11-7284

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100407 H.J. Lu changed: What|Removed |Added Attachment #50914|0 |1 is obsolete|

[Bug target/35646] gcc is not using the overflow flag

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=35646 Andrew Pinski changed: What|Removed |Added Target Milestone|--- |11.0 Resolution|---

[Bug target/100865] pass_data_constant_pool_broadcast doesn't work on TImode

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100865 --- Comment #3 from H.J. Lu --- Created attachment 50916 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=50916&action=edit x86: Convert CONST_WIDE_INT to broadcast in move expanders

[Bug target/100865] Convert CONST_WIDE_INT to broadcast

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100865 H.J. Lu changed: What|Removed |Added Status|UNCONFIRMED |NEW CC|

[Bug target/43892] PowerPC suboptimal "add with carry" optimization

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=43892 --- Comment #32 from Andrew Pinski --- (In reply to Richard Biener from comment #5) > No. > > Actually compilable testcase: > > typedef unsigned int u32; > > u32 > add32carry(u32 sum, u32 x) > { > u32 z = sum + x; > if (sum + x < x) >

[Bug target/45548] Add with carry - missed optimization on x86

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=45548 Andrew Pinski changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug c++/94492] no way to silence -Wdeprecated-copy for aggregates

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94492 --- Comment #2 from Nikita Kniazev --- Could this be backported? The issue affects every release with -Wdeprecated-copy, which are GCC 9+.

[Bug target/100865] Convert CONST_WIDE_INT to broadcast

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100865 --- Comment #5 from H.J. Lu --- A small benchmark: https://gitlab.com/x86-benchmarks/microbenchmark/-/tree/memset/broadcast shows that broadcast is a little bit faster on Intel Core i7-8559U: [hjl@gnu-cfl-2 microbenchmark]$ make gcc -g -I. -O

[Bug middle-end/36384] folding of conversion for BOOLEAN_TYPE or ENUMERAL_TYPE

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=36384 --- Comment #2 from Andrew Pinski --- during VRP1 removes the casts now. So I don't know if this bug should be closed as fixed or not.

[Bug tree-optimization/39870] VRP can't see through cast to unsigned

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=39870 Andrew Pinski changed: What|Removed |Added Last reconfirmed|2009-04-23 15:54:45 |2021-6-2 --- Comment #16 from Andrew Pin

[Bug testsuite/100749] [12 regression] gcc.dg/pch/valid-1.c fails after r12-949

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100749 seurer at gcc dot gnu.org changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|

[Bug tree-optimization/27504] x && (x & y) not optimized to x & y

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=27504 Andrew Pinski changed: What|Removed |Added Last reconfirmed|2012-01-04 00:00:00 |2021-6-2 --- Comment #3 from Andrew Pins

[Bug middle-end/38126] suboptimal code for (a && b || !a && !b)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=38126 --- Comment #5 from Andrew Pinski --- For the original testcase with GCC 7, we get the same(similar enough) code gen for both functions now. foo: .LFB0: .cfi_startproc testq %rdi, %rdi setne %al testq %rsi, %

[Bug tree-optimization/45861] Possible missed optimization - array ops vs shift-and-mask

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=45861 Andrew Pinski changed: What|Removed |Added Last reconfirmed|2012-02-03 00:00:00 |2021-6-2 --- Comment #3 from Andrew Pins

[Bug tree-optimization/35306] Missing expression simplication for conditional OR

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=35306 Andrew Pinski changed: What|Removed |Added Resolution|--- |FIXED Target Milestone|---

[Bug tree-optimization/29738] Missed constant propagation into loops

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=29738 Andrew Pinski changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug tree-optimization/27109] Simplify "a - 10 > 150" into "a > 160" when range of a is known (in VRP or somewhere else)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=27109 Andrew Pinski changed: What|Removed |Added Last reconfirmed|2007-07-01 00:53:44 |2021-6-2 --- Comment #3 from Andrew Pins

[Bug target/100885] [12 Regression] ICE: in extract_constrain_insn, at recog.c:2671: insn does not satisfy its constraints: {sse4_1_zero_extendv8qiv8hi2}

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100885 --- Comment #1 from Hongtao.liu --- 152(define_register_constraint "Yw" 153 "TARGET_AVX512BW && TARGET_AVX512VL ? ALL_SSE_REGS : TARGET_SSE ? SSE_REGS : NO_REGS" 154 "@internal Any EVEX encodable SSE register (@code{%xmm0-%xmm31}) for AVX512BW w

[Bug tree-optimization/22199] fold does not optimize (int)ABS_EXPR<(long long)(int_var)>

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=22199 Andrew Pinski changed: What|Removed |Added Resolution|--- |FIXED Status|NEW

[Bug middle-end/19987] [meta-bug] fold missing optimizations in general

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=19987 Bug 19987 depends on bug 22199, which changed state. Bug 22199 Summary: fold does not optimize (int)ABS_EXPR<(long long)(int_var)> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=22199 What|Removed |Added -

[Bug tree-optimization/64946] [AArch64] gcc.target/aarch64/vect-abs-compile.c - "abs" vectorization fails for char/short types

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64946 Bug 64946 depends on bug 22199, which changed state. Bug 22199 Summary: fold does not optimize (int)ABS_EXPR<(long long)(int_var)> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=22199 What|Removed |Added -

[Bug c++/100877] g++ freezes system by consuming infinite amount of memory

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100877 --- Comment #1 from Steven Sun --- I look at the call stack. Most of the time is wasted on `dump_template_parms` in `gcc/cp/error.c`. I commented several functions calling it: (I'm using stage-1 compiler) `announce_function` in `gcc/toplev.c`

[Bug tree-optimization/22199] fold does not optimize (int)ABS_EXPR<(long long)(int_var)>

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=22199 Andrew Pinski changed: What|Removed |Added Target Milestone|--- |9.0 --- Comment #5 from Andrew Pinski -

[Bug target/100885] [12 Regression] ICE: in extract_constrain_insn, at recog.c:2671: insn does not satisfy its constraints: {sse4_1_zero_extendv8qiv8hi2}

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100885 --- Comment #2 from Hongtao.liu --- > With avx512vl Yw should be matched, and w/o avx512bw, only SSE_REGS should > be matched, why xmm16 is allocated? It didn't come from RA, but post_reload splitter. 18103(define_insn_and_split "*sse4_1_zero

[Bug c++/100877] g++ freezes system by consuming infinite amount of memory

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100877 Steven Sun changed: What|Removed |Added CC||StevenSun2021 at hotmail dot com --- Comm

[Bug middle-end/68000] Suboptimal ternary operator codegen

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68000 Andrew Pinski changed: What|Removed |Added Resolution|--- |INVALID Status|UNCONFIRMED

[Bug tree-optimization/67998] redundant test for 0 when also checking inequality

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67998 Andrew Pinski changed: What|Removed |Added Resolution|--- |FIXED Status|NEW

[Bug target/43892] PowerPC suboptimal "add with carry" optimization

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=43892 --- Comment #33 from Segher Boessenkool --- (In reply to Andrew Pinski from comment #32) > So it is more about the back-end of PowerPC at this point. For the testcase === typedef unsigned int u32; typedef unsigned long long u64; u32 f(u32 a, u

[Bug tree-optimization/78528] Recursion not optimized for structs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78528 --- Comment #5 from Andrew Pinski --- tailr1: D.2500 = strlen (_2); : lhs$m_value_10 = D.2500.m_value; _14 = lhs$m_value_10 + 1; D.2496.m_value = _14; : return D.2496; For tailr on structures we only allow for structure copies

[Bug target/100885] [12 Regression] ICE: in extract_constrain_insn, at recog.c:2671: insn does not satisfy its constraints: {sse4_1_zero_extendv8qiv8hi2}

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100885 --- Comment #3 from Hongtao.liu --- (In reply to Hongtao.liu from comment #2) > > With avx512vl Yw should be matched, and w/o avx512bw, only SSE_REGS should > > be matched, why xmm16 is allocated? > > It didn't come from RA, but post_reload spl

[Bug tree-optimization/100857] Simple common code sinking is not performed

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100857 Andrew Pinski changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug tree-optimization/13563] if-conversion not agressive enough

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=13563 Andrew Pinski changed: What|Removed |Added CC||nok.raven at gmail dot com --- Comment #

[Bug libstdc++/100889] New: Wrong param type for std::atomic_ref<_Tp*>::wait

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100889 Bug ID: 100889 Summary: Wrong param type for std::atomic_ref<_Tp*>::wait Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component:

[Bug libstdc++/100889] Wrong param type for std::atomic_ref<_Tp*>::wait

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100889 --- Comment #1 from Richard Li --- Created attachment 50917 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=50917&action=edit Proposed patch This patch fixes the problem.

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