[Bug tree-optimization/70479] FMA is not reassociated causing x2 slowdown vs. ICC

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70479 Andrew Pinski changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug tree-optimization/98350] Reassociation breaks FMA chains

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98350 Andrew Pinski changed: What|Removed |Added CC||kyukhin at gcc dot gnu.org --- Comment #

[Bug middle-end/26163] [meta-bug] missed optimization in SPEC (2k17, 2k and 2k6 and 95)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=26163 Bug 26163 depends on bug 49695, which changed state. Bug 49695 Summary: conditional moves for stores https://gcc.gnu.org/bugzilla/show_bug.cgi?id=49695 What|Removed |Added ---

[Bug tree-optimization/49695] conditional moves for stores

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=49695 Andrew Pinski changed: What|Removed |Added Resolution|--- |FIXED Status|UNCONFIRMED

[Bug rtl-optimization/91838] [8/9 Regression] incorrect use of shr and shrx to shift by 64, missed optimization of vector shift

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91838 Uroš Bizjak changed: What|Removed |Added Resolution|FIXED |--- Status|RESOLVED

[Bug tree-optimization/109906] New: a rrotate (32-b) -> a lrotate b

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109906 Bug ID: 109906 Summary: a rrotate (32-b) -> a lrotate b Product: gcc Version: 14.0 Status: UNCONFIRMED Keywords: missed-optimization Severity: enhancement Prio

[Bug libgomp/109904] linking with -static flag generates undefined references

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109904 --- Comment #11 from CVS Commits --- The master branch has been updated by Jakub Jelinek : https://gcc.gnu.org/g:9abc830247e547186a48caadca43f5372eae1195 commit r14-991-g9abc830247e547186a48caadca43f5372eae1195 Author: Jakub Jelinek Date: F

[Bug target/109650] avr-gcc incorrect code with -Os

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109650 --- Comment #8 from Georg-Johann Lay --- Created attachment 55115 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=55115&action=edit Proposed patch. This is a proposed patch to fix this PR. Under review at https://gcc.gnu.org/pipermail/gc

[Bug target/109650] avr-gcc incorrect code with -Os

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109650 --- Comment #9 from Georg-Johann Lay --- (In reply to Georg-Johann Lay from comment #8) > Created attachment 55115 [details] > Proposed patch. > > This is a proposed patch to fix this PR. Under review at Here actually: https://gcc.gnu.org/pi

[Bug other/109898] 'make install -j' sometimes corrupts 'dir' file for .info files due to parallel 'install-info' calls

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109898 --- Comment #4 from Jonathan Wakely --- That seems to be new in Make 4.4, because the manual for Make 4.3 says: '.NOTPARALLEL' If '.NOTPARALLEL' is mentioned as a target, then this invocation of 'make' will be run serially, even if t

[Bug other/109898] 'make install -j' sometimes corrupts 'dir' file for .info files due to parallel 'install-info' calls

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109898 Jakub Jelinek changed: What|Removed |Added CC||jakub at gcc dot gnu.org --- Comment #5

[Bug libgomp/100160] MinGW-w64 g++ with libgomp and nvptx looks for libgomp-plugin-nvptx.so.1 instead of libgomp-plugin-nvptx-1.dll

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100160 Thomas Schwinge changed: What|Removed |Added Last reconfirmed||2023-05-19 Keywords|

[Bug middle-end/109907] New: [avr] Missed optimization for bit extraction (uses shift instead of single bit-test)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109907 Bug ID: 109907 Summary: [avr] Missed optimization for bit extraction (uses shift instead of single bit-test) Product: gcc Version: 14.0 Status: UNCONFIRMED Sev

[Bug tree-optimization/105776] Failure to recognize __builtin_mul_overflow pattern

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105776 --- Comment #6 from CVS Commits --- The master branch has been updated by Jakub Jelinek : https://gcc.gnu.org/g:bd0f2828432918a16e93d9e9021a5927143b8dde commit r14-993-gbd0f2828432918a16e93d9e9021a5927143b8dde Author: Jakub Jelinek Date: Fr

[Bug tree-optimization/101856] match_arith_overflow checks only mulv4_optab/umulv4_optab tables when smul_highpart_optab/umul_highpart_optab can produce decent code too

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101856 --- Comment #3 from CVS Commits --- The master branch has been updated by Jakub Jelinek : https://gcc.gnu.org/g:62d08a67c83b4a089866c6d19e82d70ee5b8aed1 commit r14-992-g62d08a67c83b4a089866c6d19e82d70ee5b8aed1 Author: Jakub Jelinek Date: Fr

[Bug tree-optimization/101856] match_arith_overflow checks only mulv4_optab/umulv4_optab tables when smul_highpart_optab/umul_highpart_optab can produce decent code too

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101856 Jakub Jelinek changed: What|Removed |Added Resolution|--- |FIXED Status|ASSIGNED

[Bug tree-optimization/105776] Failure to recognize __builtin_mul_overflow pattern

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105776 Jakub Jelinek changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug modula2/109908] New: Delete from m2iso Strings is broken

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109908 Bug ID: 109908 Summary: Delete from m2iso Strings is broken Product: gcc Version: 14.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: modula2

[Bug modula2/109908] Delete from m2iso Strings is broken

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109908 Gaius Mulley changed: What|Removed |Added Last reconfirmed||2023-05-19 Ever confirmed|0

[Bug modula2/109908] Delete from m2iso Strings is broken

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109908 Gaius Mulley changed: What|Removed |Added CC||gaius at gcc dot gnu.org --- Comment #2

[Bug modula2/109908] Delete from m2iso Strings is broken

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109908 --- Comment #3 from CVS Commits --- The master branch has been updated by Gaius Mulley : https://gcc.gnu.org/g:0a78bc26dadcb6f4c8b59b41858d70bb5432fadd commit r14-994-g0a78bc26dadcb6f4c8b59b41858d70bb5432fadd Author: Gaius Mulley Date: Fri

[Bug modula2/109908] Delete from m2iso Strings is broken

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109908 Gaius Mulley changed: What|Removed |Added Resolution|--- |FIXED Status|ASSIGNED

[Bug libstdc++/109889] [13/14 Regression] Segfault in __run_exit_handlers since r13-5309-gc3c6c307792026

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109889 --- Comment #11 from Jonathan Wakely --- The test looks like this: #include #include int main() { typedef int value_type; typedef __gnu_cxx::throw_allocator_random allocator_type; try { __gnu_test::check_deallocate_null(); } catch

[Bug c++/109909] New: vector: Writing 8 bytes into 1 allocated byte

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109909 Bug ID: 109909 Summary: vector: Writing 8 bytes into 1 allocated byte Product: gcc Version: 13.1.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component:

[Bug c++/97340] Spurious rejection of member variable template of reference type

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97340 --- Comment #4 from CVS Commits --- The master branch has been updated by Patrick Palka : https://gcc.gnu.org/g:ef8926d23a458560b8e9be1a76cf29ddcb87ec2a commit r14-997-gef8926d23a458560b8e9be1a76cf29ddcb87ec2a Author: Patrick Palka Date: Fri

[Bug c++/97340] Spurious rejection of member variable template of reference type

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97340 Patrick Palka changed: What|Removed |Added Resolution|--- |FIXED Target Milestone|---

[Bug middle-end/109907] [avr] Missed optimization for bit extraction (uses shift instead of single bit-test)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109907 --- Comment #1 from Andrew Pinski --- I was just touching that area in the middle end and had noticed it didn't do any cost analysis

[Bug c++/109871] error: call of overloaded ... is ambiguous (std::vector vs designated initializers)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109871 --- Comment #4 from CVS Commits --- The releases/gcc-13 branch has been updated by Patrick Palka : https://gcc.gnu.org/g:efdcb731bbd6e20552fe878d54e59dc06af02334 commit r13-7357-gefdcb731bbd6e20552fe878d54e59dc06af02334 Author: Patrick Palka

[Bug c++/109871] error: call of overloaded ... is ambiguous (std::vector vs designated initializers)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109871 Patrick Palka changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug c++/105760] [11/12/13/14 Regression] ICE: in build_function_type, at tree.cc:7365

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105760 Andrew Pinski changed: What|Removed |Added Summary|ICE: in |[11/12/13/14 Regression]

[Bug middle-end/109907] Missed optimization for bit extraction (uses shift instead of single bit-test)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109907 Andrew Pinski changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Last reconfirmed|

[Bug middle-end/109907] Missed optimization for bit extraction (uses shift instead of single bit-test)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109907 --- Comment #3 from Andrew Pinski --- Note this code has been in expr.cc since before 1992 even :).

[Bug other/109910] New: GCC prologue/epilogue saves/restores callee-saved registers that are never changed

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109910 Bug ID: 109910 Summary: GCC prologue/epilogue saves/restores callee-saved registers that are never changed Product: gcc Version: 14.0 Status: UNCONFIRMED Sever

[Bug fortran/109911] New: [OpenMP] 'declare reduction' not USE associated

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109911 Bug ID: 109911 Summary: [OpenMP] 'declare reduction' not USE associated Product: gcc Version: 13.0 Status: UNCONFIRMED Keywords: openmp, rejects-valid Severity: normal

[Bug target/109279] RISC-V: complex constants synthesized should be improved

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109279 Vineet Gupta changed: What|Removed |Added CC||vineetg at gcc dot gnu.org S

[Bug driver/33980] Precompiled header file not removed on error

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=33980 --- Comment #7 from CVS Commits --- The trunk branch has been updated by Andrew Pinski : https://gcc.gnu.org/g:cddb6dd6668843db351807ab8d2ff7440109f39a commit r14-1000-gcddb6dd6668843db351807ab8d2ff7440109f39a Author: Andrew Pinski Date: Fri

[Bug driver/33980] Precompiled header file not removed on error

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=33980 Andrew Pinski changed: What|Removed |Added Resolution|--- |FIXED Target Milestone|---

[Bug target/109279] RISC-V: complex constants synthesized should be improved

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109279 --- Comment #16 from Vineet Gupta --- > Which is what this produces: > ``` > long long f(void) > { > unsigned t = 16843009; > long long t1 = t; > long long t2 = ((unsigned long long )t) << 32; > asm("":"+r"(t1)); > return t1 | t2; > }

[Bug preprocessor/109912] New: #pragma GCC diagnostic ignored "-Wall" is ignored

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109912 Bug ID: 109912 Summary: #pragma GCC diagnostic ignored "-Wall" is ignored Product: gcc Version: 14.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component

[Bug c++/108788] Lookup of injected class name should be type-dependent

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108788 Patrick Palka changed: What|Removed |Added CC||jason at gcc dot gnu.org,

[Bug other/109910] GCC prologue/epilogue saves/restores callee-saved registers that are never changed

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109910 --- Comment #1 from Georg-Johann Lay --- Note that df_regs_ever_live_p may be used before reload_completed, for example in INITIAL_ELIMINATION_OFFSET. Hence, scanning the insns by hand using, say, note_stores, does not work because reload might

[Bug middle-end/109907] Missed optimization for bit extraction (uses shift instead of single bit-test)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109907 --- Comment #4 from Andrew Pinski --- For cset_32bit30_not with some patches which I will be posting, I get: bst r25,6; 23 [c=4 l=3] *extzv/4 clr r24 bld r24,0 ldi r25,lo8(1) ; 24 [c=4 l=1] movqi_i

[Bug middle-end/109907] Missed optimization for bit extraction (uses shift instead of single bit-test)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109907 --- Comment #5 from Andrew Pinski --- Created attachment 55121 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=55121&action=edit patch set here is the patch set that improves cset_32bit30_not . I am still looking into improving the other o

[Bug middle-end/109907] Missed optimization for bit extraction (uses shift instead of single bit-test)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109907 --- Comment #6 from Georg-Johann Lay --- (In reply to Andrew Pinski from comment #4) > For cset_32bit30_not with some patches which I will be posting, I get: > bst r25,6; 23 [c=4 l=3] *extzv/4 > clr r24 > bld r

[Bug c/106465] ICE for VLA in struct in parameter of nested function

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106465 Martin Uecker changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug c/70418] VM structure type specifier in list of parameter declarations within nested function definition ices.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70418 Martin Uecker changed: What|Removed |Added CC||muecker at gwdg dot de --- Comment #7 fr

[Bug c/70418] VM structure type specifier in list of parameter declarations within nested function definition ices.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70418 --- Comment #8 from Martin Uecker --- https://gcc.gnu.org/pipermail/gcc-patches/2023-May/618911.html

[Bug middle-end/109907] Missed optimization for bit extraction (uses shift instead of single bit-test)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109907 --- Comment #7 from Andrew Pinski --- (In reply to Georg-Johann Lay from comment #6) > (define_expand "extzv" > [(set (match_operand:QI 0 "register_operand") > (zero_extract:QI (match_operand:QI 1 "register_operand") >

[Bug middle-end/109907] Missed optimization for bit extraction (uses shift instead of single bit-test)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109907 --- Comment #8 from Georg-Johann Lay --- avr.md has this: > ;; ??? do_store_flag emits a hard-coded right shift to extract a bit without > ;; even considering rtx_costs, extzv, or a bit-test. See PR55181 for an > example. And I already tried

[Bug c++/109876] [10/11/12/13/14 Regression] initializer_list not usable in constant expressions in a template

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109876 --- Comment #7 from Marek Polacek --- // PR c++/109876 using size_t = decltype(sizeof 0); namespace std { template struct initializer_list { const int *_M_array; size_t _M_len; constexpr size_t size() const { return _M_len; } }; } // na

[Bug testsuite/101528] [11 regression] gcc.target/powerpc/int_128bit-runnable.c fails after r11-8743

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101528 Carl Love changed: What|Removed |Added CC||cel at us dot ibm.com --- Comment #6 from C

[Bug objc/109913] New: [14 regression] r14-976-g9907413a3a6aa3 causes more than 300 objc/objc++ failures

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109913 Bug ID: 109913 Summary: [14 regression] r14-976-g9907413a3a6aa3 causes more than 300 objc/objc++ failures Product: gcc Version: 14.0 Status: UNCONFIRMED Severi

[Bug tree-optimization/101770] -Wmaybe-uninitialized false alarm with only locals in GNU diffutils

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101770 Paul Eggert changed: What|Removed |Added Resolution|FIXED |--- Status|RESOLVED

[Bug middle-end/24639] [meta-bug] bug to track all Wuninitialized issues

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=24639 Bug 24639 depends on bug 101770, which changed state. Bug 101770 Summary: -Wmaybe-uninitialized false alarm with only locals in GNU diffutils https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101770 What|Removed |Ad

[Bug tree-optimization/101770] -Wmaybe-uninitialized false alarm with only locals in GNU diffutils

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101770 --- Comment #5 from Paul Eggert --- I can no longer reproduce the bug in bleeding-edge GNU diffutils, so this bug is not so important in its own right - that is, it's merely that GCC 13.1.1 still mishandles w.i.

[Bug c/106425] implicit-int

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106425 Martin Uecker changed: What|Removed |Added Resolution|--- |DUPLICATE Status|NEW

[Bug c/91093] Error on implicit int by default

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91093 Martin Uecker changed: What|Removed |Added CC||muecker at gwdg dot de --- Comment #3 fr

[Bug middle-end/21161] [10/11/12/13/14 Regression] "clobbered by longjmp" warning ignores the data flow

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=21161 Paul Eggert changed: What|Removed |Added CC||eggert at cs dot ucla.edu --- Comment #26

[Bug objc/109913] [14 regression] r14-976-g9907413a3a6aa3 causes more than 300 objc/objc++ failures

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109913 --- Comment #1 from Andrew Pinski --- The problem is ROUND_TYPE_ALIGN is used in libobjc and then RECORD_OR_UNION_TYPE_P is not defined there ...

[Bug objc/109913] [14 regression] r14-976-g9907413a3a6aa3 causes more than 300 objc/objc++ failures

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109913 Andrew Pinski changed: What|Removed |Added Target Milestone|--- |14.0

[Bug objc/109913] [14 regression] r14-976-g9907413a3a6aa3 causes more than 300 objc/objc++ failures

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109913 --- Comment #2 from Andrew Pinski --- Created attachment 55123 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=55123&action=edit Patch to test Does this patch work? If so assign it to me and I will apply it.

[Bug c++/99451] [plugin] cannot enable specific dump for plugin passes

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99451 --- Comment #2 from CVS Commits --- The trunk branch has been updated by Nathan Sidwell : https://gcc.gnu.org/g:97a36b466ba1420210294f0a1dd7002054ba3b7e commit r14-1004-g97a36b466ba1420210294f0a1dd7002054ba3b7e Author: Nathan Sidwell Date: W

[Bug objc/109913] [14 regression] r14-976-g9907413a3a6aa3 causes more than 300 objc/objc++ failures

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109913 --- Comment #3 from Andrew Pinski --- Note for powerpc-darwin, VECTOR_TYPE_P might need to be defined too.

[Bug target/55181] [10/11/12/13/14 Regression] Expensive shift loop where a bit-testing instruction could be used

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55181 Andrew Pinski changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |pinskia at gcc dot gnu.org

[Bug tree-optimization/109038] Miss optimization to simplify bit_and + rotate to shift

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109038 Andrew Pinski changed: What|Removed |Added Severity|normal |enhancement Status|UNCONFIR

[Bug middle-end/109907] Missed optimization for bit extraction (uses shift instead of single bit-test)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109907 --- Comment #9 from Andrew Pinski --- (In reply to Georg-Johann Lay from comment #6) > Quite impressive improvement. Maybe the last step can be achieved with a > combiner pattern that combines extzv with a bit flip. > > One problem is usually

[Bug c/109912] #pragma GCC diagnostic ignored "-Wall" is ignored

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109912 Andrew Pinski changed: What|Removed |Added Keywords||diagnostic Ever confirmed|0

[Bug middle-end/108847] unnecessary bitwise AND on boolean types and shifting of the "sign" bit

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108847 Andrew Pinski changed: What|Removed |Added Target|x86_64-*-* |x86_64-*-* aarch64-*-* Stat

[Bug tree-optimization/109287] Optimizing sal shr pairs when inlining function

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109287 Andrew Pinski changed: What|Removed |Added Status|UNCONFIRMED |NEW Ever confirmed|0

[Bug tree-optimization/109287] Optimizing sal shr pairs when inlining function

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109287 --- Comment #2 from Andrew Pinski --- Actually it is closer to: unsigned f(unsigned t, unsigned b, unsigned *tt) { if (b >= 16) __builtin_unreachable(); t *= 16; t+= b; *tt = t%16; unsigned ttt = t/16;

[Bug rtl-optimization/89680] Redundant moves with -march=skylake for long long shift on 32bit x86

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89680 Andrew Pinski changed: What|Removed |Added Known to work||10.1.0 --- Comment #2 from Andrew Pinski

[Bug middle-end/98961] Failure to optimize successive comparisons with 0 into clz

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98961 Andrew Pinski changed: What|Removed |Added Ever confirmed|0 |1 Status|UNCONFIRMED

[Bug middle-end/98961] Failure to optimize successive comparisons with 0 into clz

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98961 --- Comment #5 from Andrew Pinski --- or could be a cost thing ...

[Bug rtl-optimization/46943] Unnecessary ZERO_EXTEND

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=46943 Andrew Pinski changed: What|Removed |Added Last reconfirmed|2018-04-22 00:00:00 |2023-5-19 Severity|normal

[Bug middle-end/64334] Common .opt handling: Support flags which take a list of values (-fopt=a,b,c ...)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64334 Andrew Pinski changed: What|Removed |Added Keywords||internal-improvement Target Milestone|

[Bug middle-end/100798] a?~t:t and (-(!!a))^t don't produce the same assembly code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100798 --- Comment #1 from Andrew Pinski --- To produce the same code we could do a match pattern: (simplify (cond @0 (bit_not @1) @1) (bit_xor (neg (convert @0)) @1))

[Bug middle-end/31631] Folding of A & (1 << B) pessimizes FRE

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=31631 --- Comment #2 from Andrew Pinski --- We do a LIM before PRE now which allows PRE to handle it.

[Bug middle-end/31271] Missing simple optimization

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=31271 Andrew Pinski changed: What|Removed |Added Target Milestone|--- |4.7.0 --- Comment #3 from Andrew Pinski

[Bug tree-optimization/106888] [RISCV] Negative optimization that excess andi instructions are generated in gcc.dg/pr90838.c

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106888 --- Comment #11 from CVS Commits --- The master branch has been updated by Jeff Law : https://gcc.gnu.org/g:9000da00dd70988f30d43806bae33b22ee6b9904 commit r14-1006-g9000da00dd70988f30d43806bae33b22ee6b9904 Author: Raphael Moreira Zinsly Date

[Bug tree-optimization/106888] [RISCV] Negative optimization that excess andi instructions are generated in gcc.dg/pr90838.c

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106888 Jeffrey A. Law changed: What|Removed |Added Resolution|--- |FIXED Status|UNCONFIRMED

[Bug middle-end/55279] New pseudo registers aren't supported in CSE

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55279 --- Comment #10 from Andrew Pinski --- (In reply to Andrew Pinski from comment #3) > I think combine was changed for the similar reason to support psedudos but I > cannot find the patch right now. Note combine was only fully fixed recently in GC

[Bug c/20110] format checking and non-ASCII character sets

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=20110 Andrew Pinski changed: What|Removed |Added CC||bonzini at gnu dot org --- Comment #4 fr

[Bug c/33748] format warnings don't take input charset into account

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=33748 Andrew Pinski changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug middle-end/49617] gcc misses uninititialized variables in contained functions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=49617 Andrew Pinski changed: What|Removed |Added Last reconfirmed|2011-07-04 09:48:32 |2023-5-19 Component|c

[Bug c/17534] gcc fails to diagnose suspect expressions that have incompatible bit masks

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=17534 Andrew Pinski changed: What|Removed |Added Target Milestone|--- |6.0 Status|NEW

[Bug c++/66555] Fails to warn for if (j == 0 && i == i)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66555 Andrew Pinski changed: What|Removed |Added CC||trt at alumni dot duke.edu --- Comment #

[Bug c/52050] Want an option to warn about a declaration inside a for/while/if statements.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52050 Andrew Pinski changed: What|Removed |Added Blocks||87403 --- Comment #7 from Andrew Pinski

[Bug c/38341] Wrong warning comparison of promoted ~unsigned with unsigned

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=38341 Andrew Pinski changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug c/107465] [10 Regression] Bogus warning: promoted bitwise complement of an unsigned value is always nonzero

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107465 Andrew Pinski changed: What|Removed |Added CC||fredrik.hederstierna@securi

[Bug c/59098] Unwarranted warning: promoted ~unsigned is always non-zero [-Wsign-compare]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59098 Andrew Pinski changed: What|Removed |Added Resolution|--- |DUPLICATE Status|NEW

[Bug c/107465] [10 Regression] Bogus warning: promoted bitwise complement of an unsigned value is always nonzero

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107465 Andrew Pinski changed: What|Removed |Added CC||jmattsson at dius dot com.au --- Commen

[Bug c/60090] For expression without ~, gcc -O1 emits "comparison of promoted ~unsigned with unsigned"

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60090 --- Comment #7 from Andrew Pinski --- This one still happens on the trunk even with PR 107465 fixed. The reason is because even though a warning here is correct, it is not wanted due to requiring constant folding. Note you can get also the incorr

[Bug target/55181] [10/11/12/13/14 Regression] Expensive shift loop where a bit-testing instruction could be used

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55181 Andrew Pinski changed: What|Removed |Added Target||avr Target Milestone|10.5

[Bug target/55181] [10/11/12/13/14 Regression] Expensive shift loop where a bit-testing instruction could be used

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55181 --- Comment #28 from Andrew Pinski --- I forgot to mention this was fixed by r14-1014-gc5df248509b48 .

[Bug middle-end/109907] Missed optimization for bit extraction (uses shift instead of single bit-test)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109907 Andrew Pinski changed: What|Removed |Added Status|ASSIGNED|NEW Assignee|pinskia at gcc d

[Bug rtl-optimization/105753] [avr] ICE: in add_clobbers, at config/avr/avr-dimode.md:2705

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105753 --- Comment #19 from CVS Commits --- The master branch has been updated by Georg-Johann Lay : https://gcc.gnu.org/g:80348e6aec44966e20ca1ca823247ce1381071eb commit r14-1016-g80348e6aec44966e20ca1ca823247ce1381071eb Author: Triffid Hunter Date

[Bug rtl-optimization/105753] [avr] ICE: in add_clobbers, at config/avr/avr-dimode.md:2705

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105753 --- Comment #20 from CVS Commits --- The releases/gcc-13 branch has been updated by Georg-Johann Lay : https://gcc.gnu.org/g:1c54f35e65c2b7f9f164b6593e288637688ff7a7 commit r13-7360-g1c54f35e65c2b7f9f164b6593e288637688ff7a7 Author: Triffid Hun

[Bug rtl-optimization/105753] [avr] ICE: in add_clobbers, at config/avr/avr-dimode.md:2705

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105753 --- Comment #21 from CVS Commits --- The releases/gcc-12 branch has been updated by Georg-Johann Lay : https://gcc.gnu.org/g:95ca40b04cffd9e3bb8d61654c3a1f2c2d50bb15 commit r12-9627-g95ca40b04cffd9e3bb8d61654c3a1f2c2d50bb15 Author: Triffid Hun

[Bug rtl-optimization/105753] [avr] ICE: in add_clobbers, at config/avr/avr-dimode.md:2705

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105753 Georg-Johann Lay changed: What|Removed |Added Resolution|--- |FIXED Known to work|