[Bug rtl-optimization/100311] UB in sel-sched.c:init_regs_for_mode with -march=armv8-m.base

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100311 --- Comment #3 from CVS Commits --- The releases/gcc-11 branch has been updated by Richard Earnshaw : https://gcc.gnu.org/g:bda407c9a0da4aacdc62306c85712b93afa1bbc3 commit r11-8328-gbda407c9a0da4aacdc62306c85712b93afa1bbc3 Author: Richard

[Bug rtl-optimization/99927] Wrong code since r11-39-gf9e1ea10e657af9f

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99927 Richard Biener changed: What|Removed |Added Priority|P1 |P3 Target Milestone|11.2

[Bug target/100332] New: mcore-elf: error: 'prev_addr' may be used uninitialized in this function [-Werror=maybe-uninitialized]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100332 Bug ID: 100332 Summary: mcore-elf: error: 'prev_addr' may be used uninitialized in this function [-Werror=maybe-uninitialized] Product: gcc Version: unknown

[Bug tree-optimization/100253] [10/11 Regression] wrong code with -O2 -fno-tree-bit-ccp -ftree-slp-vectorize (unaligned movdqa)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100253 Richard Biener changed: What|Removed |Added Known to work||12.0 Summary|[10/11/12

[Bug tree-optimization/100253] [10/11/12 Regression] wrong code with -O2 -fno-tree-bit-ccp -ftree-slp-vectorize (unaligned movdqa)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100253 --- Comment #7 from CVS Commits --- The master branch has been updated by Richard Biener : https://gcc.gnu.org/g:af4ccaa7515b8e72449448c509916575831e6292 commit r12-284-gaf4ccaa7515b8e72449448c509916575831e6292 Author: Richard Biener Date:

[Bug tree-optimization/94589] Optimize (i<=>0)>0 to i>0

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94589 --- Comment #11 from rguenther at suse dot de --- On Thu, 29 Apr 2021, glisse at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94589 > > --- Comment #7 from Marc Glisse --- > Some key steps in the optimization: > PRE

[Bug tree-optimization/94589] Optimize (i<=>0)>0 to i>0

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94589 --- Comment #10 from Jonathan Wakely --- (In reply to Marc Glisse from comment #8) > PR96480 would be my guess. Yes

[Bug tree-optimization/94589] Optimize (i<=>0)>0 to i>0

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94589 --- Comment #9 from Jonathan Wakely --- (In reply to Richard Biener from comment #6) > Not sure what fixed it there. Seems to be r11-2593

[Bug tree-optimization/94589] Optimize (i<=>0)>0 to i>0

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94589 --- Comment #8 from Marc Glisse --- PR96480 would be my guess.

[Bug target/100331] New: 128 bit arithmetic --- suboptimal after shifting when referencing other variables

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100331 Bug ID: 100331 Summary: 128 bit arithmetic --- suboptimal after shifting when referencing other variables Product: gcc Version: 9.3.0 Status: UNCONFIRMED

[Bug tree-optimization/94589] Optimize (i<=>0)>0 to i>0

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94589 --- Comment #7 from Marc Glisse --- Some key steps in the optimization: PRE turns PHI<-1,0,1> > 0 into PHI<0,0,1> reassoc then combines the operations (it didn't in gcc-10) forwprop+phiopt cleans up (i>0)!=0?1:0 into just i>0. Having to wait

[Bug tree-optimization/94589] Optimize (i<=>0)>0 to i>0

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94589 Richard Biener changed: What|Removed |Added Known to work||11.1.0 --- Comment #6 from Richard

[Bug target/100217] [11/12 Regression] ICE when building valgrind testsuite with -march=z14 since r11-7552

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100217 --- Comment #13 from Mark Wielaard --- (In reply to Jakub Jelinek from comment #12) > For valgrind, the quick workaround would be -march=z13 when compiling the > s390x tests that have register long double variables. Yes, this works, if fpext

[Bug c++/100330] operator bool() is used when operator<() is available to do comparison

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100330 --- Comment #1 from Jonathan Wakely --- Reduced: #include extern "C" int puts(const char*); struct vertex_descriptor { operator bool() const { puts(__func__); return i; } bool

[Bug tree-optimization/99954] [8 Regression] Copy loop over array of unions at -O3 generates memcpy instead of memmove, resulting in incorrect code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99954 Richard Biener changed: What|Removed |Added Resolution|--- |FIXED Known to work|

[Bug tree-optimization/99954] [8 Regression] Copy loop over array of unions at -O3 generates memcpy instead of memmove, resulting in incorrect code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99954 --- Comment #9 from CVS Commits --- The releases/gcc-8 branch has been updated by Richard Biener : https://gcc.gnu.org/g:ab620c241b61733c92a7596620b73af4f380b5e0 commit r8-10928-gab620c241b61733c92a7596620b73af4f380b5e0 Author: Richard Biener

[Bug d/100324] gcc-10.2.0 (and earlier) fails to build on x86_64, but has builds just fine aarch64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100324 --- Comment #6 from Tor --- (In reply to Iain Buclaw from comment #5) > Never had an issue with parallel builds up to -j16. Won't have the hardware > to even attempt -j64 for another fortnight. > > Minimal libtool support is in

[Bug tree-optimization/100253] [10/11/12 Regression] wrong code with -O2 -fno-tree-bit-ccp -ftree-slp-vectorize (unaligned movdqa)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100253 --- Comment #6 from Richard Biener --- So the issue is we're getting a dataref pointer like <__int128 unsigned> [(char * {ref-all}) + 25B] and the first access has DR_MISALIGNMENT of 9 and the target alignment is 16. So we have align == 16

[Bug target/100305] [10 Regression] aarch64: ICE in output_operand_lossage with -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100305 --- Comment #12 from CVS Commits --- The releases/gcc-11 branch has been updated by Jakub Jelinek : https://gcc.gnu.org/g:a515ce926b9d779922debc33ecad424c9ac22c65 commit r11-8327-ga515ce926b9d779922debc33ecad424c9ac22c65 Author: Jakub Jelinek

[Bug target/100305] [10 Regression] aarch64: ICE in output_operand_lossage with -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100305 --- Comment #11 from CVS Commits --- The master branch has been updated by Jakub Jelinek : https://gcc.gnu.org/g:62a44a9797edce11b1f7051ea0016ee975d41233 commit r12-283-g62a44a9797edce11b1f7051ea0016ee975d41233 Author: Jakub Jelinek Date:

[Bug c++/100319] Incorrect check for detach clause argument in data-sharing clauses

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100319 Jakub Jelinek changed: What|Removed |Added Resolution|--- |FIXED Status|ASSIGNED

[Bug target/100302] [11/12 Regression] ICE in abs_hwi, at hwint.h:324 since r11-7861

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100302 Jakub Jelinek changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug target/100302] [11/12 Regression] ICE in abs_hwi, at hwint.h:324 since r11-7861

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100302 --- Comment #6 from CVS Commits --- The releases/gcc-11 branch has been updated by Jakub Jelinek : https://gcc.gnu.org/g:5ac1313f32c5cd875ad047f6575dd4608e1949cf commit r11-8326-g5ac1313f32c5cd875ad047f6575dd4608e1949cf Author: Jakub Jelinek

[Bug c++/100319] Incorrect check for detach clause argument in data-sharing clauses

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100319 --- Comment #3 from CVS Commits --- The releases/gcc-11 branch has been updated by Jakub Jelinek : https://gcc.gnu.org/g:50c826db7a3ee672be2a0b41a937651e1834a837 commit r11-8325-g50c826db7a3ee672be2a0b41a937651e1834a837 Author: Jakub Jelinek

[Bug target/100302] [11/12 Regression] ICE in abs_hwi, at hwint.h:324 since r11-7861

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100302 --- Comment #5 from CVS Commits --- The master branch has been updated by Jakub Jelinek : https://gcc.gnu.org/g:1bb3e2c0ce6ed363c72caf814a6ba6d7b17c3e0a commit r12-282-g1bb3e2c0ce6ed363c72caf814a6ba6d7b17c3e0a Author: Jakub Jelinek Date:

[Bug c++/100330] New: operator bool() is used when operator<() is available to do comparison

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100330 Bug ID: 100330 Summary: operator bool() is used when operator<() is available to do comparison Product: gcc Version: 10.2.0 Status: UNCONFIRMED Severity:

[Bug tree-optimization/94589] Optimize (i<=>0)>0 to i>0

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94589 --- Comment #5 from Jonathan Wakely --- (In reply to Marc Glisse from comment #0) > For most comparisons @ we do optimize (i<=>0)@0 to just i@0, but not for > > and <=. Spaceship operator<=> is very painful to use, but I expect we will > end up

[Bug c++/100319] Incorrect check for detach clause argument in data-sharing clauses

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100319 --- Comment #2 from CVS Commits --- The master branch has been updated by Jakub Jelinek : https://gcc.gnu.org/g:1b462deabf70e0f4bebb1f85118827d9c2eeffb5 commit r12-281-g1b462deabf70e0f4bebb1f85118827d9c2eeffb5 Author: Jakub Jelinek Date:

[Bug target/100232] [OpenMP][nvptx] Reduction fails with optimization and 'loop'/'for simd' but not with 'for'

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100232 Tom de Vries changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Target Milestone|---

[Bug tree-optimization/94589] Optimize (i<=>0)>0 to i>0

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94589 Jonathan Wakely changed: What|Removed |Added See Also||https://gcc.gnu.org/bugzill

[Bug c++/100322] Switching from std=c++17 to std=c++20 causes performance regression in relationals

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100322 Jonathan Wakely changed: What|Removed |Added Resolution|--- |DUPLICATE Status|NEW

[Bug tree-optimization/94589] Optimize (i<=>0)>0 to i>0

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94589 Jonathan Wakely changed: What|Removed |Added CC||aaron at aarongraham dot com ---

[Bug target/100232] [OpenMP][nvptx] Reduction fails with optimization and 'loop'/'for simd' but not with 'for'

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100232 --- Comment #7 from CVS Commits --- The releases/gcc-11 branch has been updated by Tom de Vries : https://gcc.gnu.org/g:f94c6caac7f03815c26c03a532f834c37517519c commit r11-8324-gf94c6caac7f03815c26c03a532f834c37517519c Author: Tom de Vries

[Bug target/100270] [10/11 Backport] _Generic can't distinguish VLS SVE vectors and GNU vectors

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100270 --- Comment #3 from CVS Commits --- The releases/gcc-11 branch has been updated by Richard Sandiford : https://gcc.gnu.org/g:dfaa29b5441689ce05e3c09012d3afe269770e94 commit r11-8322-gdfaa29b5441689ce05e3c09012d3afe269770e94 Author: Richard

[Bug target/100305] [10/11/12 Regression] aarch64: ICE in output_operand_lossage with -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100305 --- Comment #10 from CVS Commits --- The releases/gcc-11 branch has been updated by Richard Sandiford : https://gcc.gnu.org/g:cd0a059bd384da58d43674496a79ecb7de610800 commit r11-8323-gcd0a059bd384da58d43674496a79ecb7de610800 Author: Richard

[Bug middle-end/38474] compile time explosion in dataflow_set_preserve_mem_locs at -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=38474 --- Comment #101 from CVS Commits --- The master branch has been updated by Richard Biener : https://gcc.gnu.org/g:c57a8aea0c3ab8394f7dbfa417ee27b4613f63b7 commit r12-280-gc57a8aea0c3ab8394f7dbfa417ee27b4613f63b7 Author: Richard Biener Date:

[Bug d/100324] gcc-10.2.0 (and earlier) fails to build on x86_64, but has builds just fine aarch64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100324 --- Comment #5 from Iain Buclaw --- (In reply to Tor from comment #0) > make -j 64 > Never had an issue with parallel builds up to -j16. Won't have the hardware to even attempt -j64 for another fortnight. Minimal libtool support is in

[Bug target/100232] [OpenMP][nvptx] Reduction fails with optimization and 'loop'/'for simd' but not with 'for'

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100232 --- Comment #6 from CVS Commits --- The master branch has been updated by Tom de Vries : https://gcc.gnu.org/g:4d7c874e2c64ebf7631049ace642d246843febae commit r12-249-g4d7c874e2c64ebf7631049ace642d246843febae Author: Tom de Vries Date: Wed

[Bug tree-optimization/100329] ICE: verify_ssa failed (error: definition in block 3 does not dominate use in block 4)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100329 Richard Biener changed: What|Removed |Added Keywords||ice-on-valid-code,

[Bug c++/61592] ICE with large array with initialization

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61592 Bence Szabó changed: What|Removed |Added CC||sbence92 at gmail dot com --- Comment #2

[Bug d/100324] gcc-10.2.0 (and earlier) fails to build on x86_64, but has builds just fine aarch64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100324 --- Comment #4 from Tor --- (In reply to Richard Biener from comment #3) > that's odd. What's your host operating system, in particular what shell > is /bin/sh? Ubuntu 18.04.5LTS on any arch. Interestingly, on aarch it is dash while on where

[Bug bootstrap/100327] [12 regression] bootstrap failure after r12-228

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100327 --- Comment #3 from Richard Biener --- Possibly if (!targetm.scalar_mode_supported_p (mode) || !targetm.libgcc_floating_mode_supported_p (mode)) continue;

[Bug bootstrap/100327] [12 regression] bootstrap failure after r12-228

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100327 Richard Biener changed: What|Removed |Added Priority|P3 |P1 Target Milestone|---

[Bug c++/100326] Crash with `#pragma GCC unroll` when calling value which can't be called in template function

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100326 Richard Biener changed: What|Removed |Added Ever confirmed|0 |1 Keywords|

[Bug d/100324] gcc-10.2.0 (and earlier) fails to build on x86_64, but has builds just fine aarch64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100324 --- Comment #3 from Richard Biener --- /bin/sh: ../libtool: No such file or directory that's odd. What's your host operating system, in particular what shell is /bin/sh? You'd need to see what (and why) libphobos picks up as @LIBTOOL@

[Bug middle-end/100323] #pragma and attribute optimize don't enable inlining

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100323 Richard Biener changed: What|Removed |Added CC||hubicka at gcc dot gnu.org Last

[Bug d/100324] gcc-10.2.0 (and earlier) fails to build on x86_64, but has builds just fine aarch64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100324 --- Comment #2 from Tor --- Same issue on gcc-11.1.0. Can't pick D language on x86_64/amd64 platform. make[2]: Leaving directory '/home/torel/workspace/GCC/gcc-11_1_0-release/Build-x86_64/x86_64-linux-gnu/zlib' make[2]: Entering directory

[Bug target/100329] New: ICE: verify_ssa failed (error: definition in block 3 does not dominate use in block 4)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100329 Bug ID: 100329 Summary: ICE: verify_ssa failed (error: definition in block 3 does not dominate use in block 4) Product: gcc Version: 11.0 Status: UNCONFIRMED

[Bug target/100320] [8/9/10/11/12 Regression] 32-bit x86 memcpy is suboptimal

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100320 Richard Biener changed: What|Removed |Added Priority|P3 |P2 Keywords|

[Bug ipa/100308] IPA CP ipcp_modif_dom_walker removes calls w/o updating the cgraph

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100308 Richard Biener changed: What|Removed |Added Known to work||12.0 --- Comment #3 from Richard

[Bug tree-optimization/100173] telecom/viterb00data_1 has 16.92% regression compared O2 -ftree-vectorize -fvect-cost-model=very-cheap to O2 on CLX/ICX, 9% regression on znver3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100173 --- Comment #3 from rguenther at suse dot de --- On Thu, 29 Apr 2021, crazylht at gmail dot com wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100173 > > --- Comment #2 from Hongtao.liu --- > > > but yes, cselim will also sink the

[Bug rtl-optimization/100328] New: IRA doesn't model dup num constraint well

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100328 Bug ID: 100328 Summary: IRA doesn't model dup num constraint well Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component:

[Bug target/99912] Unnecessary / inefficient spilling of AVX2 ymm registers

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99912 --- Comment #12 from CVS Commits --- The master branch has been updated by Richard Biener : https://gcc.gnu.org/g:b58dc0b803057c0e6032e0d9bd92cd834f72c75c commit r12-248-gb58dc0b803057c0e6032e0d9bd92cd834f72c75c Author: Richard Biener Date:

[Bug ipa/100308] IPA CP ipcp_modif_dom_walker removes calls w/o updating the cgraph

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100308 --- Comment #2 from CVS Commits --- The master branch has been updated by Richard Biener : https://gcc.gnu.org/g:8ddce3f7d0db060885df24e41dd289173ec774a0 commit r12-247-g8ddce3f7d0db060885df24e41dd289173ec774a0 Author: Richard Biener Date:

[Bug target/100321] [OpenMP][nvptx, SIMT] (Con't) Reduction fails with optimization and 'loop'/'for simd' but not with 'for'

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100321 Tom de Vries changed: What|Removed |Added Summary|[OpenMP][nvptx] (Con't) |[OpenMP][nvptx, SIMT]

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