[Bug tree-optimization/114277] [12/13/14/15 Regression] Missed optimization: x*(x||b) => x

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114277 --- Comment #8 from Jeffrey A. Law --- So I was playing with the patch Raphael and I put together a bit more. A few things to note. First, if we're going to use the match.pd bits in some way, they need to be conditional on GIMPLE. If used on

[Bug target/118170] ICE: in riscv_sched_variable_issue, at config/riscv/riscv.cc:9790 with -mcpu=tt-ascalon-d8 and _Float16

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118170 Jeffrey A. Law changed: What|Removed |Added Resolution|--- |FIXED Status|NEW

[Bug rtl-optimization/109592] Failure to recognize shifts as sign/zero extension

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109592 Jeffrey A. Law changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug tree-optimization/117973] [15 Regression] Dead Code Elimination Regression since r15-5646-gd1cf0d7a0f27fd for non-LOGICAL_OP_NON_SHORT_CIRCUIT targets

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117973 Jeffrey A. Law changed: What|Removed |Added Priority|P3 |P2

[Bug target/118089] [12/13/14/15 regression] arm thumb2 return sequence is suboptimal, especially at -O2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118089 Jeffrey A. Law changed: What|Removed |Added Priority|P3 |P2

[Bug tree-optimization/118194] [12/13/14/15 regression] spurious warning with -Wmaybe-uninitialized with mlock since r11-959-gb825a22890740f

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118194 Jeffrey A. Law changed: What|Removed |Added Priority|P3 |P2

[Bug analyzer/118300] [12/13/14/15 Regression] False malloc leak warning from static analyzer with -fsanitize=address,undefined

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118300 Jeffrey A. Law changed: What|Removed |Added Priority|P3 |P2

[Bug target/118348] [15 Regression] [SVE] HACCKernels seems to miscompile with VLS SVE after 0c5c0c959c2e592b84739f19ca771fa69eb8dfee

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118348 Jeffrey A. Law changed: What|Removed |Added Status|UNCONFIRMED |NEW Priority|P3

[Bug d/118449] [15 regression] libphobos.init_fini/custom_gc.d FAILs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118449 Jeffrey A. Law changed: What|Removed |Added Priority|P3 |P4

[Bug ipa/118450] [15 regression] gfortran.dg/unlimited_polymorphic_3.f03 FAILs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118450 Jeffrey A. Law changed: What|Removed |Added Priority|P3 |P4

[Bug tree-optimization/118405] [15 regression] RISC-V: ICE in verify_gimple during GIMPLE pass vect

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118405 Jeffrey A. Law changed: What|Removed |Added Priority|P3 |P2

[Bug target/118429] [15 regression] ICE when building poppler-24.11.0 on arm64 (in process_uses_of_deleted_def, at rtl-ssa/changes.cc:276)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118429 Jeffrey A. Law changed: What|Removed |Added Priority|P3 |P1

[Bug rtl-optimization/118350] [12/13/14/15 Regression] Wrong number of loop iterations starting with r7-3839-gde0a3fa38e2ad8

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118350 Jeffrey A. Law changed: What|Removed |Added Priority|P3 |P2

[Bug tree-optimization/118407] [15 Regression] tree-ssa/predcom-8.c fails with invalid sum after g:68326d5d1a593dc0bf098c03aac25916168bc5a9

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118407 Jeffrey A. Law changed: What|Removed |Added Priority|P3 |P2

[Bug target/117682] [15 Regression] rv64gcv_zvl256b miscompile since r15-3228-g771256bcb9d

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117682 Jeffrey A. Law changed: What|Removed |Added Resolution|--- |FIXED Status|UNCONFIRMED

[Bug rtl-optimization/107455] Suboptimal codegen for some branch-on-zero cases

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107455 Jeffrey A. Law changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug target/106240] [13/14/15 Regression] missed vectorization opportunity (cond move) on mips since r13-707-g68e0063397ba82

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106240 Jeffrey A. Law changed: What|Removed |Added Priority|P2 |P4

[Bug tree-optimization/20514] hoisting of label out of jumptable would take place at cse, should happen at trees

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=20514 Jeffrey A. Law changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug middle-end/19721] [meta-bug] optimizations that CSE still catches

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=19721 Bug 19721 depends on bug 20514, which changed state. Bug 20514 Summary: hoisting of label out of jumptable would take place at cse, should happen at trees https://gcc.gnu.org/bugzilla/show_bug.cgi?id=20514 What|Removed

[Bug middle-end/118415] [15 Regression] crc optimization uses user accessible symbols

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118415 Jeffrey A. Law changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug tree-optimization/117997] [15 regression] libgo regressions on aarch64 after g:4d2b9202fe94c54e63fb07d48293a78da3d82532

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117997 Jeffrey A. Law changed: What|Removed |Added Resolution|--- |FIXED Status|NEW

[Bug middle-end/118415] [15 Regression] crc optimization uses user accessible symbols

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118415 --- Comment #3 from Jeffrey A. Law --- Using output_constant_def didn't even cross my mind. I don't recall the TREE_PUBLIC part of the change, though obviously at least part of the goal here was to share the table if we have multiple copies acr

[Bug tree-optimization/118409] [15 regression] gas miscompiled by ifcombine ("Unsupported broadcast" assemble failure)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118409 Jeffrey A. Law changed: What|Removed |Added CC||law at gcc dot gnu.org --- Comment

[Bug target/118410] New: Use Zbb extensions to improve code generation for some logicals

Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: law at gcc dot gnu.org Target Milestone: --- The Zbb extension has andn, orn and xorn instructions which operate on two register inputs X AND/OR/XOR ~Y. For X op C we often have

[Bug target/118356] RISC-V: -falign-labels=0 should (probably) default to 4

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118356 Jeffrey A. Law changed: What|Removed |Added Status|NEW |WAITING --- Comment #7 from Jeffrey A.

[Bug tree-optimization/112545] [14/15 Regression] Size regression when using -Os starting with r14-569-g21e2ef2dc25

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112545 --- Comment #5 from Jeffrey A. Law --- So I've been pondering this a bit and I think there's a reasonable path forward here. Given something like A eq/ne (A relop C) we ought to be able to cobble together a match.pd pattern which tests the poss

[Bug rtl-optimization/118358] New: [15 Regression] LRA hangs on xstormy16

-optimization Assignee: unassigned at gcc dot gnu.org Reporter: law at gcc dot gnu.org Target Milestone: --- Tamar's recent changes for affine folding to improve exchange2's performance on some architectures is causing xstormy16 to go into an infinite loop in LRA com

[Bug tree-optimization/118353] Implement greedy algorithm for switch jump table cluster finding

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118353 Jeffrey A. Law changed: What|Removed |Added CC||law at gcc dot gnu.org --- Comment #1

[Bug target/118137] riscv64: sub-word atomic OR with -1 affects surrounding bytes

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118137 Jeffrey A. Law changed: What|Removed |Added Resolution|--- |FIXED Status|UNCONFIRMED

[Bug testsuite/118055] [15 Regression] gcc.dg/tree-ssa/pr83403-1.c and -2 for CRIS and m68k since r15-6097-gee2f19b0937b5e

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118055 --- Comment #12 from Jeffrey A. Law --- WRT other targets. I do test various other targets, but that's mostly to find generic bugs. I could certainly send results to the lists and have serious pondered it before, but never bothered to set up t

[Bug testsuite/118055] [15 Regression] gcc.dg/tree-ssa/pr83403-1.c and -2 for CRIS and m68k since r15-6097-gee2f19b0937b5e

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118055 Jeffrey A. Law changed: What|Removed |Added Status|WAITING |RESOLVED Resolution|---

[Bug tree-optimization/117997] [15 regression] libgo regressions on aarch64 after g:4d2b9202fe94c54e63fb07d48293a78da3d82532

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117997 --- Comment #2 from Jeffrey A. Law --- Definitely the bzip.go bits as opposed to the crc32.go bits. No other insights yet.

[Bug tree-optimization/117997] [15 regression] libgo regressions on aarch64 after g:4d2b9202fe94c54e63fb07d48293a78da3d82532

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117997 --- Comment #1 from Jeffrey A. Law --- I'm highly confident the problem is in the libgo DSO and not in the testcode itself (I can run the test binary with the system libgo DSO and it works). Given the error message I would expect the problem is

[Bug tree-optimization/117997] [15 regression] libgo regressions on aarch64 after g:4d2b9202fe94c54e63fb07d48293a78da3d82532

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117997 Jeffrey A. Law changed: What|Removed |Added Status|UNCONFIRMED |NEW Ever confirmed|0

[Bug rtl-optimization/107455] Suboptimal codegen for some branch-on-zero cases

|unassigned at gcc dot gnu.org |law at gcc dot gnu.org

[Bug rtl-optimization/111782] [12/13/14 Regression] Extra move with arguments and returns and still using the argument for the last statement

||law at gcc dot gnu.org --- Comment #4 from Jeffrey A. Law --- This is fixed on the trunk. Adjusting regression markers.

[Bug middle-end/111843] [meta-bug] wrong-code due to -fstack-reuse=/clobbers

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111843 Bug 111843 depends on bug 111839, which changed state. Bug 111839 Summary: [12/13/14/15 Regression] Wrong code at -O3 on x86_64-linux-gnu since r12-2097-g9f34b780b0 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111839 What|Removed

[Bug tree-optimization/111839] [12/13/14/15 Regression] Wrong code at -O3 on x86_64-linux-gnu since r12-2097-g9f34b780b0

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111839 Jeffrey A. Law changed: What|Removed |Added CC||law at gcc dot gnu.org

[Bug tree-optimization/110389] [12 Regression] wrong code at -Os and -O2 with "-fno-tree-ch -fno-expensive-optimizations -fno-ivopts -fno-tree-loop-ivcanon" on x86_64-linux-gnu

-tree-loop-ivcanon" on |-fno-tree-loop-ivcanon" on |x86_64-linux-gnu|x86_64-linux-gnu CC| |law at gcc dot gnu.org --- Comment #4 from Jeffrey A. Law --- Fixed in gcc-13. Updating regression markers.

[Bug tree-optimization/108366] [12 Regression] Spurious stringop overflow, possibly alias-related since r12-145-gd1d01a66012a93cc

||law at gcc dot gnu.org --- Comment #7 from Jeffrey A. Law --- Fixed in the gcc-13 era. Adjusting regression markers.

[Bug target/108803] [12/13/14 Regression] wrong code for 128bit rotate on aarch64-unknown-linux-gnu with -Og

at gcc dot gnu.org --- Comment #11 from Jeffrey A. Law --- Per c#9, adjusting regression marker.

[Bug middle-end/107991] [12/13/14 Regression] Extra mov instructions with ternary on x86

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107991 Jeffrey A. Law changed: What|Removed |Added CC||law at gcc dot gnu.org

[Bug tree-optimization/106297] [12/13/14 Regression] stringop-overflow misbehaviour on atomic since r12-4725-g88b504b7a8c5affb

||law at gcc dot gnu.org --- Comment #11 from Jeffrey A. Law --- This is fixed on the trunk. Adjusting regression markers.

[Bug tree-optimization/105100] [12 Regression] Strange warning when modifying structures "writing 1 byte into a region of size 0" when compile with -O3

hen compile with -O3 |compile with -O3| CC| |law at gcc dot gnu.org --- Comment #6 from Jeffrey A. Law --- This was fixed in gcc-13. Adjusting regression markers.

[Bug target/105136] [12/13/14 regression] Missed optimization regression with 32-bit adds and shifts

] |Missed optimization |Missed optimization |regression with 32-bit adds |regression with 32-bit adds |and shifts |and shifts CC||law at gcc dot gnu.org --- Comment #8 from Jeffrey A. Law

[Bug rtl-optimization/105383] [12/13 Regression] ICE: in change_insns, at rtl-ssa/changes.cc:674 with -Os -m32 since r11-6188-g0b76990a9d75d97b

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105383 Jeffrey A. Law changed: What|Removed |Added CC||law at gcc dot gnu.org

[Bug target/105546] [12/13 Regression] ifconversion introduces many compares with loads

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105546 Jeffrey A. Law changed: What|Removed |Added CC||law at gcc dot gnu.org

[Bug tree-optimization/105918] [12 Regression] Spurious Warray-bounds in std::to_chars since r12-2132-ga110855667782dac

|Spurious Warray-bounds in |Warray-bounds in |std::to_chars since |std::to_chars since |r12-2132-ga110855667782dac |r12-2132-ga110855667782dac CC||law at gcc dot gnu.org --- Comment #7 from Jeffrey A

[Bug middle-end/104787] [12/13/14/15 Regression] False positive -Wreturn-type since r12-5638-ga3e75c1491cd2d50

||law at gcc dot gnu.org Resolution|--- |FIXED --- Comment #10 from Jeffrey A. Law --- This was fixed during the gcc-12 cycle.

[Bug middle-end/104986] [12 Regression] bogus writing 1 byte into a region of size 0 with -fwrapv and -O2 -fpeel-loops since r12-4698-gf6d012338bf87f42

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104986 Jeffrey A. Law changed: What|Removed |Added CC||law at gcc dot gnu.org

[Bug tree-optimization/103724] [12/13 Regression] invalid warning: iteration 7 invokes undefined behavior

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103724 Jeffrey A. Law changed: What|Removed |Added CC||law at gcc dot gnu.org

[Bug rtl-optimization/103829] [12/13/14 Regression] missing shrink wrapping for simple/obvious code

|1 CC||law at gcc dot gnu.org Summary|[12/13/14/15 Regression]|[12/13/14 Regression] |missing shrink wrapping for |missing shrink wrapping for |simple/obvious code |simple

[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 102329, which changed state. Bug 102329 Summary: [12/13/14/15 Regression] pointer "maybe uninitialized" right after assignment https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102329 What|Removed

[Bug tree-optimization/102329] [12/13/14/15 Regression] pointer "maybe uninitialized" right after assignment

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102329 Jeffrey A. Law changed: What|Removed |Added CC||law at gcc dot gnu.org

[Bug target/100378] [12/13/14/15 Regression] arm64: lsl + asr used instead of sxth

||a/show_bug.cgi?id=109592 CC||law at gcc dot gnu.org --- Comment #7 from Jeffrey A. Law --- Oh. Damn funny. This is ultimately the same as

[Bug tree-optimization/92005] [12/13/14/15 Regression] switch code generation regression

|--- |FIXED CC||law at gcc dot gnu.org --- Comment #11 from Jeffrey A. Law --- This as fixed way back in the gcc-11 era. We've been dragging it along since then...

[Bug tree-optimization/88443] [meta-bug] bogus/missing -Wstringop-overflow warnings

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88443 Bug 88443 depends on bug 92718, which changed state. Bug 92718 Summary: [12/13/14/15 Regression] Bogus Wstringop-overflow in __builtin_memset() of an element of array of size 1 of struct https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92718

[Bug middle-end/92718] [12/13/14/15 Regression] Bogus Wstringop-overflow in __builtin_memset() of an element of array of size 1 of struct

|RESOLVED CC||law at gcc dot gnu.org --- Comment #14 from Jeffrey A. Law --- This was fixed back in the gcc-12 era.

[Bug rtl-optimization/95123] [12/13/14/15 Regression] Wrong code w/ -O2 -fselective-scheduling2 -funroll-loops --param early-inlining-insns=5 --param loop-invariant-max-bbs-in-loop=3 --param max-jump-

||law at gcc dot gnu.org

[Bug tree-optimization/95140] [12/13 Regression] bogus -Wstringop-overflow for a loop unrolled past the end of an array

|bogus -Wstringop-overflow |-Wstringop-overflow for a |for a loop unrolled past|loop unrolled past the end |the end of an array |of an array CC||law at gcc dot gnu.org --- Comment #12 from Jeffrey

[Bug target/97366] [12/13/14 Regression] Redundant load with SSE/AVX vector intrinsics

] |Redundant load with SSE/AVX |Redundant load with SSE/AVX |vector intrinsics |vector intrinsics CC||law at gcc dot gnu.org --- Comment #15 from Jeffrey A. Law --- This was fixed in gcc-14, adjusting regression markers.

[Bug ipa/98000] [12/13/14/15 Regression] ICE verify_cgraph_node failed since r10-7306-g72b3bc895f023bf4

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98000 Jeffrey A. Law changed: What|Removed |Added CC||law at gcc dot gnu.org

[Bug c++/98459] [12/13/14/15 Regression] ICE in linemap_position_for_line_and_column, at libcpp/line-map.c:923 since r6-6901-g876217ae71cf0b34

||law at gcc dot gnu.org Resolution|--- |FIXED --- Comment #11 from Jeffrey A. Law --- Tested with gcc-11 through the trunk on godbolt. Declaring it as fixed.

[Bug tree-optimization/99078] [12/13/14/15 Regression] Optimizer moves struct initialization into loop

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99078 Jeffrey A. Law changed: What|Removed |Added CC||law at gcc dot gnu.org

[Bug tree-optimization/99918] [12/13/14 Regression] suboptimal code for bool bitfield tests

] |suboptimal code for bool|suboptimal code for bool |bitfield tests |bitfield tests CC||law at gcc dot gnu.org --- Comment #13 from Jeffrey A. Law --- The main bug (and known regression) has been fixed on the trunk

[Bug tree-optimization/118267] New: Suboptimal code for bool bitfield tests

-optimization Assignee: unassigned at gcc dot gnu.org Reporter: law at gcc dot gnu.org Target Milestone: --- This is extracted from bz99918 where someone added a testcase that likely is unrelated to Martin's and where we don't know if that additional testcase is a

[Bug target/118036] [15 Regression] RISC-V: gcc.dg/vect/vect-alias-check-1[12].c abort

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118036 Jeffrey A. Law changed: What|Removed |Added Resolution|--- |FIXED Status|ASSIGNED

[Bug target/115375] [15 Regression] RISCV scan failures since 2024-05-04

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115375 Jeffrey A. Law changed: What|Removed |Added Resolution|--- |FIXED Status|UNCONFIRMED

[Bug target/118036] [15 Regression] RISC-V: gcc.dg/vect/vect-alias-check-1[12].c abort

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118036 --- Comment #3 from Jeffrey A. Law --- This is fixed by Robin's varasm.cc patch. I'm doing some testing on the updated version of that patch now.

[Bug tree-optimization/85316] [meta-bug] VRP range propagation missed cases

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85316 Bug 85316 depends on bug 101186, which changed state. Bug 101186 Summary: predictable comparison of integer variables not folded https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101186 What|Removed |Added --

[Bug tree-optimization/101186] predictable comparison of integer variables not folded

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101186 Jeffrey A. Law changed: What|Removed |Added Resolution|--- |FIXED Status|NEW

[Bug tree-optimization/110931] [14 Regression] Dead Code Elimination Regression since r14-2890-gcc2003cd875

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110931 Jeffrey A. Law changed: What|Removed |Added Summary|[14/15 Regression] Dead |[14 Regression] Dead Code

[Bug target/112109] riscv vectorized strcmp (and other) expanders should honor TARGET_MAX_LMUL

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112109 Jeffrey A. Law changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug testsuite/114182] gcc.c-torture/compile/attr-complex-method-2.c fails for H8/300

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114182 Jeffrey A. Law changed: What|Removed |Added Resolution|--- |FIXED Status|NEW

[Bug target/113828] ICE: in riscv_expand_mult_with_const_int, at config/riscv/riscv.cc:2587 with -march=rv64ifv and vfloat32m1_t/vfloat32m4_t function args

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113828 Jeffrey A. Law changed: What|Removed |Added Resolution|--- |FIXED Status|UNCONFIRMED

[Bug target/106544] riscv_print_operand does not check to see if the operands are valid to do INTVAL on them

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106544 Jeffrey A. Law changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug target/114222] gcc.c-torture/execute/builtin-bitops-1.c fails for H8/300

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114222 Jeffrey A. Law changed: What|Removed |Added Resolution|--- |INVALID Status|UNCONFIRMED

[Bug target/116662] The value of __GCC_DESTRUCTIVE_SIZE for riscv64 could be improved

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116662 Jeffrey A. Law changed: What|Removed |Added CC||jason at gcc dot gnu.org,

[Bug rtl-optimization/109592] Failure to recognize shifts as sign/zero extension

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109592 Jeffrey A. Law changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |law at gcc dot gnu.org

[Bug rtl-optimization/117836] [meta-bug] favoid-store-forwarding issues

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117836 Bug 117836 depends on bug 117835, which changed state. Bug 117835 Summary: wrong code with -O -favoid-store-forwarding -mno-push-args --param=store-forwarding-max-distance=0 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117835 What

[Bug target/117835] wrong code with -O -favoid-store-forwarding -mno-push-args --param=store-forwarding-max-distance=0

||law at gcc dot gnu.org Status|ASSIGNED|RESOLVED --- Comment #5 from Jeffrey A. Law --- Fixed on the trunk.

[Bug target/106544] riscv_print_operand does not check to see if the operands are valid to do INTVAL on them

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106544 Jeffrey A. Law changed: What|Removed |Added Last reconfirmed||2024-12-30 Status|UNCONFIR

[Bug target/118122] [15 Regression] ICE: in extract_insn, at recog.cc:2869 (unrecognizable insn) (ior:DI (reg:SI) (reg:DI)) with -O -fno-tree-ter -fno-forward-propagate

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118122 Jeffrey A. Law changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug rtl-optimization/111467] REE failing to eliminate redundant extension due to multiple reaching def(s)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111467 Jeffrey A. Law changed: What|Removed |Added Ever confirmed|0 |1 Last reconfirmed|

[Bug tree-optimization/111515] [14 Regression] Missed Dead Code Elimination since r14-4089-gd45ddc2c04e

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111515 Jeffrey A. Law changed: What|Removed |Added Summary|[14/15 Regression] Missed |[14 Regression] Missed Dead

[Bug target/117286] [RISC-V] internal compiler error: Segmentation fault `__riscv_vlmul_ext_v_f16mf2_f16m1`

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117286 Jeffrey A. Law changed: What|Removed |Added Resolution|--- |FIXED Status|UNCONFIRMED

[Bug target/117481] ICE: maximum number of generated reload insns per insn achieved (90) with -O -mrvv-vector-bits=zvl -march=rv64gcv -mabi=lp64e

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117481 Jeffrey A. Law changed: What|Removed |Added Resolution|--- |WONTFIX Status|UNCONFIRMED

[Bug target/117688] [15 Regression] RISC-V: Wrong code for .SAT_SUB

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117688 Jeffrey A. Law changed: What|Removed |Added Resolution|--- |FIXED Status|UNCONFIRMED

[Bug target/118122] [15 Regression] ICE: in extract_insn, at recog.cc:2869 (unrecognizable insn) (ior:DI (reg:SI) (reg:DI)) with -O -fno-tree-ter -fno-forward-propagate

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118122 Jeffrey A. Law changed: What|Removed |Added Ever confirmed|0 |1 Last reconfirmed|

[Bug target/116715] RISC-V: Miscompile at -O2 with -march=rv64id_zbs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116715 Jeffrey A. Law changed: What|Removed |Added Resolution|--- |FIXED Status|NEW

[Bug tree-optimization/19794] [meta-bug] Jump threading related bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=19794 Bug 19794 depends on bug 85186, which changed state. Bug 85186 Summary: jump threading can rotate loops affecting loop form, and causing vectorization not to happen https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85186 What|Removed

[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 82090, which changed state. Bug 82090 Summary: Bogus warning: ‘magic_p’ may be used uninitialized in this function [-Wmaybe-uninitialized] https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82090 What|Removed

[Bug tree-optimization/82090] Bogus warning: ‘magic_p’ may be used uninitialized in this function [-Wmaybe-uninitialized]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82090 Jeffrey A. Law changed: What|Removed |Added Resolution|--- |FIXED Status|NEW

[Bug tree-optimization/53947] [meta-bug] vectorizer missed-optimizations

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53947 Bug 53947 depends on bug 85186, which changed state. Bug 85186 Summary: jump threading can rotate loops affecting loop form, and causing vectorization not to happen https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85186 What|Removed

[Bug tree-optimization/85186] jump threading can rotate loops affecting loop form, and causing vectorization not to happen

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85186 Jeffrey A. Law changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug tree-optimization/91645] Missed optimization with sqrt(x*x)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91645 Jeffrey A. Law changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug tree-optimization/85316] [meta-bug] VRP range propagation missed cases

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85316 Bug 85316 depends on bug 91645, which changed state. Bug 91645 Summary: Missed optimization with sqrt(x*x) https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91645 What|Removed |Added -

[Bug target/106517] RISC-V: Inefficient Generated Code for Floating Point to Integer Rounds

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106517 Jeffrey A. Law changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug target/117835] wrong code with -O -favoid-store-forwarding -mno-push-args --param=store-forwarding-max-distance=0

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117835 --- Comment #3 from Jeffrey A. Law --- *** Bug 117872 has been marked as a duplicate of this bug. ***

[Bug rtl-optimization/117836] [meta-bug] favoid-store-forwarding issues

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117836 Bug 117836 depends on bug 117872, which changed state. Bug 117872 Summary: wrong code with -O -maccumulate-outgoing-args --param=store-forwarding-max-distance=1000 -favoid-store-forwarding https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117872

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