[Bug rtl-optimization/82024] New: [8 Regression] wrong code with -Og -fgcse-sm -frerun-cse-after-loop --param=max-combine-insns=3

Keywords: wrong-code Severity: normal Priority: P3 Component: rtl-optimization Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Target: x86_64

[Bug tree-optimization/81913] New: [8 Regression] wrong code at -O1

Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Target: x86_64-pc-linux-gnu Created attachment 42020 --> https://gcc.gnu.org/bugzi

[Bug target/81291] [5/6/7/8 Regression] wrong code with -O2 -fno-rerun-cse-after-loop -fno-tree-ter -fno-tree-vrp -funroll-loops due to improper carry

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81291 --- Comment #1 from Zdenek Sojka --- Created attachment 41673 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=41673=edit testcase needing less compiler flags $ powerpc-unknown-linux-gnu-gcc -Og -fgcse -fweb testcase.c $ qemu-ppc ./a.out

[Bug target/81286] [6/7 Regression] building for powerpc*-unknown-linux-gnu target fails with RTL checking enabled

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81286 --- Comment #2 from Zdenek Sojka --- (In reply to Jakub Jelinek from comment #1) > Created attachment 41666 [details] > gcc7-pr81286.patch > > Untested fix. gpc_reg_operand allows in some cases a SUBREG of a REG, but > REGNO is not valid in

[Bug target/81291] New: [5/6/7/8 Regression] wrong code with -O2 -fno-rerun-cse-after-loop -fno-tree-ter -fno-tree-vrp -funroll-loops due to improper carry

Version: 8.0 Status: UNCONFIRMED Keywords: wrong-code Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host

[Bug target/81286] New: [6/7 Regression] building for powerpc*-unknown-linux-gnu target fails with RTL checking enabled

Status: UNCONFIRMED Keywords: ice-checking, ice-on-valid-code Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux

[Bug rtl-optimization/81020] New: [6/7/8 Regression] wrong code with -O -fno-tree-bit-ccp -fno-tree-coalesce-vars -fno-tree-vrp

: UNCONFIRMED Keywords: wrong-code Severity: normal Priority: P3 Component: rtl-optimization Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu

[Bug rtl-optimization/81019] New: [6/7/8 Regression] wrong code with -O -fno-tree-ccp

Priority: P3 Component: rtl-optimization Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Target: x86_64-pc-linux-gnu Build: x86_64-pc-linux-gnu Created

[Bug rtl-optimization/80693] New: [6/7/8 Regression] wrong code with -O -fno-tree-coalesce-vars

Severity: normal Priority: P3 Component: rtl-optimization Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Created attachment 41335 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=41335=edit redu

[Bug ipa/78644] [7 Regression] ICE: SIGSEGV in is_gimple_reg_type with -Og -fipa-cp

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78644 --- Comment #6 from Zdenek Sojka --- Created attachment 40981 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40981=edit another testcase $ x86_64-pc-linux-gnu-gcc -Og -finline-functions-called-once testcase.c -Wno-psabi ==20182== Invalid

[Bug rtl-optimization/79910] New: [7 Regression] wrong code with -O -fweb

Component: rtl-optimization Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Target: x86_64-pc-linux-gnu Created attachment 40892 --> https://gcc.gnu.org/bugzi

[Bug target/79450] New: [5/6/7 Regression] wrong code with loop at -O1

Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Target: x86_64-pc-linux-gnu Created attachment 40710 --> https://gcc.gnu.org/bugzi

[Bug rtl-optimization/79388] New: [6/7 Regression] wrong code with -O -fno-tree-coalesce-vars

Severity: normal Priority: P3 Component: rtl-optimization Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Target: x86_64-pc-linux-gnu Created attachment

[Bug driver/78957] New: ICE: SIGSEGV with -fno-sso-struct=web

Priority: P3 Component: driver Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Likely similar to PR78933 Compiler output: $ valgrind x86_64-pc-linux-gnu-gcc /dev/null -o /dev/null -fno-sso-struct=web ==24593== Invalid read

[Bug c/78933] New: ICE: in decode_cmdline_option, at opts-common.c:671 with -fno-strong-eval-order

: ice-on-valid-code Severity: normal Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Compiler output: $ echo "" | x86_64-pc-linux-gnu-gcc -fno-strong-eval-order

[Bug target/78671] New: ICE: in extract_constrain_insn, at recog.c:2213 with -Og -march=skylake-avx512

: ice-on-valid-code Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Target: x86_64-pc-linux-gnu

[Bug target/78669] New: ICE: in combine_and_move_insns, at ira.c:3665 with -Os -fno-tree-ter -mavx512bw

: ice-on-valid-code Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Target: x86_64-pc-linux-gnu

[Bug ipa/78644] New: [7 Regression] ICE: SIGSEGV in is_gimple_reg_type with -Og -fipa-cp

, ice-on-valid-code Severity: normal Priority: P3 Component: ipa Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Target: x86_64-pc-linux-gnu

[Bug target/78585] New: unaligned vmovaps memory operand generated for i686 target

Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Target: i686-pc-linux-gnu Build: x86_64-pc-linux

[Bug rtl-optimization/78575] New: [7 Regression] ICE: in trunc_int_for_mode, at explow.c:55 with -O2 -g

-on-valid-code Severity: normal Priority: P3 Component: rtl-optimization Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Target: x86_64-pc-linux-gnu

[Bug rtl-optimization/78546] [6/7 Regression] wrong code at -O2 and above

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78546 --- Comment #14 from Zdenek Sojka --- (In reply to Jakub Jelinek from comment #12) > Therefore the comment should be > /* CST1 - (CST2 - A) -> (CST1 - CST2) - A */ > rather than > /* CST - (CST - A) -> CST - A */ How comes it is not "CST1 -

[Bug rtl-optimization/78547] New: [7 Regression] ICE: in loc_cmp, at var-tracking.c:3417 with -Os -g -mstringop-strategy=libcall -freorder-blocks-algorithm=simple

Version: 7.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: rtl-optimization Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone

[Bug tree-optimization/78546] [6/7 Regression] wrong code at -O2 and above

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78546 Zdenek Sojka changed: What|Removed |Added Attachment #40159|0 |1 is obsolete|

[Bug tree-optimization/78546] New: [6/7 Regression] wrong code at -O2 and above

Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Target: x86_64-pc-linux-gnu Build: x86_64-pc-linux-gnu Created

[Bug tree-optimization/78542] New: [7 Regression] wrong code at -Og results in endless loop

Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Target: x86_64-pc-linux-gnu Build: x86_64

[Bug tree-optimization/78540] New: [6/7 Regression] ICE: in df_refs_verify, at df-scan.c:4062 with -O -march=core2

: ice-on-valid-code Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Target: x86_64-pc-linux

[Bug rtl-optimization/78526] New: [7 Regression] ICE: in decompose, at rtl.h:2117 with -g -mavx512bw

-code Severity: normal Priority: P3 Component: rtl-optimization Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Target: x86_64-pc-linux-gnu

[Bug ipa/78515] New: [7 Regression] ICE: in fold_binary_loc, at fold-const.c:8999 with -Os -mavx512bw

: ice-on-valid-code Severity: normal Priority: P3 Component: ipa Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Target: x86_64-pc-linux-gnu

[Bug target/65496] ICE: in maybe_record_trace_start, at dwarf2cfi.c:2318 with -O3 -fsched2-use-superblocks -mavx512dq --param=max-pending-list-length=0

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65496 Zdenek Sojka changed: What|Removed |Added Known to fail||7.0 --- Comment #4 from Zdenek Sojka

[Bug rtl-optimization/78447] New: [7 Regression] wrong code when combine changes shifts by << 5 and >> 15 to >> 10 at -O

tatus: UNCONFIRMED Keywords: wrong-code Severity: normal Priority: P3 Component: rtl-optimization Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Targe

[Bug rtl-optimization/78416] New: wrong code for division by (u128)~INT64_MAX at -O0

Priority: P3 Component: rtl-optimization Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Target: x86_64-pc-linux-gnu Build: x86_64-pc-linux-gnu Created

[Bug rtl-optimization/78400] New: [7 Regression] ICE: in df_refs_verify, at df-scan.c:4045 when building powerpc crosscompiler

Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: rtl-optimization Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Target

[Bug rtl-optimization/78378] [5/6/7 Regression] wrong code when combining shift + mult + zero_extend

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78378 --- Comment #3 from Zdenek Sojka --- (In reply to Jakub Jelinek from comment #2) > r163380 still works, r163394 fails, so most likely one of r163383, r163384 > or r163389. r163383 added the four-insn combinations, and this is what happens in

[Bug rtl-optimization/78378] New: [5/6/7 Regression] wrong code when combining shift + mult + zero_extend

-code Severity: normal Priority: P3 Component: rtl-optimization Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Target: x86_64-pc-linux-gnu

[Bug target/78362] New: [7 Regression] ICE: RTL check: expected code 'reg', have 'subreg' in rhs_regno, at rtl.h:1804 during libgomp build

: 7.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc

[Bug tree-optimization/78312] [7 Regression] wrong code probably due to VRP of multiplication

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78312 --- Comment #2 from Zdenek Sojka --- (In reply to Richard Biener from comment #1) > Hmm. > > So [0, 1] * ~[1, 65534] gets > > MEET ([0, 1] * [0, 0] == [0, 0], > [0, 1] * [65535, 65535] == ~[1, 65534]) == ~[1, 65534] > > that looks ok to

[Bug tree-optimization/78312] New: [7 Regression] wrong code probably due to VRP of multiplication

Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Target: x86_64-pc-linux-gnu Created attachment 40022 --> https://gcc.gnu.

[Bug target/78310] New: ICE: insn does not satisfy its constraints: {*bmi2_rorxdi3_1} with -mbmi2

-on-valid-code Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Target: x86_64-pc-linux-gnu Created attachment 40021 --> https://gcc.gnu.

[Bug target/78262] New: [7 Regression] wrong code with -fschedule-insns

Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Target: x86_64-pc-linux-gnu Created attachment 39996 --> https://gcc.gnu.org/bugzi

[Bug rtl-optimization/78241] [7 Regression] wrong code with -funroll-loops

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78241 --- Comment #1 from Zdenek Sojka --- $ x86_64-pc-linux-gnu-gcc -v Using built-in specs. COLLECT_GCC=/repo/gcc-trunk/binary-latest-amd64/bin/x86_64-pc-linux-gnu-gcc

[Bug rtl-optimization/78241] New: [7 Regression] wrong code with -funroll-loops

Priority: P3 Component: rtl-optimization Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Created attachment 39983 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=39983=edit redu

[Bug target/78227] New: ICE: unrecognizable insn: in extract_insn, at recog.c:2311 with -mavx512bw

-on-valid-code Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Target: x86_64-pc-linux-gnu

[Bug target/77834] New: [7 Regression] ICE: in make_decl_rtl, at varasm.c:1311 with -O -ftree-pre -mstringop-strategy=libcall

: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Target

[Bug target/77833] New: [7 Regression] ICE: in plus_constant, at explow.c:87 with -O -mavx512f

-on-valid-code Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Target: x86_64-pc-linux-gnu

[Bug sanitizer/77823] [7 Regression] ICE: in ubsan_encode_value, at ubsan.c:137 with -fsanitize=undefined and vector types

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77823 --- Comment #4 from Zdenek Sojka --- (In reply to Jakub Jelinek from comment #3) > Created attachment 39735 [details] > gcc7-pr77823.patch > > Short patch to fix the ICE. > > That said, we should think of what to do with the generic vector

[Bug sanitizer/77823] New: [7 Regression] ICE: in ubsan_encode_value, at ubsan.c:137 with -fsanitize=undefined and vector types

Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: sanitizer Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz CC: dodji at gcc dot gnu.org, dvyukov at gcc dot gnu.org

[Bug target/77761] New: [7 Regression] wrong code with -fschedule-insns -mavx512f --param=max-pending-list-length=512

Keywords: wrong-code Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Target: x86_64-pc-linux-gnu

[Bug target/77541] New: [7 Regression] wrong code with 512bit vectors of int128 @ -O1

Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Target: x86_64-pc-linux-gnu Build: x86_64-pc

[Bug target/77527] New: [7 Regression] ICE: in make_decl_rtl, at varasm.c:1311 with -mstringop-strategy=libcall

Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Target: x86_64-pc-linux-gnu

[Bug target/77526] New: [7 Regression] ICE: in verify_dominators, at dominance.c:1039 with -mstringop-strategy=byte_loop

Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Target: x86_64-pc

[Bug target/77452] [7 Regression] ICE: in plus_constant, at explow.c:87 with -fno-split-wide-types -mavx512f --param=max-combine-insns=2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77452 --- Comment #1 from Zdenek Sojka --- (gdb) p mode $4 = SImode (gdb) p *x $6 = {code = CONST_VECTOR, mode = V2SImode, ...

[Bug target/77452] New: [7 Regression] ICE: in plus_constant, at explow.c:87 with -fno-split-wide-types -mavx512f --param=max-combine-insns=2

: 7.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc

[Bug tree-optimization/77450] New: [5/6/7 Regression] ICE: in verify_ssa, at tree-ssa.c:1016 on very simple code with vectors

Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Target

[Bug target/77403] New: [7 Regression] assemble failure of vinserti64x4 with -masm=intel

-failure Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Target: x86_64-pc-linux-gnu Build

[Bug rtl-optimization/77401] [7 Regression] ICE: in simplify_binary_operation_1, at simplify-rtx.c:3731 with out-of-bounds vector access

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77401 --- Comment #1 from Zdenek Sojka --- Created attachment 39507 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=39507=edit reduced testcase

[Bug rtl-optimization/77401] New: [7 Regression] ICE: in simplify_binary_operation_1, at simplify-rtx.c:3731 with out-of-bounds vector access

: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: rtl-optimization Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu

[Bug rtl-optimization/76783] New: [7 Regression] wrong code with conditional vector assignment @ -Og

Severity: normal Priority: P3 Component: rtl-optimization Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Target: x86_64-pc-linux-gnu

[Bug target/72717] New: ICE: in emit_move_insn, at expr.c:3693 with vector shift @ powerpc64le

-on-valid-code Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Target: powerpc64le-unknown-linux-gnu

[Bug target/71984] New: [7 Regression] wrong code with -O -mavx512cd

Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Target: x86_64-pc-linux-gnu Build: x86_64-pc-linux-gnu Created attachment 38958

[Bug rtl-optimization/69891] wrong code with -mstringop-strategy=libcall @ i686

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69891 --- Comment #19 from Zdenek Sojka --- Target milestone 4.9.4 is not set.

[Bug middle-end/71719] New: [7 Regression] invalid set-but-not-used warning with vectors

Priority: P3 Component: middle-end Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Created attachment 38806 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38806=edit reduced testcase Compiler output: $ gcc -Wall

[Bug middle-end/71619] New: [7 Regression] ICE: in predict_loops, at predict.c:1772 with --param=max-predicted-iterations=0

Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: middle-end Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Target: x86_64-pc-linux-gnu Created attachment 38743

[Bug rtl-optimization/71591] New: SIGSEGV in test_uncond_jump (rtl-tests.c:90) with -E -fself-test

-code Severity: normal Priority: P3 Component: rtl-optimization Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Compiler output: $ echo '' | x86_64-pc-linux-gnu-gcc -E -fself-test -xc - # 1 ""

[Bug target/71555] New: [7 Regression] ICE: compilation "never" finishes with -O -mtune=sandybridge -mavx512bw

NCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Target: x86_64-pc

[Bug tree-optimization/71428] [7 Regression] wrong code with -Os -fno-tree-forwprop (breaks in the .bswap dump)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71428 --- Comment #7 from Zdenek Sojka --- *** Bug 71427 has been marked as a duplicate of this bug. ***

[Bug tree-optimization/71427] [7 Regression] wrong code with -Os -fno-tree-forwprop (breaks in the .bswap dump)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71427 Zdenek Sojka changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug tree-optimization/71428] [7 Regression] wrong code with -Os -fno-tree-forwprop (breaks in the .bswap dump)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71428 --- Comment #2 from Zdenek Sojka --- I cannot upload any attachment to bugzilla (requests just time out), so here it is as a plain text: $ cat testcase.c typedef unsigned short v64u16 __attribute__ ((vector_size (64))); v64u16 foo (v64u16 p1) {

[Bug tree-optimization/71428] [7 Regression] wrong code with -Os -fno-tree-forwprop (breaks in the .bswap dump)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71428 --- Comment #1 from Zdenek Sojka --- Created attachment 38649 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38649=edit reduced testcase

[Bug tree-optimization/71428] New: [7 Regression] wrong code with -Os -fno-tree-forwprop (breaks in the .bswap dump)

: wrong-code Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Compiler output: $ x86_64-pc-linux-gnu-gcc -Os -fno-tree-forwprop testcase.c

[Bug c++/71365] New: [7 Regression] g++ reject access to parent's parent virtual method

Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Created attachment 38615 --> https://gcc.gnu.org/bugzi

[Bug target/70904] New: ICE: Max. number of generated reload insns per insn is achieved (90) with -fno-split-wide-types @ aarch64

: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Target

[Bug target/70903] New: [4.9/5/6/7 Regression] wrong code with bfi @ aarch64 with -Os

Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Target: aarch64-unknown-linux-gnu Created attachment 38392

[Bug target/70662] New: vpbroadcastq assemble failure with -masm=intel -mavx512vbmi

Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Target: x86_64-pc-linux-gnu Created attachment 38267 --> https://gcc.gnu.org/bugzi

[Bug rtl-optimization/70596] New: [6 Regression] -fcompare-debug failure with one extra NOTE_INSN_DELETED

: normal Priority: P3 Component: rtl-optimization Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Target: x86_64-pc-linux-gnu Created attachment 38222 --> https://gcc.gnu.org/bugzilla/attachment.cgi

[Bug target/70574] New: [5/6 Regression] wrong code with -mavx2, read of partially initialised stack variable

Keywords: wrong-code Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Target: x86_64-pc-linux-gnu Created attachment 38210 --> ht

[Bug target/70525] New: generating 'vpandn' without the mode suffix, gnu as fails to assemble (-mavx512bw)

Keywords: assemble-failure Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Target: x86_64-pc-linux-gnu Created attachment 38174 --> ht

[Bug tree-optimization/70509] wrong code with extract from a v64qi

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70509 --- Comment #5 from Zdenek Sojka --- (In reply to Zdenek Sojka from comment #4) > x86_64 bootstrap finished (the code is likely not triggered), regtest > running. It also fixes several wrong-code testcases that I failed to reduce to a

[Bug tree-optimization/70509] wrong code with extract from a v64qi

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70509 --- Comment #4 from Zdenek Sojka --- (In reply to Marc Glisse from comment #3) > Rereading this a few years later, I have no idea why I used that type. > bitsize_int would make more sense... I've already tried this: --- gcc/tree-ssa-forwprop.c

[Bug tree-optimization/70509] wrong code with extract from a v64qi

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70509 --- Comment #2 from Zdenek Sojka --- (In reply to Zdenek Sojka from comment #0) > First broken dump seems to be .forwprop, where is: .forwprop4 , that is. The problem might be that simplify_bitfield_ref() does: tree-ssa-forwprop.c ... 1793:

[Bug tree-optimization/70509] wrong code with extract from a casted vector(64)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70509 --- Comment #1 from Zdenek Sojka --- Created attachment 38161 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38161=edit reduced testcase, without casts Output: $ sde64 -- ./a.out 0009 Aborted

[Bug target/70510] New: ICE: output_operand: invalid %-code with -mavx512bw -masm=intel when emitting vpbroatcast

Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Target: x86_64-pc-linux-gnu Created attachment 38160 --> https://gcc.gnu.org/bugzilla/attachment.

[Bug tree-optimization/70509] New: wrong code with extract from a casted vector(64)

Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Target: x86_64-pc-linux-gnu Created attachment 38159 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38159=e

[Bug target/70453] New: gcc generates invalid instruction vextractu64x4 (should be: vextracti64x4)

: assemble-failure Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Target: x86_64-pc-linux-gnu Created attachment 38131 --> https://gcc.gnu.

[Bug target/70421] [5/6 Regression] wrong code with v16si vector and useless cast at -O -mavx512f

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70421 --- Comment #6 from Zdenek Sojka --- (In reply to Jakub Jelinek from comment #4) > (In reply to Zdenek Sojka from comment #3) > > Is the fact that the useless cast in: > > x ^= ((v16si)v)[u[0]]; > > changes the generated code (makes it

[Bug middle-end/70434] [5/6 Regression] adding an extraneous cast to vector type results in different code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70434 Zdenek Sojka changed: What|Removed |Added Known to work||4.9.4 Summary|adding an

[Bug middle-end/70434] New: adding an extraneous cast to vector type results in different code

Priority: P3 Component: middle-end Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Created attachment 38119 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38119=edit testcases Originally obser

[Bug target/70421] [5/6 Regression] wrong code with v16si vector and useless cast at -O -mavx512f

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70421 --- Comment #3 from Zdenek Sojka --- (In reply to Jakub Jelinek from comment #2) > Untested fix: > --- gcc/config/i386/i386.c(revision 234449) > +++ gcc/config/i386/i386.c(working copy) > @@ -46930,7 +46930,7 @@ half: > { >

[Bug target/70421] [5/6 Regression] wrong code with v16si vector and useless cast at -O -mavx512f

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70421 --- Comment #1 from Zdenek Sojka --- The operation done by the vmovdqa32 instruction is inverted; this fixes the assembly (-O3, intel syntax): @@ -72,7 +72,7 @@ and rsp, -64#, pushQWORD PTR [r10-8] #

[Bug target/70421] New: [5/6 Regression] wrong code with v16si vector and useless cast at -O -mavx512f

: wrong-code Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Target: x86_64-pc-linux-gnu Created attachment 38106 --> https://gcc.gnu.

[Bug target/70406] New: ICE: in extract_insn, at recog.c:2287 (unrecognizable insn) with -mtune=pentium2 -mavx512f

Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Target: i686-pc-linux-gnu Compiler output: $ i686-pc-linux-gnu

[Bug target/70406] ICE: in extract_insn, at recog.c:2287 (unrecognizable insn) with -mtune=pentium2 -mavx512f

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70406 --- Comment #1 from Zdenek Sojka --- Created attachment 38088 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38088=edit reduced testcase

[Bug rtl-optimization/70405] New: -fcompare-debug failure with -mavx512f

Priority: P3 Component: rtl-optimization Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Target: x86_64-pc-linux-gnu, i686-pc-linux-gnu Created attachment 38087 --> https://gcc.gnu.org/bugzilla/attachment.cgi

[Bug rtl-optimization/70398] New: [6 Regression] gcc.dg/vect/slp-multitypes-9.c FAILs with -fno-tree-loop-optimize -fno-tree-ter

Keywords: wrong-code Severity: normal Priority: P3 Component: rtl-optimization Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Target: aarch64-unknown-linux-gnu Created attachment

[Bug rtl-optimization/70374] [5/6 Regression] ICE: in assign_by_spills, at lra-assigns.c:1428 (unable to find a register to spill) with -march=core2 -fno-split-wide-types -mavx512f

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70374 --- Comment #1 from Zdenek Sojka --- Created attachment 38070 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38070=edit reduced testcase

[Bug rtl-optimization/70374] New: [5/6 Regression] ICE: in assign_by_spills, at lra-assigns.c:1428 (unable to find a register to spill) with -march=core2 -fno-split-wide-types -mavx512f

at seznam dot cz Target Milestone: --- Target: x86_64-pc-linux-gnu Compiler output: $ gcc -O -march=core2 -fschedule-insns -fno-split-wide-types -mavx512f testcase.c testcase.c: In function 'foo': testcase.c:11:1: error: unable to find a register to spill } ^ testcase.c:11:1

[Bug tree-optimization/70372] New: ICE: in wide_int_to_tree, at tree.c:1488 with -fno-tree-fre and v2ti vectors

-on-valid-code Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Target: x86_64-pc-linux-gnu Created attachment 38068 --> ht

[Bug target/70355] New: ICE: in simplify_subreg_concatn, at lower-subreg.c:617 with -funroll-loops -mavx512f

Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Target: x86_64-pc-linux-gnu Created attachment 38056 --> ht

[Bug target/70329] New: wrong code with -mavx512bw and 64byte vectors

Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Target: x86_64-pc-linux-gnu Created attachment 38041 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38041=edit reduced testc

[Bug target/70327] New: ICE: in extract_insn, at recog.c:2287 (unrecognizable insn) with -mavx512ifma and v4ti argument

Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Target: x86_64-pc-linux-gnu Created attachment 38040

[Bug rtl-optimization/70326] New: [6 Regression] ICE: RTL check: expected elt 3 type 'e' or 'u', have '0' (rtx note) in PATTERN, at rtl.h:1440

: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: rtl-optimization Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Target: x86_64-pc-linux-gnu Created

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