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From: "patrick at rivosinc dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/112755] RISC-V regression testsuite errors with
 rv32gcv_zvl256b
Date: Mon, 04 Dec 2023 22:17:11 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D112755

Patrick O'Neill <patrick at rivosinc dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #56711|0                           |1
        is obsolete|                            |

--- Comment #2 from Patrick O'Neill <patrick at rivosinc dot com> ---
Created attachment 56797
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D56797&action=3Dedit
rv32gcv_zvl256b testsuite failures 2023-12-04

Tested with hash 0c2ea80a4ffbddc0bc29f5badaf2ae43e59483b2
CI run:
https://github.com/patrick-rivos/gcc-postcommit-ci/actions/runs/7089317318

Comparison with zvl128b (pr112754):

Resolved failures (present on zvl128b but not zvl256b):
XPASS: g++.dg/tree-ssa/pr83518.C  -std=3Dgnu++14  scan-tree-dump optimized
"return 15;"
XPASS: g++.dg/tree-ssa/pr83518.C  -std=3Dgnu++17  scan-tree-dump optimized
"return 15;"
XPASS: g++.dg/tree-ssa/pr83518.C  -std=3Dgnu++20  scan-tree-dump optimized
"return 15;"
XPASS: g++.dg/tree-ssa/pr83518.C  -std=3Dgnu++98  scan-tree-dump optimized
"return 15;"

New failures (present on zvl256b but not zvl128b):
FAIL: gcc.dg/pr30957-1.c execution test
FAIL: gcc.dg/pr30957-1.c scan-rtl-dump loop2_unroll "Expanding Accumulator"
FAIL: gcc.dg/torture/pr109219.c   -O3 -fomit-frame-pointer -funroll-loops
-fpeel-loops -ftracer -finline-functions  (internal compiler error: in
partial_subreg_p, at rtl.h:3187)
FAIL: gcc.dg/torture/pr109219.c   -O3 -fomit-frame-pointer -funroll-loops
-fpeel-loops -ftracer -finline-functions  (test for excess errors)
FAIL: gcc.dg/tree-ssa/ivopts-lt-2.c scan-tree-dump-times ivopts "PHI <p_" 1
FAIL: gcc.dg/tree-ssa/ivopts-lt-2.c scan-tree-dump-times ivopts "PHI" 1
FAIL: gcc.dg/tree-ssa/ivopts-lt-2.c scan-tree-dump-times ivopts "p_[0-9]* <=
" 1
FAIL: gcc.dg/tree-ssa/pr32044.c scan-tree-dump-times optimized " / " 0
FAIL: gcc.dg/tree-ssa/scev-12.c scan-tree-dump-times ivopts "=20
Type:\\tREFERENCE ADDRESS\n" 1
XPASS: gcc.dg/vect/slp-reduc-7.c -flto -ffat-lto-objects  scan-tree-dump-ti=
mes
vect "vectorizing stmts using SLP" 1
XPASS: gcc.dg/vect/slp-reduc-7.c scan-tree-dump-times vect "vectorizing stm=
ts
using SLP" 1
FAIL: gcc.dg/vect/slp-reduc-sad-2.c -flto -ffat-lto-objects  scan-tree-dump=
-not
vect "access with gaps requires scalar epilogue loop"
FAIL: gcc.dg/vect/slp-reduc-sad-2.c scan-tree-dump-not vect "access with ga=
ps
requires scalar epilogue loop"
FAIL: gcc.dg/vect/trapv-vect-reduc-4.c scan-tree-dump-times vect "using an
in-order \\(fold-left\\) reduction" 1
FAIL: gcc.target/riscv/rvv/base/cpymem-1.c check-function-bodies f3
FAIL: gcc.target/riscv/rvv/base/cpymem-2.c check-function-bodies f1
FAIL: gcc.target/riscv/rvv/base/cpymem-2.c check-function-bodies f2
FAIL: gcc.target/riscv/rvv/base/cpymem-2.c check-function-bodies f3


Comparison with hash ad3e759c172272f6f2ba66631e7e7bd03fb2b436 zvl256b (prev=
ious
report):

Resolved:
FAIL: g++.dg/other/pr55650.C  -std=3Dgnu++14 (test for excess errors)
FAIL: g++.dg/other/pr55650.C  -std=3Dgnu++17 (test for excess errors)
FAIL: g++.dg/other/pr55650.C  -std=3Dgnu++20 (test for excess errors)
FAIL: g++.dg/other/pr55650.C  -std=3Dgnu++98 (test for excess errors)
FAIL: g++.dg/tree-prof/indir-call-prof-2.C compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: g++.dg/tree-prof/indir-call-prof.C compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: g++.dg/tree-prof/indir-call-recursive-inlining.C compilation,=20
-fprofile-generate -D_PROFILE_GENERATE
FAIL: g++.dg/tree-prof/inline_mismatch_args.C compilation,  -fprofile-gener=
ate
-D_PROFILE_GENERATE
FAIL: g++.dg/tree-prof/morefunc.C compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: g++.dg/tree-prof/partition1.C compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: g++.dg/tree-prof/partition2.C compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: g++.dg/tree-prof/partition3.C compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: g++.dg/tree-prof/pr35545.C compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: g++.dg/tree-prof/pr51719.C compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: g++.dg/tree-prof/pr53460.C compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: g++.dg/tree-prof/pr57451.C compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: g++.dg/tree-prof/pr59255.C compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: g++.dg/tree-prof/pr63581.C compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: g++.dg/tree-prof/pr79259.C compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: g++.dg/tree-prof/reorder.C compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: gfortran.dg/class_67.f90   -O3 -fomit-frame-pointer -funroll-loops
-fpeel-loops -ftracer -finline-functions  execution test
FAIL: gfortran.dg/prof/dynamic_dispatch_6.f03 compilation,  -fprofile-gener=
ate
-D_PROFILE_GENERATE
FAIL: gcc.dg/profile-generate-3.c (test for excess errors)
FAIL: gcc.dg/lto/pr69188 c_lto_pr69188_0.o-c_lto_pr69188_1.o link,  -flto -=
O0
-fprofile-generate
FAIL: gcc.dg/tree-prof/20041218-1.c compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: gcc.dg/tree-prof/20050826-2.c compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: gcc.dg/tree-prof/bb-reorg.c compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: gcc.dg/tree-prof/cmpsf-1.c compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: gcc.dg/tree-prof/cold_partition_label.c compilation,  -fprofile-gener=
ate
-D_PROFILE_GENERATE
FAIL: gcc.dg/tree-prof/comp-goto-1.c compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: gcc.dg/tree-prof/crossmodule-indir-call-topn-1.c compilation,=20
-fprofile-generate -D_PROFILE_GENERATE
FAIL: gcc.dg/tree-prof/crossmodule-indir-call-topn-1a.c compilation,=20
-fprofile-generate -D_PROFILE_GENERATE
FAIL: gcc.dg/tree-prof/crossmodule-indir-call-topn-2.c compilation,=20
-fprofile-generate -D_PROFILE_GENERATE
FAIL: gcc.dg/tree-prof/crossmodule-indircall-1.c compilation,=20
-fprofile-generate -D_PROFILE_GENERATE
FAIL: gcc.dg/tree-prof/crossmodule-indircall-1a.c compilation,=20
-fprofile-generate -D_PROFILE_GENERATE
FAIL: gcc.dg/tree-prof/ic-misattribution-1.c compilation,  -fprofile-genera=
te
-D_PROFILE_GENERATE
FAIL: gcc.dg/tree-prof/ic-misattribution-1a.c compilation,  -fprofile-gener=
ate
-D_PROFILE_GENERATE
FAIL: gcc.dg/tree-prof/indir-call-prof-2.c compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: gcc.dg/tree-prof/indir-call-prof-malloc.c compilation,=20
-fprofile-generate -D_PROFILE_GENERATE
FAIL: gcc.dg/tree-prof/indir-call-prof-topn.c compilation,  -fprofile-gener=
ate
-D_PROFILE_GENERATE
FAIL: gcc.dg/tree-prof/indir-call-prof.c compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: gcc.dg/tree-prof/init-array.c compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: gcc.dg/tree-prof/inliner-1.c compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: gcc.dg/tree-prof/loop-split-1.c compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: gcc.dg/tree-prof/loop-split-2.c compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: gcc.dg/tree-prof/loop-split-3.c compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: gcc.dg/tree-prof/merge_block.c compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: gcc.dg/tree-prof/peel-1.c compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: gcc.dg/tree-prof/peel-2.c compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: gcc.dg/tree-prof/pr108000.c compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: gcc.dg/tree-prof/pr111559.c compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: gcc.dg/tree-prof/pr34999.c compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: gcc.dg/tree-prof/pr44777.c compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: gcc.dg/tree-prof/pr45354.c compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: gcc.dg/tree-prof/pr47187.c compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: gcc.dg/tree-prof/pr49299-1.c compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: gcc.dg/tree-prof/pr49299-2.c compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: gcc.dg/tree-prof/pr50907.c compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: gcc.dg/tree-prof/pr52027.c compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: gcc.dg/tree-prof/pr52150.c compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: gcc.dg/tree-prof/pr59003.c compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: gcc.dg/tree-prof/pr59521-3.c compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: gcc.dg/tree-prof/pr77698.c compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: gcc.dg/tree-prof/pr79587.c compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: gcc.dg/tree-prof/pr96394.c compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: gcc.dg/tree-prof/pr97461.c compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: gcc.dg/tree-prof/prof-robust-1.c compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: gcc.dg/tree-prof/section-attr-1.c compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: gcc.dg/tree-prof/section-attr-2.c compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: gcc.dg/tree-prof/section-attr-3.c compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: gcc.dg/tree-prof/stringop-1.c compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: gcc.dg/tree-prof/stringop-2.c compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: gcc.dg/tree-prof/switch-case-1.c compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: gcc.dg/tree-prof/switch-case-2.c compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: gcc.dg/tree-prof/time-profiler-1.c compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: gcc.dg/tree-prof/tracer-1.c compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: gcc.dg/tree-prof/unroll-1.c compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: gcc.dg/tree-prof/update-cunroll-2.c compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: gcc.dg/tree-prof/update-loopch.c compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: gcc.dg/tree-prof/update-tailcall.c compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: gcc.dg/tree-prof/va-arg-pack-1.c compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: gcc.dg/tree-prof/val-prof-1.c compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: gcc.dg/tree-prof/val-prof-2.c compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: gcc.dg/tree-prof/val-prof-3.c compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: gcc.dg/tree-prof/val-prof-4.c compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: gcc.dg/tree-prof/val-prof-5.c compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: gcc.dg/tree-prof/val-prof-6.c compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: gcc.dg/tree-prof/val-prof-8.c compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: gcc.dg/tree-prof/val-prof-9.c compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: gcc.dg/tree-prof/wcoverage-mismatch.c compilation,  -fprofile-generate
-D_PROFILE_GENERATE
FAIL: gcc.dg/vect/pr111754.c -flto -ffat-lto-objects  scan-tree-dump optimi=
zed
"return { 0.0, 9.0e\\+0, 0.0, 0.0 }"
FAIL: gcc.dg/vect/pr111754.c scan-tree-dump optimized "return { 0.0, 9.0e\\=
+0,
0.0, 0.0 }"
FAIL: gcc.target/riscv/predef-13.c   -O0  (test for excess errors)
FAIL: gcc.target/riscv/predef-13.c   -O1  (test for excess errors)
FAIL: gcc.target/riscv/predef-13.c   -O2  (test for excess errors)
FAIL: gcc.target/riscv/predef-13.c   -O2 -flto -fno-use-linker-plugin
-flto-partition=3Dnone  (test for excess errors)
FAIL: gcc.target/riscv/predef-13.c   -O2 -flto -fuse-linker-plugin
-fno-fat-lto-objects  (test for excess errors)
FAIL: gcc.target/riscv/predef-13.c   -O3 -g  (test for excess errors)
FAIL: gcc.target/riscv/predef-13.c   -Os  (test for excess errors)


New failures:
FAIL: gcc.dg/tree-prof/val-prof-1.c scan-tree-dump optimized "if \\(n_[0-9]=
* !=3D
257\\)"
FAIL: gcc.dg/tree-prof/val-prof-3.c scan-tree-dump optimized "if \\(_[0-9]*=
 \\<
n_[0-9]*"
FAIL: gcc.dg/tree-prof/val-prof-4.c scan-tree-dump optimized "if \\(n_[0-9]*
\\>"
FAIL: gcc.dg/tree-ssa/ssa-sink-16.c (internal compiler error: verify_gimple
failed)
FAIL: gcc.dg/tree-ssa/ssa-sink-16.c (test for excess errors)
FAIL: gcc.target/riscv/rvv/autovec/pr112552.c -O3 -ftree-vectorize (test for
excess errors)


All new failures are also seen on zvl128b: pr112754=