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From: "patrick at rivosinc dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/112599] RISC-V regression testsuite errors with
 rv64gcv_zvl1024b
Date: Mon, 11 Dec 2023 23:59:28 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D112599

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #56795|0                           |1
        is obsolete|                            |

--- Comment #8 from Patrick O'Neill <patrick at rivosinc dot com> ---
Created attachment 56856
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D56856&action=3Dedit
rv64gcv_zvl1024b testsuite failures 2023-12-10

Tested with hash fbfe43daec6443978df65530dc5f7f3f8a4e6f9e
CI run:
https://github.com/patrick-rivos/gcc-postcommit-ci/actions/runs/7158896306

! New issue found with strided_store_run-2.c testcase - seems to timeout wh=
en
compiling.

Comparison with zvl128b (pr112583):

Resolved failures (present on zvl128b but not zvl1024b):
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;"
FAIL: gcc.dg/Wstringop-overflow-47.c pr97027 (test for warnings, line 72)
FAIL: gcc.dg/Wstringop-overflow-47.c pr97027 (test for warnings, line 77)
FAIL: gcc.dg/Wstringop-overflow-47.c pr97027 note (test for warnings, line =
68)
XPASS: gcc.dg/tree-ssa/pr84512.c scan-tree-dump optimized "return 285;"
XPASS: gcc.dg/vect/bb-slp-68.c -flto -ffat-lto-objects  scan-tree-dump-not =
slp2
"from scalars"
XPASS: gcc.dg/vect/bb-slp-68.c scan-tree-dump-not slp2 "from scalars"
FAIL: gcc.dg/vect/bb-slp-cond-1.c -flto -ffat-lto-objects  scan-tree-dump-t=
imes
vect "loop vectorized" 2
FAIL: gcc.dg/vect/bb-slp-cond-1.c scan-tree-dump-times vect "loop vectorize=
d" 2
FAIL: gcc.dg/vect/bb-slp-pr65935.c -flto -ffat-lto-objects=20
scan-tree-dump-times slp1 "optimized: basic block" 11
FAIL: gcc.dg/vect/bb-slp-pr65935.c scan-tree-dump-times slp1 "optimized: ba=
sic
block" 11
FAIL: gcc.dg/vect/bb-slp-subgroups-2.c -flto -ffat-lto-objects=20
scan-tree-dump-times slp2 "optimized: basic block" 1
FAIL: gcc.dg/vect/bb-slp-subgroups-2.c scan-tree-dump-times slp2 "optimized:
basic block" 1
XPASS: gcc.dg/vect/bb-slp-subgroups-3.c -flto -ffat-lto-objects=20
scan-tree-dump-times slp2 "optimized: basic block" 2
XPASS: gcc.dg/vect/bb-slp-subgroups-3.c scan-tree-dump-times slp2 "optimize=
d:
basic block" 2
FAIL: gcc.dg/vect/pr66251.c -flto -ffat-lto-objects  scan-tree-dump-times v=
ect
"vectorized 1 loops" 2
FAIL: gcc.dg/vect/pr66251.c scan-tree-dump-times vect "vectorized 1 loops" 2

New failures (present on zvl1024b but not zvl128b):
FAIL: gfortran.dg/matmul_1.f90   -O3 -fomit-frame-pointer -funroll-loops
-fpeel-loops -ftracer -finline-functions  execution test
FAIL: gfortran.dg/matmul_1.f90   -O3 -g  execution test
FAIL: gfortran.dg/proc_ptr_comp_12.f90   -O3 -fomit-frame-pointer
-funroll-loops -fpeel-loops -ftracer -finline-functions  execution test
FAIL: gfortran.dg/proc_ptr_comp_12.f90   -O3 -g  execution test
FAIL: gfortran.dg/vect/pr83232.f90   -O   scan-tree-dump-times slp1
"vectorizing stmts using SLP" 3
FAIL: gcc.c-torture/unsorted/dump-noaddr.c.*r.avlprop,  -O3
-fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-function=
s=20
comparison
FAIL: gcc.c-torture/unsorted/dump-noaddr.c.*r.reload,  -O3 -fomit-frame-poi=
nter
-funroll-loops -fpeel-loops -ftracer -finline-functions  comparison
FAIL: gcc.dg/no-strict-overflow-6.c scan-tree-dump optimized "return 0"
FAIL: gcc.dg/pr30957-1.c execution test
FAIL: gcc.dg/pr30957-1.c scan-rtl-dump loop2_unroll "Expanding Accumulator"
FAIL: gcc.dg/pr53265.c (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
FAIL: gcc.dg/vect/pr65518.c -flto -ffat-lto-objects  scan-tree-dump vect "u=
sing
gather/scatter for strided/grouped access"
FAIL: gcc.dg/vect/pr65518.c scan-tree-dump vect "using gather/scatter for
strided/grouped access"
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/trapv-vect-reduc-4.c scan-tree-dump-times vect "using an
in-order \\(fold-left\\) reduction" 1
XPASS: gcc.dg/vect/vect-live-slp-3.c -flto -ffat-lto-objects=20
scan-tree-dump-times vect "vectorizing stmts using SLP" 4
XPASS: gcc.dg/vect/vect-live-slp-3.c scan-tree-dump-times vect "vectorizing
stmts using SLP" 4
FAIL: gcc.target/riscv/rvv/autovec/gather-scatter/strided_store_run-2.c (te=
st
for excess errors)
FAIL: gcc.target/riscv/rvv/autovec/gather-scatter/strided_store_run-2.c (te=
st
for excess errors)
FAIL: gcc.target/riscv/rvv/base/cpymem-2.c check-function-bodies f1


Comparison with hash 806789e6daa39ab0503d91c71b3faeb5d5cdd317 zvl1024b
(previous report):

Resolved:
XPASS: gcc.dg/tree-ssa/ssa-fre-3.c scan-tree-dump fre1 "Replaced \\(int\\)
aa_.*with a_"
FAIL: gcc.target/riscv/rvv/autovec/pr112552.c -O3 -ftree-vectorize (test for
excess errors)

New failures:
FAIL: gcc.c-torture/unsorted/dump-noaddr.c.*r.avlprop,  -O3
-fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-function=
s=20
comparison
FAIL: gcc.c-torture/unsorted/dump-noaddr.c.*r.reload,  -O3 -fomit-frame-poi=
nter
-funroll-loops -fpeel-loops -ftracer -finline-functions  comparison
FAIL: gcc.dg/debug/btf/btf-datasec-3.c scan-assembler-times bts_type 3
FAIL: gcc.dg/debug/btf/btf-datasec-3.c scan-assembler-times bts_type:
\\(BTF_KIND_VAR 'test_bss2'\\) 1
FAIL: gcc.dg/debug/btf/btf-datasec-3.c scan-assembler-times bts_type:
\\(BTF_KIND_VAR 'test_data2'\\) 1
FAIL: gcc.target/riscv/rvv/autovec/gather-scatter/strided_store_run-2.c (te=
st
for excess errors)
FAIL: gcc.target/riscv/rvv/autovec/gather-scatter/strided_store_run-2.c (te=
st
for excess errors)
FAIL: gcc.target/riscv/rvv/autovec/pr111751.c -O3 -ftree-vectorize=20
scan-assembler-not vset
FAIL: gcc.target/riscv/rvv/autovec/pr111751.c -O3 -ftree-vectorize=20
scan-assembler-times li\\s+[a-x0-9]+,0\\s+ret 2

The strided_store_run-2.c testcase seems to have timed out when compiling?

Debug log:
Executing on host:
/github/patrick-postcommit-runner-1/_work/gcc-postcommit-ci/gcc-postcommit-=
ci/riscv-gnu-toolchain/build/build-gcc-linux-stage2/gcc/xgcc
-B/github/patrick-postcommit-runner-1/_work/gcc-postcommit-ci/gcc-postcommi=
t-ci/riscv-gnu-toolchain/build/build-gcc-linux-stage2/gcc/

/github/patrick-postcommit-runner-1/_work/gcc-postcommit-ci/gcc-postcommit-=
ci/riscv-gnu-toolchain/gcc/gcc/testsuite/gcc.target/riscv/rvv/autovec/gathe=
r-scatter/strided_store_run-2.c
 -march=3Drv64gcv_zvl1024b -mabi=3Dlp64d -mcmodel=3Dmedlow=20=20
-fdiagnostics-plain-output   -ftree-vectorize -O3 --param
riscv-autovec-preference=3Dfixed-vlmax --param riscv-autovec-lmul=3Dm8
-fno-vect-cost-model -ffast-math      -lm  -o ./strided_store_run-2.exe=20=
=20=20
(timeout =3D 600)
spawn -ignore SIGHUP
/github/patrick-postcommit-runner-1/_work/gcc-postcommit-ci/gcc-postcommit-=
ci/riscv-gnu-toolchain/build/build-gcc-linux-stage2/gcc/xgcc
-B/github/patrick-postcommit-runner-1/_work/gcc-postcommit-ci/gcc-postcommi=
t-ci/riscv-gnu-toolchain/build/build-gcc-linux-stage2/gcc/
/github/patrick-postcommit-runner-1/_work/gcc-postcommit-ci/gcc-postcommit-=
ci/riscv-gnu-toolchain/gcc/gcc/testsuite/gcc.target/riscv/rvv/autovec/gathe=
r-scatter/strided_store_run-2.c
-march=3Drv64gcv_zvl1024b -mabi=3Dlp64d -mcmodel=3Dmedlow -fdiagnostics-pla=
in-output
-ftree-vectorize -O3 --param riscv-autovec-preference=3Dfixed-vlmax --param
riscv-autovec-lmul=3Dm8 -fno-vect-cost-model -ffast-math -lm -o
./strided_store_run-2.exe
WARNING: program timed out
compiler exited with status 1
FAIL: gcc.target/riscv/rvv/autovec/gather-scatter/strided_store_run-2.c (te=
st
for excess errors)
Excess errors:
exit status is 1
UNRESOLVED: gcc.target/riscv/rvv/autovec/gather-scatter/strided_store_run-2=
.c
compilation failed to produce executable=