https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90615
Bug ID: 90615
Summary: [10 regression] several vector test cases fail
starting with r271553
Product: gcc
Version: 10.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: testsuite
Assignee: unassigned at gcc dot gnu.org
Reporter: seurer at gcc dot gnu.org
Target Milestone: ---
I think a few tests got missed in r271553
FAIL: gcc.dg/vect/costmodel/ppc/costmodel-vect-31b.c scan-tree-dump-times vect
"vectorized 1 loops" 1
FAIL: gcc.dg/vect/costmodel/ppc/costmodel-vect-33.c scan-tree-dump-times vect
"vectorized 1 loops" 1
FAIL: gcc.dg/vect/costmodel/ppc/costmodel-vect-76a.c scan-tree-dump-times vect
"vectorized 1 loops" 1
FAIL: gcc.dg/vect/costmodel/ppc/costmodel-vect-76b.c scan-tree-dump-times vect
"vectorized 1 loops" 1
FAIL: gcc.dg/vect/costmodel/ppc/costmodel-vect-76c.c scan-tree-dump-times vect
"vectorized 1 loops" 1
FAIL: gcc.target/powerpc/vsx-vectorize-1.c scan-tree-dump-times vect "Alignment
of access forced using versioning" 1
FAIL: gcc.target/powerpc/vsx-vectorize-1.c scan-tree-dump-times vect
"vectorized 1 loops" 1
one example:
Executing on host: /home/seurer/gcc/build/gcc-test2/gcc/xgcc
-B/home/seurer/gcc/build/gcc-test2/gcc/
/home/seurer/gcc/gcc-test2/gcc/testsuite/gcc.dg/vect/costmodel/ppc/costmodel-vect-31b.c
-fno-diagnostics-show-caret -fno-diagnostics-show-line-numbers
-fdiagnostics-color=never -O2 -ftree-vectorize -fvect-cost-model=dynamic
-fno-common -maltivec -fdump-tree-vect-details -lm -o
./costmodel-vect-31b.exe (timeout = 300)
spawn -ignore SIGHUP /home/seurer/gcc/build/gcc-test2/gcc/xgcc
-B/home/seurer/gcc/build/gcc-test2/gcc/
/home/seurer/gcc/gcc-test2/gcc/testsuite/gcc.dg/vect/costmodel/ppc/costmodel-vect-31b.c
-fno-diagnostics-show-caret -fno-diagnostics-show-line-numbers
-fdiagnostics-color=never -O2 -ftree-vectorize -fvect-cost-model=dynamic
-fno-common -maltivec -fdump-tree-vect-details -lm -o ./costmodel-vect-31b.exe
PASS: gcc.dg/vect/costmodel/ppc/costmodel-vect-31b.c (test for excess errors)
Setting LD_LIBRARY_PATH to
:/home/seurer/gcc/build/gcc-test2/gcc::/home/seurer/gcc/build/gcc-test2/gcc:/home/seurer/gcc/build/gcc-test2/./gmp/.libs:/home/seurer/gcc/build/gcc-test2/./prev-gmp/.libs:/home/seurer/gcc/build/gcc-test2/./mpfr/src/.libs:/home/seurer/gcc/build/gcc-test2/./prev-mpfr/src/.libs:/home/seurer/gcc/build/gcc-test2/./mpc/src/.libs:/home/seurer/gcc/build/gcc-test2/./prev-mpc/src/.libs:/home/seurer/gcc/build/gcc-test2/./isl/.libs:/home/seurer/gcc/build/gcc-test2/./prev-isl/.libs:/home/seurer/gcc/install/gcc-7.2.0/lib64
Execution timeout is: 300
spawn [open ...]
PASS: gcc.dg/vect/costmodel/ppc/costmodel-vect-31b.c execution test
gcc.dg/vect/costmodel/ppc/costmodel-vect-31b.c: pattern found 0 times
FAIL: gcc.dg/vect/costmodel/ppc/costmodel-vect-31b.c scan-tree-dump-times vect
"vectorized 1 loops" 1
testcase
/home/seurer/gcc/gcc-test2/gcc/testsuite/gcc.dg/vect/costmodel/ppc/ppc-costmodel-vect.exp
completed in 0 seconds
=== gcc Summary ===
# of expected passes 2
# of unexpected failures 1
and also
FAIL: gcc.dg/pr53265.c (test for excess errors)
spawn -ignore SIGHUP /home/seurer/gcc/build/gcc-test2/gcc/xgcc
-B/home/seurer/gcc/build/gcc-test2/gcc/
/home/seurer/gcc/gcc-test2/gcc/testsuite/gcc.dg/pr53265.c
-fno-diagnostics-show-caret -fno-diagnostics-show-line-numbers
-fdiagnostics-color=never -O2 -Wall -S -o pr53265.s
/home/seurer/gcc/gcc-test2/gcc/testsuite/gcc.dg/pr53265.c: In function 'fn1':
/home/seurer/gcc/gcc-test2/gcc/testsuite/gcc.dg/pr53265.c:16:14: warning:
iteration 64 invokes undefined behavior [-Waggressive-loop-optimizations]
/home/seurer/gcc/gcc-test2/gcc/testsuite/gcc.dg/pr53265.c:15:3: note: within
this loop
/home/seurer/gcc/gcc-test2/gcc/testsuite/gcc.dg/pr53265.c: In function 'fn2':
/home/seurer/gcc/gcc-test2/gcc/testsuite/gcc.dg/pr53265.c:27:22: warning:
iteration 112 invokes undefined behavior [-Waggressive-loop-optimizations]
/home/seurer/gcc/gcc-test2/gcc/testsuite/gcc.dg/pr53265.c:26:3: note: within
this loop
/home/seurer/gcc/gcc-test2/gcc/testsuite/gcc.dg/pr53265.c: In function 'fn3':
/home/seurer/gcc/gcc-test2/gcc/testsuite/gcc.dg/pr53265.c:40:16: warning:
iteration 8 invokes undefined behavior [-Waggressive-loop-optimizations]
/home/seurer/gcc/gcc-test2/gcc/testsuite/gcc.dg/pr53265.c:38:3: note: within
this loop
/home/seurer/gcc/gcc-test2/gcc/testsuite/gcc.dg/pr53265.c: In function 'fn4':
/home/seurer/gcc/gcc-test2/gcc/testsuite/gcc.dg/pr53265.c:55:9: warning:
iteration 32 invokes undefined behavior [-Waggressive-loop-optimizations]
/home/seurer/gcc/gcc-test2/gcc/testsuite/gcc.dg/pr53265.c:53:3: note: within
this loop
/home/seurer/gcc/gcc-test2/gcc/testsuite/gcc.dg/pr53265.c: In function 'fn5':
/home/seurer/gcc/gcc-test2/gcc/testsuite/gcc.dg/pr53265.c:69:24: warning:
iteration 950 invokes undefined behavior [-Waggressive-loop-optimizations]
/home/seurer/gcc/gcc-test2/gcc/testsuite/gcc.dg/pr53265.c:68:3: note: within
this loop
/home/seurer/gcc/gcc-test2/gcc/testsuite/gcc.dg/pr53265.c: In function 'fn6':
/home/seurer/gcc/gcc-test2/gcc/testsuite/gcc.dg/pr53265.c:80:13: warning:
iteration 3 invokes undefined behavior [-Waggressive-loop-optimizations]
/home/seurer/gcc/gcc-test2/gcc/testsuite/gcc.dg/pr53265.c:79:3: note: within
this loop
/home/seurer/gcc/gcc-test2/gcc/testsuite/gcc.dg/pr53265.c: In function 'fn7':
/home/seurer/gcc/gcc-test2/gcc/testsuite/gcc.dg/pr53265.c:89:32: warning:
iteration 15 invokes undefined behavior [-Waggressive-loop-optimizations]
/home/seurer/gcc/gcc-test2/gcc/testsuite/gcc.dg/pr53265.c:89:3: note: within
this loop
/home/seurer/gcc/gcc-test2/gcc/testsuite/gcc.dg/pr53265.c: In function 'fn10':
/home/seurer/gcc/gcc-test2/gcc/testsuite/gcc.dg/pr53265.c:139:11: warning:
iteration 2 invokes undefined behavior [-Waggressive-loop-optimizations]
/home/seurer/gcc/gcc-test2/gcc/testsuite/gcc.dg/pr53265.c:138:3: note: within
this loop
/home/seurer/gcc/gcc-test2/gcc/testsuite/gcc.dg/pr53265.c: In function 'fn3':
cc1: warning: '__builtin_memcpy' forming offset [17, 24] is out of the bounds
[0, 16] of object 'c' with type 'unsigned char[16]' [-Warray-bounds]
/home/seurer/gcc/gcc-test2/gcc/testsuite/gcc.dg/pr53265.c:34:31: note: 'c'
declared here
cc1: warning: '__builtin_memcpy' forming offset [17, 24] is out of the bounds
[0, 16] of object 'a' with type 'unsigned char[16]' [-Warray-bounds]
/home/seurer/gcc/gcc-test2/gcc/testsuite/gcc.dg/pr53265.c:34:17: note: 'a'
declared here
PASS: gcc.dg/pr53265.c (test for warnings, line 15)
PASS: gcc.dg/pr53265.c (test for warnings, line 16)
PASS: gcc.dg/pr53265.c (test for warnings, line 26)
PASS: gcc.dg/pr53265.c (test for warnings, line 27)
PASS: gcc.dg/pr53265.c (test for warnings, line 38)
PASS: gcc.dg/pr53265.c (test for warnings, line 40)
PASS: gcc.dg/pr53265.c (test for warnings, line 53)
PASS: gcc.dg/pr53265.c (test for warnings, line 55)
PASS: gcc.dg/pr53265.c (test for warnings, line 68)
PASS: gcc.dg/pr53265.c (test for warnings, line 69)
PASS: gcc.dg/pr53265.c (test for warnings, line 79)
PASS: gcc.dg/pr53265.c (test for warnings, line 80)
PASS: gcc.dg/pr53265.c (test for warnings, line 89)
PASS: gcc.dg/pr53265.c (test for warnings, line 89)
PASS: gcc.dg/pr53265.c (test for warnings, line 138)
PASS: gcc.dg/pr53265.c (test for warnings, line 139)
PASS: gcc.dg/pr53265.c (test for bogus messages, line 149)
FAIL: gcc.dg/pr53265.c (test for excess errors)
Excess errors:
cc1: warning: '__builtin_memcpy' forming offset [17, 24] is out of the bounds
[0, 16] of object 'c' with type 'unsigned char[16]' [-Warray-bounds]
cc1: warning: '__builtin_memcpy' forming offset [17, 24] is out of the bounds
[0, 16] of object 'a' with type 'unsigned char[16]' [-Warray-bounds]
