https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123022
Sujay Kothadiya <skothadiya at whileone dot in> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target| |riscv
--- Comment #1 from Sujay Kothadiya <skothadiya at whileone dot in> ---
Verbose logs / Try -O3
````Reducing using compiler gcc at
/mnt/data1/sujayk/cifuzz-pad/riscv-gnu-toolchain-build/bin/riscv64-unknown-linux-gnu-gcc
Checking for warnings with clang.
clang red.c -Wno-unknown-warning-option -Werror -Wfatal-errors -Wall -Wformat
-Wno-int-in-bool-context -Wno-dangling-pointer
-Wno-compare-distinct-pointer-types -Wno-overflow -Wuninitialized
-Warray-bounds -Wreturn-type -Wno-unused-function -Wno-unused-variable
-Wno-unused-but-set-variable -Wno-unused-value -Wno-address -Wno-bool-compare
-Wno-pointer-sign -Wno-bool-operation -Wno-tautological-compare
-Wno-self-assign -Wno-implicit-const-int-float-conversion
-Wno-constant-conversion -Wno-unused-value
-Wno-tautological-constant-out-of-range-compare -Wno-constant-logical-operand
-Wno-parentheses-equality -Wno-pointer-sign
/mnt/data1/sujayk/cifuzz-pad/riscv-gnu-toolchain-build/bin/riscv64-unknown-linux-gnu-gcc
-march=rv64gcv_zvl512b -mrvv-vector-bits=zvl -O3 red.c -o user-config.out
-fsigned-char -fno-strict-aliasing -fwrapv -Wno-unknown-warning-option -Werror
-Wfatal-errors -Wall -Wformat -Wno-int-in-bool-context -Wno-dangling-pointer
-Wno-compare-distinct-pointer-types -Wno-overflow -Wuninitialized
-Warray-bounds -Wreturn-type -Wno-unused-function -Wno-unused-variable
-Wno-unused-but-set-variable -Wno-unused-value -Wno-address -Wno-bool-compare
-Wno-pointer-sign -Wno-bool-operation -Wno-tautological-compare
-Wno-self-assign -Wno-implicit-const-int-float-conversion
-Wno-constant-conversion -Wno-unused-value
-Wno-tautological-constant-out-of-range-compare -Wno-constant-logical-operand
-Wno-parentheses-equality -Wno-pointer-sign
gcc -O1 red.c -o native.out -fno-strict-aliasing -fwrapv -w
Running QEMU
QEMU_CPU=rv64,vlen=512,rvv_ta_all_1s=true,rvv_ma_all_1s=true,v=true,vext_spec=v1.0,zve32f=true,zve64f=true
timeout --verbose -k 0.1 4
/mnt/data1/sujayk/cifuzz-pad/riscv-gnu-toolchain-build/bin/qemu-riscv64
user-config.out 1
timeout --verbose -k 0.1 1 ./native.out 1
user-config qemu exit code:
0
native exit code:
0
Exit codes have been locked in, ensuring they match.
Checking for sanitizer errors with clang.
clang-17 -fsanitize=undefined red.c -w -o clang-sanitize.out -fsigned-char
-fno-strict-aliasing -fwrapv
timeout --verbose -k 0.1 20 ./clang-sanitize.out
Diff indicated difference
1c1
< 3326195747
---
> 18446744073709551615
````
