https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97005
Bug ID: 97005
Summary: [nvptx] FAIL:
c-c++-common/torture/builtin-arith-overflow-15.c -O0
execution test
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: vries at gcc dot gnu.org
Target Milestone: ---
Minimized to:
...
$ cat builtin-arith-overflow-15.c
int
main (void)
{
signed char r;
unsigned char y = (unsigned char) 0x80;
if (__builtin_sub_overflow ((unsigned char)0,
(unsigned char)y,
&r))
__builtin_abort ();
return 0;
}
...
Compile like this:
...
$ ./build-gcc/gcc/xgcc \
-B./build-gcc/gcc/ \
builtin-arith-overflow-15.c \
-O0 \
-L./build-gcc/nvptx-none/./newlib \
-mmainkernel \
-o ./builtin-arith-overflow-15.exe
...
Run:
...
$ ./install/bin/nvptx-none-run ./builtin-arith-overflow-15.exe
nvptx-run: error getting kernel result: an illegal instruction was encountered
(CUDA_ERROR_ILLEGAL_INSTRUCTION, 715)
...
