On 8/12/19 5:03 PM, Ilya Leoshkevich wrote:
"masking, test in bounds 3" fails on s390, because
BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0) ignores the top 32 bits of
BPF_REG_2. The reason is that JIT emits lcgfr instead of lcgr.
The associated comment indicates that the code was intended to emit lcgr
in
On Mon, Aug 12, 2019 at 05:03:32PM +0200, Ilya Leoshkevich wrote:
> "masking, test in bounds 3" fails on s390, because
> BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0) ignores the top 32 bits of
> BPF_REG_2. The reason is that JIT emits lcgfr instead of lcgr.
> The associated comment indicates that the code
"masking, test in bounds 3" fails on s390, because
BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0) ignores the top 32 bits of
BPF_REG_2. The reason is that JIT emits lcgfr instead of lcgr.
The associated comment indicates that the code was intended to emit lcgr
in the first place, it's just that the wrong opc
