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* bpf: disassembler support for XADD under sub-register modeJiong Wang2019-02-281-0/+3
| | | | | | | | | | | | Like the other load/store instructions, "w" register is preferred when disassembling BPF_STX | BPF_W | BPF_XADD. v1 -> v2: - Updated testcase insn-unit.s (Yonghong) Acked-by: Yonghong Song <yhs@fb.com> Signed-off-by: Jiong Wang <jiong.wang@netronome.com> llvm-svn: 355127
* bpf: New disassembler testcases for 32-bit subregister supportYonghong Song2018-02-231-0/+25
This patch test disassembler output for load/store instructions when -mattr=+alu32 specified for which we want to use "w" register format. Also, this patch extended the existing insn-unit.s and insn-unit-32.s to make sure disassemblers for all other instructions are not affected. Signed-off-by: Jiong Wang <jiong.wang@netronome.com> Reviewed-by: Yonghong Song <yhs@fb.com> llvm-svn: 325993
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