[v1] target/riscv: Add support for BF16 extensions

[RFC 0/5] target/riscv: Add support for BF16 extensions

Weiwei Li posted 5 patches 1 year ago

Diff against v2 v3
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git fetch https://github.com/patchew-project/qemu tags/patchew/20230412023320.50706-1-liweiwei@iscas.ac.cn

Maintainers: Palmer Dabbelt <palmer@dabbelt.com>, Alistair Francis <alistair.francis@wdc.com>, Bin Meng <bin.meng@windriver.com>, Weiwei Li <liweiwei@iscas.ac.cn>, Daniel Henrique Barboza <dbarboza@ventanamicro.com>, Liu Zhiwei <zhiwei_liu@linux.alibaba.com>

There is a newer version of this series

target/riscv/cpu.c                         |  20 +++
target/riscv/cpu.h                         |   3 +
target/riscv/fpu_helper.c                  |  12 ++
target/riscv/helper.h                      |  10 ++
target/riscv/insn32.decode                 |  12 ++
target/riscv/insn_trans/trans_rvbf16.c.inc | 175 +++++++++++++++++++++
target/riscv/insn_trans/trans_rvzfh.c.inc  |  13 +-
target/riscv/translate.c                   |   1 +
target/riscv/vector_helper.c               |  17 ++
9 files changed, 257 insertions(+), 6 deletions(-)
create mode 100644 target/riscv/insn_trans/trans_rvbf16.c.inc

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[RFC 0/5] target/riscv: Add support for BF16 extensions

Posted by Weiwei Li 1 year ago

Specification for BF16 extensions can be found in:
https://github.com/riscv/riscv-bfloat16

The port is available here:
https://github.com/plctlab/plct-qemu/tree/plct-bf16-upstream

Weiwei Li (5):
  target/riscv: Add properties for BF16 extensions
  target/riscv: Add support for Zfbfmin extension
  target/riscv: Add support for Zvfbfmin extension
  target/riscv: Add support for Zvfbfwma extension
  target/riscv: Expose properties for BF16 extensions

 target/riscv/cpu.c                         |  20 +++
 target/riscv/cpu.h                         |   3 +
 target/riscv/fpu_helper.c                  |  12 ++
 target/riscv/helper.h                      |  10 ++
 target/riscv/insn32.decode                 |  12 ++
 target/riscv/insn_trans/trans_rvbf16.c.inc | 175 +++++++++++++++++++++
 target/riscv/insn_trans/trans_rvzfh.c.inc  |  13 +-
 target/riscv/translate.c                   |   1 +
 target/riscv/vector_helper.c               |  17 ++
 9 files changed, 257 insertions(+), 6 deletions(-)
 create mode 100644 target/riscv/insn_trans/trans_rvbf16.c.inc

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2.25.1