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

Message

Weiwei Li April 12, 2023, 2:33 a.m. UTC

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