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target/riscv: Add support for Zvfbfwma extension

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Add trans_* and helper function for Zvfbfwma instructions.

Signed-off-by: Weiwei Li <liweiwei@iscas.ac.cn>
Signed-off-by: Junqiang Wang <wangjunqiang@iscas.ac.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230615063302.102409-5-liweiwei@iscas.ac.cn>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
This commit is contained in:
Weiwei Li 2023-06-15 14:33:00 +08:00 • committed by Alistair Francis
parent 87b27bfca4
commit adf772b0f7
4 changed files with 76 additions and 0 deletions
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11
target/riscv/vector_helper.c
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@ -3554,6 +3554,17 @@ RVVCALL(OPFVF3, vfwmacc_vf_w, WOP_UUU_W, H8, H4, fwmacc32)
GEN_VEXT_VF(vfwmacc_vf_h, 4)
GEN_VEXT_VF(vfwmacc_vf_w, 8)
static uint32_t fwmaccbf16(uint16_t a, uint16_t b, uint32_t d, float_status *s)
{
return float32_muladd(bfloat16_to_float32(a, s),
bfloat16_to_float32(b, s), d, 0, s);
}
RVVCALL(OPFVV3, vfwmaccbf16_vv, WOP_UUU_H, H4, H2, H2, fwmaccbf16)
GEN_VEXT_VV_ENV(vfwmaccbf16_vv, 4)
RVVCALL(OPFVF3, vfwmaccbf16_vf, WOP_UUU_H, H4, H2, fwmacc16)
GEN_VEXT_VF(vfwmaccbf16_vf, 4)
static uint32_t fwnmacc16(uint16_t a, uint16_t b, uint32_t d, float_status *s)
{
return float32_muladd(float16_to_float32(a, true, s),