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From: | Richard Henderson |
Subject: | Re: [RFC v4 15/70] target/riscv: introduce more imm value modes in translator functions |
Date: | Sat, 29 Aug 2020 10:51:56 -0700 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 |
On 8/17/20 1:49 AM, frank.chang@sifive.com wrote: > From: Frank Chang <frank.chang@sifive.com> > > Immediate value in translator function is extended not only > zero-extended and sign-extended but with more modes to be applicable > with multiple formats of vector instructions. > > * IMM_ZX: Zero-extended > * IMM_SX: Sign-extended > * IMM_TRUNC_SEW: Truncate to log(SEW) bit > * IMM_TRUNC_2SEW: Truncate to log(2*SEW) bit > > Signed-off-by: Frank Chang <frank.chang@sifive.com> > --- > target/riscv/insn_trans/trans_rvv.inc.c | 115 ++++++++++++++---------- > 1 file changed, 66 insertions(+), 49 deletions(-) Reviewed-by: Richard Henderson <richard.henderson@linaro.org> r~
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