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[RFC v3 43/71] target/riscv: rvv-1.0: single-width bit shift instruction


From: frank . chang
Subject: [RFC v3 43/71] target/riscv: rvv-1.0: single-width bit shift instructions
Date: Thu, 6 Aug 2020 18:46:40 +0800

From: Frank Chang <frank.chang@sifive.com>

Truncate vsll.vi, vsrl.vi, vsra.vi's immediate values to lg2(SEW) bits.

Signed-off-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/riscv/insn_trans/trans_rvv.inc.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/target/riscv/insn_trans/trans_rvv.inc.c 
b/target/riscv/insn_trans/trans_rvv.inc.c
index 68634298fa5..a22db5f2f13 100644
--- a/target/riscv/insn_trans/trans_rvv.inc.c
+++ b/target/riscv/insn_trans/trans_rvv.inc.c
@@ -1901,9 +1901,9 @@ GEN_OPIVX_GVEC_SHIFT_TRANS(vsll_vx,  shls)
 GEN_OPIVX_GVEC_SHIFT_TRANS(vsrl_vx,  shrs)
 GEN_OPIVX_GVEC_SHIFT_TRANS(vsra_vx,  sars)
 
-GEN_OPIVI_GVEC_TRANS(vsll_vi, IMM_ZX, vsll_vx, shli)
-GEN_OPIVI_GVEC_TRANS(vsrl_vi, IMM_ZX, vsrl_vx, shri)
-GEN_OPIVI_GVEC_TRANS(vsra_vi, IMM_ZX, vsra_vx, sari)
+GEN_OPIVI_GVEC_TRANS(vsll_vi, IMM_TRUNC_SEW, vsll_vx, shli)
+GEN_OPIVI_GVEC_TRANS(vsrl_vi, IMM_TRUNC_SEW, vsrl_vx, shri)
+GEN_OPIVI_GVEC_TRANS(vsra_vi, IMM_TRUNC_SEW, vsra_vx, sari)
 
 /* Vector Narrowing Integer Right Shift Instructions */
 static bool opivv_narrow_check(DisasContext *s, arg_rmrr *a)
-- 
2.17.1




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