diff mbox series

[PULL,22/59] target/riscv: Fix check for vector load/store instructions when EEW=64

Message ID 20230303083740.12817-23-palmer@rivosinc.com (mailing list archive)
State New, archived
Headers show
Series [PULL,01/59] target/riscv: introduce riscv_cpu_cfg() | expand

Commit Message

Palmer Dabbelt March 3, 2023, 8:37 a.m. UTC 
From: Weiwei Li <liweiwei@iscas.ac.cn>

The V extension supports all vector load and store instructions except
the V extension does not support EEW=64 for index values when XLEN=32.
(Section 18.3)

Signed-off-by: Weiwei Li <liweiwei@iscas.ac.cn>
Signed-off-by: Junqiang Wang <wangjunqiang@iscas.ac.cn>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Message-ID: <20230215020539.4788-13-liweiwei@iscas.ac.cn>
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
 target/riscv/insn_trans/trans_rvv.c.inc | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)
diff mbox series

Patch

diff --git a/target/riscv/insn_trans/trans_rvv.c.inc b/target/riscv/insn_trans/trans_rvv.c.inc
index 9b2c5c9ac0..5dbdce073b 100644
--- a/target/riscv/insn_trans/trans_rvv.c.inc
+++ b/target/riscv/insn_trans/trans_rvv.c.inc
@@ -287,13 +287,12 @@  static bool vext_check_st_index(DisasContext *s, int vd, int vs2, int nf,
                require_nf(vd, nf, s->lmul);
 
     /*
-     * All Zve* extensions support all vector load and store instructions,
-     * except Zve64* extensions do not support EEW=64 for index values
-     * when XLEN=32. (Section 18.2)
+     * V extension supports all vector load and store instructions,
+     * except V extension does not support EEW=64 for index values
+     * when XLEN=32. (Section 18.3)
      */
     if (get_xl(s) == MXL_RV32) {
-        ret &= (!has_ext(s, RVV) &&
-                s->cfg_ptr->ext_zve64f ? eew != MO_64 : true);
+        ret &= (eew != MO_64);
     }
 
     return ret;