On 2024/10/17 03:31, Richard Henderson wrote:
The first immediate field is unsigned, whereas operand_vimm
extracts a signed value.  There is no need to mask the result
with 'u'; just print the immediate with 'i'.

Fixes: 07f4964d178 ("disas/riscv.c: rvv: Add disas support for vector 
instructions")
Signed-off-by: Richard Henderson <richard.hender...@linaro.org>
---
  disas/riscv.h | 2 +-
  disas/riscv.c | 2 +-
  2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/disas/riscv.h b/disas/riscv.h
index 16a08e4895..0d1f89ce8a 100644
--- a/disas/riscv.h
+++ b/disas/riscv.h
@@ -290,7 +290,7 @@ enum {
  #define rv_fmt_fd_vs2                 "O\t3,F"
  #define rv_fmt_vd_vm                  "O\tDm"
  #define rv_fmt_vsetvli                "O\t0,1,v"
-#define rv_fmt_vsetivli               "O\t0,u,v"
+#define rv_fmt_vsetivli               "O\t0,i,v"
  #define rv_fmt_rs1_rs2_zce_ldst       "O\t2,i(1)"
  #define rv_fmt_push_rlist             "O\tx,-i"
  #define rv_fmt_pop_rlist              "O\tx,i"
diff --git a/disas/riscv.c b/disas/riscv.c
index 5965574d87..fc0331b90b 100644
--- a/disas/riscv.c
+++ b/disas/riscv.c
@@ -4808,7 +4808,7 @@ static void decode_inst_operands(rv_decode *dec, rv_isa 
isa)
          break;
      case rv_codec_vsetivli:
          dec->rd = operand_rd(inst);
-        dec->imm = operand_vimm(inst);
+        dec->imm = extract32(inst, 15, 5);

Reviewed-by: LIU Zhiwei <zhiwei_...@linux.alibaba.com>

Zhiwei

          dec->vzimm = operand_vzimm10(inst);
          break;
      case rv_codec_zcb_lb:

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