From be46e0bf142d75c1978801d5d2c2394e7dfa304d Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Wed, 16 Oct 2024 16:57:15 +0000 Subject: [PATCH] disas/riscv: Fix vsetivli disassembly 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") Reviewed-by: Alistair Francis Reviewed-by: Pierrick Bouvier Reviewed-by: LIU Zhiwei Signed-off-by: Richard Henderson --- disas/riscv.c | 2 +- disas/riscv.h | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) 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); dec->vzimm = operand_vzimm10(inst); break; case rv_codec_zcb_lb: 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" -- 2.30.2