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target/riscv: Sign extend pc for different XLEN

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When pc is written, it is sign-extended to fill the widest supported XLEN.

Signed-off-by: LIU Zhiwei <zhiwei_liu@c-sky.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20220120122050.41546-5-zhiwei_liu@c-sky.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
This commit is contained in:
LIU Zhiwei 2022-01-20 20:20:31 +08:00 • committed by Alistair Francis
parent a14db52f7f
commit 40f0c2046c
4 changed files with 27 additions and 9 deletions
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4
target/riscv/insn_trans/trans_rvv.c.inc
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@ -194,7 +194,7 @@ static bool do_vsetvl(DisasContext *s, int rd, int rs1, TCGv s2)
gen_set_gpr(s, rd, dst);
mark_vs_dirty(s);
tcg_gen_movi_tl(cpu_pc, s->pc_succ_insn);
gen_set_pc_imm(s, s->pc_succ_insn);
tcg_gen_lookup_and_goto_ptr();
s->base.is_jmp = DISAS_NORETURN;
@ -219,7 +219,7 @@ static bool do_vsetivli(DisasContext *s, int rd, TCGv s1, TCGv s2)
gen_helper_vsetvl(dst, cpu_env, s1, s2);
gen_set_gpr(s, rd, dst);
mark_vs_dirty(s);
tcg_gen_movi_tl(cpu_pc, s->pc_succ_insn);
gen_set_pc_imm(s, s->pc_succ_insn);
tcg_gen_lookup_and_goto_ptr();
s->base.is_jmp = DISAS_NORETURN;