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target/rx: Swap stack pointers on clrpsw/setpsw instruction

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We properly perform this swap in helper_set_psw for MVTC,
but we missed doing so for the CLRPSW/SETPSW of the U bit.

Reported-by: Tomoaki Kawada <i@yvt.jp>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Yoshinori Sato <ysato@users.sourceforge.jp>
Message-Id: <20220417165130.695085-5-richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2022-04-17 09:51:30 -07:00
parent d3562fe258
commit 3c69336a87
1 changed files with 6 additions and 1 deletions
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7
target/rx/translate.c
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@ -2165,7 +2165,12 @@ static inline void clrsetpsw(DisasContext *ctx, int cb, int val)
ctx->base.is_jmp = DISAS_UPDATE;
break;
case PSW_U:
tcg_gen_movi_i32(cpu_psw_u, val);
if (FIELD_EX32(ctx->tb_flags, PSW, U) != val) {
ctx->tb_flags = FIELD_DP32(ctx->tb_flags, PSW, U, val);
tcg_gen_movi_i32(cpu_psw_u, val);
tcg_gen_mov_i32(val ? cpu_isp : cpu_usp, cpu_sp);
tcg_gen_mov_i32(cpu_sp, val ? cpu_usp : cpu_isp);
}
break;
default:
qemu_log_mask(LOG_GUEST_ERROR, "Invalid distination %d", cb);