Avoid registering a TCGv to write the generic CPUState::halted
field. Access it directly via @env in both STOP / HALT opcodes.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20250925012454.60602-1-philmd@linaro.org>
---
target/m68k/translate.c | 11 ++++-------
1 file changed, 4 insertions(+), 7 deletions(-)
diff --git a/target/m68k/translate.c b/target/m68k/translate.c
index 0cee54f4900..eb1ba150745 100644
--- a/target/m68k/translate.c
+++ b/target/m68k/translate.c
@@ -44,8 +44,6 @@
#undef DEFO32
#undef DEFO64
-static TCGv_i32 cpu_halted;
-
static char cpu_reg_names[2 * 8 * 3 + 5 * 4];
static TCGv cpu_dregs[8];
static TCGv cpu_aregs[8];
@@ -77,9 +75,6 @@ void m68k_tcg_init(void)
#undef DEFO32
#undef DEFO64
- cpu_halted = tcg_global_mem_new_i32(tcg_env,
- -offsetof(M68kCPU, env) +
- offsetof(CPUState, halted), "HALTED");
p = cpu_reg_names;
for (i = 0; i < 8; i++) {
sprintf(p, "D%d", i);
@@ -4506,7 +4501,8 @@ DISAS_INSN(halt)
gen_exception(s, s->pc, EXCP_SEMIHOSTING);
return;
}
- tcg_gen_movi_i32(cpu_halted, 1);
+ tcg_gen_st_i32(tcg_constant_i32(1), tcg_env,
+ offsetof(CPUState, halted) - offsetof(M68kCPU, env));
gen_exception(s, s->pc, EXCP_HLT);
}
@@ -4522,7 +4518,8 @@ DISAS_INSN(stop)
ext = read_im16(env, s);
gen_set_sr_im(s, ext, 0);
- tcg_gen_movi_i32(cpu_halted, 1);
+ tcg_gen_st_i32(tcg_constant_i32(1), tcg_env,
+ offsetof(CPUState, halted) - offsetof(M68kCPU, env));
gen_exception(s, s->pc, EXCP_HLT);
}
--
2.51.0