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target/mips: Remove helpers accessing SAARI register

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DisasContext::saar boolean is never set, so this code
is not reachable. Remove it.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20240209090513.9401-9-philmd@linaro.org>
This commit is contained in:
Philippe Mathieu-Daudé 2024-02-09 09:11:10 +01:00
parent 5235993f98
commit ee58fddcbb
3 changed files with 0 additions and 29 deletions
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8
target/mips/tcg/sysemu/cp0_helper.c
View File

@ -1077,14 +1077,6 @@ void helper_mtc0_count(CPUMIPSState *env, target_ulong arg1)
cpu_mips_store_count(env, arg1);
}
void helper_mtc0_saari(CPUMIPSState *env, target_ulong arg1)
{
uint32_t target = arg1 & 0x3f;
if (target <= 1) {
env->CP0_SAARI = target;
}
}
void helper_mtc0_entryhi(CPUMIPSState *env, target_ulong arg1)
{
target_ulong old, val, mask;

1
target/mips/tcg/sysemu_helper.h.inc
View File

@ -100,7 +100,6 @@ DEF_HELPER_2(mtc0_srsconf4, void, env, tl)
DEF_HELPER_2(mtc0_hwrena, void, env, tl)
DEF_HELPER_2(mtc0_pwctl, void, env, tl)
DEF_HELPER_2(mtc0_count, void, env, tl)
DEF_HELPER_2(mtc0_saari, void, env, tl)
DEF_HELPER_2(mtc0_entryhi, void, env, tl)
DEF_HELPER_2(mttc0_entryhi, void, env, tl)
DEF_HELPER_2(mtc0_compare, void, env, tl)

20
target/mips/tcg/translate.c
View File

@ -5653,11 +5653,6 @@ static void gen_mfc0(DisasContext *ctx, TCGv arg, int reg, int sel)
ctx->base.is_jmp = DISAS_EXIT;
register_name = "Count";
break;
case CP0_REG09__SAARI:
CP0_CHECK(ctx->saar);
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SAARI));
register_name = "SAARI";
break;
default:
goto cp0_unimplemented;
}
@ -6374,11 +6369,6 @@ static void gen_mtc0(DisasContext *ctx, TCGv arg, int reg, int sel)
gen_helper_mtc0_count(tcg_env, arg);
register_name = "Count";
break;
case CP0_REG09__SAARI:
CP0_CHECK(ctx->saar);
gen_helper_mtc0_saari(tcg_env, arg);
register_name = "SAARI";
break;
default:
goto cp0_unimplemented;
}
@ -7143,11 +7133,6 @@ static void gen_dmfc0(DisasContext *ctx, TCGv arg, int reg, int sel)
ctx->base.is_jmp = DISAS_EXIT;
register_name = "Count";
break;
case CP0_REG09__SAARI:
CP0_CHECK(ctx->saar);
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SAARI));
register_name = "SAARI";
break;
default:
goto cp0_unimplemented;
}
@ -7850,11 +7835,6 @@ static void gen_dmtc0(DisasContext *ctx, TCGv arg, int reg, int sel)
gen_helper_mtc0_count(tcg_env, arg);
register_name = "Count";
break;
case CP0_REG09__SAARI:
CP0_CHECK(ctx->saar);
gen_helper_mtc0_saari(tcg_env, arg);
register_name = "SAARI";
break;
default:
goto cp0_unimplemented;
}