system/qemu
system/qemu
1
0
Fork 0
mirror of https://gitlab.com/qemu-project/qemu synced 2024-11-05 20:35:44 +00:00
Code Issues Projects Releases Packages Wiki Activity

target/mips: Remove helpers accessing SAAR registers

Browse source 
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: <20240209090513.9401-2-philmd@linaro.org>
This commit is contained in:
Philippe Mathieu-Daudé 2024-02-09 08:44:18 +01:00
parent 86468930a1
commit e1152f8166
3 changed files with 0 additions and 102 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

55
target/mips/tcg/sysemu/cp0_helper.c
View file

@ -371,22 +371,6 @@ target_ulong helper_mfc0_count(CPUMIPSState *env)
return (int32_t)cpu_mips_get_count(env);
}
target_ulong helper_mfc0_saar(CPUMIPSState *env)
{
if ((env->CP0_SAARI & 0x3f) < 2) {
return (int32_t) env->CP0_SAAR[env->CP0_SAARI & 0x3f];
}
return 0;
}
target_ulong helper_mfhc0_saar(CPUMIPSState *env)
{
if ((env->CP0_SAARI & 0x3f) < 2) {
return env->CP0_SAAR[env->CP0_SAARI & 0x3f] >> 32;
}
return 0;
}
target_ulong helper_mftc0_entryhi(CPUMIPSState *env)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
@ -514,13 +498,6 @@ target_ulong helper_dmfc0_watchhi(CPUMIPSState *env, uint32_t sel)
return env->CP0_WatchHi[sel];
}
target_ulong helper_dmfc0_saar(CPUMIPSState *env)
{
if ((env->CP0_SAARI & 0x3f) < 2) {
return env->CP0_SAAR[env->CP0_SAARI & 0x3f];
}
return 0;
}
#endif /* TARGET_MIPS64 */
void helper_mtc0_index(CPUMIPSState *env, target_ulong arg1)
@ -1108,38 +1085,6 @@ void helper_mtc0_saari(CPUMIPSState *env, target_ulong arg1)
}
}
void helper_mtc0_saar(CPUMIPSState *env, target_ulong arg1)
{
uint32_t target = env->CP0_SAARI & 0x3f;
if (target < 2) {
env->CP0_SAAR[target] = arg1 & 0x00000ffffffff03fULL;
switch (target) {
case 0:
if (env->itu) {
itc_reconfigure(env->itu);
}
break;
}
}
}
void helper_mthc0_saar(CPUMIPSState *env, target_ulong arg1)
{
uint32_t target = env->CP0_SAARI & 0x3f;
if (target < 2) {
env->CP0_SAAR[target] =
(((uint64_t) arg1 << 32) & 0x00000fff00000000ULL) |
(env->CP0_SAAR[target] & 0x00000000ffffffffULL);
switch (target) {
case 0:
if (env->itu) {
itc_reconfigure(env->itu);
}
break;
}
}
}
void helper_mtc0_entryhi(CPUMIPSState *env, target_ulong arg1)
{
target_ulong old, val, mask;

5
target/mips/tcg/sysemu_helper.h.inc
View file

@ -31,8 +31,6 @@ DEF_HELPER_1(mftc0_tcschedule, tl, env)
DEF_HELPER_1(mfc0_tcschefback, tl, env)
DEF_HELPER_1(mftc0_tcschefback, tl, env)
DEF_HELPER_1(mfc0_count, tl, env)
DEF_HELPER_1(mfc0_saar, tl, env)
DEF_HELPER_1(mfhc0_saar, tl, env)
DEF_HELPER_1(mftc0_entryhi, tl, env)
DEF_HELPER_1(mftc0_status, tl, env)
DEF_HELPER_1(mftc0_cause, tl, env)
@ -57,7 +55,6 @@ DEF_HELPER_1(dmfc0_lladdr, tl, env)
DEF_HELPER_1(dmfc0_maar, tl, env)
DEF_HELPER_2(dmfc0_watchlo, tl, env, i32)
DEF_HELPER_2(dmfc0_watchhi, tl, env, i32)
DEF_HELPER_1(dmfc0_saar, tl, env)
#endif /* TARGET_MIPS64 */
DEF_HELPER_2(mtc0_index, void, env, tl)
@ -104,8 +101,6 @@ 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_saar, void, env, tl)
DEF_HELPER_2(mthc0_saar, 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)

42
target/mips/tcg/translate.c
View file

@ -5151,17 +5151,6 @@ static void gen_mfhc0(DisasContext *ctx, TCGv arg, int reg, int sel)
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_09:
switch (sel) {
case CP0_REG09__SAAR:
CP0_CHECK(ctx->saar);
gen_helper_mfhc0_saar(arg, tcg_env);
register_name = "SAAR";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_17:
switch (sel) {
case CP0_REG17__LLADDR:
@ -5252,17 +5241,6 @@ static void gen_mthc0(DisasContext *ctx, TCGv arg, int reg, int sel)
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_09:
switch (sel) {
case CP0_REG09__SAAR:
CP0_CHECK(ctx->saar);
gen_helper_mthc0_saar(tcg_env, arg);
register_name = "SAAR";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_17:
switch (sel) {
case CP0_REG17__LLADDR:
@ -5680,11 +5658,6 @@ static void gen_mfc0(DisasContext *ctx, TCGv arg, int reg, int sel)
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SAARI));
register_name = "SAARI";
break;
case CP0_REG09__SAAR:
CP0_CHECK(ctx->saar);
gen_helper_mfc0_saar(arg, tcg_env);
register_name = "SAAR";
break;
default:
goto cp0_unimplemented;
}
@ -6406,11 +6379,6 @@ static void gen_mtc0(DisasContext *ctx, TCGv arg, int reg, int sel)
gen_helper_mtc0_saari(tcg_env, arg);
register_name = "SAARI";
break;
case CP0_REG09__SAAR:
CP0_CHECK(ctx->saar);
gen_helper_mtc0_saar(tcg_env, arg);
register_name = "SAAR";
break;
default:
goto cp0_unimplemented;
}
@ -7180,11 +7148,6 @@ static void gen_dmfc0(DisasContext *ctx, TCGv arg, int reg, int sel)
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SAARI));
register_name = "SAARI";
break;
case CP0_REG09__SAAR:
CP0_CHECK(ctx->saar);
gen_helper_dmfc0_saar(arg, tcg_env);
register_name = "SAAR";
break;
default:
goto cp0_unimplemented;
}
@ -7892,11 +7855,6 @@ static void gen_dmtc0(DisasContext *ctx, TCGv arg, int reg, int sel)
gen_helper_mtc0_saari(tcg_env, arg);
register_name = "SAARI";
break;
case CP0_REG09__SAAR:
CP0_CHECK(ctx->saar);
gen_helper_mtc0_saar(tcg_env, arg);
register_name = "SAAR";
break;
default:
goto cp0_unimplemented;
}