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Interpreter-only 3DNow for old dynarec

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This commit is contained in:
nerd73
2020-03-22 19:59:01 -06:00
parent 172f85ad40
commit 1ab21acd20
3 changed files with 3 additions and 33 deletions
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22
src/cpu_common/cpu.c
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@@ -76,13 +76,11 @@ enum {
CPUID_FXSR = (1 << 24)
};
#ifdef USE_NEW_DYNAREC
/*Addition flags returned by CPUID function 0x80000001*/
enum
{
CPUID_3DNOW = (1 << 31)
};
#endif
#ifdef USE_DYNAREC
@@ -131,9 +129,7 @@ const OpFn *x86_opcodes_df_a16;
const OpFn *x86_opcodes_df_a32;
const OpFn *x86_opcodes_REPE;
const OpFn *x86_opcodes_REPNE;
#ifdef USE_NEW_DYNAREC
const OpFn *x86_opcodes_3DNOW;
#endif
int in_smm = 0, smi_line = 0, smi_latched = 0;
uint32_t smbase = 0x30000;
@@ -353,9 +349,7 @@ cpu_set(void)
#endif
x86_opcodes_REPE = ops_REPE;
x86_opcodes_REPNE = ops_REPNE;
#ifdef USE_NEW_DYNAREC
x86_opcodes_3DNOW = ops_3DNOW;
#endif
#ifdef USE_DYNAREC
x86_dynarec_opcodes_REPE = dynarec_ops_REPE;
x86_dynarec_opcodes_REPNE = dynarec_ops_REPNE;
@@ -1023,7 +1017,9 @@ cpu_set(void)
timing_jmp_pm_gate = 17;
timing_misaligned = 2;
cpu_cyrix_alignment = 1;
#ifdef USE_DYNAREC
codegen_timing_set(&codegen_timing_winchip2);
#endif
break;
#endif
@@ -1604,17 +1600,9 @@ cpu_set(void)
#endif
case CPU_CYRIX3S:
#ifdef USE_DYNAREC
#ifdef USE_NEW_DYNAREC
x86_setopcodes(ops_386, ops_winchip2_0f, dynarec_ops_386, dynarec_ops_winchip2_0f);
#else
x86_setopcodes(ops_386, ops_winchip_0f, dynarec_ops_386, dynarec_ops_winchip_0f);
#endif
#else
#ifdef USE_NEW_DYNAREC
x86_setopcodes(ops_386, ops_winchip2_0f);
#else
x86_setopcodes(ops_386, ops_winchip_0f);
#endif
#endif
timing_rr = 1; /*register dest - register src*/
timing_rm = 2; /*register dest - memory src*/
@@ -1625,11 +1613,7 @@ cpu_set(void)
timing_mml = 3;
timing_bt = 3-1; /*branch taken*/
timing_bnt = 1; /*branch not taken*/
#ifdef USE_NEW_DYNAREC
cpu_features = CPU_FEATURE_RDTSC | CPU_FEATURE_MMX | CPU_FEATURE_MSR | CPU_FEATURE_CR4 | CPU_FEATURE_3DNOW;
#else
cpu_features = CPU_FEATURE_RDTSC | CPU_FEATURE_MMX | CPU_FEATURE_MSR | CPU_FEATURE_CR4;
#endif
msr.fcr = (1 << 8) | (1 << 9) | (1 << 12) | (1 << 16) | (1 << 18) | (1 << 19) | (1 << 20) | (1 << 21);
cpu_CR4_mask = CR4_TSD | CR4_DE | CR4_MCE | CR4_PCE;
/*unknown*/
@@ -2374,10 +2358,8 @@ cpu_CPUID(void)
EDX |= CPUID_CMPXCHG8B;
if (msr.fcr & (1 << 9))
EDX |= CPUID_MMX;
#ifdef USE_NEW_DYNAREC
if (cpu_has_feature(CPU_FEATURE_3DNOW))
EDX |= CPUID_3DNOW;
#endif
break;
case 0x80000002: /*Processor name string*/