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Moved integer registers, PC and flags_* variables into new cpu_state structure. Reduces recompiled code size slightly, small speedup (1-3%).

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This commit is contained in:
SarahW 2016-04-20 21:39:41 +01:00
commit c81a91fd72
52 changed files with 1494 additions and 1408 deletions
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70
src/x87_ops_misc.h
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@ -1,7 +1,7 @@
static int opFSTSW_AX(uint32_t fetchdat)
{
FP_ENTER();
pc++;
cpu_state.pc++;
if (fplog) pclog("FSTSW\n");
AX = npxs;
CLOCK_CYCLES(3);
@ -13,7 +13,7 @@ static int opFSTSW_AX(uint32_t fetchdat)
static int opFNOP(uint32_t fetchdat)
{
FP_ENTER();
pc++;
cpu_state.pc++;
CLOCK_CYCLES(4);
return 0;
}
@ -21,7 +21,7 @@ static int opFNOP(uint32_t fetchdat)
static int opFCLEX(uint32_t fetchdat)
{
FP_ENTER();
pc++;
cpu_state.pc++;
npxs &= 0xff00;
CLOCK_CYCLES(4);
return 0;
@ -30,7 +30,7 @@ static int opFCLEX(uint32_t fetchdat)
static int opFINIT(uint32_t fetchdat)
{
FP_ENTER();
pc++;
cpu_state.pc++;
npxc = 0x37F;
npxs = 0;
*(uint64_t *)tag = 0x0303030303030303ll;
@ -43,7 +43,7 @@ static int opFINIT(uint32_t fetchdat)
static int opFFREE(uint32_t fetchdat)
{
FP_ENTER();
pc++;
cpu_state.pc++;
if (fplog) pclog("FFREE\n");
tag[(TOP + fetchdat) & 7] = 3;
CLOCK_CYCLES(3);
@ -53,7 +53,7 @@ static int opFFREE(uint32_t fetchdat)
static int opFST(uint32_t fetchdat)
{
FP_ENTER();
pc++;
cpu_state.pc++;
if (fplog) pclog("FST\n");
ST(fetchdat & 7) = ST(0);
tag[(TOP + fetchdat) & 7] = tag[TOP & 7];
@ -65,7 +65,7 @@ static int opFSTP(uint32_t fetchdat)
{
int temp;
FP_ENTER();
pc++;
cpu_state.pc++;
if (fplog) pclog("FSTP\n");
ST(fetchdat & 7) = ST(0);
tag[(TOP + fetchdat) & 7] = tag[TOP & 7];
@ -313,7 +313,7 @@ static int opFLD(uint32_t fetchdat)
uint64_t old_i64;
FP_ENTER();
pc++;
cpu_state.pc++;
if (fplog) pclog("FLD %f\n", ST(fetchdat & 7));
old_tag = tag[(TOP + fetchdat) & 7];
old_i64 = ST_i64[(TOP + fetchdat) & 7];
@ -330,7 +330,7 @@ static int opFXCH(uint32_t fetchdat)
uint8_t old_tag;
uint64_t old_i64;
FP_ENTER();
pc++;
cpu_state.pc++;
if (fplog) pclog("FXCH\n");
td = ST(0);
ST(0) = ST(fetchdat&7);
@ -349,7 +349,7 @@ static int opFXCH(uint32_t fetchdat)
static int opFCHS(uint32_t fetchdat)
{
FP_ENTER();
pc++;
cpu_state.pc++;
if (fplog) pclog("FCHS\n");
ST(0) = -ST(0);
tag[TOP] &= ~TAG_UINT64;
@ -360,7 +360,7 @@ static int opFCHS(uint32_t fetchdat)
static int opFABS(uint32_t fetchdat)
{
FP_ENTER();
pc++;
cpu_state.pc++;
if (fplog) pclog("FABS %f\n", ST(0));
ST(0) = fabs(ST(0));
tag[TOP] &= ~TAG_UINT64;
@ -371,7 +371,7 @@ static int opFABS(uint32_t fetchdat)
static int opFTST(uint32_t fetchdat)
{
FP_ENTER();
pc++;
cpu_state.pc++;
if (fplog) pclog("FTST\n");
npxs &= ~(C0|C2|C3);
if (ST(0) == 0.0) npxs |= C3;
@ -383,7 +383,7 @@ static int opFTST(uint32_t fetchdat)
static int opFXAM(uint32_t fetchdat)
{
FP_ENTER();
pc++;
cpu_state.pc++;
if (fplog) pclog("FXAM %i %f\n", tag[TOP&7], ST(0));
npxs &= ~(C0|C1|C2|C3);
if (tag[TOP&7] == 3) npxs |= (C0|C3);
@ -397,7 +397,7 @@ static int opFXAM(uint32_t fetchdat)
static int opFLD1(uint32_t fetchdat)
{
FP_ENTER();
pc++;
cpu_state.pc++;
if (fplog) pclog("FLD1\n");
x87_push(1.0);
CLOCK_CYCLES(4);
@ -407,7 +407,7 @@ static int opFLD1(uint32_t fetchdat)
static int opFLDL2T(uint32_t fetchdat)
{
FP_ENTER();
pc++;
cpu_state.pc++;
if (fplog) pclog("FLDL2T\n");
x87_push(3.3219280948873623);
CLOCK_CYCLES(8);
@ -417,7 +417,7 @@ static int opFLDL2T(uint32_t fetchdat)
static int opFLDL2E(uint32_t fetchdat)
{
FP_ENTER();
pc++;
cpu_state.pc++;
if (fplog) pclog("FLDL2E\n");
x87_push(1.4426950408889634);
CLOCK_CYCLES(8);
@ -427,7 +427,7 @@ static int opFLDL2E(uint32_t fetchdat)
static int opFLDPI(uint32_t fetchdat)
{
FP_ENTER();
pc++;
cpu_state.pc++;
if (fplog) pclog("FLDPI\n");
x87_push(3.141592653589793);
CLOCK_CYCLES(8);
@ -437,7 +437,7 @@ static int opFLDPI(uint32_t fetchdat)
static int opFLDEG2(uint32_t fetchdat)
{
FP_ENTER();
pc++;
cpu_state.pc++;
if (fplog) pclog("FLDEG2\n");
x87_push(0.3010299956639812);
CLOCK_CYCLES(8);
@ -447,7 +447,7 @@ static int opFLDEG2(uint32_t fetchdat)
static int opFLDLN2(uint32_t fetchdat)
{
FP_ENTER();
pc++;
cpu_state.pc++;
if (fplog) pclog("FLDLN2\n");
x87_push(0.693147180559945);
CLOCK_CYCLES(8);
@ -457,7 +457,7 @@ static int opFLDLN2(uint32_t fetchdat)
static int opFLDZ(uint32_t fetchdat)
{
FP_ENTER();
pc++;
cpu_state.pc++;
if (fplog) pclog("FLDZ\n");
x87_push(0.0);
tag[TOP&7] = 1;
@ -468,7 +468,7 @@ static int opFLDZ(uint32_t fetchdat)
static int opF2XM1(uint32_t fetchdat)
{
FP_ENTER();
pc++;
cpu_state.pc++;
if (fplog) pclog("F2XM1\n");
ST(0) = pow(2.0, ST(0)) - 1.0;
tag[TOP] &= ~TAG_UINT64;
@ -479,7 +479,7 @@ static int opF2XM1(uint32_t fetchdat)
static int opFYL2X(uint32_t fetchdat)
{
FP_ENTER();
pc++;
cpu_state.pc++;
if (fplog) pclog("FYL2X\n");
ST(1) = ST(1) * (log(ST(0)) / log(2.0));
tag[(TOP + 1) & 7] &= ~TAG_UINT64;
@ -491,7 +491,7 @@ static int opFYL2X(uint32_t fetchdat)
static int opFYL2XP1(uint32_t fetchdat)
{
FP_ENTER();
pc++;
cpu_state.pc++;
if (fplog) pclog("FYL2XP1\n");
ST(1) = ST(1) * (log(ST(0)+1.0) / log(2.0));
tag[(TOP + 1) & 7] &= ~TAG_UINT64;
@ -503,7 +503,7 @@ static int opFYL2XP1(uint32_t fetchdat)
static int opFPTAN(uint32_t fetchdat)
{
FP_ENTER();
pc++;
cpu_state.pc++;
if (fplog) pclog("FPTAN\n");
ST(0) = tan(ST(0));
tag[TOP] &= ~TAG_UINT64;
@ -516,7 +516,7 @@ static int opFPTAN(uint32_t fetchdat)
static int opFPATAN(uint32_t fetchdat)
{
FP_ENTER();
pc++;
cpu_state.pc++;
if (fplog) pclog("FPATAN\n");
ST(1) = atan2(ST(1), ST(0));
tag[(TOP + 1) & 7] &= ~TAG_UINT64;
@ -528,7 +528,7 @@ static int opFPATAN(uint32_t fetchdat)
static int opFDECSTP(uint32_t fetchdat)
{
FP_ENTER();
pc++;
cpu_state.pc++;
if (fplog) pclog("FDECSTP\n");
TOP = (TOP - 1) & 7;
CLOCK_CYCLES(4);
@ -538,7 +538,7 @@ static int opFDECSTP(uint32_t fetchdat)
static int opFINCSTP(uint32_t fetchdat)
{
FP_ENTER();
pc++;
cpu_state.pc++;
if (fplog) pclog("FDECSTP\n");
TOP = (TOP + 1) & 7;
CLOCK_CYCLES(4);
@ -549,7 +549,7 @@ static int opFPREM(uint32_t fetchdat)
{
int64_t temp64;
FP_ENTER();
pc++;
cpu_state.pc++;
if (fplog) pclog("FPREM %f %f ", ST(0), ST(1));
temp64 = (int64_t)(ST(0) / ST(1));
ST(0) = ST(0) - (ST(1) * (double)temp64);
@ -566,7 +566,7 @@ static int opFPREM1(uint32_t fetchdat)
{
int64_t temp64;
FP_ENTER();
pc++;
cpu_state.pc++;
if (fplog) pclog("FPREM1 %f %f ", ST(0), ST(1));
temp64 = (int64_t)(ST(0) / ST(1));
ST(0) = ST(0) - (ST(1) * (double)temp64);
@ -583,7 +583,7 @@ static int opFPREM1(uint32_t fetchdat)
static int opFSQRT(uint32_t fetchdat)
{
FP_ENTER();
pc++;
cpu_state.pc++;
if (fplog) pclog("FSQRT\n");
ST(0) = sqrt(ST(0));
tag[TOP] &= ~TAG_UINT64;
@ -595,7 +595,7 @@ static int opFSINCOS(uint32_t fetchdat)
{
double td;
FP_ENTER();
pc++;
cpu_state.pc++;
if (fplog) pclog("FSINCOS\n");
td = ST(0);
ST(0) = sin(td);
@ -609,7 +609,7 @@ static int opFSINCOS(uint32_t fetchdat)
static int opFRNDINT(uint32_t fetchdat)
{
FP_ENTER();
pc++;
cpu_state.pc++;
if (fplog) pclog("FRNDINT %g ", ST(0));
ST(0) = (double)x87_fround(ST(0));
tag[TOP] &= ~TAG_UINT64;
@ -622,7 +622,7 @@ static int opFSCALE(uint32_t fetchdat)
{
int64_t temp64;
FP_ENTER();
pc++;
cpu_state.pc++;
if (fplog) pclog("FSCALE\n");
temp64 = (int64_t)ST(1);
ST(0) = ST(0) * pow(2.0, (double)temp64);
@ -634,7 +634,7 @@ static int opFSCALE(uint32_t fetchdat)
static int opFSIN(uint32_t fetchdat)
{
FP_ENTER();
pc++;
cpu_state.pc++;
if (fplog) pclog("FSIN\n");
ST(0) = sin(ST(0));
tag[TOP] &= ~TAG_UINT64;
@ -646,7 +646,7 @@ static int opFSIN(uint32_t fetchdat)
static int opFCOS(uint32_t fetchdat)
{
FP_ENTER();
pc++;
cpu_state.pc++;
if (fplog) pclog("FCOS\n");
ST(0) = cos(ST(0));
tag[TOP] &= ~TAG_UINT64;