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CPU/PGXP: Remove remaining C-isms

This commit is contained in:
Stenzek 2024-08-20 19:12:51 +10:00
parent a764954977
commit 491179a447
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1 changed files with 54 additions and 73 deletions
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127
src/core/cpu_pgxp.cpp
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@ -215,16 +215,15 @@ ALWAYS_INLINE_RELEASE double CPU::PGXP::f16Sign(double in)
const s32 s = static_cast<s32>(static_cast<s64>(in * (USHRT_MAX + 1)));
return static_cast<double>(s) / static_cast<double>(USHRT_MAX + 1);
}
ALWAYS_INLINE_RELEASE double CPU::PGXP::f16Unsign(double in)
{
return (in >= 0) ? in : (in + (USHRT_MAX + 1));
}
ALWAYS_INLINE_RELEASE double CPU::PGXP::f16Overflow(double in)
{
double out = 0;
s64 v = ((s64)in) >> 16;
out = (double)v;
return out;
return static_cast<double>(static_cast<s64>(in) >> 16);
}
ALWAYS_INLINE CPU::PGXP_value& CPU::PGXP::GetRdValue(Instruction instr)
@ -343,7 +342,7 @@ ALWAYS_INLINE_RELEASE void CPU::PGXP::ValidateAndLoadMem16(PGXP_value* dest, u32
// only set y as valid if x is also valid.. don't want to make fake values
if (dest->HasValid(COMP_X))
{
dest->y = (dest->x < 0) ? -1.f * sign : 0.f;
dest->y = (dest->x < 0) ? -1.0f * sign : 0.0f;
dest->SetValid(COMP_Y);
}
else
@ -775,13 +774,12 @@ void CPU::PGXP::CPU_ADDI(Instruction instr, u32 rsVal)
prtVal.x += static_cast<float>(LOWORD_U16(immVal));
// carry on over/underflow
float of = (prtVal.x > USHRT_MAX) ? 1.f : (prtVal.x < 0) ? -1.f : 0.f;
const float of = (prtVal.x > USHRT_MAX) ? 1.0f : (prtVal.x < 0.0f) ? -1.0f : 0.0f;
prtVal.x = static_cast<float>(f16Sign(prtVal.x));
// ret.x -= of * (USHRT_MAX + 1);
prtVal.y += HIWORD_S16(immVal) + of;
// truncate on overflow/underflow
prtVal.y += (prtVal.y > SHRT_MAX) ? -(USHRT_MAX + 1) : (prtVal.y < SHRT_MIN) ? USHRT_MAX + 1 : 0.f;
prtVal.y += (prtVal.y > SHRT_MAX) ? -(USHRT_MAX + 1) : (prtVal.y < SHRT_MIN) ? (USHRT_MAX + 1) : 0.0f;
prtVal.value = rsVal + immVal;
@ -798,7 +796,8 @@ void CPU::PGXP::CPU_ANDI(Instruction instr, u32 rsVal)
PGXP_value& prsVal = ValidateAndGetRsValue(instr, rsVal);
PGXP_value& prtVal = GetRtValue(instr);
prtVal.y = 0.0f; // remove upper 16-bits
// remove upper 16-bits
prtVal.y = 0.0f;
prtVal.z = prsVal.z;
prtVal.value = rtVal;
prtVal.flags = prsVal.flags | VALID_Y | VALID_TAINTED_Z;
@ -892,7 +891,7 @@ void CPU::PGXP::CPU_SLTI(Instruction instr, u32 rsVal)
const float fimmy = fimmx < 0.0f ? -1.0f : 0.0f;
PGXP_value& prtVal = GetRtValue(instr);
prtVal.x = (prsVal.GetValidY(rsVal) < fimmy || prsVal.GetValidX(rsVal) < fimmx) ? 1.f : 0.f;
prtVal.x = (prsVal.GetValidY(rsVal) < fimmy || prsVal.GetValidX(rsVal) < fimmx) ? 1.0f : 0.0f;
prtVal.y = 0.0f;
prtVal.z = prsVal.z;
prtVal.flags = prsVal.flags | VALID_X | VALID_Y | VALID_TAINTED_Z;
@ -913,7 +912,7 @@ void CPU::PGXP::CPU_SLTIU(Instruction instr, u32 rsVal)
PGXP_value& prtVal = GetRtValue(instr);
prtVal.x =
(f16Unsign(prsVal.GetValidY(rsVal)) < f16Unsign(fimmy) || f16Unsign(prsVal.GetValidX(rsVal)) < fimmx) ? 1.0f : 0.0f;
prtVal.y = 0.f;
prtVal.y = 0.0f;
prtVal.z = prsVal.z;
prtVal.flags = prsVal.flags | VALID_X | VALID_Y | VALID_TAINTED_Z;
prtVal.value = BoolToUInt32(rsVal < imm);
@ -962,13 +961,12 @@ void CPU::PGXP::CPU_ADD(Instruction instr, u32 rsVal, u32 rtVal)
const double x = f16Unsign(prsVal.GetValidX(rsVal)) + f16Unsign(prtVal.GetValidX(rtVal));
// carry on over/underflow
const float of = (x > USHRT_MAX) ? 1.f : (x < 0) ? -1.f : 0.f;
const float of = (x > USHRT_MAX) ? 1.0f : (x < 0.0f) ? -1.0f : 0.0f;
prdVal.x = static_cast<float>(f16Sign(x));
// prdVal.x -= of * (USHRT_MAX + 1);
prdVal.y = prsVal.GetValidY(rsVal) + prtVal.GetValidY(rtVal) + of;
// truncate on overflow/underflow
prdVal.y += (prdVal.y > SHRT_MAX) ? -(USHRT_MAX + 1) : (prdVal.y < SHRT_MIN) ? USHRT_MAX + 1 : 0.f;
prdVal.y += (prdVal.y > SHRT_MAX) ? -(USHRT_MAX + 1) : (prdVal.y < SHRT_MIN) ? (USHRT_MAX + 1) : 0.0f;
prdVal.value = rsVal + rtVal;
@ -998,13 +996,12 @@ void CPU::PGXP::CPU_SUB(Instruction instr, u32 rsVal, u32 rtVal)
const double x = f16Unsign(prsVal.GetValidX(rsVal)) - f16Unsign(prtVal.GetValidX(rtVal));
// carry on over/underflow
const float of = (x > USHRT_MAX) ? 1.f : (x < 0) ? -1.f : 0.f;
const float of = (x > USHRT_MAX) ? 1.0f : (x < 0.0f) ? -1.0f : 0.0f;
prdVal.x = static_cast<float>(f16Sign(x));
// prdVal.x -= of * (USHRT_MAX + 1);
prdVal.y = prsVal.GetValidY(rsVal) - (prtVal.GetValidY(rtVal) - of);
// truncate on overflow/underflow
prdVal.y += (prdVal.y > SHRT_MAX) ? -(USHRT_MAX + 1) : (prdVal.y < SHRT_MIN) ? USHRT_MAX + 1 : 0.f;
prdVal.y += (prdVal.y > SHRT_MAX) ? -(USHRT_MAX + 1) : (prdVal.y < SHRT_MIN) ? (USHRT_MAX + 1) : 0.0f;
prdVal.value = rsVal - rtVal;
@ -1142,36 +1139,28 @@ void CPU::PGXP::CPU_MULT(Instruction instr, u32 rsVal, u32 rtVal)
// Z/valid is the same
phiVal = ploVal;
double xx, xy, yx, yy;
double lx = 0, ly = 0, hx = 0, hy = 0;
const float rsx = prsVal.GetValidX(rsVal);
const float rsy = prsVal.GetValidY(rsVal);
const float rtx = prtVal.GetValidX(rtVal);
const float rty = prtVal.GetValidY(rtVal);
// Multiply out components
xx = f16Unsign(rsx) * f16Unsign(rtx);
xy = f16Unsign(rsx) * (rty);
yx = (rsy)*f16Unsign(rtx);
yy = (rsy) * (rty);
const double xx = f16Unsign(rsx) * f16Unsign(rtx);
const double xy = f16Unsign(rsx) * (rty);
const double yx = rsy * f16Unsign(rtx);
const double yy = rsy * rty;
// Split values into outputs
lx = xx;
const double lx = xx;
const double ly = f16Overflow(xx) + (xy + yx);
const double hx = f16Overflow(ly)+ yy;
const double hy = f16Overflow(hx);
ly = f16Overflow(xx);
ly += xy + yx;
hx = f16Overflow(ly);
hx += yy;
hy = f16Overflow(hx);
ploVal.x = (float)f16Sign(lx);
ploVal.y = (float)f16Sign(ly);
ploVal.x = static_cast<float>(f16Sign(lx));
ploVal.y = static_cast<float>(f16Sign(ly));
ploVal.flags |= VALID_TAINTED_Z | (prtVal.flags & VALID_XY);
phiVal.x = (float)f16Sign(hx);
phiVal.y = (float)f16Sign(hy);
phiVal.x = static_cast<float>(f16Sign(hx));
phiVal.y = static_cast<float>(f16Sign(hy));
phiVal.flags |= VALID_TAINTED_Z | (prtVal.flags & VALID_XY);
// compute PSX value
@ -1196,36 +1185,28 @@ void CPU::PGXP::CPU_MULTU(Instruction instr, u32 rsVal, u32 rtVal)
// Z/valid is the same
phiVal = ploVal;
double xx, xy, yx, yy;
double lx = 0, ly = 0, hx = 0, hy = 0;
const float rsx = prsVal.GetValidX(rsVal);
const float rsy = prsVal.GetValidY(rsVal);
const float rtx = prtVal.GetValidX(rtVal);
const float rty = prtVal.GetValidY(rtVal);
// Multiply out components
xx = f16Unsign(rsx) * f16Unsign(rtx);
xy = f16Unsign(rsx) * f16Unsign(rty);
yx = f16Unsign(rsy) * f16Unsign(rtx);
yy = f16Unsign(rsy) * f16Unsign(rty);
const double xx = f16Unsign(rsx) * f16Unsign(rtx);
const double xy = f16Unsign(rsx) * f16Unsign(rty);
const double yx = f16Unsign(rsy) * f16Unsign(rtx);
const double yy = f16Unsign(rsy) * f16Unsign(rty);
// Split values into outputs
lx = xx;
const double lx = xx;
const double ly = f16Overflow(xx) + (xy + yx);
const double hx = f16Overflow(ly) + yy;
const double hy = f16Overflow(hx);
ly = f16Overflow(xx);
ly += xy + yx;
hx = f16Overflow(ly);
hx += yy;
hy = f16Overflow(hx);
ploVal.x = (float)f16Sign(lx);
ploVal.y = (float)f16Sign(ly);
ploVal.x = static_cast<float>(f16Sign(lx));
ploVal.y = static_cast<float>(f16Sign(ly));
ploVal.flags |= VALID_TAINTED_Z | (prtVal.flags & VALID_XY);
phiVal.x = (float)f16Sign(hx);
phiVal.y = (float)f16Sign(hy);
phiVal.x = static_cast<float>(f16Sign(hx));
phiVal.y = static_cast<float>(f16Sign(hy));
phiVal.flags |= VALID_TAINTED_Z | (prtVal.flags & VALID_XY);
// compute PSX value
@ -1251,17 +1232,17 @@ void CPU::PGXP::CPU_DIV(Instruction instr, u32 rsVal, u32 rtVal)
// Z/valid is the same
phiVal = ploVal;
double vs = f16Unsign(prsVal.GetValidX(rsVal)) + prsVal.GetValidY(rsVal) * (double)(1 << 16);
double vt = f16Unsign(prtVal.GetValidX(rtVal)) + prtVal.GetValidY(rtVal) * (double)(1 << 16);
const double vs = f16Unsign(prsVal.GetValidX(rsVal)) + prsVal.GetValidY(rsVal) * static_cast<double>(1 << 16);
const double vt = f16Unsign(prtVal.GetValidX(rtVal)) + prtVal.GetValidY(rtVal) * static_cast<double>(1 << 16);
double lo = vs / vt;
ploVal.y = (float)f16Sign(f16Overflow(lo));
ploVal.x = (float)f16Sign(lo);
const double lo = vs / vt;
ploVal.y = static_cast<float>(f16Sign(f16Overflow(lo)));
ploVal.x = static_cast<float>(f16Sign(lo));
ploVal.flags |= VALID_TAINTED_Z | (prtVal.flags & VALID_XY);
double hi = fmod(vs, vt);
phiVal.y = (float)f16Sign(f16Overflow(hi));
phiVal.x = (float)f16Sign(hi);
const double hi = std::fmod(vs, vt);
phiVal.y = static_cast<float>(f16Sign(f16Overflow(hi)));
phiVal.x = static_cast<float>(f16Sign(hi));
phiVal.flags |= VALID_TAINTED_Z | (prtVal.flags & VALID_XY);
// compute PSX value
@ -1301,17 +1282,17 @@ void CPU::PGXP::CPU_DIVU(Instruction instr, u32 rsVal, u32 rtVal)
// Z/valid is the same
phiVal = ploVal;
double vs = f16Unsign(prsVal.GetValidX(rsVal)) + f16Unsign(prsVal.GetValidY(rsVal)) * (double)(1 << 16);
double vt = f16Unsign(prtVal.GetValidX(rtVal)) + f16Unsign(prtVal.GetValidY(rtVal)) * (double)(1 << 16);
const double vs = f16Unsign(prsVal.GetValidX(rsVal)) + f16Unsign(prsVal.GetValidY(rsVal)) * static_cast<double>(1 << 16);
const double vt = f16Unsign(prtVal.GetValidX(rtVal)) + f16Unsign(prtVal.GetValidY(rtVal)) * static_cast<double>(1 << 16);
double lo = vs / vt;
ploVal.y = (float)f16Sign(f16Overflow(lo));
ploVal.x = (float)f16Sign(lo);
const double lo = vs / vt;
ploVal.y = static_cast<float>(f16Sign(f16Overflow(lo)));
ploVal.x = static_cast<float>(f16Sign(lo));
ploVal.flags |= VALID_TAINTED_Z | (prtVal.flags & VALID_XY);
double hi = fmod(vs, vt);
phiVal.y = (float)f16Sign(f16Overflow(hi));
phiVal.x = (float)f16Sign(hi);
const double hi = std::fmod(vs, vt);
phiVal.y = static_cast<float>(f16Sign(f16Overflow(hi)));
phiVal.x = static_cast<float>(f16Sign(hi));
phiVal.flags |= VALID_TAINTED_Z | (prtVal.flags & VALID_XY);
if (rtVal == 0)