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Re-added some x87 differences between the old and new recompilers, fixes #692.

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This commit is contained in:
OBattler
2020-04-19 18:26:57 +02:00
parent 5de8564fdc
commit cd0a57b6c3
6 changed files with 130 additions and 45 deletions
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30
src/cpu_common/x87.c
View File

@@ -42,6 +42,7 @@ fpu_log(const char *fmt, ...)
#define X87_TAG_INVALID 2
#define X87_TAG_EMPTY 3
#ifdef USE_NEW_DYNAREC
uint16_t x87_gettag()
{
uint16_t ret = 0;
@@ -78,6 +79,35 @@ void x87_settag(uint16_t new_tag)
cpu_state.tag[c] = TAG_VALID;
}
}
#else
uint16_t x87_gettag()
{
uint16_t ret = 0;
int c;
for (c = 0; c < 8; c++)
{
if (cpu_state.tag[c] & TAG_UINT64)
ret |= 2 << (c*2);
else
ret |= (cpu_state.tag[c] << (c*2));
}
return ret;
}
void x87_settag(uint16_t new_tag)
{
cpu_state.tag[0] = new_tag & 3;
cpu_state.tag[1] = (new_tag >> 2) & 3;
cpu_state.tag[2] = (new_tag >> 4) & 3;
cpu_state.tag[3] = (new_tag >> 6) & 3;
cpu_state.tag[4] = (new_tag >> 8) & 3;
cpu_state.tag[5] = (new_tag >> 10) & 3;
cpu_state.tag[6] = (new_tag >> 12) & 3;
cpu_state.tag[7] = (new_tag >> 14) & 3;
}
#endif
#ifdef ENABLE_808X_LOG

6
src/cpu_common/x87.h
View File

@@ -30,10 +30,14 @@ void x87_settag(uint16_t new_tag);
#define TAG_EMPTY 0
#define TAG_VALID (1 << 0)
/*Hack for FPU copy. If set then MM[].q contains the 64-bit integer loaded by FILD*/
#ifdef USE_NEW_DYNAREC
#define TAG_UINT64 (1 << 7)
#else
#define TAG_UINT64 (1 << 2)
#endif
/*Old dynarec stuff.*/
#define TAG_NOT_UINT64 0x7f
#define TAG_NOT_UINT64 0xfb
#define X87_ROUNDING_NEAREST 0
#define X87_ROUNDING_DOWN 1

30
src/cpu_common/x87_ops.h
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@@ -98,7 +98,11 @@ static __inline void x87_push(double i)
cpu_state.TOP=(cpu_state.TOP-1)&7;
#endif
cpu_state.ST[cpu_state.TOP&7] = i;
#ifdef USE_NEW_DYNAREC
cpu_state.tag[cpu_state.TOP&7] = TAG_VALID;
#else
cpu_state.tag[cpu_state.TOP&7] = (i == 0.0) ? TAG_VALID : 0;
#endif
}
static __inline void x87_push_u64(uint64_t i)
@@ -117,7 +121,11 @@ static __inline void x87_push_u64(uint64_t i)
cpu_state.TOP=(cpu_state.TOP-1)&7;
#endif
cpu_state.ST[cpu_state.TOP&7] = td.d;
#ifdef USE_NEW_DYNAREC
cpu_state.tag[cpu_state.TOP&7] = TAG_VALID;
#else
cpu_state.tag[cpu_state.TOP&7] = (td.d == 0.0) ? TAG_VALID : 0;
#endif
}
static __inline double x87_pop()
@@ -127,6 +135,7 @@ static __inline double x87_pop()
#ifdef USE_NEW_DYNAREC
cpu_state.TOP++;
#else
cpu_state.tag[cpu_state.TOP&7] |= TAG_UINT64;
cpu_state.TOP=(cpu_state.TOP+1)&7;
#endif
return t;
@@ -263,13 +272,22 @@ static __inline void x87_ld_frstor(int reg)
cpu_state.MM[reg].q = readmemq(easeg, cpu_state.eaaddr);
cpu_state.MM_w4[reg] = readmemw(easeg, cpu_state.eaaddr + 8);
#ifdef USE_NEW_DYNAREC
if ((cpu_state.MM_w4[reg] == 0x5555) && (cpu_state.tag[reg] & TAG_UINT64))
#else
if ((cpu_state.MM_w4[reg] == 0x5555) && (cpu_state.tag[reg] == 2))
#endif
{
#ifndef USE_NEW_DYNAREC
cpu_state.tag[reg] = TAG_UINT64;
#endif
cpu_state.ST[reg] = (double)cpu_state.MM[reg].q;
}
else
{
#ifdef USE_NEW_DYNAREC
cpu_state.tag[reg] &= ~TAG_UINT64;
#endif
cpu_state.ST[reg] = x87_ld80();
}
}
@@ -426,6 +444,18 @@ typedef union
} while (0)
#endif
#ifdef USE_NEW_DYNAREC
# define FP_TAG_VALID cpu_state.tag[cpu_state.TOP&7] = TAG_VALID
# define FP_TAG_VALID_F cpu_state.tag[(cpu_state.TOP + fetchdat) & 7] = TAG_VALID
# define FP_TAG_DEFAULT cpu_state.tag[cpu_state.TOP&7] = TAG_VALID | TAG_UINT64
# define FP_TAG_VALID_N cpu_state.tag[(cpu_state.TOP + 1) & 7] = TAG_VALID
#else
# define FP_TAG_VALID cpu_state.tag[cpu_state.TOP] &= ~TAG_UINT64
# define FP_TAG_VALID_F cpu_state.tag[(cpu_state.TOP + fetchdat) & 7] &= ~TAG_UINT64
# define FP_TAG_DEFAULT cpu_state.tag[cpu_state.TOP] |= TAG_UINT64;
# define FP_TAG_VALID_N cpu_state.tag[(cpu_state.TOP + 1) & 7] &= ~TAG_UINT64
#endif
#include "x87_ops_arith.h"
#include "x87_ops_misc.h"
#include "x87_ops_loadstore.h"

48
src/cpu_common/x87_ops_arith.h
View File

@@ -11,7 +11,7 @@ static int opFADD ## name ## _a ## a_size(uint32_t fetchdat) \
ST(0) += use_var; \
if ((cpu_state.npxc >> 10) & 3) \
fesetround(FE_TONEAREST); \
cpu_state.tag[cpu_state.TOP&7] = TAG_VALID; \
FP_TAG_VALID; \
CLOCK_CYCLES(8); \
return 0; \
} \
@@ -48,7 +48,7 @@ static int opFDIV ## name ## _a ## a_size(uint32_t fetchdat) \
SEG_CHECK_READ(cpu_state.ea_seg); \
load_var = get(); if (cpu_state.abrt) return 1; \
x87_div(ST(0), ST(0), use_var); \
cpu_state.tag[cpu_state.TOP&7] = TAG_VALID; \
FP_TAG_VALID; \
CLOCK_CYCLES(73); \
return 0; \
} \
@@ -60,7 +60,7 @@ static int opFDIVR ## name ## _a ## a_size(uint32_t fetchdat) \
SEG_CHECK_READ(cpu_state.ea_seg); \
load_var = get(); if (cpu_state.abrt) return 1; \
x87_div(ST(0), use_var, ST(0)); \
cpu_state.tag[cpu_state.TOP&7] = TAG_VALID; \
FP_TAG_VALID; \
CLOCK_CYCLES(73); \
return 0; \
} \
@@ -72,7 +72,7 @@ static int opFMUL ## name ## _a ## a_size(uint32_t fetchdat) \
SEG_CHECK_READ(cpu_state.ea_seg); \
load_var = get(); if (cpu_state.abrt) return 1; \
ST(0) *= use_var; \
cpu_state.tag[cpu_state.TOP&7] = TAG_VALID; \
FP_TAG_VALID; \
CLOCK_CYCLES(11); \
return 0; \
} \
@@ -84,7 +84,7 @@ static int opFSUB ## name ## _a ## a_size(uint32_t fetchdat) \
SEG_CHECK_READ(cpu_state.ea_seg); \
load_var = get(); if (cpu_state.abrt) return 1; \
ST(0) -= use_var; \
cpu_state.tag[cpu_state.TOP&7] = TAG_VALID; \
FP_TAG_VALID; \
CLOCK_CYCLES(8); \
return 0; \
} \
@@ -96,7 +96,7 @@ static int opFSUBR ## name ## _a ## a_size(uint32_t fetchdat) \
SEG_CHECK_READ(cpu_state.ea_seg); \
load_var = get(); if (cpu_state.abrt) return 1; \
ST(0) = use_var - ST(0); \
cpu_state.tag[cpu_state.TOP&7] = TAG_VALID; \
FP_TAG_VALID; \
CLOCK_CYCLES(8); \
return 0; \
}
@@ -126,7 +126,7 @@ static int opFADD(uint32_t fetchdat)
FP_ENTER();
cpu_state.pc++;
ST(0) = ST(0) + ST(fetchdat & 7);
cpu_state.tag[cpu_state.TOP&7] = TAG_VALID;
FP_TAG_VALID;
CLOCK_CYCLES(8);
return 0;
}
@@ -135,7 +135,7 @@ static int opFADDr(uint32_t fetchdat)
FP_ENTER();
cpu_state.pc++;
ST(fetchdat & 7) = ST(fetchdat & 7) + ST(0);
cpu_state.tag[(cpu_state.TOP + fetchdat) & 7] = TAG_VALID;
FP_TAG_VALID_F;
CLOCK_CYCLES(8);
return 0;
}
@@ -144,7 +144,7 @@ static int opFADDP(uint32_t fetchdat)
FP_ENTER();
cpu_state.pc++;
ST(fetchdat & 7) = ST(fetchdat & 7) + ST(0);
cpu_state.tag[(cpu_state.TOP + fetchdat) & 7] = TAG_VALID;
FP_TAG_VALID_F;
x87_pop();
CLOCK_CYCLES(8);
return 0;
@@ -233,7 +233,7 @@ static int opFDIV(uint32_t fetchdat)
FP_ENTER();
cpu_state.pc++;
x87_div(ST(0), ST(0), ST(fetchdat & 7));
cpu_state.tag[cpu_state.TOP&7] = TAG_VALID;
FP_TAG_VALID;
CLOCK_CYCLES(73);
return 0;
}
@@ -242,7 +242,7 @@ static int opFDIVr(uint32_t fetchdat)
FP_ENTER();
cpu_state.pc++;
x87_div(ST(fetchdat & 7), ST(fetchdat & 7), ST(0));
cpu_state.tag[(cpu_state.TOP + fetchdat) & 7] = TAG_VALID;
FP_TAG_VALID_F;
CLOCK_CYCLES(73);
return 0;
}
@@ -251,7 +251,7 @@ static int opFDIVP(uint32_t fetchdat)
FP_ENTER();
cpu_state.pc++;
x87_div(ST(fetchdat & 7), ST(fetchdat & 7), ST(0));
cpu_state.tag[(cpu_state.TOP + fetchdat) & 7] = TAG_VALID;
FP_TAG_VALID_F;
x87_pop();
CLOCK_CYCLES(73);
return 0;
@@ -262,7 +262,7 @@ static int opFDIVR(uint32_t fetchdat)
FP_ENTER();
cpu_state.pc++;
x87_div(ST(0), ST(fetchdat&7), ST(0));
cpu_state.tag[cpu_state.TOP&7] = TAG_VALID;
FP_TAG_VALID;
CLOCK_CYCLES(73);
return 0;
}
@@ -271,7 +271,7 @@ static int opFDIVRr(uint32_t fetchdat)
FP_ENTER();
cpu_state.pc++;
x87_div(ST(fetchdat & 7), ST(0), ST(fetchdat & 7));
cpu_state.tag[(cpu_state.TOP + fetchdat) & 7] = TAG_VALID;
FP_TAG_VALID_F;
CLOCK_CYCLES(73);
return 0;
}
@@ -280,7 +280,7 @@ static int opFDIVRP(uint32_t fetchdat)
FP_ENTER();
cpu_state.pc++;
x87_div(ST(fetchdat & 7), ST(0), ST(fetchdat & 7));
cpu_state.tag[(cpu_state.TOP + fetchdat) & 7] = TAG_VALID;
FP_TAG_VALID_F;
x87_pop();
CLOCK_CYCLES(73);
return 0;
@@ -291,7 +291,7 @@ static int opFMUL(uint32_t fetchdat)
FP_ENTER();
cpu_state.pc++;
ST(0) = ST(0) * ST(fetchdat & 7);
cpu_state.tag[cpu_state.TOP&7] = TAG_VALID;
FP_TAG_VALID;
CLOCK_CYCLES(16);
return 0;
}
@@ -300,7 +300,7 @@ static int opFMULr(uint32_t fetchdat)
FP_ENTER();
cpu_state.pc++;
ST(fetchdat & 7) = ST(0) * ST(fetchdat & 7);
cpu_state.tag[(cpu_state.TOP + fetchdat) & 7] = TAG_VALID;
FP_TAG_VALID_F;
CLOCK_CYCLES(16);
return 0;
}
@@ -309,7 +309,7 @@ static int opFMULP(uint32_t fetchdat)
FP_ENTER();
cpu_state.pc++;
ST(fetchdat & 7) = ST(0) * ST(fetchdat & 7);
cpu_state.tag[(cpu_state.TOP + fetchdat) & 7] = TAG_VALID;
FP_TAG_VALID_F;
x87_pop();
CLOCK_CYCLES(16);
return 0;
@@ -320,7 +320,7 @@ static int opFSUB(uint32_t fetchdat)
FP_ENTER();
cpu_state.pc++;
ST(0) = ST(0) - ST(fetchdat & 7);
cpu_state.tag[cpu_state.TOP&7] = TAG_VALID;
FP_TAG_VALID;
CLOCK_CYCLES(8);
return 0;
}
@@ -329,7 +329,7 @@ static int opFSUBr(uint32_t fetchdat)
FP_ENTER();
cpu_state.pc++;
ST(fetchdat & 7) = ST(fetchdat & 7) - ST(0);
cpu_state.tag[(cpu_state.TOP + fetchdat) & 7] = TAG_VALID;
FP_TAG_VALID_F;
CLOCK_CYCLES(8);
return 0;
}
@@ -338,7 +338,7 @@ static int opFSUBP(uint32_t fetchdat)
FP_ENTER();
cpu_state.pc++;
ST(fetchdat & 7) = ST(fetchdat & 7) - ST(0);
cpu_state.tag[(cpu_state.TOP + fetchdat) & 7] = TAG_VALID;
FP_TAG_VALID_F;
x87_pop();
CLOCK_CYCLES(8);
return 0;
@@ -349,7 +349,7 @@ static int opFSUBR(uint32_t fetchdat)
FP_ENTER();
cpu_state.pc++;
ST(0) = ST(fetchdat & 7) - ST(0);
cpu_state.tag[cpu_state.TOP&7] = TAG_VALID;
FP_TAG_VALID;
CLOCK_CYCLES(8);
return 0;
}
@@ -358,7 +358,7 @@ static int opFSUBRr(uint32_t fetchdat)
FP_ENTER();
cpu_state.pc++;
ST(fetchdat & 7) = ST(0) - ST(fetchdat & 7);
cpu_state.tag[(cpu_state.TOP + fetchdat) & 7] = TAG_VALID;
FP_TAG_VALID_F;
CLOCK_CYCLES(8);
return 0;
}
@@ -367,7 +367,7 @@ static int opFSUBRP(uint32_t fetchdat)
FP_ENTER();
cpu_state.pc++;
ST(fetchdat & 7) = ST(0) - ST(fetchdat & 7);
cpu_state.tag[(cpu_state.TOP + fetchdat) & 7] = TAG_VALID;
FP_TAG_VALID_F;
x87_pop();
CLOCK_CYCLES(8);
return 0;

5
src/cpu_common/x87_ops_loadstore.h
View File

@@ -15,7 +15,6 @@
* Copyright 2008-2019 Sarah Walker.
* Copyright 2016-2019 Miran Grca.
*/
static int opFILDiw_a16(uint32_t fetchdat)
{
int16_t temp;
@@ -102,7 +101,7 @@ static int opFILDiq_a16(uint32_t fetchdat)
temp64 = geteaq(); if (cpu_state.abrt) return 1;
x87_push((double)temp64);
cpu_state.MM[cpu_state.TOP&7].q = temp64;
cpu_state.tag[cpu_state.TOP&7] = TAG_VALID | TAG_UINT64;
FP_TAG_DEFAULT;
CLOCK_CYCLES(10);
return 0;
@@ -117,7 +116,7 @@ static int opFILDiq_a32(uint32_t fetchdat)
temp64 = geteaq(); if (cpu_state.abrt) return 1;
x87_push((double)temp64);
cpu_state.MM[cpu_state.TOP&7].q = temp64;
cpu_state.tag[cpu_state.TOP&7] = TAG_VALID | TAG_UINT64;
FP_TAG_DEFAULT;
CLOCK_CYCLES(10);
return 0;

56
src/cpu_common/x87_ops_misc.h
View File

@@ -51,7 +51,11 @@ static int opFINIT(uint32_t fetchdat)
codegen_set_rounding_mode(X87_ROUNDING_NEAREST);
cpu_state.npxs = 0;
p = (uint64_t *)cpu_state.tag;
#ifdef USE_NEW_DYNAREC
*p = 0;
#else
*p = 0x0303030303030303ll;
#endif
cpu_state.TOP = 0;
cpu_state.ismmx = 0;
CLOCK_CYCLES(17);
@@ -64,7 +68,11 @@ static int opFFREE(uint32_t fetchdat)
{
FP_ENTER();
cpu_state.pc++;
#ifdef USE_NEW_DYNAREC
cpu_state.tag[(cpu_state.TOP + fetchdat) & 7] = TAG_EMPTY;
#else
cpu_state.tag[(cpu_state.TOP + fetchdat) & 7] = 3;
#endif
CLOCK_CYCLES(3);
return 0;
}
@@ -141,10 +149,16 @@ static int FSTOR()
/*Horrible hack, but as PCem doesn't keep the FPU stack in 80-bit precision at all times
something like this is needed*/
p = (uint64_t *) cpu_state.tag;
#ifdef USE_NEW_DYNAREC
if (cpu_state.MM_w4[0] == 0xffff && cpu_state.MM_w4[1] == 0xffff && cpu_state.MM_w4[2] == 0xffff && cpu_state.MM_w4[3] == 0xffff &&
cpu_state.MM_w4[4] == 0xffff && cpu_state.MM_w4[5] == 0xffff && cpu_state.MM_w4[6] == 0xffff && cpu_state.MM_w4[7] == 0xffff &&
!cpu_state.TOP && (*p == 0x0101010101010101ull))
cpu_state.ismmx = 1;
#else
if (cpu_state.MM_w4[0] == 0xffff && cpu_state.MM_w4[1] == 0xffff && cpu_state.MM_w4[2] == 0xffff && cpu_state.MM_w4[3] == 0xffff &&
cpu_state.MM_w4[4] == 0xffff && cpu_state.MM_w4[5] == 0xffff && cpu_state.MM_w4[6] == 0xffff && cpu_state.MM_w4[7] == 0xffff &&
!cpu_state.TOP && !(*p))
#endif
cpu_state.ismmx = 1;
CLOCK_CYCLES((cr0 & 1) ? 34 : 44);
return cpu_state.abrt;
@@ -308,7 +322,11 @@ static int FSAVE()
codegen_set_rounding_mode(X87_ROUNDING_NEAREST);
cpu_state.npxs = 0;
p = (uint64_t *)cpu_state.tag;
#ifdef USE_NEW_DYNAREC
*p = 0;
#else
*p = 0x0303030303030303ll;
#endif
cpu_state.TOP = 0;
cpu_state.ismmx = 0;
@@ -398,7 +416,7 @@ static int opFCHS(uint32_t fetchdat)
FP_ENTER();
cpu_state.pc++;
ST(0) = -ST(0);
cpu_state.tag[cpu_state.TOP&7] = TAG_VALID;
FP_TAG_VALID;
CLOCK_CYCLES(6);
return 0;
}
@@ -408,7 +426,7 @@ static int opFABS(uint32_t fetchdat)
FP_ENTER();
cpu_state.pc++;
ST(0) = fabs(ST(0));
cpu_state.tag[cpu_state.TOP&7] = TAG_VALID;
FP_TAG_VALID;
CLOCK_CYCLES(3);
return 0;
}
@@ -429,7 +447,11 @@ static int opFXAM(uint32_t fetchdat)
FP_ENTER();
cpu_state.pc++;
cpu_state.npxs &= ~(C0|C1|C2|C3);
#ifdef USE_NEW_DYNAREC
if (cpu_state.tag[cpu_state.TOP&7] == TAG_EMPTY) cpu_state.npxs |= (C0|C3);
#else
if (cpu_state.tag[cpu_state.TOP&7] == 3) cpu_state.npxs |= (C0|C3);
#endif
else if (ST(0) == 0.0) cpu_state.npxs |= C3;
else cpu_state.npxs |= C2;
if (ST(0) < 0.0) cpu_state.npxs |= C1;
@@ -496,7 +518,7 @@ static int opFLDZ(uint32_t fetchdat)
FP_ENTER();
cpu_state.pc++;
x87_push(0.0);
cpu_state.tag[cpu_state.TOP&7] = TAG_VALID;
FP_TAG_VALID;
CLOCK_CYCLES(4);
return 0;
}
@@ -506,7 +528,7 @@ static int opF2XM1(uint32_t fetchdat)
FP_ENTER();
cpu_state.pc++;
ST(0) = pow(2.0, ST(0)) - 1.0;
cpu_state.tag[cpu_state.TOP&7] = TAG_VALID;
FP_TAG_VALID;
CLOCK_CYCLES(200);
return 0;
}
@@ -516,7 +538,7 @@ static int opFYL2X(uint32_t fetchdat)
FP_ENTER();
cpu_state.pc++;
ST(1) = ST(1) * (log(ST(0)) / log(2.0));
cpu_state.tag[(cpu_state.TOP + 1) & 7] = TAG_VALID;
FP_TAG_VALID_N;
x87_pop();
CLOCK_CYCLES(250);
return 0;
@@ -527,7 +549,7 @@ static int opFYL2XP1(uint32_t fetchdat)
FP_ENTER();
cpu_state.pc++;
ST(1) = ST(1) * (log1p(ST(0)) / log(2.0));
cpu_state.tag[(cpu_state.TOP + 1) & 7] = TAG_VALID;
FP_TAG_VALID_N;
x87_pop();
CLOCK_CYCLES(250);
return 0;
@@ -538,7 +560,7 @@ static int opFPTAN(uint32_t fetchdat)
FP_ENTER();
cpu_state.pc++;
ST(0) = tan(ST(0));
cpu_state.tag[cpu_state.TOP&7] = TAG_VALID;
FP_TAG_VALID;
x87_push(1.0);
cpu_state.npxs &= ~C2;
CLOCK_CYCLES(235);
@@ -550,7 +572,7 @@ static int opFPATAN(uint32_t fetchdat)
FP_ENTER();
cpu_state.pc++;
ST(1) = atan2(ST(1), ST(0));
cpu_state.tag[(cpu_state.TOP + 1) & 7] = TAG_VALID;
FP_TAG_VALID_N;
x87_pop();
CLOCK_CYCLES(250);
return 0;
@@ -589,7 +611,7 @@ static int opFPREM(uint32_t fetchdat)
cpu_state.pc++;
temp64 = (int64_t)(ST(0) / ST(1));
ST(0) = ST(0) - (ST(1) * (double)temp64);
cpu_state.tag[cpu_state.TOP&7] = TAG_VALID;
FP_TAG_VALID;
cpu_state.npxs &= ~(C0|C1|C2|C3);
if (temp64 & 4) cpu_state.npxs|=C0;
if (temp64 & 2) cpu_state.npxs|=C3;
@@ -605,7 +627,7 @@ static int opFPREM1(uint32_t fetchdat)
cpu_state.pc++;
temp64 = (int64_t)(ST(0) / ST(1));
ST(0) = ST(0) - (ST(1) * (double)temp64);
cpu_state.tag[cpu_state.TOP&7] = TAG_VALID;
FP_TAG_VALID;
cpu_state.npxs &= ~(C0|C1|C2|C3);
if (temp64 & 4) cpu_state.npxs|=C0;
if (temp64 & 2) cpu_state.npxs|=C3;
@@ -620,7 +642,7 @@ static int opFSQRT(uint32_t fetchdat)
FP_ENTER();
cpu_state.pc++;
ST(0) = sqrt(ST(0));
cpu_state.tag[cpu_state.TOP&7] = TAG_VALID;
FP_TAG_VALID;
CLOCK_CYCLES(83);
return 0;
}
@@ -633,7 +655,7 @@ static int opFSINCOS(uint32_t fetchdat)
cpu_state.pc++;
td = ST(0);
ST(0) = sin(td);
cpu_state.tag[cpu_state.TOP&7] = TAG_VALID;
FP_TAG_VALID;
x87_push(cos(td));
cpu_state.npxs &= ~C2;
CLOCK_CYCLES(330);
@@ -646,7 +668,7 @@ static int opFRNDINT(uint32_t fetchdat)
FP_ENTER();
cpu_state.pc++;
ST(0) = (double)x87_fround(ST(0));
cpu_state.tag[cpu_state.TOP&7] = TAG_VALID;
FP_TAG_VALID;
CLOCK_CYCLES(21);
return 0;
}
@@ -658,7 +680,7 @@ static int opFSCALE(uint32_t fetchdat)
cpu_state.pc++;
temp64 = (int64_t)ST(1);
ST(0) = ST(0) * pow(2.0, (double)temp64);
cpu_state.tag[cpu_state.TOP&7] = TAG_VALID;
FP_TAG_VALID;
CLOCK_CYCLES(30);
return 0;
}
@@ -669,7 +691,7 @@ static int opFSIN(uint32_t fetchdat)
FP_ENTER();
cpu_state.pc++;
ST(0) = sin(ST(0));
cpu_state.tag[cpu_state.TOP&7] = TAG_VALID;
FP_TAG_VALID;
cpu_state.npxs &= ~C2;
CLOCK_CYCLES(300);
return 0;
@@ -680,7 +702,7 @@ static int opFCOS(uint32_t fetchdat)
FP_ENTER();
cpu_state.pc++;
ST(0) = cos(ST(0));
cpu_state.tag[cpu_state.TOP&7] = TAG_VALID;
FP_TAG_VALID;
cpu_state.npxs &= ~C2;
CLOCK_CYCLES(300);
return 0;