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Fixed status of C2 x87 flags after sin, cos, sincos and tan function ([DYNAREC] too) (thank @icecream95 for the debugging on box86)

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This commit is contained in:
ptitSeb 2021-07-21 13:34:06 +02:00
parent 36e5fb50ec
commit 607bb28677
2 changed files with 7 additions and 0 deletions
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4
src/dynarec/dynarec_arm64_functions.c
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@ -52,6 +52,7 @@ void arm_fyl2x(x64emu_t* emu)
void arm_ftan(x64emu_t* emu)
{
ST0.d = tan(ST0.d);
emu->sw.f.F87_C2 = 0;
}
void arm_fpatan(x64emu_t* emu)
{
@ -80,6 +81,7 @@ void arm_fyl2xp1(x64emu_t* emu)
void arm_fsincos(x64emu_t* emu)
{
sincos(ST1.d, &ST1.d, &ST0.d);
emu->sw.f.F87_C2 = 0;
}
void arm_frndint(x64emu_t* emu)
{
@ -93,10 +95,12 @@ void arm_fscale(x64emu_t* emu)
void arm_fsin(x64emu_t* emu)
{
ST0.d = sin(ST0.d);
emu->sw.f.F87_C2 = 0;
}
void arm_fcos(x64emu_t* emu)
{
ST0.d = cos(ST0.d);
emu->sw.f.F87_C2 = 0;
}
void arm_fbld(x64emu_t* emu, uint8_t* ed)

3
src/emu/x64rund9.c
View File

@ -185,6 +185,7 @@ int RunD9(x64emu_t *emu, rex_t rex)
case 0xFB: /* FSINCOS */
fpu_do_push(emu);
sincos(ST1.d, &ST1.d, &ST0.d);
emu->sw.f.F87_C2 = 0;
break;
case 0xFC: /* FRNDINT */
ST0.d = fpu_round(emu, ST0.d);
@ -196,9 +197,11 @@ int RunD9(x64emu_t *emu, rex_t rex)
break;
case 0xFE: /* FSIN */
ST0.d = sin(ST0.d);
emu->sw.f.F87_C2 = 0;
break;
case 0xFF: /* FCOS */
ST0.d = cos(ST0.d);
emu->sw.f.F87_C2 = 0;
break;