8000 [LA64_DYNAREC] Added more opcodes by ksco · Pull Request #2214 · ptitSeb/box64 · GitHub
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[LA64_DYNAREC] Added more opcodes #2214

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Merged
merged 1 commit into from
Dec 26, 2024
Merged

[LA64_DYNAREC] Added more opcodes #2214

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66 changes: 66 additions & 0 deletions src/dynarec/la64/dynarec_la64_66.c
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Original file line number Diff line number Diff line change
Expand Up @@ -625,6 +625,65 @@ uintptr_t dynarec64_66(dynarec_la64_t* dyn, uintptr_t addr, uintptr_t ip, int ni
ADD_D(xRDI, xRDI, x3);
}
break;
case 0xAF:
switch (rep) {
case 1:
case 2:
if (rep == 1) {
INST_NAME("REPNZ SCASW");
} else {
INST_NAME("REPZ SCASW");
}
MAYSETFLAGS();
SETFLAGS(X_ALL, SF_SET_PENDING, NAT_FLAGS_FUSION);
CBZ_NEXT(xRCX);
GETDIR(x3, x1, rex.w ? 8 : 2);
if (rex.w) {
MARK;
LD_D(x2, xRDI, 0);
ADD_D(xRDI, xRDI, x3);
ADDI_D(xRCX, xRCX, -1);
if (rep == 1) {
BEQ_MARK3(xRAX, x2);
} else {
BNE_MARK3(xRAX, x2);
}
BNE_MARK(xRCX, xZR);
MARK3;
emit_cmp32(dyn, ninst, rex, xRAX, x2, x3, x4, x5, x6);
} else {
BSTRPICK_D(x1, xRAX, 15, 0);
MARK;
LD_HU(x2, xRDI, 0);
ADD_D(xRDI, xRDI, x3);
ADDI_D(xRCX, xRCX, -1);
if (rep == 1) {
BEQ_MARK3(x1, x2);
} else {
BNE_MARK3(x1, x2);
}
BNE_MARK(xRCX, xZR);
MARK3;
emit_cmp16(dyn, ninst, x1, x2, x3, x4, x5, x6);
}
break;
default:
INST_NAME("SCASW");
SETFLAGS(X_ALL, SF_SET_PENDING, NAT_FLAGS_FUSION);
GETDIR(x3, x1, rex.w ? 8 : 2);
if (rex.w) {
LD_D(x2, xRDI, 0);
ADD_D(xRDI, xRDI, x3);
emit_cmp32(dyn, ninst, rex, xRAX, x2, x3, x4, x5, x6);
} else {
BSTRPICK_D(x1, xRAX, 15, 0);
LD_HU(x2, xRDI, 0);
ADD_D(xRDI, xRDI, x3);
emit_cmp16(dyn, ninst, x1, x2, x3, x4, x5, x6);
}
break;
}
break;
case 0xB8:
case 0xB9:
case 0xBA:
Expand Down Expand Up @@ -790,6 +849,13 @@ uintptr_t dynarec64_66(dynarec_la64_t* dyn, uintptr_t addr, uintptr_t ip, int ni
MOV32w(x2, u16);
emit_test16(dyn, ninst, x1, x2, x3, x4, x5);
break;
case 2:
INST_NAME("NOT Ew");
GETEW(x1, 0);
MOV32w(x5, 0xffff);
XOR(ed, ed, x5); // No flags affected
EWBACK;
break;
case 3:
INST_NAME("NEG Ew");
SETFLAGS(X_ALL, SF_SET_PENDING, NAT_FLAGS_FUSION);
Expand Down
34 changes: 34 additions & 0 deletions src/dynarec/la64/dynarec_la64_660f.c
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Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,7 @@
#include "dynarec_la64_private.h"
#include "dynarec_la64_functions.h"
#include "../dynarec_helper.h"
#include "emu/x64compstrings.h"

uintptr_t dynarec64_660F(dynarec_la64_t* dyn, uintptr_t addr, uintptr_t ip, int ninst, rex_t rex, int* ok, int* need_epilog)
{
Expand Down Expand Up @@ -728,6 +729,39 @@ uintptr_t dynarec64_660F(dynarec_la64_t* dyn, uintptr_t addr, uintptr_t ip, int
MOV32w(x4, u8);
CALL(native_pclmul, -1);
break;
case 0x63:
INST_NAME("PCMPISTRI Gx, Ex, Ib");
SETFLAGS(X_ALL, SF_SET_DF, NAT_FLAGS_NOFUSION);
nextop = F8;
GETG;
if (gd > 7) sse_reflect_reg(dyn, ninst, gd);
ADDI_D(x2, xEmu, offsetof(x64emu_t, xmm[gd]));
if (MODREG) {
ed = (nextop & 7) + (rex.b << 3);
if (ed > 7) sse_reflect_reg(dyn, ninst, ed);
ADDI_D(x1, xEmu, offsetof(x64emu_t, xmm[ed]));
} else {
addr = geted(dyn, addr, ninst, nextop, &ed, x1, x2, &fixedaddress, rex, NULL, 0, 1);
if (ed != x1) MV(x1, ed);
}
u8 = F8;
MOV32w(x3, u8);
CALL(sse42_compare_string_implicit_len, x1);
BNEZ_MARK(x1);
MOV32w(xRCX, (u8 & 1) ? 8 : 16);
B_NEXT_nocond;
MARK;
if (u8 & 0b1000000) {
CLZ_W(xRCX, x1);
ADDI_D(x2, xZR, 31);
SUB_D(xRCX, x2, xRCX);
} else {
if (rex.w)
CTZ_D(xRCX, x1);
else
CTZ_W(xRCX, x1);
}
break;
case 0xDF:
INST_NAME("AESKEYGENASSIST Gx, Ex, Ib"); // AES-NI
nextop = F8;
Expand Down
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