#include static int opPREFETCH_a16(uint32_t fetchdat) { fetch_ea_16(fetchdat); ILLEGAL_ON(cpu_mod == 3); CLOCK_CYCLES(1); return 0; } static int opPREFETCH_a32(uint32_t fetchdat) { fetch_ea_32(fetchdat); ILLEGAL_ON(cpu_mod == 3); CLOCK_CYCLES(1); return 0; } static int opFEMMS(uint32_t fetchdat) { ILLEGAL_ON(!cpu_has_feature(CPU_FEATURE_MMX)); if (cr0 & 0xc) { x86_int(7); return 1; } x87_emms(); CLOCK_CYCLES(1); return 0; } static int opPAVGUSB(uint32_t fetchdat) { MMX_REG src; MMX_GETSRC(); cpu_state.MM[cpu_reg].b[0] = (cpu_state.MM[cpu_reg].b[0] + src.b[0] + 1) >> 1; cpu_state.MM[cpu_reg].b[1] = (cpu_state.MM[cpu_reg].b[1] + src.b[1] + 1) >> 1; cpu_state.MM[cpu_reg].b[2] = (cpu_state.MM[cpu_reg].b[2] + src.b[2] + 1) >> 1; cpu_state.MM[cpu_reg].b[3] = (cpu_state.MM[cpu_reg].b[3] + src.b[3] + 1) >> 1; cpu_state.MM[cpu_reg].b[4] = (cpu_state.MM[cpu_reg].b[4] + src.b[4] + 1) >> 1; cpu_state.MM[cpu_reg].b[5] = (cpu_state.MM[cpu_reg].b[5] + src.b[5] + 1) >> 1; cpu_state.MM[cpu_reg].b[6] = (cpu_state.MM[cpu_reg].b[6] + src.b[6] + 1) >> 1; cpu_state.MM[cpu_reg].b[7] = (cpu_state.MM[cpu_reg].b[7] + src.b[7] + 1) >> 1; return 0; } static int opPF2ID(uint32_t fetchdat) { MMX_REG src; MMX_GETSRC(); cpu_state.MM[cpu_reg].sl[0] = (int32_t) src.f[0]; cpu_state.MM[cpu_reg].sl[1] = (int32_t) src.f[1]; return 0; } static int opPF2IW(uint32_t fetchdat) { MMX_REG src; MMX_GETSRC(); cpu_state.MM[cpu_reg].sw[0] = (int32_t) src.f[0]; cpu_state.MM[cpu_reg].sw[1] = (int32_t) src.f[1]; return 0; } static int opPFACC(uint32_t fetchdat) { MMX_REG src; float tempf; MMX_GETSRC(); tempf = cpu_state.MM[cpu_reg].f[0] + cpu_state.MM[cpu_reg].f[1]; cpu_state.MM[cpu_reg].f[1] = src.f[0] + src.f[1]; cpu_state.MM[cpu_reg].f[0] = tempf; return 0; } static int opPFNACC(uint32_t fetchdat) { MMX_REG src; float tempf; MMX_GETSRC(); tempf = cpu_state.MM[cpu_reg].f[0] - cpu_state.MM[cpu_reg].f[1]; cpu_state.MM[cpu_reg].f[1] = src.f[0] - src.f[1]; cpu_state.MM[cpu_reg].f[0] = tempf; return 0; } static int opPFPNACC(uint32_t fetchdat) { MMX_REG src; float tempf; MMX_GETSRC(); tempf = cpu_state.MM[cpu_reg].f[0] - cpu_state.MM[cpu_reg].f[1]; cpu_state.MM[cpu_reg].f[1] = src.f[0] + src.f[1]; cpu_state.MM[cpu_reg].f[0] = tempf; return 0; } static int opPSWAPD(uint32_t fetchdat) { MMX_REG src; float tempf, tempf2; MMX_GETSRC(); /* We have to do this in case source and destination overlap. */ tempf = src.f[0]; tempf2 = src.f[1]; cpu_state.MM[cpu_reg].f[1] = tempf; cpu_state.MM[cpu_reg].f[0] = tempf2; return 0; } static int opPFADD(uint32_t fetchdat) { MMX_REG src; MMX_GETSRC(); cpu_state.MM[cpu_reg].f[0] += src.f[0]; cpu_state.MM[cpu_reg].f[1] += src.f[1]; return 0; } static int opPFCMPEQ(uint32_t fetchdat) { MMX_REG src; MMX_GETSRC(); cpu_state.MM[cpu_reg].l[0] = (cpu_state.MM[cpu_reg].f[0] == src.f[0]) ? 0xffffffff : 0; cpu_state.MM[cpu_reg].l[1] = (cpu_state.MM[cpu_reg].f[1] == src.f[1]) ? 0xffffffff : 0; return 0; } static int opPFCMPGE(uint32_t fetchdat) { MMX_REG src; MMX_GETSRC(); cpu_state.MM[cpu_reg].l[0] = (cpu_state.MM[cpu_reg].f[0] >= src.f[0]) ? 0xffffffff : 0; cpu_state.MM[cpu_reg].l[1] = (cpu_state.MM[cpu_reg].f[1] >= src.f[1]) ? 0xffffffff : 0; return 0; } static int opPFCMPGT(uint32_t fetchdat) { MMX_REG src; MMX_GETSRC(); cpu_state.MM[cpu_reg].l[0] = (cpu_state.MM[cpu_reg].f[0] > src.f[0]) ? 0xffffffff : 0; cpu_state.MM[cpu_reg].l[1] = (cpu_state.MM[cpu_reg].f[1] > src.f[1]) ? 0xffffffff : 0; return 0; } static int opPFMAX(uint32_t fetchdat) { MMX_REG src; MMX_GETSRC(); if (src.f[0] > cpu_state.MM[cpu_reg].f[0]) cpu_state.MM[cpu_reg].f[0] = src.f[0]; if (src.f[1] > cpu_state.MM[cpu_reg].f[1]) cpu_state.MM[cpu_reg].f[1] = src.f[1]; return 0; } static int opPFMIN(uint32_t fetchdat) { MMX_REG src; MMX_GETSRC(); if (src.f[0] < cpu_state.MM[cpu_reg].f[0]) cpu_state.MM[cpu_reg].f[0] = src.f[0]; if (src.f[1] < cpu_state.MM[cpu_reg].f[1]) cpu_state.MM[cpu_reg].f[1] = src.f[1]; return 0; } static int opPFMUL(uint32_t fetchdat) { MMX_REG src; MMX_GETSRC(); cpu_state.MM[cpu_reg].f[0] *= src.f[0]; cpu_state.MM[cpu_reg].f[1] *= src.f[1]; return 0; } static int opPFRCP(uint32_t fetchdat) { union { uint32_t i; float f; } src; if (cpu_mod == 3) { src.f = cpu_state.MM[cpu_rm].f[0]; CLOCK_CYCLES(1); } else { SEG_CHECK_READ(cpu_state.ea_seg); src.i = readmeml(easeg, cpu_state.eaaddr); if (cpu_state.abrt) return 1; CLOCK_CYCLES(2); } cpu_state.MM[cpu_reg].f[0] = 1.0 / src.f; cpu_state.MM[cpu_reg].f[1] = cpu_state.MM[cpu_reg].f[0]; return 0; } /*Since opPFRCP() calculates a full precision reciprocal, treat the followup iterations as MOVs*/ static int opPFRCPIT1(uint32_t fetchdat) { MMX_REG src; MMX_GETSRC(); cpu_state.MM[cpu_reg].f[0] = src.f[0]; cpu_state.MM[cpu_reg].f[1] = src.f[1]; return 0; } static int opPFRCPIT2(uint32_t fetchdat) { MMX_REG src; MMX_GETSRC(); cpu_state.MM[cpu_reg].f[0] = src.f[0]; cpu_state.MM[cpu_reg].f[1] = src.f[1]; return 0; } static int opPFRSQRT(uint32_t fetchdat) { union { uint32_t i; float f; } src; if (cpu_mod == 3) { src.f = cpu_state.MM[cpu_rm].f[0]; CLOCK_CYCLES(1); } else { SEG_CHECK_READ(cpu_state.ea_seg); src.i = readmeml(easeg, cpu_state.eaaddr); if (cpu_state.abrt) return 1; CLOCK_CYCLES(2); } cpu_state.MM[cpu_reg].f[0] = 1.0 / sqrt(src.f); cpu_state.MM[cpu_reg].f[1] = cpu_state.MM[cpu_reg].f[0]; return 0; } /*Since opPFRSQRT() calculates a full precision inverse square root, treat the followup iteration as a NOP*/ static int opPFRSQIT1(uint32_t fetchdat) { MMX_REG src; MMX_GETSRC(); UN_USED(src); return 0; } static int opPFSUB(uint32_t fetchdat) { MMX_REG src; MMX_GETSRC(); cpu_state.MM[cpu_reg].f[0] -= src.f[0]; cpu_state.MM[cpu_reg].f[1] -= src.f[1]; return 0; } static int opPFSUBR(uint32_t fetchdat) { MMX_REG src; MMX_GETSRC(); cpu_state.MM[cpu_reg].f[0] = src.f[0] - cpu_state.MM[cpu_reg].f[0]; cpu_state.MM[cpu_reg].f[1] = src.f[1] - cpu_state.MM[cpu_reg].f[1]; return 0; } static int opPI2FD(uint32_t fetchdat) { MMX_REG src; MMX_GETSRC(); cpu_state.MM[cpu_reg].f[0] = (float) src.sl[0]; cpu_state.MM[cpu_reg].f[1] = (float) src.sl[1]; return 0; } static int opPI2FW(uint32_t fetchdat) { MMX_REG src; MMX_GETSRC(); cpu_state.MM[cpu_reg].f[0] = (float) src.sw[0]; cpu_state.MM[cpu_reg].f[1] = (float) src.sw[1]; return 0; } static int opPMULHRW(uint32_t fetchdat) { if (cpu_mod == 3) { cpu_state.MM[cpu_reg].w[0] = (((int32_t) cpu_state.MM[cpu_reg].sw[0] * (int32_t) cpu_state.MM[cpu_rm].sw[0]) + 0x8000) >> 16; cpu_state.MM[cpu_reg].w[1] = (((int32_t) cpu_state.MM[cpu_reg].sw[1] * (int32_t) cpu_state.MM[cpu_rm].sw[1]) + 0x8000) >> 16; cpu_state.MM[cpu_reg].w[2] = (((int32_t) cpu_state.MM[cpu_reg].sw[2] * (int32_t) cpu_state.MM[cpu_rm].sw[2]) + 0x8000) >> 16; cpu_state.MM[cpu_reg].w[3] = (((int32_t) cpu_state.MM[cpu_reg].sw[3] * (int32_t) cpu_state.MM[cpu_rm].sw[3]) + 0x8000) >> 16; CLOCK_CYCLES(1); } else { MMX_REG src; SEG_CHECK_READ(cpu_state.ea_seg); src.l[0] = readmeml(easeg, cpu_state.eaaddr); src.l[1] = readmeml(easeg, cpu_state.eaaddr + 4); if (cpu_state.abrt) return 0; cpu_state.MM[cpu_reg].w[0] = ((int32_t) (cpu_state.MM[cpu_reg].sw[0] * (int32_t) src.sw[0]) + 0x8000) >> 16; cpu_state.MM[cpu_reg].w[1] = ((int32_t) (cpu_state.MM[cpu_reg].sw[1] * (int32_t) src.sw[1]) + 0x8000) >> 16; cpu_state.MM[cpu_reg].w[2] = ((int32_t) (cpu_state.MM[cpu_reg].sw[2] * (int32_t) src.sw[2]) + 0x8000) >> 16; cpu_state.MM[cpu_reg].w[3] = ((int32_t) (cpu_state.MM[cpu_reg].sw[3] * (int32_t) src.sw[3]) + 0x8000) >> 16; CLOCK_CYCLES(2); } return 0; } const OpFn OP_TABLE(3DNOW)[256] = { // clang-format off /* 00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f*/ /*00*/ ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, opPI2FD, ILLEGAL, ILLEGAL, /*10*/ ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, opPF2ID, ILLEGAL, ILLEGAL, /*20*/ ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, /*30*/ ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, /*40*/ ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, /*50*/ ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, /*60*/ ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, /*70*/ ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, /*80*/ ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, /*90*/ opPFCMPGE, ILLEGAL, ILLEGAL, ILLEGAL, opPFMIN, ILLEGAL, opPFRCP, opPFRSQRT, ILLEGAL, ILLEGAL, opPFSUB, ILLEGAL, ILLEGAL, ILLEGAL, opPFADD, ILLEGAL, /*a0*/ opPFCMPGT, ILLEGAL, ILLEGAL, ILLEGAL, opPFMAX, ILLEGAL, opPFRCPIT1, opPFRSQIT1, ILLEGAL, ILLEGAL, opPFSUBR, ILLEGAL, ILLEGAL, ILLEGAL, opPFACC, ILLEGAL, /*b0*/ opPFCMPEQ, ILLEGAL, ILLEGAL, ILLEGAL, opPFMUL, ILLEGAL, opPFRCPIT2, opPMULHRW, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, opPAVGUSB, /*c0*/ ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, /*d0*/ ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, /*e0*/ ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, /*f0*/ ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, // clang-format on }; const OpFn OP_TABLE(3DNOWE)[256] = { // clang-format off /* 00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f*/ /*00*/ ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, opPI2FW, opPI2FD, ILLEGAL, ILLEGAL, /*10*/ ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, opPF2IW, opPF2ID, ILLEGAL, ILLEGAL, /*20*/ ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, /*30*/ ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, /*40*/ ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, /*50*/ ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, /*60*/ ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, /*70*/ ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, /*80*/ ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, opPFNACC, ILLEGAL, ILLEGAL, ILLEGAL, opPFPNACC, ILLEGAL, /*90*/ opPFCMPGE, ILLEGAL, ILLEGAL, ILLEGAL, opPFMIN, ILLEGAL, opPFRCP, opPFRSQRT, ILLEGAL, ILLEGAL, opPFSUB, ILLEGAL, ILLEGAL, ILLEGAL, opPFADD, ILLEGAL, /*a0*/ opPFCMPGT, ILLEGAL, ILLEGAL, ILLEGAL, opPFMAX, ILLEGAL, opPFRCPIT1, opPFRSQIT1, ILLEGAL, ILLEGAL, opPFSUBR, ILLEGAL, ILLEGAL, ILLEGAL, opPFACC, ILLEGAL, /*b0*/ opPFCMPEQ, ILLEGAL, ILLEGAL, ILLEGAL, opPFMUL, ILLEGAL, opPFRCPIT2, opPMULHRW, ILLEGAL, ILLEGAL, ILLEGAL, opPSWAPD, ILLEGAL, ILLEGAL, ILLEGAL, opPAVGUSB, /*c0*/ ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, /*d0*/ ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, /*e0*/ ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, /*f0*/ ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, // clang-format on }; static int op3DNOW_a16(uint32_t fetchdat) { uint8_t opcode; MMX_ENTER(); fetch_ea_16(fetchdat); opcode = fastreadb(cs + cpu_state.pc); if (cpu_state.abrt) return 1; cpu_state.pc++; return x86_opcodes_3DNOW[opcode](0); } static int op3DNOW_a32(uint32_t fetchdat) { uint8_t opcode; MMX_ENTER(); fetch_ea_32(fetchdat); opcode = fastreadb(cs + cpu_state.pc); if (cpu_state.abrt) return 1; cpu_state.pc++; return x86_opcodes_3DNOW[opcode](0); }