diff options
Diffstat (limited to 'disassembler')
| -rw-r--r-- | disassembler/disassembler_mips.cc | 15 | ||||
| -rw-r--r-- | disassembler/disassembler_x86.cc | 16 |
2 files changed, 31 insertions, 0 deletions
diff --git a/disassembler/disassembler_mips.cc b/disassembler/disassembler_mips.cc index fc6c18b1df..eb57d339af 100644 --- a/disassembler/disassembler_mips.cc +++ b/disassembler/disassembler_mips.cc @@ -448,6 +448,7 @@ static const MipsInstruction gMipsInstructions[] = { { kMsaMask | (0x3ff << 16), kMsa | (0xbe << 16) | 0x19, "move.v", "km" }, { kMsaMask | (0xf << 22), kMsa | (0x1 << 22) | 0x19, "splati", "kX" }, { kMsaMask | (0xff << 18), kMsa | (0xc0 << 18) | 0x1e, "fill", "vkD" }, + { kMsaMask | (0x7 << 23), kMsa | (0x6 << 23) | 0x7, "ldi", "kx" }, { kMsaSpecialMask | (0xf << 2), kMsa | (0x8 << 2), "ld", "kw" }, { kMsaSpecialMask | (0xf << 2), kMsa | (0x9 << 2), "st", "kw" }, }; @@ -697,6 +698,20 @@ size_t DisassemblerMips::Dump(std::ostream& os, const uint8_t* instr_ptr) { } break; } + case 'x': // MSA i10. + { + int32_t df = (instruction >> 21) & 0x3; + int32_t i10 = (instruction >> 11) & 0x3ff; + i10 -= (i10 & 0x200) << 1; // Sign-extend i10. + switch (df) { + case 0: opcode += ".b"; break; + case 1: opcode += ".h"; break; + case 2: opcode += ".w"; break; + case 3: opcode += ".d"; break; + } + args << i10; + break; + } } if (*(args_fmt + 1)) { args << ", "; diff --git a/disassembler/disassembler_x86.cc b/disassembler/disassembler_x86.cc index 77ed3c6a22..f5c3ad20cc 100644 --- a/disassembler/disassembler_x86.cc +++ b/disassembler/disassembler_x86.cc @@ -1101,6 +1101,22 @@ DISASSEMBLER_ENTRY(cmp, opcode1 = opcode_tmp.c_str(); } break; + case 0xE0: + case 0xE3: + if (prefix[2] == 0x66) { + src_reg_file = dst_reg_file = SSE; + prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode + } else { + src_reg_file = dst_reg_file = MMX; + } + switch (*instr) { + case 0xE0: opcode1 = "pavgb"; break; + case 0xE3: opcode1 = "pavgw"; break; + } + prefix[2] = 0; + has_modrm = true; + load = true; + break; case 0xEB: if (prefix[2] == 0x66) { src_reg_file = dst_reg_file = SSE; |