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| author | ptitSeb <sebastien.chev@gmail.com> | 2024-04-26 15:41:11 +0200 |
|---|---|---|
| committer | ptitSeb <sebastien.chev@gmail.com> | 2024-04-26 15:41:11 +0200 |
| commit | 1222fee0d06ec955958587da767127fde1c31ab4 (patch) | |
| tree | 1a2b7c88d8988d97ed1cbd3b93eee820e9dce57e /src | |
| parent | b184a184c456dcc32d016f16c335ac543a9e8273 (diff) | |
| download | box64-1222fee0d06ec955958587da767127fde1c31ab4.tar.gz box64-1222fee0d06ec955958587da767127fde1c31ab4.zip | |
[ARM64_DYNAREC] Added 0F B1 opcode
Diffstat (limited to 'src')
| -rw-r--r-- | src/dynarec/arm64/dynarec_arm64_0f.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/dynarec/arm64/dynarec_arm64_0f.c b/src/dynarec/arm64/dynarec_arm64_0f.c index 35caadcb..9ae17ea5 100644 --- a/src/dynarec/arm64/dynarec_arm64_0f.c +++ b/src/dynarec/arm64/dynarec_arm64_0f.c @@ -1886,6 +1886,36 @@ uintptr_t dynarec64_0F(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int nin } break; + case 0xB1: + // rep has no impact on this opcode + INST_NAME("CMPXCHG Ed, Gd"); + SETFLAGS(X_ALL, SF_SET_PENDING); + nextop = F8; + GETGD; + if(MODREG) { + ed = xRAX+(nextop&7)+(rex.b<<3); + wback = 0; + UFLAG_IF {emit_cmp32(dyn, ninst, rex, xRAX, ed, x3, x4, x5);} + MOVxw_REG(x1, ed); // save value + CMPSxw_REG(xRAX, x1); + B_MARK2(cNE); + MOVxw_REG(ed, gd); + MARK2; + MOVxw_REG(xRAX, x1); + B_NEXT_nocond; + } else { + addr = geted(dyn, addr, ninst, nextop, &wback, x2, &fixedaddress, &unscaled, 0xfff<<(2+rex.w), (1<<(2+rex.w))-1, rex, NULL, 0, 0); + LDxw(x1, wback, fixedaddress); + CMPSxw_REG(xRAX, x1); + B_MARK(cNE); + // EAX == Ed + STxw(gd, wback, fixedaddress); + MARK; + UFLAG_IF {emit_cmp32(dyn, ninst, rex, xRAX, x1, x3, x4, x5);} + MOVxw_REG(xRAX, x1); // upper par of RAX will be erase on 32bits, no mater what + } + break; + case 0xB3: INST_NAME("BTR Ed, Gd"); SETFLAGS(X_CF, SF_SUBSET); |