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| author | xctan <xctan@cirno.icu> | 2023-03-20 23:54:47 +0800 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2023-03-20 16:54:47 +0100 |
| commit | f4739ae147c1d8c34c3a9f21174e6ff0769197d6 (patch) | |
| tree | ef0c67283685c99ecc9be850592ade06f867cec0 /src | |
| parent | 518125b83690d72fde75187079413b4a131e194c (diff) | |
| download | box64-f4739ae147c1d8c34c3a9f21174e6ff0769197d6.tar.gz box64-f4739ae147c1d8c34c3a9f21174e6ff0769197d6.zip | |
[RV64_DYNAREC] Added 6B IMUL opcode (#603)
Diffstat (limited to 'src')
| -rw-r--r-- | src/dynarec/rv64/dynarec_rv64_00.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/src/dynarec/rv64/dynarec_rv64_00.c b/src/dynarec/rv64/dynarec_rv64_00.c index 44c5d34b..9250455d 100644 --- a/src/dynarec/rv64/dynarec_rv64_00.c +++ b/src/dynarec/rv64/dynarec_rv64_00.c @@ -299,6 +299,40 @@ uintptr_t dynarec64_00(dynarec_rv64_t* dyn, uintptr_t addr, uintptr_t ip, int ni } break; + case 0x6B: + INST_NAME("IMUL Gd, Ed, Id"); + SETFLAGS(X_ALL, SF_PENDING); + nextop = F8; + GETGD; + GETED(4); + i64 = F8S; + MOV64xw(x4, i64); + if(rex.w) { + // 64bits imul + UFLAG_IF { + MULH(x3, ed, x4); + MULW(gd, ed, x4); + UFLAG_OP1(x3); + UFLAG_RES(gd); + UFLAG_DF(x3, d_imul64); + } else { + MULxw(gd, ed, x4); + } + } else { + // 32bits imul + UFLAG_IF { + MUL(gd, ed, x4); + UFLAG_RES(gd); + SRLI(x3, gd, 32); + UFLAG_OP1(x3); + UFLAG_DF(x3, d_imul32); + } else { + MULxw(gd, ed, x4); + } + ZEROUP(gd); + } + break; + #define GO(GETFLAGS, NO, YES, F) \ READFLAGS(F); \ i8 = F8S; \ |