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| author | ptitSeb <sebastien.chev@gmail.com> | 2021-03-23 09:43:36 +0100 |
|---|---|---|
| committer | ptitSeb <sebastien.chev@gmail.com> | 2021-03-23 09:43:36 +0100 |
| commit | 7f750e7ac1bf23bd91073691cae31e1191312d82 (patch) | |
| tree | 2f6349ce4bde0b4e35959e946900c1f849e5fc50 /src | |
| parent | b9779c21847ba69df0e837dabf6bc9e965b533db (diff) | |
| download | box64-7f750e7ac1bf23bd91073691cae31e1191312d82.tar.gz box64-7f750e7ac1bf23bd91073691cae31e1191312d82.zip | |
[DYNAREC] Added (F2/F3) AA/AB opcodes
Diffstat (limited to 'src')
| -rwxr-xr-x | src/dynarec/arm64_emitter.h | 1 | ||||
| -rwxr-xr-x | src/dynarec/dynarec_arm64_00.c | 44 |
2 files changed, 45 insertions, 0 deletions
diff --git a/src/dynarec/arm64_emitter.h b/src/dynarec/arm64_emitter.h index 1d2add7b..102a381a 100755 --- a/src/dynarec/arm64_emitter.h +++ b/src/dynarec/arm64_emitter.h @@ -242,6 +242,7 @@ #define STRw_S9_postindex(Rt, Rn, imm9) EMIT(STR_gen(0b10, 0b00, (imm9)&0x1ff, 0b01, Rn, Rt)) #define STRw_S9_preindex(Rt, Rn, imm9) EMIT(STR_gen(0b10, 0b00, (imm9)&0x1ff, 0b11, Rn, Rt)) #define STRxw_S9_postindex(Rt, Rn, imm9) EMIT(STR_gen(rex.w?0b11:0b10, 0b00, (imm9)&0x1ff, 0b01, Rn, Rt)) +#define STRB_S9_postindex(Rt, Rn, imm9) EMIT(STR_gen(0b00, 0b00, (imm9)&0x1ff, 0b01, Rn, Rt)) #define ST_gen(size, op1, imm12, Rn, Rt) ((size)<<30 | 0b111<<27 | (op1)<<24 | 0b00<<22 | (imm12)<<10 | (Rn)<<5 | (Rt)) #define STRx_U12(Rt, Rn, imm12) EMIT(ST_gen(0b11, 0b01, ((uint32_t)(imm12>>3))&0xfff, Rn, Rt)) diff --git a/src/dynarec/dynarec_arm64_00.c b/src/dynarec/dynarec_arm64_00.c index 72bb24cf..9ff0ce45 100755 --- a/src/dynarec/dynarec_arm64_00.c +++ b/src/dynarec/dynarec_arm64_00.c @@ -1046,6 +1046,50 @@ uintptr_t dynarec64_00(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int nin MOV64xw(x2, i64); emit_test32(dyn, ninst, rex, xRAX, x2, x3, x4); break; + case 0xAA: + if(rep) { + INST_NAME("REP STOSB"); + CBZx_NEXT(xRCX); + TBNZ_MARK2(xFlags, F_DF); + MARK; // Part with DF==0 + STRB_S9_postindex(xRAX, xRDI, 1); + SUBx_U12(xRCX, xRCX, 1); + CBNZx_MARK(xRCX); + B_NEXT_nocond; + MARK2; // Part with DF==1 + STRB_S9_postindex(xRAX, xRDI, -1); + SUBx_U12(xRCX, xRCX, 1); + CBNZx_MARK2(xRCX); + // done + } else { + INST_NAME("STOSB"); + GETDIR(x3, 1); + STRB_U12(xRAX, xRDI, 0); + ADDx_REG(xRDI, xRDI, x3); + } + break; + case 0xAB: + if(rep) { + INST_NAME("REP STOSD"); + CBZx_NEXT(xRCX); + TBNZ_MARK2(xFlags, F_DF); + MARK; // Part with DF==0 + STRxw_S9_postindex(xRAX, xRDI, rex.w?8:4); + SUBx_U12(xRCX, xRCX, 1); + CBNZx_MARK(xRCX); + B_NEXT_nocond; + MARK2; // Part with DF==1 + STRxw_S9_postindex(xRAX, xRDI, rex.w?-8:-4); + SUBx_U12(xRCX, xRCX, 1); + CBNZx_MARK2(xRCX); + // done + } else { + INST_NAME("STOSD"); + GETDIR(x3, rex.w?8:4); + STRxw_U12(xRAX, xRDI, 0); + ADDx_REG(xRDI, xRDI, x3); + } + break; case 0xAE: switch(rep) { |