diff options
Diffstat (limited to 'src')
| -rwxr-xr-x | src/dynarec/dynarec_arm64_00.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/src/dynarec/dynarec_arm64_00.c b/src/dynarec/dynarec_arm64_00.c index 4ceabefc..2e44b5bf 100755 --- a/src/dynarec/dynarec_arm64_00.c +++ b/src/dynarec/dynarec_arm64_00.c @@ -966,6 +966,32 @@ uintptr_t dynarec64_00(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int nin SET_DFNONE(x1); break; + case 0xA4: + if(rep) { + INST_NAME("REP MOVSB"); + CBZx_NEXT(xRCX); + TBNZ_MARK2(xFlags, F_DF); + MARK; // Part with DF==0 + LDRB_S9_postindex(x1, xRSI, 1); + STRB_S9_postindex(x1, xRDI, 1); + SUBx_U12(xRCX, xRCX, 1); + CBNZx_MARK(xRCX); + B_NEXT_nocond; + MARK2; // Part with DF==1 + LDRB_S9_postindex(x1, xRSI, -1); + STRB_S9_postindex(x1, xRDI, -1); + SUBx_U12(xRCX, xRCX, 1); + CBNZx_MARK2(xRCX); + // done + } else { + INST_NAME("MOVSB"); + GETDIR(x3, 1); + LDRB_U12(x1, xRSI, 0); + STRB_U12(x1, xRDI, 0); + ADDx_REG(xRSI, xRSI, x3); + ADDx_REG(xRDI, xRDI, x3); + } + break; case 0xA5: if(rep) { INST_NAME("REP MOVSD"); |