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| author | ptitSeb <sebastien.chev@gmail.com> | 2025-01-01 16:39:30 +0100 |
|---|---|---|
| committer | ptitSeb <sebastien.chev@gmail.com> | 2025-01-01 16:39:30 +0100 |
| commit | ebf03f88786fe43b23dd2cb9d5ba753d660b3ce2 (patch) | |
| tree | 795182861aa20f6b311e6ad354056a7d9c349abe /src | |
| parent | d7dbee5126ebc72bcaa301c51cfacb6bd4a7e35c (diff) | |
| download | box64-ebf03f88786fe43b23dd2cb9d5ba753d660b3ce2.tar.gz box64-ebf03f88786fe43b23dd2cb9d5ba753d660b3ce2.zip | |
[ARM64_DYNAREC] Improved ADCX opcode
Diffstat (limited to 'src')
| -rw-r--r-- | src/dynarec/arm64/dynarec_arm64_660f.c | 24 |
1 files changed, 19 insertions, 5 deletions
diff --git a/src/dynarec/arm64/dynarec_arm64_660f.c b/src/dynarec/arm64/dynarec_arm64_660f.c index 66b17e6e..0f2dd1fe 100644 --- a/src/dynarec/arm64/dynarec_arm64_660f.c +++ b/src/dynarec/arm64/dynarec_arm64_660f.c @@ -924,13 +924,27 @@ uintptr_t dynarec64_660F(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int n SETFLAGS(X_CF, SF_SUBSET); GETED(0); GETGD; - MRS_nzcv(x3); - BFIx(x3, xFlags, 29, 1); // set C - MSR_nzcv(x3); // load CC into ARM CF + IFNATIVE_BEFORE(NF_CF) { + if(INVERTED_CARRY_BEFORE) { + if(arm64_flagm) + CFINV(); + else { + MRS_nzcv(x3); + EORx_mask(x3, x3, 1, 35, 0); //mask=1<<NZCV_C + MSR_nzcv(x3); + } + } + } else { + MRS_nzcv(x3); + BFIx(x3, xFlags, 29, 1); // set C + MSR_nzcv(x3); // load CC into ARM CF + } IFX(X_CF) { ADCSxw_REG(gd, gd, ed); - CSETw(x3, cCS); - BFIw(xFlags, x3, F_CF, 1); + IFNATIVE(NF_CF) {} else { + CSETw(x3, cCS); + BFIw(xFlags, x3, F_CF, 1); + } } else { ADCxw_REG(gd, gd, ed); } |