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| author | ptitSeb <sebastien.chev@gmail.com> | 2025-04-24 19:50:32 +0200 |
|---|---|---|
| committer | ptitSeb <sebastien.chev@gmail.com> | 2025-04-24 19:50:32 +0200 |
| commit | 3542c88dc1022aa5eed988876581531081b9f6db (patch) | |
| tree | 593f067c9ca611a382488c031abea21036903a34 /src/dynarec/dynarec_native_functions.c | |
| parent | 4585b74310598068c36f9b9b30a940d7e96a1e1d (diff) | |
| download | box64-3542c88dc1022aa5eed988876581531081b9f6db.tar.gz box64-3542c88dc1022aa5eed988876581531081b9f6db.zip | |
[ARM64_DYNAREC] Improved and fixed software fallback for (V)PCLMULQDQ opcodes
Diffstat (limited to 'src/dynarec/dynarec_native_functions.c')
| -rw-r--r-- | src/dynarec/dynarec_native_functions.c | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/src/dynarec/dynarec_native_functions.c b/src/dynarec/dynarec_native_functions.c index 2691e2cc..a97e22c4 100644 --- a/src/dynarec/dynarec_native_functions.c +++ b/src/dynarec/dynarec_native_functions.c @@ -485,14 +485,12 @@ void native_pclmul(x64emu_t* emu, int gx, int ex, void* p, uint32_t u8) for (int i=0; i<64; ++i) if(GX->q[g]&(1LL<<i)) result ^= (op2<<i); - - GX->q[0] = result&0xffffffffffffffffLL; - GX->q[1] = (result>>64)&0xffffffffffffffffLL; + GX->u128 = result; } void native_pclmul_x(x64emu_t* emu, int gx, int vx, void* p, uint32_t u8) { - sse_regs_t *EX = ((uintptr_t)p<16)?((sse_regs_t*)p):&emu->xmm[(uintptr_t)p]; + sse_regs_t *EX = ((uintptr_t)p>15)?((sse_regs_t*)p):&emu->xmm[(uintptr_t)p]; sse_regs_t *GX = &emu->xmm[gx]; sse_regs_t *VX = &emu->xmm[vx]; int g = (u8&1)?1:0; @@ -503,13 +501,13 @@ void native_pclmul_x(x64emu_t* emu, int gx, int vx, void* p, uint32_t u8) if(VX->q[g]&(1LL<<i)) result ^= (op2<<i); - GX->q[0] = result&0xffffffffffffffffLL; - GX->q[1] = (result>>64)&0xffffffffffffffffLL; + GX->u128 = result; } void native_pclmul_y(x64emu_t* emu, int gy, int vy, void* p, uint32_t u8) { - - sse_regs_t *EY = ((uintptr_t)p<16)?((sse_regs_t*)p):&emu->ymm[(uintptr_t)p]; + //compute both low and high values + native_pclmul_x(emu, gy, vy, p, u8); + sse_regs_t *EY = ((uintptr_t)p>15)?((sse_regs_t*)(p+16)):&emu->ymm[(uintptr_t)p]; sse_regs_t *GY = &emu->ymm[gy]; sse_regs_t *VY = &emu->ymm[vy]; int g = (u8&1)?1:0; @@ -520,8 +518,7 @@ void native_pclmul_y(x64emu_t* emu, int gy, int vy, void* p, uint32_t u8) if(VY->q[g]&(1LL<<i)) result ^= (op2<<i); - GY->q[0] = result&0xffffffffffffffffLL; - GY->q[1] = (result>>64)&0xffffffffffffffffLL; + GY->u128 = result; } void native_clflush(x64emu_t* emu, void* p) |