diff options
| author |  Lioncash <mathew1800@gmail.com> | 2014-12-16 02:03:48 -0500 |
|---|---|---|
| committer | Lioncash <mathew1800@gmail.com> | 2014-12-16 03:13:06 -0500 |
| commit | d5bcddb77c9922f8345dd4014031662ab17e2b33 (patch) | |
| tree | bb3642d0b2f7c9ae249111957e74ffee9887b5e9 /src | |
| parent | 0f9e3baf39efdfe8a6604a473405764e936a897d (diff) | |
armemu: Fix SMUAD, SMUSD, and SMLAD
Wrong values were being multiplied together.
Diffstat (limited to 'src')
| -rw-r--r-- | src/core/arm/interpreter/armemu.cpp | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/core/arm/interpreter/armemu.cpp b/src/core/arm/interpreter/armemu.cpp index 967506f4..e4159ceb 100644 --- a/src/core/arm/interpreter/armemu.cpp +++ b/src/core/arm/interpreter/armemu.cpp @@ -6243,16 +6243,16 @@ L_stm_s_takeabort: // SMUAD if ((instr & 0xf0d0) == 0xf010) { - state->Reg[rd_idx] = (rn_lo * rn_hi) + (rm_lo * rm_hi); + state->Reg[rd_idx] = (rn_lo * rm_lo) + (rn_hi * rm_hi); } // SMUSD else if ((instr & 0xf0d0) == 0xf050) { - state->Reg[rd_idx] = (rn_lo * rn_hi) - (rm_lo * rm_hi); + state->Reg[rd_idx] = (rn_lo * rm_lo) - (rn_hi * rm_hi); } // SMLAD else { const u8 ra_idx = BITS(12, 15); - state->Reg[rd_idx] = (rn_lo * rn_hi) + (rm_lo * rm_hi) + (s32)state->Reg[ra_idx]; + state->Reg[rd_idx] = (rn_lo * rm_lo) + (rn_hi * rm_hi) + (s32)state->Reg[ra_idx]; } return 1; } else { |