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Fix vsumsws clobbering input registers and reading from the wrong word.

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This commit is contained in:
Andrew Church 2015-01-18 07:04:56 +09:00
parent 14e0cbde9c
commit 0fa0946a46
1 changed files with 2 additions and 3 deletions
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5
rpcs3/Emu/Cell/PPUInterpreter.h
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@ -1930,15 +1930,14 @@ private:
} }
void VSUMSWS(u32 vd, u32 va, u32 vb) void VSUMSWS(u32 vd, u32 va, u32 vb)
{ {
CPU.VPR[vd].clear(); s64 sum = CPU.VPR[vb]._s32[0];
s64 sum = CPU.VPR[vb]._s32[3];
for (uint w = 0; w < 4; w++) for (uint w = 0; w < 4; w++)
{ {
sum += CPU.VPR[va]._s32[w]; sum += CPU.VPR[va]._s32[w];
} }
CPU.VPR[vd].clear();
if (sum > INT32_MAX) if (sum > INT32_MAX)
{ {
CPU.VPR[vd]._s32[0] = (s32)INT32_MAX; CPU.VPR[vd]._s32[0] = (s32)INT32_MAX;