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Float to int is slow on ppc. It requires a store, a big stall, and then a load. It's even worse on a G5 if the compiler is dumb (and let's face it, I'm using gcc here...). Just use lroundf when we want an int. It will certainly be no slower.

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This commit is contained in:
Steve Checkoway
2007-01-02 23:36:44 +00:00
parent 7a6eabd616
commit eb0b26cd82
17 changed files with 37 additions and 37 deletions
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stepmania/src/NotesLoaderKSF.cpp
+2 -2
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@@ -21,7 +21,7 @@ void KSFLoader::RemoveHoles( NoteData &out, const Song &song )
const int ToRow = (int) BeatToNoteRow(song.m_Timing.m_BPMSegments[seg].m_fStartBeat);
LOG->Trace("from %f (%i) to (%i)", FromBeat, FromRow, ToRow);
// const int ToRow = (int) roundf(FromRow * song.m_Timing.m_BPMSegments[0].m_fBPM / song.m_BPMSegments[seg].m_fBPM);
// const int ToRow = lroundf(FromRow * song.m_Timing.m_BPMSegments[0].m_fBPM / song.m_BPMSegments[seg].m_fBPM);
// const int Rows = out.GetLastRow() - FromRow + 1;
// int LastRow;
// if(seg+1 < song.m_Timing.m_BPMSegments().size())
@@ -46,7 +46,7 @@ void KSFLoader::RemoveHoles( NoteData &out, const Song &song )
if( tn == TAP_EMPTY )
continue;
const int RealRow = (int) roundf(row * OrigBPM / CurBPM);
const int RealRow = lroundf(row * OrigBPM / CurBPM);
if( RealRow == row )
continue;
LOG->Trace("from %i to %i", row, RealRow);