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Cleanup.

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This commit is contained in:
Steve Checkoway
2006-06-18 18:49:23 +00:00
parent de4a22d9e0
commit 36f6042ef0
1 changed files with 22 additions and 29 deletions
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stepmania/src/archutils/Darwin/VectorHelper.cpp
+22 -29
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@@ -73,8 +73,8 @@ void Vector::FastSoundWrite( int32_t *dest, const int16_t *src, unsigned size, s
vSInt32 first = vec_mergeh( even, odd );
vSInt32 second = vec_mergel( even, odd );
load1Dest = vec_add( load1Dest, first );
load2Dest = vec_add( load2Dest, second );
load1Dest = vec_add( load1Dest, first );
load2Dest = vec_add( load2Dest, second );
store = vec_perm( load1Dest, load1Dest, storeMask );
load1Dest = vec_perm( load1Dest, load2Dest, storeMask );
@@ -85,10 +85,10 @@ void Vector::FastSoundWrite( int32_t *dest, const int16_t *src, unsigned size, s
}
vec_st( load1Dest, index, dest );
load1Src = load2Src;
load1Src = load2Src;
load1Dest = load3Dest;
store = load2Dest;
src += 8;
store = load2Dest;
src += 8;
dest += 8;
size -= 8;
/* Incrementing the index is supposed to have the same effect
@@ -135,6 +135,7 @@ void Vector::FastSoundWrite( int32_t *dest, const int16_t *src, unsigned size, s
vSInt32 odd3 = vec_mulo( load3Src, vol );
vSInt32 even4 = vec_mule( load4Src, vol );
vSInt32 odd4 = vec_mulo( load4Src, vol );
vSInt32 first = vec_mergeh( even1, odd1 );
vSInt32 second = vec_mergel( even1, odd1 );
vSInt32 third = vec_mergeh( even2, odd2 );
@@ -164,7 +165,7 @@ void Vector::FastSoundWrite( int32_t *dest, const int16_t *src, unsigned size, s
load7Dest = vec_perm( load7Dest, load8Dest, storeMask );
// store the results
vec_st( store, index, dest );
vec_st( store, index + 0, dest );
vec_st( load1Dest, index + 16, dest );
vec_st( load2Dest, index + 32, dest );
vec_st( load3Dest, index + 48, dest );
@@ -206,7 +207,7 @@ void Vector::FastSoundWrite( int32_t *dest, const int16_t *src, unsigned size, s
store = vec_perm( store, load1Dest, storeMask );
load1Dest = vec_perm( load1Dest, load2Dest, storeMask );
vec_st( store, index, dest );
vec_st( store, index + 0, dest );
vec_st( load1Dest, index + 16, dest );
load1Src = load2Src;
@@ -314,23 +315,19 @@ void Vector::FastSoundRead( int16_t *dest, const int32_t *src, unsigned size )
// Befuddle optimizer as above.
while( size & ~0x7 )
{
vSInt32 first = vec_ldl( 0, src );
vSInt32 first = vec_ldl( 0, src );
vSInt32 second = vec_ldl( 16, src );
vSInt32 temp1 = (vSInt32)vec_cmplt( first, zero );
vSInt32 temp2 = (vSInt32)vec_cmplt( second, zero );
vSInt32 temp1 = (vSInt32)vec_cmplt( first, zero );
vSInt32 temp2 = (vSInt32)vec_cmplt( second, zero );
first = vec_abss( first );
second = vec_abss( second );
first = vec_sr( first, shift );
second = vec_sr( second, shift );
first = vec_sr( vec_abss(first), shift );
second = vec_sr( vec_abss(second), shift );
temp1 = vec_and( first, temp1 );
temp2 = vec_and( second, temp2 );
first = vec_subs( first, temp1 );
second = vec_subs( second, temp2 );
first = vec_subs( first, temp1 );
second = vec_sub( second, temp2 );
first = vec_subs( vec_sub(first, temp1), temp1 );
second = vec_subs( vec_sub(second, temp2), temp2 );
vec_st( vec_packs(first, second), 0, dest );
dest += 8;
@@ -340,23 +337,19 @@ void Vector::FastSoundRead( int16_t *dest, const int32_t *src, unsigned size )
if( size )
{
// Deal with the remaining samples but be careful while storing as above.
vSInt32 first = vec_ldl( 0, src );
vSInt32 first = vec_ldl( 0, src );
vSInt32 second = size > 4 ? vec_ldl( 16, src ) : (vSInt32)( 0 );
vSInt32 temp1 = (vSInt32)vec_cmplt( first, zero );
vSInt32 temp2 = (vSInt32)vec_cmplt( second, zero );
vSInt32 temp1 = (vSInt32)vec_cmplt( first, zero );
vSInt32 temp2 = (vSInt32)vec_cmplt( second, zero );
first = vec_abss( first );
second = vec_abss( second );
first = vec_sr( first, shift );
second = vec_sr( second, shift );
first = vec_sr( vec_abss(first), shift );
second = vec_sr( vec_abss(second), shift );
temp1 = vec_and( first, temp1 );
temp2 = vec_and( second, temp2 );
first = vec_subs( first, temp1 );
second = vec_subs( second, temp2 );
first = vec_subs( first, temp1 );
second = vec_sub( second, temp2 );
first = vec_subs( vec_sub(first, temp1), temp1 );
second = vec_subs( vec_sub(second, temp2), temp2 );
vSInt16 result = vec_packs( first, second );
while( size-- )