Added new coldfire assembly LPC decoder routine to libFLAC.

Added clear accumulator policy.


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@6108 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 0 insertions, 166 deletions

diff --git a/apps/codecs/libFLAC/coldfire.c b/apps/codecs/libFLAC/coldfire.c
deleted file mode 100644
index 1d50038..0000000
--- a/apps/codecs/libFLAC/coldfire.c
+++ /dev/null
@@ -1,166 +0,0 @@
-#ifndef SIMULATOR
-#include <private/coldfire.h>
-
-void FLAC__lpc_restore_signal_order8_mac(const FLAC__int32 residual[], unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 data[]) __attribute__ ((section (".icode")));
-void FLAC__lpc_restore_signal_order8_mac(const FLAC__int32 residual[], unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 data[])
-{
-	register const FLAC__int32 *qlp0 = &qlp_coeff[(order-1)];
-	register FLAC__int32 sum;
-	register const FLAC__int32 *history;
-	
-	SET_MACSR(0);
-	history = &data[(-order)];
-	SET_ACC(0, acc0);
-	
-	switch (order) {
-	case 8:
-		for( ; data_len != 0; --data_len) {
-			asm volatile(
-				"mov.l (%1), %%d0\n\t"
-				"mov.l (%2), %%d1\n\t"
-				"mac.l %%d0, %%d1, 4(%2), %%d1, %%acc0\n\t"
-				"mov.l -4(%1), %%d0\n\t"
-				"mac.l %%d0, %%d1, 8(%2), %%d1, %%acc0\n\t"
-				"mov.l -8(%1), %%d0\n\t"
-				"mac.l %%d0, %%d1, 12(%2), %%d1, %%acc0\n\t"
-				"mov.l -12(%1), %%d0\n\t"
-				"mac.l %%d0, %%d1, 16(%2), %%d1, %%acc0\n\t"
-				"mov.l -16(%1), %%d0\n\t"
-				"mac.l %%d0, %%d1, 20(%2), %%d1, %%acc0\n\t"
-				"mov.l -20(%1), %%d0\n\t"
-				"mac.l %%d0, %%d1, 24(%2), %%d1, %%acc0\n\t"
-				"mov.l -24(%1), %%d0\n\t"
-				"mac.l %%d0, %%d1, 28(%2), %%d1, %%acc0\n\t"
-				"mov.l -28(%1), %%d0\n\t"
-				"mac.l %%d0, %%d1, %%acc0\n\t"
-				"movclr.l %%acc0, %0"
-				: "=ad" (sum) : "a" (qlp0), "a" (history) : "d0", "d1");
-			++history;
-			*(data++) = *(residual++) + (sum >> lp_quantization);
-		}
-		return;
-	case 7:
-		for( ; data_len != 0; --data_len) {
-			asm volatile(
-				"mov.l (%1), %%d0\n\t"
-				"mov.l (%2), %%d1\n\t"
-				"mac.l %%d0, %%d1, 4(%2), %%d1, %%acc0\n\t"
-				"mov.l -4(%1), %%d0\n\t"
-				"mac.l %%d0, %%d1, 8(%2), %%d1, %%acc0\n\t"
-				"mov.l -8(%1), %%d0\n\t"
-				"mac.l %%d0, %%d1, 12(%2), %%d1, %%acc0\n\t"
-				"mov.l -12(%1), %%d0\n\t"
-				"mac.l %%d0, %%d1, 16(%2), %%d1, %%acc0\n\t"
-				"mov.l -16(%1), %%d0\n\t"
-				"mac.l %%d0, %%d1, 20(%2), %%d1, %%acc0\n\t"
-				"mov.l -20(%1), %%d0\n\t"
-				"mac.l %%d0, %%d1, 24(%2), %%d1, %%acc0\n\t"
-				"mov.l -24(%1), %%d0\n\t"
-				"mac.l %%d0, %%d1, %%acc0\n\t"
-				"movclr.l %%acc0, %0"
-				: "=ad" (sum) : "a" (qlp0), "a" (history) : "d0", "d1");
-			++history;
-			*(data++) = *(residual++) + (sum >> lp_quantization);
-		} 
-		return;
-	case 6:
-		for( ; data_len != 0; --data_len) {
-			asm volatile(
-				"mov.l (%1), %%d0\n\t"
-				"mov.l (%2), %%d1\n\t"
-				"mac.l %%d0, %%d1, 4(%2), %%d1, %%acc0\n\t"
-				"mov.l -4(%1), %%d0\n\t"
-				"mac.l %%d0, %%d1, 8(%2), %%d1, %%acc0\n\t"
-				"mov.l -8(%1), %%d0\n\t"
-				"mac.l %%d0, %%d1, 12(%2), %%d1, %%acc0\n\t"
-				"mov.l -12(%1), %%d0\n\t"
-				"mac.l %%d0, %%d1, 16(%2), %%d1, %%acc0\n\t"
-				"mov.l -16(%1), %%d0\n\t"
-				"mac.l %%d0, %%d1, 20(%2), %%d1, %%acc0\n\t"
-				"mov.l -20(%1), %%d0\n\t"
-				"mac.l %%d0, %%d1, %%acc0\n\t"
-				"movclr.l %%acc0, %0"
-				: "=ad" (sum) : "a" (qlp0), "a" (history) : "d0", "d1");
-			++history;
-			*(data++) = *(residual++) + (sum >> lp_quantization);
-		} 
-		return;
-	case 5:
-		for( ; data_len != 0; --data_len) {
-			asm volatile(
-				"mov.l (%1), %%d0\n\t"
-				"mov.l (%2), %%d1\n\t"
-				"mac.l %%d0, %%d1, 4(%2), %%d1, %%acc0\n\t"
-				"mov.l -4(%1), %%d0\n\t"
-				"mac.l %%d0, %%d1, 8(%2), %%d1, %%acc0\n\t"
-				"mov.l -8(%1), %%d0\n\t"
-				"mac.l %%d0, %%d1, 12(%2), %%d1, %%acc0\n\t"
-				"mov.l -12(%1), %%d0\n\t"
-				"mac.l %%d0, %%d1, 16(%2), %%d1, %%acc0\n\t"
-				"mov.l -16(%1), %%d0\n\t"
-				"mac.l %%d0, %%d1, %%acc0\n\t"
-				"movclr.l %%acc0, %0"
-				: "=ad" (sum) : "a" (qlp0), "a" (history) : "d0", "d1");
-			++history;
-			*(data++) = *(residual++) + (sum >> lp_quantization);
-		} 
-		return;
-	case 4:
-		for( ; data_len != 0; --data_len) {
-			asm volatile(
-				"mov.l (%1), %%d0\n\t"
-				"mov.l (%2), %%d1\n\t"
-				"mac.l %%d0, %%d1, 4(%2), %%d1, %%acc0\n\t"
-				"mov.l -4(%1), %%d0\n\t"
-				"mac.l %%d0, %%d1, 8(%2), %%d1, %%acc0\n\t"
-				"mov.l -8(%1), %%d0\n\t"
-				"mac.l %%d0, %%d1, 12(%2), %%d1, %%acc0\n\t"
-				"mov.l -12(%1), %%d0\n\t"
-				"mac.l %%d0, %%d1, %%acc0\n\t"
-				"movclr.l %%acc0, %0"
-				: "=ad" (sum) : "a" (qlp0), "a" (history) : "d0", "d1");
-			++history;
-			*(data++) = *(residual++) + (sum >> lp_quantization);
-		} 
-		return;
-	case 3:
-		for( ; data_len != 0; --data_len) {
-			asm volatile(
-				"mov.l (%1), %%d0\n\t"
-				"mov.l (%2), %%d1\n\t"
-				"mac.l %%d0, %%d1, 4(%2), %%d1, %%acc0\n\t"
-				"mov.l -4(%1), %%d0\n\t"
-				"mac.l %%d0, %%d1, 8(%2), %%d1, %%acc0\n\t"
-				"mov.l -8(%1), %%d0\n\t"
-				"mac.l %%d0, %%d1, %%acc0\n\t"
-				"movclr.l %%acc0, %0"
-				: "=ad" (sum) : "a" (qlp0), "a" (history) : "d0", "d1");
-			++history;
-			*(data++) = *(residual++) + (sum >> lp_quantization);
-		}
-		return;
-	case 2:
-		for( ; data_len != 0; --data_len) {
-			asm volatile(
-				"mov.l (%1), %%d0\n\t"
-				"mov.l (%2), %%d1\n\t"
-				"mac.l %%d0, %%d1, 4(%2), %%d1, %%acc0\n\t"
-				"mov.l -4(%1), %%d0\n\t"
-				"mac.l %%d0, %%d1, %%acc0\n\t"
-				"movclr.l %%acc0, %0"
-				: "=ad" (sum) : "a" (qlp0), "a" (history) : "d0", "d1");
-			++history;
-			*(data++) = *(residual++) + (sum >> lp_quantization);
-		}
-		return;
-	case 1:
-		// won't gain anything by using mac here. 
-		for( ; data_len != 0; --data_len) {
-			sum = (qlp0[0] * (*(history++)));
-			*(data++) = *(residual++) + (sum >> lp_quantization);
-		} 
-		return;
-	}
-}
-
-#endif