e638eadaff
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@6029 a1c6a512-1295-4272-9138-f99709370657
166 lines
5.2 KiB
C
166 lines
5.2 KiB
C
#ifndef SIMULATOR
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#include <private/coldfire.h>
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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")));
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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[])
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{
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register const FLAC__int32 *qlp0 = &qlp_coeff[(order-1)];
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register FLAC__int32 sum;
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register const FLAC__int32 *history;
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SET_MACSR(0);
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history = &data[(-order)];
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SET_ACC(0, acc0);
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switch (order) {
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case 8:
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for( ; data_len != 0; --data_len) {
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asm volatile(
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"mov.l (%1), %%d0\n\t"
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"mov.l (%2), %%d1\n\t"
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"mac.l %%d0, %%d1, 4(%2), %%d1, %%acc0\n\t"
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"mov.l -4(%1), %%d0\n\t"
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"mac.l %%d0, %%d1, 8(%2), %%d1, %%acc0\n\t"
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"mov.l -8(%1), %%d0\n\t"
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"mac.l %%d0, %%d1, 12(%2), %%d1, %%acc0\n\t"
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"mov.l -12(%1), %%d0\n\t"
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"mac.l %%d0, %%d1, 16(%2), %%d1, %%acc0\n\t"
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"mov.l -16(%1), %%d0\n\t"
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"mac.l %%d0, %%d1, 20(%2), %%d1, %%acc0\n\t"
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"mov.l -20(%1), %%d0\n\t"
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"mac.l %%d0, %%d1, 24(%2), %%d1, %%acc0\n\t"
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"mov.l -24(%1), %%d0\n\t"
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"mac.l %%d0, %%d1, 28(%2), %%d1, %%acc0\n\t"
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"mov.l -28(%1), %%d0\n\t"
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"mac.l %%d0, %%d1, %%acc0\n\t"
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"movclr.l %%acc0, %0"
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: "=ad" (sum) : "a" (qlp0), "a" (history) : "d0", "d1");
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++history;
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*(data++) = *(residual++) + (sum >> lp_quantization);
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}
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return;
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case 7:
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for( ; data_len != 0; --data_len) {
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asm volatile(
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"mov.l (%1), %%d0\n\t"
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"mov.l (%2), %%d1\n\t"
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"mac.l %%d0, %%d1, 4(%2), %%d1, %%acc0\n\t"
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"mov.l -4(%1), %%d0\n\t"
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"mac.l %%d0, %%d1, 8(%2), %%d1, %%acc0\n\t"
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"mov.l -8(%1), %%d0\n\t"
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"mac.l %%d0, %%d1, 12(%2), %%d1, %%acc0\n\t"
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"mov.l -12(%1), %%d0\n\t"
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"mac.l %%d0, %%d1, 16(%2), %%d1, %%acc0\n\t"
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"mov.l -16(%1), %%d0\n\t"
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"mac.l %%d0, %%d1, 20(%2), %%d1, %%acc0\n\t"
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"mov.l -20(%1), %%d0\n\t"
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"mac.l %%d0, %%d1, 24(%2), %%d1, %%acc0\n\t"
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"mov.l -24(%1), %%d0\n\t"
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"mac.l %%d0, %%d1, %%acc0\n\t"
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"movclr.l %%acc0, %0"
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: "=ad" (sum) : "a" (qlp0), "a" (history) : "d0", "d1");
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++history;
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*(data++) = *(residual++) + (sum >> lp_quantization);
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}
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return;
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case 6:
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for( ; data_len != 0; --data_len) {
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asm volatile(
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"mov.l (%1), %%d0\n\t"
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"mov.l (%2), %%d1\n\t"
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"mac.l %%d0, %%d1, 4(%2), %%d1, %%acc0\n\t"
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"mov.l -4(%1), %%d0\n\t"
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"mac.l %%d0, %%d1, 8(%2), %%d1, %%acc0\n\t"
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"mov.l -8(%1), %%d0\n\t"
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"mac.l %%d0, %%d1, 12(%2), %%d1, %%acc0\n\t"
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"mov.l -12(%1), %%d0\n\t"
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"mac.l %%d0, %%d1, 16(%2), %%d1, %%acc0\n\t"
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"mov.l -16(%1), %%d0\n\t"
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"mac.l %%d0, %%d1, 20(%2), %%d1, %%acc0\n\t"
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"mov.l -20(%1), %%d0\n\t"
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"mac.l %%d0, %%d1, %%acc0\n\t"
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"movclr.l %%acc0, %0"
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: "=ad" (sum) : "a" (qlp0), "a" (history) : "d0", "d1");
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++history;
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*(data++) = *(residual++) + (sum >> lp_quantization);
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}
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return;
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case 5:
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for( ; data_len != 0; --data_len) {
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asm volatile(
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"mov.l (%1), %%d0\n\t"
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"mov.l (%2), %%d1\n\t"
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"mac.l %%d0, %%d1, 4(%2), %%d1, %%acc0\n\t"
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"mov.l -4(%1), %%d0\n\t"
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"mac.l %%d0, %%d1, 8(%2), %%d1, %%acc0\n\t"
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"mov.l -8(%1), %%d0\n\t"
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"mac.l %%d0, %%d1, 12(%2), %%d1, %%acc0\n\t"
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"mov.l -12(%1), %%d0\n\t"
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"mac.l %%d0, %%d1, 16(%2), %%d1, %%acc0\n\t"
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"mov.l -16(%1), %%d0\n\t"
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"mac.l %%d0, %%d1, %%acc0\n\t"
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"movclr.l %%acc0, %0"
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: "=ad" (sum) : "a" (qlp0), "a" (history) : "d0", "d1");
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++history;
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*(data++) = *(residual++) + (sum >> lp_quantization);
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}
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return;
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case 4:
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for( ; data_len != 0; --data_len) {
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asm volatile(
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"mov.l (%1), %%d0\n\t"
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"mov.l (%2), %%d1\n\t"
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"mac.l %%d0, %%d1, 4(%2), %%d1, %%acc0\n\t"
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"mov.l -4(%1), %%d0\n\t"
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"mac.l %%d0, %%d1, 8(%2), %%d1, %%acc0\n\t"
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"mov.l -8(%1), %%d0\n\t"
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"mac.l %%d0, %%d1, 12(%2), %%d1, %%acc0\n\t"
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"mov.l -12(%1), %%d0\n\t"
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"mac.l %%d0, %%d1, %%acc0\n\t"
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"movclr.l %%acc0, %0"
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: "=ad" (sum) : "a" (qlp0), "a" (history) : "d0", "d1");
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++history;
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*(data++) = *(residual++) + (sum >> lp_quantization);
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}
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return;
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case 3:
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for( ; data_len != 0; --data_len) {
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asm volatile(
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"mov.l (%1), %%d0\n\t"
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"mov.l (%2), %%d1\n\t"
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"mac.l %%d0, %%d1, 4(%2), %%d1, %%acc0\n\t"
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"mov.l -4(%1), %%d0\n\t"
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"mac.l %%d0, %%d1, 8(%2), %%d1, %%acc0\n\t"
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"mov.l -8(%1), %%d0\n\t"
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"mac.l %%d0, %%d1, %%acc0\n\t"
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"movclr.l %%acc0, %0"
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: "=ad" (sum) : "a" (qlp0), "a" (history) : "d0", "d1");
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++history;
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*(data++) = *(residual++) + (sum >> lp_quantization);
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}
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return;
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case 2:
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for( ; data_len != 0; --data_len) {
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asm volatile(
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"mov.l (%1), %%d0\n\t"
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"mov.l (%2), %%d1\n\t"
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"mac.l %%d0, %%d1, 4(%2), %%d1, %%acc0\n\t"
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"mov.l -4(%1), %%d0\n\t"
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"mac.l %%d0, %%d1, %%acc0\n\t"
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"movclr.l %%acc0, %0"
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: "=ad" (sum) : "a" (qlp0), "a" (history) : "d0", "d1");
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++history;
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*(data++) = *(residual++) + (sum >> lp_quantization);
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}
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return;
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case 1:
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// won't gain anything by using mac here.
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for( ; data_len != 0; --data_len) {
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sum = (qlp0[0] * (*(history++)));
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*(data++) = *(residual++) + (sum >> lp_quantization);
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}
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return;
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}
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}
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#endif
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