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authorAndree Buschmann <AndreeBuschmann@t-online.de>2010-11-21 14:03:55 +0000
committerAndree Buschmann <AndreeBuschmann@t-online.de>2010-11-21 14:03:55 +0000
commit0dbc4a6cae1284f986b7f77fabbaffd54a0d8f60 (patch)
tree9214fccee810f21cb2db57ea6c8ca22643d790d4
parente5b1a7d4237a9006b6c49c9c1c13b292ca4ecf7c (diff)
downloadrockbox-0dbc4a6cae1284f986b7f77fabbaffd54a0d8f60.tar.gz
rockbox-0dbc4a6cae1284f986b7f77fabbaffd54a0d8f60.zip
Use MEM_ALIGN_ATTR in mpc codec. Speed up by 22-24% was measured on ARM11.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@28627 a1c6a512-1295-4272-9138-f99709370657
-rw-r--r--apps/codecs/libmusepack/mpc_decoder.c8
-rw-r--r--apps/codecs/libmusepack/synth_filter.c3
2 files changed, 6 insertions, 5 deletions
diff --git a/apps/codecs/libmusepack/mpc_decoder.c b/apps/codecs/libmusepack/mpc_decoder.c
index 191ee10a2c..face3d1f81 100644
--- a/apps/codecs/libmusepack/mpc_decoder.c
+++ b/apps/codecs/libmusepack/mpc_decoder.c
@@ -62,10 +62,10 @@ extern const mpc_can_data mpc_can_Q9up;
62 62
63//Decoder globals (g_Y_L and g_Y_R do not fit into iram for all targets) 63//Decoder globals (g_Y_L and g_Y_R do not fit into iram for all targets)
64static mpc_decoder g_mpc_decoder IBSS_ATTR; 64static mpc_decoder g_mpc_decoder IBSS_ATTR;
65static MPC_SAMPLE_FORMAT g_V_L[MPC_V_MEM + 960 ] IBSS_ATTR __attribute__((aligned(16))); 65static MPC_SAMPLE_FORMAT g_V_L[MPC_V_MEM + 960 ] IBSS_ATTR MEM_ALIGN_ATTR;
66static MPC_SAMPLE_FORMAT g_Y_L[MPC_FRAME_LENGTH] IBSS_ATTR_MPC_LARGE_IRAM __attribute__((aligned(16))); 66static MPC_SAMPLE_FORMAT g_Y_L[MPC_FRAME_LENGTH] IBSS_ATTR_MPC_LARGE_IRAM MEM_ALIGN_ATTR;
67static MPC_SAMPLE_FORMAT g_V_R[MPC_V_MEM + 960 ] IBSS_ATTR __attribute__((aligned(16))); 67static MPC_SAMPLE_FORMAT g_V_R[MPC_V_MEM + 960 ] IBSS_ATTR MEM_ALIGN_ATTR;
68static MPC_SAMPLE_FORMAT g_Y_R[MPC_FRAME_LENGTH] IBSS_ATTR_MPC_LARGE_IRAM __attribute__((aligned(16))); 68static MPC_SAMPLE_FORMAT g_Y_R[MPC_FRAME_LENGTH] IBSS_ATTR_MPC_LARGE_IRAM MEM_ALIGN_ATTR;
69 69
70//SV7 globals (decoding results for bundled quantizers (3- and 5-step)) 70//SV7 globals (decoding results for bundled quantizers (3- and 5-step))
71static const mpc_int32_t g_sv7_idx30[] ICONST_ATTR = 71static const mpc_int32_t g_sv7_idx30[] ICONST_ATTR =
diff --git a/apps/codecs/libmusepack/synth_filter.c b/apps/codecs/libmusepack/synth_filter.c
index e173702a77..602edff6c6 100644
--- a/apps/codecs/libmusepack/synth_filter.c
+++ b/apps/codecs/libmusepack/synth_filter.c
@@ -36,6 +36,7 @@
36/// Synthesis functions. 36/// Synthesis functions.
37/// \todo document me 37/// \todo document me
38#include <string.h> 38#include <string.h>
39#include <codecs.h>
39#include "mpcdec.h" 40#include "mpcdec.h"
40#include "decoder.h" 41#include "decoder.h"
41#include "mpcdec_math.h" 42#include "mpcdec_math.h"
@@ -68,7 +69,7 @@
68#endif 69#endif
69 70
70// Di_opt coefficients are +/- 2^17 (pre-shifted by <<16) 71// Di_opt coefficients are +/- 2^17 (pre-shifted by <<16)
71static const MPC_SAMPLE_FORMAT Di_opt [512] ICONST_ATTR __attribute__((aligned(16))) = { 72static const MPC_SAMPLE_FORMAT Di_opt [512] ICONST_ATTR MEM_ALIGN_ATTR = {
72/* 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 */ 73/* 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 */
73/* 0 */ D( 0), -D( 29), D(213), -D( 459), D(2037), -D(5153), D( 6574), -D(37489), D(75038), D(37489), D(6574), D(5153), D(2037), D(459), D(213), D(29), 74/* 0 */ D( 0), -D( 29), D(213), -D( 459), D(2037), -D(5153), D( 6574), -D(37489), D(75038), D(37489), D(6574), D(5153), D(2037), D(459), D(213), D(29),
74/* 1 */ -D( 1), -D( 31), D(218), -D( 519), D(2000), -D(5517), D( 5959), -D(39336), D(74992), D(35640), D(7134), D(4788), D(2063), D(401), D(208), D(26), 75/* 1 */ -D( 1), -D( 31), D(218), -D( 519), D(2000), -D(5517), D( 5959), -D(39336), D(74992), D(35640), D(7134), D(4788), D(2063), D(401), D(208), D(26),