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Use MEM_ALIGN_ATTR in mpc codec. Speed up by 22-24% was measured on ARM11.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@28627 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Andree Buschmann 2010-11-21 14:03:55 +00:00
parent e5b1a7d423
commit 0dbc4a6cae
2 changed files with 6 additions and 5 deletions
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8
apps/codecs/libmusepack/mpc_decoder.c
View file

@ -62,10 +62,10 @@ extern const mpc_can_data mpc_can_Q9up;
//Decoder globals (g_Y_L and g_Y_R do not fit into iram for all targets) //Decoder globals (g_Y_L and g_Y_R do not fit into iram for all targets)
static mpc_decoder g_mpc_decoder IBSS_ATTR; static mpc_decoder g_mpc_decoder IBSS_ATTR;
static MPC_SAMPLE_FORMAT g_V_L[MPC_V_MEM + 960 ] IBSS_ATTR __attribute__((aligned(16))); static MPC_SAMPLE_FORMAT g_V_L[MPC_V_MEM + 960 ] IBSS_ATTR MEM_ALIGN_ATTR;
static MPC_SAMPLE_FORMAT g_Y_L[MPC_FRAME_LENGTH] IBSS_ATTR_MPC_LARGE_IRAM __attribute__((aligned(16))); static MPC_SAMPLE_FORMAT g_Y_L[MPC_FRAME_LENGTH] IBSS_ATTR_MPC_LARGE_IRAM MEM_ALIGN_ATTR;
static MPC_SAMPLE_FORMAT g_V_R[MPC_V_MEM + 960 ] IBSS_ATTR __attribute__((aligned(16))); static MPC_SAMPLE_FORMAT g_V_R[MPC_V_MEM + 960 ] IBSS_ATTR MEM_ALIGN_ATTR;
static MPC_SAMPLE_FORMAT g_Y_R[MPC_FRAME_LENGTH] IBSS_ATTR_MPC_LARGE_IRAM __attribute__((aligned(16))); static MPC_SAMPLE_FORMAT g_Y_R[MPC_FRAME_LENGTH] IBSS_ATTR_MPC_LARGE_IRAM MEM_ALIGN_ATTR;
//SV7 globals (decoding results for bundled quantizers (3- and 5-step)) //SV7 globals (decoding results for bundled quantizers (3- and 5-step))
static const mpc_int32_t g_sv7_idx30[] ICONST_ATTR = static const mpc_int32_t g_sv7_idx30[] ICONST_ATTR =

3
apps/codecs/libmusepack/synth_filter.c
View file

@ -36,6 +36,7 @@
/// Synthesis functions. /// Synthesis functions.
/// \todo document me /// \todo document me
#include <string.h> #include <string.h>
#include <codecs.h>
#include "mpcdec.h" #include "mpcdec.h"
#include "decoder.h" #include "decoder.h"
#include "mpcdec_math.h" #include "mpcdec_math.h"
@ -68,7 +69,7 @@
#endif #endif
// Di_opt coefficients are +/- 2^17 (pre-shifted by <<16) // Di_opt coefficients are +/- 2^17 (pre-shifted by <<16)
static const MPC_SAMPLE_FORMAT Di_opt [512] ICONST_ATTR __attribute__((aligned(16))) = { static const MPC_SAMPLE_FORMAT Di_opt [512] ICONST_ATTR MEM_ALIGN_ATTR = {
/* 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 */ /* 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 */
/* 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), /* 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),
/* 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), /* 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),