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Set alignment for major data arrays in the mpc codec. This avoids performance regressions on S5L870x CPUs when changing code and allows further improvements.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@28561 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Andree Buschmann 2010-11-12 07:04:07 +00:00
parent 7555235591
commit 3f4e0cf25b
3 changed files with 13 additions and 7 deletions
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12
apps/codecs/libmusepack/mpc_decoder.c
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@ -62,8 +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)
static mpc_decoder g_mpc_decoder IBSS_ATTR;
static MPC_SAMPLE_FORMAT g_Y_L[MPC_FRAME_LENGTH] IBSS_ATTR_MPC_LARGE_IRAM;
static MPC_SAMPLE_FORMAT g_Y_R[MPC_FRAME_LENGTH] IBSS_ATTR_MPC_LARGE_IRAM;
static MPC_SAMPLE_FORMAT g_V_L[MPC_V_MEM + 960 ] IBSS_ATTR __attribute__((aligned(16)));
static MPC_SAMPLE_FORMAT g_Y_L[MPC_FRAME_LENGTH] IBSS_ATTR_MPC_LARGE_IRAM __attribute__((aligned(16)));
static MPC_SAMPLE_FORMAT g_V_R[MPC_V_MEM + 960 ] IBSS_ATTR __attribute__((aligned(16)));
static MPC_SAMPLE_FORMAT g_Y_R[MPC_FRAME_LENGTH] IBSS_ATTR_MPC_LARGE_IRAM __attribute__((aligned(16)));
//SV7 globals (decoding results for bundled quantizers (3- and 5-step))
static const mpc_int32_t g_sv7_idx30[] ICONST_ATTR =
@ -236,9 +238,13 @@ static void mpc_decoder_setup(mpc_decoder *d)
d->__r1 = 1;
d->__r2 = 1;
d->V_L = g_V_L;
d->V_R = g_V_R;
d->Y_L = g_Y_L;
d->Y_R = g_Y_R;
memset(d->V_L, 0, sizeof(g_V_L));
memset(d->V_R, 0, sizeof(g_V_R));
memset(d->Y_L, 0, sizeof(g_Y_L));
memset(d->Y_R, 0, sizeof(g_Y_R));