From 3f4e0cf25b525f8acec950547ff7570db5c134a5 Mon Sep 17 00:00:00 2001 From: Andree Buschmann Date: Fri, 12 Nov 2010 07:04:07 +0000 Subject: Set alignment for major data arrays in the mpc codec. This avoids performance regressions on S5L870x CPUs when changing code and allows further improvements. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@28561 a1c6a512-1295-4272-9138-f99709370657 --- apps/codecs/libmusepack/mpc_decoder.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) (limited to 'apps/codecs/libmusepack/mpc_decoder.c') diff --git a/apps/codecs/libmusepack/mpc_decoder.c b/apps/codecs/libmusepack/mpc_decoder.c index 2ac855b..c1e1d0e 100644 --- a/apps/codecs/libmusepack/mpc_decoder.c +++ b/apps/codecs/libmusepack/mpc_decoder.c @@ -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)); -- cgit v1.1