From 49cd647548968bae1cc58de4018a2be155e0f6e4 Mon Sep 17 00:00:00 2001
From: Buschel <Buschel@a1c6a512-1295-4272-9138-f99709370657>
Date: Sat, 5 Feb 2011 20:22:12 +0000
Subject: [PATCH] Use the very large IRAM of S5L870x to speed up AAC-HE by
 ~1-5%.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@29212 a1c6a512-1295-4272-9138-f99709370657
---
 apps/codecs/libfaad/common.h  | 12 +++++++++++-
 apps/codecs/libfaad/sbr_dec.c |  4 ++--
 2 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/apps/codecs/libfaad/common.h b/apps/codecs/libfaad/common.h
index 109dfe67c..9179a6e21 100644
--- a/apps/codecs/libfaad/common.h
+++ b/apps/codecs/libfaad/common.h
@@ -56,18 +56,28 @@ extern struct codec_api* ci;
 #define IBSS_ATTR_FAAD_LARGE_IRAM   IBSS_ATTR
 #define ICODE_ATTR_FAAD_LARGE_IRAM
 #define ICONST_ATTR_FAAD_LARGE_IRAM ICONST_ATTR
+#define IBSS_ATTR_FAAD_XLARGE_IRAM
 
-#elif (CONFIG_CPU == PP5022) || (CONFIG_CPU == PP5024) || defined(CPU_S5L870X)
+#elif (CONFIG_CPU == PP5022) || (CONFIG_CPU == PP5024)
 /* Enough IRAM to move additional data and code to it. */
 #define IBSS_ATTR_FAAD_LARGE_IRAM   IBSS_ATTR
 #define ICODE_ATTR_FAAD_LARGE_IRAM  ICODE_ATTR
 #define ICONST_ATTR_FAAD_LARGE_IRAM ICONST_ATTR
+#define IBSS_ATTR_FAAD_XLARGE_IRAM
+
+#elif defined(CPU_S5L870X)
+/* Very large IRAM. Move even more data to it. */
+#define IBSS_ATTR_FAAD_LARGE_IRAM   IBSS_ATTR
+#define ICODE_ATTR_FAAD_LARGE_IRAM  ICODE_ATTR
+#define ICONST_ATTR_FAAD_LARGE_IRAM ICONST_ATTR
+#define IBSS_ATTR_FAAD_XLARGE_IRAM  IBSS_ATTR
 
 #else
 /* Not enough IRAM available. */
 #define IBSS_ATTR_FAAD_LARGE_IRAM
 #define ICODE_ATTR_FAAD_LARGE_IRAM
 #define ICONST_ATTR_FAAD_LARGE_IRAM
+#define IBSS_ATTR_FAAD_XLARGE_IRAM
 #endif
 
 #define INLINE __inline
diff --git a/apps/codecs/libfaad/sbr_dec.c b/apps/codecs/libfaad/sbr_dec.c
index 4d9f9c4c4..6fe884639 100644
--- a/apps/codecs/libfaad/sbr_dec.c
+++ b/apps/codecs/libfaad/sbr_dec.c
@@ -43,8 +43,8 @@
 
 
 /* globals */
-static qmf_t X_left [MAX_NTSRHFG][64] MEM_ALIGN_ATTR;// = {{0}};
-static qmf_t X_right[MAX_NTSRHFG][64] MEM_ALIGN_ATTR;// = {{0}}; /* must set this to 0 */
+static qmf_t X_left [MAX_NTSRHFG][64] IBSS_ATTR_FAAD_XLARGE_IRAM MEM_ALIGN_ATTR;
+static qmf_t X_right[MAX_NTSRHFG][64] IBSS_ATTR_FAAD_XLARGE_IRAM MEM_ALIGN_ATTR;
 
 
 /* static function declarations */
-- 
2.11.4.GIT