(CTR/3DS) some performance tweaks:

- use linearAlloc for vout_buf.
- use svcFlushProcessDataCache to flush only the required range,
invalidating icache doesn't seem to be required.

diff --git a/frontend/libretro.c b/frontend/libretro.c
index d834579..2964587 100644 (file)
--- a/frontend/libretro.c
+++ b/frontend/libretro.c
@@ -1341,7 +1341,9 @@ void retro_init(void)
                exit(1);
        }
 
-#if defined(_POSIX_C_SOURCE) && (_POSIX_C_SOURCE >= 200112L) && !defined(VITA)
+#ifdef _3DS
+   vout_buf = linearMemAlign(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2, 0x80);
+#elif defined(_POSIX_C_SOURCE) && (_POSIX_C_SOURCE >= 200112L) && !defined(VITA)
        posix_memalign(&vout_buf, 16, VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
 #else
        vout_buf = malloc(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
@@ -1407,7 +1409,11 @@ void retro_init(void)
 void retro_deinit(void)
 {
        SysClose();
+#ifdef _3DS
+   linearFree(vout_buf);
+#else
        free(vout_buf);
+#endif
        vout_buf = NULL;
 }
 

diff --git a/libpcsxcore/new_dynarec/new_dynarec.c b/libpcsxcore/new_dynarec/new_dynarec.c
index 487f7f0..068ca1e 100644 (file)
--- a/libpcsxcore/new_dynarec/new_dynarec.c
+++ b/libpcsxcore/new_dynarec/new_dynarec.c
@@ -55,7 +55,7 @@ static void __clear_cache(void *start, void *end) {
 }
 #elif defined(_3DS)
 #include "3ds_utils.h"
-#define __clear_cache(start,end) ctr_flush_invalidate_cache()
+#define __clear_cache(start,end) svcFlushProcessDataCache(0xFFFF8001, start, (end)-(start))
 #endif
 
 #define MAXBLOCK 4096