SH gcc 4.6.3 with link-time optimization, for Archos targets

This is work from FS#12431 synced to current HEAD and slightly
tweaked (gcc 4.6.2 -> 4.6.3, binutils 2.21.1 -> 2.22)

Change-Id: I76af91e80ac2a9c16a776c7f0a33cc51603bbf9b

2 files changed, 5 insertions, 5 deletions

diff --git a/firmware/target/sh/archos/audio-archos.c b/firmware/target/sh/archos/audio-archos.c
index 2c2579bec5..207f26f250 100644
--- a/firmware/target/sh/archos/audio-archos.c
+++ b/firmware/target/sh/archos/audio-archos.c
@@ -153,7 +153,7 @@ static void play_tick(void)
     }
 }
 
-void DEI3(void) __attribute__((interrupt_handler));
+void DEI3(void) __attribute__((interrupt_handler)) USED_ATTR;
 void DEI3(void)
 {
     const void* start;
@@ -177,7 +177,7 @@ void DEI3(void)
     CHCR3 &= ~0x0002; /* Clear DMA interrupt */
 }
 
-void IMIA1(void) __attribute__((interrupt_handler));
+void IMIA1(void) __attribute__((interrupt_handler)) USED_ATTR;
 void IMIA1(void) /* Timer 1 interrupt */
 {
     if(playing)
@@ -189,14 +189,14 @@ void IMIA1(void) /* Timer 1 interrupt */
 #endif
 }
 
-void IRQ6(void) __attribute__((interrupt_handler));
+void IRQ6(void) __attribute__((interrupt_handler)) USED_ATTR;
 void IRQ6(void) /* PB14: MAS stop demand IRQ */
 {
     SCR0 &= ~0x80;
 }
 
 #if (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F)
-void IRQ3(void) __attribute__((interrupt_handler));
+void IRQ3(void) __attribute__((interrupt_handler)) USED_ATTR;
 void IRQ3(void) /* PA15: MAS demand IRQ */
 {
     /* Begin with setting the IRQ to edge sensitive */
diff --git a/firmware/target/sh/archos/timer-archos.c b/firmware/target/sh/archos/timer-archos.c
index 98a3afb4b6..251d68638a 100644
--- a/firmware/target/sh/archos/timer-archos.c
+++ b/firmware/target/sh/archos/timer-archos.c
@@ -23,7 +23,7 @@
 #include "system.h"
 #include "timer.h"
 
-void IMIA4(void) __attribute__((interrupt_handler));
+void IMIA4(void) __attribute__((interrupt_handler)) USED_ATTR;
 void IMIA4(void)
 {
     if (pfn_timer != NULL)