sh: New gcc support

New gcc (4.8 or later) used new shift helper functions.
So we need added new helper to private libgcc.

Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Rich Felker <dalias@libc.org>

4 files changed, 78 insertions, 27 deletions

diff --git a/arch/sh/kernel/sh_ksyms_32.c b/arch/sh/kernel/sh_ksyms_32.c
index d77f2f6c7ff0..0b30b9dfc87f 100644
--- a/arch/sh/kernel/sh_ksyms_32.c
+++ b/arch/sh/kernel/sh_ksyms_32.c
@@ -34,6 +34,9 @@ DECLARE_EXPORT(__sdivsi3);
 DECLARE_EXPORT(__lshrsi3);
 DECLARE_EXPORT(__ashrsi3);
 DECLARE_EXPORT(__ashlsi3);
+DECLARE_EXPORT(__lshrsi3_r0);
+DECLARE_EXPORT(__ashrsi3_r0);
+DECLARE_EXPORT(__ashlsi3_r0);
 DECLARE_EXPORT(__ashiftrt_r4_6);
 DECLARE_EXPORT(__ashiftrt_r4_7);
 DECLARE_EXPORT(__ashiftrt_r4_8);
diff --git a/arch/sh/lib/ashlsi3.S b/arch/sh/lib/ashlsi3.S
index bd47e9b403a5..70a6434945ab 100644
--- a/arch/sh/lib/ashlsi3.S
+++ b/arch/sh/lib/ashlsi3.S
@@ -54,21 +54,38 @@ Boston, MA 02110-1301, USA.  */
 !
 ! (none)
 !
+! __ashlsi3_r0
+!
+! Entry:
+!
+! r4: Value to shift
+! r0: Shifts
+!
+! Exit:
+!
+! r0: Result
+!
+! Destroys:
+!
+! (none)
+
+
         .global __ashlsi3
+        .global __ashlsi3_r0
         
         .align  2
 __ashlsi3:
-        mov     #31,r0
-        and     r0,r5
+        mov     r5,r0
+        .align  2
+__ashlsi3_r0:
+        and     #31,r0
+        mov.l   r4,@-r15
+        mov     r0,r4
         mova    ashlsi3_table,r0
-        mov.b   @(r0,r5),r5
-#ifdef __sh1__
-        add     r5,r0
+        mov.b   @(r0,r4),r4
+        add     r4,r0
         jmp     @r0
-#else
-        braf    r5
-#endif
-        mov     r4,r0
+        mov.l   @r15+,r0
 
         .align  2
 ashlsi3_table:
diff --git a/arch/sh/lib/ashrsi3.S b/arch/sh/lib/ashrsi3.S
index 6f3cf46b77c2..602599d80209 100644
--- a/arch/sh/lib/ashrsi3.S
+++ b/arch/sh/lib/ashrsi3.S
@@ -54,22 +54,37 @@ Boston, MA 02110-1301, USA.  */
 !
 ! (none)
 !
+! __ashrsi3_r0
+!
+! Entry:
+!
+! r4: Value to shift
+! r0: Shifts
+!
+! Exit:
+!
+! r0: Result
+!
+! Destroys:
+!
+! (none)
 
         .global __ashrsi3
+        .global __ashrsi3_r0
         
         .align  2
 __ashrsi3:
-        mov     #31,r0
-        and     r0,r5
+        mov     r5,r0
+        .align  2
+__ashrsi3_r0:
+        and     #31,r0
+        mov.l   r4,@-r15
+        mov     r0,r4
         mova    ashrsi3_table,r0
-        mov.b   @(r0,r5),r5
-#ifdef __sh1__
-        add     r5,r0
+        mov.b   @(r0,r4),r4
+        add     r4,r0
         jmp     @r0
-#else
-        braf    r5
-#endif
-        mov     r4,r0
+        mov.l   @r15+,r0
 
         .align  2
 ashrsi3_table:
diff --git a/arch/sh/lib/lshrsi3.S b/arch/sh/lib/lshrsi3.S
index 1e7aaa557130..f2a6959f526d 100644
--- a/arch/sh/lib/lshrsi3.S
+++ b/arch/sh/lib/lshrsi3.S
@@ -54,21 +54,37 @@ Boston, MA 02110-1301, USA.  */
 !
 ! (none)
 !
+! __lshrsi3_r0
+!
+! Entry:
+!
+! r0: Value to shift
+! r5: Shifts
+!
+! Exit:
+!
+! r0: Result
+!
+! Destroys:
+!
+! (none)
+!
         .global __lshrsi3
+        .global __lshrsi3_r0
         
         .align  2
 __lshrsi3:
-        mov     #31,r0
-        and     r0,r5
+        mov     r5,r0
+        .align  2
+__lshrsi3_r0:
+        and     #31,r0
+        mov.l   r4,@-r15
+        mov     r0,r4
         mova    lshrsi3_table,r0
-        mov.b   @(r0,r5),r5
-#ifdef __sh1__
-        add     r5,r0
+        mov.b   @(r0,r4),r4
+        add     r4,r0
         jmp     @r0
-#else
-        braf    r5
-#endif
-        mov     r4,r0
+        mov.l   @r15+,r0
 
         .align  2
 lshrsi3_table: