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>

diff --git a/arch/sh/kernel/sh_ksyms_32.c b/arch/sh/kernel/sh_ksyms_32.c
index d77f2f6..0b30b9d 100644 (file)
--- 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 bd47e9b..70a6434 100644 (file)
--- 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 6f3cf46..602599d 100644 (file)
--- 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 1e7aaa5..f2a6959 100644 (file)
--- 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: