sh: Provide an __sdivsi3_2 export for sh64.

Newer code paths that are heavier in 64-bit math manage to get this
generated by newer compilers, provide a definition and export
accordingly. This is trivially wrapped around the existing __sdivsi3
code.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

2 files changed, 7 insertions, 1 deletions

diff --git a/arch/sh/kernel/sh_ksyms_64.c b/arch/sh/kernel/sh_ksyms_64.c
index 0d74d6b8774..8f54ef0cfbc 100644
--- a/arch/sh/kernel/sh_ksyms_64.c
+++ b/arch/sh/kernel/sh_ksyms_64.c
@@ -76,5 +76,7 @@ EXPORT_SYMBOL(strcpy);
 #define DECLARE_EXPORT(name) extern void name(void);EXPORT_SYMBOL(name)
 
 DECLARE_EXPORT(__sdivsi3);
+DECLARE_EXPORT(__sdivsi3_1);
+DECLARE_EXPORT(__sdivsi3_2);
 DECLARE_EXPORT(__udivsi3);
 DECLARE_EXPORT(__div_table);
diff --git a/arch/sh/lib64/sdivsi3.S b/arch/sh/lib64/sdivsi3.S
index 6a800c6a490..1963bbd4228 100644
--- a/arch/sh/lib64/sdivsi3.S
+++ b/arch/sh/lib64/sdivsi3.S
@@ -1,4 +1,6 @@
         .global __sdivsi3
+        .global __sdivsi3_1
+        .global __sdivsi3_2
         .section        .text..SHmedia32,"ax"
         .align  2
 
@@ -6,13 +8,15 @@
         /* clobbered: r1,r18,r19,r20,r21,r25,tr0 */
         /* result in r0 */
 __sdivsi3:
+__sdivsi3_1:
         ptb __div_table,tr0
+        gettr tr0,r20
 
+__sdivsi3_2:
         nsb r5, r1
         shlld r5, r1, r25    /* normalize; [-2 ..1, 1..2) in s2.62 */
         shari r25, 58, r21   /* extract 5(6) bit index (s2.4 with hole -1..1) */
         /* bubble */
-        gettr tr0,r20
         ldx.ub r20, r21, r19 /* u0.8 */
         shari r25, 32, r25   /* normalize to s2.30 */
         shlli r21, 1, r21