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>
diff --git a/arch/sh/lib64/sdivsi3.S b/arch/sh/lib64/sdivsi3.S
index 6a800c6..1963bbd 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
