diff options
| -rw-r--r-- | arch/powerpc/kernel/misc_32.S | 14 | ||||
| -rw-r--r-- | arch/powerpc/kernel/ppc_ksyms.c | 2 |
2 files changed, 16 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/misc_32.S b/arch/powerpc/kernel/misc_32.S index 2b0ad9845363..e47d268727a4 100644 --- a/arch/powerpc/kernel/misc_32.S +++ b/arch/powerpc/kernel/misc_32.S @@ -659,6 +659,20 @@ _GLOBAL(__lshrdi3) blr /* + * 64-bit comparison: __cmpdi2(s64 a, s64 b) + * Returns 0 if a < b, 1 if a == b, 2 if a > b. + */ +_GLOBAL(__cmpdi2) + cmpw r3,r5 + li r3,1 + bne 1f + cmplw r4,r6 + beqlr +1: li r3,0 + bltlr + li r3,2 + blr +/* * 64-bit comparison: __ucmpdi2(u64 a, u64 b) * Returns 0 if a < b, 1 if a == b, 2 if a > b. */ diff --git a/arch/powerpc/kernel/ppc_ksyms.c b/arch/powerpc/kernel/ppc_ksyms.c index 60bbeb29f9b8..d8c34073b42a 100644 --- a/arch/powerpc/kernel/ppc_ksyms.c +++ b/arch/powerpc/kernel/ppc_ksyms.c @@ -145,6 +145,8 @@ EXPORT_SYMBOL(__ashldi3); EXPORT_SYMBOL(__lshrdi3); int __ucmpdi2(unsigned long long, unsigned long long); EXPORT_SYMBOL(__ucmpdi2); +int __cmpdi2(long long, long long); +EXPORT_SYMBOL(__cmpdi2); #endif long long __bswapdi2(long long); EXPORT_SYMBOL(__bswapdi2); |