aboutsummaryrefslogtreecommitdiff
path: root/arch/powerpc/kernel/misc_32.S
diff options
context:
space:
mode:
authorDmitry Torokhov <dmitry.torokhov@gmail.com>2008-04-01 00:22:26 -0400
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2008-04-01 00:22:26 -0400
commit399f486286f44d55c4fff0e9cc5d712f2b443489 (patch)
tree0c2820b3e04232eaa96f08c1057b87728fb3e7a4 /arch/powerpc/kernel/misc_32.S
parent481419ec9fbdf3f4ec5389c7e91a81b4a7ebee8d (diff)
parenta9edadbf790d72adf6ebed476cb5caf7743e7e4a (diff)
Merge master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6 into for-linus
Diffstat (limited to 'arch/powerpc/kernel/misc_32.S')
-rw-r--r--arch/powerpc/kernel/misc_32.S15
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/misc_32.S b/arch/powerpc/kernel/misc_32.S
index 5c2e253ddfb..9d2c56621f1 100644
--- a/arch/powerpc/kernel/misc_32.S
+++ b/arch/powerpc/kernel/misc_32.S
@@ -785,6 +785,21 @@ _GLOBAL(__lshrdi3)
or r4,r4,r7 # LSW |= t2
blr
+/*
+ * 64-bit comparison: __ucmpdi2(u64 a, u64 b)
+ * Returns 0 if a < b, 1 if a == b, 2 if a > b.
+ */
+_GLOBAL(__ucmpdi2)
+ cmplw r3,r5
+ li r3,1
+ bne 1f
+ cmplw r4,r6
+ beqlr
+1: li r3,0
+ bltlr
+ li r3,2
+ blr
+
_GLOBAL(abs)
srawi r4,r3,31
xor r3,r3,r4