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-rw-r--r--libkern/strcmp-power.s21
1 files changed, 21 insertions, 0 deletions
diff --git a/libkern/strcmp-power.s b/libkern/strcmp-power.s
new file mode 100644
index 00000000..0aef5b29
--- /dev/null
+++ b/libkern/strcmp-power.s
@@ -0,0 +1,21 @@
+TEXT strcmp(SB), $0
+
+ MOVW s2+4(FP), R4
+
+ SUB $1, R3
+ SUB $1, R4
+l1:
+ MOVBZU 1(R3), R5
+ MOVBZU 1(R4), R6
+ CMP R5, R6
+ BNE ne
+ CMP R5, $0
+ BNE l1
+ MOVW $0, R3
+ RETURN
+ne:
+ MOVW $1, R3
+ BGT ret
+ MOVW $-1, R3
+ret:
+ RETURN