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authorCharles.Forsyth <devnull@localhost>2006-12-22 17:07:39 +0000
committerCharles.Forsyth <devnull@localhost>2006-12-22 17:07:39 +0000
commit37da2899f40661e3e9631e497da8dc59b971cbd0 (patch)
treecbc6d4680e347d906f5fa7fca73214418741df72 /libkern/strchr-power.s
parent54bc8ff236ac10b3eaa928fd6bcfc0cdb2ba46ae (diff)
20060303a
Diffstat (limited to 'libkern/strchr-power.s')
-rw-r--r--libkern/strchr-power.s16
1 files changed, 16 insertions, 0 deletions
diff --git a/libkern/strchr-power.s b/libkern/strchr-power.s
new file mode 100644
index 00000000..1cfc0bbe
--- /dev/null
+++ b/libkern/strchr-power.s
@@ -0,0 +1,16 @@
+/*
+ * BUG: it's slow
+ */
+ TEXT strchr(SB), $0
+ MOVBZ c+7(FP), R4
+ SUB $1, R3
+l1:
+ MOVBZU 1(R3), R6
+ CMP R6, R4
+ BEQ eq
+ CMP R6, $0
+ BNE l1
+nf:
+ MOVW $0, R3
+eq:
+ RETURN