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path: root/zap/source/amd64/mem/strlen.S
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Diffstat (limited to 'zap/source/amd64/mem/strlen.S')
-rw-r--r--zap/source/amd64/mem/strlen.S1
1 files changed, 1 insertions, 0 deletions
diff --git a/zap/source/amd64/mem/strlen.S b/zap/source/amd64/mem/strlen.S
index bd83008..e8739e2 100644
--- a/zap/source/amd64/mem/strlen.S
+++ b/zap/source/amd64/mem/strlen.S
@@ -6,6 +6,7 @@
zap_strlen:
# rax: Address of the current character.
+ # rdi: Address of the first character.
# rdx: Current character.
movq %rdi,%rax