The Lpartial subfunction is entered with plain call instructions,
and the win64 epilogue should only run when actually exiting the
whole salsa20_crypt function.
---
x86_64/salsa20-crypt.asm | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/x86_64/salsa20-crypt.asm b/x86_64/salsa20-crypt.asm
index 25b7e49..9d1b53d 100644
--- a/x86_64/salsa20-crypt.asm
+++ b/x86_64/salsa20-crypt.asm
@@ -224,10 +224,11 @@ PROLOGUE(nettle_salsa20_crypt)
shr $16, XREG(T64)
.Llt2:
test $1, LENGTH
- jz .Lend
+ jz .Lret
xor (SRC, POS), LREG(T64)
mov LREG(T64), (DST, POS)
- jmp .Lend
+.Lret:
+ ret
EPILOGUE(nettle_salsa20_crypt)
--
1.7.9.5
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