bn/asm/rsaz-avx2.pl: fix occasional failures.

diff --git a/crypto/bn/asm/rsaz-avx2.pl b/crypto/bn/asm/rsaz-avx2.pl
index dd83ed6239707a4b466e189d1e40bae35c785b2b..931dd5a7d26e9a439313e1505625a90ebfd1896c 100755 (executable)
--- a/crypto/bn/asm/rsaz-avx2.pl
+++ b/crypto/bn/asm/rsaz-avx2.pl
@@ -991,6 +991,7 @@ $code.=<<___;
 
        vmovdqu .Land_mask(%rip), $AND_MASK
        mov     \$9, $i
+       vmovdqu $ACC9, 32*9-128($rp)            # $ACC9 is zero after vzeroall
        jmp     .Loop_mul_1024
 
 .align 32