Merge pull request #9645 from SparkiDev/curve25519_invert_nct_x64_asm_fix

Curve25519 x64 ASM: nct invert needs vzeroupper

Author: douzzer

wolfcrypt/src/fe_x25519_asm.S

@@ -21779,6 +21779,7 @@ L__mod_inv_avx2__3_no_add_prime:
         movq	%r8, 8(%rdi)
         movq	%r10, 16(%rdi)
         movq	%r12, 24(%rdi)
+        vzeroupper
         popq	%rbx
         popq	%r15
         popq	%r14