Fix ChaCha assembly code on 32-bit HPUX itanium systems

This fixes the reported crashes 32-bit HPUX systems due to raw out and inp pointer values, and adds one nop instruction on 64-bit systems, like it is done in other assembly modules for those systems. The fix was tested by @johnkohl-hcl see: openssl#17067 (comment) Fixes openssl#17067 Reviewed-by: Hugo Landau <[email protected]> Reviewed-by: Paul Dale <[email protected]> Reviewed-by: Tomas Mraz <[email protected]> (Merged from openssl#21681)
siemens · Aug 9, 2023 · 6d38cce · 6d38cce
1 parent 9607f5c
commit 6d38cce
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/crypto/chacha/asm/chacha-ia64.pl b/crypto/chacha/asm/chacha-ia64.pl
@@ -46,6 +46,8 @@
 	ADDP		@k[11]=4,$key
 	.save		ar.lc,r3
 	mov		r3=ar.lc		}
+{ .mmi;	ADDP		$out=0,$out
+	ADDP		$inp=0,$inp		}
 { .mmi;	ADDP		$key=0,$key
 	ADDP		$counter=0,$counter
 	.save		pr,r14