From dd6c33d34d9925a7c02284c47a86afa4bf117237 Mon Sep 17 00:00:00 2001
From: Martin Kroeker <martin@ruby.chemie.uni-freiburg.de>
Date: Fri, 19 Jul 2024 16:14:55 +0200
Subject: [PATCH] make NAN handling depend on dummy2 parameter

---
 kernel/x86/scal.S | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/kernel/x86/scal.S b/kernel/x86/scal.S
index b0c232b1b..7e12a52ab 100644
--- a/kernel/x86/scal.S
+++ b/kernel/x86/scal.S
@@ -57,19 +57,24 @@
 #ifdef XDOUBLE
 	movl	44(%esp),%edi
 	movl	48(%esp),%esi
+	movl    64(%esp),%ecx
 #elif defined(DOUBLE)
 	movl	36(%esp),%edi
 	movl	40(%esp),%esi
+	movl	56(%esp),%ecx
 #else
 	movl	32(%esp),%edi
 	movl	36(%esp),%esi
+	movl	54(%esp),%ecx
 #endif
 
 	ftst
 	fnstsw	%ax
 	andb	$68, %ah
-//	je	.L300		# Alpha != ZERO
-	jmp	.L300
+	je	.L300		# Alpha != ZERO
+
+	cmpl	$1,%ecx		# dummy2 flag
+	je	.L300
 
 /* Alpha == ZERO */
 	cmpl	$1,%esi