From: miod <miod@openbsd.org>
Date: Fri, 29 Mar 2024 21:20:03 +0000 (+0000)
Subject: STACKFRAME macro is always invoked on a well-formed 64-bit stack, no need
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=25859481851cdc351e24dec4ad34b24923d60fcc;p=openbsd

STACKFRAME macro is always invoked on a well-formed 64-bit stack, no need
to check for missing BIAS.

ok claudio@ kettenis@
---

diff --git a/sys/arch/sparc64/sparc64/locore.s b/sys/arch/sparc64/sparc64/locore.s
index 376ea82b7d0..2c134c2bb68 100644
--- a/sys/arch/sparc64/sparc64/locore.s
+++ b/sys/arch/sparc64/sparc64/locore.s
@@ -1,4 +1,4 @@
-/*	$OpenBSD: locore.s,v 1.210 2024/03/29 21:18:19 miod Exp $	*/
+/*	$OpenBSD: locore.s,v 1.211 2024/03/29 21:20:03 miod Exp $	*/
 /*	$NetBSD: locore.s,v 1.137 2001/08/13 06:10:10 jdolecek Exp $	*/
 
 /*
@@ -265,16 +265,11 @@ sun4u_mtp_patch_end:
 	.text
 
 /*
- * Handy stack conversion macros.
- * Correctly switch to a 64-bit stack
- * regardless of the current stack.
+ * Reserve the given room on stack.
  */
 
 	.macro STACKFRAME size
 	save	%sp, \size, %sp
-	add	%sp, -BIAS, %o0		! Convert to 64-bits
-	andcc	%sp, 1, %g0		! 64-bit stack?
-	movz	%icc, %o0, %sp
 	.endm