Clear the register stack frame before using loadrs to invalidate the

stacked registers.
svn path=/head/; revision=67211
2000-10-16 16:59:32 +00:00 · 2000-10-16 16:59:32 +00:00 · 4f8d61b521 · 2020-12-20 02:59:44 +00:00
commit 4f8d61b521
parent 48ac0f7c79
1 changed files with 1 additions and 0 deletions
--- a/sys/ia64/ia64/swtch.s
+++ b/sys/ia64/ia64/swtch.s
@ -293,6 +293,7 @@ ENTRY(cpu_switch, 0)
 	mov	ar.bspstore=r18 ;;
 	mov	ar.rnat=r19
 	mov	pr=r20,0x1ffff
+	alloc	r14=ar.pfs,0,0,0,0	// lose current frame
 	;;
 	loadrs
 	mov	ar.rsc=3		// restart RSE