Module Name: src
Committed By: matt
Date: Thu Jul 18 12:16:40 UTC 2013
Modified Files:
src/sys/lib/libkern/arch/m68k: random.S
Log Message:
Don't use %d2 (violates the ABI since it wasn't saved), use %a0 instead.
Use a pcrelative access for the local data avoiding the GOT.
To generate a diff of this commit:
cvs rdiff -u -r1.4 -r1.5 src/sys/lib/libkern/arch/m68k/random.S
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/lib/libkern/arch/m68k/random.S
diff -u src/sys/lib/libkern/arch/m68k/random.S:1.4 src/sys/lib/libkern/arch/m68k/random.S:1.5
--- src/sys/lib/libkern/arch/m68k/random.S:1.4 Tue Jan 6 01:24:56 2009
+++ src/sys/lib/libkern/arch/m68k/random.S Thu Jul 18 12:16:40 2013
@@ -1,4 +1,4 @@
-/* $NetBSD: random.S,v 1.4 2009/01/06 01:24:56 pooka Exp $ */
+/* $NetBSD: random.S,v 1.5 2013/07/18 12:16:40 matt Exp $ */
/*
* Copyright (c) 1990,1993 The Regents of the University of California.
@@ -48,22 +48,14 @@ ASLOCAL(randseed)
ENTRY(random)
movl #16807, %d0
-#ifdef PIC
- lea %pc@(_GLOBAL_OFFSET_TABLE_@GOTPC), %a0
- movl _ASM_LABEL(randseed)@GOT(%a0), %d2
- mulsl (%d2), %d1:%d0
-#else
- mulsl _ASM_LABEL(randseed), %d1:%d0
-#endif
+ LEA_LCL(_ASM_LABEL(randseed),%a0)
+ mulsl (%a0), %d1:%d0
lsll #1, %d0
roxll #2, %d1
addl %d1, %d0
moveql #1, %d1
addxl %d1, %d0
lsrl #1, %d0
-#ifdef PIC
- movl %d0, (%d2)
-#else
- movl %d0, _ASM_LABEL(randseed)
-#endif
+ movl %d0, (%a0)
rts
+END(random)
