crosstool-ng/patches/newlib/2.0.0/100-fix-unaligned-access-memcpy-m68k.patch
Alexey Neyman a1c3039811 Sort out newlib patches
- Existing 110-fix-eabihf.patch did not apply to 1.20.0 and earlier
- This patch is also applicable to 2.x versions
- The patch needs to be applied to both configure.in/configure
- Existing 200-optimising-for-space.patch also applies to all versions
  before 2.4.0
- Similar issues exist in other config/mt-* files
- m68k patch is applicable to 2.* versions

Signed-off-by: Alexey Neyman <stilor@att.net>
2017-04-11 01:18:19 -07:00

28 lines
1.1 KiB
Diff

The m68k mcpu processor does not like unaligned access
Disable at least mcpu32, m68010 and m68020. These processors certainly
do not like unaligned accesses.
Signed-off-by: Remy Bohmer <linux@bohmer.net>
[yann.morin.1998@anciens.enib.fr: update for 1.19.0 from 1.18.0]
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
[austinpmorton@gmail.com: update for 1.20.0 from 1.19.0]
Signed-off-by: Austin Morton <austinpmorton@gmail.com>
---
newlib/libc/machine/m68k/memcpy.S | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
Index: newlib-1.20.0/newlib/libc/machine/m68k/memcpy.S
===================================================================
--- newlib-1.20.0.orig/newlib/libc/machine/m68k/memcpy.S
+++ newlib-1.20.0/newlib/libc/machine/m68k/memcpy.S
@@ -15,7 +15,7 @@
#include "m68kasm.h"
-#if defined (__mcoldfire__) || defined (__mc68010__) || defined (__mc68020__) || defined (__mc68030__) || defined (__mc68040__) || defined (__mc68060__)
+#if defined (__mcoldfire__) || defined (__mc68030__) || defined (__mc68040__) || defined (__mc68060__)
# define MISALIGNED_OK 1
#else
# define MISALIGNED_OK 0