Currently, for arm-* archs, TARGET_BIG_ENDIAN_DEFAULT is only set in
the case branch for arm*-*-linux-*, not for other arm architectures.
We're compiling for the TI TMS570, which is a big-endian processor,
with target set to armeb-unknown-eabi. The following patch moves the
big-endian check out of the big architecture case, so that
TARGET_BIG_ENDIAN_DEFAULT is consistently set for any armeb-*-*
target.
We've been using this with good results for over a year at Google on
TMS570 processors.
This fixes bug 52187 - armeb-unknown-eabi not recognized as big-endian.
Seth LaForge
gcc/
* config.gcc: Add TARGET_BIG_ENDIAN_DEFAULT=1 for all arm*b archs.
diff -u -r gcc-4.8-20130210/gcc/config.gcc gcc-4.8-20130210.new/gcc/config.gcc
--- gcc-4.8-20130210/gcc/config.gcc 2013-02-08 08:02:47.000000000 -0800
+++ gcc-4.8-20130210.new/gcc/config.gcc 2013-02-14 16:37:14.282107219 -0800
@@ -809,6 +809,13 @@
;;
esac
+# Handle big-endian ARM architectures.
+case ${target} in
+arm*b-*-*)
+ tm_defines="${tm_defines} TARGET_BIG_ENDIAN_DEFAULT=1"
+ ;;
+esac
+
case ${target} in
aarch64*-*-elf)
tm_file="${tm_file} dbxelf.h elfos.h newlib-stdint.h"
@@ -867,11 +874,6 @@
;;
arm*-*-linux-*) # ARM GNU/Linux with ELF
tm_file="dbxelf.h elfos.h gnu-user.h linux.h linux-android.h
glibc-stdint.h arm/elf.h arm/linux-gas.h arm/linux-elf.h"
- case $target in
- arm*b-*-linux*)
- tm_defines="${tm_defines} TARGET_BIG_ENDIAN_DEFAULT=1"
- ;;
- esac
tmake_file="${tmake_file} arm/t-arm arm/t-arm-elf arm/t-bpabi
arm/t-linux-eabi"
tm_file="$tm_file arm/bpabi.h arm/linux-eabi.h arm/aout.h arm/arm.h"
# Define multilib configuration for arm-linux-androideabi.
