Mercurialcrosstool-ng / file revision
summary | shortlog | changelog | graph | tags | branches | files | changeset | file | latest | revisions | annotate | diff | raw | help
patches/gcc/4.3.4/390-unbreak-armv4t.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Wed Sep 09 00:02:01 2009 +0200 (2009-09-09)
changeset 1525 4647e6fb994a
permissions -rw-r--r--
gcc: add patch to fix EABI for armv4t

As pointed out by Martin GUY, gcc incorrectly generates armv5t
instrcutions for EABI, even for cores that are an armv4t.
The new patch (for the 4.3 series) fixes the problem by downgrading
the default CPU for EABI to being an armv4t core. 
     1 --- gcc-4.3.2.orig/gcc/config/arm/linux-eabi.h	2009-09-08 23:46:44.000000000 +0200

     2 +++ gcc-4.3.2/gcc/config/arm/linux-eabi.h	2009-09-08 23:46:51.000000000 +0200

     3 @@ -44,7 +44,7 @@

     4     The ARM10TDMI core is the default for armv5t, so set

     5     SUBTARGET_CPU_DEFAULT to achieve this.  */

     6  #undef  SUBTARGET_CPU_DEFAULT

     7 -#define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm10tdmi

     8 +#define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm9tdmi

     9  

    10  /* TARGET_BIG_ENDIAN_DEFAULT is set in

    11     config.gcc for big endian configurations.  */
crosstool-ng