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patches/gcc/4.3.3/310-arm-softfloat.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 Original patch from: ../4.3.2/310-arm-softfloat.patch

     2 

     3 -= BEGIN original header =-

     4 -= END original header =-

     5 

     6 diff -durN gcc-4.3.3.orig/gcc/config/arm/linux-elf.h gcc-4.3.3/gcc/config/arm/linux-elf.h

     7 --- gcc-4.3.3.orig/gcc/config/arm/linux-elf.h	2007-11-08 14:44:09.000000000 +0100

     8 +++ gcc-4.3.3/gcc/config/arm/linux-elf.h	2009-01-27 22:25:47.000000000 +0100

     9 @@ -60,7 +60,7 @@

    10     %{shared:-lc} \

    11     %{!shared:%{profile:-lc_p}%{!profile:-lc}}"

    12  

    13 -#define LIBGCC_SPEC "%{msoft-float:-lfloat} %{mfloat-abi=soft*:-lfloat} -lgcc"

    14 +#define LIBGCC_SPEC "-lgcc"

    15  

    16  #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.2"

    17  

    18 diff -durN gcc-4.3.3.orig/gcc/config/arm/t-linux gcc-4.3.3/gcc/config/arm/t-linux

    19 --- gcc-4.3.3.orig/gcc/config/arm/t-linux	2006-11-09 23:14:27.000000000 +0100

    20 +++ gcc-4.3.3/gcc/config/arm/t-linux	2009-01-27 22:25:47.000000000 +0100

    21 @@ -3,7 +3,12 @@

    22  TARGET_LIBGCC2_CFLAGS = -fomit-frame-pointer -fPIC

    23  

    24  LIB1ASMSRC = arm/lib1funcs.asm

    25 -LIB1ASMFUNCS = _udivsi3 _divsi3 _umodsi3 _modsi3 _dvmd_lnx

    26 +LIB1ASMFUNCS = _udivsi3 _divsi3 _umodsi3 _modsi3 _dvmd_tls _bb_init_func \

    27 +	_call_via_rX _interwork_call_via_rX \

    28 +	_lshrdi3 _ashrdi3 _ashldi3 \

    29 +	_negdf2 _addsubdf3 _muldivdf3 _cmpdf2 _unorddf2 _fixdfsi _fixunsdfsi \

    30 +	_truncdfsf2 _negsf2 _addsubsf3 _muldivsf3 _cmpsf2 _unordsf2 \

    31 +	_fixsfsi _fixunssfsi _floatdidf _floatdisf _floatundidf _floatundisf

    32  

    33  # MULTILIB_OPTIONS = mhard-float/msoft-float

    34  # MULTILIB_DIRNAMES = hard-float soft-float
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