yann@339: diff -durN gcc-3.4.6.orig/gcc/config/arm/coff.h gcc-3.4.6/gcc/config/arm/coff.h
yann@339: --- gcc-3.4.6.orig/gcc/config/arm/coff.h	2004-02-24 15:25:22.000000000 +0100
yann@339: +++ gcc-3.4.6/gcc/config/arm/coff.h	2007-08-15 23:10:54.000000000 +0200
yann@339: @@ -31,11 +31,16 @@
yann@339:  #define TARGET_VERSION fputs (" (ARM/coff)", stderr)
yann@339:  
yann@339:  #undef  TARGET_DEFAULT
yann@339: -#define TARGET_DEFAULT (ARM_FLAG_SOFT_FLOAT | ARM_FLAG_APCS_32 | ARM_FLAG_APCS_FRAME | ARM_FLAG_MMU_TRAPS)
yann@339: +#define TARGET_DEFAULT		\
yann@339: +	( ARM_FLAG_SOFT_FLOAT	\
yann@339: +	| ARM_FLAG_VFP		\
yann@339: +	| ARM_FLAG_APCS_32	\
yann@339: +	| ARM_FLAG_APCS_FRAME	\
yann@339: +	| ARM_FLAG_MMU_TRAPS )
yann@339:  
yann@339:  #ifndef MULTILIB_DEFAULTS
yann@339:  #define MULTILIB_DEFAULTS \
yann@339: -  { "marm", "mlittle-endian", "msoft-float", "mapcs-32", "mno-thumb-interwork" }
yann@339: +  { "marm", "mlittle-endian", "mapcs-32", "mno-thumb-interwork" }
yann@339:  #endif
yann@339:  
yann@339:  /* This is COFF, but prefer stabs.  */
yann@339: diff -durN gcc-3.4.6.orig/gcc/config/arm/elf.h gcc-3.4.6/gcc/config/arm/elf.h
yann@339: --- gcc-3.4.6.orig/gcc/config/arm/elf.h	2004-02-24 15:25:22.000000000 +0100
yann@339: +++ gcc-3.4.6/gcc/config/arm/elf.h	2007-08-15 23:10:54.000000000 +0200
yann@339: @@ -46,7 +46,9 @@
yann@339:  
yann@339:  #ifndef SUBTARGET_ASM_FLOAT_SPEC
yann@339:  #define SUBTARGET_ASM_FLOAT_SPEC "\
yann@339: -%{mapcs-float:-mfloat} %{msoft-float:-mfpu=softfpa}"
yann@339: +%{mapcs-float:-mfloat} \
yann@339: +%{mhard-float:-mfpu=fpa} \
yann@339: +%{!mhard-float: %{msoft-float:-mfpu=softfpa} %{!msoft-float:-mfpu=softvfp}}"
yann@339:  #endif
yann@339:  
yann@339:  #ifndef ASM_SPEC
yann@339: @@ -106,12 +108,17 @@
yann@339:  #endif
yann@339:  
yann@339:  #ifndef TARGET_DEFAULT
yann@339: -#define TARGET_DEFAULT (ARM_FLAG_SOFT_FLOAT | ARM_FLAG_APCS_32 | ARM_FLAG_APCS_FRAME | ARM_FLAG_MMU_TRAPS)
yann@339: +#define TARGET_DEFAULT		\
yann@339: +	( ARM_FLAG_SOFT_FLOAT	\
yann@339: +	| ARM_FLAG_VFP		\
yann@339: +	| ARM_FLAG_APCS_32	\
yann@339: +	| ARM_FLAG_APCS_FRAME	\
yann@339: +	| ARM_FLAG_MMU_TRAPS )
yann@339:  #endif
yann@339:  
yann@339:  #ifndef MULTILIB_DEFAULTS
yann@339:  #define MULTILIB_DEFAULTS \
yann@339: -  { "marm", "mlittle-endian", "msoft-float", "mapcs-32", "mno-thumb-interwork", "fno-leading-underscore" }
yann@339: +  { "marm", "mlittle-endian", "mapcs-32", "mno-thumb-interwork", "fno-leading-underscore" }
yann@339:  #endif
yann@339:  
yann@339:  #define TARGET_ASM_FILE_START_APP_OFF true
yann@339: diff -durN gcc-3.4.6.orig/gcc/config/arm/linux-elf.h gcc-3.4.6/gcc/config/arm/linux-elf.h
yann@339: --- gcc-3.4.6.orig/gcc/config/arm/linux-elf.h	2007-08-15 23:07:00.000000000 +0200
yann@339: +++ gcc-3.4.6/gcc/config/arm/linux-elf.h	2007-08-15 23:10:54.000000000 +0200
yann@339: @@ -44,12 +44,26 @@
yann@339:  #define TARGET_LINKER_EMULATION "armelf_linux"
yann@339:  #endif
yann@339:  
yann@339: -/* Default is to use APCS-32 mode.  */
yann@339: +/*
yann@339: + * Default is to use APCS-32 mode with soft-vfp.
yann@339: + * The old Linux default for floats can be achieved with -mhard-float
yann@339: + * or with the configure --with-float=hard option.
yann@339: + * If -msoft-float or --with-float=soft is used then software float 
yann@339: + * support will be used just like the default but with the legacy
yann@339: + * big endian word ordering for double float representation instead.
yann@339: + */
yann@339:  #undef  TARGET_DEFAULT
yann@339: -#define TARGET_DEFAULT \
yann@339: -		( ARM_FLAG_APCS_32 | \
yann@339: -		  ARM_FLAG_MMU_TRAPS | \
yann@339: -		  TARGET_ENDIAN_DEFAULT )
yann@339: +#define TARGET_DEFAULT		\
yann@339: +	( ARM_FLAG_APCS_32	\
yann@339: +	| ARM_FLAG_SOFT_FLOAT	\
yann@339: +	| TARGET_ENDIAN_DEFAULT	\
yann@339: +	| ARM_FLAG_VFP		\
yann@339: +	| ARM_FLAG_MMU_TRAPS )
yann@339: +
yann@339: +#undef  SUBTARGET_EXTRA_ASM_SPEC
yann@339: +#define SUBTARGET_EXTRA_ASM_SPEC "\
yann@339: +%{mhard-float:-mfpu=fpa} \
yann@339: +%{!mhard-float: %{msoft-float:-mfpu=softfpa} %{!msoft-float:-mfpu=softvfp}}"
yann@339:  
yann@339:  #define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm6
yann@339:  
yann@339: @@ -57,7 +71,7 @@
yann@339:  
yann@339:  #undef  MULTILIB_DEFAULTS
yann@339:  #define MULTILIB_DEFAULTS \
yann@339: -	{ "marm", TARGET_ENDIAN_OPTION, "mhard-float", "mapcs-32", "mno-thumb-interwork" }
yann@339: +	{ "marm", TARGET_ENDIAN_OPTION, "mapcs-32", "mno-thumb-interwork" }
yann@339:  
yann@339:  #define CPP_APCS_PC_DEFAULT_SPEC "-D__APCS_32__"
yann@339:  
yann@339: @@ -72,7 +86,7 @@
yann@339:     %{shared:-lc} \
yann@339:     %{!shared:%{profile:-lc_p}%{!profile:-lc}}"
yann@339:  
yann@339: -#define LIBGCC_SPEC "%{msoft-float:-lfloat} -lgcc"
yann@339: +#define LIBGCC_SPEC "-lgcc"
yann@339:  
yann@339:  /* Provide a STARTFILE_SPEC appropriate for GNU/Linux.  Here we add
yann@339:     the GNU/Linux magical crtbegin.o file (see crtstuff.c) which
yann@339: diff -durN gcc-3.4.6.orig/gcc/config/arm/t-linux gcc-3.4.6/gcc/config/arm/t-linux
yann@339: --- gcc-3.4.6.orig/gcc/config/arm/t-linux	2003-09-20 23:09:07.000000000 +0200
yann@339: +++ gcc-3.4.6/gcc/config/arm/t-linux	2007-08-15 23:10:54.000000000 +0200
yann@339: @@ -4,7 +4,10 @@
yann@339:  LIBGCC2_DEBUG_CFLAGS = -g0
yann@339:  
yann@339:  LIB1ASMSRC = arm/lib1funcs.asm
yann@339: -LIB1ASMFUNCS = _udivsi3 _divsi3 _umodsi3 _modsi3 _dvmd_lnx
yann@339: +LIB1ASMFUNCS = _udivsi3 _divsi3 _umodsi3 _modsi3 _dvmd_lnx \
yann@339: +	_negdf2 _addsubdf3 _muldivdf3 _cmpdf2 _unorddf2 _fixdfsi _fixunsdfsi \
yann@339: +	_truncdfsf2 _negsf2 _addsubsf3 _muldivsf3 _cmpsf2 _unordsf2 \
yann@339: +	_fixsfsi _fixunssfsi
yann@339:  
yann@339:  # MULTILIB_OPTIONS = mhard-float/msoft-float
yann@339:  # MULTILIB_DIRNAMES = hard-float soft-float
yann@339: diff -durN gcc-3.4.6.orig/gcc/config/arm/unknown-elf.h gcc-3.4.6/gcc/config/arm/unknown-elf.h
yann@339: --- gcc-3.4.6.orig/gcc/config/arm/unknown-elf.h	2004-02-24 15:25:22.000000000 +0100
yann@339: +++ gcc-3.4.6/gcc/config/arm/unknown-elf.h	2007-08-15 23:10:54.000000000 +0200
yann@339: @@ -30,7 +30,12 @@
yann@339:  
yann@339:  /* Default to using APCS-32 and software floating point.  */
yann@339:  #ifndef TARGET_DEFAULT
yann@339: -#define TARGET_DEFAULT	(ARM_FLAG_SOFT_FLOAT | ARM_FLAG_APCS_32 | ARM_FLAG_APCS_FRAME | ARM_FLAG_MMU_TRAPS)
yann@339: +#define TARGET_DEFAULT		\
yann@339: +	( ARM_FLAG_SOFT_FLOAT	\
yann@339: +	| ARM_FLAG_VFP		\
yann@339: +	| ARM_FLAG_APCS_32	\
yann@339: +	| ARM_FLAG_APCS_FRAME	\
yann@339: +	| ARM_FLAG_MMU_TRAPS )
yann@339:  #endif
yann@339:  
yann@339:  /* Now we define the strings used to build the spec file.  */
yann@339: diff -durN gcc-3.4.6.orig/gcc/config/arm/xscale-elf.h gcc-3.4.6/gcc/config/arm/xscale-elf.h
yann@339: --- gcc-3.4.6.orig/gcc/config/arm/xscale-elf.h	2003-07-02 01:26:43.000000000 +0200
yann@339: +++ gcc-3.4.6/gcc/config/arm/xscale-elf.h	2007-08-15 23:10:54.000000000 +0200
yann@339: @@ -49,11 +49,12 @@
yann@339:  		     endian, regardless of the endian-ness of the memory
yann@339:  		     system.  */
yann@339:  		     
yann@339: -#define SUBTARGET_EXTRA_ASM_SPEC "%{!mcpu=*:-mcpu=xscale} \
yann@339: -  %{mhard-float:-mfpu=fpa} \
yann@339: -  %{!mhard-float: %{msoft-float:-mfpu=softfpa;:-mfpu=softvfp}}"
yann@339: +#define SUBTARGET_EXTRA_ASM_SPEC "\
yann@339: +%{!mcpu=*:-mcpu=xscale} \
yann@339: +%{mhard-float:-mfpu=fpa} \
yann@339: +%{!mhard-float: %{msoft-float:-mfpu=softfpa} %{!msoft-float:-mfpu=softvfp}}"
yann@339:  
yann@339:  #ifndef MULTILIB_DEFAULTS
yann@339:  #define MULTILIB_DEFAULTS \
yann@339: -  { "mlittle-endian", "mno-thumb-interwork", "marm", "msoft-float" }
yann@339: +  { "mlittle-endian", "mno-thumb-interwork", "marm" }
yann@339:  #endif