1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/patches/gcc/3.4.6/260-arm-softfloat.patch Mon Jul 28 21:32:33 2008 +0000
1.3 @@ -0,0 +1,161 @@
1.4 +diff -durN gcc-3.4.6.orig/gcc/config/arm/coff.h gcc-3.4.6/gcc/config/arm/coff.h
1.5 +--- gcc-3.4.6.orig/gcc/config/arm/coff.h 2004-02-24 15:25:22.000000000 +0100
1.6 ++++ gcc-3.4.6/gcc/config/arm/coff.h 2007-08-15 23:10:54.000000000 +0200
1.7 +@@ -31,11 +31,16 @@
1.8 + #define TARGET_VERSION fputs (" (ARM/coff)", stderr)
1.9 +
1.10 + #undef TARGET_DEFAULT
1.11 +-#define TARGET_DEFAULT (ARM_FLAG_SOFT_FLOAT | ARM_FLAG_APCS_32 | ARM_FLAG_APCS_FRAME | ARM_FLAG_MMU_TRAPS)
1.12 ++#define TARGET_DEFAULT \
1.13 ++ ( ARM_FLAG_SOFT_FLOAT \
1.14 ++ | ARM_FLAG_VFP \
1.15 ++ | ARM_FLAG_APCS_32 \
1.16 ++ | ARM_FLAG_APCS_FRAME \
1.17 ++ | ARM_FLAG_MMU_TRAPS )
1.18 +
1.19 + #ifndef MULTILIB_DEFAULTS
1.20 + #define MULTILIB_DEFAULTS \
1.21 +- { "marm", "mlittle-endian", "msoft-float", "mapcs-32", "mno-thumb-interwork" }
1.22 ++ { "marm", "mlittle-endian", "mapcs-32", "mno-thumb-interwork" }
1.23 + #endif
1.24 +
1.25 + /* This is COFF, but prefer stabs. */
1.26 +diff -durN gcc-3.4.6.orig/gcc/config/arm/elf.h gcc-3.4.6/gcc/config/arm/elf.h
1.27 +--- gcc-3.4.6.orig/gcc/config/arm/elf.h 2004-02-24 15:25:22.000000000 +0100
1.28 ++++ gcc-3.4.6/gcc/config/arm/elf.h 2007-08-15 23:10:54.000000000 +0200
1.29 +@@ -46,7 +46,9 @@
1.30 +
1.31 + #ifndef SUBTARGET_ASM_FLOAT_SPEC
1.32 + #define SUBTARGET_ASM_FLOAT_SPEC "\
1.33 +-%{mapcs-float:-mfloat} %{msoft-float:-mfpu=softfpa}"
1.34 ++%{mapcs-float:-mfloat} \
1.35 ++%{mhard-float:-mfpu=fpa} \
1.36 ++%{!mhard-float: %{msoft-float:-mfpu=softfpa} %{!msoft-float:-mfpu=softvfp}}"
1.37 + #endif
1.38 +
1.39 + #ifndef ASM_SPEC
1.40 +@@ -106,12 +108,17 @@
1.41 + #endif
1.42 +
1.43 + #ifndef TARGET_DEFAULT
1.44 +-#define TARGET_DEFAULT (ARM_FLAG_SOFT_FLOAT | ARM_FLAG_APCS_32 | ARM_FLAG_APCS_FRAME | ARM_FLAG_MMU_TRAPS)
1.45 ++#define TARGET_DEFAULT \
1.46 ++ ( ARM_FLAG_SOFT_FLOAT \
1.47 ++ | ARM_FLAG_VFP \
1.48 ++ | ARM_FLAG_APCS_32 \
1.49 ++ | ARM_FLAG_APCS_FRAME \
1.50 ++ | ARM_FLAG_MMU_TRAPS )
1.51 + #endif
1.52 +
1.53 + #ifndef MULTILIB_DEFAULTS
1.54 + #define MULTILIB_DEFAULTS \
1.55 +- { "marm", "mlittle-endian", "msoft-float", "mapcs-32", "mno-thumb-interwork", "fno-leading-underscore" }
1.56 ++ { "marm", "mlittle-endian", "mapcs-32", "mno-thumb-interwork", "fno-leading-underscore" }
1.57 + #endif
1.58 +
1.59 + #define TARGET_ASM_FILE_START_APP_OFF true
1.60 +diff -durN gcc-3.4.6.orig/gcc/config/arm/linux-elf.h gcc-3.4.6/gcc/config/arm/linux-elf.h
1.61 +--- gcc-3.4.6.orig/gcc/config/arm/linux-elf.h 2007-08-15 23:07:00.000000000 +0200
1.62 ++++ gcc-3.4.6/gcc/config/arm/linux-elf.h 2007-08-15 23:10:54.000000000 +0200
1.63 +@@ -44,12 +44,26 @@
1.64 + #define TARGET_LINKER_EMULATION "armelf_linux"
1.65 + #endif
1.66 +
1.67 +-/* Default is to use APCS-32 mode. */
1.68 ++/*
1.69 ++ * Default is to use APCS-32 mode with soft-vfp.
1.70 ++ * The old Linux default for floats can be achieved with -mhard-float
1.71 ++ * or with the configure --with-float=hard option.
1.72 ++ * If -msoft-float or --with-float=soft is used then software float
1.73 ++ * support will be used just like the default but with the legacy
1.74 ++ * big endian word ordering for double float representation instead.
1.75 ++ */
1.76 + #undef TARGET_DEFAULT
1.77 +-#define TARGET_DEFAULT \
1.78 +- ( ARM_FLAG_APCS_32 | \
1.79 +- ARM_FLAG_MMU_TRAPS | \
1.80 +- TARGET_ENDIAN_DEFAULT )
1.81 ++#define TARGET_DEFAULT \
1.82 ++ ( ARM_FLAG_APCS_32 \
1.83 ++ | ARM_FLAG_SOFT_FLOAT \
1.84 ++ | TARGET_ENDIAN_DEFAULT \
1.85 ++ | ARM_FLAG_VFP \
1.86 ++ | ARM_FLAG_MMU_TRAPS )
1.87 ++
1.88 ++#undef SUBTARGET_EXTRA_ASM_SPEC
1.89 ++#define SUBTARGET_EXTRA_ASM_SPEC "\
1.90 ++%{mhard-float:-mfpu=fpa} \
1.91 ++%{!mhard-float: %{msoft-float:-mfpu=softfpa} %{!msoft-float:-mfpu=softvfp}}"
1.92 +
1.93 + #define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm6
1.94 +
1.95 +@@ -57,7 +71,7 @@
1.96 +
1.97 + #undef MULTILIB_DEFAULTS
1.98 + #define MULTILIB_DEFAULTS \
1.99 +- { "marm", TARGET_ENDIAN_OPTION, "mhard-float", "mapcs-32", "mno-thumb-interwork" }
1.100 ++ { "marm", TARGET_ENDIAN_OPTION, "mapcs-32", "mno-thumb-interwork" }
1.101 +
1.102 + #define CPP_APCS_PC_DEFAULT_SPEC "-D__APCS_32__"
1.103 +
1.104 +@@ -72,7 +86,7 @@
1.105 + %{shared:-lc} \
1.106 + %{!shared:%{profile:-lc_p}%{!profile:-lc}}"
1.107 +
1.108 +-#define LIBGCC_SPEC "%{msoft-float:-lfloat} -lgcc"
1.109 ++#define LIBGCC_SPEC "-lgcc"
1.110 +
1.111 + /* Provide a STARTFILE_SPEC appropriate for GNU/Linux. Here we add
1.112 + the GNU/Linux magical crtbegin.o file (see crtstuff.c) which
1.113 +diff -durN gcc-3.4.6.orig/gcc/config/arm/t-linux gcc-3.4.6/gcc/config/arm/t-linux
1.114 +--- gcc-3.4.6.orig/gcc/config/arm/t-linux 2003-09-20 23:09:07.000000000 +0200
1.115 ++++ gcc-3.4.6/gcc/config/arm/t-linux 2007-08-15 23:10:54.000000000 +0200
1.116 +@@ -4,7 +4,10 @@
1.117 + LIBGCC2_DEBUG_CFLAGS = -g0
1.118 +
1.119 + LIB1ASMSRC = arm/lib1funcs.asm
1.120 +-LIB1ASMFUNCS = _udivsi3 _divsi3 _umodsi3 _modsi3 _dvmd_lnx
1.121 ++LIB1ASMFUNCS = _udivsi3 _divsi3 _umodsi3 _modsi3 _dvmd_lnx \
1.122 ++ _negdf2 _addsubdf3 _muldivdf3 _cmpdf2 _unorddf2 _fixdfsi _fixunsdfsi \
1.123 ++ _truncdfsf2 _negsf2 _addsubsf3 _muldivsf3 _cmpsf2 _unordsf2 \
1.124 ++ _fixsfsi _fixunssfsi
1.125 +
1.126 + # MULTILIB_OPTIONS = mhard-float/msoft-float
1.127 + # MULTILIB_DIRNAMES = hard-float soft-float
1.128 +diff -durN gcc-3.4.6.orig/gcc/config/arm/unknown-elf.h gcc-3.4.6/gcc/config/arm/unknown-elf.h
1.129 +--- gcc-3.4.6.orig/gcc/config/arm/unknown-elf.h 2004-02-24 15:25:22.000000000 +0100
1.130 ++++ gcc-3.4.6/gcc/config/arm/unknown-elf.h 2007-08-15 23:10:54.000000000 +0200
1.131 +@@ -30,7 +30,12 @@
1.132 +
1.133 + /* Default to using APCS-32 and software floating point. */
1.134 + #ifndef TARGET_DEFAULT
1.135 +-#define TARGET_DEFAULT (ARM_FLAG_SOFT_FLOAT | ARM_FLAG_APCS_32 | ARM_FLAG_APCS_FRAME | ARM_FLAG_MMU_TRAPS)
1.136 ++#define TARGET_DEFAULT \
1.137 ++ ( ARM_FLAG_SOFT_FLOAT \
1.138 ++ | ARM_FLAG_VFP \
1.139 ++ | ARM_FLAG_APCS_32 \
1.140 ++ | ARM_FLAG_APCS_FRAME \
1.141 ++ | ARM_FLAG_MMU_TRAPS )
1.142 + #endif
1.143 +
1.144 + /* Now we define the strings used to build the spec file. */
1.145 +diff -durN gcc-3.4.6.orig/gcc/config/arm/xscale-elf.h gcc-3.4.6/gcc/config/arm/xscale-elf.h
1.146 +--- gcc-3.4.6.orig/gcc/config/arm/xscale-elf.h 2003-07-02 01:26:43.000000000 +0200
1.147 ++++ gcc-3.4.6/gcc/config/arm/xscale-elf.h 2007-08-15 23:10:54.000000000 +0200
1.148 +@@ -49,11 +49,12 @@
1.149 + endian, regardless of the endian-ness of the memory
1.150 + system. */
1.151 +
1.152 +-#define SUBTARGET_EXTRA_ASM_SPEC "%{!mcpu=*:-mcpu=xscale} \
1.153 +- %{mhard-float:-mfpu=fpa} \
1.154 +- %{!mhard-float: %{msoft-float:-mfpu=softfpa;:-mfpu=softvfp}}"
1.155 ++#define SUBTARGET_EXTRA_ASM_SPEC "\
1.156 ++%{!mcpu=*:-mcpu=xscale} \
1.157 ++%{mhard-float:-mfpu=fpa} \
1.158 ++%{!mhard-float: %{msoft-float:-mfpu=softfpa} %{!msoft-float:-mfpu=softvfp}}"
1.159 +
1.160 + #ifndef MULTILIB_DEFAULTS
1.161 + #define MULTILIB_DEFAULTS \
1.162 +- { "mlittle-endian", "mno-thumb-interwork", "marm", "msoft-float" }
1.163 ++ { "mlittle-endian", "mno-thumb-interwork", "marm" }
1.164 + #endif