From 1ca99c8bcfa96041185848b2efef6953189f503f Mon Sep 17 00:00:00 2001
From: Mike Baker <mbm@openwrt.org>
Date: Sun, 16 Jan 2005 11:43:02 +0000
Subject: Initial revision

git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@197 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
 toolchain/gcc/i386-gcc-soft-float.patch | 61 +++++++++++++++++++++++++++++++++
 1 file changed, 61 insertions(+)
 create mode 100644 toolchain/gcc/i386-gcc-soft-float.patch

(limited to 'toolchain/gcc/i386-gcc-soft-float.patch')

diff --git a/toolchain/gcc/i386-gcc-soft-float.patch b/toolchain/gcc/i386-gcc-soft-float.patch
new file mode 100644
index 0000000000..97501087e2
--- /dev/null
+++ b/toolchain/gcc/i386-gcc-soft-float.patch
@@ -0,0 +1,61 @@
+diff -urN gcc-3.3.2-orig/gcc/config/i386/i386.h gcc-3.3.2/gcc/config/i386/i386.h
+--- gcc-3.3.2-orig/gcc/config/i386/i386.h	2003-06-25 16:18:31.000000000 -0500
++++ gcc-3.3.2/gcc/config/i386/i386.h	2003-10-22 01:46:57.000000000 -0500
+@@ -653,6 +653,7 @@
+ /* Define for XFmode or TFmode extended real floating point support.
+    The XFmode is specified by i386 ABI, while TFmode may be faster
+    due to alignment and simplifications in the address calculations.  */
++#if 0
+ #define LONG_DOUBLE_TYPE_SIZE (TARGET_128BIT_LONG_DOUBLE ? 128 : 96)
+ #define MAX_LONG_DOUBLE_TYPE_SIZE 128
+ #ifdef __x86_64__
+@@ -660,6 +661,17 @@
+ #else
+ #define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 96
+ #endif
++#else
++	  /* Set up for x86 soft float with 64-bit long doubles, since that's
++	   * all the soft float emulation supports. */
++#define LONG_DOUBLE_TYPE_SIZE (TARGET_128BIT_LONG_DOUBLE ? 128 : (TARGET_80387 ? 96 : 64))
++#define MAX_LONG_DOUBLE_TYPE_SIZE 128
++#ifdef __x86_64__
++#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 128
++#else
++#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE (TARGET_80387 ? 96 : 64)
++#endif
++#endif
+ 
+ /* Set the value of FLT_EVAL_METHOD in float.h.  When using only the
+    FPU, assume that the fpcw is set to extended precision; when using
+diff -urN gcc-3.3.2-orig/gcc/config/t-linux gcc-3.3.2/gcc/config/t-linux
+--- gcc-3.3.2-orig/gcc/config/t-linux-uclibc	2003-06-04 11:56:11.000000000 -0500
++++ gcc-3.3.2/gcc/config/t-linux-uclibc	2003-10-22 01:46:39.000000000 -0500
+@@ -21,3 +21,28 @@
+ LIB2ADDEH = $(srcdir)/unwind-dw2.c $(srcdir)/unwind-dw2-fde.c \
+   $(srcdir)/unwind-sjlj.c $(srcdir)/unwind-c.c
+ LIB2ADDEHDEP = unwind.inc unwind-dw2-fde.h
++
++##############################################
++# We want fine grained libraries, so use the new code to build the
++# floating point emulation libraries.
++FPBIT = fp-bit.c
++DPBIT = dp-bit.c
++
++#LIB2FUNCS_EXTRA = xp-bit.c
++
++dp-bit.c: $(srcdir)/config/fp-bit.c
++	echo '#ifdef __LITTLE_ENDIAN__' > dp-bit.c
++	echo '#define FLOAT_BIT_ORDER_MISMATCH' >>dp-bit.c
++	echo '#endif'           >> dp-bit.c
++	cat $(srcdir)/config/fp-bit.c >> dp-bit.c
++
++fp-bit.c: $(srcdir)/config/fp-bit.c
++	echo '#define FLOAT' > fp-bit.c
++	echo '#ifdef __LITTLE_ENDIAN__' >> fp-bit.c
++	echo '#define FLOAT_BIT_ORDER_MISMATCH' >>fp-bit.c
++	echo '#endif'           >> fp-bit.c
++	cat $(srcdir)/config/fp-bit.c >> fp-bit.c
++
++#MULTILIB_OPTIONS = msoft-float
++#MULTILIB_DIRNAMES = soft-float
++
-- 
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