diff options
Diffstat (limited to 'toolchain/gcc/i386-gcc-soft-float.patch')
| -rw-r--r-- | toolchain/gcc/i386-gcc-soft-float.patch | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/toolchain/gcc/i386-gcc-soft-float.patch b/toolchain/gcc/i386-gcc-soft-float.patch new file mode 100644 index 000000000..97501087e --- /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 ++ |