re PR target/55175 (i386/sfp-exceptions.c:52:7: error: impossible constraint in 'asm')

	PR target/55175
	* config/i386/sfp-exceptions.c: Guard with _SOFT_FLOAT.
	* config/i386/sfp-machine.h: Guard exception handling
	code with _SOFT_FLOAT.
	* config/i386/32/sfp-machine.h: Guard rounding handling
	code with _SOFT_FLOAT.
	* config/i386/64/sfp-machine.h: Ditto.

From-SVN: r193095

libgcc/ChangeLog

+2012-11-02  Uros Bizjak  <ubizjak@gmail.com>
+
+	PR target/55175
+	* config/i386/sfp-exceptions.c: Guard with _SOFT_FLOAT.
+	* config/i386/sfp-machine.h: Guard exception handling
+	code with _SOFT_FLOAT.
+	* config/i386/32/sfp-machine.h: Guard rounding handling
+	code with _SOFT_FLOAT.
+	* config/i386/64/sfp-machine.h: Ditto.
+
 2012-10-31  Joel Sherrill  <joel.sherrill@oarcorp.com>
 
 	* config.host (m32r-*-rtems*): Include crtinit.o and crtfinit.o
@@ -196,7 +206,7 @@
 2012-09-01  Mark Kettenis  <kettenis@openbsd.org>
 
 	* config.host (x86_64-*-openbsd*): New target.
-	
+
 2012-08-29  Chung-Lin Tang  <cltang@codesourcery.com>
 
 	* config/mips/crtfastmath.c (set_fast_math): Add 'nomips16'

libgcc/config/i386/32/sfp-machine.h

@@ -77,6 +77,7 @@
 #define _FP_NANFRAC_E		_FP_QNANBIT_E, 0, 0, 0
 #define _FP_NANFRAC_Q		_FP_QNANBIT_Q, 0, 0, 0
 
+#ifndef _SOFT_FLOAT
 #define FP_RND_NEAREST		0
 #define FP_RND_ZERO		0xc00
 #define FP_RND_PINF		0x800
@@ -91,3 +92,4 @@
   do {							\
     __asm__ __volatile__ ("fnstcw\t%0" : "=m" (_fcw));	\
   } while (0)
+#endif

libgcc/config/i386/64/sfp-machine.h

@@ -18,6 +18,7 @@ typedef unsigned int UTItype __attribute__ ((mode (TI)));
 #define _FP_NANFRAC_E		_FP_QNANBIT_E, 0
 #define _FP_NANFRAC_Q		_FP_QNANBIT_Q, 0
 
+#ifndef _SOFT_FLOAT
 #define FP_RND_NEAREST		0
 #define FP_RND_ZERO		0x6000
 #define FP_RND_PINF		0x4000
@@ -32,3 +33,4 @@ typedef unsigned int UTItype __attribute__ ((mode (TI)));
   do {								\
     __asm__ __volatile__ ("%vstmxcsr\t%0" : "=m" (_fcw));	\
   } while (0)
+#endif

libgcc/config/i386/sfp-exceptions.c

@@ -21,6 +21,7 @@
  * <http://www.gnu.org/licenses/>.
  */
 
+#ifndef _SOFT_FLOAT
 #include "sfp-machine.h"
 
 struct fenv
@@ -88,3 +89,4 @@ __sfp_handle_exceptions (int _fex)
       asm volatile ("fwait");
     }
 };
+#endif

libgcc/config/i386/sfp-machine.h

@@ -40,6 +40,7 @@ typedef int __gcc_CMPtype __attribute__ ((mode (__libgcc_cmp_return__)));
     R##_c = FP_CLS_NAN;						\
   } while (0)
 
+#ifndef _SOFT_FLOAT
 #define FP_EX_INVALID		0x01
 #define FP_EX_DENORM		0x02
 #define FP_EX_DIVZERO		0x04
@@ -56,6 +57,7 @@ void __sfp_handle_exceptions (int);
   } while (0);
 
 #define FP_ROUNDMODE		(_fcw & FP_RND_MASK)
+#endif
 
 #define	__LITTLE_ENDIAN	1234
 #define	__BIG_ENDIAN	4321