sfp-machine.h (FP_EX_ALL): Define.

	* config/i386/sfp-machine.h (FP_EX_ALL): Define.
	(FP_TRAPPING_EXCEPTIONS): Define.
	* config/i386/32/sfp-machine.h (FP_EX_SHIFT): Define.
	* config/i386/64/sfp-machine.h (FP_EX_SHIFT): Ditto.

From-SVN: r194243

libgcc/ChangeLog

+2012-12-06  Uros Bizjak  <ubizjak@gmail.com>
+
+	* config/i386/sfp-machine.h (FP_EX_ALL): Define.
+	(FP_TRAPPING_EXCEPTIONS): Define.
+	* config/i386/32/sfp-machine.h (FP_EX_SHIFT): Define.
+	* config/i386/64/sfp-machine.h (FP_EX_SHIFT): Ditto.
+
 2012-12-04  Richard Henderson  <rth@redhat.com>
 
 	PR bootstrap/55571

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

@@ -78,6 +78,11 @@
 #define _FP_NANFRAC_Q		_FP_QNANBIT_Q, 0, 0, 0
 
 #ifndef _SOFT_FLOAT
+#define FP_EX_SHIFT 0
+
+#define _FP_DECL_EX \
+  unsigned short _fcw __attribute__ ((unused)) = FP_RND_NEAREST;
+
 #define FP_RND_NEAREST		0
 #define FP_RND_ZERO		0xc00
 #define FP_RND_PINF		0x800
@@ -85,9 +90,6 @@
 
 #define FP_RND_MASK		0xc00
 
-#define _FP_DECL_EX \
-  unsigned short _fcw __attribute__ ((unused)) = FP_RND_NEAREST;
-
 #define FP_INIT_ROUNDMODE				\
   do {							\
     __asm__ __volatile__ ("fnstcw\t%0" : "=m" (_fcw));	\

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

@@ -19,6 +19,11 @@ typedef unsigned int UTItype __attribute__ ((mode (TI)));
 #define _FP_NANFRAC_Q		_FP_QNANBIT_Q, 0
 
 #ifndef _SOFT_FLOAT
+#define FP_EX_SHIFT 7
+
+#define _FP_DECL_EX \
+  unsigned int _fcw __attribute__ ((unused)) = FP_RND_NEAREST;
+
 #define FP_RND_NEAREST		0
 #define FP_RND_ZERO		0x6000
 #define FP_RND_PINF		0x4000
@@ -26,9 +31,6 @@ typedef unsigned int UTItype __attribute__ ((mode (TI)));
 
 #define FP_RND_MASK		0x6000
 
-#define _FP_DECL_EX \
-  unsigned int _fcw __attribute__ ((unused)) = FP_RND_NEAREST;
-
 #define FP_INIT_ROUNDMODE					\
   do {								\
     __asm__ __volatile__ ("%vstmxcsr\t%0" : "=m" (_fcw));	\

libgcc/config/i386/sfp-machine.h

@@ -47,6 +47,9 @@ typedef int __gcc_CMPtype __attribute__ ((mode (__libgcc_cmp_return__)));
 #define FP_EX_OVERFLOW		0x08
 #define FP_EX_UNDERFLOW		0x10
 #define FP_EX_INEXACT		0x20
+#define FP_EX_ALL \
+	(FP_EX_INVALID | FP_EX_DENORM | FP_EX_DIVZERO | FP_EX_OVERFLOW \
+	 | FP_EX_UNDERFLOW | FP_EX_INEXACT)
 
 void __sfp_handle_exceptions (int);
 
@@ -56,6 +59,8 @@ void __sfp_handle_exceptions (int);
       __sfp_handle_exceptions (_fex);		\
   } while (0);
 
+#define FP_TRAPPING_EXCEPTIONS ((_fcw >> FP_EX_SHIFT) & FP_EX_ALL)
+
 #define FP_ROUNDMODE		(_fcw & FP_RND_MASK)
 #endif