* config/i386/32/sfp-machine.h (_FP_NANSIGN_S, _FP_NANSIGN_D,

	_FP_NANSIGN_E, _FP_NANSIGN_Q): Move ...
	* config/i386/64/sfp-machine: ... (delete here) ...
	* config/i386/sfp-machine.h: ... to here.
	(FP_EX_MASK): Remove.
	(FP_RND_MASK): New.
	(FP_INIT_ROUNDMODE): Declare asm as volatile.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@188518 138bc75d-0d04-0410-961f-82ee72b054a4

4 files changed, 27 insertions, 20 deletions

diff --git a/libgcc/ChangeLog b/libgcc/ChangeLog
index 9308090e32c..17a2122e235 100644
--- a/libgcc/ChangeLog
+++ b/libgcc/ChangeLog
@@ -1,3 +1,13 @@
+2012-06-13  Uros Bizjak  <ubizjak@gmail.com>
+
+	* config/i386/32/sfp-machine.h (_FP_NANSIGN_S, _FP_NANSIGN_D,
+	_FP_NANSIGN_E, _FP_NANSIGN_Q): Move ...
+	* config/i386/64/sfp-machine: ... (delete here) ...
+	* config/i386/sfp-machine.h: ... to here.
+	(FP_EX_MASK): Remove.
+	(FP_RND_MASK): New.
+	(FP_INIT_ROUNDMODE): Declare asm as volatile.
+
 2012-06-11  Sriraman Tallam  <tmsriram@google.com>
 
 	* config/i386/libgcc-bsd.ver: Version symbol __cpu_indicator_init.
diff --git a/libgcc/config/i386/32/sfp-machine.h b/libgcc/config/i386/32/sfp-machine.h
index 6d4e5e17912..7f0c099414d 100644
--- a/libgcc/config/i386/32/sfp-machine.h
+++ b/libgcc/config/i386/32/sfp-machine.h
@@ -65,7 +65,7 @@
 	     "g" ((USItype) (y0)))
 
 
-#define _FP_MUL_MEAT_Q(R,X,Y)					\
+#define _FP_MUL_MEAT_Q(R,X,Y)				\
   _FP_MUL_MEAT_4_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm)
 
 #define _FP_DIV_MEAT_Q(R,X,Y)   _FP_DIV_MEAT_4_udiv(Q,R,X,Y)
@@ -76,7 +76,3 @@
    16byte since soft-fp emulation is done in 16byte.  */
 #define _FP_NANFRAC_E		_FP_QNANBIT_E, 0, 0, 0
 #define _FP_NANFRAC_Q		_FP_QNANBIT_Q, 0, 0, 0
-#define _FP_NANSIGN_S		1
-#define _FP_NANSIGN_D		1
-#define _FP_NANSIGN_E		1
-#define _FP_NANSIGN_Q		1
diff --git a/libgcc/config/i386/64/sfp-machine.h b/libgcc/config/i386/64/sfp-machine.h
index 469c28cfbc3..8cc982ecc79 100644
--- a/libgcc/config/i386/64/sfp-machine.h
+++ b/libgcc/config/i386/64/sfp-machine.h
@@ -8,7 +8,7 @@ typedef unsigned int UTItype __attribute__ ((mode (TI)));
 
 #define TI_BITS (__CHAR_BIT__ * (int)sizeof(TItype))
 
-#define _FP_MUL_MEAT_Q(R,X,Y)                           \
+#define _FP_MUL_MEAT_Q(R,X,Y)				\
   _FP_MUL_MEAT_2_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm)
 
 #define _FP_DIV_MEAT_Q(R,X,Y)   _FP_DIV_MEAT_2_udiv(Q,R,X,Y)
@@ -17,7 +17,3 @@ typedef unsigned int UTItype __attribute__ ((mode (TI)));
 #define _FP_NANFRAC_D		_FP_QNANBIT_D
 #define _FP_NANFRAC_E		_FP_QNANBIT_E, 0
 #define _FP_NANFRAC_Q		_FP_QNANBIT_Q, 0
-#define _FP_NANSIGN_S		1
-#define _FP_NANSIGN_D		1
-#define _FP_NANSIGN_E		1
-#define _FP_NANSIGN_Q		1
diff --git a/libgcc/config/i386/sfp-machine.h b/libgcc/config/i386/sfp-machine.h
index f84a368ebd1..e0fb5cf68ff 100644
--- a/libgcc/config/i386/sfp-machine.h
+++ b/libgcc/config/i386/sfp-machine.h
@@ -14,7 +14,12 @@ typedef int __gcc_CMPtype __attribute__ ((mode (__libgcc_cmp_return__)));
 #include "config/i386/32/sfp-machine.h"
 #endif
 
-#define _FP_KEEPNANFRACP 1
+#define _FP_KEEPNANFRACP	1
+
+#define _FP_NANSIGN_S		1
+#define _FP_NANSIGN_D		1
+#define _FP_NANSIGN_E		1
+#define _FP_NANSIGN_Q		1
 
 /* Here is something Intel misdesigned: the specs don't define
    the case where we have two NaNs with same mantissas, but
@@ -25,12 +30,12 @@ typedef int __gcc_CMPtype __attribute__ ((mode (__libgcc_cmp_return__)));
 	|| (_FP_FRAC_EQ_##wc(X,Y) && (OP == '+' || OP == '*')))	\
       {								\
 	R##_s = X##_s;						\
-        _FP_FRAC_COPY_##wc(R,X);				\
+	_FP_FRAC_COPY_##wc(R,X);				\
       }								\
     else							\
       {								\
 	R##_s = Y##_s;						\
-        _FP_FRAC_COPY_##wc(R,Y);				\
+	_FP_FRAC_COPY_##wc(R,Y);				\
       }								\
     R##_c = FP_CLS_NAN;						\
   } while (0)
@@ -42,13 +47,11 @@ typedef int __gcc_CMPtype __attribute__ ((mode (__libgcc_cmp_return__)));
 #define FP_EX_UNDERFLOW		0x10
 #define FP_EX_INEXACT		0x20
 
-#define FP_EX_MASK		0x3f
-
 void __sfp_handle_exceptions (int);
 
 #define FP_HANDLE_EXCEPTIONS			\
   do {						\
-    if (_fex & FP_EX_MASK)			\
+    if (_fex)					\
       __sfp_handle_exceptions (_fex);		\
   } while (0);
 
@@ -57,15 +60,17 @@ void __sfp_handle_exceptions (int);
 #define FP_RND_PINF		0x800
 #define FP_RND_MINF		0x400
 
+#define FP_RND_MASK		0xc00
+
 #define _FP_DECL_EX \
   unsigned short _fcw __attribute__ ((unused)) = FP_RND_NEAREST
 
-#define FP_INIT_ROUNDMODE			\
-  do {						\
-    __asm__ ("fnstcw %0" : "=m" (_fcw));	\
+#define FP_INIT_ROUNDMODE				\
+  do {							\
+    __asm__ __volatile__ ("fnstcw\t%0" : "=m" (_fcw));	\
   } while (0)
 
-#define FP_ROUNDMODE		(_fcw & 0xc00)
+#define FP_ROUNDMODE		(_fcw & FP_RND_MASK)
 
 #define	__LITTLE_ENDIAN	1234
 #define	__BIG_ENDIAN	4321