* 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.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@194243 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/libgcc/ChangeLog b/libgcc/ChangeLog
index adb7422..7e15a8c 100644 (file)
--- a/libgcc/ChangeLog
+++ b/libgcc/ChangeLog
@@ -1,3 +1,10 @@
+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
@@ -5,7 +12,7 @@
 
 2012-12-04  Marcus Shawcroft <marcus.shawcroft@arm.com>
 
-        * config/aarch64/sfp-machine.h (FP_EX_ALL): Define.
+       * config/aarch64/sfp-machine.h (FP_EX_ALL): Define.
        (FP_EX_SHIFT): Define.
        (FP_TRAPPING_EXCEPTIONS): Define.
 
@@ -46,7 +53,7 @@
        PR libgcc/48076
        * emutls.c (__emutls_get_address): Avoid race condition between
        obj->loc.offset read and emutls_key initialization.
-       
+
 2012-11-22  Georg-Johann Lay  <avr@gjlay.de>
 
        Adjust decimal point of signed accum mode to GCC default.
@@ -58,8 +65,8 @@
        (__fractsasf, __fractsfha, __fractusqsf, __fractsfsa)
        (__mulha3, __mulsa3)
        (__divqq3, __divha3, __divsa3): Adjust to new position of
-       decimal point of signed accum types. 
-       
+       decimal point of signed accum types.
+
        (__mulusa3_round): New function.
        (__mulusa3): Use it.
        (__divqq_helper): New function.

diff --git a/libgcc/config/i386/32/sfp-machine.h b/libgcc/config/i386/32/sfp-machine.h
index d81d9a3..143296d 100644 (file)
--- a/libgcc/config/i386/32/sfp-machine.h
+++ b/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)); \

diff --git a/libgcc/config/i386/64/sfp-machine.h b/libgcc/config/i386/64/sfp-machine.h
index 21c9edc..1ff94c2 100644 (file)
--- a/libgcc/config/i386/64/sfp-machine.h
+++ b/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));      \

diff --git a/libgcc/config/i386/sfp-machine.h b/libgcc/config/i386/sfp-machine.h
index 9afbbcb..b19d94b 100644 (file)
--- a/libgcc/config/i386/sfp-machine.h
+++ b/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