AArch64: Define FP_TRAPPING_EXCEPTIONS.

2012-12-04  Marcus Shawcroft <marcus.shawcroft@arm.com>

        * config/aarch64/sfp-machine.h (FP_EX_ALL): Define.
	(FP_EX_SHIFT): Define.
	(FP_TRAPPING_EXCEPTIONS): Define.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@194151 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/libgcc/ChangeLog b/libgcc/ChangeLog
index a120f08..8e030f9 100644 (file)
--- a/libgcc/ChangeLog
+++ b/libgcc/ChangeLog
@@ -1,5 +1,11 @@
 2012-12-04  Marcus Shawcroft <marcus.shawcroft@arm.com>
 
+        * config/aarch64/sfp-machine.h (FP_EX_ALL): Define.
+       (FP_EX_SHIFT): Define.
+       (FP_TRAPPING_EXCEPTIONS): Define.
+
+2012-12-04  Marcus Shawcroft <marcus.shawcroft@arm.com>
+
        * config/aarch64/sfp-machine.h (FP_RND_MASK): Define.
        (FP_ROUNDMODE): Use FP_RND_MASK.
        * config/aarch64/sfp-exceptions.c: New.

diff --git a/libgcc/config/aarch64/sfp-machine.h b/libgcc/config/aarch64/sfp-machine.h
index 6c56a92..52b6fb2 100644 (file)
--- a/libgcc/config/aarch64/sfp-machine.h
+++ b/libgcc/config/aarch64/sfp-machine.h
@@ -69,6 +69,10 @@ typedef int __gcc_CMPtype __attribute__ ((mode (__libgcc_cmp_return__)));
 #define FP_EX_OVERFLOW 0x04
 #define FP_EX_UNDERFLOW        0x08
 #define FP_EX_INEXACT  0x10
+#define FP_EX_SHIFT 8
+#define FP_EX_ALL \
+       (FP_EX_INVALID | FP_EX_DIVZERO | FP_EX_OVERFLOW | FP_EX_UNDERFLOW \
+        | FP_EX_INEXACT)
 
 void __sfp_handle_exceptions (int);
 
@@ -78,6 +82,8 @@ void __sfp_handle_exceptions (int);
       __sfp_handle_exceptions (_fex);          \
   } while (0);
 
+#define FP_TRAPPING_EXCEPTIONS ((_fpcr >> FP_EX_SHIFT) & FP_EX_ALL)
+
 #define FP_RND_NEAREST         0x000000
 #define FP_RND_PINF            0x400000
 #define FP_RND_MINF            0x800000