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[PATCH 2/2] Update soft-fp from GLIBC
- From: Marcus Shawcroft <marcus dot shawcroft at arm dot com>
- To: "gcc-patches at gcc dot gnu dot org" <gcc-patches at gcc dot gnu dot org>
- Date: Wed, 14 Nov 2012 15:31:14 +0000
- Subject: [PATCH 2/2] Update soft-fp from GLIBC
This patch provides a definition of FP_TRAPPING_EXCEPTION for aarch64.
/Marcus
2012-11-14 Marcus Shawcroft <marcus.shawcroft@arm.com>
* config/aarch64/sfp-machine.h (FP_EX_ALL): Define.
(FP_EX_SHIFT): Define.
(FP_TRAPPING_EXCEPTIONS): Define.
diff --git a/libgcc/config/aarch64/sfp-machine.h b/libgcc/config/aarch64/sfp-machine.h
index 6c56a92..52b6fb2 100644
--- 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