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-rw-r--r--arch/arm/vfp/vfp.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/arm/vfp/vfp.h b/arch/arm/vfp/vfp.h
index 19ace2e..f279789 100644
--- a/arch/arm/vfp/vfp.h
+++ b/arch/arm/vfp/vfp.h
@@ -357,10 +357,14 @@ u32 vfp_estimate_sqrt_significand(u32 exponent, u32 significand);
#define VFP_EXCEPTION_ERROR ((u32)-1 & ~VFP_NAN_FLAG)
/*
- * A flag to tell vfp instruction type
+ * A flag to tell vfp instruction type.
+ * OP_SCALAR - this operation always operates in scalar mode
+ * OP_SD - the instruction exceptionally writes to a single precision result.
+ * OP_DD - the instruction exceptionally writes to a double precision result.
*/
#define OP_SCALAR (1 << 0)
#define OP_SD (1 << 1)
+#define OP_DD (1 << 1)
struct op {
u32 (* const fn)(int dd, int dn, int dm, u32 fpscr);
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