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authorJoseph Myers <joseph@codesourcery.com>2013-07-02 14:55:32 +0000
committerJoseph Myers <joseph@codesourcery.com>2013-07-02 14:55:32 +0000
commit77f01ab5d1d2eead1bd4a9135d6a76ebd3fe21e5 (patch)
tree84727a1d5b17bbfe868ef2246e59bffc98f57495 /soft-fp/quad.h
parent1413c693d3390e02399a0042ef97b73918749977 (diff)
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Implement fma in soft-fp.
Diffstat (limited to 'soft-fp/quad.h')
-rw-r--r--soft-fp/quad.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/soft-fp/quad.h b/soft-fp/quad.h
index f0aa07e..9a16bf3 100644
--- a/soft-fp/quad.h
+++ b/soft-fp/quad.h
@@ -36,8 +36,10 @@
#if _FP_W_TYPE_SIZE < 64
#define _FP_FRACTBITS_Q (4*_FP_W_TYPE_SIZE)
+#define _FP_FRACTBITS_DW_Q (8*_FP_W_TYPE_SIZE)
#else
#define _FP_FRACTBITS_Q (2*_FP_W_TYPE_SIZE)
+#define _FP_FRACTBITS_DW_Q (4*_FP_W_TYPE_SIZE)
#endif
#define _FP_FRACBITS_Q 113
@@ -59,6 +61,11 @@
#define _FP_OVERFLOW_Q \
((_FP_W_TYPE)1 << (_FP_WFRACBITS_Q % _FP_W_TYPE_SIZE))
+#define _FP_WFRACBITS_DW_Q (2 * _FP_WFRACBITS_Q)
+#define _FP_WFRACXBITS_DW_Q (_FP_FRACTBITS_DW_Q - _FP_WFRACBITS_DW_Q)
+#define _FP_HIGHBIT_DW_Q \
+ ((_FP_W_TYPE)1 << (_FP_WFRACBITS_DW_Q - 1) % _FP_W_TYPE_SIZE)
+
typedef float TFtype __attribute__((mode(TF)));
#if _FP_W_TYPE_SIZE < 64
@@ -155,6 +162,7 @@ union _FP_UNION_Q
#define FP_DIV_Q(R,X,Y) _FP_DIV(Q,4,R,X,Y)
#define FP_SQRT_Q(R,X) _FP_SQRT(Q,4,R,X)
#define _FP_SQRT_MEAT_Q(R,S,T,X,Q) _FP_SQRT_MEAT_4(R,S,T,X,Q)
+#define FP_FMA_Q(R,X,Y,Z) _FP_FMA(Q,4,8,R,X,Y,Z)
#define FP_CMP_Q(r,X,Y,un) _FP_CMP(Q,4,r,X,Y,un)
#define FP_CMP_EQ_Q(r,X,Y) _FP_CMP_EQ(Q,4,r,X,Y)
@@ -166,6 +174,8 @@ union _FP_UNION_Q
#define _FP_FRAC_HIGH_Q(X) _FP_FRAC_HIGH_4(X)
#define _FP_FRAC_HIGH_RAW_Q(X) _FP_FRAC_HIGH_4(X)
+#define _FP_FRAC_HIGH_DW_Q(X) _FP_FRAC_HIGH_8(X)
+
#else /* not _FP_W_TYPE_SIZE < 64 */
union _FP_UNION_Q
{
@@ -256,6 +266,7 @@ union _FP_UNION_Q
#define FP_DIV_Q(R,X,Y) _FP_DIV(Q,2,R,X,Y)
#define FP_SQRT_Q(R,X) _FP_SQRT(Q,2,R,X)
#define _FP_SQRT_MEAT_Q(R,S,T,X,Q) _FP_SQRT_MEAT_2(R,S,T,X,Q)
+#define FP_FMA_Q(R,X,Y,Z) _FP_FMA(Q,2,4,R,X,Y,Z)
#define FP_CMP_Q(r,X,Y,un) _FP_CMP(Q,2,r,X,Y,un)
#define FP_CMP_EQ_Q(r,X,Y) _FP_CMP_EQ(Q,2,r,X,Y)
@@ -267,4 +278,6 @@ union _FP_UNION_Q
#define _FP_FRAC_HIGH_Q(X) _FP_FRAC_HIGH_2(X)
#define _FP_FRAC_HIGH_RAW_Q(X) _FP_FRAC_HIGH_2(X)
+#define _FP_FRAC_HIGH_DW_Q(X) _FP_FRAC_HIGH_4(X)
+
#endif /* not _FP_W_TYPE_SIZE < 64 */