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authorAndreas Jaeger <aj@suse.de>2000-09-05 09:07:19 +0000
committerAndreas Jaeger <aj@suse.de>2000-09-05 09:07:19 +0000
commita9591af9e9ff0ecd0ae09214bd6e19157bff61d8 (patch)
tree550b41649c499b71688c6664435f64fd98992f99 /sysdeps/mips/soft-fp
parent584bbcdd2cc662d532024ca62db53413f6d05a15 (diff)
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Moved from soft-fp/sysdeps/sparc/sparc64/s_scalbnl.c
Diffstat (limited to 'sysdeps/mips/soft-fp')
-rw-r--r--sysdeps/mips/soft-fp/sfp-machine.h47
1 files changed, 47 insertions, 0 deletions
diff --git a/sysdeps/mips/soft-fp/sfp-machine.h b/sysdeps/mips/soft-fp/sfp-machine.h
new file mode 100644
index 0000000000..3b2a40f0e2
--- /dev/null
+++ b/sysdeps/mips/soft-fp/sfp-machine.h
@@ -0,0 +1,47 @@
+#define _FP_W_TYPE_SIZE		32
+#define _FP_W_TYPE		unsigned long
+#define _FP_WS_TYPE		signed long
+#define _FP_I_TYPE		long
+
+#define _FP_MUL_MEAT_S(R,X,Y)				\
+  _FP_MUL_MEAT_1_wide(_FP_WFRACBITS_S,R,X,Y,umul_ppmm)
+#define _FP_MUL_MEAT_D(R,X,Y)				\
+  _FP_MUL_MEAT_2_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm)
+#define _FP_MUL_MEAT_Q(R,X,Y)				\
+  _FP_MUL_MEAT_4_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm)
+
+#define _FP_DIV_MEAT_S(R,X,Y)	_FP_DIV_MEAT_1_udiv_norm(S,R,X,Y)
+#define _FP_DIV_MEAT_D(R,X,Y)	_FP_DIV_MEAT_2_udiv(D,R,X,Y)
+#define _FP_DIV_MEAT_Q(R,X,Y)	_FP_DIV_MEAT_4_udiv(Q,R,X,Y)
+
+#define _FP_NANFRAC_S		((_FP_QNANBIT_S << 1) - 1)
+#define _FP_NANFRAC_D		((_FP_QNANBIT_D << 1) - 1), -1
+#define _FP_NANFRAC_Q		((_FP_QNANBIT_Q << 1) - 1), -1, -1, -1
+#define _FP_NANSIGN_S		0
+#define _FP_NANSIGN_D		0
+#define _FP_NANSIGN_Q		0
+
+#define _FP_KEEPNANFRACP 1
+/* From my experiments it seems X is chosen unless one of the
+   NaNs is sNaN,  in which case the result is NANSIGN/NANFRAC.  */
+#define _FP_CHOOSENAN(fs, wc, R, X, Y, OP)			\
+  do {								\
+    if ((_FP_FRAC_HIGH_RAW_##fs(X) |				\
+	 _FP_FRAC_HIGH_RAW_##fs(Y)) & _FP_QNANBIT_##fs)		\
+      {								\
+	R##_s = _FP_NANSIGN_##fs;				\
+        _FP_FRAC_SET_##wc(R,_FP_NANFRAC_##fs);			\
+      }								\
+    else							\
+      {								\
+	R##_s = X##_s;						\
+        _FP_FRAC_COPY_##wc(R,X);				\
+      }								\
+    R##_c = FP_CLS_NAN;						\
+  } while (0)
+
+#define FP_EX_INVALID           (1 << 4)
+#define FP_EX_DIVZERO           (1 << 3)
+#define FP_EX_OVERFLOW          (1 << 2)
+#define FP_EX_UNDERFLOW         (1 << 1)
+#define FP_EX_INEXACT           (1 << 0)