Moved from soft-fp/sysdeps/sparc/sparc64/s_scalbnl.c

1 files changed, 35 insertions, 0 deletions

diff --git a/sysdeps/alpha/soft-fp/sfp-machine.h b/sysdeps/alpha/soft-fp/sfp-machine.h
new file mode 100644
index 0000000..73b934d
--- /dev/null
+++ b/sysdeps/alpha/soft-fp/sfp-machine.h
@@ -0,0 +1,35 @@
+#define _FP_W_TYPE_SIZE		64
+#define _FP_W_TYPE		unsigned long
+#define _FP_WS_TYPE		signed long
+#define _FP_I_TYPE		long
+
+#define _alpha_mul_64_128(rhi, rlo, x, y)		\
+  __asm__("umulh %2,%3,%0; mulq %2,%3,%1"		\
+	  : "=&r"(rhi), "=r"(rlo) : "r"(x), "r"(y))
+
+#define _FP_MUL_MEAT_S(R,X,Y)					\
+  _FP_MUL_MEAT_1_imm(_FP_WFRACBITS_S,R,X,Y)
+#define _FP_MUL_MEAT_D(R,X,Y)					\
+  _FP_MUL_MEAT_1_wide(_FP_WFRACBITS_D,R,X,Y,_alpha_mul_64_128)
+#define _FP_MUL_MEAT_Q(R,X,Y)					\
+  _FP_MUL_MEAT_2_wide(_FP_WFRACBITS_Q,R,X,Y,_alpha_mul_64_128)
+
+#define _FP_DIV_MEAT_S(R,X,Y)	_FP_DIV_MEAT_1_imm(S,R,X,Y,_FP_DIV_HELP_imm)
+#define _FP_DIV_MEAT_D(R,X,Y)	_FP_DIV_MEAT_1_udiv(D,R,X,Y)
+#define _FP_DIV_MEAT_Q(R,X,Y)	_FP_DIV_MEAT_2_udiv(Q,R,X,Y)
+
+#define _FP_NANFRAC_S		_FP_QNANBIT_S
+#define _FP_NANFRAC_D		_FP_QNANBIT_D
+#define _FP_NANFRAC_Q		_FP_QNANBIT_Q, 0
+/* FIXME: This is just a wild guess */
+#define _FP_NANSIGN_S		1
+#define _FP_NANSIGN_D		1
+#define _FP_NANSIGN_Q		1
+
+#define _FP_KEEPNANFRACP 1
+#define _FP_CHOOSENAN(fs, wc, R, X, Y, OP)			\
+  do {								\
+    R##_s = Y##_s;						\
+    _FP_FRAC_COPY_##wc(R,Y);					\
+    R##_c = FP_CLS_NAN;						\
+  } while (0)