about summary refs log tree commit diff
path: root/sysdeps
diff options
context:
space:
mode:
authorKaz Kojima <kkojima@rr.iij4u.or.jp>2013-12-17 09:00:05 +0900
committerKaz Kojima <kkojima@rr.iij4u.or.jp>2013-12-17 09:00:05 +0900
commit29618f6b74520811db2d2394e33606b9c7f2ef4a (patch)
treee262749f96f12f524d7f337f9fb8eb0ce91b0e80 /sysdeps
parenteacfdfbfad99346b53048d5a2da1d98f94659258 (diff)
downloadglibc-29618f6b74520811db2d2394e33606b9c7f2ef4a.tar.gz
glibc-29618f6b74520811db2d2394e33606b9c7f2ef4a.tar.xz
glibc-29618f6b74520811db2d2394e33606b9c7f2ef4a.zip
Make soft-float sh use soft-fp fma/fmaf.
Diffstat (limited to 'sysdeps')
-rw-r--r--sysdeps/sh/Implies1
-rw-r--r--sysdeps/sh/s_fma.c5
-rw-r--r--sysdeps/sh/s_fmaf.c5
-rw-r--r--sysdeps/sh/soft-fp/sfp-machine.h55
4 files changed, 66 insertions, 0 deletions
diff --git a/sysdeps/sh/Implies b/sysdeps/sh/Implies
index 780c4e2467..1fdc53d034 100644
--- a/sysdeps/sh/Implies
+++ b/sysdeps/sh/Implies
@@ -1,3 +1,4 @@
+sh/soft-fp
 wordsize-32
 ieee754/flt-32
 ieee754/dbl-64
diff --git a/sysdeps/sh/s_fma.c b/sysdeps/sh/s_fma.c
new file mode 100644
index 0000000000..d92438d448
--- /dev/null
+++ b/sysdeps/sh/s_fma.c
@@ -0,0 +1,5 @@
+#ifdef __SH_FPU_ANY__
+# include <sysdeps/ieee754/dbl-64/s_fma.c>
+#else
+# include <soft-fp/fmadf4.c>
+#endif
diff --git a/sysdeps/sh/s_fmaf.c b/sysdeps/sh/s_fmaf.c
new file mode 100644
index 0000000000..3b811ae6da
--- /dev/null
+++ b/sysdeps/sh/s_fmaf.c
@@ -0,0 +1,5 @@
+#ifdef __SH_FPU_ANY__
+# include <sysdeps/ieee754/dbl-64/s_fmaf.c>
+#else
+# include <soft-fp/fmasf4.c>
+#endif
diff --git a/sysdeps/sh/soft-fp/sfp-machine.h b/sysdeps/sh/soft-fp/sfp-machine.h
new file mode 100644
index 0000000000..9b9074860f
--- /dev/null
+++ b/sysdeps/sh/soft-fp/sfp-machine.h
@@ -0,0 +1,55 @@
+#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_MUL_MEAT_DW_S(R,X,Y)				\
+  _FP_MUL_MEAT_DW_1_wide(_FP_WFRACBITS_S,R,X,Y,umul_ppmm)
+#define _FP_MUL_MEAT_DW_D(R,X,Y)				\
+  _FP_MUL_MEAT_DW_2_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm)
+#define _FP_MUL_MEAT_DW_Q(R,X,Y)				\
+  _FP_MUL_MEAT_DW_4_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm)
+
+#define _FP_DIV_MEAT_S(R,X,Y)	_FP_DIV_MEAT_1_loop(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
+#define _FP_QNANNEGATEDP 0
+
+/* Someone please check this.  */
+#define _FP_CHOOSENAN(fs, wc, R, X, Y, OP)			\
+  do {								\
+    if ((_FP_FRAC_HIGH_RAW_##fs(X) & _FP_QNANBIT_##fs)		\
+	&& !(_FP_FRAC_HIGH_RAW_##fs(Y) & _FP_QNANBIT_##fs))	\
+      {								\
+	R##_s = Y##_s;						\
+	_FP_FRAC_COPY_##wc(R,Y);				\
+      }								\
+    else							\
+      {								\
+	R##_s = X##_s;						\
+	_FP_FRAC_COPY_##wc(R,X);				\
+      }								\
+    R##_c = FP_CLS_NAN;						\
+  } while (0)
+
+#define FP_EX_INVALID           (1 << 6)
+#define FP_EX_DIVZERO           (1 << 5)
+#define FP_EX_OVERFLOW          (1 << 4)
+#define FP_EX_UNDERFLOW         (1 << 3)
+#define FP_EX_INEXACT           (1 << 2)