Make soft-float sh use soft-fp fma/fmaf.

diff --git a/ChangeLog b/ChangeLog
index 2d8010e..ad32031 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,12 @@
+2013-12-16  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
+
+       [BZ #13304]
+       * sysdeps/sh/s_fma.c: New file.
+       * sysdeps/sh/s_fmaf.c: New file.
+       * sysdeps/sh/soft-fp/sfp-machine.h: New file.  Based on arm
+       version.
+       * sysdeps/sh/Implies: Add sh/soft-fp.
+
 2013-12-16  Roland McGrath  <roland@hack.frob.com>
 
        * elf/dl-error.c (struct catch): Add new member `errcode'.  Add a

diff --git a/sysdeps/sh/Implies b/sysdeps/sh/Implies
index 780c4e2..1fdc53d 100644 (file)
--- 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 (file)
index 0000000..d92438d
--- /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 (file)
index 0000000..3b811ae
--- /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 (file)
index 0000000..9b90748
--- /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)