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GNU C Library master sources branch master updated. glibc-2.17-886-g6bed143

From: jsm28 at sourceware dot org
To: glibc-cvs at sourceware dot org
Date: 2 Jul 2013 19:51:35 -0000
Subject: GNU C Library master sources branch master updated. glibc-2.17-886-g6bed143

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The branch, master has been updated
       via  6bed143eb4bd42be907d143cca456d527e25efec (commit)
      from  c87156e5e913532f6c470baadd7ca636678d7c8b (commit)

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- Log -----------------------------------------------------------------
http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=6bed143eb4bd42be907d143cca456d527e25efec

commit 6bed143eb4bd42be907d143cca456d527e25efec
Author: Joseph Myers <joseph@codesourcery.com>
Date:   Tue Jul 2 19:51:19 2013 +0000

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

diff --git a/ports/ChangeLog.arm b/ports/ChangeLog.arm
index 2674d0e..c7e98af 100644
--- a/ports/ChangeLog.arm
+++ b/ports/ChangeLog.arm
@@ -1,3 +1,12 @@
+2013-07-02  Joseph Myers  <joseph@codesourcery.com>
+
+	[BZ #13304]
+	* sysdeps/arm/s_fma.c: New file.
+	* sysdeps/arm/s_fmaf.c: New file.
+	* sysdeps/arm/soft-fp/sfp-machine.h: New file.  Based on powerpc
+	version.
+	* sysdeps/arm/Implies: Add arm/soft-fp.
+
 2013-07-02  Will Newton  <will.newton@linaro.org>
 
 	* sysdeps/arm/dl-machine.h (elf_machine_rela): Pass dl_hwcap
diff --git a/ports/sysdeps/arm/Implies b/ports/sysdeps/arm/Implies
index 780c4e2..10bd93a 100644
--- a/ports/sysdeps/arm/Implies
+++ b/ports/sysdeps/arm/Implies
@@ -1,3 +1,4 @@
+arm/soft-fp
 wordsize-32
 ieee754/flt-32
 ieee754/dbl-64
diff --git a/ports/sysdeps/arm/s_fma.c b/ports/sysdeps/arm/s_fma.c
new file mode 100644
index 0000000..dc4e27b
--- /dev/null
+++ b/ports/sysdeps/arm/s_fma.c
@@ -0,0 +1,5 @@
+#ifdef __SOFTFP__
+# include <soft-fp/fmadf4.c>
+#else
+# include <sysdeps/ieee754/dbl-64/s_fma.c>
+#endif
diff --git a/ports/sysdeps/arm/s_fmaf.c b/ports/sysdeps/arm/s_fmaf.c
new file mode 100644
index 0000000..550d8b8
--- /dev/null
+++ b/ports/sysdeps/arm/s_fmaf.c
@@ -0,0 +1,5 @@
+#ifdef __SOFTFP__
+# include <soft-fp/fmasf4.c>
+#else
+# include <sysdeps/ieee754/dbl-64/s_fmaf.c>
+#endif
diff --git a/ports/sysdeps/arm/soft-fp/sfp-machine.h b/ports/sysdeps/arm/soft-fp/sfp-machine.h
new file mode 100644
index 0000000..eba6e35
--- /dev/null
+++ b/ports/sysdeps/arm/soft-fp/sfp-machine.h
@@ -0,0 +1,49 @@
+#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)

-----------------------------------------------------------------------

Summary of changes:
 ports/ChangeLog.arm                     |    9 ++++++
 ports/sysdeps/arm/Implies               |    1 +
 ports/sysdeps/arm/s_fma.c               |    5 +++
 ports/sysdeps/arm/s_fmaf.c              |    5 +++
 ports/sysdeps/arm/soft-fp/sfp-machine.h |   49 +++++++++++++++++++++++++++++++
 5 files changed, 69 insertions(+), 0 deletions(-)
 create mode 100644 ports/sysdeps/arm/s_fma.c
 create mode 100644 ports/sysdeps/arm/s_fmaf.c
 create mode 100644 ports/sysdeps/arm/soft-fp/sfp-machine.h


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