Initial checkin of GCC 4.9.0 from trunk (r208799).

Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba

6 files changed, 176 insertions, 0 deletions

diff --git a/gcc-4.9/libgcc/config/tilegx/sfp-machine.h b/gcc-4.9/libgcc/config/tilegx/sfp-machine.h
new file mode 100644
index 000000000..1ce84e109
--- /dev/null
+++ b/gcc-4.9/libgcc/config/tilegx/sfp-machine.h
@@ -0,0 +1,5 @@
+#ifdef __tilegx32__
+#include "config/tilegx/sfp-machine32.h"
+#else
+#include "config/tilegx/sfp-machine64.h"
+#endif
diff --git a/gcc-4.9/libgcc/config/tilegx/sfp-machine32.h b/gcc-4.9/libgcc/config/tilegx/sfp-machine32.h
new file mode 100644
index 000000000..9fc281cc8
--- /dev/null
+++ b/gcc-4.9/libgcc/config/tilegx/sfp-machine32.h
@@ -0,0 +1,68 @@
+#define _FP_W_TYPE_SIZE		32
+#define _FP_W_TYPE		unsigned long
+#define _FP_WS_TYPE		signed long
+#define _FP_I_TYPE		long
+
+typedef int TItype __attribute__ ((mode (TI)));
+typedef unsigned int UTItype __attribute__ ((mode (TI)));
+
+#define TI_BITS (__CHAR_BIT__ * (int)sizeof(TItype))
+
+/* The type of the result of a floating point comparison.  This must
+   match `__libgcc_cmp_return__' in GCC for the target.  */
+typedef int __gcc_CMPtype __attribute__ ((mode (__libgcc_cmp_return__)));
+#define CMPtype __gcc_CMPtype
+
+#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_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
+#define _FP_NANFRAC_D		_FP_QNANBIT_D, 0
+#define _FP_NANFRAC_Q		_FP_QNANBIT_Q, 0, 0, 0
+#define _FP_NANSIGN_S		1
+#define _FP_NANSIGN_D		1
+#define _FP_NANSIGN_Q		1
+
+#define _FP_KEEPNANFRACP 1
+#define _FP_QNANNEGATEDP 0
+
+#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_TININESS_AFTER_ROUNDING 0
+
+#define	__LITTLE_ENDIAN	1234
+#define	__BIG_ENDIAN	4321
+
+#if defined __BIG_ENDIAN__
+#define __BYTE_ORDER __BIG_ENDIAN
+#else
+#define __BYTE_ORDER __LITTLE_ENDIAN
+#endif
+
+/* Define ALIASNAME as a strong alias for NAME.  */
+# define strong_alias(name, aliasname) _strong_alias(name, aliasname)
+# define _strong_alias(name, aliasname) \
+  extern __typeof (name) aliasname __attribute__ ((alias (#name)));
+
diff --git a/gcc-4.9/libgcc/config/tilegx/sfp-machine64.h b/gcc-4.9/libgcc/config/tilegx/sfp-machine64.h
new file mode 100644
index 000000000..5dbbe60c4
--- /dev/null
+++ b/gcc-4.9/libgcc/config/tilegx/sfp-machine64.h
@@ -0,0 +1,68 @@
+#define _FP_W_TYPE_SIZE		64
+#define _FP_W_TYPE		unsigned long
+#define _FP_WS_TYPE		signed long
+#define _FP_I_TYPE		long
+
+typedef int TItype __attribute__ ((mode (TI)));
+typedef unsigned int UTItype __attribute__ ((mode (TI)));
+
+#define TI_BITS (__CHAR_BIT__ * (int)sizeof(TItype))
+
+/* The type of the result of a floating point comparison.  This must
+   match `__libgcc_cmp_return__' in GCC for the target.  */
+typedef int __gcc_CMPtype __attribute__ ((mode (__libgcc_cmp_return__)));
+#define CMPtype __gcc_CMPtype
+
+#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,umul_ppmm)
+#define _FP_MUL_MEAT_Q(R,X,Y)				\
+  _FP_MUL_MEAT_2_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm)
+
+#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_norm(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
+#define _FP_NANSIGN_S		1
+#define _FP_NANSIGN_D		1
+#define _FP_NANSIGN_Q		1
+
+#define _FP_KEEPNANFRACP 1
+#define _FP_QNANNEGATEDP 0
+
+#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_TININESS_AFTER_ROUNDING 0
+
+#define	__LITTLE_ENDIAN	1234
+#define	__BIG_ENDIAN	4321
+
+#if defined __BIG_ENDIAN__
+#define __BYTE_ORDER __BIG_ENDIAN
+#else
+#define __BYTE_ORDER __LITTLE_ENDIAN
+#endif
+
+/* Define ALIASNAME as a strong alias for NAME.  */
+# define strong_alias(name, aliasname) _strong_alias(name, aliasname)
+# define _strong_alias(name, aliasname) \
+  extern __typeof (name) aliasname __attribute__ ((alias (#name)));
+
diff --git a/gcc-4.9/libgcc/config/tilegx/t-crtstuff b/gcc-4.9/libgcc/config/tilegx/t-crtstuff
new file mode 100644
index 000000000..870318ceb
--- /dev/null
+++ b/gcc-4.9/libgcc/config/tilegx/t-crtstuff
@@ -0,0 +1,8 @@
+# crtend*.o cannot be compiled without -fno-asynchronous-unwind-tables,
+# because then __FRAME_END__ might not be the last thing in .eh_frame
+# section.
+CRTSTUFF_T_CFLAGS += -fno-asynchronous-unwind-tables
+CRTSTUFF_T_CFLAGS_S += -fno-asynchronous-unwind-tables
+
+# Compile crtbeginS.o and crtendS.o with -mcmodel=large
+CRTSTUFF_T_CFLAGS_S += -mcmodel=large
diff --git a/gcc-4.9/libgcc/config/tilegx/t-softfp b/gcc-4.9/libgcc/config/tilegx/t-softfp
new file mode 100644
index 000000000..a1e3513e2
--- /dev/null
+++ b/gcc-4.9/libgcc/config/tilegx/t-softfp
@@ -0,0 +1 @@
+softfp_int_modes += ti
diff --git a/gcc-4.9/libgcc/config/tilegx/t-tilegx b/gcc-4.9/libgcc/config/tilegx/t-tilegx
new file mode 100644
index 000000000..2fb64454c
--- /dev/null
+++ b/gcc-4.9/libgcc/config/tilegx/t-tilegx
@@ -0,0 +1,26 @@
+LIB2ADD += \
+  $(srcdir)/config/tilepro/atomic.c
+
+SOFTDIVIDE_FUNCS := \
+  _tile_udivsi3 \
+  _tile_divsi3 \
+  _tile_udivdi3 \
+  _tile_divdi3 \
+  _tile_umodsi3 \
+  _tile_modsi3 \
+  _tile_umoddi3 \
+  _tile_moddi3
+
+softdivide-o = $(patsubst %,%$(objext),$(SOFTDIVIDE_FUNCS))
+$(softdivide-o): %$(objext): $(srcdir)/config/tilepro/softdivide.c
+	$(gcc_compile) -ffunction-sections -DMAYBE_STATIC= -DL$* -c $< \
+	  $(vis_hide)
+libgcc-objects += $(softdivide-o)
+
+ifeq ($(enable_shared),yes)
+softdivide-s-o = $(patsubst %,%_s$(objext),$(SOFTDIVIDE_FUNCS))
+$(softdivide-s-o): %_s$(objext): $(srcdir)/config/tilepro/softdivide.c
+	$(gcc_s_compile) -ffunction-sections -DMAYBE_STATIC= -DL$* -c $<
+libgcc-s-objects += $(softdivide-s-o)
+libgcc-eh-objects += _tile_divdi3.o _tile_umoddi3.o
+endif