mips.h (ISA_HAS_MUL3): Include TARGET_MIPS5900.

gcc/
2013-06-16  Jürgen Urban  <JuergenUrban@gmx.de>

	* config/mips/mips.h (ISA_HAS_MUL3): Include TARGET_MIPS5900.
	(ISA_HAS_MULT, ISA_HAS_DMULT, ISA_HAS_DIV, ISA_HAS_DDIV): New macros.
	* config/mips/mips.md (mul<mode>3, mul<mode>3_internal)
	(mul<mode>3_r4000): Require ISA_HAS_<D>MULT.
	(mul<mode>3_mul3): Handle TARGET_MIPS5900.
	(mulsidi3_64bit_dmul): Remove redundant TARGET_64BIT test.
	(<su>muldi3_highpart, <su>muldi3_highpart_internal, <u>mulditi3)
	(<u>mulditi3_internal, <u>mulditi3_r4000): Require ISA_HAS_DMULT
	instead of TARGET_64BIT.
	(divmod<mode>4, udivmod<mode>4, <u>divmod<GPR:mode>4_hilo_<HILO:mode>):
	Require ISA_HAS_<D>DIV.

libgcc/
2013-06-16  Jürgen Urban  <JuergenUrban@gmx.de>

	* config/mips/lib2funcs.c: New file.
	* config/mips/t-mips (LIB2ADD_ST): Add it.

From-SVN: r200140

6 files changed, 95 insertions, 13 deletions

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 9f97845..7e28ee0 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,17 @@
+2013-06-16  Jürgen Urban  <JuergenUrban@gmx.de>
+
+	* config/mips/mips.h (ISA_HAS_MUL3): Include TARGET_MIPS5900.
+	(ISA_HAS_MULT, ISA_HAS_DMULT, ISA_HAS_DIV, ISA_HAS_DDIV): New macros.
+	* config/mips/mips.md (mul<mode>3, mul<mode>3_internal)
+	(mul<mode>3_r4000): Require ISA_HAS_<D>MULT.
+	(mul<mode>3_mul3): Handle TARGET_MIPS5900.
+	(mulsidi3_64bit_dmul): Remove redundant TARGET_64BIT test.
+	(<su>muldi3_highpart, <su>muldi3_highpart_internal, <u>mulditi3)
+	(<u>mulditi3_internal, <u>mulditi3_r4000): Require ISA_HAS_DMULT
+	instead of TARGET_64BIT.
+	(divmod<mode>4, udivmod<mode>4, <u>divmod<GPR:mode>4_hilo_<HILO:mode>):
+	Require ISA_HAS_<D>DIV.
+
 2013-06-16  Richard Sandiford  <rdsandiford@googlemail.com>
 
 	* config.gcc (mips*-mti-linux*, mips64*-*-linux*, mipsisa64*-*-linux*)
diff --git a/gcc/config/mips/mips.h b/gcc/config/mips/mips.h
index 479bdd4..ff631c1 100644
--- a/gcc/config/mips/mips.h
+++ b/gcc/config/mips/mips.h
@@ -807,6 +807,7 @@ struct mips_cpu_info {
 #define ISA_HAS_MUL3		((TARGET_MIPS3900                       \
 				  || TARGET_MIPS5400			\
 				  || TARGET_MIPS5500			\
+				  || TARGET_MIPS5900			\
 				  || TARGET_MIPS7000			\
 				  || TARGET_MIPS9000			\
 				  || TARGET_MAD				\
@@ -821,6 +822,22 @@ struct mips_cpu_info {
 				 && TARGET_OCTEON			\
 				 && !TARGET_MIPS16)
 
+/* ISA supports instructions DMULT and DMULTU. */
+#define ISA_HAS_DMULT		(TARGET_64BIT && !TARGET_MIPS5900)
+
+/* ISA supports instructions MULT and MULTU.
+   This is always true, but the macro is needed for ISA_HAS_<D>MULT
+   in mips.md.  */
+#define ISA_HAS_MULT		(1)
+
+/* ISA supports instructions DDIV and DDIVU. */
+#define ISA_HAS_DDIV		(TARGET_64BIT && !TARGET_MIPS5900)
+
+/* ISA supports instructions DIV and DIVU.
+   This is always true, but the macro is needed for ISA_HAS_<D>DIV
+   in mips.md.  */
+#define ISA_HAS_DIV		(1)
+
 #define ISA_HAS_DIV3		((TARGET_LOONGSON_2EF			\
 				  || TARGET_LOONGSON_3A)		\
 				 && !TARGET_MIPS16)
diff --git a/gcc/config/mips/mips.md b/gcc/config/mips/mips.md
index ed60d0e..ce322d8 100644
--- a/gcc/config/mips/mips.md
+++ b/gcc/config/mips/mips.md
@@ -1468,7 +1468,7 @@
   [(set (match_operand:GPR 0 "register_operand")
 	(mult:GPR (match_operand:GPR 1 "register_operand")
 		  (match_operand:GPR 2 "register_operand")))]
-  ""
+  "ISA_HAS_<D>MULT"
 {
   rtx lo;
 
@@ -1514,7 +1514,7 @@
 {
   if (which_alternative == 1)
     return "<d>mult\t%1,%2";
-  if (<MODE>mode == SImode && TARGET_MIPS3900)
+  if (<MODE>mode == SImode && (TARGET_MIPS3900 || TARGET_MIPS5900))
     return "mult\t%0,%1,%2";
   return "<d>mul\t%0,%1,%2";
 }
@@ -1548,7 +1548,7 @@
   [(set (match_operand:GPR 0 "muldiv_target_operand" "=l")
 	(mult:GPR (match_operand:GPR 1 "register_operand" "d")
 		  (match_operand:GPR 2 "register_operand" "d")))]
-  "!TARGET_FIX_R4000"
+  "ISA_HAS_<D>MULT && !TARGET_FIX_R4000"
   "<d>mult\t%1,%2"
   [(set_attr "type" "imul")
    (set_attr "mode" "<MODE>")])
@@ -1558,7 +1558,7 @@
 	(mult:GPR (match_operand:GPR 1 "register_operand" "d")
 		  (match_operand:GPR 2 "register_operand" "d")))
    (clobber (match_scratch:GPR 3 "=l"))]
-  "TARGET_FIX_R4000"
+  "ISA_HAS_<D>MULT && TARGET_FIX_R4000"
   "<d>mult\t%1,%2\;mflo\t%0"
   [(set_attr "type" "imul")
    (set_attr "mode" "<MODE>")
@@ -2025,7 +2025,7 @@
 	(mult:DI (sign_extend:DI (match_operand:SI 1 "register_operand" "d"))
 		 (sign_extend:DI (match_operand:SI 2 "register_operand" "d"))))
    (clobber (match_scratch:DI 3 "=l"))]
-  "TARGET_64BIT && ISA_HAS_DMUL3"
+  "ISA_HAS_DMUL3"
   "dmul\t%0,%1,%2"
   [(set_attr "type" "imul3")
    (set_attr "mode" "DI")])
@@ -2179,7 +2179,7 @@
 	  (mult:TI (any_extend:TI (match_operand:DI 1 "register_operand"))
 		   (any_extend:TI (match_operand:DI 2 "register_operand")))
 	  (const_int 64))))]
-  "TARGET_64BIT && !(<CODE> == ZERO_EXTEND && TARGET_FIX_VR4120)"
+  "ISA_HAS_DMULT && !(<CODE> == ZERO_EXTEND && TARGET_FIX_VR4120)"
 {
   if (TARGET_MIPS16)
     emit_insn (gen_<su>muldi3_highpart_split (operands[0], operands[1],
@@ -2198,7 +2198,7 @@
 		   (any_extend:TI (match_operand:DI 2 "register_operand" "d")))
 	  (const_int 64))))
    (clobber (match_scratch:DI 3 "=l"))]
-  "TARGET_64BIT
+  "ISA_HAS_DMULT
    && !TARGET_MIPS16
    && !(<CODE> == ZERO_EXTEND && TARGET_FIX_VR4120)"
   { return TARGET_FIX_R4000 ? "dmult<u>\t%1,%2\n\tmfhi\t%0" : "#"; }
@@ -2234,7 +2234,7 @@
   [(set (match_operand:TI 0 "register_operand")
 	(mult:TI (any_extend:TI (match_operand:DI 1 "register_operand"))
 		 (any_extend:TI (match_operand:DI 2 "register_operand"))))]
-  "TARGET_64BIT && !(<CODE> == ZERO_EXTEND && TARGET_FIX_VR4120)"
+  "ISA_HAS_DMULT && !(<CODE> == ZERO_EXTEND && TARGET_FIX_VR4120)"
 {
   rtx hilo;
 
@@ -2256,7 +2256,7 @@
   [(set (match_operand:TI 0 "muldiv_target_operand" "=x")
 	(mult:TI (any_extend:TI (match_operand:DI 1 "register_operand" "d"))
 		 (any_extend:TI (match_operand:DI 2 "register_operand" "d"))))]
-  "TARGET_64BIT
+  "ISA_HAS_DMULT
    && !TARGET_FIX_R4000
    && !(<CODE> == ZERO_EXTEND && TARGET_FIX_VR4120)"
   "dmult<u>\t%1,%2"
@@ -2268,7 +2268,7 @@
 	(mult:TI (any_extend:TI (match_operand:DI 1 "register_operand" "d"))
 		 (any_extend:TI (match_operand:DI 2 "register_operand" "d"))))
    (clobber (match_scratch:TI 3 "=x"))]
-  "TARGET_64BIT
+  "ISA_HAS_DMULT
    && TARGET_FIX_R4000
    && !(<CODE> == ZERO_EXTEND && TARGET_FIX_VR4120)"
   "dmult<u>\t%1,%2\;mflo\t%L0\;mfhi\t%M0"
@@ -2564,7 +2564,7 @@
    (set (match_operand:GPR 3 "register_operand" "=d")
 	(mod:GPR (match_dup 1)
 		 (match_dup 2)))]
-  "!TARGET_FIX_VR4120"
+  "ISA_HAS_<D>DIV && !TARGET_FIX_VR4120"
   "#"
   "&& ((TARGET_MIPS16 && cse_not_expected) || reload_completed)"
   [(const_int 0)]
@@ -2587,7 +2587,7 @@
    (set (match_operand:GPR 3 "register_operand" "=d")
 	(umod:GPR (match_dup 1)
 		  (match_dup 2)))]
-  ""
+  "ISA_HAS_<D>DIV"
   "#"
   "(TARGET_MIPS16 && cse_not_expected) || reload_completed"
   [(const_int 0)]
@@ -2633,7 +2633,7 @@
 	  [(any_div:GPR (match_operand:GPR 1 "register_operand" "d")
 			(match_operand:GPR 2 "register_operand" "d"))]
 	  UNSPEC_SET_HILO))]
-  ""
+  "ISA_HAS_<GPR:D>DIV"
   { return mips_output_division ("<GPR:d>div<u>\t%.,%1,%2", operands); }
   [(set_attr "type" "idiv")
    (set_attr "mode" "<GPR:MODE>")])
diff --git a/libgcc/ChangeLog b/libgcc/ChangeLog
index 832b425..56b3463 100644
--- a/libgcc/ChangeLog
+++ b/libgcc/ChangeLog
@@ -1,3 +1,8 @@
+2013-06-16  Jürgen Urban  <JuergenUrban@gmx.de>
+
+	* config/mips/lib2funcs.c: New file.
+	* config/mips/t-mips (LIB2ADD_ST): Add it.
+
 2013-06-09  Oleg Endo  <olegendo@gcc.gnu.org>
 
 	PR target/6526
diff --git a/libgcc/config/mips/lib2funcs.c b/libgcc/config/mips/lib2funcs.c
new file mode 100644
index 0000000..85d9f17
--- /dev/null
+++ b/libgcc/config/mips/lib2funcs.c
@@ -0,0 +1,44 @@
+/* libgcc routines for MIPS
+   Copyright (C) 2013 Free Software Foundation, Inc.
+   DMULT/DDIV replacement support by Juergen Urban, JuergenUrban@gmx.de.
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 3, or (at your option) any later
+version.
+
+GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+for more details.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+<http://www.gnu.org/licenses/>.  */
+
+#if defined(__mips64) && defined(_MIPS_ARCH_R5900)
+
+/* Build DI version of libgcc functions. */
+#define LIBGCC2_UNITS_PER_WORD 4
+
+/* The following function is needed when !ISA_HAS_DMULT. */
+#define L_muldi3
+
+/* The following functions are needed when !ISA_HAS_DDIV. */
+#define L_divdi3
+#define L_moddi3
+#define L_udivdi3
+#define L_umoddi3
+#define L_udivmoddi4
+
+/* Use generic definition of functions. */
+#include "libgcc2.c"
+
+#endif
diff --git a/libgcc/config/mips/t-mips b/libgcc/config/mips/t-mips
index 719c062e..ed5550e 100644
--- a/libgcc/config/mips/t-mips
+++ b/libgcc/config/mips/t-mips
@@ -4,3 +4,5 @@ FPBIT = true
 FPBIT_CFLAGS = -DQUIET_NAN_NEGATED
 DPBIT = true
 DPBIT_CFLAGS = -DQUIET_NAN_NEGATED
+
+LIB2ADD_ST += $(srcdir)/config/mips/lib2funcs.c