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mips nmsubb patch


final candidate.

--
Aldy Hernandez			E-mail: aldyh@redhat.com
Professional Gypsy
Red Hat, Inc.
2001-07-17  Aldy Hernandez  <aldyh@redhat.com>

        * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.

	* config/mips/mips.md (nmadd/nmsub): Use macro.

Index: mips.h
===================================================================
RCS file: /cvs/gcc/egcs/gcc/config/mips/mips.h,v
retrieving revision 1.118
diff -c -p -r1.118 mips.h
*** mips.h	2001/07/17 10:29:18	1.118
--- mips.h	2001/07/19 11:59:42
*************** extern void		sbss_section PARAMS ((void)
*** 643,648 ****
--- 643,651 ----
  /* ISA has conditional trap instructions.  */
  #define ISA_HAS_COND_TRAP	(mips_isa >= 2)
  
+ /* ISA has nmadd and nmsub instructions.  */
+ #define ISA_HAS_NMADD_NMSUB	(mips_isa == 4				\
+ 				)
  
  /* CC1_SPEC causes -mips3 and -mips4 to set -mfp64 and -mgp64; -mips1 or
     -mips2 sets -mfp32 and -mgp32.  This can be overridden by an explicit
Index: mips.md
===================================================================
RCS file: /cvs/gcc/egcs/gcc/config/mips/mips.md,v
retrieving revision 1.101
diff -c -p -r1.101 mips.md
*** mips.md	2001/07/17 10:29:18	1.101
--- mips.md	2001/07/19 11:59:44
***************
*** 2179,2185 ****
  	(neg:DF (plus:DF (mult:DF (match_operand:DF 1 "register_operand" "f")
  				  (match_operand:DF 2 "register_operand" "f"))
  			 (match_operand:DF 3 "register_operand" "f"))))]
!   "ISA_HAS_FP4 && TARGET_HARD_FLOAT && TARGET_DOUBLE_FLOAT"
    "nmadd.d\\t%0,%3,%1,%2"
    [(set_attr "type"	"fmadd")
     (set_attr "mode"	"DF")])
--- 2179,2185 ----
  	(neg:DF (plus:DF (mult:DF (match_operand:DF 1 "register_operand" "f")
  				  (match_operand:DF 2 "register_operand" "f"))
  			 (match_operand:DF 3 "register_operand" "f"))))]
!   "ISA_HAS_NMADD_NMSUB && TARGET_HARD_FLOAT && TARGET_DOUBLE_FLOAT"
    "nmadd.d\\t%0,%3,%1,%2"
    [(set_attr "type"	"fmadd")
     (set_attr "mode"	"DF")])
***************
*** 2189,2195 ****
  	(neg:SF (plus:SF (mult:SF (match_operand:SF 1 "register_operand" "f")
  				  (match_operand:SF 2 "register_operand" "f"))
  			 (match_operand:SF 3 "register_operand" "f"))))]
!   "ISA_HAS_FP4 && TARGET_HARD_FLOAT"
    "nmadd.s\\t%0,%3,%1,%2"
    [(set_attr "type"	"fmadd")
     (set_attr "mode"	"SF")])
--- 2189,2195 ----
  	(neg:SF (plus:SF (mult:SF (match_operand:SF 1 "register_operand" "f")
  				  (match_operand:SF 2 "register_operand" "f"))
  			 (match_operand:SF 3 "register_operand" "f"))))]
!   "ISA_HAS_NMADD_NMSUB && TARGET_HARD_FLOAT"
    "nmadd.s\\t%0,%3,%1,%2"
    [(set_attr "type"	"fmadd")
     (set_attr "mode"	"SF")])
***************
*** 2199,2205 ****
  	(minus:DF (match_operand:DF 1 "register_operand" "f")
  		  (mult:DF (match_operand:DF 2 "register_operand" "f")
  			   (match_operand:DF 3 "register_operand" "f"))))]
!   "ISA_HAS_FP4 && TARGET_HARD_FLOAT && TARGET_DOUBLE_FLOAT"
    "nmsub.d\\t%0,%1,%2,%3"
    [(set_attr "type"	"fmadd")
     (set_attr "mode"	"DF")])
--- 2199,2205 ----
  	(minus:DF (match_operand:DF 1 "register_operand" "f")
  		  (mult:DF (match_operand:DF 2 "register_operand" "f")
  			   (match_operand:DF 3 "register_operand" "f"))))]
!   "ISA_HAS_NMADD_NMSUB && TARGET_HARD_FLOAT && TARGET_DOUBLE_FLOAT"
    "nmsub.d\\t%0,%1,%2,%3"
    [(set_attr "type"	"fmadd")
     (set_attr "mode"	"DF")])
***************
*** 2209,2215 ****
  	(minus:SF (match_operand:SF 1 "register_operand" "f")
  		  (mult:SF (match_operand:SF 2 "register_operand" "f")
  			   (match_operand:SF 3 "register_operand" "f"))))]
!   "ISA_HAS_FP4 && TARGET_HARD_FLOAT"
    "nmsub.s\\t%0,%1,%2,%3"
    [(set_attr "type"	"fmadd")
     (set_attr "mode"	"SF")])
--- 2209,2215 ----
  	(minus:SF (match_operand:SF 1 "register_operand" "f")
  		  (mult:SF (match_operand:SF 2 "register_operand" "f")
  			   (match_operand:SF 3 "register_operand" "f"))))]
!   "ISA_HAS_NMADD_NMSUB && TARGET_HARD_FLOAT"
    "nmsub.s\\t%0,%1,%2,%3"
    [(set_attr "type"	"fmadd")
     (set_attr "mode"	"SF")])

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