altivec.md

Mac OS X 10.4.9 for x86 Source Code gcc 实现源代码

  "TARGET_ALTIVEC"
  "vcmpeqfp %0,%1,%2"
  [(set_attr "type" "veccmp")])

(define_insn "altivec_vcmpgefp"
  [(set (match_operand:V4SI 0 "register_operand" "=v")
        (unspec:V4SI [(match_operand:V4SF 1 "register_operand" "v")
                      (match_operand:V4SF 2 "register_operand" "v")] 
	               UNSPEC_VCMPGEFP))]
  "TARGET_ALTIVEC"
  "vcmpgefp %0,%1,%2"
  [(set_attr "type" "veccmp")])

(define_insn "altivec_vcmpgtub"
  [(set (match_operand:V16QI 0 "register_operand" "=v")
        (unspec:V16QI [(match_operand:V16QI 1 "register_operand" "v")
                       (match_operand:V16QI 2 "register_operand" "v")] 
                       UNSPEC_VCMPGTUB))]
  "TARGET_ALTIVEC"
  "vcmpgtub %0,%1,%2"
  [(set_attr "type" "vecsimple")])

(define_insn "altivec_vcmpgtsb"
  [(set (match_operand:V16QI 0 "register_operand" "=v")
        (unspec:V16QI [(match_operand:V16QI 1 "register_operand" "v")
                       (match_operand:V16QI 2 "register_operand" "v")] 
                       UNSPEC_VCMPGTSB))]
  "TARGET_ALTIVEC"
  "vcmpgtsb %0,%1,%2"
  [(set_attr "type" "vecsimple")])

(define_insn "altivec_vcmpgtuh"
  [(set (match_operand:V8HI 0 "register_operand" "=v")
        (unspec:V8HI [(match_operand:V8HI 1 "register_operand" "v")
                      (match_operand:V8HI 2 "register_operand" "v")] 
                      UNSPEC_VCMPGTUH))]
  "TARGET_ALTIVEC"
  "vcmpgtuh %0,%1,%2"
  [(set_attr "type" "vecsimple")])

(define_insn "altivec_vcmpgtsh"
  [(set (match_operand:V8HI 0 "register_operand" "=v")
        (unspec:V8HI [(match_operand:V8HI 1 "register_operand" "v")
                      (match_operand:V8HI 2 "register_operand" "v")] 
                      UNSPEC_VCMPGTSH))]
  "TARGET_ALTIVEC"
  "vcmpgtsh %0,%1,%2"
  [(set_attr "type" "vecsimple")])

(define_insn "altivec_vcmpgtuw"
  [(set (match_operand:V4SI 0 "register_operand" "=v")
        (unspec:V4SI [(match_operand:V4SI 1 "register_operand" "v")
                      (match_operand:V4SI 2 "register_operand" "v")] 
	              UNSPEC_VCMPGTUW))]
  "TARGET_ALTIVEC"
  "vcmpgtuw %0,%1,%2"
  [(set_attr "type" "vecsimple")])

(define_insn "altivec_vcmpgtsw"
  [(set (match_operand:V4SI 0 "register_operand" "=v")
        (unspec:V4SI [(match_operand:V4SI 1 "register_operand" "v")
                      (match_operand:V4SI 2 "register_operand" "v")] 
	              UNSPEC_VCMPGTSW))]
  "TARGET_ALTIVEC"
  "vcmpgtsw %0,%1,%2"
  [(set_attr "type" "vecsimple")])

(define_insn "altivec_vcmpgtfp"
  [(set (match_operand:V4SI 0 "register_operand" "=v")
        (unspec:V4SI [(match_operand:V4SF 1 "register_operand" "v")
                      (match_operand:V4SF 2 "register_operand" "v")] 
	              UNSPEC_VCMPGTFP))]
  "TARGET_ALTIVEC"
  "vcmpgtfp %0,%1,%2"
  [(set_attr "type" "veccmp")])

;; Fused multiply add
(define_insn "altivec_vmaddfp"
  [(set (match_operand:V4SF 0 "register_operand" "=v")
	(plus:V4SF (mult:V4SF (match_operand:V4SF 1 "register_operand" "v")
			      (match_operand:V4SF 2 "register_operand" "v"))
	  	   (match_operand:V4SF 3 "register_operand" "v")))]
  "TARGET_ALTIVEC"
  "vmaddfp %0,%1,%2,%3"
  [(set_attr "type" "vecfloat")])

;; We do multiply as a fused multiply-add with an add of a -0.0 vector.

(define_expand "mulv4sf3"
  [(use (match_operand:V4SF 0 "register_operand" ""))
   (use (match_operand:V4SF 1 "register_operand" ""))
   (use (match_operand:V4SF 2 "register_operand" ""))]
  "TARGET_ALTIVEC && TARGET_FUSED_MADD"
  "
{
  rtx neg0;

  /* Generate [-0.0, -0.0, -0.0, -0.0].  */
  neg0 = gen_reg_rtx (V4SFmode);
  emit_insn (gen_altivec_vspltisw_v4sf (neg0, constm1_rtx));
  emit_insn (gen_altivec_vslw_v4sf (neg0, neg0, neg0));

  /* Use the multiply-add.  */
  emit_insn (gen_altivec_vmaddfp (operands[0], operands[1], operands[2],
				  neg0));
  DONE;
}")

;; APPLE LOCAL begin 3972875 mainline 2005-04-18 
;; 32 bit integer multiplication
;; A_high = Operand_0 & 0xFFFF0000 >> 16
;; A_low = Operand_0 & 0xFFFF
;; B_high = Operand_1 & 0xFFFF0000 >> 16
;; B_low = Operand_1 & 0xFFFF
;; result = A_low * B_low + (A_high * B_low + B_high * A_low) << 16

;; (define_insn "mulv4si3"
;;   [(set (match_operand:V4SI 0 "register_operand" "=v")
;;         (mult:V4SI (match_operand:V4SI 1 "register_operand" "v")
;;                    (match_operand:V4SI 2 "register_operand" "v")))]
(define_expand "mulv4si3"
  [(use (match_operand:V4SI 0 "register_operand" ""))
   (use (match_operand:V4SI 1 "register_operand" ""))
   (use (match_operand:V4SI 2 "register_operand" ""))]
   "TARGET_ALTIVEC"
   "
 {
   rtx zero;
   rtx swap;
   rtx small_swap;
   rtx sixteen;
   rtx one;
   rtx two;
   rtx low_product;
   rtx high_product;
       
   zero = gen_reg_rtx (V4SImode);
   emit_insn (gen_altivec_vspltisw (zero, const0_rtx));
 
   sixteen = gen_reg_rtx (V4SImode);   
   emit_insn (gen_altivec_vspltisw (sixteen,  gen_rtx_CONST_INT (V4SImode, -16)));
 
   swap = gen_reg_rtx (V4SImode);
   emit_insn (gen_altivec_vrlw (swap, operands[2], sixteen));
 
   one = gen_reg_rtx (V8HImode);
   convert_move (one, operands[1], 0);
 
   two = gen_reg_rtx (V8HImode);
   convert_move (two, operands[2], 0);
 
   small_swap = gen_reg_rtx (V8HImode);
   convert_move (small_swap, swap, 0);
 
   low_product = gen_reg_rtx (V4SImode);
   emit_insn (gen_altivec_vmulouh (low_product, one, two));
 
   high_product = gen_reg_rtx (V4SImode);
   emit_insn (gen_altivec_vmsumuhm (high_product, one, small_swap, zero));
 
   emit_insn (gen_altivec_vslw (high_product, high_product, sixteen));
 
   emit_insn (gen_addv4si3 (operands[0], high_product, low_product));
   
   DONE;
 }")
;; APPLE LOCAL end 3972875 mainline 2005-04-18

;; Fused multiply subtract 
(define_insn "altivec_vnmsubfp"
  [(set (match_operand:V4SF 0 "register_operand" "=v")
	(neg:V4SF (minus:V4SF (mult:V4SF (match_operand:V4SF 1 "register_operand" "v")
			       (match_operand:V4SF 2 "register_operand" "v"))
	  	    (match_operand:V4SF 3 "register_operand" "v"))))]
  "TARGET_ALTIVEC"
  "vnmsubfp %0,%1,%2,%3"
  [(set_attr "type" "vecfloat")])

(define_insn "altivec_vmsumu<VI_char>m"
  [(set (match_operand:V4SI 0 "register_operand" "=v")
        (unspec:V4SI [(match_operand:VIshort 1 "register_operand" "v")
		      (match_operand:VIshort 2 "register_operand" "v")
                      (match_operand:V4SI 3 "register_operand" "v")] 65))]
  "TARGET_ALTIVEC"
  "vmsumu<VI_char>m %0,%1,%2,%3"
  [(set_attr "type" "veccomplex")])

(define_insn "altivec_vmsumm<VI_char>m"
  [(set (match_operand:V4SI 0 "register_operand" "=v")
        (unspec:V4SI [(match_operand:VIshort 1 "register_operand" "v")
		      (match_operand:VIshort 2 "register_operand" "v")
                      (match_operand:V4SI 3 "register_operand" "v")] 66))]
  "TARGET_ALTIVEC"
  "vmsumm<VI_char>m %0,%1,%2,%3"
  [(set_attr "type" "veccomplex")])

(define_insn "altivec_vmsumshm"
  [(set (match_operand:V4SI 0 "register_operand" "=v")
        (unspec:V4SI [(match_operand:V8HI 1 "register_operand" "v")
		      (match_operand:V8HI 2 "register_operand" "v")
                      (match_operand:V4SI 3 "register_operand" "v")] 68))]
  "TARGET_ALTIVEC"
  "vmsumshm %0,%1,%2,%3"
  [(set_attr "type" "veccomplex")])

(define_insn "altivec_vmsumuhs"
  [(set (match_operand:V4SI 0 "register_operand" "=v")
        (unspec:V4SI [(match_operand:V8HI 1 "register_operand" "v")
		      (match_operand:V8HI 2 "register_operand" "v")
                      (match_operand:V4SI 3 "register_operand" "v")] 69))
   (set (reg:SI 110) (unspec:SI [(const_int 0)] 213))]
  "TARGET_ALTIVEC"
  "vmsumuhs %0,%1,%2,%3"
  [(set_attr "type" "veccomplex")])

(define_insn "altivec_vmsumshs"
  [(set (match_operand:V4SI 0 "register_operand" "=v")
        (unspec:V4SI [(match_operand:V8HI 1 "register_operand" "v")
		      (match_operand:V8HI 2 "register_operand" "v")
                      (match_operand:V4SI 3 "register_operand" "v")] 70))
   (set (reg:SI 110) (unspec:SI [(const_int 0)] 213))]
  "TARGET_ALTIVEC"
  "vmsumshs %0,%1,%2,%3"
  [(set_attr "type" "veccomplex")])

;; max

(define_insn "umax<mode>3"
  [(set (match_operand:VI 0 "register_operand" "=v")
        (umax:VI (match_operand:VI 1 "register_operand" "v")
                 (match_operand:VI 2 "register_operand" "v")))]
  "TARGET_ALTIVEC"
  "vmaxu<VI_char> %0,%1,%2"
  [(set_attr "type" "vecsimple")])

(define_insn "smax<mode>3"
  [(set (match_operand:VI 0 "register_operand" "=v")
        (smax:VI (match_operand:VI 1 "register_operand" "v")
                 (match_operand:VI 2 "register_operand" "v")))]
  "TARGET_ALTIVEC"
  "vmaxs<VI_char> %0,%1,%2"
  [(set_attr "type" "vecsimple")])

(define_insn "smaxv4sf3"
  [(set (match_operand:V4SF 0 "register_operand" "=v")
        (smax:V4SF (match_operand:V4SF 1 "register_operand" "v")
                   (match_operand:V4SF 2 "register_operand" "v")))]
  "TARGET_ALTIVEC"
  "vmaxfp %0,%1,%2"
  [(set_attr "type" "veccmp")])

(define_insn "umin<mode>3"
  [(set (match_operand:VI 0 "register_operand" "=v")
        (umin:VI (match_operand:VI 1 "register_operand" "v")
                 (match_operand:VI 2 "register_operand" "v")))]
  "TARGET_ALTIVEC"
  "vminu<VI_char> %0,%1,%2"
  [(set_attr "type" "vecsimple")])

(define_insn "smin<mode>3"
  [(set (match_operand:VI 0 "register_operand" "=v")
        (smin:VI (match_operand:VI 1 "register_operand" "v")
                 (match_operand:VI 2 "register_operand" "v")))]
  "TARGET_ALTIVEC"
  "vmins<VI_char> %0,%1,%2"
  [(set_attr "type" "vecsimple")])

(define_insn "sminv4sf3"
  [(set (match_operand:V4SF 0 "register_operand" "=v")
        (smin:V4SF (match_operand:V4SF 1 "register_operand" "v")
                   (match_operand:V4SF 2 "register_operand" "v")))]
  "TARGET_ALTIVEC"
  "vminfp %0,%1,%2"
  [(set_attr "type" "veccmp")])

(define_insn "altivec_vmhaddshs"
  [(set (match_operand:V8HI 0 "register_operand" "=v")
        (unspec:V8HI [(match_operand:V8HI 1 "register_operand" "v")
		      (match_operand:V8HI 2 "register_operand" "v")
                      (match_operand:V8HI 3 "register_operand" "v")] 71))
   (set (reg:SI 110) (unspec:SI [(const_int 0)] 213))]
  "TARGET_ALTIVEC"
  "vmhaddshs %0,%1,%2,%3"
  [(set_attr "type" "veccomplex")])
(define_insn "altivec_vmhraddshs"
  [(set (match_operand:V8HI 0 "register_operand" "=v")
        (unspec:V8HI [(match_operand:V8HI 1 "register_operand" "v")
		      (match_operand:V8HI 2 "register_operand" "v")
                      (match_operand:V8HI 3 "register_operand" "v")] 72))
   (set (reg:SI 110) (unspec:SI [(const_int 0)] 213))]
  "TARGET_ALTIVEC"
  "vmhraddshs %0,%1,%2,%3"
  [(set_attr "type" "veccomplex")])
(define_insn "altivec_vmladduhm"
  [(set (match_operand:V8HI 0 "register_operand" "=v")
        (unspec:V8HI [(match_operand:V8HI 1 "register_operand" "v")
		      (match_operand:V8HI 2 "register_operand" "v")
                      (match_operand:V8HI 3 "register_operand" "v")] 73))]
  "TARGET_ALTIVEC"
  "vmladduhm %0,%1,%2,%3"
  [(set_attr "type" "veccomplex")])

;; APPLE LOCAL begin radar 4110116
(define_insn "altivec_vmrghb"
  [(set (match_operand:V16QI 0 "register_operand" "=v")
        (vec_merge:V16QI (vec_select:V16QI (match_operand:V16QI 1 "register_operand" "v")
					   (parallel [(const_int 0)
					   	      (const_int 8)
					   	      (const_int 1)
					   	      (const_int 9)
					   	      (const_int 2)
					   	      (const_int 10)
						      (const_int 3)
						      (const_int 11)
					   	      (const_int 4)
					   	      (const_int 12)
					   	      (const_int 5)
					   	      (const_int 13)
					   	      (const_int 6)
					   	      (const_int 14)
					   	      (const_int 7)
						      (const_int 15)]))
                        (vec_select:V16QI (match_operand:V16QI 2 "register_operand" "v")
					   (parallel [(const_int 8)
					   	      (const_int 0)
					   	      (const_int 9)
					   	      (const_int 1)
					   	      (const_int 10)
					   	      (const_int 2)
						      (const_int 11)
						      (const_int 3)
					   	      (const_int 12)
					   	      (const_int 4)
					   	      (const_int 13)
					   	      (const_int 5)
					   	      (const_int 14)
					   	      (const_int 6)
					   	      (const_int 15)
						      (const_int 7)]))
		      (const_int 21845)))]
  "TARGET_ALTIVEC"
  "vmrghb %0,%1,%2"
  [(set_attr "type" "vecperm")])

(define_insn "altivec_vmrghh"
  [(set (match_operand:V8HI 0 "register_operand" "=v")
        (vec_merge:V8HI (vec_select:V8HI (match_operand:V8HI 1 "register_operand" "v")
					   (parallel [(const_int 0)
					   	      (const_int 4)
					   	      (const_int 1)
					   	      (const_int 5)
					   	      (const_int 2)
					   	      (const_int 6)
					   	      (const_int 3)
					   	      (const_int 7)]))
                        (vec_select:V8HI (match_operand:V8HI 2 "register_operand" "v")
					   (parallel [(const_int 4)
					   	      (const_int 0)
					   	      (const_int 5)
					   	      (const_int 1)
					   	      (const_int 6)
					   	      (const_int 2)
					   	      (const_int 7)
					   	      (const_int 3)]))
		      (const_int 85)))]
  "TARGET_ALTIVEC"
  "vmrghh %0,%1,%2"
  [(set_attr "type" "vecperm")])