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📄 rs6000.md

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  "TARGET_POWER || TARGET_ISEL"  "{  if (TARGET_ISEL)    {      rs6000_emit_minmax (operands[0], UMIN, operands[1], operands[2]);      DONE;    }  operands[3] = gen_reg_rtx (SImode);  operands[4] = gen_reg_rtx (SImode);  operands[5] = GEN_INT (-2147483647 - 1);}")(define_expand "umaxsi3"  [(set (match_dup 3) (xor:SI (match_operand:SI 1 "gpc_reg_operand" "")			      (match_dup 5)))   (set (match_dup 4) (xor:SI (match_operand:SI 2 "gpc_reg_operand" "")			      (match_dup 5)))   (set (match_dup 3) (if_then_else:SI (gt (match_dup 3) (match_dup 4))				       (const_int 0)				       (minus:SI (match_dup 4) (match_dup 3))))   (set (match_operand:SI 0 "gpc_reg_operand" "")	(plus:SI (match_dup 3) (match_dup 1)))]  "TARGET_POWER || TARGET_ISEL"  "{  if (TARGET_ISEL)    {      rs6000_emit_minmax (operands[0], UMAX, operands[1], operands[2]);      DONE;    }  operands[3] = gen_reg_rtx (SImode);  operands[4] = gen_reg_rtx (SImode);  operands[5] = GEN_INT (-2147483647 - 1);}")(define_insn ""  [(set (match_operand:SI 0 "gpc_reg_operand" "=r")	(if_then_else:SI (gt (match_operand:SI 1 "gpc_reg_operand" "r")			     (match_operand:SI 2 "reg_or_short_operand" "rI"))			 (const_int 0)			 (minus:SI (match_dup 2) (match_dup 1))))]  "TARGET_POWER"  "doz%I2 %0,%1,%2")(define_insn ""  [(set (match_operand:CC 0 "cc_reg_operand" "=x,?y")	(compare:CC	 (if_then_else:SI (gt (match_operand:SI 1 "gpc_reg_operand" "r,r")			      (match_operand:SI 2 "reg_or_short_operand" "rI,rI"))			  (const_int 0)			  (minus:SI (match_dup 2) (match_dup 1)))	 (const_int 0)))   (clobber (match_scratch:SI 3 "=r,r"))]  "TARGET_POWER"  "@   doz%I2. %3,%1,%2   #"  [(set_attr "type" "delayed_compare")   (set_attr "length" "4,8")])(define_split  [(set (match_operand:CC 0 "cc_reg_not_cr0_operand" "")	(compare:CC	 (if_then_else:SI (gt (match_operand:SI 1 "gpc_reg_operand" "")			      (match_operand:SI 2 "reg_or_short_operand" ""))			  (const_int 0)			  (minus:SI (match_dup 2) (match_dup 1)))	 (const_int 0)))   (clobber (match_scratch:SI 3 ""))]  "TARGET_POWER && reload_completed"  [(set (match_dup 3)	(if_then_else:SI (gt (match_dup 1) (match_dup 2))			  (const_int 0)			  (minus:SI (match_dup 2) (match_dup 1))))   (set (match_dup 0)	(compare:CC (match_dup 3)		    (const_int 0)))]  "")(define_insn ""  [(set (match_operand:CC 3 "cc_reg_operand" "=x,?y")	(compare:CC	 (if_then_else:SI (gt (match_operand:SI 1 "gpc_reg_operand" "r,r")			      (match_operand:SI 2 "reg_or_short_operand" "rI,rI"))			  (const_int 0)			  (minus:SI (match_dup 2) (match_dup 1)))	 (const_int 0)))   (set (match_operand:SI 0 "gpc_reg_operand" "=r,r")	(if_then_else:SI (gt (match_dup 1) (match_dup 2))			 (const_int 0)			 (minus:SI (match_dup 2) (match_dup 1))))]  "TARGET_POWER"  "@   doz%I2. %0,%1,%2   #"  [(set_attr "type" "delayed_compare")   (set_attr "length" "4,8")])(define_split  [(set (match_operand:CC 3 "cc_reg_not_cr0_operand" "")	(compare:CC	 (if_then_else:SI (gt (match_operand:SI 1 "gpc_reg_operand" "")			      (match_operand:SI 2 "reg_or_short_operand" ""))			  (const_int 0)			  (minus:SI (match_dup 2) (match_dup 1)))	 (const_int 0)))   (set (match_operand:SI 0 "gpc_reg_operand" "")	(if_then_else:SI (gt (match_dup 1) (match_dup 2))			 (const_int 0)			 (minus:SI (match_dup 2) (match_dup 1))))]  "TARGET_POWER && reload_completed"  [(set (match_dup 0)	(if_then_else:SI (gt (match_dup 1) (match_dup 2))			 (const_int 0)			 (minus:SI (match_dup 2) (match_dup 1))))   (set (match_dup 3)	(compare:CC (match_dup 0)		    (const_int 0)))]  "");; We don't need abs with condition code because such comparisons should;; never be done.(define_expand "abssi2"  [(set (match_operand:SI 0 "gpc_reg_operand" "")	(abs:SI (match_operand:SI 1 "gpc_reg_operand" "")))]  ""  "{  if (TARGET_ISEL)    {      emit_insn (gen_abssi2_isel (operands[0], operands[1]));      DONE;    }  else if (! TARGET_POWER)    {      emit_insn (gen_abssi2_nopower (operands[0], operands[1]));      DONE;    }}")(define_insn "*abssi2_power"  [(set (match_operand:SI 0 "gpc_reg_operand" "=r")	(abs:SI (match_operand:SI 1 "gpc_reg_operand" "r")))]  "TARGET_POWER"  "abs %0,%1")(define_insn_and_split "abssi2_isel"  [(set (match_operand:SI 0 "gpc_reg_operand" "=r")        (abs:SI (match_operand:SI 1 "gpc_reg_operand" "b")))   (clobber (match_scratch:SI 2 "=&b"))   (clobber (match_scratch:CC 3 "=y"))]  "TARGET_ISEL"  "#"  "&& reload_completed"  [(set (match_dup 2) (neg:SI (match_dup 1)))   (set (match_dup 3)	(compare:CC (match_dup 1)		    (const_int 0)))   (set (match_dup 0)	(if_then_else:SI (ge (match_dup 3)			     (const_int 0))			 (match_dup 1)			 (match_dup 2)))]  "")(define_insn_and_split "abssi2_nopower"  [(set (match_operand:SI 0 "gpc_reg_operand" "=&r,r")        (abs:SI (match_operand:SI 1 "gpc_reg_operand" "r,0")))   (clobber (match_scratch:SI 2 "=&r,&r"))]  "! TARGET_POWER && ! TARGET_ISEL"  "#"  "&& reload_completed"  [(set (match_dup 2) (ashiftrt:SI (match_dup 1) (const_int 31)))   (set (match_dup 0) (xor:SI (match_dup 2) (match_dup 1)))   (set (match_dup 0) (minus:SI (match_dup 0) (match_dup 2)))]  "")(define_insn "*nabs_power"  [(set (match_operand:SI 0 "gpc_reg_operand" "=r")	(neg:SI (abs:SI (match_operand:SI 1 "gpc_reg_operand" "r"))))]  "TARGET_POWER"  "nabs %0,%1")(define_insn_and_split "*nabs_nopower"  [(set (match_operand:SI 0 "gpc_reg_operand" "=&r,r")        (neg:SI (abs:SI (match_operand:SI 1 "gpc_reg_operand" "r,0"))))   (clobber (match_scratch:SI 2 "=&r,&r"))]  "! TARGET_POWER"  "#"  "&& reload_completed"  [(set (match_dup 2) (ashiftrt:SI (match_dup 1) (const_int 31)))   (set (match_dup 0) (xor:SI (match_dup 2) (match_dup 1)))   (set (match_dup 0) (minus:SI (match_dup 2) (match_dup 0)))]  "")(define_expand "neg<mode>2"  [(set (match_operand:SDI 0 "gpc_reg_operand" "")	(neg:SDI (match_operand:SDI 1 "gpc_reg_operand" "")))]  ""  "")(define_insn "*neg<mode>2_internal"  [(set (match_operand:GPR 0 "gpc_reg_operand" "=r")	(neg:GPR (match_operand:GPR 1 "gpc_reg_operand" "r")))]  ""  "neg %0,%1")(define_insn ""  [(set (match_operand:CC 0 "cc_reg_operand" "=x,?y")	(compare:CC (neg:P (match_operand:P 1 "gpc_reg_operand" "r,r"))		    (const_int 0)))   (clobber (match_scratch:P 2 "=r,r"))]  ""  "@   neg. %2,%1   #"  [(set_attr "type" "fast_compare")   (set_attr "length" "4,8")])(define_split  [(set (match_operand:CC 0 "cc_reg_not_cr0_operand" "")	(compare:CC (neg:P (match_operand:P 1 "gpc_reg_operand" ""))		    (const_int 0)))   (clobber (match_scratch:P 2 ""))]  "reload_completed"  [(set (match_dup 2)	(neg:P (match_dup 1)))   (set (match_dup 0)	(compare:CC (match_dup 2)		    (const_int 0)))]  "")(define_insn ""  [(set (match_operand:CC 2 "cc_reg_operand" "=x,?y")	(compare:CC (neg:P (match_operand:P 1 "gpc_reg_operand" "r,r"))		    (const_int 0)))   (set (match_operand:P 0 "gpc_reg_operand" "=r,r")	(neg:P (match_dup 1)))]  ""  "@   neg. %0,%1   #"  [(set_attr "type" "fast_compare")   (set_attr "length" "4,8")])(define_split  [(set (match_operand:CC 2 "cc_reg_not_cr0_operand" "")	(compare:CC (neg:P (match_operand:P 1 "gpc_reg_operand" ""))		    (const_int 0)))   (set (match_operand:P 0 "gpc_reg_operand" "")	(neg:P (match_dup 1)))]  "reload_completed"  [(set (match_dup 0)	(neg:P (match_dup 1)))   (set (match_dup 2)	(compare:CC (match_dup 0)		    (const_int 0)))]  "")(define_insn "clz<mode>2"  [(set (match_operand:GPR 0 "gpc_reg_operand" "=r")	(clz:GPR (match_operand:GPR 1 "gpc_reg_operand" "r")))]  ""  "{cntlz|cntlz<wd>} %0,%1")(define_expand "ctz<mode>2"  [(set (match_dup 2)	(neg:GPR (match_operand:GPR 1 "gpc_reg_operand" "r")))   (parallel [(set (match_dup 3) (and:GPR (match_dup 1)					  (match_dup 2)))	      (clobber (scratch:CC))])   (set (match_dup 4) (clz:GPR (match_dup 3)))   (set (match_operand:GPR 0 "gpc_reg_operand" "=r")	(minus:GPR (match_dup 5) (match_dup 4)))]  ""  {     operands[2] = gen_reg_rtx (<MODE>mode);     operands[3] = gen_reg_rtx (<MODE>mode);     operands[4] = gen_reg_rtx (<MODE>mode);     operands[5] = GEN_INT (GET_MODE_BITSIZE (<MODE>mode) - 1);  })(define_expand "ffs<mode>2"  [(set (match_dup 2)	(neg:GPR (match_operand:GPR 1 "gpc_reg_operand" "r")))   (parallel [(set (match_dup 3) (and:GPR (match_dup 1)					  (match_dup 2)))	      (clobber (scratch:CC))])   (set (match_dup 4) (clz:GPR (match_dup 3)))   (set (match_operand:GPR 0 "gpc_reg_operand" "=r")	(minus:GPR (match_dup 5) (match_dup 4)))]  ""  {     operands[2] = gen_reg_rtx (<MODE>mode);     operands[3] = gen_reg_rtx (<MODE>mode);     operands[4] = gen_reg_rtx (<MODE>mode);     operands[5] = GEN_INT (GET_MODE_BITSIZE (<MODE>mode));  })(define_expand "popcount<mode>2"  [(set (match_dup 2)	(unspec:GPR [(match_operand:GPR 1 "gpc_reg_operand" "r")]		     UNSPEC_POPCNTB))   (set (match_dup 3)	(mult:GPR (match_dup 2) (match_dup 4)))   (set (match_operand:GPR 0 "gpc_reg_operand" "=r")	(lshiftrt:GPR (match_dup 3) (match_dup 5)))]  "TARGET_POPCNTB"  {    operands[2] = gen_reg_rtx (<MODE>mode);    operands[3] = gen_reg_rtx (<MODE>mode);    operands[4] = force_reg (<MODE>mode,			     <MODE>mode == SImode			     ? GEN_INT (0x01010101)			     : GEN_INT ((HOST_WIDE_INT)					0x01010101 << 32 | 0x01010101));    operands[5] = GEN_INT (GET_MODE_BITSIZE (<MODE>mode) - 8);  })(define_insn "popcntb<mode>2"  [(set (match_operand:GPR 0 "gpc_reg_operand" "=r")        (unspec:GPR [(match_operand:GPR 1 "gpc_reg_operand" "r")]                     UNSPEC_POPCNTB))]  "TARGET_POPCNTB"  "popcntb %0,%1")(define_expand "mulsi3"  [(use (match_operand:SI 0 "gpc_reg_operand" ""))   (use (match_operand:SI 1 "gpc_reg_operand" ""))   (use (match_operand:SI 2 "reg_or_short_operand" ""))]  ""  "{  if (TARGET_POWER)    emit_insn (gen_mulsi3_mq (operands[0], operands[1], operands[2]));  else    emit_insn (gen_mulsi3_no_mq (operands[0], operands[1], operands[2]));  DONE;}")(define_insn "mulsi3_mq"  [(set (match_operand:SI 0 "gpc_reg_operand" "=r,r")	(mult:SI (match_operand:SI 1 "gpc_reg_operand" "%r,r")		 (match_operand:SI 2 "reg_or_short_operand" "r,I")))   (clobber (match_scratch:SI 3 "=q,q"))]  "TARGET_POWER"  "@   {muls|mullw} %0,%1,%2   {muli|mulli} %0,%1,%2"   [(set (attr "type")      (cond [(match_operand:SI 2 "s8bit_cint_operand" "")		(const_string "imul3")             (match_operand:SI 2 "short_cint_operand" "")		(const_string "imul2")]	(const_string "imul")))])(define_insn "mulsi3_no_mq"  [(set (match_operand:SI 0 "gpc_reg_operand" "=r,r")	(mult:SI (match_operand:SI 1 "gpc_reg_operand" "%r,r")		 (match_operand:SI 2 "reg_or_short_operand" "r,I")))]  "! TARGET_POWER"  "@   {muls|mullw} %0,%1,%2   {muli|mulli} %0,%1,%2"   [(set (attr "type")      (cond [(match_operand:SI 2 "s8bit_cint_operand" "")		(const_string "imul3")             (match_operand:SI 2 "short_cint_operand" "")		(const_string "imul2")]	(const_string "imul")))])(define_insn "*mulsi3_mq_internal1"  [(set (match_operand:CC 0 "cc_reg_operand" "=x,?y")	(compare:CC (mult:SI (match_operand:SI 1 "gpc_reg_operand" "%r,r")			     (match_operand:SI 2 "gpc_reg_operand" "r,r"))		    (const_int 0)))   (clobber (match_scratch:SI 3 "=r,r"))   (clobber (match_scratch:SI 4 "=q,q"))]  "TARGET_POWER"  "@   {muls.|mullw.} %3,%1,%2   #"  [(set_attr "type" "imul_compare")   (set_attr "length" "4,8")])(define_split  [(set (match_operand:CC 0 "cc_reg_not_cr0_operand" "")	(compare:CC (mult:SI (match_operand:SI 1 "gpc_reg_operand" "")			     (match_operand:SI 2 "gpc_reg_operand" ""))		    (const_int 0)))   (clobber (match_scratch:SI 3 ""))   (clobber (match_scratch:SI 4 ""))]  "TARGET_POWER && reload_completed"  [(parallel [(set (match_dup 3)	(mult:SI (match_dup 1) (match_dup 2)))   (clobber (match_dup 4))])   (set (match_dup 0)	(compare:CC (match_dup 3)		    (const_int 0)))]  "")(define_insn "*mulsi3_no_mq_internal1"  [(set (match_operand:CC 0 "cc_reg_operand" "=x,?y")	(compare:CC (mult:SI (match_operand:SI 1 "gpc_reg_operand" "%r,r")			     (match_operand:SI 2 "gpc_reg_operand" "r,r"))		    (const_int 0)))   (clobber (match_scratch:SI 3 "=r,r"))]  "! TARGET_POWER"  "@   {muls.|mullw.} %3,%1,%2   #"  [(set_attr "type" "imul_compare")   (set_attr "length" "4,8")])(define_split  [(set (match_operand:CC 0 "cc_reg_not_cr0_operand" "")	(compare:CC (mult:SI (match_operand:SI 1 "gpc_reg_operand" "")			     (match_operand:SI 2 "gpc_reg_operand" ""))		    (const_int 0)))   (clobber (match_scratch:SI 3 ""))]  "! TARGET_POWER && reload_completed"  [(set (match_dup 3)	(mult:SI (match_dup 1) (match_dup 2)))   (set (match_dup 0)	(compare:CC (match_dup 3)		    (const_int 0)))]  "")(define_insn "*mulsi3_mq_internal2"  [(set (match_operand:CC 3 "cc_reg_operand" "=x,?y")	(compare:CC (mult:SI (match_operand:SI 1 "gpc_reg_operand" "%r,r")			     (match_operand:SI 2 "gpc_reg_operand" "r,r"))		    (const_int 0)))   (set (match_operand:SI 0 "gpc_reg_operand" "=r,r")

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