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;; GCC machine description for NEC V850;; Copyright (C) 1996, 1997, 1998, 1999, 2002, 2004, 2005, 2007;; Free Software Foundation, Inc.;; Contributed by Jeff Law (law@cygnus.com).;; 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.;; You should have received a copy of the GNU General Public License;; along with GCC; see the file COPYING3. If not see;; <http://www.gnu.org/licenses/>.;; The original PO technology requires these to be ordered by speed,;; so that assigner will pick the fastest.;; See file "rtl.def" for documentation on define_insn, match_*, et. al.;; The V851 manual states that the instruction address space is 16M;;; the various branch/call instructions only have a 22bit offset (4M range).;;;; One day we'll probably need to handle calls to targets more than 4M;; away.;; The size of instructions in bytes.(define_attr "length" ""(const_int 4))(define_attr "long_calls" "yes,no"(const (if_then_else (symbol_ref "TARGET_LONG_CALLS")(const_string "yes")(const_string "no"))));; Types of instructions (for scheduling purposes).(define_attr "type" "load,mult,other"(const_string "other"));; Condition code settings.;; none - insn does not affect cc;; none_0hit - insn does not affect cc but it does modify operand 0;; This attribute is used to keep track of when operand 0 changes.;; See the description of NOTICE_UPDATE_CC for more info.;; set_znv - sets z,n,v to usable values; c is unknown.;; set_zn - sets z,n to usable values; v,c is unknown.;; compare - compare instruction;; clobber - value of cc is unknown(define_attr "cc" "none,none_0hit,set_zn,set_znv,compare,clobber"(const_string "clobber"));; Function units for the V850. As best as I can tell, there's;; a traditional memory load/use stall as well as a stall if;; the result of a multiply is used too early.(define_insn_reservation "v850_other" 1(eq_attr "type" "other")"nothing")(define_insn_reservation "v850_mult" 2(eq_attr "type" "mult")"nothing")(define_insn_reservation "v850_memory" 2(eq_attr "type" "load")"nothing")(include "predicates.md");; ----------------------------------------------------------------------;; MOVE INSTRUCTIONS;; ----------------------------------------------------------------------;; movqi(define_expand "movqi"[(set (match_operand:QI 0 "general_operand" "")(match_operand:QI 1 "general_operand" ""))]"""{/* One of the ops has to be in a register or 0 */if (!register_operand (operand0, QImode)&& !reg_or_0_operand (operand1, QImode))operands[1] = copy_to_mode_reg (QImode, operand1);}")(define_insn "*movqi_internal"[(set (match_operand:QI 0 "general_operand" "=r,r,r,Q,r,m,m")(match_operand:QI 1 "general_operand" "Jr,n,Q,Ir,m,r,I"))]"register_operand (operands[0], QImode)|| reg_or_0_operand (operands[1], QImode)""* return output_move_single (operands);"[(set_attr "length" "2,4,2,2,4,4,4")(set_attr "cc" "none_0hit,none_0hit,none_0hit,none_0hit,none_0hit,none_0hit,none_0hit")(set_attr "type" "other,other,load,other,load,other,other")]);; movhi(define_expand "movhi"[(set (match_operand:HI 0 "general_operand" "")(match_operand:HI 1 "general_operand" ""))]"""{/* One of the ops has to be in a register or 0 */if (!register_operand (operand0, HImode)&& !reg_or_0_operand (operand1, HImode))operands[1] = copy_to_mode_reg (HImode, operand1);}")(define_insn "*movhi_internal"[(set (match_operand:HI 0 "general_operand" "=r,r,r,Q,r,m,m")(match_operand:HI 1 "general_operand" "Jr,n,Q,Ir,m,r,I"))]"register_operand (operands[0], HImode)|| reg_or_0_operand (operands[1], HImode)""* return output_move_single (operands);"[(set_attr "length" "2,4,2,2,4,4,4")(set_attr "cc" "none_0hit,none_0hit,none_0hit,none_0hit,none_0hit,none_0hit,none_0hit")(set_attr "type" "other,other,load,other,load,other,other")]);; movsi and helpers(define_insn "*movsi_high"[(set (match_operand:SI 0 "register_operand" "=r")(high:SI (match_operand 1 "" "")))]"""movhi hi(%1),%.,%0"[(set_attr "length" "4")(set_attr "cc" "none_0hit")(set_attr "type" "other")])(define_insn "*movsi_lo"[(set (match_operand:SI 0 "register_operand" "=r")(lo_sum:SI (match_operand:SI 1 "register_operand" "r")(match_operand:SI 2 "immediate_operand" "i")))]"""movea lo(%2),%1,%0"[(set_attr "length" "4")(set_attr "cc" "none_0hit")(set_attr "type" "other")])(define_expand "movsi"[(set (match_operand:SI 0 "general_operand" "")(match_operand:SI 1 "general_operand" ""))]"""{/* One of the ops has to be in a register or 0 */if (!register_operand (operand0, SImode)&& !reg_or_0_operand (operand1, SImode))operands[1] = copy_to_mode_reg (SImode, operand1);/* Some constants, as well as symbolic operandsmust be done with HIGH & LO_SUM patterns. */if (CONSTANT_P (operands[1])&& GET_CODE (operands[1]) != HIGH&& ! TARGET_V850E&& !special_symbolref_operand (operands[1], VOIDmode)&& !(GET_CODE (operands[1]) == CONST_INT&& (CONST_OK_FOR_J (INTVAL (operands[1]))|| CONST_OK_FOR_K (INTVAL (operands[1]))|| CONST_OK_FOR_L (INTVAL (operands[1]))))){rtx temp;if (reload_in_progress || reload_completed)temp = operands[0];elsetemp = gen_reg_rtx (SImode);emit_insn (gen_rtx_SET (SImode, temp,gen_rtx_HIGH (SImode, operand1)));emit_insn (gen_rtx_SET (SImode, operand0,gen_rtx_LO_SUM (SImode, temp, operand1)));DONE;}}");; This is the same as the following pattern, except that it includes;; support for arbitrary 32 bit immediates.;; ??? This always loads addresses using hilo. If the only use of this address;; was in a load/store, then we would get smaller code if we only loaded the;; upper part with hi, and then put the lower part in the load/store insn.(define_insn "*movsi_internal_v850e"[(set (match_operand:SI 0 "general_operand" "=r,r,r,r,Q,r,r,m,m,r")(match_operand:SI 1 "general_operand" "Jr,K,L,Q,Ir,m,R,r,I,i"))]"TARGET_V850E&& (register_operand (operands[0], SImode)|| reg_or_0_operand (operands[1], SImode))""* return output_move_single (operands);"[(set_attr "length" "2,4,4,2,2,4,4,4,4,6")(set_attr "cc" "none_0hit,none_0hit,none_0hit,none_0hit,none_0hit,none_0hit,none_0hit,none_0hit,none_0hit,none_0hit")(set_attr "type" "other,other,other,load,other,load,other,other,other,other")])(define_insn "*movsi_internal"[(set (match_operand:SI 0 "general_operand" "=r,r,r,r,Q,r,r,m,m")(match_operand:SI 1 "movsi_source_operand" "Jr,K,L,Q,Ir,m,R,r,I"))]"register_operand (operands[0], SImode)|| reg_or_0_operand (operands[1], SImode)""* return output_move_single (operands);"[(set_attr "length" "2,4,4,2,2,4,4,4,4")(set_attr "cc" "none_0hit,none_0hit,none_0hit,none_0hit,none_0hit,none_0hit,none_0hit,none_0hit,none_0hit")(set_attr "type" "other,other,other,load,other,load,other,other,other")])(define_expand "movdi"[(set (match_operand:DI 0 "general_operand" "")(match_operand:DI 1 "general_operand" ""))]"""{/* One of the ops has to be in a register or 0 */if (!register_operand (operand0, DImode)&& !reg_or_0_operand (operand1, DImode))operands[1] = copy_to_mode_reg (DImode, operand1);}")(define_insn "*movdi_internal"[(set (match_operand:DI 0 "general_operand" "=r,r,r,r,r,m,m,r")(match_operand:DI 1 "general_operand" "Jr,K,L,i,m,r,IG,iF"))]"register_operand (operands[0], DImode)|| reg_or_0_operand (operands[1], DImode)""* return output_move_double (operands);"[(set_attr "length" "4,8,8,16,8,8,8,16")(set_attr "cc" "none_0hit,none_0hit,none_0hit,none_0hit,none_0hit,none_0hit,none_0hit,none_0hit")(set_attr "type" "other,other,other,other,load,other,other,other")])(define_expand "movsf"[(set (match_operand:SF 0 "general_operand" "")(match_operand:SF 1 "general_operand" ""))]"""{/* One of the ops has to be in a register or 0 */if (!register_operand (operand0, SFmode)&& !reg_or_0_operand (operand1, SFmode))operands[1] = copy_to_mode_reg (SFmode, operand1);}")(define_insn "*movsf_internal"[(set (match_operand:SF 0 "general_operand" "=r,r,r,r,r,Q,r,m,m,r")(match_operand:SF 1 "general_operand" "Jr,K,L,n,Q,Ir,m,r,IG,iF"))]"register_operand (operands[0], SFmode)|| reg_or_0_operand (operands[1], SFmode)""* return output_move_single (operands);"[(set_attr "length" "2,4,4,8,2,2,4,4,4,8")(set_attr "cc" "none_0hit,none_0hit,none_0hit,none_0hit,none_0hit,none_0hit,none_0hit,none_0hit,none_0hit,none_0hit")(set_attr "type" "other,other,other,other,load,other,load,other,other,other")])(define_expand "movdf"[(set (match_operand:DF 0 "general_operand" "")(match_operand:DF 1 "general_operand" ""))]"""{/* One of the ops has to be in a register or 0 */if (!register_operand (operand0, DFmode)&& !reg_or_0_operand (operand1, DFmode))operands[1] = copy_to_mode_reg (DFmode, operand1);}")(define_insn "*movdf_internal"[(set (match_operand:DF 0 "general_operand" "=r,r,r,r,r,m,m,r")(match_operand:DF 1 "general_operand" "Jr,K,L,i,m,r,IG,iF"))]"register_operand (operands[0], DFmode)|| reg_or_0_operand (operands[1], DFmode)""* return output_move_double (operands);"[(set_attr "length" "4,8,8,16,8,8,8,16")(set_attr "cc" "none_0hit,none_0hit,none_0hit,none_0hit,none_0hit,none_0hit,none_0hit,none_0hit")(set_attr "type" "other,other,other,other,load,other,other,other")]);; ----------------------------------------------------------------------;; TEST INSTRUCTIONS;; ----------------------------------------------------------------------(define_insn "*v850_tst1"[(set (cc0) (zero_extract:SI (match_operand:QI 0 "memory_operand" "m")(const_int 1)(match_operand:QI 1 "const_int_operand" "n")))]"""tst1 %1,%0"[(set_attr "length" "4")(set_attr "cc" "clobber")]);; This replaces ld.b;sar;andi with tst1;setf nz.;; ??? The zero_extract sets the Z bit to the opposite of what one would;; expect. This perhaps should be wrapped in a (eq: X (const_int 0)).(define_split[(set (match_operand:SI 0 "register_operand" "")(zero_extract:SI (match_operand:QI 1 "memory_operand" "")(const_int 1)(match_operand 2 "const_int_operand" "")))]""[(set (cc0) (zero_extract:SI (match_dup 1)(const_int 1)(match_dup 2)))(set (match_dup 0) (ne:SI (cc0) (const_int 0)))])(define_insn "tstsi"[(set (cc0) (match_operand:SI 0 "register_operand" "r"))]"""cmp %.,%0"[(set_attr "length" "2")(set_attr "cc" "set_znv")])(define_insn "cmpsi"[(set (cc0)(compare (match_operand:SI 0 "register_operand" "r,r")(match_operand:SI 1 "reg_or_int5_operand" "r,J")))]"""@cmp %1,%0cmp %1,%0"[(set_attr "length" "2,2")(set_attr "cc" "compare")]);; ----------------------------------------------------------------------;; ADD INSTRUCTIONS;; ----------------------------------------------------------------------(define_insn "addsi3"[(set (match_operand:SI 0 "register_operand" "=r,r,r")(plus:SI (match_operand:SI 1 "register_operand" "%0,r,r")(match_operand:SI 2 "nonmemory_operand" "rJ,K,U")))]"""@add %2,%0addi %2,%1,%0addi %O2(%P2),%1,%0"[(set_attr "length" "2,4,4")(set_attr "cc" "set_zn,set_zn,set_zn")]);; ----------------------------------------------------------------------;; SUBTRACT INSTRUCTIONS;; ----------------------------------------------------------------------(define_insn "subsi3"[(set (match_operand:SI 0 "register_operand" "=r,r")(minus:SI (match_operand:SI 1 "register_operand" "0,r")(match_operand:SI 2 "register_operand" "r,0")))]"""@sub %2,%0subr %1,%0"[(set_attr "length" "2,2")(set_attr "cc" "set_zn")])(define_insn "negsi2"[(set (match_operand:SI 0 "register_operand" "=r")(neg:SI (match_operand:SI 1 "register_operand" "0")))]"""subr %.,%0"[(set_attr "length" "2")(set_attr "cc" "set_zn")]);; ----------------------------------------------------------------------;; MULTIPLY INSTRUCTIONS;; ----------------------------------------------------------------------(define_expand "mulhisi3"[(set (match_operand:SI 0 "register_operand" "")(mult:SI(sign_extend:SI (match_operand:HI 1 "register_operand" ""))(sign_extend:SI (match_operand:HI 2 "nonmemory_operand" ""))))]"""if (GET_CODE (operands[2]) == CONST_INT){emit_insn (gen_mulhisi3_internal2 (operands[0], operands[1], operands[2]));DONE;}")(define_insn "*mulhisi3_internal1"[(set (match_operand:SI 0 "register_operand" "=r")(mult:SI(sign_extend:SI (match_operand:HI 1 "register_operand" "%0"))(sign_extend:SI (match_operand:HI 2 "register_operand" "r"))))]"""mulh %2,%0"[(set_attr "length" "2")(set_attr "cc" "none_0hit")(set_attr "type" "mult")])(define_insn "mulhisi3_internal2"[(set (match_operand:SI 0 "register_operand" "=r,r")(mult:SI(sign_extend:SI (match_operand:HI 1 "register_operand" "%0,r"))(match_operand:HI 2 "const_int_operand" "J,K")))]"""@mulh %2,%0mulhi %2,%1,%0"[(set_attr "length" "2,4")(set_attr "cc" "none_0hit,none_0hit")(set_attr "type" "mult")]);; ??? The scheduling info is probably wrong.;; ??? This instruction can also generate the 32 bit highpart, but using it;; may increase code size counter to the desired result.;; ??? This instructions can also give a DImode result.;; ??? There is unsigned version, but it matters only for the DImode/highpart;; results.(define_insn "mulsi3"[(set (match_operand:SI 0 "register_operand" "=r")(mult:SI (match_operand:SI 1 "register_operand" "%0")(match_operand:SI 2 "reg_or_int9_operand" "rO")))]"TARGET_V850E""mul %2,%1,%."[(set_attr "length" "4")(set_attr "cc" "none_0hit")(set_attr "type" "mult")]);; ----------------------------------------------------------------------;; DIVIDE INSTRUCTIONS;; ----------------------------------------------------------------------;; ??? These insns do set the Z/N condition codes, except that they are based;; on only one of the two results, so it doesn't seem to make sense to use;; them.;; ??? The scheduling info is probably wrong.(define_insn "divmodsi4"[(set (match_operand:SI 0 "register_operand" "=r")(div:SI (match_operand:SI 1 "register_operand" "0")(match_operand:SI 2 "register_operand" "r")))(set (match_operand:SI 3 "register_operand" "=r")(mod:SI (match_dup 1)(match_dup 2)))]"TARGET_V850E""div %2,%0,%3"[(set_attr "length" "4")(set_attr "cc" "clobber")(set_attr "type" "other")])(define_insn "udivmodsi4"[(set (match_operand:SI 0 "register_operand" "=r")(udiv:SI (match_operand:SI 1 "register_operand" "0")(match_operand:SI 2 "register_operand" "r")))(set (match_operand:SI 3 "register_operand" "=r")(umod:SI (match_dup 1)(match_dup 2)))]"TARGET_V850E""divu %2,%0,%3"[(set_attr "length" "4")(set_attr "cc" "clobber")(set_attr "type" "other")]);; ??? There is a 2 byte instruction for generating only the quotient.;; However, it isn't clear how to compute the length field correctly.(define_insn "divmodhi4"[(set (match_operand:HI 0 "register_operand" "=r")(div:HI (match_operand:HI 1 "register_operand" "0")(match_operand:HI 2 "register_operand" "r")))(set (match_operand:HI 3 "register_operand" "=r")(mod:HI (match_dup 1)(match_dup 2)))]"TARGET_V850E""divh %2,%0,%3"[(set_attr "length" "4")(set_attr "cc" "clobber")(set_attr "type" "other")]);; Half-words are sign-extended by default, so we must zero extend to a word;; here before doing the divide.(define_insn "udivmodhi4"[(set (match_operand:HI 0 "register_operand" "=r")(udiv:HI (match_operand:HI 1 "register_operand" "0")(match_operand:HI 2 "register_operand" "r")))(set (match_operand:HI 3 "register_operand" "=r")(umod:HI (match_dup 1)(match_dup 2)))]"TARGET_V850E""zxh %0 ; divhu %2,%0,%3"[(set_attr "length" "4")(set_attr "cc" "clobber")(set_attr "type" "other")]);; ----------------------------------------------------------------------;; AND INSTRUCTIONS;; ----------------------------------------------------------------------(define_insn "*v850_clr1_1"[(set (match_operand:QI 0 "memory_operand" "=m")(subreg:QI(and:SI (subreg:SI (match_dup 0) 0)(match_operand:QI 1 "not_power_of_two_operand" "")) 0))]"""*{rtx xoperands[2];xoperands[0] = operands[0];xoperands[1] = GEN_INT (~INTVAL (operands[1]) & 0xff);output_asm_insn (\"clr1 %M1,%0\", xoperands);return \"\";}"[(set_attr "length" "4")(set_attr "cc" "clobber")])(define_insn "*v850_clr1_2"[(set (match_operand:HI 0 "indirect_operand" "=m")(subreg:HI(and:SI (subreg:SI (match_dup 0) 0)(match_operand:HI 1 "not_power_of_two_operand" "")) 0))]"""*{int log2 = exact_log2 (~INTVAL (operands[1]) & 0xffff);rtx xoperands[2];xoperands[0] = gen_rtx_MEM (QImode,plus_constant (XEXP (operands[0], 0), log2 / 8));xoperands[1] = GEN_INT (log2 % 8);output_asm_insn (\"clr1 %1,%0\", xoperands);return \"\";}"[(set_attr "length" "4")(set_attr "cc" "clobber")])(define_insn "*v850_clr1_3"[(set (match_operand:SI 0 "indirect_operand" "=m")(and:SI (match_dup 0)(match_operand:SI 1 "not_power_of_two_operand" "")))]"""*{int log2 = exact_log2 (~INTVAL (operands[1]) & 0xffffffff);rtx xoperands[2];xoperands[0] = gen_rtx_MEM (QImode,plus_constant (XEXP (operands[0], 0), log2 / 8));xoperands[1] = GEN_INT (log2 % 8);output_asm_insn (\"clr1 %1,%0\", xoperands);return \"\";}"[(set_attr "length" "4")(set_attr "cc" "clobber")])(define_insn "andsi3"[(set (match_operand:SI 0 "register_operand" "=r,r,r")(and:SI (match_operand:SI 1 "register_operand" "%0,0,r")(match_operand:SI 2 "nonmemory_operand" "r,I,M")))]"""@and %2,%0and %.,%0andi %2,%1,%0"[(set_attr "length" "2,2,4")(set_attr "cc" "set_znv")]);; ----------------------------------------------------------------------;; OR INSTRUCTIONS;; ----------------------------------------------------------------------(define_insn "*v850_set1_1"[(set (match_operand:QI 0 "memory_operand" "=m")(subreg:QI (ior:SI (subreg:SI (match_dup 0) 0)(match_operand 1 "power_of_two_operand" "")) 0))]"""set1 %M1,%0"[(set_attr "length" "4")(set_attr "cc" "clobber")])(define_insn "*v850_set1_2"[(set (match_operand:HI 0 "indirect_operand" "=m")(subreg:HI (ior:SI (subreg:SI (match_dup 0) 0)(match_operand 1 "power_of_two_operand" "")) 0))]"""*{int log2 = exact_log2 (INTVAL (operands[1]));if (log2 < 8)return \"set1 %M1,%0\";else{rtx xoperands[2];xoperands[0] = gen_rtx_MEM (QImode,plus_constant (XEXP (operands[0], 0),log2 / 8));xoperands[1] = GEN_INT (log2 % 8);output_asm_insn (\"set1 %1,%0\", xoperands);}return \"\";}"[(set_attr "length" "4")(set_attr "cc" "clobber")])(define_insn "*v850_set1_3"[(set (match_operand:SI 0 "indirect_operand" "=m")(ior:SI (match_dup 0)(match_operand 1 "power_of_two_operand" "")))]"""*{int log2 = exact_log2 (INTVAL (operands[1]));if (log2 < 8)return \"set1 %M1,%0\";else{rtx xoperands[2];xoperands[0] = gen_rtx_MEM (QImode,plus_constant (XEXP (operands[0], 0),log2 / 8));xoperands[1] = GEN_INT (log2 % 8);output_asm_insn (\"set1 %1,%0\", xoperands);}return \"\";}"[(set_attr "length" "4")(set_attr "cc" "clobber")])(define_insn "iorsi3"[(set (match_operand:SI 0 "register_operand" "=r,r,r")(ior:SI (match_operand:SI 1 "register_operand" "%0,0,r")(match_operand:SI 2 "nonmemory_operand" "r,I,M")))]"""@or %2,%0or %.,%0ori %2,%1,%0"[(set_attr "length" "2,2,4")(set_attr "cc" "set_znv")]);; ----------------------------------------------------------------------;; XOR INSTRUCTIONS;; ----------------------------------------------------------------------(define_insn "*v850_not1_1"[(set (match_operand:QI 0 "memory_operand" "=m")(subreg:QI (xor:SI (subreg:SI (match_dup 0) 0)(match_operand 1 "power_of_two_operand" "")) 0))]"""not1 %M1,%0"[(set_attr "length" "4")(set_attr "cc" "clobber")])(define_insn "*v850_not1_2"[(set (match_operand:HI 0 "indirect_operand" "=m")(subreg:HI (xor:SI (subreg:SI (match_dup 0) 0)(match_operand 1 "power_of_two_operand" "")) 0))]"""*{int log2 = exact_log2 (INTVAL (operands[1]));if (log2 < 8)return \"not1 %M1,%0\";else{rtx xoperands[2];xoperands[0] = gen_rtx_MEM (QImode,plus_constant (XEXP (operands[0], 0),log2 / 8));xoperands[1] = GEN_INT (log2 % 8);output_asm_insn (\"not1 %1,%0\", xoperands);}return \"\";}"[(set_attr "length" "4")(set_attr "cc" "clobber")])(define_insn "*v850_not1_3"[(set (match_operand:SI 0 "indirect_operand" "=m")(xor:SI (match_dup 0)(match_operand 1 "power_of_two_operand" "")))]"""*{int log2 = exact_log2 (INTVAL (operands[1]));if (log2 < 8)return \"not1 %M1,%0\";else{rtx xoperands[2];xoperands[0] = gen_rtx_MEM (QImode,plus_constant (XEXP (operands[0], 0),log2 / 8));xoperands[1] = GEN_INT (log2 % 8);output_asm_insn (\"not1 %1,%0\", xoperands);}return \"\";}"[(set_attr "length" "4")(set_attr "cc" "clobber")])(define_insn "xorsi3"[(set (match_operand:SI 0 "register_operand" "=r,r,r")(xor:SI (match_operand:SI 1 "register_operand" "%0,0,r")(match_operand:SI 2 "nonmemory_operand" "r,I,M")))]"""@xor %2,%0xor %.,%0xori %2,%1,%0"[(set_attr "length" "2,2,4")(set_attr "cc" "set_znv")]);; ----------------------------------------------------------------------;; NOT INSTRUCTIONS;; ----------------------------------------------------------------------(define_insn "one_cmplsi2"[(set (match_operand:SI 0 "register_operand" "=r")(not:SI (match_operand:SI 1 "register_operand" "r")))]"""not %1,%0"[(set_attr "length" "2")(set_attr "cc" "set_znv")]);; -----------------------------------------------------------------;; BIT FIELDS;; -----------------------------------------------------------------;; ??? Is it worth defining insv and extv for the V850 series?!?;; An insv pattern would be useful, but does not get used because;; store_bit_field never calls insv when storing a constant value into a;; single-bit bitfield.;; extv/extzv patterns would be useful, but do not get used because;; optimize_bitfield_compare in fold-const usually converts single;; bit extracts into an AND with a mask.;; -----------------------------------------------------------------;; Scc INSTRUCTIONS;; -----------------------------------------------------------------(define_insn "sle"[(set (match_operand:SI 0 "register_operand" "=r")(le:SI (cc0) (const_int 0)))]"""*{if ((cc_status.flags & CC_OVERFLOW_UNUSABLE) != 0)return 0;return \"setf le,%0\";}"[(set_attr "length" "4")(set_attr "cc" "none_0hit")])(define_insn "sleu"[(set (match_operand:SI 0 "register_operand" "=r")(leu:SI (cc0) (const_int 0)))]"""setf nh,%0"[(set_attr "length" "4")(set_attr "cc" "none_0hit")])(define_insn "sge"[(set (match_operand:SI 0 "register_operand" "=r")(ge:SI (cc0) (const_int 0)))]"""*{if ((cc_status.flags & CC_OVERFLOW_UNUSABLE) != 0)return 0;return \"setf ge,%0\";}"[(set_attr "length" "4")(set_attr "cc" "none_0hit")])(define_insn "sgeu"[(set (match_operand:SI 0 "register_operand" "=r")(geu:SI (cc0) (const_int 0)))]"""setf nl,%0"[(set_attr "length" "4")(set_attr "cc" "none_0hit")])(define_insn "slt"[(set (match_operand:SI 0 "register_operand" "=r")(lt:SI (cc0) (const_int 0)))]"""*{if ((cc_status.flags & CC_OVERFLOW_UNUSABLE) != 0)return 0;return \"setf lt,%0\";}"[(set_attr "length" "4")(set_attr "cc" "none_0hit")])(define_insn "sltu"[(set (match_operand:SI 0 "register_operand" "=r")(ltu:SI (cc0) (const_int 0)))]"""setf l,%0"[(set_attr "length" "4")(set_attr "cc" "none_0hit")])(define_insn "sgt"[(set (match_operand:SI 0 "register_operand" "=r")(gt:SI (cc0) (const_int 0)))]"""*{if ((cc_status.flags & CC_OVERFLOW_UNUSABLE) != 0)return 0;return \"setf gt,%0\";}"[(set_attr "length" "4")(set_attr "cc" "none_0hit")])(define_insn "sgtu"[(set (match_operand:SI 0 "register_operand" "=r")(gtu:SI (cc0) (const_int 0)))]"""setf h,%0"[(set_attr "length" "4")(set_attr "cc" "none_0hit")])(define_insn "seq"[(set (match_operand:SI 0 "register_operand" "=r")(eq:SI (cc0) (const_int 0)))]"""setf z,%0"[(set_attr "length" "4")(set_attr "cc" "none_0hit")])(define_insn "sne"[(set (match_operand:SI 0 "register_operand" "=r")(ne:SI (cc0) (const_int 0)))]"""setf nz,%0"[(set_attr "length" "4")(set_attr "cc" "none_0hit")]);; ----------------------------------------------------------------------;; CONDITIONAL MOVE INSTRUCTIONS;; ----------------------------------------------------------------------;; Instructions using cc0 aren't allowed to have input reloads, so we must;; hide the fact that this instruction uses cc0. We do so by including the;; compare instruction inside it.;; ??? This is very ugly. The right way to do this is to modify cmpsi so;; that it doesn't emit RTL, and then modify the bcc/scc patterns so that;; they emit RTL for the compare instruction. Unfortunately, this requires;; lots of changes that will be hard to sanitize. So for now, cmpsi still;; emits RTL, and I get the compare operands here from the previous insn.(define_expand "movsicc"[(set (match_operand:SI 0 "register_operand" "=r")(if_then_else:SI(match_operator 1 "comparison_operator"[(match_dup 4) (match_dup 5)])(match_operand:SI 2 "reg_or_const_operand" "rJ")(match_operand:SI 3 "reg_or_const_operand" "rI")))]"TARGET_V850E""{rtx insn = get_last_insn_anywhere ();rtx src;if ( (GET_CODE (operands[2]) == CONST_INT&& GET_CODE (operands[3]) == CONST_INT)){int o2 = INTVAL (operands[2]);int o3 = INTVAL (operands[3]);if (o2 == 1 && o3 == 0)FAIL; /* setf */if (o3 == 1 && o2 == 0)FAIL; /* setf */if (o2 == 0 && (o3 < -16 || o3 > 15) && exact_log2 (o3) >= 0)FAIL; /* setf + shift */if (o3 == 0 && (o2 < -16 || o2 > 15) && exact_log2 (o2) >=0)FAIL; /* setf + shift */if (o2 != 0)operands[2] = copy_to_mode_reg (SImode, operands[2]);if (o3 !=0 )operands[3] = copy_to_mode_reg (SImode, operands[3]);}else{if (GET_CODE (operands[2]) != REG)operands[2] = copy_to_mode_reg (SImode,operands[2]);if (GET_CODE (operands[3]) != REG)operands[3] = copy_to_mode_reg (SImode, operands[3]);}gcc_assert (GET_CODE (insn) == INSN&& GET_CODE (PATTERN (insn)) == SET&& SET_DEST (PATTERN (insn)) == cc0_rtx);src = SET_SRC (PATTERN (insn));switch (GET_CODE (src)){case COMPARE:operands[4] = XEXP (src, 0);operands[5] = XEXP (src, 1);break;case REG:case SUBREG:operands[4] = src;operands[5] = const0_rtx;break;default:gcc_unreachable ();}}");; ??? Clobbering the condition codes is overkill.;; ??? We sometimes emit an unnecessary compare instruction because the;; condition codes may have already been set by an earlier instruction,;; but we have no code here to avoid the compare if it is unnecessary.(define_insn "*movsicc_normal"[(set (match_operand:SI 0 "register_operand" "=r")(if_then_else:SI(match_operator 1 "comparison_operator"[(match_operand:SI 4 "register_operand" "r")(match_operand:SI 5 "reg_or_int5_operand" "rJ")])(match_operand:SI 2 "reg_or_int5_operand" "rJ")(match_operand:SI 3 "reg_or_0_operand" "rI")))]"TARGET_V850E""cmp %5,%4 ; cmov %c1,%2,%z3,%0"[(set_attr "length" "6")(set_attr "cc" "clobber")])(define_insn "*movsicc_reversed"[(set (match_operand:SI 0 "register_operand" "=r")(if_then_else:SI(match_operator 1 "comparison_operator"[(match_operand:SI 4 "register_operand" "r")(match_operand:SI 5 "reg_or_int5_operand" "rJ")])(match_operand:SI 2 "reg_or_0_operand" "rI")(match_operand:SI 3 "reg_or_int5_operand" "rJ")))]"TARGET_V850E""cmp %5,%4 ; cmov %C1,%3,%z2,%0"[(set_attr "length" "6")(set_attr "cc" "clobber")])(define_insn "*movsicc_tst1"[(set (match_operand:SI 0 "register_operand" "=r")(if_then_else:SI(match_operator 1 "comparison_operator"[(zero_extract:SI(match_operand:QI 2 "memory_operand" "m")(const_int 1)(match_operand 3 "const_int_operand" "n"))(const_int 0)])(match_operand:SI 4 "reg_or_int5_operand" "rJ")(match_operand:SI 5 "reg_or_0_operand" "rI")))]"TARGET_V850E""tst1 %3,%2 ; cmov %c1,%4,%z5,%0"[(set_attr "length" "8")(set_attr "cc" "clobber")])(define_insn "*movsicc_tst1_reversed"[(set (match_operand:SI 0 "register_operand" "=r")(if_then_else:SI(match_operator 1 "comparison_operator"[(zero_extract:SI(match_operand:QI 2 "memory_operand" "m")(const_int 1)(match_operand 3 "const_int_operand" "n"))(const_int 0)])(match_operand:SI 4 "reg_or_0_operand" "rI")(match_operand:SI 5 "reg_or_int5_operand" "rJ")))]"TARGET_V850E""tst1 %3,%2 ; cmov %C1,%5,%z4,%0"[(set_attr "length" "8")(set_attr "cc" "clobber")]);; Matching for sasf requires combining 4 instructions, so we provide a;; dummy pattern to match the first 3, which will always be turned into the;; second pattern by subsequent combining. As above, we must include the;; comparison to avoid input reloads in an insn using cc0.(define_insn "*sasf_1"[(set (match_operand:SI 0 "register_operand" "")(ior:SI (match_operator 1 "comparison_operator" [(cc0) (const_int 0)])(ashift:SI (match_operand:SI 2 "register_operand" "")(const_int 1))))]"TARGET_V850E""* gcc_unreachable ();")(define_insn "*sasf_2"[(set (match_operand:SI 0 "register_operand" "=r")(ior:SI(match_operator 1 "comparison_operator"[(match_operand:SI 3 "register_operand" "r")(match_operand:SI 4 "reg_or_int5_operand" "rJ")])(ashift:SI (match_operand:SI 2 "register_operand" "0")(const_int 1))))]"TARGET_V850E""cmp %4,%3 ; sasf %c1,%0"[(set_attr "length" "6")(set_attr "cc" "clobber")])(define_split[(set (match_operand:SI 0 "register_operand" "")(if_then_else:SI(match_operator 1 "comparison_operator"[(match_operand:SI 4 "register_operand" "")(match_operand:SI 5 "reg_or_int5_operand" "")])(match_operand:SI 2 "const_int_operand" "")(match_operand:SI 3 "const_int_operand" "")))]"TARGET_V850E&& ((INTVAL (operands[2]) ^ INTVAL (operands[3])) == 1)&& ((INTVAL (operands[2]) + INTVAL (operands[3])) != 1)&& (GET_CODE (operands[5]) == CONST_INT|| REGNO (operands[0]) != REGNO (operands[5]))&& REGNO (operands[0]) != REGNO (operands[4])"[(set (match_dup 0) (match_dup 6))(set (match_dup 0)(ior:SI (match_op_dup 7 [(match_dup 4) (match_dup 5)])(ashift:SI (match_dup 0) (const_int 1))))]"{operands[6] = GEN_INT (INTVAL (operands[2]) >> 1);if (INTVAL (operands[2]) & 0x1)operands[7] = operands[1];elseoperands[7] = gen_rtx_fmt_ee (reverse_condition (GET_CODE (operands[1])),GET_MODE (operands[1]),XEXP (operands[1], 0), XEXP (operands[1], 1));}");; ---------------------------------------------------------------------;; BYTE SWAP INSTRUCTIONS;; ---------------------------------------------------------------------(define_expand "rotlhi3"[(set (match_operand:HI 0 "register_operand" "")(rotate:HI (match_operand:HI 1 "register_operand" "")(match_operand:HI 2 "const_int_operand" "")))]"TARGET_V850E""{if (INTVAL (operands[2]) != 8)FAIL;}")(define_insn "*rotlhi3_8"[(set (match_operand:HI 0 "register_operand" "=r")(rotate:HI (match_operand:HI 1 "register_operand" "r")(const_int 8)))]"TARGET_V850E""bsh %1,%0"[(set_attr "length" "4")(set_attr "cc" "clobber")])(define_expand "rotlsi3"[(set (match_operand:SI 0 "register_operand" "")(rotate:SI (match_operand:SI 1 "register_operand" "")(match_operand:SI 2 "const_int_operand" "")))]"TARGET_V850E""{if (INTVAL (operands[2]) != 16)FAIL;}")(define_insn "*rotlsi3_16"[(set (match_operand:SI 0 "register_operand" "=r")(rotate:SI (match_operand:SI 1 "register_operand" "r")(const_int 16)))]"TARGET_V850E""hsw %1,%0"[(set_attr "length" "4")(set_attr "cc" "clobber")]);; ----------------------------------------------------------------------;; JUMP INSTRUCTIONS;; ----------------------------------------------------------------------;; Conditional jump instructions(define_expand "ble"[(set (pc)(if_then_else (le (cc0)(const_int 0))(label_ref (match_operand 0 "" ""))(pc)))]"""")(define_expand "bleu"[(set (pc)(if_then_else (leu (cc0)(const_int 0))(label_ref (match_operand 0 "" ""))(pc)))]"""")(define_expand "bge"[(set (pc)(if_then_else (ge (cc0)(const_int 0))(label_ref (match_operand 0 "" ""))(pc)))]"""")(define_expand "bgeu"[(set (pc)(if_then_else (geu (cc0)(const_int 0))(label_ref (match_operand 0 "" ""))(pc)))]"""")(define_expand "blt"[(set (pc)(if_then_else (lt (cc0)(const_int 0))(label_ref (match_operand 0 "" ""))(pc)))]"""")(define_expand "bltu"[(set (pc)(if_then_else (ltu (cc0)(const_int 0))(label_ref (match_operand 0 "" ""))(pc)))]"""")(define_expand "bgt"[(set (pc)(if_then_else (gt (cc0)(const_int 0))(label_ref (match_operand 0 "" ""))(pc)))]"""")(define_expand "bgtu"[(set (pc)(if_then_else (gtu (cc0)(const_int 0))(label_ref (match_operand 0 "" ""))(pc)))]"""")(define_expand "beq"[(set (pc)(if_then_else (eq (cc0)(const_int 0))(label_ref (match_operand 0 "" ""))(pc)))]"""")(define_expand "bne"[(set (pc)(if_then_else (ne (cc0)(const_int 0))(label_ref (match_operand 0 "" ""))(pc)))]"""")(define_insn "*branch_normal"[(set (pc)(if_then_else (match_operator 1 "comparison_operator"[(cc0) (const_int 0)])(label_ref (match_operand 0 "" ""))(pc)))]"""*{if ((cc_status.flags & CC_OVERFLOW_UNUSABLE) != 0&& (GET_CODE (operands[1]) == GT|| GET_CODE (operands[1]) == GE|| GET_CODE (operands[1]) == LE|| GET_CODE (operands[1]) == LT))return 0;if (get_attr_length (insn) == 2)return \"b%b1 %l0\";elsereturn \"b%B1 .+6 ; jr %l0\";}"[(set (attr "length")(if_then_else (lt (abs (minus (match_dup 0) (pc)))(const_int 256))(const_int 2)(const_int 6)))(set_attr "cc" "none")])(define_insn "*branch_invert"[(set (pc)(if_then_else (match_operator 1 "comparison_operator"[(cc0) (const_int 0)])(pc)(label_ref (match_operand 0 "" ""))))]"""*{if ((cc_status.flags & CC_OVERFLOW_UNUSABLE) != 0&& (GET_CODE (operands[1]) == GT|| GET_CODE (operands[1]) == GE|| GET_CODE (operands[1]) == LE|| GET_CODE (operands[1]) == LT))return 0;if (get_attr_length (insn) == 2)return \"b%B1 %l0\";elsereturn \"b%b1 .+6 ; jr %l0\";}"[(set (attr "length")(if_then_else (lt (abs (minus (match_dup 0) (pc)))(const_int 256))(const_int 2)(const_int 6)))(set_attr "cc" "none")]);; Unconditional and other jump instructions.(define_insn "jump"[(set (pc)(label_ref (match_operand 0 "" "")))]"""*{if (get_attr_length (insn) == 2)return \"br %0\";elsereturn \"jr %0\";}"[(set (attr "length")(if_then_else (lt (abs (minus (match_dup 0) (pc)))(const_int 256))(const_int 2)(const_int 4)))(set_attr "cc" "none")])(define_insn "indirect_jump"[(set (pc) (match_operand:SI 0 "register_operand" "r"))]"""jmp %0"[(set_attr "length" "2")(set_attr "cc" "none")])(define_insn "tablejump"[(set (pc) (match_operand:SI 0 "register_operand" "r"))(use (label_ref (match_operand 1 "" "")))]"""jmp %0"[(set_attr "length" "2")(set_attr "cc" "none")])(define_insn "switch"[(set (pc)(plus:SI(sign_extend:SI(mem:HI(plus:SI (ashift:SI (match_operand:SI 0 "register_operand" "r")(const_int 1))(label_ref (match_operand 1 "" "")))))(label_ref (match_dup 1))))]"TARGET_V850E""switch %0"[(set_attr "length" "2")(set_attr "cc" "none")])(define_expand "casesi"[(match_operand:SI 0 "register_operand" "")(match_operand:SI 1 "register_operand" "")(match_operand:SI 2 "register_operand" "")(match_operand 3 "" "") (match_operand 4 "" "")]"""{rtx reg = gen_reg_rtx (SImode);rtx tableaddress = gen_reg_rtx (SImode);rtx mem;/* Subtract the lower bound from the index. */emit_insn (gen_subsi3 (reg, operands[0], operands[1]));/* Compare the result against the number of table entries. */emit_insn (gen_cmpsi (reg, operands[2]));/* Branch to the default label if out of range of the table. */emit_jump_insn (gen_bgtu (operands[4]));/* Disabled because the switch pattern is not being recognizedproperly at the moment. eg. compiling vfscanf.c in newlib. */if (0 && ! TARGET_BIG_SWITCH && TARGET_V850E){emit_jump_insn (gen_switch (reg, operands[3]));DONE;}/* Shift index for the table array access. */emit_insn (gen_ashlsi3 (reg, reg, GEN_INT (TARGET_BIG_SWITCH ? 2 : 1)));/* Load the table address into a pseudo. */emit_insn (gen_movsi (tableaddress,gen_rtx_LABEL_REF (Pmode, operands[3])));/* Add the table address to the index. */emit_insn (gen_addsi3 (reg, reg, tableaddress));/* Load the table entry. */mem = gen_const_mem (CASE_VECTOR_MODE, reg);if (! TARGET_BIG_SWITCH){rtx reg2 = gen_reg_rtx (HImode);emit_insn (gen_movhi (reg2, mem));emit_insn (gen_extendhisi2 (reg, reg2));}elseemit_insn (gen_movsi (reg, mem));/* Add the table address. */emit_insn (gen_addsi3 (reg, reg, tableaddress));/* Branch to the switch label. */emit_jump_insn (gen_tablejump (reg, operands[3]));DONE;}");; Call subroutine with no return value.(define_expand "call"[(call (match_operand:QI 0 "general_operand" "")(match_operand:SI 1 "general_operand" ""))]"""{if (! call_address_operand (XEXP (operands[0], 0), QImode)|| TARGET_LONG_CALLS)XEXP (operands[0], 0) = force_reg (SImode, XEXP (operands[0], 0));if (TARGET_LONG_CALLS)emit_call_insn (gen_call_internal_long (XEXP (operands[0], 0), operands[1]));elseemit_call_insn (gen_call_internal_short (XEXP (operands[0], 0), operands[1]));DONE;}")(define_insn "call_internal_short"[(call (mem:QI (match_operand:SI 0 "call_address_operand" "S,r"))(match_operand:SI 1 "general_operand" "g,g"))(clobber (reg:SI 31))]"! TARGET_LONG_CALLS""@jarl %0,r31jarl .+4,r31 ; add 4,r31 ; jmp %0"[(set_attr "length" "4,8")])(define_insn "call_internal_long"[(call (mem:QI (match_operand:SI 0 "call_address_operand" "S,r"))(match_operand:SI 1 "general_operand" "g,g"))(clobber (reg:SI 31))]"TARGET_LONG_CALLS""*{if (which_alternative == 0){if (GET_CODE (operands[0]) == REG)return \"jarl %0,r31\";elsereturn \"movhi hi(%0), r0, r11 ; movea lo(%0), r11, r11 ; jarl .+4,r31 ; add 4, r31 ; jmp r11\";}elsereturn \"jarl .+4,r31 ; add 4,r31 ; jmp %0\";}"[(set_attr "length" "16,8")]);; Call subroutine, returning value in operand 0;; (which must be a hard register).(define_expand "call_value"[(set (match_operand 0 "" "")(call (match_operand:QI 1 "general_operand" "")(match_operand:SI 2 "general_operand" "")))]"""{if (! call_address_operand (XEXP (operands[1], 0), QImode)|| TARGET_LONG_CALLS)XEXP (operands[1], 0) = force_reg (SImode, XEXP (operands[1], 0));if (TARGET_LONG_CALLS)emit_call_insn (gen_call_value_internal_long (operands[0],XEXP (operands[1], 0),operands[2]));elseemit_call_insn (gen_call_value_internal_short (operands[0],XEXP (operands[1], 0),operands[2]));DONE;}")(define_insn "call_value_internal_short"[(set (match_operand 0 "" "=r,r")(call (mem:QI (match_operand:SI 1 "call_address_operand" "S,r"))(match_operand:SI 2 "general_operand" "g,g")))(clobber (reg:SI 31))]"! TARGET_LONG_CALLS""@jarl %1,r31jarl .+4,r31 ; add 4,r31 ; jmp %1"[(set_attr "length" "4,8")])(define_insn "call_value_internal_long"[(set (match_operand 0 "" "=r,r")(call (mem:QI (match_operand:SI 1 "call_address_operand" "S,r"))(match_operand:SI 2 "general_operand" "g,g")))(clobber (reg:SI 31))]"TARGET_LONG_CALLS""*{if (which_alternative == 0){if (GET_CODE (operands[1]) == REG)return \"jarl %1, r31\";else/* Reload can generate this pattern.... */return \"movhi hi(%1), r0, r11 ; movea lo(%1), r11, r11 ; jarl .+4, r31 ; add 4, r31 ; jmp r11\";}elsereturn \"jarl .+4, r31 ; add 4, r31 ; jmp %1\";}"[(set_attr "length" "16,8")])(define_insn "nop"[(const_int 0)]"""nop"[(set_attr "length" "2")(set_attr "cc" "none")]);; ----------------------------------------------------------------------;; EXTEND INSTRUCTIONS;; ----------------------------------------------------------------------(define_insn ""[(set (match_operand:SI 0 "register_operand" "=r,r,r,r")(zero_extend:SI(match_operand:HI 1 "nonimmediate_operand" "0,r,T,m")))]"TARGET_V850E""@zxh %0andi 65535,%1,%0sld.hu %1,%0ld.hu %1,%0"[(set_attr "length" "2,4,2,4")(set_attr "cc" "none_0hit,set_znv,none_0hit,none_0hit")])(define_insn "zero_extendhisi2"[(set (match_operand:SI 0 "register_operand" "=r")(zero_extend:SI(match_operand:HI 1 "register_operand" "r")))]"""andi 65535,%1,%0"[(set_attr "length" "4")(set_attr "cc" "set_znv")])(define_insn ""[(set (match_operand:SI 0 "register_operand" "=r,r,r,r")(zero_extend:SI(match_operand:QI 1 "nonimmediate_operand" "0,r,T,m")))]"TARGET_V850E""@zxb %0andi 255,%1,%0sld.bu %1,%0ld.bu %1,%0"[(set_attr "length" "2,4,2,4")(set_attr "cc" "none_0hit,set_znv,none_0hit,none_0hit")])(define_insn "zero_extendqisi2"[(set (match_operand:SI 0 "register_operand" "=r")(zero_extend:SI(match_operand:QI 1 "register_operand" "r")))]"""andi 255,%1,%0"[(set_attr "length" "4")(set_attr "cc" "set_znv")]);;- sign extension instructions;; ??? The extendhisi2 pattern should not emit shifts for v850e?(define_insn "*extendhisi_insn"[(set (match_operand:SI 0 "register_operand" "=r,r,r")(sign_extend:SI (match_operand:HI 1 "nonimmediate_operand" "0,Q,m")))]"TARGET_V850E""@sxh %0sld.h %1,%0ld.h %1,%0"[(set_attr "length" "2,2,4")(set_attr "cc" "none_0hit,none_0hit,none_0hit")]);; ??? This is missing a sign extend from memory pattern to match the ld.h;; instruction.(define_expand "extendhisi2"[(set (match_dup 2)(ashift:SI (match_operand:HI 1 "register_operand" "")(const_int 16)))(set (match_operand:SI 0 "register_operand" "")(ashiftrt:SI (match_dup 2)(const_int 16)))]"""{operands[1] = gen_lowpart (SImode, operands[1]);operands[2] = gen_reg_rtx (SImode);}");; ??? The extendqisi2 pattern should not emit shifts for v850e?(define_insn "*extendqisi_insn"[(set (match_operand:SI 0 "register_operand" "=r,r,r")(sign_extend:SI (match_operand:QI 1 "nonimmediate_operand" "0,Q,m")))]"TARGET_V850E""@sxb %0sld.b %1,%0ld.b %1,%0"[(set_attr "length" "2,2,4")(set_attr "cc" "none_0hit,none_0hit,none_0hit")]);; ??? This is missing a sign extend from memory pattern to match the ld.b;; instruction.(define_expand "extendqisi2"[(set (match_dup 2)(ashift:SI (match_operand:QI 1 "register_operand" "")(const_int 24)))(set (match_operand:SI 0 "register_operand" "")(ashiftrt:SI (match_dup 2)(const_int 24)))]"""{operands[1] = gen_lowpart (SImode, operands[1]);operands[2] = gen_reg_rtx (SImode);}");; ----------------------------------------------------------------------;; SHIFTS;; ----------------------------------------------------------------------(define_insn "ashlsi3"[(set (match_operand:SI 0 "register_operand" "=r,r")(ashift:SI(match_operand:SI 1 "register_operand" "0,0")(match_operand:SI 2 "nonmemory_operand" "r,N")))]"""@shl %2,%0shl %2,%0"[(set_attr "length" "4,2")(set_attr "cc" "set_znv")])(define_insn "lshrsi3"[(set (match_operand:SI 0 "register_operand" "=r,r")(lshiftrt:SI(match_operand:SI 1 "register_operand" "0,0")(match_operand:SI 2 "nonmemory_operand" "r,N")))]"""@shr %2,%0shr %2,%0"[(set_attr "length" "4,2")(set_attr "cc" "set_znv")])(define_insn "ashrsi3"[(set (match_operand:SI 0 "register_operand" "=r,r")(ashiftrt:SI(match_operand:SI 1 "register_operand" "0,0")(match_operand:SI 2 "nonmemory_operand" "r,N")))]"""@sar %2,%0sar %2,%0"[(set_attr "length" "4,2")(set_attr "cc" "set_znv")]);; ----------------------------------------------------------------------;; PROLOGUE/EPILOGUE;; ----------------------------------------------------------------------(define_expand "prologue"[(const_int 0)]"""expand_prologue (); DONE;")(define_expand "epilogue"[(return)]"""{/* Try to use the trivial return first. Else use thefull epilogue. */if (0)emit_jump_insn (gen_return ());elseexpand_epilogue ();DONE;}")(define_insn "return"[(return)]"reload_completed && compute_frame_size (get_frame_size (), (long *)0) == 0""jmp [r31]"[(set_attr "length" "2")(set_attr "cc" "none")])(define_insn "return_internal"[(return)(use (reg:SI 31))]"""jmp [r31]"[(set_attr "length" "2")(set_attr "cc" "none")]);; ----------------------------------------------------------------------;; HELPER INSTRUCTIONS for saving the prologue and epilog registers;; ----------------------------------------------------------------------;; This pattern will match a stack adjust RTX followed by any number of push;; RTXs. These RTXs will then be turned into a suitable call to a worker;; function.;;;; Actually, convert the RTXs into a PREPARE instruction.;;(define_insn ""[(match_parallel 0 "pattern_is_ok_for_prepare"[(set (reg:SI 3)(plus:SI (reg:SI 3) (match_operand:SI 1 "immediate_operand" "i")))(set (mem:SI (plus:SI (reg:SI 3)(match_operand:SI 2 "immediate_operand" "i")))(match_operand:SI 3 "register_is_ok_for_epilogue" "r"))])]"TARGET_PROLOG_FUNCTION && TARGET_V850E""* return construct_prepare_instruction (operands[0]);"[(set_attr "length" "4")(set_attr "cc" "none")])(define_insn ""[(match_parallel 0 "pattern_is_ok_for_prologue"[(set (reg:SI 3)(plus:SI (reg:SI 3) (match_operand:SI 1 "immediate_operand" "i")))(set (mem:SI (plus:SI (reg:SI 3)(match_operand:SI 2 "immediate_operand" "i")))(match_operand:SI 3 "register_is_ok_for_epilogue" "r"))])]"TARGET_PROLOG_FUNCTION && TARGET_V850""* return construct_save_jarl (operands[0]);"[(set (attr "length") (if_then_else (eq_attr "long_calls" "yes")(const_string "16")(const_string "4")))(set_attr "cc" "clobber")]);;;; Actually, turn the RTXs into a DISPOSE instruction.;;(define_insn ""[(match_parallel 0 "pattern_is_ok_for_dispose"[(return)(set (reg:SI 3)(plus:SI (reg:SI 3) (match_operand:SI 1 "immediate_operand" "i")))(set (match_operand:SI 2 "register_is_ok_for_epilogue" "=r")(mem:SI (plus:SI (reg:SI 3)(match_operand:SI 3 "immediate_operand" "i"))))])]"TARGET_PROLOG_FUNCTION && TARGET_V850E""* return construct_dispose_instruction (operands[0]);"[(set_attr "length" "4")(set_attr "cc" "none")]);; This pattern will match a return RTX followed by any number of pop RTXs;; and possible a stack adjustment as well. These RTXs will be turned into;; a suitable call to a worker function.(define_insn ""[(match_parallel 0 "pattern_is_ok_for_epilogue"[(return)(set (reg:SI 3)(plus:SI (reg:SI 3) (match_operand:SI 1 "immediate_operand" "i")))(set (match_operand:SI 2 "register_is_ok_for_epilogue" "=r")(mem:SI (plus:SI (reg:SI 3)(match_operand:SI 3 "immediate_operand" "i"))))])]"TARGET_PROLOG_FUNCTION && TARGET_V850""* return construct_restore_jr (operands[0]);"[(set (attr "length") (if_then_else (eq_attr "long_calls" "yes")(const_string "12")(const_string "4")))(set_attr "cc" "clobber")]);; Initialize an interrupt function. Do not depend on TARGET_PROLOG_FUNCTION.(define_insn "callt_save_interrupt"[(unspec_volatile [(const_int 0)] 2)]"TARGET_V850E && !TARGET_DISABLE_CALLT";; The CALLT instruction stores the next address of CALLT to CTPC register;; without saving its previous value. So if the interrupt handler;; or its caller could possibly execute the CALLT insn, save_interrupt;; MUST NOT be called via CALLT."*{output_asm_insn (\"addi -24, sp, sp\", operands);output_asm_insn (\"st.w r10, 12[sp]\", operands);output_asm_insn (\"stsr ctpc, r10\", operands);output_asm_insn (\"st.w r10, 16[sp]\", operands);output_asm_insn (\"stsr ctpsw, r10\", operands);output_asm_insn (\"st.w r10, 20[sp]\", operands);output_asm_insn (\"callt ctoff(__callt_save_interrupt)\", operands);return \"\";}"[(set_attr "length" "26")(set_attr "cc" "none")])(define_insn "callt_return_interrupt"[(unspec_volatile [(const_int 0)] 3)]"TARGET_V850E && !TARGET_DISABLE_CALLT""callt ctoff(__callt_return_interrupt)"[(set_attr "length" "2")(set_attr "cc" "clobber")])(define_insn "save_interrupt"[(set (reg:SI 3) (plus:SI (reg:SI 3) (const_int -16)))(set (mem:SI (plus:SI (reg:SI 3) (const_int -16))) (reg:SI 30))(set (mem:SI (plus:SI (reg:SI 3) (const_int -12))) (reg:SI 4))(set (mem:SI (plus:SI (reg:SI 3) (const_int -8))) (reg:SI 1))(set (mem:SI (plus:SI (reg:SI 3) (const_int -4))) (reg:SI 10))]"""*{if (TARGET_PROLOG_FUNCTION && !TARGET_LONG_CALLS)return \"add -16,sp\;st.w r10,12[sp]\;jarl __save_interrupt,r10\";else{output_asm_insn (\"add -16, sp\", operands);output_asm_insn (\"st.w r10, 12[sp]\", operands);output_asm_insn (\"st.w ep, 0[sp]\", operands);output_asm_insn (\"st.w gp, 4[sp]\", operands);output_asm_insn (\"st.w r1, 8[sp]\", operands);output_asm_insn (\"movhi hi(__ep), r0, ep\", operands);output_asm_insn (\"movea lo(__ep), ep, ep\", operands);output_asm_insn (\"movhi hi(__gp), r0, gp\", operands);output_asm_insn (\"movea lo(__gp), gp, gp\", operands);return \"\";}}"[(set (attr "length")(if_then_else (ne (symbol_ref "TARGET_LONG_CALLS") (const_int 0))(const_int 10)(const_int 34)))(set_attr "cc" "clobber")]);; Restore r1, r4, r10, and return from the interrupt(define_insn "return_interrupt"[(return)(set (reg:SI 3) (plus:SI (reg:SI 3) (const_int 16)))(set (reg:SI 10) (mem:SI (plus:SI (reg:SI 3) (const_int 12))))(set (reg:SI 1) (mem:SI (plus:SI (reg:SI 3) (const_int 8))))(set (reg:SI 4) (mem:SI (plus:SI (reg:SI 3) (const_int 4))))(set (reg:SI 30) (mem:SI (reg:SI 3)))]"""*{if (TARGET_PROLOG_FUNCTION && !TARGET_LONG_CALLS)return \"jr __return_interrupt\";else{output_asm_insn (\"ld.w 0[sp], ep\", operands);output_asm_insn (\"ld.w 4[sp], gp\", operands);output_asm_insn (\"ld.w 8[sp], r1\", operands);output_asm_insn (\"ld.w 12[sp], r10\", operands);output_asm_insn (\"addi 16, sp, sp\", operands);output_asm_insn (\"reti\", operands);return \"\";}}"[(set (attr "length")(if_then_else (ne (symbol_ref "TARGET_LONG_CALLS") (const_int 0))(const_int 4)(const_int 24)))(set_attr "cc" "clobber")]);; Save all registers except for the registers saved in save_interrupt when;; an interrupt function makes a call.;; UNSPEC_VOLATILE is considered to use and clobber all hard registers and;; all of memory. This blocks insns from being moved across this point.;; This is needed because the rest of the compiler is not ready to handle;; insns this complicated.(define_insn "callt_save_all_interrupt"[(unspec_volatile [(const_int 0)] 0)]"TARGET_V850E && !TARGET_DISABLE_CALLT""callt ctoff(__callt_save_all_interrupt)"[(set_attr "length" "2")(set_attr "cc" "none")])(define_insn "save_all_interrupt"[(unspec_volatile [(const_int 0)] 0)]"""*{if (TARGET_PROLOG_FUNCTION && !TARGET_LONG_CALLS)return \"jarl __save_all_interrupt,r10\";output_asm_insn (\"addi -120, sp, sp\", operands);if (TARGET_EP){output_asm_insn (\"mov ep, r1\", operands);output_asm_insn (\"mov sp, ep\", operands);output_asm_insn (\"sst.w r31, 116[ep]\", operands);output_asm_insn (\"sst.w r2, 112[ep]\", operands);output_asm_insn (\"sst.w gp, 108[ep]\", operands);output_asm_insn (\"sst.w r6, 104[ep]\", operands);output_asm_insn (\"sst.w r7, 100[ep]\", operands);output_asm_insn (\"sst.w r8, 96[ep]\", operands);output_asm_insn (\"sst.w r9, 92[ep]\", operands);output_asm_insn (\"sst.w r11, 88[ep]\", operands);output_asm_insn (\"sst.w r12, 84[ep]\", operands);output_asm_insn (\"sst.w r13, 80[ep]\", operands);output_asm_insn (\"sst.w r14, 76[ep]\", operands);output_asm_insn (\"sst.w r15, 72[ep]\", operands);output_asm_insn (\"sst.w r16, 68[ep]\", operands);output_asm_insn (\"sst.w r17, 64[ep]\", operands);output_asm_insn (\"sst.w r18, 60[ep]\", operands);output_asm_insn (\"sst.w r19, 56[ep]\", operands);output_asm_insn (\"sst.w r20, 52[ep]\", operands);output_asm_insn (\"sst.w r21, 48[ep]\", operands);output_asm_insn (\"sst.w r22, 44[ep]\", operands);output_asm_insn (\"sst.w r23, 40[ep]\", operands);output_asm_insn (\"sst.w r24, 36[ep]\", operands);output_asm_insn (\"sst.w r25, 32[ep]\", operands);output_asm_insn (\"sst.w r26, 28[ep]\", operands);output_asm_insn (\"sst.w r27, 24[ep]\", operands);output_asm_insn (\"sst.w r28, 20[ep]\", operands);output_asm_insn (\"sst.w r29, 16[ep]\", operands);output_asm_insn (\"mov r1, ep\", operands);}else{output_asm_insn (\"st.w r31, 116[sp]\", operands);output_asm_insn (\"st.w r2, 112[sp]\", operands);output_asm_insn (\"st.w gp, 108[sp]\", operands);output_asm_insn (\"st.w r6, 104[sp]\", operands);output_asm_insn (\"st.w r7, 100[sp]\", operands);output_asm_insn (\"st.w r8, 96[sp]\", operands);output_asm_insn (\"st.w r9, 92[sp]\", operands);output_asm_insn (\"st.w r11, 88[sp]\", operands);output_asm_insn (\"st.w r12, 84[sp]\", operands);output_asm_insn (\"st.w r13, 80[sp]\", operands);output_asm_insn (\"st.w r14, 76[sp]\", operands);output_asm_insn (\"st.w r15, 72[sp]\", operands);output_asm_insn (\"st.w r16, 68[sp]\", operands);output_asm_insn (\"st.w r17, 64[sp]\", operands);output_asm_insn (\"st.w r18, 60[sp]\", operands);output_asm_insn (\"st.w r19, 56[sp]\", operands);output_asm_insn (\"st.w r20, 52[sp]\", operands);output_asm_insn (\"st.w r21, 48[sp]\", operands);output_asm_insn (\"st.w r22, 44[sp]\", operands);output_asm_insn (\"st.w r23, 40[sp]\", operands);output_asm_insn (\"st.w r24, 36[sp]\", operands);output_asm_insn (\"st.w r25, 32[sp]\", operands);output_asm_insn (\"st.w r26, 28[sp]\", operands);output_asm_insn (\"st.w r27, 24[sp]\", operands);output_asm_insn (\"st.w r28, 20[sp]\", operands);output_asm_insn (\"st.w r29, 16[sp]\", operands);}return \"\";}"[(set (attr "length")(if_then_else (ne (symbol_ref "TARGET_LONG_CALLS") (const_int 0))(const_int 4)(const_int 62)))(set_attr "cc" "clobber")])(define_insn "_save_all_interrupt"[(unspec_volatile [(const_int 0)] 0)]"TARGET_V850 && ! TARGET_LONG_CALLS""jarl __save_all_interrupt,r10"[(set_attr "length" "4")(set_attr "cc" "clobber")]);; Restore all registers saved when an interrupt function makes a call.;; UNSPEC_VOLATILE is considered to use and clobber all hard registers and;; all of memory. This blocks insns from being moved across this point.;; This is needed because the rest of the compiler is not ready to handle;; insns this complicated.(define_insn "callt_restore_all_interrupt"[(unspec_volatile [(const_int 0)] 1)]"TARGET_V850E && !TARGET_DISABLE_CALLT""callt ctoff(__callt_restore_all_interrupt)"[(set_attr "length" "2")(set_attr "cc" "none")])(define_insn "restore_all_interrupt"[(unspec_volatile [(const_int 0)] 1)]"""*{if (TARGET_PROLOG_FUNCTION && !TARGET_LONG_CALLS)return \"jarl __restore_all_interrupt,r10\";if (TARGET_EP){output_asm_insn (\"mov ep, r1\", operands);output_asm_insn (\"mov sp, ep\", operands);output_asm_insn (\"sld.w 116[ep], r31\", operands);output_asm_insn (\"sld.w 112[ep], r2\", operands);output_asm_insn (\"sld.w 108[ep], gp\", operands);output_asm_insn (\"sld.w 104[ep], r6\", operands);output_asm_insn (\"sld.w 100[ep], r7\", operands);output_asm_insn (\"sld.w 96[ep], r8\", operands);output_asm_insn (\"sld.w 92[ep], r9\", operands);output_asm_insn (\"sld.w 88[ep], r11\", operands);output_asm_insn (\"sld.w 84[ep], r12\", operands);output_asm_insn (\"sld.w 80[ep], r13\", operands);output_asm_insn (\"sld.w 76[ep], r14\", operands);output_asm_insn (\"sld.w 72[ep], r15\", operands);output_asm_insn (\"sld.w 68[ep], r16\", operands);output_asm_insn (\"sld.w 64[ep], r17\", operands);output_asm_insn (\"sld.w 60[ep], r18\", operands);output_asm_insn (\"sld.w 56[ep], r19\", operands);output_asm_insn (\"sld.w 52[ep], r20\", operands);output_asm_insn (\"sld.w 48[ep], r21\", operands);output_asm_insn (\"sld.w 44[ep], r22\", operands);output_asm_insn (\"sld.w 40[ep], r23\", operands);output_asm_insn (\"sld.w 36[ep], r24\", operands);output_asm_insn (\"sld.w 32[ep], r25\", operands);output_asm_insn (\"sld.w 28[ep], r26\", operands);output_asm_insn (\"sld.w 24[ep], r27\", operands);output_asm_insn (\"sld.w 20[ep], r28\", operands);output_asm_insn (\"sld.w 16[ep], r29\", operands);output_asm_insn (\"mov r1, ep\", operands);}else{output_asm_insn (\"ld.w 116[sp], r31\", operands);output_asm_insn (\"ld.w 112[sp], r2\", operands);output_asm_insn (\"ld.w 108[sp], gp\", operands);output_asm_insn (\"ld.w 104[sp], r6\", operands);output_asm_insn (\"ld.w 100[sp], r7\", operands);output_asm_insn (\"ld.w 96[sp], r8\", operands);output_asm_insn (\"ld.w 92[sp], r9\", operands);output_asm_insn (\"ld.w 88[sp], r11\", operands);output_asm_insn (\"ld.w 84[sp], r12\", operands);output_asm_insn (\"ld.w 80[sp], r13\", operands);output_asm_insn (\"ld.w 76[sp], r14\", operands);output_asm_insn (\"ld.w 72[sp], r15\", operands);output_asm_insn (\"ld.w 68[sp], r16\", operands);output_asm_insn (\"ld.w 64[sp], r17\", operands);output_asm_insn (\"ld.w 60[sp], r18\", operands);output_asm_insn (\"ld.w 56[sp], r19\", operands);output_asm_insn (\"ld.w 52[sp], r20\", operands);output_asm_insn (\"ld.w 48[sp], r21\", operands);output_asm_insn (\"ld.w 44[sp], r22\", operands);output_asm_insn (\"ld.w 40[sp], r23\", operands);output_asm_insn (\"ld.w 36[sp], r24\", operands);output_asm_insn (\"ld.w 32[sp], r25\", operands);output_asm_insn (\"ld.w 28[sp], r26\", operands);output_asm_insn (\"ld.w 24[sp], r27\", operands);output_asm_insn (\"ld.w 20[sp], r28\", operands);output_asm_insn (\"ld.w 16[sp], r29\", operands);}output_asm_insn (\"addi 120, sp, sp\", operands);return \"\";}"[(set (attr "length")(if_then_else (ne (symbol_ref "TARGET_LONG_CALLS") (const_int 0))(const_int 4)(const_int 62)))(set_attr "cc" "clobber")])(define_insn "_restore_all_interrupt"[(unspec_volatile [(const_int 0)] 1)]"TARGET_V850 && ! TARGET_LONG_CALLS""jarl __restore_all_interrupt,r10"[(set_attr "length" "4")(set_attr "cc" "clobber")]);; Save r6-r9 for a variable argument function(define_insn "save_r6_r9_v850e"[(set (mem:SI (reg:SI 3)) (reg:SI 6))(set (mem:SI (plus:SI (reg:SI 3) (const_int 4))) (reg:SI 7))(set (mem:SI (plus:SI (reg:SI 3) (const_int 8))) (reg:SI 8))(set (mem:SI (plus:SI (reg:SI 3) (const_int 12))) (reg:SI 9))]"TARGET_PROLOG_FUNCTION && TARGET_V850E && !TARGET_DISABLE_CALLT""callt ctoff(__callt_save_r6_r9)"[(set_attr "length" "2")(set_attr "cc" "none")])(define_insn "save_r6_r9"[(set (mem:SI (reg:SI 3)) (reg:SI 6))(set (mem:SI (plus:SI (reg:SI 3) (const_int 4))) (reg:SI 7))(set (mem:SI (plus:SI (reg:SI 3) (const_int 8))) (reg:SI 8))(set (mem:SI (plus:SI (reg:SI 3) (const_int 12))) (reg:SI 9))(clobber (reg:SI 10))]"TARGET_PROLOG_FUNCTION && ! TARGET_LONG_CALLS""jarl __save_r6_r9,r10"[(set_attr "length" "4")(set_attr "cc" "clobber")])