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;; ARM Thumb-2 Machine Description;; Copyright (C) 2007, 2008 Free Software Foundation, Inc.;; Written by CodeSourcery, LLC.;;;; 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/>. */;; Note: Thumb-2 is the variant of the Thumb architecture that adds;; 32-bit encodings of [almost all of] the Arm instruction set.;; Some old documents refer to the relatively minor interworking;; changes made in armv5t as "thumb2". These are considered part;; the 16-bit Thumb-1 instruction set.(define_insn "*thumb2_incscc"[(set (match_operand:SI 0 "s_register_operand" "=r,r")(plus:SI (match_operator:SI 2 "arm_comparison_operator"[(match_operand:CC 3 "cc_register" "") (const_int 0)])(match_operand:SI 1 "s_register_operand" "0,?r")))]"TARGET_THUMB2""@it\\t%d2\;add%d2\\t%0, %1, #1ite\\t%D2\;mov%D2\\t%0, %1\;add%d2\\t%0, %1, #1"[(set_attr "conds" "use")(set_attr "length" "6,10")])(define_insn "*thumb2_decscc"[(set (match_operand:SI 0 "s_register_operand" "=r,r")(minus:SI (match_operand:SI 1 "s_register_operand" "0,?r")(match_operator:SI 2 "arm_comparison_operator"[(match_operand 3 "cc_register" "") (const_int 0)])))]"TARGET_THUMB2""@it\\t%d2\;sub%d2\\t%0, %1, #1ite\\t%D2\;mov%D2\\t%0, %1\;sub%d2\\t%0, %1, #1"[(set_attr "conds" "use")(set_attr "length" "6,10")]);; Thumb-2 only allows shift by constant on data processing instructions(define_insn "*thumb_andsi_not_shiftsi_si"[(set (match_operand:SI 0 "s_register_operand" "=r")(and:SI (not:SI (match_operator:SI 4 "shift_operator"[(match_operand:SI 2 "s_register_operand" "r")(match_operand:SI 3 "const_int_operand" "M")]))(match_operand:SI 1 "s_register_operand" "r")))]"TARGET_THUMB2""bic%?\\t%0, %1, %2%S4"[(set_attr "predicable" "yes")(set_attr "shift" "2")(set_attr "type" "alu_shift")])(define_insn "*thumb2_smaxsi3"[(set (match_operand:SI 0 "s_register_operand" "=r,r,r")(smax:SI (match_operand:SI 1 "s_register_operand" "0,r,?r")(match_operand:SI 2 "arm_rhs_operand" "rI,0,rI")))(clobber (reg:CC CC_REGNUM))]"TARGET_THUMB2""@cmp\\t%1, %2\;it\\tlt\;movlt\\t%0, %2cmp\\t%1, %2\;it\\tge\;movge\\t%0, %1cmp\\t%1, %2\;ite\\tge\;movge\\t%0, %1\;movlt\\t%0, %2"[(set_attr "conds" "clob")(set_attr "length" "10,10,14")])(define_insn "*thumb2_sminsi3"[(set (match_operand:SI 0 "s_register_operand" "=r,r,r")(smin:SI (match_operand:SI 1 "s_register_operand" "0,r,?r")(match_operand:SI 2 "arm_rhs_operand" "rI,0,rI")))(clobber (reg:CC CC_REGNUM))]"TARGET_THUMB2""@cmp\\t%1, %2\;it\\tge\;movge\\t%0, %2cmp\\t%1, %2\;it\\tlt\;movlt\\t%0, %1cmp\\t%1, %2\;ite\\tlt\;movlt\\t%0, %1\;movge\\t%0, %2"[(set_attr "conds" "clob")(set_attr "length" "10,10,14")])(define_insn "*thumb32_umaxsi3"[(set (match_operand:SI 0 "s_register_operand" "=r,r,r")(umax:SI (match_operand:SI 1 "s_register_operand" "0,r,?r")(match_operand:SI 2 "arm_rhs_operand" "rI,0,rI")))(clobber (reg:CC CC_REGNUM))]"TARGET_THUMB2""@cmp\\t%1, %2\;it\\tcc\;movcc\\t%0, %2cmp\\t%1, %2\;it\\tcs\;movcs\\t%0, %1cmp\\t%1, %2\;ite\\tcs\;movcs\\t%0, %1\;movcc\\t%0, %2"[(set_attr "conds" "clob")(set_attr "length" "10,10,14")])(define_insn "*thumb2_uminsi3"[(set (match_operand:SI 0 "s_register_operand" "=r,r,r")(umin:SI (match_operand:SI 1 "s_register_operand" "0,r,?r")(match_operand:SI 2 "arm_rhs_operand" "rI,0,rI")))(clobber (reg:CC CC_REGNUM))]"TARGET_THUMB2""@cmp\\t%1, %2\;it\\tcs\;movcs\\t%0, %2cmp\\t%1, %2\;it\\tcc\;movcc\\t%0, %1cmp\\t%1, %2\;ite\\tcc\;movcc\\t%0, %1\;movcs\\t%0, %2"[(set_attr "conds" "clob")(set_attr "length" "10,10,14")])(define_insn "*thumb2_notsi_shiftsi"[(set (match_operand:SI 0 "s_register_operand" "=r")(not:SI (match_operator:SI 3 "shift_operator"[(match_operand:SI 1 "s_register_operand" "r")(match_operand:SI 2 "const_int_operand" "M")])))]"TARGET_THUMB2""mvn%?\\t%0, %1%S3"[(set_attr "predicable" "yes")(set_attr "shift" "1")(set_attr "type" "alu_shift")])(define_insn "*thumb2_notsi_shiftsi_compare0"[(set (reg:CC_NOOV CC_REGNUM)(compare:CC_NOOV (not:SI (match_operator:SI 3 "shift_operator"[(match_operand:SI 1 "s_register_operand" "r")(match_operand:SI 2 "const_int_operand" "M")]))(const_int 0)))(set (match_operand:SI 0 "s_register_operand" "=r")(not:SI (match_op_dup 3 [(match_dup 1) (match_dup 2)])))]"TARGET_THUMB2""mvn%.\\t%0, %1%S3"[(set_attr "conds" "set")(set_attr "shift" "1")(set_attr "type" "alu_shift")])(define_insn "*thumb2_not_shiftsi_compare0_scratch"[(set (reg:CC_NOOV CC_REGNUM)(compare:CC_NOOV (not:SI (match_operator:SI 3 "shift_operator"[(match_operand:SI 1 "s_register_operand" "r")(match_operand:SI 2 "const_int_operand" "M")]))(const_int 0)))(clobber (match_scratch:SI 0 "=r"))]"TARGET_THUMB2""mvn%.\\t%0, %1%S3"[(set_attr "conds" "set")(set_attr "shift" "1")(set_attr "type" "alu_shift")]);; Thumb-2 does not have rsc, so use a clever trick with shifter operands.(define_insn "*thumb2_negdi2"[(set (match_operand:DI 0 "s_register_operand" "=&r,r")(neg:DI (match_operand:DI 1 "s_register_operand" "?r,0")))(clobber (reg:CC CC_REGNUM))]"TARGET_THUMB2""negs\\t%Q0, %Q1\;sbc\\t%R0, %R1, %R1, lsl #1"[(set_attr "conds" "clob")(set_attr "length" "8")])(define_insn "*thumb2_abssi2"[(set (match_operand:SI 0 "s_register_operand" "=r,&r")(abs:SI (match_operand:SI 1 "s_register_operand" "0,r")))(clobber (reg:CC CC_REGNUM))]"TARGET_THUMB2""@cmp\\t%0, #0\;it\tlt\;rsblt\\t%0, %0, #0eor%?\\t%0, %1, %1, asr #31\;sub%?\\t%0, %0, %1, asr #31"[(set_attr "conds" "clob,*")(set_attr "shift" "1");; predicable can't be set based on the variant, so left as no(set_attr "length" "10,8")])(define_insn "*thumb2_neg_abssi2"[(set (match_operand:SI 0 "s_register_operand" "=r,&r")(neg:SI (abs:SI (match_operand:SI 1 "s_register_operand" "0,r"))))(clobber (reg:CC CC_REGNUM))]"TARGET_THUMB2""@cmp\\t%0, #0\;it\\tgt\;rsbgt\\t%0, %0, #0eor%?\\t%0, %1, %1, asr #31\;rsb%?\\t%0, %0, %1, asr #31"[(set_attr "conds" "clob,*")(set_attr "shift" "1");; predicable can't be set based on the variant, so left as no(set_attr "length" "10,8")])(define_insn "*thumb2_movdi"[(set (match_operand:DI 0 "nonimmediate_di_operand" "=r, r, r, r, m")(match_operand:DI 1 "di_operand" "rDa,Db,Dc,mi,r"))]"TARGET_THUMB2&& !(TARGET_HARD_FLOAT && (TARGET_MAVERICK || TARGET_VFP))&& !TARGET_IWMMXT""*switch (which_alternative){case 0:case 1:case 2:return \"#\";default:return output_move_double (operands);}"[(set_attr "length" "8,12,16,8,8")(set_attr "type" "*,*,*,load2,store2")(set_attr "pool_range" "*,*,*,4096,*")(set_attr "neg_pool_range" "*,*,*,0,*")])(define_insn "*thumb2_movsi_insn"[(set (match_operand:SI 0 "nonimmediate_operand" "=rk,r,r,r,rk,m")(match_operand:SI 1 "general_operand" "rk ,I,K,j,mi,rk"))]"TARGET_THUMB2 && ! TARGET_IWMMXT&& !(TARGET_HARD_FLOAT && TARGET_VFP)&& ( register_operand (operands[0], SImode)|| register_operand (operands[1], SImode))""@mov%?\\t%0, %1mov%?\\t%0, %1mvn%?\\t%0, #%B1movw%?\\t%0, %1ldr%?\\t%0, %1str%?\\t%1, %0"[(set_attr "type" "*,*,*,*,load1,store1")(set_attr "predicable" "yes")(set_attr "pool_range" "*,*,*,*,4096,*")(set_attr "neg_pool_range" "*,*,*,*,0,*")])(define_insn "tls_load_dot_plus_four"[(set (match_operand:SI 0 "register_operand" "=l,l,r,r")(mem:SI (unspec:SI [(match_operand:SI 2 "register_operand" "0,1,0,1")(const_int 4)(match_operand 3 "" "")]UNSPEC_PIC_BASE)))(clobber (match_scratch:SI 1 "=X,l,X,r"))]"TARGET_THUMB2""*(*targetm.asm_out.internal_label) (asm_out_file, \"LPIC\",INTVAL (operands[3]));return \"add\\t%2, %|pc\;ldr%?\\t%0, [%2]\";"[(set_attr "length" "4,4,6,6")]);; Thumb-2 always has load/store halfword instructions, so we can avoid a lot;; of the messiness associated with the ARM patterns.(define_insn "*thumb2_movhi_insn"[(set (match_operand:HI 0 "nonimmediate_operand" "=r,r,m,r")(match_operand:HI 1 "general_operand" "rI,n,r,m"))]"TARGET_THUMB2""@mov%?\\t%0, %1\\t%@ movhimovw%?\\t%0, %L1\\t%@ movhistr%(h%)\\t%1, %0\\t%@ movhildr%(h%)\\t%0, %1\\t%@ movhi"[(set_attr "type" "*,*,store1,load1")(set_attr "predicable" "yes")(set_attr "pool_range" "*,*,*,4096")(set_attr "neg_pool_range" "*,*,*,250")])(define_insn "*thumb2_movsf_soft_insn"[(set (match_operand:SF 0 "nonimmediate_operand" "=r,r,m")(match_operand:SF 1 "general_operand" "r,mE,r"))]"TARGET_THUMB2&& TARGET_SOFT_FLOAT&& (GET_CODE (operands[0]) != MEM|| register_operand (operands[1], SFmode))""@mov%?\\t%0, %1ldr%?\\t%0, %1\\t%@ floatstr%?\\t%1, %0\\t%@ float"[(set_attr "predicable" "yes")(set_attr "type" "*,load1,store1")(set_attr "pool_range" "*,4096,*")(set_attr "neg_pool_range" "*,0,*")])(define_insn "*thumb2_movdf_soft_insn"[(set (match_operand:DF 0 "nonimmediate_soft_df_operand" "=r,r,r,r,m")(match_operand:DF 1 "soft_df_operand" "rDa,Db,Dc,mF,r"))]"TARGET_THUMB2 && TARGET_SOFT_FLOAT&& ( register_operand (operands[0], DFmode)|| register_operand (operands[1], DFmode))""*switch (which_alternative){case 0:case 1:case 2:return \"#\";default:return output_move_double (operands);}"[(set_attr "length" "8,12,16,8,8")(set_attr "type" "*,*,*,load2,store2")(set_attr "pool_range" "1020")(set_attr "neg_pool_range" "0")])(define_insn "*thumb2_cmpsi_shiftsi"[(set (reg:CC CC_REGNUM)(compare:CC (match_operand:SI 0 "s_register_operand" "r")(match_operator:SI 3 "shift_operator"[(match_operand:SI 1 "s_register_operand" "r")(match_operand:SI 2 "const_int_operand" "M")])))]"TARGET_THUMB2""cmp%?\\t%0, %1%S3"[(set_attr "conds" "set")(set_attr "shift" "1")(set_attr "type" "alu_shift")])(define_insn "*thumb2_cmpsi_shiftsi_swp"[(set (reg:CC_SWP CC_REGNUM)(compare:CC_SWP (match_operator:SI 3 "shift_operator"[(match_operand:SI 1 "s_register_operand" "r")(match_operand:SI 2 "const_int_operand" "M")])(match_operand:SI 0 "s_register_operand" "r")))]"TARGET_THUMB2""cmp%?\\t%0, %1%S3"[(set_attr "conds" "set")(set_attr "shift" "1")(set_attr "type" "alu_shift")])(define_insn "*thumb2_cmpsi_neg_shiftsi"[(set (reg:CC CC_REGNUM)(compare:CC (match_operand:SI 0 "s_register_operand" "r")(neg:SI (match_operator:SI 3 "shift_operator"[(match_operand:SI 1 "s_register_operand" "r")(match_operand:SI 2 "const_int_operand" "M")]))))]"TARGET_THUMB2""cmn%?\\t%0, %1%S3"[(set_attr "conds" "set")(set_attr "shift" "1")(set_attr "type" "alu_shift")])(define_insn "*thumb2_mov_scc"[(set (match_operand:SI 0 "s_register_operand" "=r")(match_operator:SI 1 "arm_comparison_operator"[(match_operand 2 "cc_register" "") (const_int 0)]))]"TARGET_THUMB2""ite\\t%D1\;mov%D1\\t%0, #0\;mov%d1\\t%0, #1"[(set_attr "conds" "use")(set_attr "length" "10")])(define_insn "*thumb2_mov_negscc"[(set (match_operand:SI 0 "s_register_operand" "=r")(neg:SI (match_operator:SI 1 "arm_comparison_operator"[(match_operand 2 "cc_register" "") (const_int 0)])))]"TARGET_THUMB2""ite\\t%D1\;mov%D1\\t%0, #0\;mvn%d1\\t%0, #0"[(set_attr "conds" "use")(set_attr "length" "10")])(define_insn "*thumb2_mov_notscc"[(set (match_operand:SI 0 "s_register_operand" "=r")(not:SI (match_operator:SI 1 "arm_comparison_operator"[(match_operand 2 "cc_register" "") (const_int 0)])))]"TARGET_THUMB2""ite\\t%D1\;mov%D1\\t%0, #0\;mvn%d1\\t%0, #1"[(set_attr "conds" "use")(set_attr "length" "10")])(define_insn "*thumb2_movsicc_insn"[(set (match_operand:SI 0 "s_register_operand" "=r,r,r,r,r,r,r,r")(if_then_else:SI(match_operator 3 "arm_comparison_operator"[(match_operand 4 "cc_register" "") (const_int 0)])(match_operand:SI 1 "arm_not_operand" "0,0,rI,K,rI,rI,K,K")(match_operand:SI 2 "arm_not_operand" "rI,K,0,0,rI,K,rI,K")))]"TARGET_THUMB2""@it\\t%D3\;mov%D3\\t%0, %2it\\t%D3\;mvn%D3\\t%0, #%B2it\\t%d3\;mov%d3\\t%0, %1it\\t%d3\;mvn%d3\\t%0, #%B1ite\\t%d3\;mov%d3\\t%0, %1\;mov%D3\\t%0, %2ite\\t%d3\;mov%d3\\t%0, %1\;mvn%D3\\t%0, #%B2ite\\t%d3\;mvn%d3\\t%0, #%B1\;mov%D3\\t%0, %2ite\\t%d3\;mvn%d3\\t%0, #%B1\;mvn%D3\\t%0, #%B2"[(set_attr "length" "6,6,6,6,10,10,10,10")(set_attr "conds" "use")])(define_insn "*thumb2_movsfcc_soft_insn"[(set (match_operand:SF 0 "s_register_operand" "=r,r")(if_then_else:SF (match_operator 3 "arm_comparison_operator"[(match_operand 4 "cc_register" "") (const_int 0)])(match_operand:SF 1 "s_register_operand" "0,r")(match_operand:SF 2 "s_register_operand" "r,0")))]"TARGET_THUMB2 && TARGET_SOFT_FLOAT""@it\\t%D3\;mov%D3\\t%0, %2it\\t%d3\;mov%d3\\t%0, %1"[(set_attr "length" "6,6")(set_attr "conds" "use")])(define_insn "*call_reg_thumb2"[(call (mem:SI (match_operand:SI 0 "s_register_operand" "r"))(match_operand 1 "" ""))(use (match_operand 2 "" ""))(clobber (reg:SI LR_REGNUM))]"TARGET_THUMB2""blx%?\\t%0"[(set_attr "type" "call")])(define_insn "*call_value_reg_thumb2"[(set (match_operand 0 "" "")(call (mem:SI (match_operand:SI 1 "register_operand" "l*r"))(match_operand 2 "" "")))(use (match_operand 3 "" ""))(clobber (reg:SI LR_REGNUM))]"TARGET_THUMB2""blx\\t%1"[(set_attr "type" "call")])(define_insn "*thumb2_indirect_jump"[(set (pc)(match_operand:SI 0 "register_operand" "l*r"))]"TARGET_THUMB2""bx\\t%0"[(set_attr "conds" "clob")]);; Don't define thumb2_load_indirect_jump because we can't guarantee label;; addresses will have the thumb bit set correctly.;; Patterns to allow combination of arithmetic, cond code and shifts(define_insn "*thumb2_arith_shiftsi"[(set (match_operand:SI 0 "s_register_operand" "=r")(match_operator:SI 1 "shiftable_operator"[(match_operator:SI 3 "shift_operator"[(match_operand:SI 4 "s_register_operand" "r")(match_operand:SI 5 "const_int_operand" "M")])(match_operand:SI 2 "s_register_operand" "r")]))]"TARGET_THUMB2""%i1%?\\t%0, %2, %4%S3"[(set_attr "predicable" "yes")(set_attr "shift" "4")(set_attr "type" "alu_shift")]);; ??? What does this splitter do? Copied from the ARM version(define_split[(set (match_operand:SI 0 "s_register_operand" "")(match_operator:SI 1 "shiftable_operator"[(match_operator:SI 2 "shiftable_operator"[(match_operator:SI 3 "shift_operator"[(match_operand:SI 4 "s_register_operand" "")(match_operand:SI 5 "const_int_operand" "")])(match_operand:SI 6 "s_register_operand" "")])(match_operand:SI 7 "arm_rhs_operand" "")]))(clobber (match_operand:SI 8 "s_register_operand" ""))]"TARGET_32BIT"[(set (match_dup 8)(match_op_dup 2 [(match_op_dup 3 [(match_dup 4) (match_dup 5)])(match_dup 6)]))(set (match_dup 0)(match_op_dup 1 [(match_dup 8) (match_dup 7)]))]"")(define_insn "*thumb2_arith_shiftsi_compare0"[(set (reg:CC_NOOV CC_REGNUM)(compare:CC_NOOV (match_operator:SI 1 "shiftable_operator"[(match_operator:SI 3 "shift_operator"[(match_operand:SI 4 "s_register_operand" "r")(match_operand:SI 5 "const_int_operand" "M")])(match_operand:SI 2 "s_register_operand" "r")])(const_int 0)))(set (match_operand:SI 0 "s_register_operand" "=r")(match_op_dup 1 [(match_op_dup 3 [(match_dup 4) (match_dup 5)])(match_dup 2)]))]"TARGET_32BIT""%i1%.\\t%0, %2, %4%S3"[(set_attr "conds" "set")(set_attr "shift" "4")(set_attr "type" "alu_shift")])(define_insn "*thumb2_arith_shiftsi_compare0_scratch"[(set (reg:CC_NOOV CC_REGNUM)(compare:CC_NOOV (match_operator:SI 1 "shiftable_operator"[(match_operator:SI 3 "shift_operator"[(match_operand:SI 4 "s_register_operand" "r")(match_operand:SI 5 "const_int_operand" "M")])(match_operand:SI 2 "s_register_operand" "r")])(const_int 0)))(clobber (match_scratch:SI 0 "=r"))]"TARGET_THUMB2""%i1%.\\t%0, %2, %4%S3"[(set_attr "conds" "set")(set_attr "shift" "4")(set_attr "type" "alu_shift")])(define_insn "*thumb2_sub_shiftsi"[(set (match_operand:SI 0 "s_register_operand" "=r")(minus:SI (match_operand:SI 1 "s_register_operand" "r")(match_operator:SI 2 "shift_operator"[(match_operand:SI 3 "s_register_operand" "r")(match_operand:SI 4 "const_int_operand" "M")])))]"TARGET_THUMB2""sub%?\\t%0, %1, %3%S2"[(set_attr "predicable" "yes")(set_attr "shift" "3")(set_attr "type" "alu_shift")])(define_insn "*thumb2_sub_shiftsi_compare0"[(set (reg:CC_NOOV CC_REGNUM)(compare:CC_NOOV(minus:SI (match_operand:SI 1 "s_register_operand" "r")(match_operator:SI 2 "shift_operator"[(match_operand:SI 3 "s_register_operand" "r")(match_operand:SI 4 "const_int_operand" "M")]))(const_int 0)))(set (match_operand:SI 0 "s_register_operand" "=r")(minus:SI (match_dup 1) (match_op_dup 2 [(match_dup 3)(match_dup 4)])))]"TARGET_THUMB2""sub%.\\t%0, %1, %3%S2"[(set_attr "conds" "set")(set_attr "shift" "3")(set_attr "type" "alu_shift")])(define_insn "*thumb2_sub_shiftsi_compare0_scratch"[(set (reg:CC_NOOV CC_REGNUM)(compare:CC_NOOV(minus:SI (match_operand:SI 1 "s_register_operand" "r")(match_operator:SI 2 "shift_operator"[(match_operand:SI 3 "s_register_operand" "r")(match_operand:SI 4 "const_int_operand" "M")]))(const_int 0)))(clobber (match_scratch:SI 0 "=r"))]"TARGET_THUMB2""sub%.\\t%0, %1, %3%S2"[(set_attr "conds" "set")(set_attr "shift" "3")(set_attr "type" "alu_shift")])(define_insn "*thumb2_and_scc"[(set (match_operand:SI 0 "s_register_operand" "=r")(and:SI (match_operator:SI 1 "arm_comparison_operator"[(match_operand 3 "cc_register" "") (const_int 0)])(match_operand:SI 2 "s_register_operand" "r")))]"TARGET_THUMB2""ite\\t%D1\;mov%D1\\t%0, #0\;and%d1\\t%0, %2, #1"[(set_attr "conds" "use")(set_attr "length" "10")])(define_insn "*thumb2_ior_scc"[(set (match_operand:SI 0 "s_register_operand" "=r,r")(ior:SI (match_operator:SI 2 "arm_comparison_operator"[(match_operand 3 "cc_register" "") (const_int 0)])(match_operand:SI 1 "s_register_operand" "0,?r")))]"TARGET_THUMB2""@it\\t%d2\;orr%d2\\t%0, %1, #1ite\\t%D2\;mov%D2\\t%0, %1\;orr%d2\\t%0, %1, #1"[(set_attr "conds" "use")(set_attr "length" "6,10")])(define_insn "*thumb2_compare_scc"[(set (match_operand:SI 0 "s_register_operand" "=r,r")(match_operator:SI 1 "arm_comparison_operator"[(match_operand:SI 2 "s_register_operand" "r,r")(match_operand:SI 3 "arm_add_operand" "rI,L")]))(clobber (reg:CC CC_REGNUM))]"TARGET_THUMB2""*if (operands[3] == const0_rtx){if (GET_CODE (operands[1]) == LT)return \"lsr\\t%0, %2, #31\";if (GET_CODE (operands[1]) == GE)return \"mvn\\t%0, %2\;lsr\\t%0, %0, #31\";if (GET_CODE (operands[1]) == EQ)return \"rsbs\\t%0, %2, #1\;it\\tcc\;movcc\\t%0, #0\";}if (GET_CODE (operands[1]) == NE){if (which_alternative == 1)return \"adds\\t%0, %2, #%n3\;it\\tne\;movne\\t%0, #1\";return \"subs\\t%0, %2, %3\;it\\tne\;movne\\t%0, #1\";}if (which_alternative == 1)output_asm_insn (\"cmn\\t%2, #%n3\", operands);elseoutput_asm_insn (\"cmp\\t%2, %3\", operands);return \"ite\\t%D1\;mov%D1\\t%0, #0\;mov%d1\\t%0, #1\";"[(set_attr "conds" "clob")(set_attr "length" "14")])(define_insn "*thumb2_cond_move"[(set (match_operand:SI 0 "s_register_operand" "=r,r,r")(if_then_else:SI (match_operator 3 "equality_operator"[(match_operator 4 "arm_comparison_operator"[(match_operand 5 "cc_register" "") (const_int 0)])(const_int 0)])(match_operand:SI 1 "arm_rhs_operand" "0,rI,?rI")(match_operand:SI 2 "arm_rhs_operand" "rI,0,rI")))]"TARGET_THUMB2""*if (GET_CODE (operands[3]) == NE){if (which_alternative != 1)output_asm_insn (\"it\\t%D4\;mov%D4\\t%0, %2\", operands);if (which_alternative != 0)output_asm_insn (\"it\\t%d4\;mov%d4\\t%0, %1\", operands);return \"\";}switch (which_alternative){case 0:output_asm_insn (\"it\\t%d4\", operands);break;case 1:output_asm_insn (\"it\\t%D4\", operands);break;case 2:output_asm_insn (\"ite\\t%D4\", operands);break;default:abort();}if (which_alternative != 0)output_asm_insn (\"mov%D4\\t%0, %1\", operands);if (which_alternative != 1)output_asm_insn (\"mov%d4\\t%0, %2\", operands);return \"\";"[(set_attr "conds" "use")(set_attr "length" "6,6,10")])(define_insn "*thumb2_cond_arith"[(set (match_operand:SI 0 "s_register_operand" "=r,r")(match_operator:SI 5 "shiftable_operator"[(match_operator:SI 4 "arm_comparison_operator"[(match_operand:SI 2 "s_register_operand" "r,r")(match_operand:SI 3 "arm_rhs_operand" "rI,rI")])(match_operand:SI 1 "s_register_operand" "0,?r")]))(clobber (reg:CC CC_REGNUM))]"TARGET_THUMB2""*if (GET_CODE (operands[4]) == LT && operands[3] == const0_rtx)return \"%i5\\t%0, %1, %2, lsr #31\";output_asm_insn (\"cmp\\t%2, %3\", operands);if (GET_CODE (operands[5]) == AND){output_asm_insn (\"ite\\t%D4\", operands);output_asm_insn (\"mov%D4\\t%0, #0\", operands);}else if (GET_CODE (operands[5]) == MINUS){output_asm_insn (\"ite\\t%D4\", operands);output_asm_insn (\"rsb%D4\\t%0, %1, #0\", operands);}else if (which_alternative != 0){output_asm_insn (\"ite\\t%D4\", operands);output_asm_insn (\"mov%D4\\t%0, %1\", operands);}elseoutput_asm_insn (\"it\\t%d4\", operands);return \"%i5%d4\\t%0, %1, #1\";"[(set_attr "conds" "clob")(set_attr "length" "14")])(define_insn "*thumb2_cond_sub"[(set (match_operand:SI 0 "s_register_operand" "=r,r")(minus:SI (match_operand:SI 1 "s_register_operand" "0,?r")(match_operator:SI 4 "arm_comparison_operator"[(match_operand:SI 2 "s_register_operand" "r,r")(match_operand:SI 3 "arm_rhs_operand" "rI,rI")])))(clobber (reg:CC CC_REGNUM))]"TARGET_THUMB2""*output_asm_insn (\"cmp\\t%2, %3\", operands);if (which_alternative != 0){output_asm_insn (\"ite\\t%D4\", operands);output_asm_insn (\"mov%D4\\t%0, %1\", operands);}elseoutput_asm_insn (\"it\\t%d4\", operands);return \"sub%d4\\t%0, %1, #1\";"[(set_attr "conds" "clob")(set_attr "length" "10,14")])(define_insn "*thumb2_negscc"[(set (match_operand:SI 0 "s_register_operand" "=r")(neg:SI (match_operator 3 "arm_comparison_operator"[(match_operand:SI 1 "s_register_operand" "r")(match_operand:SI 2 "arm_rhs_operand" "rI")])))(clobber (reg:CC CC_REGNUM))]"TARGET_THUMB2""*if (GET_CODE (operands[3]) == LT && operands[2] == const0_rtx)return \"asr\\t%0, %1, #31\";if (GET_CODE (operands[3]) == NE)return \"subs\\t%0, %1, %2\;it\\tne\;mvnne\\t%0, #0\";output_asm_insn (\"cmp\\t%1, %2\", operands);output_asm_insn (\"ite\\t%D3\", operands);output_asm_insn (\"mov%D3\\t%0, #0\", operands);return \"mvn%d3\\t%0, #0\";"[(set_attr "conds" "clob")(set_attr "length" "14")])(define_insn "*thumb2_movcond"[(set (match_operand:SI 0 "s_register_operand" "=r,r,r")(if_then_else:SI(match_operator 5 "arm_comparison_operator"[(match_operand:SI 3 "s_register_operand" "r,r,r")(match_operand:SI 4 "arm_add_operand" "rIL,rIL,rIL")])(match_operand:SI 1 "arm_rhs_operand" "0,rI,?rI")(match_operand:SI 2 "arm_rhs_operand" "rI,0,rI")))(clobber (reg:CC CC_REGNUM))]"TARGET_THUMB2""*if (GET_CODE (operands[5]) == LT&& (operands[4] == const0_rtx)){if (which_alternative != 1 && GET_CODE (operands[1]) == REG){if (operands[2] == const0_rtx)return \"and\\t%0, %1, %3, asr #31\";return \"ands\\t%0, %1, %3, asr #32\;it\\tcc\;movcc\\t%0, %2\";}else if (which_alternative != 0 && GET_CODE (operands[2]) == REG){if (operands[1] == const0_rtx)return \"bic\\t%0, %2, %3, asr #31\";return \"bics\\t%0, %2, %3, asr #32\;it\\tcs\;movcs\\t%0, %1\";}/* The only case that falls through to here is when both ops 1 & 2are constants. */}if (GET_CODE (operands[5]) == GE&& (operands[4] == const0_rtx)){if (which_alternative != 1 && GET_CODE (operands[1]) == REG){if (operands[2] == const0_rtx)return \"bic\\t%0, %1, %3, asr #31\";return \"bics\\t%0, %1, %3, asr #32\;it\\tcs\;movcs\\t%0, %2\";}else if (which_alternative != 0 && GET_CODE (operands[2]) == REG){if (operands[1] == const0_rtx)return \"and\\t%0, %2, %3, asr #31\";return \"ands\\t%0, %2, %3, asr #32\;it\tcc\;movcc\\t%0, %1\";}/* The only case that falls through to here is when both ops 1 & 2are constants. */}if (GET_CODE (operands[4]) == CONST_INT&& !const_ok_for_arm (INTVAL (operands[4])))output_asm_insn (\"cmn\\t%3, #%n4\", operands);elseoutput_asm_insn (\"cmp\\t%3, %4\", operands);switch (which_alternative){case 0:output_asm_insn (\"it\\t%D5\", operands);break;case 1:output_asm_insn (\"it\\t%d5\", operands);break;case 2:output_asm_insn (\"ite\\t%d5\", operands);break;default:abort();}if (which_alternative != 0)output_asm_insn (\"mov%d5\\t%0, %1\", operands);if (which_alternative != 1)output_asm_insn (\"mov%D5\\t%0, %2\", operands);return \"\";"[(set_attr "conds" "clob")(set_attr "length" "10,10,14")]);; Zero and sign extension instructions.(define_insn_and_split "*thumb2_zero_extendsidi2"[(set (match_operand:DI 0 "s_register_operand" "=r")(zero_extend:DI (match_operand:SI 1 "s_register_operand" "r")))]"TARGET_THUMB2""mov%?\\t%Q0, %1\;mov%?\\t%R0, #0""&& reload_completed"[(set (match_dup 0) (match_dup 1))]"{rtx lo_part = gen_lowpart (SImode, operands[0]);if (!REG_P (lo_part) || REGNO (lo_part) != REGNO (operands[1]))emit_move_insn (lo_part, operands[1]);operands[0] = gen_highpart (SImode, operands[0]);operands[1] = const0_rtx;}"[(set_attr "length" "8")(set_attr "ce_count" "2")(set_attr "predicable" "yes")])(define_insn_and_split "*thumb2_zero_extendhidi2"[(set (match_operand:DI 0 "s_register_operand" "=r,r")(zero_extend:DI (match_operand:HI 1 "nonimmediate_operand" "r,m")))]"TARGET_THUMB2""@uxth%?\\t%Q0, %1\;mov%?\\t%R0, #0ldr%(h%)\\t%Q0, %1\;mov%?\\t%R0, #0""&& reload_completed"[(set (match_dup 0) (zero_extend:SI (match_dup 1)))(set (match_dup 2) (match_dup 3))]"{operands[2] = gen_highpart (SImode, operands[0]);operands[0] = gen_lowpart (SImode, operands[0]);operands[3] = const0_rtx;}"[(set_attr "length" "8")(set_attr "ce_count" "2")(set_attr "predicable" "yes")(set_attr "type" "*,load_byte")(set_attr "pool_range" "*,4092")(set_attr "neg_pool_range" "*,250")])(define_insn_and_split "*thumb2_zero_extendqidi2"[(set (match_operand:DI 0 "s_register_operand" "=r,r")(zero_extend:DI (match_operand:QI 1 "nonimmediate_operand" "r,m")))]"TARGET_THUMB2""@uxtb%?\\t%Q0, %1\;mov%?\\t%R0, #0ldr%(b%)\\t%Q0, %1\;mov%?\\t%R0, #0""&& reload_completed"[(set (match_dup 0) (zero_extend:SI (match_dup 1)))(set (match_dup 2) (match_dup 3))]"{operands[2] = gen_highpart (SImode, operands[0]);operands[0] = gen_lowpart (SImode, operands[0]);operands[3] = const0_rtx;}"[(set_attr "length" "8")(set_attr "ce_count" "2")(set_attr "predicable" "yes")(set_attr "type" "*,load_byte")(set_attr "pool_range" "*,4092")(set_attr "neg_pool_range" "*,250")])(define_insn_and_split "*thumb2_extendsidi2"[(set (match_operand:DI 0 "s_register_operand" "=r")(sign_extend:DI (match_operand:SI 1 "s_register_operand" "r")))]"TARGET_THUMB2""mov%?\\t%Q0, %1\;asr?\\t%R0, %1, #31""&& reload_completed"[(set (match_dup 0) (ashiftrt:SI (match_dup 1) (const_int 31)))]{rtx lo_part = gen_lowpart (SImode, operands[0]);if (!REG_P (lo_part) || REGNO (lo_part) != REGNO (operands[1]))emit_move_insn (lo_part, operands[1]);operands[0] = gen_highpart (SImode, operands[0]);}[(set_attr "length" "8")(set_attr "ce_count" "2")(set_attr "shift" "1")(set_attr "predicable" "yes")])(define_insn_and_split "*thumb2_extendhidi2"[(set (match_operand:DI 0 "s_register_operand" "=r,r")(sign_extend:DI (match_operand:HI 1 "nonimmediate_operand" "r,m")))]"TARGET_THUMB2""@sxth%?\\t%Q0, %1\;asr%?\\t%R0, %Q0, #31ldrsh%?\\t%Q0, %1\;asr%?\\t%R0, %Q0, #31""&& reload_completed"[(set (match_dup 0) (sign_extend:SI (match_dup 1)))(set (match_dup 2) (ashiftrt:SI (match_dup 0) (const_int 31)))]"{operands[2] = gen_highpart (SImode, operands[0]);operands[0] = gen_lowpart (SImode, operands[0]);}"[(set_attr "length" "8")(set_attr "ce_count" "2")(set_attr "predicable" "yes")(set_attr "type" "*,load_byte")(set_attr "pool_range" "*,4092")(set_attr "neg_pool_range" "*,250")])(define_insn_and_split "*thumb2_extendqidi2"[(set (match_operand:DI 0 "s_register_operand" "=r,r")(sign_extend:DI (match_operand:QI 1 "nonimmediate_operand" "r,m")))]"TARGET_THUMB2""@sxtb%?\\t%Q0, %1\;asr%?\\t%R0, %Q0, #31ldrsb%?\\t%Q0, %1\;asr%?\\t%R0, %Q0, #31""&& reload_completed"[(set (match_dup 0) (sign_extend:SI (match_dup 1)))(set (match_dup 2) (ashiftrt:SI (match_dup 0) (const_int 31)))]"{operands[2] = gen_highpart (SImode, operands[0]);operands[0] = gen_lowpart (SImode, operands[0]);}"[(set_attr "length" "8")(set_attr "ce_count" "2")(set_attr "predicable" "yes")(set_attr "type" "*,load_byte")(set_attr "pool_range" "*,4092")(set_attr "neg_pool_range" "*,250")]);; All supported Thumb2 implementations are armv6, so only that case is;; provided.(define_insn "*thumb2_extendqisi_v6"[(set (match_operand:SI 0 "s_register_operand" "=r,r")(sign_extend:SI (match_operand:QI 1 "nonimmediate_operand" "r,m")))]"TARGET_THUMB2 && arm_arch6""@sxtb%?\\t%0, %1ldr%(sb%)\\t%0, %1"[(set_attr "type" "alu_shift,load_byte")(set_attr "predicable" "yes")(set_attr "pool_range" "*,4096")(set_attr "neg_pool_range" "*,250")])(define_insn "*thumb2_zero_extendhisi2_v6"[(set (match_operand:SI 0 "s_register_operand" "=r,r")(zero_extend:SI (match_operand:HI 1 "nonimmediate_operand" "r,m")))]"TARGET_THUMB2 && arm_arch6""@uxth%?\\t%0, %1ldr%(h%)\\t%0, %1"[(set_attr "type" "alu_shift,load_byte")(set_attr "predicable" "yes")(set_attr "pool_range" "*,4096")(set_attr "neg_pool_range" "*,250")])(define_insn "*thumb2_zero_extendqisi2_v6"[(set (match_operand:SI 0 "s_register_operand" "=r,r")(zero_extend:SI (match_operand:QI 1 "nonimmediate_operand" "r,m")))]"TARGET_THUMB2 && arm_arch6""@uxtb%(%)\\t%0, %1ldr%(b%)\\t%0, %1\\t%@ zero_extendqisi2"[(set_attr "type" "alu_shift,load_byte")(set_attr "predicable" "yes")(set_attr "pool_range" "*,4096")(set_attr "neg_pool_range" "*,250")])(define_insn "thumb2_casesi_internal"[(parallel [(set (pc)(if_then_else(leu (match_operand:SI 0 "s_register_operand" "r")(match_operand:SI 1 "arm_rhs_operand" "rI"))(mem:SI (plus:SI (mult:SI (match_dup 0) (const_int 4))(label_ref (match_operand 2 "" ""))))(label_ref (match_operand 3 "" ""))))(clobber (reg:CC CC_REGNUM))(clobber (match_scratch:SI 4 "=&r"))(use (label_ref (match_dup 2)))])]"TARGET_THUMB2 && !flag_pic""* return thumb2_output_casesi(operands);"[(set_attr "conds" "clob")(set_attr "length" "16")])(define_insn "thumb2_casesi_internal_pic"[(parallel [(set (pc)(if_then_else(leu (match_operand:SI 0 "s_register_operand" "r")(match_operand:SI 1 "arm_rhs_operand" "rI"))(mem:SI (plus:SI (mult:SI (match_dup 0) (const_int 4))(label_ref (match_operand 2 "" ""))))(label_ref (match_operand 3 "" ""))))(clobber (reg:CC CC_REGNUM))(clobber (match_scratch:SI 4 "=&r"))(clobber (match_scratch:SI 5 "=r"))(use (label_ref (match_dup 2)))])]"TARGET_THUMB2 && flag_pic""* return thumb2_output_casesi(operands);"[(set_attr "conds" "clob")(set_attr "length" "20")])(define_insn_and_split "thumb2_eh_return"[(unspec_volatile [(match_operand:SI 0 "s_register_operand" "r")]VUNSPEC_EH_RETURN)(clobber (match_scratch:SI 1 "=&r"))]"TARGET_THUMB2""#""&& reload_completed"[(const_int 0)]"{thumb_set_return_address (operands[0], operands[1]);DONE;}");; Peepholes and insns for 16-bit flag clobbering instructions.;; The conditional forms of these instructions do not clobber CC.;; However by the time peepholes are run it is probably too late to do;; anything useful with this information.(define_peephole2[(set (match_operand:SI 0 "low_register_operand" "")(match_operator:SI 3 "thumb_16bit_operator"[(match_operand:SI 1 "low_register_operand" "")(match_operand:SI 2 "low_register_operand" "")]))]"TARGET_THUMB2&& (rtx_equal_p(operands[0], operands[1])|| GET_CODE(operands[3]) == PLUS|| GET_CODE(operands[3]) == MINUS)&& peep2_regno_dead_p(0, CC_REGNUM)"[(parallel[(set (match_dup 0)(match_op_dup 3[(match_dup 1)(match_dup 2)]))(clobber (reg:CC CC_REGNUM))])]"")(define_insn "*thumb2_alusi3_short"[(set (match_operand:SI 0 "s_register_operand" "=l")(match_operator:SI 3 "thumb_16bit_operator"[(match_operand:SI 1 "s_register_operand" "0")(match_operand:SI 2 "s_register_operand" "l")]))(clobber (reg:CC CC_REGNUM))]"TARGET_THUMB2 && reload_completed&& GET_CODE(operands[3]) != PLUS&& GET_CODE(operands[3]) != MINUS""%I3%!\\t%0, %1, %2"[(set_attr "predicable" "yes")(set_attr "length" "2")]);; Similarly for 16-bit shift instructions;; There is no 16-bit rotate by immediate instruction.(define_peephole2[(set (match_operand:SI 0 "low_register_operand" "")(match_operator:SI 3 "shift_operator"[(match_operand:SI 1 "low_register_operand" "")(match_operand:SI 2 "low_reg_or_int_operand" "")]))]"TARGET_THUMB2&& peep2_regno_dead_p(0, CC_REGNUM)&& ((GET_CODE(operands[3]) != ROTATE && GET_CODE(operands[3]) != ROTATERT)|| REG_P(operands[2]))"[(parallel[(set (match_dup 0)(match_op_dup 3[(match_dup 1)(match_dup 2)]))(clobber (reg:CC CC_REGNUM))])]"")(define_insn "*thumb2_shiftsi3_short"[(set (match_operand:SI 0 "low_register_operand" "=l")(match_operator:SI 3 "shift_operator"[(match_operand:SI 1 "low_register_operand" "l")(match_operand:SI 2 "low_reg_or_int_operand" "lM")]))(clobber (reg:CC CC_REGNUM))]"TARGET_THUMB2 && reload_completed&& ((GET_CODE(operands[3]) != ROTATE && GET_CODE(operands[3]) != ROTATERT)|| REG_P(operands[2]))""* return arm_output_shift(operands, 2);"[(set_attr "predicable" "yes")(set_attr "shift" "1")(set_attr "length" "2")(set (attr "type") (if_then_else (match_operand 2 "const_int_operand" "")(const_string "alu_shift")(const_string "alu_shift_reg")))]);; 16-bit load immediate(define_peephole2[(set (match_operand:QHSI 0 "low_register_operand" "")(match_operand:QHSI 1 "const_int_operand" ""))]"TARGET_THUMB2&& peep2_regno_dead_p(0, CC_REGNUM)&& (unsigned HOST_WIDE_INT) INTVAL(operands[1]) < 256"[(parallel[(set (match_dup 0)(match_dup 1))(clobber (reg:CC CC_REGNUM))])]"")(define_insn "*thumb2_mov<mode>_shortim"[(set (match_operand:QHSI 0 "low_register_operand" "=l")(match_operand:QHSI 1 "const_int_operand" "I"))(clobber (reg:CC CC_REGNUM))]"TARGET_THUMB2 && reload_completed""mov%!\t%0, %1"[(set_attr "predicable" "yes")(set_attr "length" "2")]);; 16-bit add/sub immediate(define_peephole2[(set (match_operand:SI 0 "low_register_operand" "")(plus:SI (match_operand:SI 1 "low_register_operand" "")(match_operand:SI 2 "const_int_operand" "")))]"TARGET_THUMB2&& peep2_regno_dead_p(0, CC_REGNUM)&& ((rtx_equal_p(operands[0], operands[1])&& INTVAL(operands[2]) > -256 && INTVAL(operands[2]) < 256)|| (INTVAL(operands[2]) > -8 && INTVAL(operands[2]) < 8))"[(parallel[(set (match_dup 0)(plus:SI (match_dup 1)(match_dup 2)))(clobber (reg:CC CC_REGNUM))])]"")(define_insn "*thumb2_addsi_short"[(set (match_operand:SI 0 "low_register_operand" "=l,l")(plus:SI (match_operand:SI 1 "low_register_operand" "l,0")(match_operand:SI 2 "low_reg_or_int_operand" "lPt,Ps")))(clobber (reg:CC CC_REGNUM))]"TARGET_THUMB2 && reload_completed""*HOST_WIDE_INT val;if (GET_CODE (operands[2]) == CONST_INT)val = INTVAL(operands[2]);elseval = 0;/* We prefer eg. subs rn, rn, #1 over adds rn, rn, #0xffffffff. */if (val < 0 && const_ok_for_arm(ARM_SIGN_EXTEND (-val)))return \"sub%!\\t%0, %1, #%n2\";elsereturn \"add%!\\t%0, %1, %2\";"[(set_attr "predicable" "yes")(set_attr "length" "2")])(define_insn "divsi3"[(set (match_operand:SI 0 "s_register_operand" "=r")(div:SI (match_operand:SI 1 "s_register_operand" "r")(match_operand:SI 2 "s_register_operand" "r")))]"TARGET_THUMB2 && arm_arch_hwdiv""sdiv%?\t%0, %1, %2"[(set_attr "predicable" "yes")(set_attr "insn" "sdiv")])(define_insn "udivsi3"[(set (match_operand:SI 0 "s_register_operand" "=r")(udiv:SI (match_operand:SI 1 "s_register_operand" "r")(match_operand:SI 2 "s_register_operand" "r")))]"TARGET_THUMB2 && arm_arch_hwdiv""udiv%?\t%0, %1, %2"[(set_attr "predicable" "yes")(set_attr "insn" "udiv")])(define_insn "*thumb2_subsi_short"[(set (match_operand:SI 0 "low_register_operand" "=l")(minus:SI (match_operand:SI 1 "low_register_operand" "l")(match_operand:SI 2 "low_register_operand" "l")))(clobber (reg:CC CC_REGNUM))]"TARGET_THUMB2 && reload_completed""sub%!\\t%0, %1, %2"[(set_attr "predicable" "yes")(set_attr "length" "2")]);; 16-bit encodings of "muls" and "mul<c>". We only use these when;; optimizing for size since "muls" is slow on all known;; implementations and since "mul<c>" will be generated by;; "*arm_mulsi3_v6" anyhow. The assembler will use a 16-bit encoding;; for "mul<c>" whenever possible anyhow.(define_peephole2[(set (match_operand:SI 0 "low_register_operand" "")(mult:SI (match_operand:SI 1 "low_register_operand" "")(match_dup 0)))]"TARGET_THUMB2 && optimize_size && peep2_regno_dead_p (0, CC_REGNUM)"[(parallel[(set (match_dup 0)(mult:SI (match_dup 0) (match_dup 1)))(clobber (reg:CC CC_REGNUM))])]"")(define_peephole2[(set (match_operand:SI 0 "low_register_operand" "")(mult:SI (match_dup 0)(match_operand:SI 1 "low_register_operand" "")))]"TARGET_THUMB2 && optimize_size && peep2_regno_dead_p (0, CC_REGNUM)"[(parallel[(set (match_dup 0)(mult:SI (match_dup 0) (match_dup 1)))(clobber (reg:CC CC_REGNUM))])]"")(define_insn "*thumb2_mulsi_short"[(set (match_operand:SI 0 "low_register_operand" "=l")(mult:SI (match_operand:SI 1 "low_register_operand" "%0")(match_operand:SI 2 "low_register_operand" "l")))(clobber (reg:CC CC_REGNUM))]"TARGET_THUMB2 && optimize_size && reload_completed""mul%!\\t%0, %2, %0"[(set_attr "predicable" "yes")(set_attr "length" "2")(set_attr "insn" "muls")])(define_insn "*thumb2_mulsi_short_compare0"[(set (reg:CC_NOOV CC_REGNUM)(compare:CC_NOOV(mult:SI (match_operand:SI 1 "register_operand" "%0")(match_operand:SI 2 "register_operand" "l"))(const_int 0)))(set (match_operand:SI 0 "register_operand" "=l")(mult:SI (match_dup 1) (match_dup 2)))]"TARGET_THUMB2 && optimize_size""muls\\t%0, %2, %0"[(set_attr "length" "2")(set_attr "insn" "muls")])(define_insn "*thumb2_mulsi_short_compare0_scratch"[(set (reg:CC_NOOV CC_REGNUM)(compare:CC_NOOV(mult:SI (match_operand:SI 1 "register_operand" "%0")(match_operand:SI 2 "register_operand" "l"))(const_int 0)))(clobber (match_scratch:SI 0 "=l"))]"TARGET_THUMB2 && optimize_size""muls\\t%0, %2, %0"[(set_attr "length" "2")(set_attr "insn" "muls")])(define_insn "*thumb2_cbz"[(set (pc) (if_then_else(eq (match_operand:SI 0 "s_register_operand" "l,?r")(const_int 0))(label_ref (match_operand 1 "" ""))(pc)))(clobber (reg:CC CC_REGNUM))]"TARGET_THUMB2""*if (get_attr_length (insn) == 2)return \"cbz\\t%0, %l1\";elsereturn \"cmp\\t%0, #0\;beq\\t%l1\";"[(set (attr "length")(if_then_else(and (ge (minus (match_dup 1) (pc)) (const_int 2))(le (minus (match_dup 1) (pc)) (const_int 128))(eq (symbol_ref ("which_alternative")) (const_int 0)))(const_int 2)(const_int 8)))])(define_insn "*thumb2_cbnz"[(set (pc) (if_then_else(ne (match_operand:SI 0 "s_register_operand" "l,?r")(const_int 0))(label_ref (match_operand 1 "" ""))(pc)))(clobber (reg:CC CC_REGNUM))]"TARGET_THUMB2""*if (get_attr_length (insn) == 2)return \"cbnz\\t%0, %l1\";elsereturn \"cmp\\t%0, #0\;bne\\t%l1\";"[(set (attr "length")(if_then_else(and (ge (minus (match_dup 1) (pc)) (const_int 2))(le (minus (match_dup 1) (pc)) (const_int 128))(eq (symbol_ref ("which_alternative")) (const_int 0)))(const_int 2)(const_int 8)))]);; 16-bit complement(define_peephole2[(set (match_operand:SI 0 "low_register_operand" "")(not:SI (match_operand:SI 1 "low_register_operand" "")))]"TARGET_THUMB2&& peep2_regno_dead_p(0, CC_REGNUM)"[(parallel[(set (match_dup 0)(not:SI (match_dup 1)))(clobber (reg:CC CC_REGNUM))])]"")(define_insn "*thumb2_one_cmplsi2_short"[(set (match_operand:SI 0 "low_register_operand" "=l")(not:SI (match_operand:SI 1 "low_register_operand" "l")))(clobber (reg:CC CC_REGNUM))]"TARGET_THUMB2 && reload_completed""mvn%!\t%0, %1"[(set_attr "predicable" "yes")(set_attr "length" "2")]);; 16-bit negate(define_peephole2[(set (match_operand:SI 0 "low_register_operand" "")(neg:SI (match_operand:SI 1 "low_register_operand" "")))]"TARGET_THUMB2&& peep2_regno_dead_p(0, CC_REGNUM)"[(parallel[(set (match_dup 0)(neg:SI (match_dup 1)))(clobber (reg:CC CC_REGNUM))])]"")(define_insn "*thumb2_negsi2_short"[(set (match_operand:SI 0 "low_register_operand" "=l")(neg:SI (match_operand:SI 1 "low_register_operand" "l")))(clobber (reg:CC CC_REGNUM))]"TARGET_THUMB2 && reload_completed""neg%!\t%0, %1"[(set_attr "predicable" "yes")(set_attr "length" "2")])(define_insn "orsi_notsi_si"[(set (match_operand:SI 0 "s_register_operand" "=r")(ior:SI (not:SI (match_operand:SI 2 "s_register_operand" "r"))(match_operand:SI 1 "s_register_operand" "r")))]"TARGET_THUMB2""orn%?\\t%0, %1, %2"[(set_attr "predicable" "yes")])(define_insn "*thumb_orsi_not_shiftsi_si"[(set (match_operand:SI 0 "s_register_operand" "=r")(ior:SI (not:SI (match_operator:SI 4 "shift_operator"[(match_operand:SI 2 "s_register_operand" "r")(match_operand:SI 3 "const_int_operand" "M")]))(match_operand:SI 1 "s_register_operand" "r")))]"TARGET_THUMB2""orn%?\\t%0, %1, %2%S4"[(set_attr "predicable" "yes")(set_attr "shift" "2")(set_attr "type" "alu_shift")])(define_insn_and_split "*thumb2_iorsi3"[(set (match_operand:SI 0 "s_register_operand" "=r,r,r")(ior:SI (match_operand:SI 1 "s_register_operand" "r,r,r")(match_operand:SI 2 "reg_or_int_operand" "rI,K,?n")))]"TARGET_THUMB2""@orr%?\\t%0, %1, %2orn%?\\t%0, %1, #%B2#""TARGET_THUMB2&& GET_CODE (operands[2]) == CONST_INT&& !(const_ok_for_arm (INTVAL (operands[2]))|| const_ok_for_arm (~INTVAL (operands[2])))"[(clobber (const_int 0))]"arm_split_constant (IOR, SImode, curr_insn,INTVAL (operands[2]), operands[0], operands[1], 0);DONE;"[(set_attr "length" "4,4,16")(set_attr "predicable" "yes")])
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