842 lines
26 KiB
Markdown
842 lines
26 KiB
Markdown
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;; ARM VFP coprocessor Machine Description
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;; Copyright (C) 2003, 2005 Free Software Foundation, Inc.
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;; Written by CodeSourcery, LLC.
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;;
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;; This file is part of GCC.
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;;
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;; GCC is free software; you can redistribute it and/or modify it
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;; under the terms of the GNU General Public License as published by
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;; the Free Software Foundation; either version 2, or (at your option)
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;; any later version.
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;;
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;; GCC is distributed in the hope that it will be useful, but
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;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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;; General Public License for more details.
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;;
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;; You should have received a copy of the GNU General Public License
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;; along with GCC; see the file COPYING. If not, write to the Free
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;; Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
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;; 02110-1301, USA. */
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;; Additional register numbers
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(define_constants
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[(VFPCC_REGNUM 95)]
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)
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; Pipeline description
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(define_automaton "vfp11")
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;; There are 3 pipelines in the VFP11 unit.
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;;
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;; - A 8-stage FMAC pipeline (7 execute + writeback) with forward from
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;; fourth stage for simple operations.
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;;
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;; - A 5-stage DS pipeline (4 execute + writeback) for divide/sqrt insns.
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;; These insns also uses first execute stage of FMAC pipeline.
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;;
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;; - A 4-stage LS pipeline (execute + 2 memory + writeback) with forward from
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;; second memory stage for loads.
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;; We do not model Write-After-Read hazards.
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;; We do not do write scheduling with the arm core, so it is only necessary
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;; to model the first stage of each pipeline
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;; ??? Need to model LS pipeline properly for load/store multiple?
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;; We do not model fmstat properly. This could be done by modeling pipelines
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;; properly and defining an absence set between a dummy fmstat unit and all
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;; other vfp units.
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(define_cpu_unit "fmac" "vfp11")
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(define_cpu_unit "ds" "vfp11")
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(define_cpu_unit "vfp_ls" "vfp11")
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(define_cpu_unit "fmstat" "vfp11")
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(exclusion_set "fmac,ds" "fmstat")
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;; The VFP "type" attributes differ from those used in the FPA model.
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;; ffarith Fast floating point insns, e.g. abs, neg, cpy, cmp.
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;; farith Most arithmetic insns.
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;; fmul Double precision multiply.
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;; fdivs Single precision sqrt or division.
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;; fdivd Double precision sqrt or division.
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;; f_flag fmstat operation
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;; f_load[sd] Floating point load from memory.
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;; f_store[sd] Floating point store to memory.
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;; f_2_r Transfer vfp to arm reg.
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;; r_2_f Transfer arm to vfp reg.
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;; f_cvt Convert floating<->integral
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(define_insn_reservation "vfp_ffarith" 4
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(and (eq_attr "generic_vfp" "yes")
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(eq_attr "type" "ffarith"))
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"fmac")
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(define_insn_reservation "vfp_farith" 8
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(and (eq_attr "generic_vfp" "yes")
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(eq_attr "type" "farith,f_cvt"))
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"fmac")
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(define_insn_reservation "vfp_fmul" 9
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(and (eq_attr "generic_vfp" "yes")
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(eq_attr "type" "fmul"))
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"fmac*2")
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(define_insn_reservation "vfp_fdivs" 19
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(and (eq_attr "generic_vfp" "yes")
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(eq_attr "type" "fdivs"))
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"ds*15")
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(define_insn_reservation "vfp_fdivd" 33
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(and (eq_attr "generic_vfp" "yes")
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(eq_attr "type" "fdivd"))
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"fmac+ds*29")
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;; Moves to/from arm regs also use the load/store pipeline.
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(define_insn_reservation "vfp_fload" 4
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(and (eq_attr "generic_vfp" "yes")
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(eq_attr "type" "f_loads,f_loadd,r_2_f"))
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"vfp_ls")
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(define_insn_reservation "vfp_fstore" 4
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(and (eq_attr "generic_vfp" "yes")
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(eq_attr "type" "f_stores,f_stored,f_2_r"))
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"vfp_ls")
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(define_insn_reservation "vfp_to_cpsr" 4
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(and (eq_attr "generic_vfp" "yes")
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(eq_attr "type" "f_flag"))
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"fmstat,vfp_ls*3")
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; Insn pattern
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; SImode moves
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;; ??? For now do not allow loading constants into vfp regs. This causes
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;; problems because small constants get converted into adds.
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(define_insn "*arm_movsi_vfp"
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[(set (match_operand:SI 0 "nonimmediate_operand" "=r,r,r ,m,*w,r,*w,*w, *Uv")
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(match_operand:SI 1 "general_operand" "rI,K,mi,r,r,*w,*w,*Uvi,*w"))]
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"TARGET_ARM && TARGET_VFP && TARGET_HARD_FLOAT
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&& ( s_register_operand (operands[0], SImode)
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|| s_register_operand (operands[1], SImode))"
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"@
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mov%?\\t%0, %1
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mvn%?\\t%0, #%B1
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ldr%?\\t%0, %1
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str%?\\t%1, %0
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fmsr%?\\t%0, %1\\t%@ int
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fmrs%?\\t%0, %1\\t%@ int
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fcpys%?\\t%0, %1\\t%@ int
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flds%?\\t%0, %1\\t%@ int
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fsts%?\\t%1, %0\\t%@ int"
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[(set_attr "predicable" "yes")
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(set_attr "type" "*,*,load1,store1,r_2_f,f_2_r,ffarith,f_loads,f_stores")
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(set_attr "pool_range" "*,*,4096,*,*,*,*,1020,*")
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(set_attr "neg_pool_range" "*,*,4084,*,*,*,*,1008,*")]
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)
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;; DImode moves
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(define_insn "*arm_movdi_vfp"
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[(set (match_operand:DI 0 "nonimmediate_di_operand" "=r, r,m,w,r,w,w, Uv")
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(match_operand:DI 1 "di_operand" "rIK,mi,r,r,w,w,Uvi,w"))]
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"TARGET_ARM && TARGET_HARD_FLOAT && TARGET_VFP
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&& ( register_operand (operands[0], DImode)
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|| register_operand (operands[1], DImode))"
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"*
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switch (which_alternative)
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{
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case 0:
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return \"#\";
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case 1:
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case 2:
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return output_move_double (operands);
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case 3:
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return \"fmdrr%?\\t%P0, %Q1, %R1\\t%@ int\";
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case 4:
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return \"fmrrd%?\\t%Q0, %R0, %P1\\t%@ int\";
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case 5:
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return \"fcpyd%?\\t%P0, %P1\\t%@ int\";
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case 6:
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return \"fldd%?\\t%P0, %1\\t%@ int\";
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case 7:
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return \"fstd%?\\t%P1, %0\\t%@ int\";
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default:
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gcc_unreachable ();
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}
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"
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[(set_attr "type" "*,load2,store2,r_2_f,f_2_r,ffarith,f_loadd,f_stored")
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(set_attr "length" "8,8,8,4,4,4,4,4")
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(set_attr "pool_range" "*,1020,*,*,*,*,1020,*")
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(set_attr "neg_pool_range" "*,1008,*,*,*,*,1008,*")]
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)
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;; SFmode moves
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;; Disparage the w<->r cases because reloading an invalid address is
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;; preferable to loading the value via integer registers.
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(define_insn "*movsf_vfp"
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[(set (match_operand:SF 0 "nonimmediate_operand" "=w,?r,w ,Uv,r ,m,w,r")
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(match_operand:SF 1 "general_operand" " ?r,w,UvE,w, mE,r,w,r"))]
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"TARGET_ARM && TARGET_HARD_FLOAT && TARGET_VFP
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&& ( s_register_operand (operands[0], SFmode)
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|| s_register_operand (operands[1], SFmode))"
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"@
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fmsr%?\\t%0, %1
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fmrs%?\\t%0, %1
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flds%?\\t%0, %1
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fsts%?\\t%1, %0
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ldr%?\\t%0, %1\\t%@ float
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str%?\\t%1, %0\\t%@ float
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fcpys%?\\t%0, %1
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mov%?\\t%0, %1\\t%@ float"
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[(set_attr "predicable" "yes")
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(set_attr "type" "r_2_f,f_2_r,ffarith,*,f_loads,f_stores,load1,store1")
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(set_attr "pool_range" "*,*,1020,*,4096,*,*,*")
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(set_attr "neg_pool_range" "*,*,1008,*,4080,*,*,*")]
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)
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;; DFmode moves
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(define_insn "*movdf_vfp"
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[(set (match_operand:DF 0 "nonimmediate_soft_df_operand" "=w,?r,r, m,w ,Uv,w,r")
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(match_operand:DF 1 "soft_df_operand" " ?r,w,mF,r,UvF,w, w,r"))]
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"TARGET_ARM && TARGET_HARD_FLOAT && TARGET_VFP
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&& ( register_operand (operands[0], DFmode)
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|| register_operand (operands[1], DFmode))"
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"*
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{
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switch (which_alternative)
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{
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case 0:
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return \"fmdrr%?\\t%P0, %Q1, %R1\";
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case 1:
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return \"fmrrd%?\\t%Q0, %R0, %P1\";
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case 2: case 3:
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return output_move_double (operands);
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case 4:
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return \"fldd%?\\t%P0, %1\";
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case 5:
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return \"fstd%?\\t%P1, %0\";
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case 6:
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return \"fcpyd%?\\t%P0, %P1\";
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case 7:
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return \"#\";
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default:
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gcc_unreachable ();
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}
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}
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"
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[(set_attr "type" "r_2_f,f_2_r,ffarith,*,load2,store2,f_loadd,f_stored")
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(set_attr "length" "4,4,8,8,4,4,4,8")
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(set_attr "pool_range" "*,*,1020,*,1020,*,*,*")
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(set_attr "neg_pool_range" "*,*,1008,*,1008,*,*,*")]
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)
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;; Conditional move patterns
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(define_insn "*movsfcc_vfp"
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[(set (match_operand:SF 0 "s_register_operand" "=w,w,w,w,w,w,?r,?r,?r")
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(if_then_else:SF
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(match_operator 3 "arm_comparison_operator"
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[(match_operand 4 "cc_register" "") (const_int 0)])
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(match_operand:SF 1 "s_register_operand" "0,w,w,0,?r,?r,0,w,w")
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(match_operand:SF 2 "s_register_operand" "w,0,w,?r,0,?r,w,0,w")))]
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"TARGET_ARM && TARGET_HARD_FLOAT && TARGET_VFP"
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"@
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fcpys%D3\\t%0, %2
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fcpys%d3\\t%0, %1
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fcpys%D3\\t%0, %2\;fcpys%d3\\t%0, %1
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fmsr%D3\\t%0, %2
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fmsr%d3\\t%0, %1
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fmsr%D3\\t%0, %2\;fmsr%d3\\t%0, %1
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fmrs%D3\\t%0, %2
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fmrs%d3\\t%0, %1
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fmrs%D3\\t%0, %2\;fmrs%d3\\t%0, %1"
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[(set_attr "conds" "use")
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(set_attr "length" "4,4,8,4,4,8,4,4,8")
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(set_attr "type" "ffarith,ffarith,ffarith,r_2_f,r_2_f,r_2_f,f_2_r,f_2_r,f_2_r")]
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)
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(define_insn "*movdfcc_vfp"
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[(set (match_operand:DF 0 "s_register_operand" "=w,w,w,w,w,w,?r,?r,?r")
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(if_then_else:DF
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(match_operator 3 "arm_comparison_operator"
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[(match_operand 4 "cc_register" "") (const_int 0)])
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(match_operand:DF 1 "s_register_operand" "0,w,w,0,?r,?r,0,w,w")
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(match_operand:DF 2 "s_register_operand" "w,0,w,?r,0,?r,w,0,w")))]
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"TARGET_ARM && TARGET_HARD_FLOAT && TARGET_VFP"
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"@
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fcpyd%D3\\t%P0, %P2
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fcpyd%d3\\t%P0, %P1
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fcpyd%D3\\t%P0, %P2\;fcpyd%d3\\t%P0, %P1
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fmdrr%D3\\t%P0, %Q2, %R2
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fmdrr%d3\\t%P0, %Q1, %R1
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fmdrr%D3\\t%P0, %Q2, %R2\;fmdrr%d3\\t%P0, %Q1, %R1
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fmrrd%D3\\t%Q0, %R0, %P2
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fmrrd%d3\\t%Q0, %R0, %P1
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fmrrd%D3\\t%Q0, %R0, %P2\;fmrrd%d3\\t%Q0, %R0, %P1"
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[(set_attr "conds" "use")
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(set_attr "length" "4,4,8,4,4,8,4,4,8")
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(set_attr "type" "ffarith,ffarith,ffarith,r_2_f,r_2_f,r_2_f,f_2_r,f_2_r,f_2_r")]
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)
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;; Sign manipulation functions
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(define_insn "*abssf2_vfp"
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[(set (match_operand:SF 0 "s_register_operand" "=w")
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(abs:SF (match_operand:SF 1 "s_register_operand" "w")))]
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"TARGET_ARM && TARGET_HARD_FLOAT && TARGET_VFP"
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"fabss%?\\t%0, %1"
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[(set_attr "predicable" "yes")
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(set_attr "type" "ffarith")]
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)
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(define_insn "*absdf2_vfp"
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[(set (match_operand:DF 0 "s_register_operand" "=w")
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(abs:DF (match_operand:DF 1 "s_register_operand" "w")))]
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"TARGET_ARM && TARGET_HARD_FLOAT && TARGET_VFP"
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"fabsd%?\\t%P0, %P1"
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[(set_attr "predicable" "yes")
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(set_attr "type" "ffarith")]
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)
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(define_insn "*negsf2_vfp"
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[(set (match_operand:SF 0 "s_register_operand" "=w,?r")
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(neg:SF (match_operand:SF 1 "s_register_operand" "w,r")))]
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"TARGET_ARM && TARGET_HARD_FLOAT && TARGET_VFP"
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"@
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fnegs%?\\t%0, %1
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eor%?\\t%0, %1, #-2147483648"
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[(set_attr "predicable" "yes")
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(set_attr "type" "ffarith")]
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)
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(define_insn_and_split "*negdf2_vfp"
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[(set (match_operand:DF 0 "s_register_operand" "=w,?r,?r")
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(neg:DF (match_operand:DF 1 "s_register_operand" "w,0,r")))]
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"TARGET_ARM && TARGET_HARD_FLOAT && TARGET_VFP"
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"@
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fnegd%?\\t%P0, %P1
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#
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#"
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"TARGET_ARM && TARGET_HARD_FLOAT && TARGET_VFP && reload_completed
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&& arm_general_register_operand (operands[0], DFmode)"
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[(set (match_dup 0) (match_dup 1))]
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"
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if (REGNO (operands[0]) == REGNO (operands[1]))
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{
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operands[0] = gen_highpart (SImode, operands[0]);
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operands[1] = gen_rtx_XOR (SImode, operands[0], GEN_INT (0x80000000));
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}
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else
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{
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rtx in_hi, in_lo, out_hi, out_lo;
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in_hi = gen_rtx_XOR (SImode, gen_highpart (SImode, operands[1]),
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GEN_INT (0x80000000));
|
||
|
in_lo = gen_lowpart (SImode, operands[1]);
|
||
|
out_hi = gen_highpart (SImode, operands[0]);
|
||
|
out_lo = gen_lowpart (SImode, operands[0]);
|
||
|
|
||
|
if (REGNO (in_lo) == REGNO (out_hi))
|
||
|
{
|
||
|
emit_insn (gen_rtx_SET (SImode, out_lo, in_lo));
|
||
|
operands[0] = out_hi;
|
||
|
operands[1] = in_hi;
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
emit_insn (gen_rtx_SET (SImode, out_hi, in_hi));
|
||
|
operands[0] = out_lo;
|
||
|
operands[1] = in_lo;
|
||
|
}
|
||
|
}
|
||
|
"
|
||
|
[(set_attr "predicable" "yes")
|
||
|
(set_attr "length" "4,4,8")
|
||
|
(set_attr "type" "ffarith")]
|
||
|
)
|
||
|
|
||
|
|
||
|
;; Arithmetic insns
|
||
|
|
||
|
(define_insn "*addsf3_vfp"
|
||
|
[(set (match_operand:SF 0 "s_register_operand" "=w")
|
||
|
(plus:SF (match_operand:SF 1 "s_register_operand" "w")
|
||
|
(match_operand:SF 2 "s_register_operand" "w")))]
|
||
|
"TARGET_ARM && TARGET_HARD_FLOAT && TARGET_VFP"
|
||
|
"fadds%?\\t%0, %1, %2"
|
||
|
[(set_attr "predicable" "yes")
|
||
|
(set_attr "type" "farith")]
|
||
|
)
|
||
|
|
||
|
(define_insn "*adddf3_vfp"
|
||
|
[(set (match_operand:DF 0 "s_register_operand" "=w")
|
||
|
(plus:DF (match_operand:DF 1 "s_register_operand" "w")
|
||
|
(match_operand:DF 2 "s_register_operand" "w")))]
|
||
|
"TARGET_ARM && TARGET_HARD_FLOAT && TARGET_VFP"
|
||
|
"faddd%?\\t%P0, %P1, %P2"
|
||
|
[(set_attr "predicable" "yes")
|
||
|
(set_attr "type" "farith")]
|
||
|
)
|
||
|
|
||
|
|
||
|
(define_insn "*subsf3_vfp"
|
||
|
[(set (match_operand:SF 0 "s_register_operand" "=w")
|
||
|
(minus:SF (match_operand:SF 1 "s_register_operand" "w")
|
||
|
(match_operand:SF 2 "s_register_operand" "w")))]
|
||
|
"TARGET_ARM && TARGET_HARD_FLOAT && TARGET_VFP"
|
||
|
"fsubs%?\\t%0, %1, %2"
|
||
|
[(set_attr "predicable" "yes")
|
||
|
(set_attr "type" "farith")]
|
||
|
)
|
||
|
|
||
|
(define_insn "*subdf3_vfp"
|
||
|
[(set (match_operand:DF 0 "s_register_operand" "=w")
|
||
|
(minus:DF (match_operand:DF 1 "s_register_operand" "w")
|
||
|
(match_operand:DF 2 "s_register_operand" "w")))]
|
||
|
"TARGET_ARM && TARGET_HARD_FLOAT && TARGET_VFP"
|
||
|
"fsubd%?\\t%P0, %P1, %P2"
|
||
|
[(set_attr "predicable" "yes")
|
||
|
(set_attr "type" "farith")]
|
||
|
)
|
||
|
|
||
|
|
||
|
;; Division insns
|
||
|
|
||
|
(define_insn "*divsf3_vfp"
|
||
|
[(set (match_operand:SF 0 "s_register_operand" "+w")
|
||
|
(div:SF (match_operand:SF 1 "s_register_operand" "w")
|
||
|
(match_operand:SF 2 "s_register_operand" "w")))]
|
||
|
"TARGET_ARM && TARGET_HARD_FLOAT && TARGET_VFP"
|
||
|
"fdivs%?\\t%0, %1, %2"
|
||
|
[(set_attr "predicable" "yes")
|
||
|
(set_attr "type" "fdivs")]
|
||
|
)
|
||
|
|
||
|
(define_insn "*divdf3_vfp"
|
||
|
[(set (match_operand:DF 0 "s_register_operand" "+w")
|
||
|
(div:DF (match_operand:DF 1 "s_register_operand" "w")
|
||
|
(match_operand:DF 2 "s_register_operand" "w")))]
|
||
|
"TARGET_ARM && TARGET_HARD_FLOAT && TARGET_VFP"
|
||
|
"fdivd%?\\t%P0, %P1, %P2"
|
||
|
[(set_attr "predicable" "yes")
|
||
|
(set_attr "type" "fdivd")]
|
||
|
)
|
||
|
|
||
|
|
||
|
;; Multiplication insns
|
||
|
|
||
|
(define_insn "*mulsf3_vfp"
|
||
|
[(set (match_operand:SF 0 "s_register_operand" "+w")
|
||
|
(mult:SF (match_operand:SF 1 "s_register_operand" "w")
|
||
|
(match_operand:SF 2 "s_register_operand" "w")))]
|
||
|
"TARGET_ARM && TARGET_HARD_FLOAT && TARGET_VFP"
|
||
|
"fmuls%?\\t%0, %1, %2"
|
||
|
[(set_attr "predicable" "yes")
|
||
|
(set_attr "type" "farith")]
|
||
|
)
|
||
|
|
||
|
(define_insn "*muldf3_vfp"
|
||
|
[(set (match_operand:DF 0 "s_register_operand" "+w")
|
||
|
(mult:DF (match_operand:DF 1 "s_register_operand" "w")
|
||
|
(match_operand:DF 2 "s_register_operand" "w")))]
|
||
|
"TARGET_ARM && TARGET_HARD_FLOAT && TARGET_VFP"
|
||
|
"fmuld%?\\t%P0, %P1, %P2"
|
||
|
[(set_attr "predicable" "yes")
|
||
|
(set_attr "type" "fmul")]
|
||
|
)
|
||
|
|
||
|
|
||
|
(define_insn "*mulsf3negsf_vfp"
|
||
|
[(set (match_operand:SF 0 "s_register_operand" "+w")
|
||
|
(mult:SF (neg:SF (match_operand:SF 1 "s_register_operand" "w"))
|
||
|
(match_operand:SF 2 "s_register_operand" "w")))]
|
||
|
"TARGET_ARM && TARGET_HARD_FLOAT && TARGET_VFP"
|
||
|
"fnmuls%?\\t%0, %1, %2"
|
||
|
[(set_attr "predicable" "yes")
|
||
|
(set_attr "type" "farith")]
|
||
|
)
|
||
|
|
||
|
(define_insn "*muldf3negdf_vfp"
|
||
|
[(set (match_operand:DF 0 "s_register_operand" "+w")
|
||
|
(mult:DF (neg:DF (match_operand:DF 1 "s_register_operand" "w"))
|
||
|
(match_operand:DF 2 "s_register_operand" "w")))]
|
||
|
"TARGET_ARM && TARGET_HARD_FLOAT && TARGET_VFP"
|
||
|
"fnmuld%?\\t%P0, %P1, %P2"
|
||
|
[(set_attr "predicable" "yes")
|
||
|
(set_attr "type" "fmul")]
|
||
|
)
|
||
|
|
||
|
|
||
|
;; Multiply-accumulate insns
|
||
|
|
||
|
;; 0 = 1 * 2 + 0
|
||
|
(define_insn "*mulsf3addsf_vfp"
|
||
|
[(set (match_operand:SF 0 "s_register_operand" "=w")
|
||
|
(plus:SF (mult:SF (match_operand:SF 2 "s_register_operand" "w")
|
||
|
(match_operand:SF 3 "s_register_operand" "w"))
|
||
|
(match_operand:SF 1 "s_register_operand" "0")))]
|
||
|
"TARGET_ARM && TARGET_HARD_FLOAT && TARGET_VFP"
|
||
|
"fmacs%?\\t%0, %2, %3"
|
||
|
[(set_attr "predicable" "yes")
|
||
|
(set_attr "type" "farith")]
|
||
|
)
|
||
|
|
||
|
(define_insn "*muldf3adddf_vfp"
|
||
|
[(set (match_operand:DF 0 "s_register_operand" "=w")
|
||
|
(plus:DF (mult:DF (match_operand:DF 2 "s_register_operand" "w")
|
||
|
(match_operand:DF 3 "s_register_operand" "w"))
|
||
|
(match_operand:DF 1 "s_register_operand" "0")))]
|
||
|
"TARGET_ARM && TARGET_HARD_FLOAT && TARGET_VFP"
|
||
|
"fmacd%?\\t%P0, %P2, %P3"
|
||
|
[(set_attr "predicable" "yes")
|
||
|
(set_attr "type" "fmul")]
|
||
|
)
|
||
|
|
||
|
;; 0 = 1 * 2 - 0
|
||
|
(define_insn "*mulsf3subsf_vfp"
|
||
|
[(set (match_operand:SF 0 "s_register_operand" "=w")
|
||
|
(minus:SF (mult:SF (match_operand:SF 2 "s_register_operand" "w")
|
||
|
(match_operand:SF 3 "s_register_operand" "w"))
|
||
|
(match_operand:SF 1 "s_register_operand" "0")))]
|
||
|
"TARGET_ARM && TARGET_HARD_FLOAT && TARGET_VFP"
|
||
|
"fmscs%?\\t%0, %2, %3"
|
||
|
[(set_attr "predicable" "yes")
|
||
|
(set_attr "type" "farith")]
|
||
|
)
|
||
|
|
||
|
(define_insn "*muldf3subdf_vfp"
|
||
|
[(set (match_operand:DF 0 "s_register_operand" "=w")
|
||
|
(minus:DF (mult:DF (match_operand:DF 2 "s_register_operand" "w")
|
||
|
(match_operand:DF 3 "s_register_operand" "w"))
|
||
|
(match_operand:DF 1 "s_register_operand" "0")))]
|
||
|
"TARGET_ARM && TARGET_HARD_FLOAT && TARGET_VFP"
|
||
|
"fmscd%?\\t%P0, %P2, %P3"
|
||
|
[(set_attr "predicable" "yes")
|
||
|
(set_attr "type" "fmul")]
|
||
|
)
|
||
|
|
||
|
;; 0 = -(1 * 2) + 0
|
||
|
(define_insn "*mulsf3negsfaddsf_vfp"
|
||
|
[(set (match_operand:SF 0 "s_register_operand" "=w")
|
||
|
(minus:SF (match_operand:SF 1 "s_register_operand" "0")
|
||
|
(mult:SF (match_operand:SF 2 "s_register_operand" "w")
|
||
|
(match_operand:SF 3 "s_register_operand" "w"))))]
|
||
|
"TARGET_ARM && TARGET_HARD_FLOAT && TARGET_VFP"
|
||
|
"fnmacs%?\\t%0, %2, %3"
|
||
|
[(set_attr "predicable" "yes")
|
||
|
(set_attr "type" "farith")]
|
||
|
)
|
||
|
|
||
|
(define_insn "*fmuldf3negdfadddf_vfp"
|
||
|
[(set (match_operand:DF 0 "s_register_operand" "=w")
|
||
|
(minus:DF (match_operand:DF 1 "s_register_operand" "0")
|
||
|
(mult:DF (match_operand:DF 2 "s_register_operand" "w")
|
||
|
(match_operand:DF 3 "s_register_operand" "w"))))]
|
||
|
"TARGET_ARM && TARGET_HARD_FLOAT && TARGET_VFP"
|
||
|
"fnmacd%?\\t%P0, %P2, %P3"
|
||
|
[(set_attr "predicable" "yes")
|
||
|
(set_attr "type" "fmul")]
|
||
|
)
|
||
|
|
||
|
|
||
|
;; 0 = -(1 * 2) - 0
|
||
|
(define_insn "*mulsf3negsfsubsf_vfp"
|
||
|
[(set (match_operand:SF 0 "s_register_operand" "=w")
|
||
|
(minus:SF (mult:SF
|
||
|
(neg:SF (match_operand:SF 2 "s_register_operand" "w"))
|
||
|
(match_operand:SF 3 "s_register_operand" "w"))
|
||
|
(match_operand:SF 1 "s_register_operand" "0")))]
|
||
|
"TARGET_ARM && TARGET_HARD_FLOAT && TARGET_VFP"
|
||
|
"fnmscs%?\\t%0, %2, %3"
|
||
|
[(set_attr "predicable" "yes")
|
||
|
(set_attr "type" "farith")]
|
||
|
)
|
||
|
|
||
|
(define_insn "*muldf3negdfsubdf_vfp"
|
||
|
[(set (match_operand:DF 0 "s_register_operand" "=w")
|
||
|
(minus:DF (mult:DF
|
||
|
(neg:DF (match_operand:DF 2 "s_register_operand" "w"))
|
||
|
(match_operand:DF 3 "s_register_operand" "w"))
|
||
|
(match_operand:DF 1 "s_register_operand" "0")))]
|
||
|
"TARGET_ARM && TARGET_HARD_FLOAT && TARGET_VFP"
|
||
|
"fnmscd%?\\t%P0, %P2, %P3"
|
||
|
[(set_attr "predicable" "yes")
|
||
|
(set_attr "type" "fmul")]
|
||
|
)
|
||
|
|
||
|
|
||
|
;; Conversion routines
|
||
|
|
||
|
(define_insn "*extendsfdf2_vfp"
|
||
|
[(set (match_operand:DF 0 "s_register_operand" "=w")
|
||
|
(float_extend:DF (match_operand:SF 1 "s_register_operand" "w")))]
|
||
|
"TARGET_ARM && TARGET_HARD_FLOAT && TARGET_VFP"
|
||
|
"fcvtds%?\\t%P0, %1"
|
||
|
[(set_attr "predicable" "yes")
|
||
|
(set_attr "type" "f_cvt")]
|
||
|
)
|
||
|
|
||
|
(define_insn "*truncdfsf2_vfp"
|
||
|
[(set (match_operand:SF 0 "s_register_operand" "=w")
|
||
|
(float_truncate:SF (match_operand:DF 1 "s_register_operand" "w")))]
|
||
|
"TARGET_ARM && TARGET_HARD_FLOAT && TARGET_VFP"
|
||
|
"fcvtsd%?\\t%0, %P1"
|
||
|
[(set_attr "predicable" "yes")
|
||
|
(set_attr "type" "f_cvt")]
|
||
|
)
|
||
|
|
||
|
(define_insn "*truncsisf2_vfp"
|
||
|
[(set (match_operand:SI 0 "s_register_operand" "=w")
|
||
|
(fix:SI (fix:SF (match_operand:SF 1 "s_register_operand" "w"))))]
|
||
|
"TARGET_ARM && TARGET_HARD_FLOAT && TARGET_VFP"
|
||
|
"ftosizs%?\\t%0, %1"
|
||
|
[(set_attr "predicable" "yes")
|
||
|
(set_attr "type" "f_cvt")]
|
||
|
)
|
||
|
|
||
|
(define_insn "*truncsidf2_vfp"
|
||
|
[(set (match_operand:SI 0 "s_register_operand" "=w")
|
||
|
(fix:SI (fix:DF (match_operand:DF 1 "s_register_operand" "w"))))]
|
||
|
"TARGET_ARM && TARGET_HARD_FLOAT && TARGET_VFP"
|
||
|
"ftosizd%?\\t%0, %P1"
|
||
|
[(set_attr "predicable" "yes")
|
||
|
(set_attr "type" "f_cvt")]
|
||
|
)
|
||
|
|
||
|
|
||
|
(define_insn "fixuns_truncsfsi2"
|
||
|
[(set (match_operand:SI 0 "s_register_operand" "=w")
|
||
|
(unsigned_fix:SI (fix:SF (match_operand:SF 1 "s_register_operand" "w"))))]
|
||
|
"TARGET_ARM && TARGET_HARD_FLOAT && TARGET_VFP"
|
||
|
"ftouizs%?\\t%0, %1"
|
||
|
[(set_attr "predicable" "yes")
|
||
|
(set_attr "type" "f_cvt")]
|
||
|
)
|
||
|
|
||
|
(define_insn "fixuns_truncdfsi2"
|
||
|
[(set (match_operand:SI 0 "s_register_operand" "=w")
|
||
|
(unsigned_fix:SI (fix:DF (match_operand:DF 1 "s_register_operand" "w"))))]
|
||
|
"TARGET_ARM && TARGET_HARD_FLOAT && TARGET_VFP"
|
||
|
"ftouizd%?\\t%0, %P1"
|
||
|
[(set_attr "predicable" "yes")
|
||
|
(set_attr "type" "f_cvt")]
|
||
|
)
|
||
|
|
||
|
|
||
|
(define_insn "*floatsisf2_vfp"
|
||
|
[(set (match_operand:SF 0 "s_register_operand" "=w")
|
||
|
(float:SF (match_operand:SI 1 "s_register_operand" "w")))]
|
||
|
"TARGET_ARM && TARGET_HARD_FLOAT && TARGET_VFP"
|
||
|
"fsitos%?\\t%0, %1"
|
||
|
[(set_attr "predicable" "yes")
|
||
|
(set_attr "type" "f_cvt")]
|
||
|
)
|
||
|
|
||
|
(define_insn "*floatsidf2_vfp"
|
||
|
[(set (match_operand:DF 0 "s_register_operand" "=w")
|
||
|
(float:DF (match_operand:SI 1 "s_register_operand" "w")))]
|
||
|
"TARGET_ARM && TARGET_HARD_FLOAT && TARGET_VFP"
|
||
|
"fsitod%?\\t%P0, %1"
|
||
|
[(set_attr "predicable" "yes")
|
||
|
(set_attr "type" "f_cvt")]
|
||
|
)
|
||
|
|
||
|
|
||
|
(define_insn "floatunssisf2"
|
||
|
[(set (match_operand:SF 0 "s_register_operand" "=w")
|
||
|
(unsigned_float:SF (match_operand:SI 1 "s_register_operand" "w")))]
|
||
|
"TARGET_ARM && TARGET_HARD_FLOAT && TARGET_VFP"
|
||
|
"fuitos%?\\t%0, %1"
|
||
|
[(set_attr "predicable" "yes")
|
||
|
(set_attr "type" "f_cvt")]
|
||
|
)
|
||
|
|
||
|
(define_insn "floatunssidf2"
|
||
|
[(set (match_operand:DF 0 "s_register_operand" "=w")
|
||
|
(unsigned_float:DF (match_operand:SI 1 "s_register_operand" "w")))]
|
||
|
"TARGET_ARM && TARGET_HARD_FLOAT && TARGET_VFP"
|
||
|
"fuitod%?\\t%P0, %1"
|
||
|
[(set_attr "predicable" "yes")
|
||
|
(set_attr "type" "f_cvt")]
|
||
|
)
|
||
|
|
||
|
|
||
|
;; Sqrt insns.
|
||
|
|
||
|
(define_insn "*sqrtsf2_vfp"
|
||
|
[(set (match_operand:SF 0 "s_register_operand" "=w")
|
||
|
(sqrt:SF (match_operand:SF 1 "s_register_operand" "w")))]
|
||
|
"TARGET_ARM && TARGET_HARD_FLOAT && TARGET_VFP"
|
||
|
"fsqrts%?\\t%0, %1"
|
||
|
[(set_attr "predicable" "yes")
|
||
|
(set_attr "type" "fdivs")]
|
||
|
)
|
||
|
|
||
|
(define_insn "*sqrtdf2_vfp"
|
||
|
[(set (match_operand:DF 0 "s_register_operand" "=w")
|
||
|
(sqrt:DF (match_operand:DF 1 "s_register_operand" "w")))]
|
||
|
"TARGET_ARM && TARGET_HARD_FLOAT && TARGET_VFP"
|
||
|
"fsqrtd%?\\t%P0, %P1"
|
||
|
[(set_attr "predicable" "yes")
|
||
|
(set_attr "type" "fdivd")]
|
||
|
)
|
||
|
|
||
|
|
||
|
;; Patterns to split/copy vfp condition flags.
|
||
|
|
||
|
(define_insn "*movcc_vfp"
|
||
|
[(set (reg CC_REGNUM)
|
||
|
(reg VFPCC_REGNUM))]
|
||
|
"TARGET_ARM && TARGET_HARD_FLOAT && TARGET_VFP"
|
||
|
"fmstat%?"
|
||
|
[(set_attr "conds" "set")
|
||
|
(set_attr "type" "f_flag")]
|
||
|
)
|
||
|
|
||
|
(define_insn_and_split "*cmpsf_split_vfp"
|
||
|
[(set (reg:CCFP CC_REGNUM)
|
||
|
(compare:CCFP (match_operand:SF 0 "s_register_operand" "w")
|
||
|
(match_operand:SF 1 "vfp_compare_operand" "wG")))]
|
||
|
"TARGET_ARM && TARGET_HARD_FLOAT && TARGET_VFP"
|
||
|
"#"
|
||
|
"TARGET_ARM && TARGET_HARD_FLOAT && TARGET_VFP"
|
||
|
[(set (reg:CCFP VFPCC_REGNUM)
|
||
|
(compare:CCFP (match_dup 0)
|
||
|
(match_dup 1)))
|
||
|
(set (reg:CCFP CC_REGNUM)
|
||
|
(reg:CCFP VFPCC_REGNUM))]
|
||
|
""
|
||
|
)
|
||
|
|
||
|
(define_insn_and_split "*cmpsf_trap_split_vfp"
|
||
|
[(set (reg:CCFPE CC_REGNUM)
|
||
|
(compare:CCFPE (match_operand:SF 0 "s_register_operand" "w")
|
||
|
(match_operand:SF 1 "vfp_compare_operand" "wG")))]
|
||
|
"TARGET_ARM && TARGET_HARD_FLOAT && TARGET_VFP"
|
||
|
"#"
|
||
|
"TARGET_ARM && TARGET_HARD_FLOAT && TARGET_VFP"
|
||
|
[(set (reg:CCFPE VFPCC_REGNUM)
|
||
|
(compare:CCFPE (match_dup 0)
|
||
|
(match_dup 1)))
|
||
|
(set (reg:CCFPE CC_REGNUM)
|
||
|
(reg:CCFPE VFPCC_REGNUM))]
|
||
|
""
|
||
|
)
|
||
|
|
||
|
(define_insn_and_split "*cmpdf_split_vfp"
|
||
|
[(set (reg:CCFP CC_REGNUM)
|
||
|
(compare:CCFP (match_operand:DF 0 "s_register_operand" "w")
|
||
|
(match_operand:DF 1 "vfp_compare_operand" "wG")))]
|
||
|
"TARGET_ARM && TARGET_HARD_FLOAT && TARGET_VFP"
|
||
|
"#"
|
||
|
"TARGET_ARM && TARGET_HARD_FLOAT && TARGET_VFP"
|
||
|
[(set (reg:CCFP VFPCC_REGNUM)
|
||
|
(compare:CCFP (match_dup 0)
|
||
|
(match_dup 1)))
|
||
|
(set (reg:CCFP CC_REGNUM)
|
||
|
(reg:CCFPE VFPCC_REGNUM))]
|
||
|
""
|
||
|
)
|
||
|
|
||
|
(define_insn_and_split "*cmpdf_trap_split_vfp"
|
||
|
[(set (reg:CCFPE CC_REGNUM)
|
||
|
(compare:CCFPE (match_operand:DF 0 "s_register_operand" "w")
|
||
|
(match_operand:DF 1 "vfp_compare_operand" "wG")))]
|
||
|
"TARGET_ARM && TARGET_HARD_FLOAT && TARGET_VFP"
|
||
|
"#"
|
||
|
"TARGET_ARM && TARGET_HARD_FLOAT && TARGET_VFP"
|
||
|
[(set (reg:CCFPE VFPCC_REGNUM)
|
||
|
(compare:CCFPE (match_dup 0)
|
||
|
(match_dup 1)))
|
||
|
(set (reg:CCFPE CC_REGNUM)
|
||
|
(reg:CCFPE VFPCC_REGNUM))]
|
||
|
""
|
||
|
)
|
||
|
|
||
|
|
||
|
;; Comparison patterns
|
||
|
|
||
|
(define_insn "*cmpsf_vfp"
|
||
|
[(set (reg:CCFP VFPCC_REGNUM)
|
||
|
(compare:CCFP (match_operand:SF 0 "s_register_operand" "w,w")
|
||
|
(match_operand:SF 1 "vfp_compare_operand" "w,G")))]
|
||
|
"TARGET_ARM && TARGET_HARD_FLOAT && TARGET_VFP"
|
||
|
"@
|
||
|
fcmps%?\\t%0, %1
|
||
|
fcmpzs%?\\t%0"
|
||
|
[(set_attr "predicable" "yes")
|
||
|
(set_attr "type" "ffarith")]
|
||
|
)
|
||
|
|
||
|
(define_insn "*cmpsf_trap_vfp"
|
||
|
[(set (reg:CCFPE VFPCC_REGNUM)
|
||
|
(compare:CCFPE (match_operand:SF 0 "s_register_operand" "w,w")
|
||
|
(match_operand:SF 1 "vfp_compare_operand" "w,G")))]
|
||
|
"TARGET_ARM && TARGET_HARD_FLOAT && TARGET_VFP"
|
||
|
"@
|
||
|
fcmpes%?\\t%0, %1
|
||
|
fcmpezs%?\\t%0"
|
||
|
[(set_attr "predicable" "yes")
|
||
|
(set_attr "type" "ffarith")]
|
||
|
)
|
||
|
|
||
|
(define_insn "*cmpdf_vfp"
|
||
|
[(set (reg:CCFP VFPCC_REGNUM)
|
||
|
(compare:CCFP (match_operand:DF 0 "s_register_operand" "w,w")
|
||
|
(match_operand:DF 1 "vfp_compare_operand" "w,G")))]
|
||
|
"TARGET_ARM && TARGET_HARD_FLOAT && TARGET_VFP"
|
||
|
"@
|
||
|
fcmpd%?\\t%P0, %P1
|
||
|
fcmpzd%?\\t%P0"
|
||
|
[(set_attr "predicable" "yes")
|
||
|
(set_attr "type" "ffarith")]
|
||
|
)
|
||
|
|
||
|
(define_insn "*cmpdf_trap_vfp"
|
||
|
[(set (reg:CCFPE VFPCC_REGNUM)
|
||
|
(compare:CCFPE (match_operand:DF 0 "s_register_operand" "w,w")
|
||
|
(match_operand:DF 1 "vfp_compare_operand" "w,G")))]
|
||
|
"TARGET_ARM && TARGET_HARD_FLOAT && TARGET_VFP"
|
||
|
"@
|
||
|
fcmped%?\\t%P0, %P1
|
||
|
fcmpezd%?\\t%P0"
|
||
|
[(set_attr "predicable" "yes")
|
||
|
(set_attr "type" "ffarith")]
|
||
|
)
|
||
|
|
||
|
|
||
|
;; Store multiple insn used in function prologue.
|
||
|
|
||
|
(define_insn "*push_multi_vfp"
|
||
|
[(match_parallel 2 "multi_register_push"
|
||
|
[(set (match_operand:BLK 0 "memory_operand" "=m")
|
||
|
(unspec:BLK [(match_operand:DF 1 "s_register_operand" "w")]
|
||
|
UNSPEC_PUSH_MULT))])]
|
||
|
"TARGET_ARM && TARGET_HARD_FLOAT && TARGET_VFP"
|
||
|
"* return vfp_output_fstmx (operands);"
|
||
|
[(set_attr "type" "f_stored")]
|
||
|
)
|
||
|
|
||
|
|
||
|
;; Unimplemented insns:
|
||
|
;; fldm*
|
||
|
;; fstm*
|
||
|
;; fmdhr et al (VFPv1)
|
||
|
;; Support for xD (single precision only) variants.
|
||
|
;; fmrrs, fmsrr
|