;;- Machine description for Blackfin for GNU compiler ;; Copyright 2005, 2006 Free Software Foundation, Inc. ;; Contributed by Analog Devices.
;; 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 2, 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 COPYING. If not, write to ;; the Free Software Foundation, 51 Franklin Street, Fifth Floor, ;; Boston, MA 02110-1301, USA.
; operand punctuation marks: ; ; X -- integer value printed as log2 ; Y -- integer value printed as log2(~value) - for bitclear ; h -- print half word register, low part ; d -- print half word register, high part ; D -- print operand as dregs pairs ; w -- print operand as accumulator register word (a0w, a1w) ; H -- high part of double mode operand ; T -- byte register representation Oct. 02 2001
; constant operand classes ; ; J 2**N 5bit imm scaled ; Ks7 -64 .. 63 signed 7bit imm ; Ku5 0..31 unsigned 5bit imm ; Ks4 -8 .. 7 signed 4bit imm ; Ks3 -4 .. 3 signed 3bit imm ; Ku3 0 .. 7 unsigned 3bit imm ; Pn 0, 1, 2 constants 0, 1 or 2, corresponding to n ; ; register operands ; d (r0..r7) ; a (p0..p5,fp,sp) ; e (a0, a1) ; b (i0..i3) ; f (m0..m3) ; v (b0..b3) ; c (i0..i3,m0..m3) CIRCREGS ; C (CC) CCREGS ; t (lt0,lt1) ; k (lc0,lc1) ; u (lb0,lb1) ;
;; Define constants for hard registers.
(define_constants [(REG_R0 0) (REG_R1 1) (REG_R2 2) (REG_R3 3) (REG_R4 4) (REG_R5 5) (REG_R6 6) (REG_R7 7)
(REG_P0 8) (REG_P1 9) (REG_P2 10) (REG_P3 11) (REG_P4 12) (REG_P5 13) (REG_P6 14) (REG_P7 15)
(REG_SP 14) (REG_FP 15)
(REG_I0 16) (REG_I1 17) (REG_I2 18) (REG_I3 19)
(REG_B0 20) (REG_B1 21) (REG_B2 22) (REG_B3 23)
(REG_L0 24) (REG_L1 25) (REG_L2 26) (REG_L3 27)
(REG_M0 28) (REG_M1 29) (REG_M2 30) (REG_M3 31)
(REG_A0 32) (REG_A1 33)
(REG_CC 34) (REG_RETS 35) (REG_RETI 36) (REG_RETX 37) (REG_RETN 38) (REG_RETE 39)
(REG_ASTAT 40) (REG_SEQSTAT 41) (REG_USP 42)
(REG_ARGP 43)
(REG_LT0 44) (REG_LT1 45) (REG_LC0 46) (REG_LC1 47) (REG_LB0 48) (REG_LB1 49)])
;; Constants used in UNSPECs and UNSPEC_VOLATILEs.
(define_constants [(UNSPEC_CBRANCH_TAKEN 0) (UNSPEC_CBRANCH_NOPS 1) (UNSPEC_RETURN 2) (UNSPEC_MOVE_PIC 3) (UNSPEC_LIBRARY_OFFSET 4) (UNSPEC_PUSH_MULTIPLE 5) ;; Multiply or MAC with extra CONST_INT operand specifying the macflag (UNSPEC_MUL_WITH_FLAG 6) (UNSPEC_MAC_WITH_FLAG 7) (UNSPEC_MOVE_FDPIC 8) (UNSPEC_FUNCDESC_GOT17M4 9) (UNSPEC_LSETUP_END 10)])
(define_constants [(UNSPEC_VOLATILE_EH_RETURN 0) (UNSPEC_VOLATILE_CSYNC 1) (UNSPEC_VOLATILE_SSYNC 2) (UNSPEC_VOLATILE_LOAD_FUNCDESC 3)])
(define_constants [(MACFLAG_NONE 0) (MACFLAG_T 1) (MACFLAG_FU 2) (MACFLAG_TFU 3) (MACFLAG_IS 4) (MACFLAG_IU 5) (MACFLAG_W32 6) (MACFLAG_M 7) (MACFLAG_S2RND 8) (MACFLAG_ISS2 9) (MACFLAG_IH 10)])
(define_attr “type” “move,mvi,mcld,mcst,dsp32,mult,alu0,shft,brcc,br,call,misc,sync,compare,dummy” (const_string “misc”))
;; Scheduling definitions
(define_automaton “bfin”)
(define_cpu_unit “core” “bfin”)
(define_insn_reservation “alu” 1 (eq_attr “type” “move,mvi,mcst,dsp32,alu0,shft,brcc,br,call,misc,sync,compare”) “core”)
(define_insn_reservation “imul” 3 (eq_attr “type” “mult”) “core*3”)
(define_insn_reservation “load” 1 (eq_attr “type” “mcld”) “core”)
;; Make sure genautomata knows about the maximum latency that can be produced ;; by the adjust_cost function. (define_insn_reservation “dummy” 5 (eq_attr “type” “mcld”) “core”) ;; Operand and operator predicates
(include “predicates.md”)
;;; FRIO branches have been optimized for code density ;;; this comes at a slight cost of complexity when ;;; a compiler needs to generate branches in the general ;;; case. In order to generate the correct branching ;;; mechanisms the compiler needs keep track of instruction ;;; lengths. The follow table describes how to count instructions ;;; for the FRIO architecture. ;;; ;;; unconditional br are 12-bit imm pcrelative branches *2 ;;; conditional br are 10-bit imm pcrelative branches *2 ;;; brcc 10-bit: ;;; 1024 10-bit imm *2 is 2048 (-1024..1022) ;;; br 12-bit : ;;; 4096 12-bit imm *2 is 8192 (-4096..4094) ;;; NOTE : For brcc we generate instructions such as ;;; if cc jmp; jump.[sl] offset ;;; offset of jump.[sl] is from the jump instruction but ;;; gcc calculates length from the if cc jmp instruction ;;; furthermore gcc takes the end address of the branch instruction ;;; as (pc) for a forward branch ;;; hence our range is (-4094, 4092) instead of (-4096, 4094) for a br ;;; ;;; The way the (pc) rtx works in these calculations is somewhat odd; ;;; for backward branches it‘s the address of the current instruction, ;;; for forward branches it’s the previously known address of the following ;;; instruction - we have to take this into account by reducing the range ;;; for a forward branch.
;; Lengths for type “mvi” insns are always defined by the instructions ;; themselves. (define_attr “length” "" (cond [(eq_attr “type” “mcld”) (if_then_else (match_operand 1 “effective_address_32bit_p” "") (const_int 4) (const_int 2))
(eq_attr "type" "mcst")
(if_then_else (match_operand 0 "effective_address_32bit_p" "")
(const_int 4) (const_int 2))
(eq_attr "type" "move") (const_int 2)
(eq_attr "type" "dsp32") (const_int 4)
(eq_attr "type" "call") (const_int 4)
(eq_attr "type" "br")
(if_then_else (and
(le (minus (match_dup 0) (pc)) (const_int 4092))
(ge (minus (match_dup 0) (pc)) (const_int -4096)))
(const_int 2)
(const_int 4))
(eq_attr "type" "brcc")
(cond [(and
(le (minus (match_dup 3) (pc)) (const_int 1020))
(ge (minus (match_dup 3) (pc)) (const_int -1024)))
(const_int 2)
(and
(le (minus (match_dup 3) (pc)) (const_int 4092))
(ge (minus (match_dup 3) (pc)) (const_int -4094)))
(const_int 4)]
(const_int 6))
]
(const_int 2)))
;; Classify the insns into those that are one instruction and those that ;; are more than one in sequence. (define_attr “seq_insns” “single,multi” (const_string “single”))
;; Conditional moves
(define_expand “movsicc” [(set (match_operand:SI 0 “register_operand” "") (if_then_else:SI (match_operand 1 “comparison_operator” "") (match_operand:SI 2 “register_operand” "") (match_operand:SI 3 “register_operand” "")))] "" { operands[1] = bfin_gen_compare (operands[1], SImode); })
(define_insn “*movsicc_insn1” [(set (match_operand:SI 0 “register_operand” “=da,da,da”) (if_then_else:SI (eq:BI (match_operand:BI 3 “register_operand” “C,C,C”) (const_int 0)) (match_operand:SI 1 “register_operand” “da,0,da”) (match_operand:SI 2 “register_operand” “0,da,da”)))] "" “@ if !cc %0 =%1; /* movsicc-1a / if cc %0 =%2; / movsicc-1b / if !cc %0 =%1; if cc %0=%2; / movsicc-1 */” [(set_attr “length” “2,2,4”) (set_attr “type” “move”) (set_attr “seq_insns” “,,multi”)])
(define_insn “*movsicc_insn2” [(set (match_operand:SI 0 “register_operand” “=da,da,da”) (if_then_else:SI (ne:BI (match_operand:BI 3 “register_operand” “C,C,C”) (const_int 0)) (match_operand:SI 1 “register_operand” “0,da,da”) (match_operand:SI 2 “register_operand” “da,0,da”)))] "" “@ if !cc %0 =%2; /* movsicc-2b / if cc %0 =%1; / movsicc-2a / if cc %0 =%1; if !cc %0=%2; / movsicc-1 */” [(set_attr “length” “2,2,4”) (set_attr “type” “move”) (set_attr “seq_insns” “,,multi”)])
;; Insns to load HIGH and LO_SUM
(define_insn “movsi_high” [(set (match_operand:SI 0 “register_operand” “=x”) (high:SI (match_operand:SI 1 “immediate_operand” “i”)))] “reload_completed” “%d0 = %d1;” [(set_attr “type” “mvi”) (set_attr “length” “4”)])
(define_insn “movstricthi_high” [(set (match_operand:SI 0 “register_operand” “+x”) (ior:SI (and:SI (match_dup 0) (const_int 65535)) (match_operand:SI 1 “immediate_operand” “i”)))] “reload_completed” “%d0 = %d1;” [(set_attr “type” “mvi”) (set_attr “length” “4”)])
(define_insn “movsi_low” [(set (match_operand:SI 0 “register_operand” “=x”) (lo_sum:SI (match_operand:SI 1 “register_operand” “0”) (match_operand:SI 2 “immediate_operand” “i”)))] “reload_completed” “%h0 = %h2;” [(set_attr “type” “mvi”) (set_attr “length” “4”)])
(define_insn “movsi_high_pic” [(set (match_operand:SI 0 “register_operand” “=x”) (high:SI (unspec:SI [(match_operand:SI 1 "" "")] UNSPEC_MOVE_PIC)))] "" “%d0 = %1@GOT_LOW;” [(set_attr “type” “mvi”) (set_attr “length” “4”)])
(define_insn “movsi_low_pic” [(set (match_operand:SI 0 “register_operand” “=x”) (lo_sum:SI (match_operand:SI 1 “register_operand” “0”) (unspec:SI [(match_operand:SI 2 "" "")] UNSPEC_MOVE_PIC)))] "" “%h0 = %h2@GOT_HIGH;” [(set_attr “type” “mvi”) (set_attr “length” “4”)])
;;; Move instructions
(define_insn_and_split “movdi_insn” [(set (match_operand:DI 0 “nonimmediate_operand” “=x,mx,r”) (match_operand:DI 1 “general_operand” “iFx,r,mx”))] “GET_CODE (operands[0]) != MEM || GET_CODE (operands[1]) != MEM” “#” “reload_completed” [(set (match_dup 2) (match_dup 3)) (set (match_dup 4) (match_dup 5))] { rtx lo_half[2], hi_half[2]; split_di (operands, 2, lo_half, hi_half);
if (reg_overlap_mentioned_p (lo_half[0], hi_half[1])) { operands[2] = hi_half[0]; operands[3] = hi_half[1]; operands[4] = lo_half[0]; operands[5] = lo_half[1]; } else { operands[2] = lo_half[0]; operands[3] = lo_half[1]; operands[4] = hi_half[0]; operands[5] = hi_half[1]; } })
(define_insn “movbi” [(set (match_operand:BI 0 “nonimmediate_operand” “=x,x,d,md,C,d,C”) (match_operand:BI 1 “general_operand” “x,xKs3,md,d,d,C,P0”))]
"" “@ %0 = %1; %0 = %1 (X); %0 = B %1 (Z); B %0 = %1; CC = %1; %0 = CC; R0 = R0 | R0; CC = AC0;” [(set_attr “type” “move,mvi,mcld,mcst,compare,compare,alu0”) (set_attr “length” “2,2,,,2,2,4”) (set_attr “seq_insns” “,,,,,,multi”)])
(define_insn “movpdi” [(set (match_operand:PDI 0 “nonimmediate_operand” “=e,<,e”) (match_operand:PDI 1 “general_operand” " e,e,>"))] "" “@ %0 = %1; %0 = %x1; %0 = %w1; %w0 = %1; %x0 = %1;” [(set_attr “type” “move,mcst,mcld”) (set_attr “seq_insns” “*,multi,multi”)])
(define_insn “load_accumulator” [(set (match_operand:PDI 0 “register_operand” “=e”) (sign_extend:PDI (match_operand:SI 1 “register_operand” “d”)))] "" “%0 = %1;” [(set_attr “type” “move”)])
(define_insn_and_split “load_accumulator_pair” [(set (match_operand:V2PDI 0 “register_operand” “=e”) (sign_extend:V2PDI (vec_concat:V2SI (match_operand:SI 1 “register_operand” “d”) (match_operand:SI 2 “register_operand” “d”))))] "" “#” “reload_completed” [(set (match_dup 3) (sign_extend:PDI (match_dup 1))) (set (match_dup 4) (sign_extend:PDI (match_dup 2)))] { operands[3] = gen_rtx_REG (PDImode, REGNO (operands[0])); operands[4] = gen_rtx_REG (PDImode, REGNO (operands[0]) + 1); })
(define_insn “*pushsi_insn” [(set (mem:SI (pre_dec:SI (reg:SI REG_SP))) (match_operand:SI 0 “register_operand” “xy”))] "" “[--SP] = %0;” [(set_attr “type” “mcst”) (set_attr “length” “2”)])
(define_insn “*popsi_insn” [(set (match_operand:SI 0 “register_operand” “=xy”) (mem:SI (post_inc:SI (reg:SI REG_SP))))] "" “%0 = [SP++];” [(set_attr “type” “mcld”) (set_attr “length” “2”)])
;; The first alternative is used to make reload choose a limited register ;; class when faced with a movsi_insn that had its input operand replaced ;; with a PLUS. We generally require fewer secondary reloads this way.
(define_insn “*movsi_insn” [(set (match_operand:SI 0 “nonimmediate_operand” “=da,x*y,*k,da,da,x,x,x,da,mr”) (match_operand:SI 1 “general_operand” “da,x*y,da,*k,xKs7,xKsh,xKuh,ix,mr,da”))] “GET_CODE (operands[0]) != MEM || GET_CODE (operands[1]) != MEM” "@ %0 = %1; %0 = %1; %0 = %1; %0 = %1; %0 = %1 (X); %0 = %1 (X); %0 = %1 (Z);
%0 = %1; %0 = %1;" [(set_attr “type” “move,move,move,move,mvi,mvi,mvi,*,mcld,mcst”) (set_attr “length” “2,2,2,2,2,4,4,,,*”)])
(define_insn_and_split “*movv2hi_insn” [(set (match_operand:V2HI 0 “nonimmediate_operand” “=da,da,d,dm”) (match_operand:V2HI 1 “general_operand” “i,di,md,d”))]
“GET_CODE (operands[0]) != MEM || GET_CODE (operands[1]) != MEM” "@
%0 = %1; %0 = %1; %0 = %1;" “reload_completed && GET_CODE (operands[1]) == CONST_VECTOR” [(set (match_dup 0) (high:SI (match_dup 2))) (set (match_dup 0) (lo_sum:SI (match_dup 0) (match_dup 3)))] { HOST_WIDE_INT intval = INTVAL (XVECEXP (operands[1], 0, 1)) << 16; intval |= INTVAL (XVECEXP (operands[1], 0, 0)) & 0xFFFF;
operands[0] = gen_rtx_REG (SImode, REGNO (operands[0])); operands[2] = operands[3] = GEN_INT (trunc_int_for_mode (intval, SImode)); } [(set_attr “type” “move,move,mcld,mcst”) (set_attr “length” “2,2,,”)])
(define_insn “*movhi_insn” [(set (match_operand:HI 0 “nonimmediate_operand” “=x,da,x,d,mr”) (match_operand:HI 1 “general_operand” “x,xKs7,xKsh,mr,d”))] “GET_CODE (operands[0]) != MEM || GET_CODE (operands[1]) != MEM” { static const char templates[] = { “%0 = %1;”, “%0 = %1 (X);”, “%0 = %1 (X);”, “%0 = W %1 (X);”, “W %0 = %1;”, “%h0 = W %1;”, “W %0 = %h1;” }; int alt = which_alternative; rtx mem = (MEM_P (operands[0]) ? operands[0] : MEM_P (operands[1]) ? operands[1] : NULL_RTX); if (mem && bfin_dsp_memref_p (mem)) alt += 2; return templates[alt]; } [(set_attr “type” “move,mvi,mvi,mcld,mcst”) (set_attr “length” "2,2,4,,*")])
(define_insn “*movqi_insn” [(set (match_operand:QI 0 “nonimmediate_operand” “=x,da,x,d,mr”) (match_operand:QI 1 “general_operand” “x,xKs7,xKsh,mr,d”))] “GET_CODE (operands[0]) != MEM || GET_CODE (operands[1]) != MEM” “@ %0 = %1; %0 = %1 (X); %0 = %1 (X); %0 = B %1 (X); B %0 = %1;” [(set_attr “type” “move,mvi,mvi,mcld,mcst”) (set_attr “length” “2,2,4,,”)])
(define_insn “*movsf_insn” [(set (match_operand:SF 0 “nonimmediate_operand” “=x,x,da,mr”) (match_operand:SF 1 “general_operand” “x,Fx,mr,da”))] “GET_CODE (operands[0]) != MEM || GET_CODE (operands[1]) != MEM” "@ %0 = %1;
%0 = %1; %0 = %1;" [(set_attr “type” “move,*,mcld,mcst”)])
(define_insn_and_split “movdf_insn” [(set (match_operand:DF 0 “nonimmediate_operand” “=x,mx,r”) (match_operand:DF 1 “general_operand” “iFx,r,mx”))] “GET_CODE (operands[0]) != MEM || GET_CODE (operands[1]) != MEM” “#” “reload_completed” [(set (match_dup 2) (match_dup 3)) (set (match_dup 4) (match_dup 5))] { rtx lo_half[2], hi_half[2]; split_di (operands, 2, lo_half, hi_half);
if (reg_overlap_mentioned_p (lo_half[0], hi_half[1])) { operands[2] = hi_half[0]; operands[3] = hi_half[1]; operands[4] = lo_half[0]; operands[5] = lo_half[1]; } else { operands[2] = lo_half[0]; operands[3] = lo_half[1]; operands[4] = hi_half[0]; operands[5] = hi_half[1]; } })
;; Storing halfwords. (define_insn “*movsi_insv” [(set (zero_extract:SI (match_operand 0 “register_operand” “+d,x”) (const_int 16) (const_int 16)) (match_operand:SI 1 “nonmemory_operand” “d,n”))] "" “@ %d0 = %h1 << 0; %d0 = %1;” [(set_attr “type” “dsp32,mvi”)])
(define_expand “insv” [(set (zero_extract:SI (match_operand:SI 0 “register_operand” "") (match_operand:SI 1 “immediate_operand” "") (match_operand:SI 2 “immediate_operand” "")) (match_operand:SI 3 “nonmemory_operand” ""))] "" { if (INTVAL (operands[1]) != 16 || INTVAL (operands[2]) != 16) FAIL;
/* From mips.md: insert_bit_field doesn't verify that our source matches the predicate, so check it again here. */ if (! register_operand (operands[0], VOIDmode)) FAIL; })
;; This is the main “hook” for PIC code. When generating ;; PIC, movsi is responsible for determining when the source address ;; needs PIC relocation and appropriately calling legitimize_pic_address ;; to perform the actual relocation.
(define_expand “movsi” [(set (match_operand:SI 0 “nonimmediate_operand” "") (match_operand:SI 1 “general_operand” ""))] "" “expand_move (operands, SImode);”)
(define_expand “movv2hi” [(set (match_operand:V2HI 0 “nonimmediate_operand” "") (match_operand:V2HI 1 “general_operand” ""))] "" “expand_move (operands, V2HImode);”)
(define_expand “movdi” [(set (match_operand:DI 0 “nonimmediate_operand” "") (match_operand:DI 1 “general_operand” ""))] "" “expand_move (operands, DImode);”)
(define_expand “movsf” [(set (match_operand:SF 0 “nonimmediate_operand” "") (match_operand:SF 1 “general_operand” ""))] "" “expand_move (operands, SFmode);”)
(define_expand “movdf” [(set (match_operand:DF 0 “nonimmediate_operand” "") (match_operand:DF 1 “general_operand” ""))] "" “expand_move (operands, DFmode);”)
(define_expand “movhi” [(set (match_operand:HI 0 “nonimmediate_operand” "") (match_operand:HI 1 “general_operand” ""))] "" “expand_move (operands, HImode);”)
(define_expand “movqi” [(set (match_operand:QI 0 “nonimmediate_operand” "") (match_operand:QI 1 “general_operand” ""))] "" " expand_move (operands, QImode); ")
;; Some define_splits to break up SI/SFmode loads of immediate constants.
(define_split [(set (match_operand:SI 0 “register_operand” "") (match_operand:SI 1 “symbolic_or_const_operand” ""))] “reload_completed /* Always split symbolic operands; split integer constants that are too large for a single instruction. */ && (GET_CODE (operands[1]) != CONST_INT || (INTVAL (operands[1]) < -32768 || INTVAL (operands[1]) >= 65536 || (INTVAL (operands[1]) >= 32768 && PREG_P (operands[0]))))” [(set (match_dup 0) (high:SI (match_dup 1))) (set (match_dup 0) (lo_sum:SI (match_dup 0) (match_dup 1)))] { if (GET_CODE (operands[1]) == CONST_INT && split_load_immediate (operands)) DONE; /* ??? Do something about TARGET_LOW_64K. */ })
(define_split [(set (match_operand:SF 0 “register_operand” "") (match_operand:SF 1 “immediate_operand” ""))] “reload_completed” [(set (match_dup 2) (high:SI (match_dup 3))) (set (match_dup 2) (lo_sum:SI (match_dup 2) (match_dup 3)))] { long values; REAL_VALUE_TYPE value;
gcc_assert (GET_CODE (operands[1]) == CONST_DOUBLE);
REAL_VALUE_FROM_CONST_DOUBLE (value, operands[1]); REAL_VALUE_TO_TARGET_SINGLE (value, values);
operands[2] = gen_rtx_REG (SImode, true_regnum (operands[0])); operands[3] = GEN_INT (trunc_int_for_mode (values, SImode)); if (values >= -32768 && values < 65536) { emit_move_insn (operands[2], operands[3]); DONE; } if (split_load_immediate (operands + 2)) DONE; })
;; Sadly, this can‘t be a proper named movstrict pattern, since the compiler ;; expects to be able to use registers for operand 1. ;; Note that the asm instruction is defined by the manual to take an unsigned ;; constant, but it doesn’t matter to the assembler, and the compiler only ;; deals with sign-extended constants. Hence “Ksh”. (define_insn “movstricthi_1” [(set (strict_low_part (match_operand:HI 0 “register_operand” “+x”)) (match_operand:HI 1 “immediate_operand” “Ksh”))] "" “%h0 = %1;” [(set_attr “type” “mvi”) (set_attr “length” “4”)])
;; Sign and zero extensions
(define_insn_and_split “extendhisi2” [(set (match_operand:SI 0 “register_operand” “=d, d”) (sign_extend:SI (match_operand:HI 1 “nonimmediate_operand” “d, m”)))] "" “@ %0 = %h1 (X); %0 = W %h1 (X);” “reload_completed && bfin_dsp_memref_p (operands[1])” [(set (match_dup 2) (match_dup 1)) (set (match_dup 0) (sign_extend:SI (match_dup 2)))] { operands[2] = gen_lowpart (HImode, operands[0]); } [(set_attr “type” “alu0,mcld”)])
(define_insn_and_split “zero_extendhisi2” [(set (match_operand:SI 0 “register_operand” “=d, d”) (zero_extend:SI (match_operand:HI 1 “nonimmediate_operand” “d, m”)))] "" “@ %0 = %h1 (Z); %0 = W %h1 (Z);” “reload_completed && bfin_dsp_memref_p (operands[1])” [(set (match_dup 2) (match_dup 1)) (set (match_dup 0) (zero_extend:SI (match_dup 2)))] { operands[2] = gen_lowpart (HImode, operands[0]); } [(set_attr “type” “alu0,mcld”)])
(define_insn “zero_extendbisi2” [(set (match_operand:SI 0 “register_operand” “=d”) (zero_extend:SI (match_operand:BI 1 “nonimmediate_operand” “C”)))] "" “%0 = %1;” [(set_attr “type” “compare”)])
(define_insn “extendqihi2” [(set (match_operand:HI 0 “register_operand” “=d, d”) (sign_extend:HI (match_operand:QI 1 “nonimmediate_operand” “m, d”)))] "" “@ %0 = B %1 (X); %0 = %T1 (X);” [(set_attr “type” “mcld,alu0”)])
(define_insn “extendqisi2” [(set (match_operand:SI 0 “register_operand” “=d, d”) (sign_extend:SI (match_operand:QI 1 “nonimmediate_operand” “m, d”)))] "" “@ %0 = B %1 (X); %0 = %T1 (X);” [(set_attr “type” “mcld,alu0”)])
(define_insn “zero_extendqihi2” [(set (match_operand:HI 0 “register_operand” “=d, d”) (zero_extend:HI (match_operand:QI 1 “nonimmediate_operand” “m, d”)))] "" “@ %0 = B %1 (Z); %0 = %T1 (Z);” [(set_attr “type” “mcld,alu0”)])
(define_insn “zero_extendqisi2” [(set (match_operand:SI 0 “register_operand” “=d, d”) (zero_extend:SI (match_operand:QI 1 “nonimmediate_operand” “m, d”)))] "" “@ %0 = B %1 (Z); %0 = %T1 (Z);” [(set_attr “type” “mcld,alu0”)])
;; DImode logical operations
(define_code_macro any_logical [and ior xor]) (define_code_attr optab [(and “and”) (ior “ior”) (xor “xor”)]) (define_code_attr op [(and “&”) (ior “|”) (xor “^”)]) (define_code_attr high_result [(and “0”) (ior “%H1”) (xor “%H1”)])
(define_insn “di3” [(set (match_operand:DI 0 “register_operand” “=d”) (any_logical:DI (match_operand:DI 1 “register_operand” “0”) (match_operand:DI 2 “register_operand” “d”)))] "" “%0 = %1 %2;\n\t%H0 = %H1 %H2;” [(set_attr “length” “4”) (set_attr “seq_insns” “multi”)])
(define_insn “*di_zesidi_di” [(set (match_operand:DI 0 “register_operand” “=d”) (any_logical:DI (zero_extend:DI (match_operand:SI 2 “register_operand” “d”)) (match_operand:DI 1 “register_operand” “d”)))] "" “%0 = %1 %2;\n\t%H0 = <high_result>;” [(set_attr “length” “4”) (set_attr “seq_insns” “multi”)])
(define_insn “*di_sesdi_di” [(set (match_operand:DI 0 “register_operand” “=d”) (any_logical:DI (sign_extend:DI (match_operand:SI 2 “register_operand” “d”)) (match_operand:DI 1 “register_operand” “0”))) (clobber (match_scratch:SI 3 “=&d”))] "" “%0 = %1 %2;\n\t%3 = %2;\n\t%3 >>>= 31;\n\t%H0 = %H1 %3;” [(set_attr “length” “8”) (set_attr “seq_insns” “multi”)])
(define_insn “negdi2” [(set (match_operand:DI 0 “register_operand” “=d”) (neg:DI (match_operand:DI 1 “register_operand” “d”))) (clobber (match_scratch:SI 2 “=&d”)) (clobber (reg:CC REG_CC))] "" “%2 = 0; %2 = %2 - %1; cc = ac0; cc = !cc; %2 = cc;\n\t%0 = -%1; %H0 = -%H1; %H0 = %H0 - %2;” [(set_attr “length” “16”) (set_attr “seq_insns” “multi”)])
(define_insn “one_cmpldi2” [(set (match_operand:DI 0 “register_operand” “=d”) (not:DI (match_operand:DI 1 “register_operand” “d”)))] "" “%0 = ~%1;\n\t%H0 = ~%H1;” [(set_attr “length” “4”) (set_attr “seq_insns” “multi”)])
;; DImode zero and sign extend patterns
(define_insn_and_split “zero_extendsidi2” [(set (match_operand:DI 0 “register_operand” “=d”) (zero_extend:DI (match_operand:SI 1 “register_operand” “d”)))] "" “#” “reload_completed” [(set (match_dup 3) (const_int 0))] { split_di (operands, 1, operands + 2, operands + 3); if (REGNO (operands[0]) != REGNO (operands[1])) emit_move_insn (operands[2], operands[1]); })
(define_insn “zero_extendqidi2” [(set (match_operand:DI 0 “register_operand” “=d”) (zero_extend:DI (match_operand:QI 1 “register_operand” “d”)))] "" “%0 = %T1 (Z);\n\t%H0 = 0;” [(set_attr “length” “4”) (set_attr “seq_insns” “multi”)])
(define_insn “zero_extendhidi2” [(set (match_operand:DI 0 “register_operand” “=d”) (zero_extend:DI (match_operand:HI 1 “register_operand” “d”)))] "" “%0 = %h1 (Z);\n\t%H0 = 0;” [(set_attr “length” “4”) (set_attr “seq_insns” “multi”)])
(define_insn_and_split “extendsidi2” [(set (match_operand:DI 0 “register_operand” “=d”) (sign_extend:DI (match_operand:SI 1 “register_operand” “d”)))] "" “#” “reload_completed” [(set (match_dup 3) (match_dup 1)) (set (match_dup 3) (ashiftrt:SI (match_dup 3) (const_int 31)))] { split_di (operands, 1, operands + 2, operands + 3); if (REGNO (operands[0]) != REGNO (operands[1])) emit_move_insn (operands[2], operands[1]); })
(define_insn_and_split “extendqidi2” [(set (match_operand:DI 0 “register_operand” “=d”) (sign_extend:DI (match_operand:QI 1 “register_operand” “d”)))] "" “#” “reload_completed” [(set (match_dup 2) (sign_extend:SI (match_dup 1))) (set (match_dup 3) (sign_extend:SI (match_dup 1))) (set (match_dup 3) (ashiftrt:SI (match_dup 3) (const_int 31)))] { split_di (operands, 1, operands + 2, operands + 3); })
(define_insn_and_split “extendhidi2” [(set (match_operand:DI 0 “register_operand” “=d”) (sign_extend:DI (match_operand:HI 1 “register_operand” “d”)))] "" “#” “reload_completed” [(set (match_dup 2) (sign_extend:SI (match_dup 1))) (set (match_dup 3) (sign_extend:SI (match_dup 1))) (set (match_dup 3) (ashiftrt:SI (match_dup 3) (const_int 31)))] { split_di (operands, 1, operands + 2, operands + 3); })
;; DImode arithmetic operations
(define_insn “adddi3” [(set (match_operand:DI 0 “register_operand” “=&d,&d,&d”) (plus:DI (match_operand:DI 1 “register_operand” “%0,0,0”) (match_operand:DI 2 “nonmemory_operand” “Kn7,Ks7,d”))) (clobber (match_scratch:SI 3 “=&d,&d,&d”)) (clobber (reg:CC 34))] "" “@ %0 += %2; cc = ac0; %3 = cc; %H0 += -1; %H0 = %H0 + %3; %0 += %2; cc = ac0; %3 = cc; %H0 = %H0 + %3; %0 = %0 + %2; cc = ac0; %3 = cc; %H0 = %H0 + %H2; %H0 = %H0 + %3;” [(set_attr “type” “alu0”) (set_attr “length” “10,8,10”) (set_attr “seq_insns” “multi,multi,multi”)])
(define_insn “subdi3” [(set (match_operand:DI 0 “register_operand” “=&d”) (minus:DI (match_operand:DI 1 “register_operand” “0”) (match_operand:DI 2 “register_operand” “d”))) (clobber (reg:CC 34))] "" “%0 = %1-%2;\n\tcc = ac0;\n\t%H0 = %H1-%H2;\n\tif cc jump 1f;\n\t%H0 += -1;\n\t1:” [(set_attr “length” “10”) (set_attr “seq_insns” “multi”)])
(define_insn “*subdi_di_zesidi” [(set (match_operand:DI 0 “register_operand” “=d”) (minus:DI (match_operand:DI 1 “register_operand” “0”) (zero_extend:DI (match_operand:SI 2 “register_operand” “d”)))) (clobber (match_scratch:SI 3 “=&d”)) (clobber (reg:CC 34))] "" “%0 = %1 - %2;\n\tcc = ac0;\n\tcc = ! cc;\n\t%3 = cc;\n\t%H0 = %H1 - %3;” [(set_attr “length” “10”) (set_attr “seq_insns” “multi”)])
(define_insn “*subdi_zesidi_di” [(set (match_operand:DI 0 “register_operand” “=d”) (minus:DI (zero_extend:DI (match_operand:SI 2 “register_operand” “d”)) (match_operand:DI 1 “register_operand” “0”))) (clobber (match_scratch:SI 3 “=&d”)) (clobber (reg:CC 34))] "" “%0 = %2 - %1;\n\tcc = ac0;\n\tcc = ! cc;\n\t%3 = cc;\n\t%3 = -%3;\n\t%H0 = %3 - %H1” [(set_attr “length” “12”) (set_attr “seq_insns” “multi”)])
(define_insn “*subdi_di_sesidi” [(set (match_operand:DI 0 “register_operand” “=d”) (minus:DI (match_operand:DI 1 “register_operand” “0”) (sign_extend:DI (match_operand:SI 2 “register_operand” “d”)))) (clobber (match_scratch:SI 3 “=&d”)) (clobber (reg:CC 34))] "" “%0 = %1 - %2;\n\tcc = ac0;\n\t%3 = %2;\n\t%3 >>>= 31;\n\t%H0 = %H1 - %3;\n\tif cc jump 1f;\n\t%H0 += -1;\n\t1:” [(set_attr “length” “14”) (set_attr “seq_insns” “multi”)])
(define_insn “*subdi_sesidi_di” [(set (match_operand:DI 0 “register_operand” “=d”) (minus:DI (sign_extend:DI (match_operand:SI 2 “register_operand” “d”)) (match_operand:DI 1 “register_operand” “0”))) (clobber (match_scratch:SI 3 “=&d”)) (clobber (reg:CC 34))] "" “%0 = %2 - %1;\n\tcc = ac0;\n\t%3 = %2;\n\t%3 >>>= 31;\n\t%H0 = %3 - %H1;\n\tif cc jump 1f;\n\t%H0 += -1;\n\t1:” [(set_attr “length” “14”) (set_attr “seq_insns” “multi”)])
;; Combined shift/add instructions
(define_insn "" [(set (match_operand:SI 0 “register_operand” “=a,d”) (ashift:SI (plus:SI (match_operand:SI 1 “register_operand” “%0,0”) (match_operand:SI 2 “register_operand” “a,d”)) (match_operand:SI 3 “pos_scale_operand” “P1P2,P1P2”)))] "" “%0 = (%0 + %2) << %3;” /* “shadd %0,%2,%3;” */ [(set_attr “type” “alu0”)])
(define_insn "" [(set (match_operand:SI 0 “register_operand” “=a”) (plus:SI (match_operand:SI 1 “register_operand” “a”) (mult:SI (match_operand:SI 2 “register_operand” “a”) (match_operand:SI 3 “scale_by_operand” “i”))))] "" “%0 = %1 + (%2 << %X3);” [(set_attr “type” “alu0”)])
(define_insn "" [(set (match_operand:SI 0 “register_operand” “=a”) (plus:SI (match_operand:SI 1 “register_operand” “a”) (ashift:SI (match_operand:SI 2 “register_operand” “a”) (match_operand:SI 3 “pos_scale_operand” “i”))))] "" “%0 = %1 + (%2 << %3);” [(set_attr “type” “alu0”)])
(define_insn "" [(set (match_operand:SI 0 “register_operand” “=a”) (plus:SI (mult:SI (match_operand:SI 1 “register_operand” “a”) (match_operand:SI 2 “scale_by_operand” “i”)) (match_operand:SI 3 “register_operand” “a”)))] "" “%0 = %3 + (%1 << %X2);” [(set_attr “type” “alu0”)])
(define_insn "" [(set (match_operand:SI 0 “register_operand” “=a”) (plus:SI (ashift:SI (match_operand:SI 1 “register_operand” “a”) (match_operand:SI 2 “pos_scale_operand” “i”)) (match_operand:SI 3 “register_operand” “a”)))] "" “%0 = %3 + (%1 << %2);” [(set_attr “type” “alu0”)])
(define_insn “mulhisi3” [(set (match_operand:SI 0 “register_operand” “=d”) (mult:SI (sign_extend:SI (match_operand:HI 1 “register_operand” “%d”)) (sign_extend:SI (match_operand:HI 2 “register_operand” “d”))))] "" “%0 = %h1 * %h2 (IS);” [(set_attr “type” “dsp32”)])
(define_insn “umulhisi3” [(set (match_operand:SI 0 “register_operand” “=d”) (mult:SI (zero_extend:SI (match_operand:HI 1 “register_operand” “%d”)) (zero_extend:SI (match_operand:HI 2 “register_operand” “d”))))] "" “%0 = %h1 * %h2 (FU);” [(set_attr “type” “dsp32”)])
(define_insn “usmulhisi3” [(set (match_operand:SI 0 “register_operand” “=W”) (mult:SI (zero_extend:SI (match_operand:HI 1 “register_operand” “W”)) (sign_extend:SI (match_operand:HI 2 “register_operand” “W”))))] "" “%0 = %h2 * %h1 (IS,M);” [(set_attr “type” “dsp32”)])
;; The processor also supports ireg += mreg or ireg -= mreg, but these ;; are unusable if we don't ensure that the corresponding lreg is zero. ;; The same applies to the add/subtract constant versions involving ;; iregs
(define_insn “addsi3” [(set (match_operand:SI 0 “register_operand” “=ad,a,d”) (plus:SI (match_operand:SI 1 “register_operand” “%0, a,d”) (match_operand:SI 2 “reg_or_7bit_operand” “Ks7, a,d”)))] "" “@ %0 += %2; %0 = %1 + %2; %0 = %1 + %2;” [(set_attr “type” “alu0”) (set_attr “length” “2,2,2”)])
(define_insn “ssaddsi3” [(set (match_operand:SI 0 “register_operand” “=d”) (ss_plus:SI (match_operand:SI 1 “register_operand” “d”) (match_operand:SI 2 “register_operand” “d”)))] "" “%0 = %1 + %2 (S);” [(set_attr “type” “dsp32”)])
(define_insn “subsi3” [(set (match_operand:SI 0 “register_operand” “=da,d,a”) (minus:SI (match_operand:SI 1 “register_operand” “0,d,0”) (match_operand:SI 2 “reg_or_neg7bit_operand” “KN7,d,a”)))] "" { static const char *const strings_subsi3[] = { “%0 += -%2;”, “%0 = %1 - %2;”, “%0 -= %2;”, };
if (CONSTANT_P (operands[2]) && INTVAL (operands[2]) < 0) { rtx tmp_op = operands[2]; operands[2] = GEN_INT (-INTVAL (operands[2])); output_asm_insn (“%0 += %2;”, operands); operands[2] = tmp_op; return ""; }
return strings_subsi3[which_alternative]; } [(set_attr “type” “alu0”)])
(define_insn “sssubsi3” [(set (match_operand:SI 0 “register_operand” “=d”) (ss_minus:SI (match_operand:SI 1 “register_operand” “d”) (match_operand:SI 2 “register_operand” “d”)))] "" “%0 = %1 - %2 (S);” [(set_attr “type” “dsp32”)])
;; Bit test instructions
(define_insn “*not_bittst” [(set (match_operand:BI 0 “register_operand” “=C”) (eq:BI (zero_extract:SI (match_operand:SI 1 “register_operand” “d”) (const_int 1) (match_operand:SI 2 “immediate_operand” “Ku5”)) (const_int 0)))] "" “cc = !BITTST (%1,%2);” [(set_attr “type” “alu0”)])
(define_insn “*bittst” [(set (match_operand:BI 0 “register_operand” “=C”) (ne:BI (zero_extract:SI (match_operand:SI 1 “register_operand” “d”) (const_int 1) (match_operand:SI 2 “immediate_operand” “Ku5”)) (const_int 0)))] "" “cc = BITTST (%1,%2);” [(set_attr “type” “alu0”)])
(define_insn_and_split “*bit_extract” [(set (match_operand:SI 0 “register_operand” “=d”) (zero_extract:SI (match_operand:SI 1 “register_operand” “d”) (const_int 1) (match_operand:SI 2 “immediate_operand” “Ku5”))) (clobber (reg:BI REG_CC))] "" “#” "" [(set (reg:BI REG_CC) (ne:BI (zero_extract:SI (match_dup 1) (const_int 1) (match_dup 2)) (const_int 0))) (set (match_dup 0) (ne:SI (reg:BI REG_CC) (const_int 0)))])
(define_insn_and_split “*not_bit_extract” [(set (match_operand:SI 0 “register_operand” “=d”) (zero_extract:SI (not:SI (match_operand:SI 1 “register_operand” “d”)) (const_int 1) (match_operand:SI 2 “immediate_operand” “Ku5”))) (clobber (reg:BI REG_CC))] "" “#” "" [(set (reg:BI REG_CC) (eq:BI (zero_extract:SI (match_dup 1) (const_int 1) (match_dup 2)) (const_int 0))) (set (match_dup 0) (ne:SI (reg:BI REG_CC) (const_int 0)))])
(define_insn “*andsi_insn” [(set (match_operand:SI 0 “register_operand” “=d,d,d,d”) (and:SI (match_operand:SI 1 “register_operand” “%0,d,d,d”) (match_operand:SI 2 “rhs_andsi3_operand” “L,M1,M2,d”)))] "" “@ BITCLR (%0,%Y2); %0 = %T1 (Z); %0 = %h1 (Z); %0 = %1 & %2;” [(set_attr “type” “alu0”)])
(define_expand “andsi3” [(set (match_operand:SI 0 “register_operand” "") (and:SI (match_operand:SI 1 “register_operand” "") (match_operand:SI 2 “general_operand” "")))] "" { if (highbits_operand (operands[2], SImode)) { operands[2] = GEN_INT (exact_log2 (-INTVAL (operands[2]))); emit_insn (gen_ashrsi3 (operands[0], operands[1], operands[2])); emit_insn (gen_ashlsi3 (operands[0], operands[0], operands[2])); DONE; } if (! rhs_andsi3_operand (operands[2], SImode)) operands[2] = force_reg (SImode, operands[2]); })
(define_insn “iorsi3” [(set (match_operand:SI 0 “register_operand” “=d,d”) (ior:SI (match_operand:SI 1 “register_operand” “%0,d”) (match_operand:SI 2 “regorlog2_operand” “J,d”)))] "" “@ BITSET (%0, %X2); %0 = %1 | %2;” [(set_attr “type” “alu0”)])
(define_insn “xorsi3” [(set (match_operand:SI 0 “register_operand” “=d,d”) (xor:SI (match_operand:SI 1 “register_operand” “%0,d”) (match_operand:SI 2 “regorlog2_operand” “J,d”)))] "" “@ BITTGL (%0, %X2); %0 = %1 ^ %2;” [(set_attr “type” “alu0”)])
(define_insn “smaxsi3” [(set (match_operand:SI 0 “register_operand” “=d”) (smax:SI (match_operand:SI 1 “register_operand” “d”) (match_operand:SI 2 “register_operand” “d”)))] "" “%0 = max(%1,%2);” [(set_attr “type” “dsp32”)])
(define_insn “sminsi3” [(set (match_operand:SI 0 “register_operand” “=d”) (smin:SI (match_operand:SI 1 “register_operand” “d”) (match_operand:SI 2 “register_operand” “d”)))] "" “%0 = min(%1,%2);” [(set_attr “type” “dsp32”)])
(define_insn “abssi2” [(set (match_operand:SI 0 “register_operand” “=d”) (abs:SI (match_operand:SI 1 “register_operand” “d”)))] "" “%0 = abs %1;” [(set_attr “type” “dsp32”)])
(define_insn “negsi2” [(set (match_operand:SI 0 “register_operand” “=d”) (neg:SI (match_operand:SI 1 “register_operand” “d”)))] "" “%0 = -%1;” [(set_attr “type” “alu0”)])
(define_insn “ssnegsi2” [(set (match_operand:SI 0 “register_operand” “=d”) (ss_neg:SI (match_operand:SI 1 “register_operand” “d”)))] "" “%0 = -%1 (S);” [(set_attr “type” “dsp32”)])
(define_insn “one_cmplsi2” [(set (match_operand:SI 0 “register_operand” “=d”) (not:SI (match_operand:SI 1 “register_operand” “d”)))] "" “%0 = ~%1;” [(set_attr “type” “alu0”)])
(define_insn “signbitssi2” [(set (match_operand:HI 0 “register_operand” “=d”) (if_then_else:HI (lt (match_operand:SI 1 “register_operand” “d”) (const_int 0)) (clz:HI (not:SI (match_dup 1))) (clz:HI (match_dup 1))))] "" “%h0 = signbits %1;” [(set_attr “type” “dsp32”)])
(define_insn “smaxhi3” [(set (match_operand:HI 0 “register_operand” “=d”) (smax:HI (match_operand:HI 1 “register_operand” “d”) (match_operand:HI 2 “register_operand” “d”)))] "" “%0 = max(%1,%2) (V);” [(set_attr “type” “dsp32”)])
(define_insn “sminhi3” [(set (match_operand:HI 0 “register_operand” “=d”) (smin:HI (match_operand:HI 1 “register_operand” “d”) (match_operand:HI 2 “register_operand” “d”)))] "" “%0 = min(%1,%2) (V);” [(set_attr “type” “dsp32”)])
(define_insn “abshi2” [(set (match_operand:HI 0 “register_operand” “=d”) (abs:HI (match_operand:HI 1 “register_operand” “d”)))] "" “%0 = abs %1 (V);” [(set_attr “type” “dsp32”)])
(define_insn “neghi2” [(set (match_operand:HI 0 “register_operand” “=d”) (neg:HI (match_operand:HI 1 “register_operand” “d”)))] "" “%0 = -%1;” [(set_attr “type” “dsp32”)])
(define_insn “ssneghi2” [(set (match_operand:HI 0 “register_operand” “=d”) (ss_neg:HI (match_operand:HI 1 “register_operand” “d”)))] "" “%0 = -%1 (V);” [(set_attr “type” “dsp32”)])
(define_insn “signbitshi2” [(set (match_operand:HI 0 “register_operand” “=d”) (if_then_else:HI (lt (match_operand:HI 1 “register_operand” “d”) (const_int 0)) (clz:HI (not:HI (match_dup 1))) (clz:HI (match_dup 1))))] "" “%h0 = signbits %h1;” [(set_attr “type” “dsp32”)])
(define_insn “mulsi3” [(set (match_operand:SI 0 “register_operand” “=d”) (mult:SI (match_operand:SI 1 “register_operand” “%0”) (match_operand:SI 2 “register_operand” “d”)))] "" “%0 *= %2;” [(set_attr “type” “mult”)])
(define_expand “ashlsi3” [(set (match_operand:SI 0 “register_operand” "") (ashift:SI (match_operand:SI 1 “register_operand” "") (match_operand:SI 2 “nonmemory_operand” "")))] "" { if (GET_CODE (operands[2]) == CONST_INT && ((unsigned HOST_WIDE_INT) INTVAL (operands[2])) > 31) { emit_insn (gen_movsi (operands[0], const0_rtx)); DONE; } })
(define_insn_and_split “*ashlsi3_insn” [(set (match_operand:SI 0 “register_operand” “=d,a,a,a”) (ashift:SI (match_operand:SI 1 “register_operand” “0,a,a,a”) (match_operand:SI 2 “nonmemory_operand” “dKu5,P1,P2,?P3P4”)))] "" “@ %0 <<= %2; %0 = %1 + %1; %0 = %1 << %2; #” “PREG_P (operands[0]) && INTVAL (operands[2]) > 2” [(set (match_dup 0) (ashift:SI (match_dup 1) (const_int 2))) (set (match_dup 0) (ashift:SI (match_dup 0) (match_dup 3)))] “operands[3] = GEN_INT (INTVAL (operands[2]) - 2);” [(set_attr “type” “shft”)])
(define_insn “ashrsi3” [(set (match_operand:SI 0 “register_operand” “=d”) (ashiftrt:SI (match_operand:SI 1 “register_operand” “0”) (match_operand:SI 2 “nonmemory_operand” “dKu5”)))] "" “%0 >>>= %2;” [(set_attr “type” “shft”)])
(define_insn “ror_one” [(set (match_operand:SI 0 “register_operand” “=d”) (ior:SI (lshiftrt:SI (match_operand:SI 1 “register_operand” “d”) (const_int 1)) (ashift:SI (zero_extend:SI (reg:BI REG_CC)) (const_int 31)))) (set (reg:BI REG_CC) (zero_extract:BI (match_dup 1) (const_int 1) (const_int 0)))] "" “%0 = ROT %1 BY -1;” [(set_attr “type” “shft”) (set_attr “length” “4”)])
(define_insn “rol_one” [(set (match_operand:SI 0 “register_operand” “+d”) (ior:SI (ashift:SI (match_operand:SI 1 “register_operand” “d”) (const_int 1)) (zero_extend:SI (reg:BI REG_CC)))) (set (reg:BI REG_CC) (zero_extract:BI (match_dup 1) (const_int 31) (const_int 0)))] "" “%0 = ROT %1 BY 1;” [(set_attr “type” “shft”) (set_attr “length” “4”)])
(define_expand “lshrdi3” [(set (match_operand:DI 0 “register_operand” "") (lshiftrt:DI (match_operand:DI 1 “register_operand” "") (match_operand:DI 2 “general_operand” "")))] "" { rtx lo_half[2], hi_half[2];
if (operands[2] != const1_rtx) FAIL; if (! rtx_equal_p (operands[0], operands[1])) emit_move_insn (operands[0], operands[1]);
split_di (operands, 2, lo_half, hi_half);
emit_move_insn (bfin_cc_rtx, const0_rtx); emit_insn (gen_ror_one (hi_half[0], hi_half[0])); emit_insn (gen_ror_one (lo_half[0], lo_half[0])); DONE; })
(define_expand “ashrdi3” [(set (match_operand:DI 0 “register_operand” "") (ashiftrt:DI (match_operand:DI 1 “register_operand” "") (match_operand:DI 2 “general_operand” "")))] "" { rtx lo_half[2], hi_half[2];
if (operands[2] != const1_rtx) FAIL; if (! rtx_equal_p (operands[0], operands[1])) emit_move_insn (operands[0], operands[1]);
split_di (operands, 2, lo_half, hi_half);
emit_insn (gen_compare_lt (gen_rtx_REG (BImode, REG_CC), hi_half[1], const0_rtx)); emit_insn (gen_ror_one (hi_half[0], hi_half[0])); emit_insn (gen_ror_one (lo_half[0], lo_half[0])); DONE; })
(define_expand “ashldi3” [(set (match_operand:DI 0 “register_operand” "") (ashift:DI (match_operand:DI 1 “register_operand” "") (match_operand:DI 2 “general_operand” "")))] "" { rtx lo_half[2], hi_half[2];
if (operands[2] != const1_rtx) FAIL; if (! rtx_equal_p (operands[0], operands[1])) emit_move_insn (operands[0], operands[1]);
split_di (operands, 2, lo_half, hi_half);
emit_move_insn (bfin_cc_rtx, const0_rtx); emit_insn (gen_rol_one (lo_half[0], lo_half[0])); emit_insn (gen_rol_one (hi_half[0], hi_half[0])); DONE; })
(define_insn “lshrsi3” [(set (match_operand:SI 0 “register_operand” “=d,a”) (lshiftrt:SI (match_operand:SI 1 “register_operand” " 0,a") (match_operand:SI 2 “nonmemory_operand” “dKu5,P1P2”)))] "" “@ %0 >>= %2; %0 = %1 >> %2;” [(set_attr “type” “shft”)])
;; A pattern to reload the equivalent of ;; (set (Dreg) (plus (FP) (large_constant))) ;; or ;; (set (dagreg) (plus (FP) (arbitrary_constant))) ;; using a scratch register (define_expand “reload_insi” [(parallel [(set (match_operand:SI 0 “register_operand” “=w”) (match_operand:SI 1 “fp_plus_const_operand” "")) (clobber (match_operand:SI 2 “register_operand” “=&a”))])] "" { rtx fp_op = XEXP (operands[1], 0); rtx const_op = XEXP (operands[1], 1); rtx primary = operands[0]; rtx scratch = operands[2];
emit_move_insn (scratch, const_op); emit_insn (gen_addsi3 (scratch, scratch, fp_op)); emit_move_insn (primary, scratch); DONE; })
;; Jump instructions
(define_insn “jump” [(set (pc) (label_ref (match_operand 0 "" "")))] "" { if (get_attr_length (insn) == 2) return “jump.s %0;”; else return “jump.l %0;”; } [(set_attr “type” “br”)])
(define_insn “indirect_jump” [(set (pc) (match_operand:SI 0 “register_operand” “a”))] "" “jump (%0);” [(set_attr “type” “misc”)])
(define_expand “tablejump” [(parallel [(set (pc) (match_operand:SI 0 “register_operand” “a”)) (use (label_ref (match_operand 1 "" "")))])] "" { /* In PIC mode, the table entries are stored PC relative. Convert the relative address to an absolute address. */ if (flag_pic) { rtx op1 = gen_rtx_LABEL_REF (Pmode, operands[1]);
operands[0] = expand_simple_binop (Pmode, PLUS, operands[0], op1, NULL_RTX, 0, OPTAB_DIRECT); }
})
(define_insn “*tablejump_internal” [(set (pc) (match_operand:SI 0 “register_operand” “a”)) (use (label_ref (match_operand 1 "" "")))] "" “jump (%0);” [(set_attr “type” “misc”)])
;; Hardware loop
; operand 0 is the loop count pseudo register ; operand 1 is the number of loop iterations or 0 if it is unknown ; operand 2 is the maximum number of loop iterations ; operand 3 is the number of levels of enclosed loops ; operand 4 is the label to jump to at the top of the loop (define_expand “doloop_end” [(parallel [(set (pc) (if_then_else (ne (match_operand:SI 0 "" "") (const_int 1)) (label_ref (match_operand 4 "" "")) (pc))) (set (match_dup 0) (plus:SI (match_dup 0) (const_int -1))) (unspec [(const_int 0)] UNSPEC_LSETUP_END) (clobber (match_scratch:SI 5 ""))])] "" {bfin_hardware_loop ();})
(define_insn “loop_end” [(set (pc) (if_then_else (ne (match_operand:SI 0 “nonimmediate_operand” “+ad,bvf,m”) (const_int 1)) (label_ref (match_operand 1 "" "")) (pc))) (set (match_dup 0) (plus (match_dup 0) (const_int -1))) (unspec [(const_int 0)] UNSPEC_LSETUP_END) (clobber (match_scratch:SI 2 “=X,&r,&r”))] "" "@ /* loop end %0 %l1 */
#" [(set_attr “length” “6,10,14”)])
(define_split [(set (pc) (if_then_else (ne (match_operand:SI 0 “nondp_reg_or_memory_operand” "") (const_int 1)) (label_ref (match_operand 1 "" "")) (pc))) (set (match_dup 0) (plus (match_dup 0) (const_int -1))) (unspec [(const_int 0)] UNSPEC_LSETUP_END) (clobber (match_scratch:SI 2 “=&r”))] “reload_completed” [(set (match_dup 2) (match_dup 0)) (set (match_dup 2) (plus:SI (match_dup 2) (const_int -1))) (set (match_dup 0) (match_dup 2)) (set (reg:BI REG_CC) (eq:BI (match_dup 2) (const_int 0))) (set (pc) (if_then_else (eq (reg:BI REG_CC) (const_int 0)) (label_ref (match_dup 1)) (pc)))] "")
(define_insn “lsetup_with_autoinit” [(set (match_operand:SI 0 “lt_register_operand” “=t”) (label_ref (match_operand 1 "" ""))) (set (match_operand:SI 2 “lb_register_operand” “=u”) (label_ref (match_operand 3 "" ""))) (set (match_operand:SI 4 “lc_register_operand” “=k”) (match_operand:SI 5 “register_operand” “a”))] "" “LSETUP (%1, %3) %4 = %5;” [(set_attr “length” “4”)])
(define_insn “lsetup_without_autoinit” [(set (match_operand:SI 0 “lt_register_operand” “=t”) (label_ref (match_operand 1 "" ""))) (set (match_operand:SI 2 “lb_register_operand” “=u”) (label_ref (match_operand 3 "" ""))) (use (match_operand:SI 4 “lc_register_operand” “k”))] "" “LSETUP (%1, %3) %4;” [(set_attr “length” “4”)])
;; Call instructions..
;; The explicit MEM inside the UNSPEC prevents the compiler from moving ;; the load before a branch after a NULL test, or before a store that ;; initializes a function descriptor.
(define_insn_and_split “load_funcdescsi” [(set (match_operand:SI 0 “register_operand” “=a”) (unspec_volatile:SI [(mem:SI (match_operand:SI 1 “address_operand” “p”))] UNSPEC_VOLATILE_LOAD_FUNCDESC))] "" “#” “reload_completed” [(set (match_dup 0) (mem:SI (match_dup 1)))])
(define_expand “call” [(parallel [(call (match_operand:SI 0 "" "") (match_operand 1 "" "")) (use (match_operand 2 "" ""))])] "" { bfin_expand_call (NULL_RTX, operands[0], operands[1], operands[2], 0); DONE; })
(define_expand “sibcall” [(parallel [(call (match_operand:SI 0 "" "") (match_operand 1 "" "")) (use (match_operand 2 "" "")) (return)])] "" { bfin_expand_call (NULL_RTX, operands[0], operands[1], operands[2], 1); DONE; })
(define_expand “call_value” [(parallel [(set (match_operand 0 “register_operand” "") (call (match_operand:SI 1 "" "") (match_operand 2 "" ""))) (use (match_operand 3 "" ""))])] "" { bfin_expand_call (operands[0], operands[1], operands[2], operands[3], 0); DONE; })
(define_expand “sibcall_value” [(parallel [(set (match_operand 0 “register_operand” "") (call (match_operand:SI 1 "" "") (match_operand 2 "" ""))) (use (match_operand 3 "" "")) (return)])] "" { bfin_expand_call (operands[0], operands[1], operands[2], operands[3], 1); DONE; })
(define_insn “*call_symbol_fdpic” [(call (mem:SI (match_operand:SI 0 “symbol_ref_operand” “Q”)) (match_operand 1 “general_operand” “g”)) (use (match_operand:SI 2 “register_operand” “Z”)) (use (match_operand 3 "" ""))] “! SIBLING_CALL_P (insn) && GET_CODE (operands[0]) == SYMBOL_REF && !bfin_longcall_p (operands[0], INTVAL (operands[3]))” “call %0;” [(set_attr “type” “call”) (set_attr “length” “4”)])
(define_insn “*sibcall_symbol_fdpic” [(call (mem:SI (match_operand:SI 0 “symbol_ref_operand” “Q”)) (match_operand 1 “general_operand” “g”)) (use (match_operand:SI 2 “register_operand” “Z”)) (use (match_operand 3 "" "")) (return)] “SIBLING_CALL_P (insn) && GET_CODE (operands[0]) == SYMBOL_REF && !bfin_longcall_p (operands[0], INTVAL (operands[3]))” “jump.l %0;” [(set_attr “type” “br”) (set_attr “length” “4”)])
(define_insn “*call_value_symbol_fdpic” [(set (match_operand 0 “register_operand” “=d”) (call (mem:SI (match_operand:SI 1 “symbol_ref_operand” “Q”)) (match_operand 2 “general_operand” “g”))) (use (match_operand:SI 3 “register_operand” “Z”)) (use (match_operand 4 "" ""))] “! SIBLING_CALL_P (insn) && GET_CODE (operands[1]) == SYMBOL_REF && !bfin_longcall_p (operands[1], INTVAL (operands[4]))” “call %1;” [(set_attr “type” “call”) (set_attr “length” “4”)])
(define_insn “*sibcall_value_symbol_fdpic” [(set (match_operand 0 “register_operand” “=d”) (call (mem:SI (match_operand:SI 1 “symbol_ref_operand” “Q”)) (match_operand 2 “general_operand” “g”))) (use (match_operand:SI 3 “register_operand” “Z”)) (use (match_operand 4 "" "")) (return)] “SIBLING_CALL_P (insn) && GET_CODE (operands[1]) == SYMBOL_REF && !bfin_longcall_p (operands[1], INTVAL (operands[4]))” “jump.l %1;” [(set_attr “type” “br”) (set_attr “length” “4”)])
(define_insn “*call_insn_fdpic” [(call (mem:SI (match_operand:SI 0 “register_no_elim_operand” “Y”)) (match_operand 1 “general_operand” “g”)) (use (match_operand:SI 2 “register_operand” “Z”)) (use (match_operand 3 "" ""))] “! SIBLING_CALL_P (insn)” “call (%0);” [(set_attr “type” “call”) (set_attr “length” “2”)])
(define_insn “*sibcall_insn_fdpic” [(call (mem:SI (match_operand:SI 0 “register_no_elim_operand” “Y”)) (match_operand 1 “general_operand” “g”)) (use (match_operand:SI 2 “register_operand” “Z”)) (use (match_operand 3 "" "")) (return)] “SIBLING_CALL_P (insn)” “jump (%0);” [(set_attr “type” “br”) (set_attr “length” “2”)])
(define_insn “*call_value_insn_fdpic” [(set (match_operand 0 “register_operand” “=d”) (call (mem:SI (match_operand:SI 1 “register_no_elim_operand” “Y”)) (match_operand 2 “general_operand” “g”))) (use (match_operand:SI 3 “register_operand” “Z”)) (use (match_operand 4 "" ""))] “! SIBLING_CALL_P (insn)” “call (%1);” [(set_attr “type” “call”) (set_attr “length” “2”)])
(define_insn “*sibcall_value_insn_fdpic” [(set (match_operand 0 “register_operand” “=d”) (call (mem:SI (match_operand:SI 1 “register_no_elim_operand” “Y”)) (match_operand 2 “general_operand” “g”))) (use (match_operand:SI 3 “register_operand” “Z”)) (use (match_operand 4 "" "")) (return)] “SIBLING_CALL_P (insn)” “jump (%1);” [(set_attr “type” “br”) (set_attr “length” “2”)])
(define_insn “*call_symbol” [(call (mem:SI (match_operand:SI 0 “symbol_ref_operand” “Q”)) (match_operand 1 “general_operand” “g”)) (use (match_operand 2 "" ""))] “! SIBLING_CALL_P (insn) && !TARGET_ID_SHARED_LIBRARY && GET_CODE (operands[0]) == SYMBOL_REF && !bfin_longcall_p (operands[0], INTVAL (operands[2]))” “call %0;” [(set_attr “type” “call”) (set_attr “length” “4”)])
(define_insn “*sibcall_symbol” [(call (mem:SI (match_operand:SI 0 “symbol_ref_operand” “Q”)) (match_operand 1 “general_operand” “g”)) (use (match_operand 2 "" "")) (return)] “SIBLING_CALL_P (insn) && !TARGET_ID_SHARED_LIBRARY && GET_CODE (operands[0]) == SYMBOL_REF && !bfin_longcall_p (operands[0], INTVAL (operands[2]))” “jump.l %0;” [(set_attr “type” “br”) (set_attr “length” “4”)])
(define_insn “*call_value_symbol” [(set (match_operand 0 “register_operand” “=d”) (call (mem:SI (match_operand:SI 1 “symbol_ref_operand” “Q”)) (match_operand 2 “general_operand” “g”))) (use (match_operand 3 "" ""))] “! SIBLING_CALL_P (insn) && !TARGET_ID_SHARED_LIBRARY && GET_CODE (operands[1]) == SYMBOL_REF && !bfin_longcall_p (operands[1], INTVAL (operands[3]))” “call %1;” [(set_attr “type” “call”) (set_attr “length” “4”)])
(define_insn “*sibcall_value_symbol” [(set (match_operand 0 “register_operand” “=d”) (call (mem:SI (match_operand:SI 1 “symbol_ref_operand” “Q”)) (match_operand 2 “general_operand” “g”))) (use (match_operand 3 "" "")) (return)] “SIBLING_CALL_P (insn) && !TARGET_ID_SHARED_LIBRARY && GET_CODE (operands[1]) == SYMBOL_REF && !bfin_longcall_p (operands[1], INTVAL (operands[3]))” “jump.l %1;” [(set_attr “type” “br”) (set_attr “length” “4”)])
(define_insn “*call_insn” [(call (mem:SI (match_operand:SI 0 “register_no_elim_operand” “a”)) (match_operand 1 “general_operand” “g”)) (use (match_operand 2 "" ""))] “! SIBLING_CALL_P (insn)” “call (%0);” [(set_attr “type” “call”) (set_attr “length” “2”)])
(define_insn “*sibcall_insn” [(call (mem:SI (match_operand:SI 0 “register_no_elim_operand” “z”)) (match_operand 1 “general_operand” “g”)) (use (match_operand 2 "" "")) (return)] “SIBLING_CALL_P (insn)” “jump (%0);” [(set_attr “type” “br”) (set_attr “length” “2”)])
(define_insn “*call_value_insn” [(set (match_operand 0 “register_operand” “=d”) (call (mem:SI (match_operand:SI 1 “register_no_elim_operand” “a”)) (match_operand 2 “general_operand” “g”))) (use (match_operand 3 "" ""))] “! SIBLING_CALL_P (insn)” “call (%1);” [(set_attr “type” “call”) (set_attr “length” “2”)])
(define_insn “*sibcall_value_insn” [(set (match_operand 0 “register_operand” “=d”) (call (mem:SI (match_operand:SI 1 “register_no_elim_operand” “z”)) (match_operand 2 “general_operand” “g”))) (use (match_operand 3 "" "")) (return)] “SIBLING_CALL_P (insn)” “jump (%1);” [(set_attr “type” “br”) (set_attr “length” “2”)])
;; Block move patterns
;; We cheat. This copies one more word than operand 2 indicates.
(define_insn “rep_movsi” [(set (match_operand:SI 0 “register_operand” “=&a”) (plus:SI (plus:SI (match_operand:SI 3 “register_operand” “0”) (ashift:SI (match_operand:SI 2 “register_operand” “a”) (const_int 2))) (const_int 4))) (set (match_operand:SI 1 “register_operand” “=&b”) (plus:SI (plus:SI (match_operand:SI 4 “register_operand” “1”) (ashift:SI (match_dup 2) (const_int 2))) (const_int 4))) (set (mem:BLK (match_dup 3)) (mem:BLK (match_dup 4))) (use (match_dup 2)) (clobber (match_scratch:HI 5 “=&d”)) (clobber (reg:SI REG_LT1)) (clobber (reg:SI REG_LC1)) (clobber (reg:SI REG_LB1))] "" “%5 = [%4++]; lsetup (1f, 1f) LC1 = %2; 1: MNOP || [%3++] = %5 || %5 = [%4++]; [%3++] = %5;” [(set_attr “type” “misc”) (set_attr “length” “16”) (set_attr “seq_insns” “multi”)])
(define_insn “rep_movhi” [(set (match_operand:SI 0 “register_operand” “=&a”) (plus:SI (plus:SI (match_operand:SI 3 “register_operand” “0”) (ashift:SI (match_operand:SI 2 “register_operand” “a”) (const_int 1))) (const_int 2))) (set (match_operand:SI 1 “register_operand” “=&b”) (plus:SI (plus:SI (match_operand:SI 4 “register_operand” “1”) (ashift:SI (match_dup 2) (const_int 1))) (const_int 2))) (set (mem:BLK (match_dup 3)) (mem:BLK (match_dup 4))) (use (match_dup 2)) (clobber (match_scratch:HI 5 “=&d”)) (clobber (reg:SI REG_LT1)) (clobber (reg:SI REG_LC1)) (clobber (reg:SI REG_LB1))] "" “%h5 = W[%4++]; lsetup (1f, 1f) LC1 = %2; 1: MNOP || W [%3++] = %5 || %h5 = W [%4++]; W [%3++] = %5;” [(set_attr “type” “misc”) (set_attr “length” “16”) (set_attr “seq_insns” “multi”)])
(define_expand “movmemsi” [(match_operand:BLK 0 “general_operand” "") (match_operand:BLK 1 “general_operand” "") (match_operand:SI 2 “const_int_operand” "") (match_operand:SI 3 “const_int_operand” "")] "" { if (bfin_expand_movmem (operands[0], operands[1], operands[2], operands[3])) DONE; FAIL; })
;; Conditional branch patterns ;; The Blackfin has only few condition codes: eq, lt, lte, ltu, leu
;; The only outcome of this pattern is that global variables ;; bfin_compare_op[01] are set for use in bcond patterns.
(define_expand “cmpbi” [(set (cc0) (compare (match_operand:BI 0 “register_operand” "") (match_operand:BI 1 “immediate_operand” "")))] "" { bfin_compare_op0 = operands[0]; bfin_compare_op1 = operands[1]; DONE; })
(define_expand “cmpsi” [(set (cc0) (compare (match_operand:SI 0 “register_operand” "") (match_operand:SI 1 “reg_or_const_int_operand” "")))] "" { bfin_compare_op0 = operands[0]; bfin_compare_op1 = operands[1]; DONE; })
(define_insn “compare_eq” [(set (match_operand:BI 0 “register_operand” “=C,C”) (eq:BI (match_operand:SI 1 “register_operand” “d,a”) (match_operand:SI 2 “reg_or_const_int_operand” “dKs3,aKs3”)))] "" “cc =%1==%2;” [(set_attr “type” “compare”)])
(define_insn “compare_ne” [(set (match_operand:BI 0 “register_operand” “=C,C”) (ne:BI (match_operand:SI 1 “register_operand” “d,a”) (match_operand:SI 2 “reg_or_const_int_operand” “dKs3,aKs3”)))] “0” “cc =%1!=%2;” [(set_attr “type” “compare”)])
(define_insn “compare_lt” [(set (match_operand:BI 0 “register_operand” “=C,C”) (lt:BI (match_operand:SI 1 “register_operand” “d,a”) (match_operand:SI 2 “reg_or_const_int_operand” “dKs3,aKs3”)))] "" “cc =%1<%2;” [(set_attr “type” “compare”)])
(define_insn “compare_le” [(set (match_operand:BI 0 “register_operand” “=C,C”) (le:BI (match_operand:SI 1 “register_operand” “d,a”) (match_operand:SI 2 “reg_or_const_int_operand” “dKs3,aKs3”)))] "" “cc =%1<=%2;” [(set_attr “type” “compare”)])
(define_insn “compare_leu” [(set (match_operand:BI 0 “register_operand” “=C,C”) (leu:BI (match_operand:SI 1 “register_operand” “d,a”) (match_operand:SI 2 “reg_or_const_int_operand” “dKu3,aKu3”)))] "" “cc =%1<=%2 (iu);” [(set_attr “type” “compare”)])
(define_insn “compare_ltu” [(set (match_operand:BI 0 “register_operand” “=C,C”) (ltu:BI (match_operand:SI 1 “register_operand” “d,a”) (match_operand:SI 2 “reg_or_const_int_operand” “dKu3,aKu3”)))] "" “cc =%1<%2 (iu);” [(set_attr “type” “compare”)])
(define_expand “beq” [(set (match_dup 1) (match_dup 2)) (set (pc) (if_then_else (match_dup 3) (label_ref (match_operand 0 "" "")) (pc)))] "" { rtx op0 = bfin_compare_op0, op1 = bfin_compare_op1; operands[1] = bfin_cc_rtx; /* hard register: CC / operands[2] = gen_rtx_EQ (BImode, op0, op1); / If we have a BImode input, then we already have a compare result, and do not need to emit another comparison. */ if (GET_MODE (bfin_compare_op0) == BImode) { gcc_assert (bfin_compare_op1 == const0_rtx); emit_insn (gen_cbranchbi4 (operands[2], op0, op1, operands[0])); DONE; }
operands[3] = gen_rtx_NE (BImode, operands[1], const0_rtx); })
(define_expand “bne” [(set (match_dup 1) (match_dup 2)) (set (pc) (if_then_else (match_dup 3) (label_ref (match_operand 0 "" "")) (pc)))] "" { rtx op0 = bfin_compare_op0, op1 = bfin_compare_op1; /* If we have a BImode input, then we already have a compare result, and do not need to emit another comparison. */ if (GET_MODE (bfin_compare_op0) == BImode) { rtx cmp = gen_rtx_NE (BImode, op0, op1);
gcc_assert (bfin_compare_op1 == const0_rtx); emit_insn (gen_cbranchbi4 (cmp, op0, op1, operands[0])); DONE; }
operands[1] = bfin_cc_rtx; /* hard register: CC */ operands[2] = gen_rtx_EQ (BImode, op0, op1); operands[3] = gen_rtx_EQ (BImode, operands[1], const0_rtx); })
(define_expand “bgt” [(set (match_dup 1) (match_dup 2)) (set (pc) (if_then_else (match_dup 3) (label_ref (match_operand 0 "" "")) (pc)))] "" { operands[1] = bfin_cc_rtx; operands[2] = gen_rtx_LE (BImode, bfin_compare_op0, bfin_compare_op1); operands[3] = gen_rtx_EQ (BImode, operands[1], const0_rtx); })
(define_expand “bgtu” [(set (match_dup 1) (match_dup 2)) (set (pc) (if_then_else (match_dup 3) (label_ref (match_operand 0 "" "")) (pc)))] "" { operands[1] = bfin_cc_rtx; operands[2] = gen_rtx_LEU (BImode, bfin_compare_op0, bfin_compare_op1); operands[3] = gen_rtx_EQ (BImode, operands[1], const0_rtx); })
(define_expand “blt” [(set (match_dup 1) (match_dup 2)) (set (pc) (if_then_else (match_dup 3) (label_ref (match_operand 0 "" "")) (pc)))] "" { operands[1] = bfin_cc_rtx; operands[2] = gen_rtx_LT (BImode, bfin_compare_op0, bfin_compare_op1); operands[3] = gen_rtx_NE (BImode, operands[1], const0_rtx); })
(define_expand “bltu” [(set (match_dup 1) (match_dup 2)) (set (pc) (if_then_else (match_dup 3) (label_ref (match_operand 0 "" "")) (pc)))] "" { operands[1] = bfin_cc_rtx; operands[2] = gen_rtx_LTU (BImode, bfin_compare_op0, bfin_compare_op1); operands[3] = gen_rtx_NE (BImode, operands[1], const0_rtx); })
(define_expand “bge” [(set (match_dup 1) (match_dup 2)) (set (pc) (if_then_else (match_dup 3) (label_ref (match_operand 0 "" "")) (pc)))] "" { operands[1] = bfin_cc_rtx; operands[2] = gen_rtx_LT (BImode, bfin_compare_op0, bfin_compare_op1); operands[3] = gen_rtx_EQ (BImode, operands[1], const0_rtx); })
(define_expand “bgeu” [(set (match_dup 1) (match_dup 2)) (set (pc) (if_then_else (match_dup 3) (label_ref (match_operand 0 "" "")) (pc)))] "" { operands[1] = bfin_cc_rtx; operands[2] = gen_rtx_LTU (BImode, bfin_compare_op0, bfin_compare_op1); operands[3] = gen_rtx_EQ (BImode, operands[1], const0_rtx); })
(define_expand “ble” [(set (match_dup 1) (match_dup 2)) (set (pc) (if_then_else (match_dup 3) (label_ref (match_operand 0 "" "")) (pc)))] "" { operands[1] = bfin_cc_rtx; operands[2] = gen_rtx_LE (BImode, bfin_compare_op0, bfin_compare_op1); operands[3] = gen_rtx_NE (BImode, operands[1], const0_rtx); })
(define_expand “bleu” [(set (match_dup 1) (match_dup 2)) (set (pc) (if_then_else (match_dup 3) (label_ref (match_operand 0 "" "")) (pc))) ] "" { operands[1] = bfin_cc_rtx; operands[2] = gen_rtx_LEU (BImode, bfin_compare_op0, bfin_compare_op1); operands[3] = gen_rtx_NE (BImode, operands[1], const0_rtx); })
(define_insn “cbranchbi4” [(set (pc) (if_then_else (match_operator 0 “bfin_cbranch_operator” [(match_operand:BI 1 “register_operand” “C”) (match_operand:BI 2 “immediate_operand” “P0”)]) (label_ref (match_operand 3 "" "")) (pc)))] "" { asm_conditional_branch (insn, operands, 0, 0); return ""; } [(set_attr “type” “brcc”)])
;; Special cbranch patterns to deal with the speculative load problem - see ;; bfin_reorg for details.
(define_insn “cbranch_predicted_taken” [(set (pc) (if_then_else (match_operator 0 “bfin_cbranch_operator” [(match_operand:BI 1 “register_operand” “C”) (match_operand:BI 2 “immediate_operand” “P0”)]) (label_ref (match_operand 3 "" "")) (pc))) (unspec [(const_int 0)] UNSPEC_CBRANCH_TAKEN)] "" { asm_conditional_branch (insn, operands, 0, 1); return ""; } [(set_attr “type” “brcc”)])
(define_insn “cbranch_with_nops” [(set (pc) (if_then_else (match_operator 0 “bfin_cbranch_operator” [(match_operand:BI 1 “register_operand” “C”) (match_operand:BI 2 “immediate_operand” “P0”)]) (label_ref (match_operand 3 "" "")) (pc))) (unspec [(match_operand 4 “immediate_operand” "")] UNSPEC_CBRANCH_NOPS)] “reload_completed” { asm_conditional_branch (insn, operands, INTVAL (operands[4]), 0); return ""; } [(set_attr “type” “brcc”) (set_attr “length” “6”)])
;; setcc insns. */ (define_expand “seq” [(set (match_dup 1) (eq:BI (match_dup 2) (match_dup 3))) (set (match_operand:SI 0 “register_operand” "") (ne:SI (match_dup 1) (const_int 0)))] "" { operands[2] = bfin_compare_op0; operands[3] = bfin_compare_op1; operands[1] = bfin_cc_rtx; })
(define_expand “slt” [(set (match_dup 1) (lt:BI (match_dup 2) (match_dup 3))) (set (match_operand:SI 0 “register_operand” "") (ne:SI (match_dup 1) (const_int 0)))] "" { operands[2] = bfin_compare_op0; operands[3] = bfin_compare_op1; operands[1] = bfin_cc_rtx; })
(define_expand “sle” [(set (match_dup 1) (le:BI (match_dup 2) (match_dup 3))) (set (match_operand:SI 0 “register_operand” "") (ne:SI (match_dup 1) (const_int 0)))] "" { operands[2] = bfin_compare_op0; operands[3] = bfin_compare_op1; operands[1] = bfin_cc_rtx; })
(define_expand “sltu” [(set (match_dup 1) (ltu:BI (match_dup 2) (match_dup 3))) (set (match_operand:SI 0 “register_operand” "") (ne:SI (match_dup 1) (const_int 0)))] "" { operands[2] = bfin_compare_op0; operands[3] = bfin_compare_op1; operands[1] = bfin_cc_rtx; })
(define_expand “sleu” [(set (match_dup 1) (leu:BI (match_dup 2) (match_dup 3))) (set (match_operand:SI 0 “register_operand” "") (ne:SI (match_dup 1) (const_int 0)))] "" { operands[2] = bfin_compare_op0; operands[3] = bfin_compare_op1; operands[1] = bfin_cc_rtx; })
(define_insn “nop” [(const_int 0)] "" “nop;”)
;;;;;;;;;;;;;;;;;;;; CC2dreg ;;;;;;;;;;;;;;;;;;;;;;;;; (define_insn “movsibi” [(set (match_operand:BI 0 “register_operand” “=C”) (ne:BI (match_operand:SI 1 “register_operand” “d”) (const_int 0)))] "" “CC = %1;” [(set_attr “length” “2”)])
(define_insn “movbisi” [(set (match_operand:SI 0 “register_operand” “=d”) (ne:SI (match_operand:BI 1 “register_operand” “C”) (const_int 0)))] "" “%0 = CC;” [(set_attr “length” “2”)])
(define_insn "" [(set (match_operand:BI 0 “register_operand” “=C”) (eq:BI (match_operand:BI 1 “register_operand” " 0") (const_int 0)))] "" “%0 = ! %0;” /* NOT CC;" */ [(set_attr “type” “compare”)])
;; Vector and DSP insns
(define_insn "" [(set (match_operand:SI 0 “register_operand” “=d”) (ior:SI (ashift:SI (match_operand:SI 1 “register_operand” “d”) (const_int 24)) (lshiftrt:SI (match_operand:SI 2 “register_operand” “d”) (const_int 8))))] "" “%0 = ALIGN8(%1, %2);” [(set_attr “type” “dsp32”)])
(define_insn "" [(set (match_operand:SI 0 “register_operand” “=d”) (ior:SI (ashift:SI (match_operand:SI 1 “register_operand” “d”) (const_int 16)) (lshiftrt:SI (match_operand:SI 2 “register_operand” “d”) (const_int 16))))] "" “%0 = ALIGN16(%1, %2);” [(set_attr “type” “dsp32”)])
(define_insn "" [(set (match_operand:SI 0 “register_operand” “=d”) (ior:SI (ashift:SI (match_operand:SI 1 “register_operand” “d”) (const_int 8)) (lshiftrt:SI (match_operand:SI 2 “register_operand” “d”) (const_int 24))))] "" “%0 = ALIGN24(%1, %2);” [(set_attr “type” “dsp32”)])
;; Prologue and epilogue.
(define_expand “prologue” [(const_int 1)] "" “bfin_expand_prologue (); DONE;”)
(define_expand “epilogue” [(const_int 1)] "" “bfin_expand_epilogue (1, 0); DONE;”)
(define_expand “sibcall_epilogue” [(const_int 1)] "" “bfin_expand_epilogue (0, 0); DONE;”)
(define_expand “eh_return” [(unspec_volatile [(match_operand:SI 0 “register_operand” "")] UNSPEC_VOLATILE_EH_RETURN)] "" { emit_move_insn (EH_RETURN_HANDLER_RTX, operands[0]); emit_jump_insn (gen_eh_return_internal ()); emit_barrier (); DONE; })
(define_insn_and_split “eh_return_internal” [(set (pc) (unspec_volatile [(reg:SI REG_P2)] UNSPEC_VOLATILE_EH_RETURN))] "" “#” “reload_completed” [(const_int 1)] “bfin_expand_epilogue (1, 1); DONE;”)
(define_insn “link” [(set (mem:SI (plus:SI (reg:SI REG_SP) (const_int -4))) (reg:SI REG_RETS)) (set (mem:SI (plus:SI (reg:SI REG_SP) (const_int -8))) (reg:SI REG_FP)) (set (reg:SI REG_FP) (plus:SI (reg:SI REG_SP) (const_int -8))) (set (reg:SI REG_SP) (plus:SI (reg:SI REG_SP) (match_operand:SI 0 “immediate_operand” “i”)))] "" “LINK %Z0;” [(set_attr “length” “4”)])
(define_insn “unlink” [(set (reg:SI REG_FP) (mem:SI (reg:SI REG_FP))) (set (reg:SI REG_RETS) (mem:SI (plus:SI (reg:SI REG_FP) (const_int 4)))) (set (reg:SI REG_SP) (plus:SI (reg:SI REG_FP) (const_int 8)))] "" “UNLINK;” [(set_attr “length” “4”)])
;; This pattern is slightly clumsy. The stack adjust must be the final SET in ;; the pattern, otherwise dwarf2out becomes very confused about which reg goes ;; where on the stack, since it goes through all elements of the parallel in ;; sequence. (define_insn “push_multiple” [(match_parallel 0 “push_multiple_operation” [(unspec [(match_operand:SI 1 “immediate_operand” “i”)] UNSPEC_PUSH_MULTIPLE)])] "" { output_push_multiple (insn, operands); return ""; })
(define_insn “pop_multiple” [(match_parallel 0 “pop_multiple_operation” [(set (reg:SI REG_SP) (plus:SI (reg:SI REG_SP) (match_operand:SI 1 “immediate_operand” “i”)))])] "" { output_pop_multiple (insn, operands); return ""; })
(define_insn “return_internal” [(return) (unspec [(match_operand 0 “immediate_operand” “i”)] UNSPEC_RETURN)] “reload_completed” { switch (INTVAL (operands[0])) { case EXCPT_HANDLER: return “rtx;”; case NMI_HANDLER: return “rtn;”; case INTERRUPT_HANDLER: return “rti;”; case SUBROUTINE: return “rts;”; } gcc_unreachable (); })
(define_insn “csync” [(unspec_volatile [(const_int 0)] UNSPEC_VOLATILE_CSYNC)] "" “csync;” [(set_attr “type” “sync”)])
(define_insn “ssync” [(unspec_volatile [(const_int 0)] UNSPEC_VOLATILE_SSYNC)] "" “ssync;” [(set_attr “type” “sync”)])
(define_insn “trap” [(trap_if (const_int 1) (const_int 3))] "" “excpt 3;” [(set_attr “type” “misc”) (set_attr “length” “2”)])
(define_insn “trapifcc” [(trap_if (reg:BI REG_CC) (const_int 3))] "" “if !cc jump 4 (bp); excpt 3;” [(set_attr “type” “misc”) (set_attr “length” “4”) (set_attr “seq_insns” “multi”)])
;;; Vector instructions
;; First, all sorts of move variants
(define_insn “movhi_low2high” [(set (match_operand:V2HI 0 “register_operand” “=d”) (vec_concat:V2HI (vec_select:HI (match_operand:V2HI 1 “register_operand” “0”) (parallel [(const_int 0)])) (vec_select:HI (match_operand:V2HI 2 “register_operand” “d”) (parallel [(const_int 0)]))))] "" “%d0 = %h2 << 0;” [(set_attr “type” “dsp32”)])
(define_insn “movhi_high2high” [(set (match_operand:V2HI 0 “register_operand” “=d”) (vec_concat:V2HI (vec_select:HI (match_operand:V2HI 1 “register_operand” “0”) (parallel [(const_int 0)])) (vec_select:HI (match_operand:V2HI 2 “register_operand” “d”) (parallel [(const_int 1)]))))] "" “%d0 = %d2 << 0;” [(set_attr “type” “dsp32”)])
(define_insn “movhi_low2low” [(set (match_operand:V2HI 0 “register_operand” “=d”) (vec_concat:V2HI (vec_select:HI (match_operand:V2HI 2 “register_operand” “d”) (parallel [(const_int 0)])) (vec_select:HI (match_operand:V2HI 1 “register_operand” “0”) (parallel [(const_int 1)]))))] "" “%h0 = %h2 << 0;” [(set_attr “type” “dsp32”)])
(define_insn “movhi_high2low” [(set (match_operand:V2HI 0 “register_operand” “=d”) (vec_concat:V2HI (vec_select:HI (match_operand:V2HI 2 “register_operand” “d”) (parallel [(const_int 1)])) (vec_select:HI (match_operand:V2HI 1 “register_operand” “0”) (parallel [(const_int 1)]))))] "" “%h0 = %d2 << 0;” [(set_attr “type” “dsp32”)])
(define_insn “movhiv2hi_low” [(set (match_operand:V2HI 0 “register_operand” “=d”) (vec_concat:V2HI (match_operand:HI 2 “register_operand” “d”) (vec_select:HI (match_operand:V2HI 1 “register_operand” “0”) (parallel [(const_int 1)]))))] "" “%h0 = %h2 << 0;” [(set_attr “type” “dsp32”)])
(define_insn “movhiv2hi_high” [(set (match_operand:V2HI 0 “register_operand” “=d”) (vec_concat:V2HI (vec_select:HI (match_operand:V2HI 1 “register_operand” “0”) (parallel [(const_int 0)])) (match_operand:HI 2 “register_operand” “d”)))] "" “%d0 = %h2 << 0;” [(set_attr “type” “dsp32”)])
;; No earlyclobber on alternative two since our sequence ought to be safe. ;; The order of operands is intentional to match the VDSP builtin (high word ;; is passed first). (define_insn_and_split “composev2hi” [(set (match_operand:V2HI 0 “register_operand” “=d,d”) (vec_concat:V2HI (match_operand:HI 2 “register_operand” “0,d”) (match_operand:HI 1 “register_operand” “d,d”)))] "" “@ %d0 = %h2 << 0; #” “reload_completed” [(set (match_dup 0) (vec_concat:V2HI (vec_select:HI (match_dup 0) (parallel [(const_int 0)])) (match_dup 2))) (set (match_dup 0) (vec_concat:V2HI (match_dup 1) (vec_select:HI (match_dup 0) (parallel [(const_int 1)]))))] "" [(set_attr “type” “dsp32”)])
; Like composev2hi, but operating on elements of V2HI vectors. ; Useful on its own, and as a combiner bridge for the multiply and ; mac patterns. (define_insn “packv2hi” [(set (match_operand:V2HI 0 “register_operand” “=d,d,d,d”) (vec_concat:V2HI (vec_select:HI (match_operand:V2HI 1 “register_operand” “d,d,d,d”) (parallel [(match_operand 3 “const01_operand” “P0,P1,P0,P1”)])) (vec_select:HI (match_operand:V2HI 2 “register_operand” “d,d,d,d”) (parallel [(match_operand 4 “const01_operand” “P0,P0,P1,P1”)]))))] "" “@ %0 = PACK (%h2,%h1); %0 = PACK (%h2,%d1); %0 = PACK (%d2,%h1); %0 = PACK (%d2,%d1);” [(set_attr “type” “dsp32”)])
(define_insn “movv2hi_hi” [(set (match_operand:HI 0 “register_operand” “=d,d,d”) (vec_select:HI (match_operand:V2HI 1 “register_operand” “0,d,d”) (parallel [(match_operand 2 “const01_operand” “P0,P0,P1”)])))] "" “@ /* optimized out */ %h0 = %h1 << 0; %h0 = %d1 << 0;” [(set_attr “type” “dsp32”)])
(define_expand “movv2hi_hi_low” [(set (match_operand:HI 0 “register_operand” "") (vec_select:HI (match_operand:V2HI 1 “register_operand” "") (parallel [(const_int 0)])))] "" "")
(define_expand “movv2hi_hi_high” [(set (match_operand:HI 0 “register_operand” "") (vec_select:HI (match_operand:V2HI 1 “register_operand” "") (parallel [(const_int 1)])))] "" "")
;; Unusual arithmetic operations on 16 bit registers.
(define_insn “ssaddhi3” [(set (match_operand:HI 0 “register_operand” “=d”) (ss_plus:HI (match_operand:HI 1 “register_operand” “d”) (match_operand:HI 2 “register_operand” “d”)))] "" “%h0 = %h1 + %h2 (S);” [(set_attr “type” “dsp32”)])
(define_insn “sssubhi3” [(set (match_operand:HI 0 “register_operand” “=d”) (ss_minus:HI (match_operand:HI 1 “register_operand” “d”) (match_operand:HI 2 “register_operand” “d”)))] "" “%h0 = %h1 - %h2 (S);” [(set_attr “type” “dsp32”)])
;; V2HI vector insns
(define_insn “addv2hi3” [(set (match_operand:V2HI 0 “register_operand” “=d”) (plus:V2HI (match_operand:V2HI 1 “register_operand” “d”) (match_operand:V2HI 2 “register_operand” “d”)))] "" “%0 = %1 +|+ %2;” [(set_attr “type” “dsp32”)])
(define_insn “ssaddv2hi3” [(set (match_operand:V2HI 0 “register_operand” “=d”) (ss_plus:V2HI (match_operand:V2HI 1 “register_operand” “d”) (match_operand:V2HI 2 “register_operand” “d”)))] "" “%0 = %1 +|+ %2 (S);” [(set_attr “type” “dsp32”)])
(define_insn “subv2hi3” [(set (match_operand:V2HI 0 “register_operand” “=d”) (minus:V2HI (match_operand:V2HI 1 “register_operand” “d”) (match_operand:V2HI 2 “register_operand” “d”)))] "" “%0 = %1 -|- %2;” [(set_attr “type” “dsp32”)])
(define_insn “sssubv2hi3” [(set (match_operand:V2HI 0 “register_operand” “=d”) (ss_minus:V2HI (match_operand:V2HI 1 “register_operand” “d”) (match_operand:V2HI 2 “register_operand” “d”)))] "" “%0 = %1 -|- %2 (S);” [(set_attr “type” “dsp32”)])
(define_insn “addsubv2hi3” [(set (match_operand:V2HI 0 “register_operand” “=d”) (vec_concat:V2HI (plus:HI (vec_select:HI (match_operand:V2HI 1 “register_operand” “d”) (parallel [(const_int 0)])) (vec_select:HI (match_operand:V2HI 2 “register_operand” “d”) (parallel [(const_int 0)]))) (minus:HI (vec_select:HI (match_dup 1) (parallel [(const_int 1)])) (vec_select:HI (match_dup 2) (parallel [(const_int 1)])))))] "" “%0 = %1 +|- %2;” [(set_attr “type” “dsp32”)])
(define_insn “subaddv2hi3” [(set (match_operand:V2HI 0 “register_operand” “=d”) (vec_concat:V2HI (minus:HI (vec_select:HI (match_operand:V2HI 1 “register_operand” “d”) (parallel [(const_int 0)])) (vec_select:HI (match_operand:V2HI 2 “register_operand” “d”) (parallel [(const_int 0)]))) (plus:HI (vec_select:HI (match_dup 1) (parallel [(const_int 1)])) (vec_select:HI (match_dup 2) (parallel [(const_int 1)])))))] "" “%0 = %1 -|+ %2;” [(set_attr “type” “dsp32”)])
(define_insn “ssaddsubv2hi3” [(set (match_operand:V2HI 0 “register_operand” “=d”) (vec_concat:V2HI (ss_plus:HI (vec_select:HI (match_operand:V2HI 1 “register_operand” “d”) (parallel [(const_int 0)])) (vec_select:HI (match_operand:V2HI 2 “register_operand” “d”) (parallel [(const_int 0)]))) (ss_minus:HI (vec_select:HI (match_dup 1) (parallel [(const_int 1)])) (vec_select:HI (match_dup 2) (parallel [(const_int 1)])))))] "" “%0 = %1 +|- %2 (S);” [(set_attr “type” “dsp32”)])
(define_insn “sssubaddv2hi3” [(set (match_operand:V2HI 0 “register_operand” “=d”) (vec_concat:V2HI (ss_minus:HI (vec_select:HI (match_operand:V2HI 1 “register_operand” “d”) (parallel [(const_int 0)])) (vec_select:HI (match_operand:V2HI 2 “register_operand” “d”) (parallel [(const_int 0)]))) (ss_plus:HI (vec_select:HI (match_dup 1) (parallel [(const_int 1)])) (vec_select:HI (match_dup 2) (parallel [(const_int 1)])))))] "" “%0 = %1 -|+ %2 (S);” [(set_attr “type” “dsp32”)])
(define_insn “sublohiv2hi3” [(set (match_operand:HI 0 “register_operand” “=d”) (minus:HI (vec_select:HI (match_operand:V2HI 1 “register_operand” “d”) (parallel [(const_int 1)])) (vec_select:HI (match_operand:V2HI 2 “register_operand” “d”) (parallel [(const_int 0)]))))] "" “%h0 = %d1 - %h2;” [(set_attr “type” “dsp32”)])
(define_insn “subhilov2hi3” [(set (match_operand:HI 0 “register_operand” “=d”) (minus:HI (vec_select:HI (match_operand:V2HI 1 “register_operand” “d”) (parallel [(const_int 0)])) (vec_select:HI (match_operand:V2HI 2 “register_operand” “d”) (parallel [(const_int 1)]))))] "" “%h0 = %h1 - %d2;” [(set_attr “type” “dsp32”)])
(define_insn “sssublohiv2hi3” [(set (match_operand:HI 0 “register_operand” “=d”) (ss_minus:HI (vec_select:HI (match_operand:V2HI 1 “register_operand” “d”) (parallel [(const_int 1)])) (vec_select:HI (match_operand:V2HI 2 “register_operand” “d”) (parallel [(const_int 0)]))))] "" “%h0 = %d1 - %h2 (S);” [(set_attr “type” “dsp32”)])
(define_insn “sssubhilov2hi3” [(set (match_operand:HI 0 “register_operand” “=d”) (ss_minus:HI (vec_select:HI (match_operand:V2HI 1 “register_operand” “d”) (parallel [(const_int 0)])) (vec_select:HI (match_operand:V2HI 2 “register_operand” “d”) (parallel [(const_int 1)]))))] "" “%h0 = %h1 - %d2 (S);” [(set_attr “type” “dsp32”)])
(define_insn “addlohiv2hi3” [(set (match_operand:HI 0 “register_operand” “=d”) (plus:HI (vec_select:HI (match_operand:V2HI 1 “register_operand” “d”) (parallel [(const_int 1)])) (vec_select:HI (match_operand:V2HI 2 “register_operand” “d”) (parallel [(const_int 0)]))))] "" “%h0 = %d1 + %h2;” [(set_attr “type” “dsp32”)])
(define_insn “addhilov2hi3” [(set (match_operand:HI 0 “register_operand” “=d”) (plus:HI (vec_select:HI (match_operand:V2HI 1 “register_operand” “d”) (parallel [(const_int 0)])) (vec_select:HI (match_operand:V2HI 2 “register_operand” “d”) (parallel [(const_int 1)]))))] "" “%h0 = %h1 + %d2;” [(set_attr “type” “dsp32”)])
(define_insn “ssaddlohiv2hi3” [(set (match_operand:HI 0 “register_operand” “=d”) (ss_plus:HI (vec_select:HI (match_operand:V2HI 1 “register_operand” “d”) (parallel [(const_int 1)])) (vec_select:HI (match_operand:V2HI 2 “register_operand” “d”) (parallel [(const_int 0)]))))] "" “%h0 = %d1 + %h2 (S);” [(set_attr “type” “dsp32”)])
(define_insn “ssaddhilov2hi3” [(set (match_operand:HI 0 “register_operand” “=d”) (ss_plus:HI (vec_select:HI (match_operand:V2HI 1 “register_operand” “d”) (parallel [(const_int 0)])) (vec_select:HI (match_operand:V2HI 2 “register_operand” “d”) (parallel [(const_int 1)]))))] "" “%h0 = %h1 + %d2 (S);” [(set_attr “type” “dsp32”)])
(define_insn “sminv2hi3” [(set (match_operand:V2HI 0 “register_operand” “=d”) (smin:V2HI (match_operand:V2HI 1 “register_operand” “d”) (match_operand:V2HI 2 “register_operand” “d”)))] "" “%0 = MIN (%1, %2) (V);” [(set_attr “type” “dsp32”)])
(define_insn “smaxv2hi3” [(set (match_operand:V2HI 0 “register_operand” “=d”) (smax:V2HI (match_operand:V2HI 1 “register_operand” “d”) (match_operand:V2HI 2 “register_operand” “d”)))] "" “%0 = MAX (%1, %2) (V);” [(set_attr “type” “dsp32”)])
;; Multiplications.
;; The Blackfin allows a lot of different options, and we need many patterns to ;; cover most of the hardware's abilities. ;; There are a few simple patterns using MULT rtx codes, but most of them use ;; an unspec with a const_int operand that determines which flag to use in the ;; instruction. ;; There are variants for single and parallel multiplications. ;; There are variants which just use 16 bit lowparts as inputs, and variants ;; which allow the user to choose just which halves to use as input values. ;; There are variants which set D registers, variants which set accumulators, ;; variants which set both, some of them optionally using the accumulators as ;; inputs for multiply-accumulate operations.
(define_insn “flag_mulhi” [(set (match_operand:HI 0 “register_operand” “=d”) (unspec:HI [(match_operand:HI 1 “register_operand” “d”) (match_operand:HI 2 “register_operand” “d”) (match_operand 3 “const_int_operand” “n”)] UNSPEC_MUL_WITH_FLAG))] "" “%h0 = %h1 * %h2 %M3;” [(set_attr “type” “dsp32”)])
(define_insn “flag_mulhisi” [(set (match_operand:SI 0 “register_operand” “=d”) (unspec:SI [(match_operand:HI 1 “register_operand” “d”) (match_operand:HI 2 “register_operand” “d”) (match_operand 3 “const_int_operand” “n”)] UNSPEC_MUL_WITH_FLAG))] "" “%0 = %h1 * %h2 %M3;” [(set_attr “type” “dsp32”)])
(define_insn “flag_mulhisi_parts” [(set (match_operand:SI 0 “register_operand” “=d”) (unspec:SI [(vec_select:HI (match_operand:V2HI 1 “register_operand” “d”) (parallel [(match_operand 3 “const01_operand” “P0P1”)])) (vec_select:HI (match_operand:V2HI 2 “register_operand” “d”) (parallel [(match_operand 4 “const01_operand” “P0P1”)])) (match_operand 5 “const_int_operand” “n”)] UNSPEC_MUL_WITH_FLAG))] "" { const char *templates[] = { “%0 = %h1 * %h2 %M5;”, “%0 = %d1 * %h2 %M5;”, “%0 = %h1 * %d2 %M5;”, “%0 = %d1 * %d2 %M5;” }; int alt = INTVAL (operands[3]) + (INTVAL (operands[4]) << 1); return templates[alt]; } [(set_attr “type” “dsp32”)])
(define_insn “flag_machi” [(set (match_operand:HI 0 “register_operand” “=d”) (unspec:HI [(match_operand:HI 1 “register_operand” “d”) (match_operand:HI 2 “register_operand” “d”) (match_operand 3 “register_operand” “A”) (match_operand 4 “const01_operand” “P0P1”) (match_operand 5 “const_int_operand” “n”)] UNSPEC_MAC_WITH_FLAG)) (set (match_operand:PDI 6 “register_operand” “=A”) (unspec:PDI [(match_dup 1) (match_dup 2) (match_dup 3) (match_dup 4) (match_dup 5)] UNSPEC_MAC_WITH_FLAG))] "" “%h0 = (A0 %b4 %h1 * %h2) %M6;” [(set_attr “type” “dsp32”)])
(define_insn “flag_machi_acconly” [(set (match_operand:PDI 0 “register_operand” “=e”) (unspec:PDI [(match_operand:HI 1 “register_operand” “d”) (match_operand:HI 2 “register_operand” “d”) (match_operand 3 “register_operand” “A”) (match_operand 4 “const01_operand” “P0P1”) (match_operand 5 “const_int_operand” “n”)] UNSPEC_MAC_WITH_FLAG))] "" “%0 %b4 %h1 * %h2 %M6;” [(set_attr “type” “dsp32”)])
(define_insn “flag_macinithi” [(set (match_operand:HI 0 “register_operand” “=d”) (unspec:HI [(match_operand:HI 1 “register_operand” “d”) (match_operand:HI 2 “register_operand” “d”) (match_operand 3 “const_int_operand” “n”)] UNSPEC_MAC_WITH_FLAG)) (set (match_operand:PDI 4 “register_operand” “=A”) (unspec:PDI [(match_dup 1) (match_dup 2) (match_dup 3)] UNSPEC_MAC_WITH_FLAG))] "" “%h0 = (A0 = %h1 * %h2) %M3;” [(set_attr “type” “dsp32”)])
(define_insn “flag_macinit1hi” [(set (match_operand:PDI 0 “register_operand” “=e”) (unspec:PDI [(match_operand:HI 1 “register_operand” “d”) (match_operand:HI 2 “register_operand” “d”) (match_operand 3 “const_int_operand” “n”)] UNSPEC_MAC_WITH_FLAG))] "" “%0 = %h1 * %h2 %M3;” [(set_attr “type” “dsp32”)])
(define_insn “mulv2hi3” [(set (match_operand:V2HI 0 “register_operand” “=d”) (mult:V2HI (match_operand:V2HI 1 “register_operand” “d”) (match_operand:V2HI 2 “register_operand” “d”)))] "" “%h0 = %h1 * %h2, %d0 = %d1 * %d2 (IS);” [(set_attr “type” “dsp32”)])
(define_insn “flag_mulv2hi” [(set (match_operand:V2HI 0 “register_operand” “=d”) (unspec:V2HI [(match_operand:V2HI 1 “register_operand” “d”) (match_operand:V2HI 2 “register_operand” “d”) (match_operand 3 “const_int_operand” “n”)] UNSPEC_MUL_WITH_FLAG))] "" “%h0 = %h1 * %h2, %d0 = %d1 * %d2 %M3;” [(set_attr “type” “dsp32”)])
(define_insn “flag_mulv2hi_parts” [(set (match_operand:V2HI 0 “register_operand” “=d”) (unspec:V2HI [(vec_concat:V2HI (vec_select:HI (match_operand:V2HI 1 “register_operand” “d”) (parallel [(match_operand 3 “const01_operand” “P0P1”)])) (vec_select:HI (match_dup 1) (parallel [(match_operand 4 “const01_operand” “P0P1”)]))) (vec_concat:V2HI (vec_select:HI (match_operand:V2HI 2 “register_operand” “d”) (parallel [(match_operand 5 “const01_operand” “P0P1”)])) (vec_select:HI (match_dup 2) (parallel [(match_operand 6 “const01_operand” “P0P1”)]))) (match_operand 7 “const_int_operand” “n”)] UNSPEC_MUL_WITH_FLAG))] "" { const char *templates[] = { “%h0 = %h1 * %h2, %d0 = %h1 * %h2 %M7;”, “%h0 = %d1 * %h2, %d0 = %h1 * %h2 %M7;”, “%h0 = %h1 * %h2, %d0 = %d1 * %h2 %M7;”, “%h0 = %d1 * %h2, %d0 = %d1 * %h2 %M7;”, “%h0 = %h1 * %d2, %d0 = %h1 * %h2 %M7;”, “%h0 = %d1 * %d2, %d0 = %h1 * %h2 %M7;”, “%h0 = %h1 * %d2, %d0 = %d1 * %h2 %M7;”, “%h0 = %d1 * %d2, %d0 = %d1 * %h2 %M7;”, “%h0 = %h1 * %h2, %d0 = %h1 * %d2 %M7;”, “%h0 = %d1 * %h2, %d0 = %h1 * %d2 %M7;”, “%h0 = %h1 * %h2, %d0 = %d1 * %d2 %M7;”, “%h0 = %d1 * %h2, %d0 = %d1 * %d2 %M7;”, “%h0 = %h1 * %d2, %d0 = %h1 * %d2 %M7;”, “%h0 = %d1 * %d2, %d0 = %h1 * %d2 %M7;”, “%h0 = %h1 * %d2, %d0 = %d1 * %d2 %M7;”, “%h0 = %d1 * %d2, %d0 = %d1 * %d2 %M7;” }; int alt = (INTVAL (operands[3]) + (INTVAL (operands[4]) << 1) + (INTVAL (operands[5]) << 2) + (INTVAL (operands[6]) << 3)); return templates[alt]; } [(set_attr “type” “dsp32”)])
;; A slightly complicated pattern. ;; Operand 0 is the halfword output; operand 11 is the accumulator output ;; Halfword inputs are operands 1 and 2; operands 3, 4, 5 and 6 specify which ;; parts of these 2x16 bit registers to use. ;; Operand 7 is the accumulator input. ;; Operands 8/9 specify whether low/high parts are mac (0) or msu (1) ;; Operand 10 is the macflag to be used. (define_insn “flag_macv2hi_parts” [(set (match_operand:V2HI 0 “register_operand” “=d”) (unspec:V2HI [(vec_concat:V2HI (vec_select:HI (match_operand:V2HI 1 “register_operand” “d”) (parallel [(match_operand 3 “const01_operand” “P0P1”)])) (vec_select:HI (match_dup 1) (parallel [(match_operand 4 “const01_operand” “P0P1”)]))) (vec_concat:V2HI (vec_select:HI (match_operand:V2HI 2 “register_operand” “d”) (parallel [(match_operand 5 “const01_operand” “P0P1”)])) (vec_select:HI (match_dup 2) (parallel [(match_operand 6 “const01_operand” “P0P1”)]))) (match_operand:V2PDI 7 “register_operand” “e”) (match_operand 8 “const01_operand” “P0P1”) (match_operand 9 “const01_operand” “P0P1”) (match_operand 10 “const_int_operand” “n”)] UNSPEC_MAC_WITH_FLAG)) (set (match_operand:V2PDI 11 “register_operand” “=e”) (unspec:V2PDI [(vec_concat:V2HI (vec_select:HI (match_dup 1) (parallel [(match_dup 3)])) (vec_select:HI (match_dup 1) (parallel [(match_dup 4)]))) (vec_concat:V2HI (vec_select:HI (match_dup 2) (parallel [(match_dup 5)])) (vec_select:HI (match_dup 2) (parallel [(match_dup 5)]))) (match_dup 7) (match_dup 8) (match_dup 9) (match_dup 10)] UNSPEC_MAC_WITH_FLAG))] "" { const char *templates[] = { “%h0 = (A0 %b8 %h1 * %h2), %d0 = (A1 %b9 %h1 * %h2) %M10;”, “%h0 = (A0 %b8 %d1 * %h2), %d0 = (A1 %b9 %h1 * %h2) %M10;”, “%h0 = (A0 %b8 %h1 * %h2), %d0 = (A1 %b9 %d1 * %h2) %M10;”, “%h0 = (A0 %b8 %d1 * %h2), %d0 = (A1 %b9 %d1 * %h2) %M10;”, “%h0 = (A0 %b8 %h1 * %d2), %d0 = (A1 %b9 %h1 * %h2) %M10;”, “%h0 = (A0 %b8 %d1 * %d2), %d0 = (A1 %b9 %h1 * %h2) %M10;”, “%h0 = (A0 %b8 %h1 * %d2), %d0 = (A1 %b9 %d1 * %h2) %M10;”, “%h0 = (A0 %b8 %d1 * %d2), %d0 = (A1 %b9 %d1 * %h2) %M10;”, “%h0 = (A0 %b8 %h1 * %h2), %d0 = (A1 %b9 %h1 * %d2) %M10;”, “%h0 = (A0 %b8 %d1 * %h2), %d0 = (A1 %b9 %h1 * %d2) %M10;”, “%h0 = (A0 %b8 %h1 * %h2), %d0 = (A1 %b9 %d1 * %d2) %M10;”, “%h0 = (A0 %b8 %d1 * %h2), %d0 = (A1 %b9 %d1 * %d2) %M10;”, “%h0 = (A0 %b8 %h1 * %d2), %d0 = (A1 %b9 %h1 * %d2) %M10;”, “%h0 = (A0 %b8 %d1 * %d2), %d0 = (A1 %b9 %h1 * %d2) %M10;”, “%h0 = (A0 %b8 %h1 * %d2), %d0 = (A1 %b9 %d1 * %d2) %M10;”, “%h0 = (A0 %b8 %d1 * %d2), %d0 = (A1 %b9 %d1 * %d2) %M10;” }; int alt = (INTVAL (operands[3]) + (INTVAL (operands[4]) << 1) + (INTVAL (operands[5]) << 2) + (INTVAL (operands[6]) << 3)); return templates[alt]; } [(set_attr “type” “dsp32”)])
(define_insn “flag_macv2hi_parts_acconly” [(set (match_operand:V2PDI 0 “register_operand” “=e”) (unspec:V2PDI [(vec_concat:V2HI (vec_select:HI (match_operand:V2HI 1 “register_operand” “d”) (parallel [(match_operand 3 “const01_operand” “P0P1”)])) (vec_select:HI (match_dup 1) (parallel [(match_operand 4 “const01_operand” “P0P1”)]))) (vec_concat:V2HI (vec_select:HI (match_operand:V2HI 2 “register_operand” “d”) (parallel [(match_operand 5 “const01_operand” “P0P1”)])) (vec_select:HI (match_dup 2) (parallel [(match_operand 6 “const01_operand” “P0P1”)]))) (match_operand:V2PDI 7 “register_operand” “e”) (match_operand 8 “const01_operand” “P0P1”) (match_operand 9 “const01_operand” “P0P1”) (match_operand 10 “const_int_operand” “n”)] UNSPEC_MAC_WITH_FLAG))] "" { const char *templates[] = { “A0 %b8 %h1 * %h2, A1 %b9 %h1 * %h2 %M10;”, “A0 %b8 %d1 * %h2, A1 %b9 %h1 * %h2 %M10;”, “A0 %b8 %h1 * %h2, A1 %b9 %d1 * %h2 %M10;”, “A0 %b8 %d1 * %h2, A1 %b9 %d1 * %h2 %M10;”, “A0 %b8 %h1 * %d2, A1 %b9 %h1 * %h2 %M10;”, “A0 %b8 %d1 * %d2, A1 %b9 %h1 * %h2 %M10;”, “A0 %b8 %h1 * %d2, A1 %b9 %d1 * %h2 %M10;”, “A0 %b8 %d1 * %d2, A1 %b9 %d1 * %h2 %M10;”, “A0 %b8 %h1 * %h2, A1 %b9 %h1 * %d2 %M10;”, “A0 %b8 %d1 * %h2, A1 %b9 %h1 * %d2 %M10;”, “A0 %b8 %h1 * %h2, A1 %b9 %d1 * %d2 %M10;”, “A0 %b8 %d1 * %h2, A1 %b9 %d1 * %d2 %M10;”, “A0 %b8 %h1 * %d2, A1 %b9 %h1 * %d2 %M10;”, “A0 %b8 %d1 * %d2, A1 %b9 %h1 * %d2 %M10;”, “A0 %b8 %h1 * %d2, A1 %b9 %d1 * %d2 %M10;”, “A0 %b8 %d1 * %d2, A1 %b9 %d1 * %d2 %M10;” }; int alt = (INTVAL (operands[3]) + (INTVAL (operands[4]) << 1) + (INTVAL (operands[5]) << 2) + (INTVAL (operands[6]) << 3)); return templates[alt]; } [(set_attr “type” “dsp32”)])
;; Same as above, but initializing the accumulators and therefore a couple fewer ;; necessary operands. (define_insn “flag_macinitv2hi_parts” [(set (match_operand:V2HI 0 “register_operand” “=d”) (unspec:V2HI [(vec_concat:V2HI (vec_select:HI (match_operand:V2HI 1 “register_operand” “d”) (parallel [(match_operand 3 “const01_operand” “P0P1”)])) (vec_select:HI (match_dup 1) (parallel [(match_operand 4 “const01_operand” “P0P1”)]))) (vec_concat:V2HI (vec_select:HI (match_operand:V2HI 2 “register_operand” “d”) (parallel [(match_operand 5 “const01_operand” “P0P1”)])) (vec_select:HI (match_dup 2) (parallel [(match_operand 6 “const01_operand” “P0P1”)]))) (match_operand 7 “const_int_operand” “n”)] UNSPEC_MAC_WITH_FLAG)) (set (match_operand:V2PDI 8 “register_operand” “=e”) (unspec:V2PDI [(vec_concat:V2HI (vec_select:HI (match_dup 1) (parallel [(match_dup 3)])) (vec_select:HI (match_dup 1) (parallel [(match_dup 4)]))) (vec_concat:V2HI (vec_select:HI (match_dup 2) (parallel [(match_dup 5)])) (vec_select:HI (match_dup 2) (parallel [(match_dup 5)]))) (match_dup 7)] UNSPEC_MAC_WITH_FLAG))] "" { const char *templates[] = { “%h0 = (A0 = %h1 * %h2), %d0 = (A1 = %h1 * %h2) %M7;”, “%h0 = (A0 = %d1 * %h2), %d0 = (A1 = %h1 * %h2) %M7;”, “%h0 = (A0 = %h1 * %h2), %d0 = (A1 = %d1 * %h2) %M7;”, “%h0 = (A0 = %d1 * %h2), %d0 = (A1 = %d1 * %h2) %M7;”, “%h0 = (A0 = %h1 * %d2), %d0 = (A1 = %h1 * %h2) %M7;”, “%h0 = (A0 = %d1 * %d2), %d0 = (A1 = %h1 * %h2) %M7;”, “%h0 = (A0 = %h1 * %d2), %d0 = (A1 = %d1 * %h2) %M7;”, “%h0 = (A0 = %d1 * %d2), %d0 = (A1 = %d1 * %h2) %M7;”, “%h0 = (A0 = %h1 * %h2), %d0 = (A1 = %h1 * %d2) %M7;”, “%h0 = (A0 = %d1 * %h2), %d0 = (A1 = %h1 * %d2) %M7;”, “%h0 = (A0 = %h1 * %h2), %d0 = (A1 = %d1 * %d2) %M7;”, “%h0 = (A0 = %d1 * %h2), %d0 = (A1 = %d1 * %d2) %M7;”, “%h0 = (A0 = %h1 * %d2), %d0 = (A1 = %h1 * %d2) %M7;”, “%h0 = (A0 = %d1 * %d2), %d0 = (A1 = %h1 * %d2) %M7;”, “%h0 = (A0 = %h1 * %d2), %d0 = (A1 = %d1 * %d2) %M7;”, “%h0 = (A0 = %d1 * %d2), %d0 = (A1 = %d1 * %d2) %M7;” }; int alt = (INTVAL (operands[3]) + (INTVAL (operands[4]) << 1) + (INTVAL (operands[5]) << 2) + (INTVAL (operands[6]) << 3)); return templates[alt]; } [(set_attr “type” “dsp32”)])
(define_insn “flag_macinit1v2hi_parts” [(set (match_operand:V2PDI 0 “register_operand” “=e”) (unspec:V2PDI [(vec_concat:V2HI (vec_select:HI (match_operand:V2HI 1 “register_operand” “d”) (parallel [(match_operand 3 “const01_operand” “P0P1”)])) (vec_select:HI (match_dup 1) (parallel [(match_operand 4 “const01_operand” “P0P1”)]))) (vec_concat:V2HI (vec_select:HI (match_operand:V2HI 2 “register_operand” “d”) (parallel [(match_operand 5 “const01_operand” “P0P1”)])) (vec_select:HI (match_dup 2) (parallel [(match_operand 6 “const01_operand” “P0P1”)]))) (match_operand 7 “const_int_operand” “n”)] UNSPEC_MAC_WITH_FLAG))] "" { const char *templates[] = { “A0 = %h1 * %h2, A1 = %h1 * %h2 %M7;”, “A0 = %d1 * %h2, A1 = %h1 * %h2 %M7;”, “A0 = %h1 * %h2, A1 = %d1 * %h2 %M7;”, “A0 = %d1 * %h2, A1 = %d1 * %h2 %M7;”, “A0 = %h1 * %d2, A1 = %h1 * %h2 %M7;”, “A0 = %d1 * %d2, A1 = %h1 * %h2 %M7;”, “A0 = %h1 * %d2, A1 = %d1 * %h2 %M7;”, “A0 = %d1 * %d2, A1 = %d1 * %h2 %M7;”, “A0 = %h1 * %h2, A1 = %h1 * %d2 %M7;”, “A0 = %d1 * %h2, A1 = %h1 * %d2 %M7;”, “A0 = %h1 * %h2, A1 = %d1 * %d2 %M7;”, “A0 = %d1 * %h2, A1 = %d1 * %d2 %M7;”, “A0 = %h1 * %d2, A1 = %h1 * %d2 %M7;”, “A0 = %d1 * %d2, A1 = %h1 * %d2 %M7;”, “A0 = %h1 * %d2, A1 = %d1 * %d2 %M7;”, “A0 = %d1 * %d2, A1 = %d1 * %d2 %M7;” }; int alt = (INTVAL (operands[3]) + (INTVAL (operands[4]) << 1) + (INTVAL (operands[5]) << 2) + (INTVAL (operands[6]) << 3)); return templates[alt]; } [(set_attr “type” “dsp32”)])
(define_insn “mulhisi_ll” [(set (match_operand:SI 0 “register_operand” “=d”) (mult:SI (sign_extend:SI (vec_select:HI (match_operand:V2HI 1 “register_operand” “%d”) (parallel [(const_int 0)]))) (sign_extend:SI (vec_select:HI (match_operand:V2HI 2 “register_operand” “d”) (parallel [(const_int 0)])))))] "" “%0 = %h1 * %h2 (IS);” [(set_attr “type” “dsp32”)])
(define_insn “mulhisi_lh” [(set (match_operand:SI 0 “register_operand” “=d”) (mult:SI (sign_extend:SI (vec_select:HI (match_operand:V2HI 1 “register_operand” “%d”) (parallel [(const_int 0)]))) (sign_extend:SI (vec_select:HI (match_operand:V2HI 2 “register_operand” “d”) (parallel [(const_int 1)])))))] "" “%0 = %h1 * %d2 (IS);” [(set_attr “type” “dsp32”)])
(define_insn “mulhisi_hl” [(set (match_operand:SI 0 “register_operand” “=d”) (mult:SI (sign_extend:SI (vec_select:HI (match_operand:V2HI 1 “register_operand” “%d”) (parallel [(const_int 1)]))) (sign_extend:SI (vec_select:HI (match_operand:V2HI 2 “register_operand” “d”) (parallel [(const_int 0)])))))] "" “%0 = %d1 * %h2 (IS);” [(set_attr “type” “dsp32”)])
(define_insn “mulhisi_hh” [(set (match_operand:SI 0 “register_operand” “=d”) (mult:SI (sign_extend:SI (vec_select:HI (match_operand:V2HI 1 “register_operand” “%d”) (parallel [(const_int 1)]))) (sign_extend:SI (vec_select:HI (match_operand:V2HI 2 “register_operand” “d”) (parallel [(const_int 1)])))))] "" “%0 = %d1 * %d2 (IS);” [(set_attr “type” “dsp32”)])
(define_insn “ssnegv2hi2” [(set (match_operand:V2HI 0 “register_operand” “=d”) (ss_neg:V2HI (match_operand:V2HI 1 “register_operand” “d”)))] "" “%0 = - %1 (V);” [(set_attr “type” “dsp32”)])
(define_insn “absv2hi2” [(set (match_operand:V2HI 0 “register_operand” “=d”) (abs:V2HI (match_operand:V2HI 1 “register_operand” “d”)))] "" “%0 = ABS %1 (V);” [(set_attr “type” “dsp32”)])
;; Shifts.
(define_insn “ssashiftv2hi3” [(set (match_operand:V2HI 0 “register_operand” “=d,d,d”) (if_then_else:V2HI (lt (match_operand:SI 2 “vec_shift_operand” “d,Ku4,Ks4”) (const_int 0)) (ashiftrt:V2HI (match_operand:V2HI 1 “register_operand” “d,d,d”) (match_dup 2)) (ss_ashift:V2HI (match_dup 1) (match_dup 2))))] "" “@ %0 = ASHIFT %1 BY %2 (V, S); %0 = %1 >>> %2 (V,S); %0 = %1 << %2 (V,S);” [(set_attr “type” “dsp32”)])
(define_insn “ssashifthi3” [(set (match_operand:HI 0 “register_operand” “=d,d,d”) (if_then_else:HI (lt (match_operand:SI 2 “vec_shift_operand” “d,Ku4,Ks4”) (const_int 0)) (ashiftrt:HI (match_operand:HI 1 “register_operand” “d,d,d”) (match_dup 2)) (ss_ashift:HI (match_dup 1) (match_dup 2))))] "" “@ %0 = ASHIFT %1 BY %2 (V, S); %0 = %1 >>> %2 (V,S); %0 = %1 << %2 (V,S);” [(set_attr “type” “dsp32”)])
(define_insn “lshiftv2hi3” [(set (match_operand:V2HI 0 “register_operand” “=d,d,d”) (if_then_else:V2HI (lt (match_operand:SI 2 “vec_shift_operand” “d,Ku4,Ks4”) (const_int 0)) (lshiftrt:V2HI (match_operand:V2HI 1 “register_operand” “d,d,d”) (match_dup 2)) (ashift:V2HI (match_dup 1) (match_dup 2))))] "" “@ %0 = LSHIFT %1 BY %2 (V); %0 = %1 >> %2 (V); %0 = %1 << %2 (V);” [(set_attr “type” “dsp32”)])
(define_insn “lshifthi3” [(set (match_operand:HI 0 “register_operand” “=d,d,d”) (if_then_else:HI (lt (match_operand:SI 2 “vec_shift_operand” “d,Ku4,Ks4”) (const_int 0)) (lshiftrt:HI (match_operand:HI 1 “register_operand” “d,d,d”) (match_dup 2)) (ashift:HI (match_dup 1) (match_dup 2))))] "" “@ %0 = LSHIFT %1 BY %2 (V); %0 = %1 >> %2 (V); %0 = %1 << %2 (V);” [(set_attr “type” “dsp32”)])