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jeremybenn |
;;- Machine description for the pdp11 for GNU C compiler
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;; Copyright (C) 1994, 1995, 1997, 1998, 1999, 2000, 2001, 2004, 2005
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;; 2007, 2008 Free Software Foundation, Inc.
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;; Contributed by Michael K. Gschwind (mike@vlsivie.tuwien.ac.at).
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;; This file is part of GCC.
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;; GCC is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation; either version 3, or (at your option)
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;; any later version.
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;; GCC is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GCC; see the file COPYING3. If not see
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;; .
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;; Match CONST_DOUBLE zero for tstd/tstf.
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(define_predicate "register_or_const0_operand"
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(ior (match_operand 0 "register_operand")
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(match_test "op == CONST0_RTX (GET_MODE (op))")))
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;; HI is 16 bit
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;; QI is 8 bit
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;;- See file "rtl.def" for documentation on define_insn, match_*, et. al.
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;;- cpp macro #define NOTICE_UPDATE_CC in file tm.h handles condition code
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;;- updates for most instructions.
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;;- Operand classes for the register allocator:
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;; Compare instructions.
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;; currently we only support df floats, which saves us quite some
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;; hassle switching the FP mode!
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;; we assume that CPU is always in long float mode, and
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;; 16 bit integer mode - currently, the prologue for main does this,
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;; but maybe we should just set up a NEW crt0 properly,
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;; -- and what about signal handling code?
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;; (we don't even let sf floats in the register file, so
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;; we only should have to worry about truncating and widening
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;; when going to memory)
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;; abort() call by g++ - must define libfunc for cmp_optab
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;; and ucmp_optab for mode SImode, because we don't have that!!!
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;; - yet since no libfunc is there, we abort ()
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;; The only thing that remains to be done then is output
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;; the floats in a way the assembler can handle it (and
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;; if you're really into it, use a PDP11 float emulation
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;; library to do floating point constant folding - but
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;; I guess you'll get reasonable results even when not
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;; doing this)
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;; the last thing to do is fix the UPDATE_CC macro to check
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;; for floating point condition codes, and set cc_status
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;; properly, also setting the CC_IN_FCCR flag.
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;; define attributes
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;; currently type is only fpu or arith or unknown, maybe branch later ?
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;; default is arith
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(define_attr "type" "unknown,arith,fp" (const_string "arith"))
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;; length default is 1 word each
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(define_attr "length" "" (const_int 1))
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;; a user's asm statement
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(define_asm_attributes
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[(set_attr "type" "unknown")
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; all bets are off how long it is - make it 256, forces long jumps
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; whenever jumping around it !!!
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(set_attr "length" "256")])
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;; define function units
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;; arithmetic - values here immediately when next insn issued
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;; or does it mean the number of cycles after this insn was issued?
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;; how do I say that fpu insns use cpu also? (pre-interaction phase)
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;(define_function_unit "cpu" 1 1 (eq_attr "type" "arith") 0 0)
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;(define_function_unit "fpu" 1 1 (eq_attr "type" "fp") 0 0)
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;; compare
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(define_insn "*cmpdf"
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[(set (cc0)
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(compare (match_operand:DF 0 "general_operand" "fR,fR,Q,Q,F")
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(match_operand:DF 1 "register_or_const0_operand" "G,a,G,a,a")))]
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"TARGET_FPU"
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"*
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{
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cc_status.flags = CC_IN_FPU;
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if (which_alternative == 0 || which_alternative == 2)
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return \"{tstd|tstf} %0, %1\;cfcc\";
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else
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return \"{cmpd|cmpf} %0, %1\;cfcc\";
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}"
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[(set_attr "length" "2,2,3,3,6")])
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(define_insn "*cmphi"
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[(set (cc0)
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(compare (match_operand:HI 0 "general_operand" "rR,rR,rR,Q,Qi,Qi")
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(match_operand:HI 1 "general_operand" "N,rR,Qi,N,rR,Qi")))]
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""
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"@
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tst %0
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cmp %0,%1
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cmp %0,%1
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tst %0
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cmp %0,%1
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cmp %0,%1"
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[(set_attr "length" "1,1,2,2,2,3")])
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(define_insn "*cmpqi"
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[(set (cc0)
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(compare (match_operand:QI 0 "general_operand" "rR,rR,rR,Q,Qi,Qi")
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(match_operand:QI 1 "general_operand" "N,rR,Qi,N,rR,Qi")))]
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""
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"@
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tstb %0
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cmpb %0,%1
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cmpb %0,%1
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tstb %0
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cmpb %0,%1
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cmpb %0,%1"
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[(set_attr "length" "1,1,2,2,2,3")])
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;; sob instruction - we need an assembler which can make this instruction
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;; valid under _all_ circumstances!
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(define_insn ""
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[(set (pc)
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(if_then_else
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(ne (plus:HI (match_operand:HI 0 "register_operand" "+r")
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(const_int -1))
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(const_int 0))
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(label_ref (match_operand 1 "" ""))
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(pc)))
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(set (match_dup 0)
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(plus:HI (match_dup 0)
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(const_int -1)))]
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"TARGET_40_PLUS"
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"*
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{
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static int labelcount = 0;
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static char buf[1000];
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if (get_attr_length (insn) == 1)
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return \"sob %0, %l1\";
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/* emulate sob */
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output_asm_insn (\"dec %0\", operands);
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sprintf (buf, \"bge LONG_SOB%d\", labelcount);
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output_asm_insn (buf, NULL);
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output_asm_insn (\"jmp %l1\", operands);
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sprintf (buf, \"LONG_SOB%d:\", labelcount++);
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output_asm_insn (buf, NULL);
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return \"\";
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}"
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[(set (attr "length") (if_then_else (ior (le (minus (match_dup 0)
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(pc))
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(const_int -256))
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(ge (minus (match_dup 0)
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(pc))
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(const_int 0)))
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(const_int 4)
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(const_int 1)))])
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;; These control RTL generation for conditional jump insns
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;; and match them for register allocation.
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(define_expand "cbranchdf4"
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[(set (cc0)
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(compare (match_operand:DF 1 "general_operand")
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(match_operand:DF 2 "general_operand")))
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(set (pc)
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(if_then_else (match_operator 0 "ordered_comparison_operator"
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[(cc0) (const_int 0)])
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(label_ref (match_operand 3 "" ""))
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(pc)))]
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""
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"")
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(define_expand "cbranchhi4"
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[(set (cc0)
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(compare (match_operand:HI 1 "general_operand")
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(match_operand:HI 2 "general_operand")))
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(set (pc)
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(if_then_else (match_operator 0 "ordered_comparison_operator"
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[(cc0) (const_int 0)])
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(label_ref (match_operand 3 "" ""))
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(pc)))]
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""
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"")
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(define_expand "cbranchqi4"
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[(set (cc0)
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(compare (match_operand:QI 1 "general_operand")
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(match_operand:QI 2 "general_operand")))
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(set (pc)
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(if_then_else (match_operator 0 "ordered_comparison_operator"
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[(cc0) (const_int 0)])
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(label_ref (match_operand 3 "" ""))
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(pc)))]
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""
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"")
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;; problem with too short jump distance! we need an assembler which can
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;; make this valid for all jump distances!
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;; e.g. gas!
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;; these must be changed to check for CC_IN_FCCR if float is to be
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;; enabled
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(define_insn "*branch"
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[(set (pc)
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(if_then_else (match_operator 0 "ordered_comparison_operator"
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[(cc0) (const_int 0)])
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(label_ref (match_operand 1 "" ""))
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(pc)))]
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""
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"* return output_jump(GET_CODE (operands[0]), 0, get_attr_length(insn));"
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[(set (attr "length") (if_then_else (ior (le (minus (match_dup 1)
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(pc))
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(const_int -128))
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(ge (minus (match_dup 1)
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(pc))
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(const_int 128)))
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(const_int 3)
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(const_int 1)))])
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;; These match inverted jump insns for register allocation.
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(define_insn "*branch_inverted"
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[(set (pc)
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(if_then_else (match_operator 0 "ordered_comparison_operator"
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[(cc0) (const_int 0)])
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(pc)
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(label_ref (match_operand 1 "" ""))))]
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""
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"* return output_jump(GET_CODE (operands[0]), 1, get_attr_length(insn));"
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[(set (attr "length") (if_then_else (ior (le (minus (match_dup 1)
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(pc))
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(const_int -128))
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(ge (minus (match_dup 1)
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(pc))
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(const_int 128)))
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(const_int 3)
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(const_int 1)))])
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;; Move instructions
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(define_insn "movdi"
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[(set (match_operand:DI 0 "general_operand" "=g,rm,o")
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(match_operand:DI 1 "general_operand" "m,r,a"))]
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""
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"* return output_move_quad (operands);"
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;; what's the mose expensive code - say twice movsi = 16
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[(set_attr "length" "16,16,16")])
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(define_insn "movsi"
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[(set (match_operand:SI 0 "general_operand" "=r,r,r,rm,m")
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(match_operand:SI 1 "general_operand" "rN,IJ,K,m,r"))]
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""
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"* return output_move_double (operands);"
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;; what's the most expensive code ? - I think 8!
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;; we could split it up and make several sub-cases...
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[(set_attr "length" "2,3,4,8,8")])
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(define_insn "movhi"
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[(set (match_operand:HI 0 "general_operand" "=rR,rR,Q,Q")
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(match_operand:HI 1 "general_operand" "rRN,Qi,rRN,Qi"))]
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""
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"*
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{
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if (operands[1] == const0_rtx)
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return \"clr %0\";
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return \"mov %1, %0\";
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}"
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[(set_attr "length" "1,2,2,3")])
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(define_insn "movqi"
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[(set (match_operand:QI 0 "nonimmediate_operand" "=g")
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(match_operand:QI 1 "general_operand" "g"))]
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""
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"*
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{
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if (operands[1] == const0_rtx)
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return \"clrb %0\";
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return \"movb %1, %0\";
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}"
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[(set_attr "length" "1")])
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;; do we have to supply all these moves? e.g. to
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;; NO_LOAD_FPU_REGs ?
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(define_insn "movdf"
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[(set (match_operand:DF 0 "general_operand" "=a,fR,a,Q,m")
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(match_operand:DF 1 "general_operand" "fFR,a,Q,a,m"))]
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""
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"* if (which_alternative ==0)
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return \"ldd %1, %0\";
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else if (which_alternative == 1)
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return \"std %1, %0\";
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else
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return output_move_quad (operands); "
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;; just a guess..
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[(set_attr "length" "1,1,5,5,16")])
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321 |
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(define_insn "movsf"
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[(set (match_operand:SF 0 "general_operand" "=g,r,g")
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(match_operand:SF 1 "general_operand" "r,rmF,g"))]
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"TARGET_FPU"
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"* return output_move_double (operands);"
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[(set_attr "length" "8,8,8")])
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;; maybe fiddle a bit with move_ratio, then
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;; let constraints only accept a register ...
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(define_expand "movmemhi"
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[(parallel [(set (match_operand:BLK 0 "general_operand" "=g,g")
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(match_operand:BLK 1 "general_operand" "g,g"))
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(use (match_operand:HI 2 "arith_operand" "n,&mr"))
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(use (match_operand:HI 3 "immediate_operand" "i,i"))
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(clobber (match_scratch:HI 4 "=&r,X"))
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(clobber (match_dup 5))
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(clobber (match_dup 6))
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(clobber (match_dup 2))])]
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|
|
"(TARGET_BCOPY_BUILTIN)"
|
341 |
|
|
"
|
342 |
|
|
{
|
343 |
|
|
operands[0]
|
344 |
|
|
= replace_equiv_address (operands[0],
|
345 |
|
|
copy_to_mode_reg (Pmode, XEXP (operands[0], 0)));
|
346 |
|
|
operands[1]
|
347 |
|
|
= replace_equiv_address (operands[1],
|
348 |
|
|
copy_to_mode_reg (Pmode, XEXP (operands[1], 0)));
|
349 |
|
|
|
350 |
|
|
operands[5] = XEXP (operands[0], 0);
|
351 |
|
|
operands[6] = XEXP (operands[1], 0);
|
352 |
|
|
}")
|
353 |
|
|
|
354 |
|
|
|
355 |
|
|
(define_insn "" ; "movmemhi"
|
356 |
|
|
[(set (mem:BLK (match_operand:HI 0 "general_operand" "=r,r"))
|
357 |
|
|
(mem:BLK (match_operand:HI 1 "general_operand" "r,r")))
|
358 |
|
|
(use (match_operand:HI 2 "arith_operand" "n,&r"))
|
359 |
|
|
(use (match_operand:HI 3 "immediate_operand" "i,i"))
|
360 |
|
|
(clobber (match_scratch:HI 4 "=&r,X"))
|
361 |
|
|
(clobber (match_dup 0))
|
362 |
|
|
(clobber (match_dup 1))
|
363 |
|
|
(clobber (match_dup 2))]
|
364 |
|
|
"(TARGET_BCOPY_BUILTIN)"
|
365 |
|
|
"* return output_block_move (operands);"
|
366 |
|
|
;;; just a guess
|
367 |
|
|
[(set_attr "length" "40")])
|
368 |
|
|
|
369 |
|
|
|
370 |
|
|
|
371 |
|
|
;;- truncation instructions
|
372 |
|
|
|
373 |
|
|
(define_insn "truncdfsf2"
|
374 |
|
|
[(set (match_operand:SF 0 "general_operand" "=r,R,Q")
|
375 |
|
|
(float_truncate:SF (match_operand:DF 1 "register_operand" "a,a,a")))]
|
376 |
|
|
"TARGET_FPU"
|
377 |
|
|
"* if (which_alternative ==0)
|
378 |
|
|
{
|
379 |
|
|
output_asm_insn(\"{stcdf|movfo} %1, -(sp)\", operands);
|
380 |
|
|
output_asm_insn(\"mov (sp)+, %0\", operands);
|
381 |
|
|
operands[0] = gen_rtx_REG (HImode, REGNO (operands[0])+1);
|
382 |
|
|
output_asm_insn(\"mov (sp)+, %0\", operands);
|
383 |
|
|
return \"\";
|
384 |
|
|
}
|
385 |
|
|
else if (which_alternative == 1)
|
386 |
|
|
return \"{stcdf|movfo} %1, %0\";
|
387 |
|
|
else
|
388 |
|
|
return \"{stcdf|movfo} %1, %0\";
|
389 |
|
|
"
|
390 |
|
|
[(set_attr "length" "3,1,2")])
|
391 |
|
|
|
392 |
|
|
|
393 |
|
|
(define_expand "truncsihi2"
|
394 |
|
|
[(set (match_operand:HI 0 "general_operand" "=g")
|
395 |
|
|
(subreg:HI
|
396 |
|
|
(match_operand:SI 1 "general_operand" "or")
|
397 |
|
|
0))]
|
398 |
|
|
""
|
399 |
|
|
"")
|
400 |
|
|
|
401 |
|
|
|
402 |
|
|
;;- zero extension instructions
|
403 |
|
|
|
404 |
|
|
(define_insn "zero_extendqihi2"
|
405 |
|
|
[(set (match_operand:HI 0 "general_operand" "=r")
|
406 |
|
|
(zero_extend:HI (match_operand:QI 1 "general_operand" "0")))]
|
407 |
|
|
""
|
408 |
|
|
"bic $0177400, %0"
|
409 |
|
|
[(set_attr "length" "2")])
|
410 |
|
|
|
411 |
|
|
(define_expand "zero_extendhisi2"
|
412 |
|
|
[(set (subreg:HI
|
413 |
|
|
(match_dup 0)
|
414 |
|
|
2)
|
415 |
|
|
(match_operand:HI 1 "register_operand" "r"))
|
416 |
|
|
(set (subreg:HI
|
417 |
|
|
(match_operand:SI 0 "register_operand" "=r")
|
418 |
|
|
0)
|
419 |
|
|
(const_int 0))]
|
420 |
|
|
""
|
421 |
|
|
"/* operands[1] = make_safe_from (operands[1], operands[0]); */")
|
422 |
|
|
|
423 |
|
|
|
424 |
|
|
;;- sign extension instructions
|
425 |
|
|
|
426 |
|
|
(define_insn "extendsfdf2"
|
427 |
|
|
[(set (match_operand:DF 0 "register_operand" "=a,a,a")
|
428 |
|
|
(float_extend:DF (match_operand:SF 1 "general_operand" "r,R,Q")))]
|
429 |
|
|
"TARGET_FPU"
|
430 |
|
|
"@
|
431 |
|
|
mov %1, -(sp)\;{ldcfd|movof} (sp)+,%0
|
432 |
|
|
{ldcfd|movof} %1, %0
|
433 |
|
|
{ldcfd|movof} %1, %0"
|
434 |
|
|
[(set_attr "length" "2,1,2")])
|
435 |
|
|
|
436 |
|
|
;; does movb sign extend in register-to-register move?
|
437 |
|
|
(define_insn "extendqihi2"
|
438 |
|
|
[(set (match_operand:HI 0 "register_operand" "=r,r")
|
439 |
|
|
(sign_extend:HI (match_operand:QI 1 "general_operand" "rR,Q")))]
|
440 |
|
|
""
|
441 |
|
|
"movb %1, %0"
|
442 |
|
|
[(set_attr "length" "1,2")])
|
443 |
|
|
|
444 |
|
|
(define_insn "extendqisi2"
|
445 |
|
|
[(set (match_operand:SI 0 "register_operand" "=r,r")
|
446 |
|
|
(sign_extend:SI (match_operand:QI 1 "general_operand" "rR,Q")))]
|
447 |
|
|
"TARGET_40_PLUS"
|
448 |
|
|
"*
|
449 |
|
|
{
|
450 |
|
|
rtx latehalf[2];
|
451 |
|
|
|
452 |
|
|
/* make register pair available */
|
453 |
|
|
latehalf[0] = operands[0];
|
454 |
|
|
operands[0] = gen_rtx_REG (HImode, REGNO (operands[0])+ 1);
|
455 |
|
|
|
456 |
|
|
output_asm_insn(\"movb %1, %0\", operands);
|
457 |
|
|
output_asm_insn(\"sxt %0\", latehalf);
|
458 |
|
|
|
459 |
|
|
return \"\";
|
460 |
|
|
}"
|
461 |
|
|
[(set_attr "length" "2,3")])
|
462 |
|
|
|
463 |
|
|
;; maybe we have to use define_expand to say that we have the instruction,
|
464 |
|
|
;; unconditionally, and then match dependent on CPU type:
|
465 |
|
|
|
466 |
|
|
(define_expand "extendhisi2"
|
467 |
|
|
[(set (match_operand:SI 0 "general_operand" "=g")
|
468 |
|
|
(sign_extend:SI (match_operand:HI 1 "general_operand" "g")))]
|
469 |
|
|
""
|
470 |
|
|
"")
|
471 |
|
|
|
472 |
|
|
(define_insn "" ; "extendhisi2"
|
473 |
|
|
[(set (match_operand:SI 0 "general_operand" "=o,<,r")
|
474 |
|
|
(sign_extend:SI (match_operand:HI 1 "general_operand" "g,g,g")))]
|
475 |
|
|
"TARGET_40_PLUS"
|
476 |
|
|
"*
|
477 |
|
|
{
|
478 |
|
|
rtx latehalf[2];
|
479 |
|
|
|
480 |
|
|
/* we don't want to mess with auto increment */
|
481 |
|
|
|
482 |
|
|
switch (which_alternative)
|
483 |
|
|
{
|
484 |
|
|
case 0:
|
485 |
|
|
|
486 |
|
|
latehalf[0] = operands[0];
|
487 |
|
|
operands[0] = adjust_address(operands[0], HImode, 2);
|
488 |
|
|
|
489 |
|
|
output_asm_insn(\"mov %1, %0\", operands);
|
490 |
|
|
output_asm_insn(\"sxt %0\", latehalf);
|
491 |
|
|
|
492 |
|
|
return \"\";
|
493 |
|
|
|
494 |
|
|
case 1:
|
495 |
|
|
|
496 |
|
|
/* - auto-decrement - right direction ;-) */
|
497 |
|
|
output_asm_insn(\"mov %1, %0\", operands);
|
498 |
|
|
output_asm_insn(\"sxt %0\", operands);
|
499 |
|
|
|
500 |
|
|
return \"\";
|
501 |
|
|
|
502 |
|
|
case 2:
|
503 |
|
|
|
504 |
|
|
/* make register pair available */
|
505 |
|
|
latehalf[0] = operands[0];
|
506 |
|
|
operands[0] = gen_rtx_REG (HImode, REGNO (operands[0]) + 1);
|
507 |
|
|
|
508 |
|
|
output_asm_insn(\"mov %1, %0\", operands);
|
509 |
|
|
output_asm_insn(\"sxt %0\", latehalf);
|
510 |
|
|
|
511 |
|
|
return \"\";
|
512 |
|
|
|
513 |
|
|
default:
|
514 |
|
|
|
515 |
|
|
gcc_unreachable ();
|
516 |
|
|
}
|
517 |
|
|
}"
|
518 |
|
|
[(set_attr "length" "5,3,3")])
|
519 |
|
|
|
520 |
|
|
|
521 |
|
|
(define_insn ""
|
522 |
|
|
[(set (match_operand:SI 0 "register_operand" "=r")
|
523 |
|
|
(sign_extend:SI (match_operand:HI 1 "general_operand" "0")))]
|
524 |
|
|
"(! TARGET_40_PLUS)"
|
525 |
|
|
"*
|
526 |
|
|
{
|
527 |
|
|
static int count = 0;
|
528 |
|
|
char buf[100];
|
529 |
|
|
rtx lateoperands[2];
|
530 |
|
|
|
531 |
|
|
lateoperands[0] = operands[0];
|
532 |
|
|
operands[0] = gen_rtx_REG (HImode, REGNO (operands[0]) + 1);
|
533 |
|
|
|
534 |
|
|
output_asm_insn(\"tst %0\", operands);
|
535 |
|
|
sprintf(buf, \"bge extendhisi%d\", count);
|
536 |
|
|
output_asm_insn(buf, NULL);
|
537 |
|
|
output_asm_insn(\"mov -1, %0\", lateoperands);
|
538 |
|
|
sprintf(buf, \"bne extendhisi%d\", count+1);
|
539 |
|
|
output_asm_insn(buf, NULL);
|
540 |
|
|
sprintf(buf, \"\\nextendhisi%d:\", count);
|
541 |
|
|
output_asm_insn(buf, NULL);
|
542 |
|
|
output_asm_insn(\"clr %0\", lateoperands);
|
543 |
|
|
sprintf(buf, \"\\nextendhisi%d:\", count+1);
|
544 |
|
|
output_asm_insn(buf, NULL);
|
545 |
|
|
|
546 |
|
|
count += 2;
|
547 |
|
|
|
548 |
|
|
return \"\";
|
549 |
|
|
}"
|
550 |
|
|
[(set_attr "length" "6")])
|
551 |
|
|
|
552 |
|
|
;; make float to int and vice versa
|
553 |
|
|
;; using the cc_status.flag field we could probably cut down
|
554 |
|
|
;; on seti and setl
|
555 |
|
|
;; assume that we are normally in double and integer mode -
|
556 |
|
|
;; what do pdp library routines do to fpu mode ?
|
557 |
|
|
|
558 |
|
|
(define_insn "floatsidf2"
|
559 |
|
|
[(set (match_operand:DF 0 "register_operand" "=a,a,a")
|
560 |
|
|
(float:DF (match_operand:SI 1 "general_operand" "r,R,Q")))]
|
561 |
|
|
"TARGET_FPU"
|
562 |
|
|
"* if (which_alternative ==0)
|
563 |
|
|
{
|
564 |
|
|
rtx latehalf[2];
|
565 |
|
|
|
566 |
|
|
latehalf[0] = NULL;
|
567 |
|
|
latehalf[1] = gen_rtx_REG (HImode, REGNO (operands[1]) + 1);
|
568 |
|
|
output_asm_insn(\"mov %1, -(sp)\", latehalf);
|
569 |
|
|
output_asm_insn(\"mov %1, -(sp)\", operands);
|
570 |
|
|
|
571 |
|
|
output_asm_insn(\"setl\", operands);
|
572 |
|
|
output_asm_insn(\"{ldcld|movif} (sp)+, %0\", operands);
|
573 |
|
|
output_asm_insn(\"seti\", operands);
|
574 |
|
|
return \"\";
|
575 |
|
|
}
|
576 |
|
|
else if (which_alternative == 1)
|
577 |
|
|
return \"setl\;{ldcld|movif} %1, %0\;seti\";
|
578 |
|
|
else
|
579 |
|
|
return \"setl\;{ldcld|movif} %1, %0\;seti\";
|
580 |
|
|
"
|
581 |
|
|
[(set_attr "length" "5,3,4")])
|
582 |
|
|
|
583 |
|
|
(define_insn "floathidf2"
|
584 |
|
|
[(set (match_operand:DF 0 "register_operand" "=a,a")
|
585 |
|
|
(float:DF (match_operand:HI 1 "general_operand" "rR,Qi")))]
|
586 |
|
|
"TARGET_FPU"
|
587 |
|
|
"{ldcid|movif} %1, %0"
|
588 |
|
|
[(set_attr "length" "1,2")])
|
589 |
|
|
|
590 |
|
|
;; cut float to int
|
591 |
|
|
(define_insn "fix_truncdfsi2"
|
592 |
|
|
[(set (match_operand:SI 0 "general_operand" "=r,R,Q")
|
593 |
|
|
(fix:SI (fix:DF (match_operand:DF 1 "register_operand" "a,a,a"))))]
|
594 |
|
|
"TARGET_FPU"
|
595 |
|
|
"* if (which_alternative ==0)
|
596 |
|
|
{
|
597 |
|
|
output_asm_insn(\"setl\", operands);
|
598 |
|
|
output_asm_insn(\"{stcdl|movfi} %1, -(sp)\", operands);
|
599 |
|
|
output_asm_insn(\"seti\", operands);
|
600 |
|
|
output_asm_insn(\"mov (sp)+, %0\", operands);
|
601 |
|
|
operands[0] = gen_rtx_REG (HImode, REGNO (operands[0]) + 1);
|
602 |
|
|
output_asm_insn(\"mov (sp)+, %0\", operands);
|
603 |
|
|
return \"\";
|
604 |
|
|
}
|
605 |
|
|
else if (which_alternative == 1)
|
606 |
|
|
return \"setl\;{stcdl|movfi} %1, %0\;seti\";
|
607 |
|
|
else
|
608 |
|
|
return \"setl\;{stcdl|movfi} %1, %0\;seti\";
|
609 |
|
|
"
|
610 |
|
|
[(set_attr "length" "5,3,4")])
|
611 |
|
|
|
612 |
|
|
(define_insn "fix_truncdfhi2"
|
613 |
|
|
[(set (match_operand:HI 0 "general_operand" "=rR,Q")
|
614 |
|
|
(fix:HI (fix:DF (match_operand:DF 1 "register_operand" "a,a"))))]
|
615 |
|
|
"TARGET_FPU"
|
616 |
|
|
"{stcdi|movfi} %1, %0"
|
617 |
|
|
[(set_attr "length" "1,2")])
|
618 |
|
|
|
619 |
|
|
|
620 |
|
|
;;- arithmetic instructions
|
621 |
|
|
;;- add instructions
|
622 |
|
|
|
623 |
|
|
(define_insn "adddf3"
|
624 |
|
|
[(set (match_operand:DF 0 "register_operand" "=a,a,a")
|
625 |
|
|
(plus:DF (match_operand:DF 1 "register_operand" "%0,0,0")
|
626 |
|
|
(match_operand:DF 2 "general_operand" "fR,Q,F")))]
|
627 |
|
|
"TARGET_FPU"
|
628 |
|
|
"{addd|addf} %2, %0"
|
629 |
|
|
[(set_attr "length" "1,2,5")])
|
630 |
|
|
|
631 |
|
|
(define_insn "addsi3"
|
632 |
|
|
[(set (match_operand:SI 0 "general_operand" "=r,r,o,o,r,r,r,o,o,o")
|
633 |
|
|
(plus:SI (match_operand:SI 1 "general_operand" "%0,0,0,0,0,0,0,0,0,0")
|
634 |
|
|
(match_operand:SI 2 "general_operand" "r,o,r,o,I,J,K,I,J,K")))]
|
635 |
|
|
""
|
636 |
|
|
"*
|
637 |
|
|
{ /* Here we trust that operands don't overlap
|
638 |
|
|
|
639 |
|
|
or is lateoperands the low word?? - looks like it! */
|
640 |
|
|
|
641 |
|
|
rtx lateoperands[3];
|
642 |
|
|
|
643 |
|
|
lateoperands[0] = operands[0];
|
644 |
|
|
|
645 |
|
|
if (REG_P (operands[0]))
|
646 |
|
|
operands[0] = gen_rtx_REG (HImode, REGNO (operands[0]) + 1);
|
647 |
|
|
else
|
648 |
|
|
operands[0] = adjust_address (operands[0], HImode, 2);
|
649 |
|
|
|
650 |
|
|
if (! CONSTANT_P(operands[2]))
|
651 |
|
|
{
|
652 |
|
|
lateoperands[2] = operands[2];
|
653 |
|
|
|
654 |
|
|
if (REG_P (operands[2]))
|
655 |
|
|
operands[2] = gen_rtx_REG (HImode, REGNO (operands[2]) + 1);
|
656 |
|
|
else
|
657 |
|
|
operands[2] = adjust_address (operands[2], HImode, 2);
|
658 |
|
|
|
659 |
|
|
output_asm_insn (\"add %2, %0\", operands);
|
660 |
|
|
output_asm_insn (\"adc %0\", lateoperands);
|
661 |
|
|
output_asm_insn (\"add %2, %0\", lateoperands);
|
662 |
|
|
return \"\";
|
663 |
|
|
}
|
664 |
|
|
|
665 |
|
|
lateoperands[2] = GEN_INT ((INTVAL (operands[2]) >> 16) & 0xffff);
|
666 |
|
|
operands[2] = GEN_INT (INTVAL (operands[2]) & 0xffff);
|
667 |
|
|
|
668 |
|
|
if (INTVAL(operands[2]))
|
669 |
|
|
{
|
670 |
|
|
output_asm_insn (\"add %2, %0\", operands);
|
671 |
|
|
output_asm_insn (\"adc %0\", lateoperands);
|
672 |
|
|
}
|
673 |
|
|
|
674 |
|
|
if (INTVAL(lateoperands[2]))
|
675 |
|
|
output_asm_insn (\"add %2, %0\", lateoperands);
|
676 |
|
|
|
677 |
|
|
return \"\";
|
678 |
|
|
}"
|
679 |
|
|
[(set_attr "length" "3,5,6,8,3,1,5,5,3,8")])
|
680 |
|
|
|
681 |
|
|
(define_insn "addhi3"
|
682 |
|
|
[(set (match_operand:HI 0 "general_operand" "=rR,rR,Q,Q")
|
683 |
|
|
(plus:HI (match_operand:HI 1 "general_operand" "%0,0,0,0")
|
684 |
|
|
(match_operand:HI 2 "general_operand" "rRLM,Qi,rRLM,Qi")))]
|
685 |
|
|
""
|
686 |
|
|
"*
|
687 |
|
|
{
|
688 |
|
|
if (GET_CODE (operands[2]) == CONST_INT)
|
689 |
|
|
{
|
690 |
|
|
if (INTVAL(operands[2]) == 1)
|
691 |
|
|
return \"inc %0\";
|
692 |
|
|
else if (INTVAL(operands[2]) == -1)
|
693 |
|
|
return \"dec %0\";
|
694 |
|
|
}
|
695 |
|
|
|
696 |
|
|
return \"add %2, %0\";
|
697 |
|
|
}"
|
698 |
|
|
[(set_attr "length" "1,2,2,3")])
|
699 |
|
|
|
700 |
|
|
(define_insn "addqi3"
|
701 |
|
|
[(set (match_operand:QI 0 "general_operand" "=rR,rR,Q,Q")
|
702 |
|
|
(plus:QI (match_operand:QI 1 "general_operand" "%0,0,0,0")
|
703 |
|
|
(match_operand:QI 2 "general_operand" "rRLM,Qi,rRLM,Qi")))]
|
704 |
|
|
""
|
705 |
|
|
"*
|
706 |
|
|
{
|
707 |
|
|
if (GET_CODE (operands[2]) == CONST_INT)
|
708 |
|
|
{
|
709 |
|
|
if (INTVAL(operands[2]) == 1)
|
710 |
|
|
return \"incb %0\";
|
711 |
|
|
else if (INTVAL(operands[2]) == -1)
|
712 |
|
|
return \"decb %0\";
|
713 |
|
|
}
|
714 |
|
|
|
715 |
|
|
return \"add %2, %0\";
|
716 |
|
|
}"
|
717 |
|
|
[(set_attr "length" "1,2,2,3")])
|
718 |
|
|
|
719 |
|
|
|
720 |
|
|
;;- subtract instructions
|
721 |
|
|
;; we don't have to care for constant second
|
722 |
|
|
;; args, since they are canonical plus:xx now!
|
723 |
|
|
;; also for minus:DF ??
|
724 |
|
|
|
725 |
|
|
(define_insn "subdf3"
|
726 |
|
|
[(set (match_operand:DF 0 "register_operand" "=a,a")
|
727 |
|
|
(minus:DF (match_operand:DF 1 "register_operand" "0,0")
|
728 |
|
|
(match_operand:DF 2 "general_operand" "fR,Q")))]
|
729 |
|
|
"TARGET_FPU"
|
730 |
|
|
"{subd|subf} %2, %0"
|
731 |
|
|
[(set_attr "length" "1,2")])
|
732 |
|
|
|
733 |
|
|
(define_insn "subsi3"
|
734 |
|
|
[(set (match_operand:SI 0 "general_operand" "=r,r,o,o")
|
735 |
|
|
(minus:SI (match_operand:SI 1 "general_operand" "0,0,0,0")
|
736 |
|
|
(match_operand:SI 2 "general_operand" "r,o,r,o")))]
|
737 |
|
|
""
|
738 |
|
|
"*
|
739 |
|
|
{ /* Here we trust that operands don't overlap
|
740 |
|
|
|
741 |
|
|
or is lateoperands the low word?? - looks like it! */
|
742 |
|
|
|
743 |
|
|
rtx lateoperands[3];
|
744 |
|
|
|
745 |
|
|
lateoperands[0] = operands[0];
|
746 |
|
|
|
747 |
|
|
if (REG_P (operands[0]))
|
748 |
|
|
operands[0] = gen_rtx_REG (HImode, REGNO (operands[0]) + 1);
|
749 |
|
|
else
|
750 |
|
|
operands[0] = adjust_address (operands[0], HImode, 2);
|
751 |
|
|
|
752 |
|
|
lateoperands[2] = operands[2];
|
753 |
|
|
|
754 |
|
|
if (REG_P (operands[2]))
|
755 |
|
|
operands[2] = gen_rtx_REG (HImode, REGNO (operands[2]) + 1);
|
756 |
|
|
else
|
757 |
|
|
operands[2] = adjust_address (operands[2], HImode, 2);
|
758 |
|
|
|
759 |
|
|
output_asm_insn (\"sub %2, %0\", operands);
|
760 |
|
|
output_asm_insn (\"sbc %0\", lateoperands);
|
761 |
|
|
output_asm_insn (\"sub %2, %0\", lateoperands);
|
762 |
|
|
return \"\";
|
763 |
|
|
}"
|
764 |
|
|
;; offsettable memory addresses always are expensive!!!
|
765 |
|
|
[(set_attr "length" "3,5,6,8")])
|
766 |
|
|
|
767 |
|
|
(define_insn "subhi3"
|
768 |
|
|
[(set (match_operand:HI 0 "general_operand" "=rR,rR,Q,Q")
|
769 |
|
|
(minus:HI (match_operand:HI 1 "general_operand" "0,0,0,0")
|
770 |
|
|
(match_operand:HI 2 "general_operand" "rR,Qi,rR,Qi")))]
|
771 |
|
|
""
|
772 |
|
|
"*
|
773 |
|
|
{
|
774 |
|
|
gcc_assert (GET_CODE (operands[2]) != CONST_INT);
|
775 |
|
|
|
776 |
|
|
return \"sub %2, %0\";
|
777 |
|
|
}"
|
778 |
|
|
[(set_attr "length" "1,2,2,3")])
|
779 |
|
|
|
780 |
|
|
(define_insn "subqi3"
|
781 |
|
|
[(set (match_operand:QI 0 "general_operand" "=rR,rR,Q,Q")
|
782 |
|
|
(minus:QI (match_operand:QI 1 "general_operand" "0,0,0,0")
|
783 |
|
|
(match_operand:QI 2 "general_operand" "rR,Qi,rR,Qi")))]
|
784 |
|
|
""
|
785 |
|
|
"*
|
786 |
|
|
{
|
787 |
|
|
gcc_assert (GET_CODE (operands[2]) != CONST_INT);
|
788 |
|
|
|
789 |
|
|
return \"sub %2, %0\";
|
790 |
|
|
}"
|
791 |
|
|
[(set_attr "length" "1,2,2,3")])
|
792 |
|
|
|
793 |
|
|
;;;;- and instructions
|
794 |
|
|
;; Bit-and on the pdp (like on the VAX) is done with a clear-bits insn.
|
795 |
|
|
|
796 |
|
|
(define_insn "andsi3"
|
797 |
|
|
[(set (match_operand:SI 0 "general_operand" "=r,r,o,o,r,r,r,o,o,o")
|
798 |
|
|
(and:SI (match_operand:SI 1 "general_operand" "%0,0,0,0,0,0,0,0,0,0")
|
799 |
|
|
(not:SI (match_operand:SI 2 "general_operand" "r,o,r,o,I,J,K,I,J,K"))))]
|
800 |
|
|
""
|
801 |
|
|
"*
|
802 |
|
|
{ /* Here we trust that operands don't overlap
|
803 |
|
|
|
804 |
|
|
or is lateoperands the low word?? - looks like it! */
|
805 |
|
|
|
806 |
|
|
rtx lateoperands[3];
|
807 |
|
|
|
808 |
|
|
lateoperands[0] = operands[0];
|
809 |
|
|
|
810 |
|
|
if (REG_P (operands[0]))
|
811 |
|
|
operands[0] = gen_rtx_REG (HImode, REGNO (operands[0]) + 1);
|
812 |
|
|
else
|
813 |
|
|
operands[0] = adjust_address (operands[0], HImode, 2);
|
814 |
|
|
|
815 |
|
|
if (! CONSTANT_P(operands[2]))
|
816 |
|
|
{
|
817 |
|
|
lateoperands[2] = operands[2];
|
818 |
|
|
|
819 |
|
|
if (REG_P (operands[2]))
|
820 |
|
|
operands[2] = gen_rtx_REG (HImode, REGNO (operands[2]) + 1);
|
821 |
|
|
else
|
822 |
|
|
operands[2] = adjust_address (operands[2], HImode, 2);
|
823 |
|
|
|
824 |
|
|
output_asm_insn (\"bic %2, %0\", operands);
|
825 |
|
|
output_asm_insn (\"bic %2, %0\", lateoperands);
|
826 |
|
|
return \"\";
|
827 |
|
|
}
|
828 |
|
|
|
829 |
|
|
lateoperands[2] = GEN_INT ((INTVAL (operands[2]) >> 16) & 0xffff);
|
830 |
|
|
operands[2] = GEN_INT (INTVAL (operands[2]) & 0xffff);
|
831 |
|
|
|
832 |
|
|
/* these have different lengths, so we should have
|
833 |
|
|
different constraints! */
|
834 |
|
|
if (INTVAL(operands[2]))
|
835 |
|
|
output_asm_insn (\"bic %2, %0\", operands);
|
836 |
|
|
|
837 |
|
|
if (INTVAL(lateoperands[2]))
|
838 |
|
|
output_asm_insn (\"bic %2, %0\", lateoperands);
|
839 |
|
|
|
840 |
|
|
return \"\";
|
841 |
|
|
}"
|
842 |
|
|
[(set_attr "length" "2,4,4,6,2,2,4,3,3,6")])
|
843 |
|
|
|
844 |
|
|
(define_insn "andhi3"
|
845 |
|
|
[(set (match_operand:HI 0 "general_operand" "=rR,rR,Q,Q")
|
846 |
|
|
(and:HI (match_operand:HI 1 "general_operand" "0,0,0,0")
|
847 |
|
|
(not:HI (match_operand:HI 2 "general_operand" "rR,Qi,rR,Qi"))))]
|
848 |
|
|
""
|
849 |
|
|
"bic %2, %0"
|
850 |
|
|
[(set_attr "length" "1,2,2,3")])
|
851 |
|
|
|
852 |
|
|
(define_insn "andqi3"
|
853 |
|
|
[(set (match_operand:QI 0 "general_operand" "=rR,rR,Q,Q")
|
854 |
|
|
(and:QI (match_operand:QI 1 "general_operand" "0,0,0,0")
|
855 |
|
|
(not:QI (match_operand:QI 2 "general_operand" "rR,Qi,rR,Qi"))))]
|
856 |
|
|
""
|
857 |
|
|
"bicb %2, %0"
|
858 |
|
|
[(set_attr "length" "1,2,2,3")])
|
859 |
|
|
|
860 |
|
|
;;- Bit set (inclusive or) instructions
|
861 |
|
|
(define_insn "iorsi3"
|
862 |
|
|
[(set (match_operand:SI 0 "general_operand" "=r,r,o,o,r,r,r,o,o,o")
|
863 |
|
|
(ior:SI (match_operand:SI 1 "general_operand" "%0,0,0,0,0,0,0,0,0,0")
|
864 |
|
|
(match_operand:SI 2 "general_operand" "r,o,r,o,I,J,K,I,J,K")))]
|
865 |
|
|
""
|
866 |
|
|
"*
|
867 |
|
|
{ /* Here we trust that operands don't overlap
|
868 |
|
|
|
869 |
|
|
or is lateoperands the low word?? - looks like it! */
|
870 |
|
|
|
871 |
|
|
rtx lateoperands[3];
|
872 |
|
|
|
873 |
|
|
lateoperands[0] = operands[0];
|
874 |
|
|
|
875 |
|
|
if (REG_P (operands[0]))
|
876 |
|
|
operands[0] = gen_rtx_REG (HImode, REGNO (operands[0]) + 1);
|
877 |
|
|
else
|
878 |
|
|
operands[0] = adjust_address (operands[0], HImode, 2);
|
879 |
|
|
|
880 |
|
|
if (! CONSTANT_P(operands[2]))
|
881 |
|
|
{
|
882 |
|
|
lateoperands[2] = operands[2];
|
883 |
|
|
|
884 |
|
|
if (REG_P (operands[2]))
|
885 |
|
|
operands[2] = gen_rtx_REG (HImode, REGNO (operands[2]) + 1);
|
886 |
|
|
else
|
887 |
|
|
operands[2] = adjust_address (operands[2], HImode, 2);
|
888 |
|
|
|
889 |
|
|
output_asm_insn (\"bis %2, %0\", operands);
|
890 |
|
|
output_asm_insn (\"bis %2, %0\", lateoperands);
|
891 |
|
|
return \"\";
|
892 |
|
|
}
|
893 |
|
|
|
894 |
|
|
lateoperands[2] = GEN_INT ((INTVAL (operands[2]) >> 16) & 0xffff);
|
895 |
|
|
operands[2] = GEN_INT (INTVAL (operands[2]) & 0xffff);
|
896 |
|
|
|
897 |
|
|
/* these have different lengths, so we should have
|
898 |
|
|
different constraints! */
|
899 |
|
|
if (INTVAL(operands[2]))
|
900 |
|
|
output_asm_insn (\"bis %2, %0\", operands);
|
901 |
|
|
|
902 |
|
|
if (INTVAL(lateoperands[2]))
|
903 |
|
|
output_asm_insn (\"bis %2, %0\", lateoperands);
|
904 |
|
|
|
905 |
|
|
return \"\";
|
906 |
|
|
}"
|
907 |
|
|
[(set_attr "length" "2,4,4,6,2,2,4,3,3,6")])
|
908 |
|
|
|
909 |
|
|
(define_insn "iorhi3"
|
910 |
|
|
[(set (match_operand:HI 0 "general_operand" "=rR,rR,Q,Q")
|
911 |
|
|
(ior:HI (match_operand:HI 1 "general_operand" "%0,0,0,0")
|
912 |
|
|
(match_operand:HI 2 "general_operand" "rR,Qi,rR,Qi")))]
|
913 |
|
|
""
|
914 |
|
|
"bis %2, %0"
|
915 |
|
|
[(set_attr "length" "1,2,2,3")])
|
916 |
|
|
|
917 |
|
|
(define_insn "iorqi3"
|
918 |
|
|
[(set (match_operand:QI 0 "general_operand" "=rR,rR,Q,Q")
|
919 |
|
|
(ior:QI (match_operand:QI 1 "general_operand" "%0,0,0,0")
|
920 |
|
|
(match_operand:QI 2 "general_operand" "rR,Qi,rR,Qi")))]
|
921 |
|
|
""
|
922 |
|
|
"bisb %2, %0")
|
923 |
|
|
|
924 |
|
|
;;- xor instructions
|
925 |
|
|
(define_insn "xorsi3"
|
926 |
|
|
[(set (match_operand:SI 0 "register_operand" "=r")
|
927 |
|
|
(xor:SI (match_operand:SI 1 "register_operand" "%0")
|
928 |
|
|
(match_operand:SI 2 "arith_operand" "r")))]
|
929 |
|
|
"TARGET_40_PLUS"
|
930 |
|
|
"*
|
931 |
|
|
{ /* Here we trust that operands don't overlap */
|
932 |
|
|
|
933 |
|
|
rtx lateoperands[3];
|
934 |
|
|
|
935 |
|
|
lateoperands[0] = operands[0];
|
936 |
|
|
operands[0] = gen_rtx_REG (HImode, REGNO (operands[0]) + 1);
|
937 |
|
|
|
938 |
|
|
if (REG_P(operands[2]))
|
939 |
|
|
{
|
940 |
|
|
lateoperands[2] = operands[2];
|
941 |
|
|
operands[2] = gen_rtx_REG (HImode, REGNO (operands[2]) + 1);
|
942 |
|
|
|
943 |
|
|
output_asm_insn (\"xor %2, %0\", operands);
|
944 |
|
|
output_asm_insn (\"xor %2, %0\", lateoperands);
|
945 |
|
|
|
946 |
|
|
return \"\";
|
947 |
|
|
}
|
948 |
|
|
|
949 |
|
|
}"
|
950 |
|
|
[(set_attr "length" "2")])
|
951 |
|
|
|
952 |
|
|
(define_insn "xorhi3"
|
953 |
|
|
[(set (match_operand:HI 0 "general_operand" "=rR,Q")
|
954 |
|
|
(xor:HI (match_operand:HI 1 "general_operand" "%0,0")
|
955 |
|
|
(match_operand:HI 2 "register_operand" "r,r")))]
|
956 |
|
|
"TARGET_40_PLUS"
|
957 |
|
|
"xor %2, %0"
|
958 |
|
|
[(set_attr "length" "1,2")])
|
959 |
|
|
|
960 |
|
|
;;- one complement instructions
|
961 |
|
|
|
962 |
|
|
(define_insn "one_cmplhi2"
|
963 |
|
|
[(set (match_operand:HI 0 "general_operand" "=rR,Q")
|
964 |
|
|
(not:HI (match_operand:HI 1 "general_operand" "0,0")))]
|
965 |
|
|
""
|
966 |
|
|
"com %0"
|
967 |
|
|
[(set_attr "length" "1,2")])
|
968 |
|
|
|
969 |
|
|
(define_insn "one_cmplqi2"
|
970 |
|
|
[(set (match_operand:QI 0 "general_operand" "=rR,rR")
|
971 |
|
|
(not:QI (match_operand:QI 1 "general_operand" "0,g")))]
|
972 |
|
|
""
|
973 |
|
|
"@
|
974 |
|
|
comb %0
|
975 |
|
|
movb %1, %0\; comb %0"
|
976 |
|
|
[(set_attr "length" "1,2")])
|
977 |
|
|
|
978 |
|
|
;;- arithmetic shift instructions
|
979 |
|
|
(define_insn "ashlsi3"
|
980 |
|
|
[(set (match_operand:SI 0 "register_operand" "=r,r")
|
981 |
|
|
(ashift:SI (match_operand:SI 1 "register_operand" "0,0")
|
982 |
|
|
(match_operand:HI 2 "general_operand" "rR,Qi")))]
|
983 |
|
|
"TARGET_45"
|
984 |
|
|
"ashc %2,%0"
|
985 |
|
|
[(set_attr "length" "1,2")])
|
986 |
|
|
|
987 |
|
|
;; Arithmetic right shift on the pdp works by negating the shift count.
|
988 |
|
|
(define_expand "ashrsi3"
|
989 |
|
|
[(set (match_operand:SI 0 "register_operand" "=r")
|
990 |
|
|
(ashift:SI (match_operand:SI 1 "register_operand" "0")
|
991 |
|
|
(match_operand:HI 2 "general_operand" "g")))]
|
992 |
|
|
""
|
993 |
|
|
"
|
994 |
|
|
{
|
995 |
|
|
operands[2] = negate_rtx (HImode, operands[2]);
|
996 |
|
|
}")
|
997 |
|
|
|
998 |
|
|
;; define asl aslb asr asrb - ashc missing!
|
999 |
|
|
|
1000 |
|
|
;; asl
|
1001 |
|
|
(define_insn ""
|
1002 |
|
|
[(set (match_operand:HI 0 "general_operand" "=rR,Q")
|
1003 |
|
|
(ashift:HI (match_operand:HI 1 "general_operand" "0,0")
|
1004 |
|
|
(const_int 1)))]
|
1005 |
|
|
""
|
1006 |
|
|
"asl %0"
|
1007 |
|
|
[(set_attr "length" "1,2")])
|
1008 |
|
|
|
1009 |
|
|
;; and another possibility for asr is << -1
|
1010 |
|
|
;; might cause problems since -1 can also be encoded as 65535!
|
1011 |
|
|
;; not in gcc2 ???
|
1012 |
|
|
|
1013 |
|
|
;; asr
|
1014 |
|
|
(define_insn ""
|
1015 |
|
|
[(set (match_operand:HI 0 "general_operand" "=rR,Q")
|
1016 |
|
|
(ashift:HI (match_operand:HI 1 "general_operand" "0,0")
|
1017 |
|
|
(const_int -1)))]
|
1018 |
|
|
""
|
1019 |
|
|
"asr %0"
|
1020 |
|
|
[(set_attr "length" "1,2")])
|
1021 |
|
|
|
1022 |
|
|
;; lsr
|
1023 |
|
|
(define_insn ""
|
1024 |
|
|
[(set (match_operand:HI 0 "general_operand" "=rR,Q")
|
1025 |
|
|
(lshiftrt:HI (match_operand:HI 1 "general_operand" "0,0")
|
1026 |
|
|
(const_int 1)))]
|
1027 |
|
|
""
|
1028 |
|
|
"clc\;ror %0"
|
1029 |
|
|
[(set_attr "length" "1,2")])
|
1030 |
|
|
|
1031 |
|
|
(define_insn "lshrsi3"
|
1032 |
|
|
[(set (match_operand:SI 0 "register_operand" "=r")
|
1033 |
|
|
(lshiftrt:SI (match_operand:SI 1 "general_operand" "0")
|
1034 |
|
|
(const_int 1)))]
|
1035 |
|
|
""
|
1036 |
|
|
{
|
1037 |
|
|
|
1038 |
|
|
rtx lateoperands[2];
|
1039 |
|
|
|
1040 |
|
|
lateoperands[0] = operands[0];
|
1041 |
|
|
operands[0] = gen_rtx_REG (HImode, REGNO (operands[0]) + 1);
|
1042 |
|
|
|
1043 |
|
|
lateoperands[1] = operands[1];
|
1044 |
|
|
operands[1] = gen_rtx_REG (HImode, REGNO (operands[1]) + 1);
|
1045 |
|
|
|
1046 |
|
|
output_asm_insn (\"clc\", operands);
|
1047 |
|
|
output_asm_insn (\"ror %0\", lateoperands);
|
1048 |
|
|
output_asm_insn (\"ror %0\", operands);
|
1049 |
|
|
|
1050 |
|
|
return \"\";
|
1051 |
|
|
}
|
1052 |
|
|
[(set_attr "length" "5")])
|
1053 |
|
|
|
1054 |
|
|
;; shift is by arbitrary count is expensive,
|
1055 |
|
|
;; shift by one cheap - so let's do that, if
|
1056 |
|
|
;; space doesn't matter
|
1057 |
|
|
(define_insn ""
|
1058 |
|
|
[(set (match_operand:HI 0 "general_operand" "=r")
|
1059 |
|
|
(ashift:HI (match_operand:HI 1 "general_operand" "0")
|
1060 |
|
|
(match_operand:HI 2 "expand_shift_operand" "O")))]
|
1061 |
|
|
"! optimize_size"
|
1062 |
|
|
"*
|
1063 |
|
|
{
|
1064 |
|
|
register int i;
|
1065 |
|
|
|
1066 |
|
|
for (i = 1; i <= abs(INTVAL(operands[2])); i++)
|
1067 |
|
|
if (INTVAL(operands[2]) < 0)
|
1068 |
|
|
output_asm_insn(\"asr %0\", operands);
|
1069 |
|
|
else
|
1070 |
|
|
output_asm_insn(\"asl %0\", operands);
|
1071 |
|
|
|
1072 |
|
|
return \"\";
|
1073 |
|
|
}"
|
1074 |
|
|
;; longest is 4
|
1075 |
|
|
[(set (attr "length") (const_int 4))])
|
1076 |
|
|
|
1077 |
|
|
;; aslb
|
1078 |
|
|
(define_insn ""
|
1079 |
|
|
[(set (match_operand:QI 0 "general_operand" "=r,o")
|
1080 |
|
|
(ashift:QI (match_operand:QI 1 "general_operand" "0,0")
|
1081 |
|
|
(match_operand:HI 2 "const_immediate_operand" "n,n")))]
|
1082 |
|
|
""
|
1083 |
|
|
"*
|
1084 |
|
|
{ /* allowing predec or post_inc is possible, but hairy! */
|
1085 |
|
|
int i, cnt;
|
1086 |
|
|
|
1087 |
|
|
cnt = INTVAL(operands[2]) & 0x0007;
|
1088 |
|
|
|
1089 |
|
|
for (i=0 ; i < cnt ; i++)
|
1090 |
|
|
output_asm_insn(\"aslb %0\", operands);
|
1091 |
|
|
|
1092 |
|
|
return \"\";
|
1093 |
|
|
}"
|
1094 |
|
|
;; set attribute length ( match_dup 2 & 7 ) *(1 or 2) !!!
|
1095 |
|
|
[(set_attr_alternative "length"
|
1096 |
|
|
[(const_int 7)
|
1097 |
|
|
(const_int 14)])])
|
1098 |
|
|
|
1099 |
|
|
;;; asr
|
1100 |
|
|
;(define_insn ""
|
1101 |
|
|
; [(set (match_operand:HI 0 "general_operand" "=rR,Q")
|
1102 |
|
|
; (ashiftrt:HI (match_operand:HI 1 "general_operand" "0,0")
|
1103 |
|
|
; (const_int 1)))]
|
1104 |
|
|
; ""
|
1105 |
|
|
; "asr %0"
|
1106 |
|
|
; [(set_attr "length" "1,2")])
|
1107 |
|
|
|
1108 |
|
|
;; asrb
|
1109 |
|
|
(define_insn ""
|
1110 |
|
|
[(set (match_operand:QI 0 "general_operand" "=r,o")
|
1111 |
|
|
(ashiftrt:QI (match_operand:QI 1 "general_operand" "0,0")
|
1112 |
|
|
(match_operand:HI 2 "const_immediate_operand" "n,n")))]
|
1113 |
|
|
""
|
1114 |
|
|
"*
|
1115 |
|
|
{ /* allowing predec or post_inc is possible, but hairy! */
|
1116 |
|
|
int i, cnt;
|
1117 |
|
|
|
1118 |
|
|
cnt = INTVAL(operands[2]) & 0x0007;
|
1119 |
|
|
|
1120 |
|
|
for (i=0 ; i < cnt ; i++)
|
1121 |
|
|
output_asm_insn(\"asrb %0\", operands);
|
1122 |
|
|
|
1123 |
|
|
return \"\";
|
1124 |
|
|
}"
|
1125 |
|
|
[(set_attr_alternative "length"
|
1126 |
|
|
[(const_int 7)
|
1127 |
|
|
(const_int 14)])])
|
1128 |
|
|
|
1129 |
|
|
;; the following is invalid - too complex!!! - just say 14 !!!
|
1130 |
|
|
; [(set (attr "length") (plus (and (match_dup 2)
|
1131 |
|
|
; (const_int 7))
|
1132 |
|
|
; (and (match_dup 2)
|
1133 |
|
|
; (const_int 7))))])
|
1134 |
|
|
|
1135 |
|
|
|
1136 |
|
|
|
1137 |
|
|
;; can we get +-1 in the next pattern? should
|
1138 |
|
|
;; have been caught by previous patterns!
|
1139 |
|
|
|
1140 |
|
|
(define_insn "ashlhi3"
|
1141 |
|
|
[(set (match_operand:HI 0 "register_operand" "=r,r")
|
1142 |
|
|
(ashift:HI (match_operand:HI 1 "register_operand" "0,0")
|
1143 |
|
|
(match_operand:HI 2 "general_operand" "rR,Qi")))]
|
1144 |
|
|
""
|
1145 |
|
|
"*
|
1146 |
|
|
{
|
1147 |
|
|
if (GET_CODE(operands[2]) == CONST_INT)
|
1148 |
|
|
{
|
1149 |
|
|
if (INTVAL(operands[2]) == 1)
|
1150 |
|
|
return \"asl %0\";
|
1151 |
|
|
else if (INTVAL(operands[2]) == -1)
|
1152 |
|
|
return \"asr %0\";
|
1153 |
|
|
}
|
1154 |
|
|
|
1155 |
|
|
return \"ash %2,%0\";
|
1156 |
|
|
}"
|
1157 |
|
|
[(set_attr "length" "1,2")])
|
1158 |
|
|
|
1159 |
|
|
;; Arithmetic right shift on the pdp works by negating the shift count.
|
1160 |
|
|
(define_expand "ashrhi3"
|
1161 |
|
|
[(set (match_operand:HI 0 "register_operand" "=r")
|
1162 |
|
|
(ashift:HI (match_operand:HI 1 "register_operand" "0")
|
1163 |
|
|
(match_operand:HI 2 "general_operand" "g")))]
|
1164 |
|
|
""
|
1165 |
|
|
"
|
1166 |
|
|
{
|
1167 |
|
|
operands[2] = negate_rtx (HImode, operands[2]);
|
1168 |
|
|
}")
|
1169 |
|
|
|
1170 |
|
|
;;;;- logical shift instructions
|
1171 |
|
|
;;(define_insn "lshrsi3"
|
1172 |
|
|
;; [(set (match_operand:HI 0 "register_operand" "=r")
|
1173 |
|
|
;; (lshiftrt:HI (match_operand:HI 1 "register_operand" "0")
|
1174 |
|
|
;; (match_operand:HI 2 "arith_operand" "rI")))]
|
1175 |
|
|
;; ""
|
1176 |
|
|
;; "srl %0,%2")
|
1177 |
|
|
|
1178 |
|
|
;; absolute
|
1179 |
|
|
|
1180 |
|
|
(define_insn "absdf2"
|
1181 |
|
|
[(set (match_operand:DF 0 "general_operand" "=fR,Q")
|
1182 |
|
|
(abs:DF (match_operand:DF 1 "general_operand" "0,0")))]
|
1183 |
|
|
"TARGET_FPU"
|
1184 |
|
|
"{absd|absf} %0"
|
1185 |
|
|
[(set_attr "length" "1,2")])
|
1186 |
|
|
|
1187 |
|
|
(define_insn "abshi2"
|
1188 |
|
|
[(set (match_operand:HI 0 "general_operand" "=r,o")
|
1189 |
|
|
(abs:HI (match_operand:HI 1 "general_operand" "0,0")))]
|
1190 |
|
|
"TARGET_ABSHI_BUILTIN"
|
1191 |
|
|
"*
|
1192 |
|
|
{
|
1193 |
|
|
static int count = 0;
|
1194 |
|
|
char buf[200];
|
1195 |
|
|
|
1196 |
|
|
output_asm_insn(\"tst %0\", operands);
|
1197 |
|
|
sprintf(buf, \"bge abshi%d\", count);
|
1198 |
|
|
output_asm_insn(buf, NULL);
|
1199 |
|
|
output_asm_insn(\"neg %0\", operands);
|
1200 |
|
|
sprintf(buf, \"\\nabshi%d:\", count++);
|
1201 |
|
|
output_asm_insn(buf, NULL);
|
1202 |
|
|
|
1203 |
|
|
return \"\";
|
1204 |
|
|
}"
|
1205 |
|
|
[(set_attr "length" "3,5")])
|
1206 |
|
|
|
1207 |
|
|
|
1208 |
|
|
;; define expand abshi - is much better !!! - but
|
1209 |
|
|
;; will it be optimized into an abshi2 ?
|
1210 |
|
|
;; it will leave better code, because the tsthi might be
|
1211 |
|
|
;; optimized away!!
|
1212 |
|
|
; -- just a thought - don't have time to check
|
1213 |
|
|
;
|
1214 |
|
|
;(define_expand "abshi2"
|
1215 |
|
|
; [(match_operand:HI 0 "general_operand" "")
|
1216 |
|
|
; (match_operand:HI 1 "general_operand" "")]
|
1217 |
|
|
; ""
|
1218 |
|
|
; "
|
1219 |
|
|
;{
|
1220 |
|
|
; rtx label = gen_label_rtx ();
|
1221 |
|
|
;
|
1222 |
|
|
; /* do I need this? */
|
1223 |
|
|
; do_pending_stack_adjust ();
|
1224 |
|
|
;
|
1225 |
|
|
; emit_move_insn (operands[0], operands[1]);
|
1226 |
|
|
;
|
1227 |
|
|
; emit_insn (gen_tsthi (operands[0]));
|
1228 |
|
|
; emit_insn (gen_bge (label1));
|
1229 |
|
|
;
|
1230 |
|
|
; emit_insn (gen_neghi(operands[0], operands[0])
|
1231 |
|
|
;
|
1232 |
|
|
; emit_barrier ();
|
1233 |
|
|
;
|
1234 |
|
|
; emit_label (label);
|
1235 |
|
|
;
|
1236 |
|
|
; /* allow REG_NOTES to be set on last insn (labels don't have enough
|
1237 |
|
|
; fields, and can't be used for REG_NOTES anyway). */
|
1238 |
|
|
; emit_use (stack_pointer_rtx);
|
1239 |
|
|
; DONE;
|
1240 |
|
|
;}")
|
1241 |
|
|
|
1242 |
|
|
;; negate insns
|
1243 |
|
|
|
1244 |
|
|
(define_insn "negdf2"
|
1245 |
|
|
[(set (match_operand:DF 0 "general_operand" "=fR,Q")
|
1246 |
|
|
(neg:DF (match_operand:DF 1 "register_operand" "0,0")))]
|
1247 |
|
|
"TARGET_FPU"
|
1248 |
|
|
"{negd|negf} %0"
|
1249 |
|
|
[(set_attr "length" "1,2")])
|
1250 |
|
|
|
1251 |
|
|
(define_insn "negsi2"
|
1252 |
|
|
[(set (match_operand:SI 0 "register_operand" "=r")
|
1253 |
|
|
(neg:SI (match_operand:SI 1 "general_operand" "0")))]
|
1254 |
|
|
""
|
1255 |
|
|
{
|
1256 |
|
|
|
1257 |
|
|
rtx lateoperands[2];
|
1258 |
|
|
|
1259 |
|
|
lateoperands[0] = operands[0];
|
1260 |
|
|
operands[0] = gen_rtx_REG (HImode, REGNO (operands[0]) + 1);
|
1261 |
|
|
|
1262 |
|
|
lateoperands[1] = operands[1];
|
1263 |
|
|
operands[1] = gen_rtx_REG (HImode, REGNO (operands[1]) + 1);
|
1264 |
|
|
|
1265 |
|
|
output_asm_insn (\"com %0\", operands);
|
1266 |
|
|
output_asm_insn (\"com %0\", lateoperands);
|
1267 |
|
|
output_asm_insn (\"inc %0\", operands);
|
1268 |
|
|
output_asm_insn (\"adc %0\", lateoperands);
|
1269 |
|
|
|
1270 |
|
|
return \"\";
|
1271 |
|
|
}
|
1272 |
|
|
[(set_attr "length" "5")])
|
1273 |
|
|
|
1274 |
|
|
(define_insn "neghi2"
|
1275 |
|
|
[(set (match_operand:HI 0 "general_operand" "=rR,Q")
|
1276 |
|
|
(neg:HI (match_operand:HI 1 "general_operand" "0,0")))]
|
1277 |
|
|
""
|
1278 |
|
|
"neg %0"
|
1279 |
|
|
[(set_attr "length" "1,2")])
|
1280 |
|
|
|
1281 |
|
|
(define_insn "negqi2"
|
1282 |
|
|
[(set (match_operand:QI 0 "general_operand" "=rR,Q")
|
1283 |
|
|
(neg:QI (match_operand:QI 1 "general_operand" "0,0")))]
|
1284 |
|
|
""
|
1285 |
|
|
"negb %0"
|
1286 |
|
|
[(set_attr "length" "1,2")])
|
1287 |
|
|
|
1288 |
|
|
|
1289 |
|
|
;; Unconditional and other jump instructions
|
1290 |
|
|
(define_insn "jump"
|
1291 |
|
|
[(set (pc)
|
1292 |
|
|
(label_ref (match_operand 0 "" "")))]
|
1293 |
|
|
""
|
1294 |
|
|
"jmp %l0"
|
1295 |
|
|
[(set_attr "length" "2")])
|
1296 |
|
|
|
1297 |
|
|
(define_insn ""
|
1298 |
|
|
[(set (pc)
|
1299 |
|
|
(label_ref (match_operand 0 "" "")))
|
1300 |
|
|
(clobber (const_int 1))]
|
1301 |
|
|
""
|
1302 |
|
|
"jmp %l0"
|
1303 |
|
|
[(set_attr "length" "2")])
|
1304 |
|
|
|
1305 |
|
|
(define_insn "tablejump"
|
1306 |
|
|
[(set (pc) (match_operand:HI 0 "general_operand" "rR,Q"))
|
1307 |
|
|
(use (label_ref (match_operand 1 "" "")))]
|
1308 |
|
|
""
|
1309 |
|
|
"jmp %0"
|
1310 |
|
|
[(set_attr "length" "1,2")])
|
1311 |
|
|
|
1312 |
|
|
;; indirect jump - let's be conservative!
|
1313 |
|
|
;; allow only register_operand, even though we could also
|
1314 |
|
|
;; allow labels etc.
|
1315 |
|
|
|
1316 |
|
|
(define_insn "indirect_jump"
|
1317 |
|
|
[(set (pc) (match_operand:HI 0 "register_operand" "r"))]
|
1318 |
|
|
""
|
1319 |
|
|
"jmp (%0)")
|
1320 |
|
|
|
1321 |
|
|
;;- jump to subroutine
|
1322 |
|
|
|
1323 |
|
|
(define_insn "call"
|
1324 |
|
|
[(call (match_operand:HI 0 "general_operand" "rR,Q")
|
1325 |
|
|
(match_operand:HI 1 "general_operand" "g,g"))
|
1326 |
|
|
;; (use (reg:HI 0)) what was that ???
|
1327 |
|
|
]
|
1328 |
|
|
;;- Don't use operand 1 for most machines.
|
1329 |
|
|
""
|
1330 |
|
|
"jsr pc, %0"
|
1331 |
|
|
[(set_attr "length" "1,2")])
|
1332 |
|
|
|
1333 |
|
|
;;- jump to subroutine
|
1334 |
|
|
(define_insn "call_value"
|
1335 |
|
|
[(set (match_operand 0 "" "")
|
1336 |
|
|
(call (match_operand:HI 1 "general_operand" "rR,Q")
|
1337 |
|
|
(match_operand:HI 2 "general_operand" "g,g")))
|
1338 |
|
|
;; (use (reg:HI 0)) - what was that ????
|
1339 |
|
|
]
|
1340 |
|
|
;;- Don't use operand 2 for most machines.
|
1341 |
|
|
""
|
1342 |
|
|
"jsr pc, %1"
|
1343 |
|
|
[(set_attr "length" "1,2")])
|
1344 |
|
|
|
1345 |
|
|
;;- nop instruction
|
1346 |
|
|
(define_insn "nop"
|
1347 |
|
|
[(const_int 0)]
|
1348 |
|
|
""
|
1349 |
|
|
"nop")
|
1350 |
|
|
|
1351 |
|
|
|
1352 |
|
|
;;- multiply
|
1353 |
|
|
|
1354 |
|
|
(define_insn "muldf3"
|
1355 |
|
|
[(set (match_operand:DF 0 "register_operand" "=a,a,a")
|
1356 |
|
|
(mult:DF (match_operand:DF 1 "register_operand" "%0,0,0")
|
1357 |
|
|
(match_operand:DF 2 "general_operand" "fR,Q,F")))]
|
1358 |
|
|
"TARGET_FPU"
|
1359 |
|
|
"{muld|mulf} %2, %0"
|
1360 |
|
|
[(set_attr "length" "1,2,5")])
|
1361 |
|
|
|
1362 |
|
|
;; 16 bit result multiply:
|
1363 |
|
|
;; currently we multiply only into odd registers, so we don't use two
|
1364 |
|
|
;; registers - but this is a bit inefficient at times. If we define
|
1365 |
|
|
;; a register class for each register, then we can specify properly
|
1366 |
|
|
;; which register need which scratch register ....
|
1367 |
|
|
|
1368 |
|
|
(define_insn "mulhi3"
|
1369 |
|
|
[(set (match_operand:HI 0 "register_operand" "=d,d") ; multiply regs
|
1370 |
|
|
(mult:HI (match_operand:HI 1 "register_operand" "%0,0")
|
1371 |
|
|
(match_operand:HI 2 "general_operand" "rR,Qi")))]
|
1372 |
|
|
"TARGET_45"
|
1373 |
|
|
"mul %2, %0"
|
1374 |
|
|
[(set_attr "length" "1,2")])
|
1375 |
|
|
|
1376 |
|
|
;; 32 bit result
|
1377 |
|
|
(define_expand "mulhisi3"
|
1378 |
|
|
[(set (match_dup 3)
|
1379 |
|
|
(match_operand:HI 1 "general_operand" "g,g"))
|
1380 |
|
|
(set (match_operand:SI 0 "register_operand" "=r,r") ; even numbered!
|
1381 |
|
|
(mult:SI (truncate:HI
|
1382 |
|
|
(match_dup 0))
|
1383 |
|
|
(match_operand:HI 2 "general_operand" "rR,Qi")))]
|
1384 |
|
|
"TARGET_45"
|
1385 |
|
|
"operands[3] = gen_lowpart(HImode, operands[1]);")
|
1386 |
|
|
|
1387 |
|
|
(define_insn ""
|
1388 |
|
|
[(set (match_operand:SI 0 "register_operand" "=r,r") ; even numbered!
|
1389 |
|
|
(mult:SI (truncate:HI
|
1390 |
|
|
(match_operand:SI 1 "register_operand" "%0,0"))
|
1391 |
|
|
(match_operand:HI 2 "general_operand" "rR,Qi")))]
|
1392 |
|
|
"TARGET_45"
|
1393 |
|
|
"mul %2, %0"
|
1394 |
|
|
[(set_attr "length" "1,2")])
|
1395 |
|
|
|
1396 |
|
|
;(define_insn "mulhisi3"
|
1397 |
|
|
; [(set (match_operand:SI 0 "register_operand" "=r,r") ; even numbered!
|
1398 |
|
|
; (mult:SI (truncate:HI
|
1399 |
|
|
; (match_operand:SI 1 "register_operand" "%0,0"))
|
1400 |
|
|
; (match_operand:HI 2 "general_operand" "rR,Qi")))]
|
1401 |
|
|
; "TARGET_45"
|
1402 |
|
|
; "mul %2, %0"
|
1403 |
|
|
; [(set_attr "length" "1,2")])
|
1404 |
|
|
|
1405 |
|
|
;;- divide
|
1406 |
|
|
(define_insn "divdf3"
|
1407 |
|
|
[(set (match_operand:DF 0 "register_operand" "=a,a,a")
|
1408 |
|
|
(div:DF (match_operand:DF 1 "register_operand" "0,0,0")
|
1409 |
|
|
(match_operand:DF 2 "general_operand" "fR,Q,F")))]
|
1410 |
|
|
"TARGET_FPU"
|
1411 |
|
|
"{divd|divf} %2, %0"
|
1412 |
|
|
[(set_attr "length" "1,2,5")])
|
1413 |
|
|
|
1414 |
|
|
|
1415 |
|
|
(define_expand "divhi3"
|
1416 |
|
|
[(set (subreg:HI (match_dup 1) 0)
|
1417 |
|
|
(div:HI (match_operand:SI 1 "general_operand" "0")
|
1418 |
|
|
(match_operand:HI 2 "general_operand" "g")))
|
1419 |
|
|
(set (match_operand:HI 0 "general_operand" "=r")
|
1420 |
|
|
(subreg:HI (match_dup 1) 0))]
|
1421 |
|
|
"TARGET_45"
|
1422 |
|
|
"")
|
1423 |
|
|
|
1424 |
|
|
(define_insn ""
|
1425 |
|
|
[(set (subreg:HI (match_operand:SI 0 "general_operand" "=r") 0)
|
1426 |
|
|
(div:HI (match_operand:SI 1 "general_operand" "0")
|
1427 |
|
|
(match_operand:HI 2 "general_operand" "g")))]
|
1428 |
|
|
"TARGET_45"
|
1429 |
|
|
"div %2,%0"
|
1430 |
|
|
[(set_attr "length" "2")])
|
1431 |
|
|
|
1432 |
|
|
(define_expand "modhi3"
|
1433 |
|
|
[(set (subreg:HI (match_dup 1) 2)
|
1434 |
|
|
(mod:HI (match_operand:SI 1 "general_operand" "0")
|
1435 |
|
|
(match_operand:HI 2 "general_operand" "g")))
|
1436 |
|
|
(set (match_operand:HI 0 "general_operand" "=r")
|
1437 |
|
|
(subreg:HI (match_dup 1) 2))]
|
1438 |
|
|
"TARGET_45"
|
1439 |
|
|
"")
|
1440 |
|
|
|
1441 |
|
|
(define_insn ""
|
1442 |
|
|
[(set (subreg:HI (match_operand:SI 0 "general_operand" "=r") 2)
|
1443 |
|
|
(mod:HI (match_operand:SI 1 "general_operand" "0")
|
1444 |
|
|
(match_operand:HI 2 "general_operand" "g")))]
|
1445 |
|
|
"TARGET_45"
|
1446 |
|
|
"div %2,%0"
|
1447 |
|
|
[(set_attr "length" "2")])
|
1448 |
|
|
|
1449 |
|
|
;(define_expand "divmodhi4"
|
1450 |
|
|
; [(parallel [(set (subreg:HI (match_dup 1) 0)
|
1451 |
|
|
; (div:HI (match_operand:SI 1 "general_operand" "0")
|
1452 |
|
|
; (match_operand:HI 2 "general_operand" "g")))
|
1453 |
|
|
; (set (subreg:HI (match_dup 1) 2)
|
1454 |
|
|
; (mod:HI (match_dup 1)
|
1455 |
|
|
; (match_dup 2)))])
|
1456 |
|
|
; (set (match_operand:HI 3 "general_operand" "=r")
|
1457 |
|
|
; (subreg:HI (match_dup 1) 2))
|
1458 |
|
|
; (set (match_operand:HI 0 "general_operand" "=r")
|
1459 |
|
|
; (subreg:HI (match_dup 1) 0))]
|
1460 |
|
|
; "TARGET_45"
|
1461 |
|
|
; "")
|
1462 |
|
|
;
|
1463 |
|
|
;(define_insn ""
|
1464 |
|
|
; [(set (subreg:HI (match_operand:SI 0 "general_operand" "=r") 0)
|
1465 |
|
|
; (div:HI (match_operand:SI 1 "general_operand" "0")
|
1466 |
|
|
; (match_operand:HI 2 "general_operand" "g")))
|
1467 |
|
|
; (set (subreg:HI (match_dup 0) 2)
|
1468 |
|
|
; (mod:HI (match_dup 1)
|
1469 |
|
|
; (match_dup 2)))]
|
1470 |
|
|
; "TARGET_45"
|
1471 |
|
|
; "div %2, %0")
|
1472 |
|
|
;
|
1473 |
|
|
|
1474 |
|
|
;; is rotate doing the right thing to be included here ????
|