home *** CD-ROM | disk | FTP | other *** search
Text File | 1994-07-12 | 101.6 KB | 3,412 lines |
- ;; Machine description for DEC Alpha for GNU C compiler
- ;; Copyright (C) 1992, 1993, 1994 Free Software Foundation, Inc.
- ;; Contributed by Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- ;; This file is part of GNU CC.
-
- ;; GNU CC 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.
-
- ;; GNU CC 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 GNU CC; see the file COPYING. If not, write to
- ;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
-
- ;;- See file "rtl.def" for documentation on define_insn, match_*, et. al.
-
- ;; Define an insn type attribute. This is used in function unit delay
- ;; computations, among other purposes. For the most part, we use the names
- ;; defined in the EV4 documentation, but add a few that we have to know about
- ;; separately.
-
- (define_attr "type"
- "ld,st,ibr,fbr,jsr,iaddlog,shiftcm,icmp,imull,imulq,fpop,fdivs,fdivt,ldsym,isubr"
- (const_string "shiftcm"))
-
- ;; We include four function units: ABOX, which computes the address,
- ;; BBOX, used for branches, EBOX, used for integer operations, and FBOX,
- ;; used for FP operations.
- ;;
- ;; We assume that we have been successful in getting double issues and
- ;; hence multiply all costs by two insns per cycle. The minimum time in
- ;; a function unit is 2 cycle, which will tend to produce the double
- ;; issues.
-
- ;; Memory delivers its result in three cycles.
- (define_function_unit "abox" 1 0 (eq_attr "type" "ld,ldsym,st") 6 2)
-
- ;; Branches have no delay cost, but do tie up the unit for two cycles.
- (define_function_unit "bbox" 1 1 (eq_attr "type" "ibr,fbr,jsr") 4 4)
-
- ;; Arithmetic insns are normally have their results available after two
- ;; cycles. There are a number of exceptions. They are encoded in
- ;; ADJUST_COST. Some of the other insns have similar exceptions.
-
- (define_function_unit "ebox" 1 0 (eq_attr "type" "iaddlog,shiftcm,icmp") 4 2)
-
- ;; These really don't take up the integer pipeline, but they do occupy
- ;; IBOX1; we approximate here.
-
- (define_function_unit "ebox" 1 0 (eq_attr "type" "imull") 42 2)
- (define_function_unit "ebox" 1 0 (eq_attr "type" "imulq") 46 2)
-
- (define_function_unit "imult" 1 0 (eq_attr "type" "imull") 42 38)
- (define_function_unit "imult" 1 0 (eq_attr "type" "imulq") 46 42)
-
- (define_function_unit "fbox" 1 0 (eq_attr "type" "fpop") 12 2)
-
- (define_function_unit "fbox" 1 0 (eq_attr "type" "fdivs") 68 0)
- (define_function_unit "fbox" 1 0 (eq_attr "type" "fdivt") 126 0)
-
- (define_function_unit "divider" 1 0 (eq_attr "type" "fdivs") 68 60)
- (define_function_unit "divider" 1 0 (eq_attr "type" "fdivt") 126 118)
-
- ;; First define the arithmetic insns. Note that the 32-bit forms also
- ;; sign-extend.
-
- ;; Note that we can do sign extensions in both FP and integer registers.
- ;; However, the result must be in the same type of register as the input.
- ;; The register preferencing code can't handle this case very well, so, for
- ;; now, don't let the FP case show up here for preferencing. Also,
- ;; sign-extends in FP registers take two instructions.
- (define_insn "extendsidi2"
- [(set (match_operand:DI 0 "register_operand" "=r,r,*f")
- (sign_extend:DI (match_operand:SI 1 "nonimmediate_operand" "r,m,*f")))]
- ""
- "@
- addl %1,$31,%0
- ldl %0,%1
- cvtql %1,%0\;cvtlq %0,%0"
- [(set_attr "type" "iaddlog,ld,fpop")])
-
- ;; Do addsi3 the way expand_binop would do if we didn't have one. This
- ;; generates better code. We have the anonymous addsi3 pattern below in
- ;; case combine wants to make it.
- (define_expand "addsi3"
- [(set (match_operand:SI 0 "register_operand" "")
- (plus:SI (match_operand:SI 1 "reg_or_0_operand" "")
- (match_operand:SI 2 "add_operand" "")))]
- ""
- "
- { emit_insn (gen_rtx (SET, VOIDmode, gen_lowpart (DImode, operands[0]),
- gen_rtx (PLUS, DImode,
- gen_lowpart (DImode, operands[1]),
- gen_lowpart (DImode, operands[2]))));
- DONE;
- } ")
-
- (define_insn ""
- [(set (match_operand:SI 0 "register_operand" "=r,r,r,r")
- (plus:SI (match_operand:SI 1 "reg_or_0_operand" "%rJ,rJ,rJ,rJ")
- (match_operand:SI 2 "add_operand" "rI,O,K,L")))]
- ""
- "@
- addl %r1,%2,%0
- subl %r1,%n2,%0
- lda %0,%2(%r1)
- ldah %0,%h2(%r1)"
- [(set_attr "type" "iaddlog")])
-
- (define_split
- [(set (match_operand:SI 0 "register_operand" "")
- (plus:SI (match_operand:SI 1 "register_operand" "")
- (match_operand:SI 2 "const_int_operand" "")))]
- "! add_operand (operands[2], SImode)"
- [(set (match_dup 0) (plus:SI (match_dup 1) (match_dup 3)))
- (set (match_dup 0) (plus:SI (match_dup 0) (match_dup 4)))]
- "
- {
- HOST_WIDE_INT val = INTVAL (operands[2]);
- HOST_WIDE_INT low = (val & 0xffff) - 2 * (val & 0x8000);
- HOST_WIDE_INT rest = val - low;
-
- operands[3] = GEN_INT (rest);
- operands[4] = GEN_INT (low);
- }")
-
- (define_insn ""
- [(set (match_operand:DI 0 "register_operand" "=r,r")
- (sign_extend:DI
- (plus:SI (match_operand:SI 1 "reg_or_0_operand" "%rJ,rJ")
- (match_operand:SI 2 "sext_add_operand" "rI,O"))))]
- ""
- "@
- addl %r1,%2,%0
- subl %r1,%n2,%0"
- [(set_attr "type" "iaddlog")])
-
- (define_split
- [(set (match_operand:DI 0 "register_operand" "")
- (sign_extend:DI
- (plus:SI (match_operand:SI 1 "register_operand" "")
- (match_operand:SI 2 "const_int_operand" ""))))
- (clobber (match_operand:SI 3 "register_operand" ""))]
- "! sext_add_operand (operands[2], SImode) && INTVAL (operands[2]) > 0
- && INTVAL (operands[2]) % 4 == 0"
- [(set (match_dup 3) (match_dup 4))
- (set (match_dup 0) (sign_extend:DI (plus:SI (mult:SI (match_dup 3)
- (match_dup 5))
- (match_dup 1))))]
- "
- {
- HOST_WIDE_INT val = INTVAL (operands[2]) / 4;
- int mult = 4;
-
- if (val % 2 == 0)
- val /= 2, mult = 8;
-
- operands[4] = GEN_INT (val);
- operands[5] = GEN_INT (mult);
- }")
-
- (define_split
- [(set (match_operand:DI 0 "register_operand" "")
- (sign_extend:DI
- (plus:SI (match_operator:SI 1 "comparison_operator"
- [(match_operand 2 "" "")
- (match_operand 3 "" "")])
- (match_operand:SI 4 "add_operand" ""))))
- (clobber (match_operand:DI 5 "register_operand" ""))]
- ""
- [(set (match_dup 5) (match_dup 6))
- (set (match_dup 0) (sign_extend:DI (plus:SI (match_dup 7) (match_dup 4))))]
- "
- {
- operands[6] = gen_rtx (GET_CODE (operands[1]), DImode,
- operands[2], operands[3]);
- operands[7] = gen_lowpart (SImode, operands[5]);
- }")
-
- (define_insn "adddi3"
- [(set (match_operand:DI 0 "register_operand" "=r,r,r,r")
- (plus:DI (match_operand:DI 1 "reg_or_0_operand" "%rJ,rJ,rJ,rJ")
- (match_operand:DI 2 "add_operand" "rI,O,K,L")))]
- ""
- "@
- addq %r1,%2,%0
- subq %r1,%n2,%0
- lda %0,%2(%r1)
- ldah %0,%h2(%r1)"
- [(set_attr "type" "iaddlog")])
-
- ;; Don't do this if we are adjusting SP since we don't want to do
- ;; it in two steps.
- (define_split
- [(set (match_operand:DI 0 "register_operand" "")
- (plus:DI (match_operand:DI 1 "register_operand" "")
- (match_operand:DI 2 "const_int_operand" "")))]
- "! add_operand (operands[2], DImode)
- && REGNO (operands[0]) != STACK_POINTER_REGNUM"
- [(set (match_dup 0) (plus:DI (match_dup 1) (match_dup 3)))
- (set (match_dup 0) (plus:DI (match_dup 0) (match_dup 4)))]
- "
- {
- HOST_WIDE_INT val = INTVAL (operands[2]);
- HOST_WIDE_INT low = (val & 0xffff) - 2 * (val & 0x8000);
- HOST_WIDE_INT rest = val - low;
-
- operands[3] = GEN_INT (rest);
- operands[4] = GEN_INT (low);
- }")
-
- (define_insn ""
- [(set (match_operand:SI 0 "register_operand" "=r,r")
- (plus:SI (mult:SI (match_operand:SI 1 "reg_or_0_operand" "rJ,rJ")
- (match_operand:SI 2 "const48_operand" "I,I"))
- (match_operand:SI 3 "sext_add_operand" "rI,O")))]
- ""
- "@
- s%2addl %r1,%3,%0
- s%2subl %r1,%n3,%0"
- [(set_attr "type" "iaddlog")])
-
- (define_insn ""
- [(set (match_operand:DI 0 "register_operand" "=r,r")
- (sign_extend:DI
- (plus:SI (mult:SI (match_operand:SI 1 "reg_or_0_operand" "rJ,rJ")
- (match_operand:SI 2 "const48_operand" "I,I"))
- (match_operand:SI 3 "sext_add_operand" "rI,O"))))]
- ""
- "@
- s%2addl %r1,%3,%0
- s%2subl %r1,%n3,%0"
- [(set_attr "type" "iaddlog")])
-
- (define_split
- [(set (match_operand:DI 0 "register_operand" "")
- (sign_extend:DI
- (plus:SI (mult:SI (match_operator:SI 1 "comparison_operator"
- [(match_operand 2 "" "")
- (match_operand 3 "" "")])
- (match_operand:SI 4 "const48_operand" ""))
- (match_operand:SI 5 "add_operand" ""))))
- (clobber (match_operand:DI 6 "register_operand" ""))]
- ""
- [(set (match_dup 6) (match_dup 7))
- (set (match_dup 0)
- (sign_extend:DI (plus:SI (mult:SI (match_dup 8) (match_dup 4))
- (match_dup 5))))]
- "
- {
- operands[7] = gen_rtx (GET_CODE (operands[1]), DImode,
- operands[2], operands[3]);
- operands[8] = gen_lowpart (SImode, operands[6]);
- }")
-
- (define_insn ""
- [(set (match_operand:DI 0 "register_operand" "=r,r")
- (plus:DI (mult:DI (match_operand:DI 1 "reg_or_0_operand" "rJ,rJ")
- (match_operand:DI 2 "const48_operand" "I,I"))
- (match_operand:DI 3 "reg_or_8bit_operand" "rI,O")))]
- ""
- "@
- s%2addq %r1,%3,%0
- s%2subq %1,%n3,%0"
- [(set_attr "type" "iaddlog")])
-
- ;; These variants of the above insns can occur if the third operand
- ;; is the frame pointer. This is a kludge, but there doesn't
- ;; seem to be a way around it. Only recognize them while reloading.
-
- (define_insn ""
- [(set (match_operand:DI 0 "register_operand" "=&r")
- (plus:DI (plus:DI (match_operand:DI 1 "register_operand" "r")
- (match_operand:DI 2 "register_operand" "r"))
- (match_operand:DI 3 "add_operand" "rIOKL")))]
- "reload_in_progress"
- "#"
- [(set_attr "type" "iaddlog")])
-
- (define_split
- [(set (match_operand:DI 0 "register_operand" "")
- (plus:DI (plus:DI (match_operand:DI 1 "register_operand" "")
- (match_operand:DI 2 "register_operand" ""))
- (match_operand:DI 3 "add_operand" "")))]
- "reload_completed"
- [(set (match_dup 0) (plus:DI (match_dup 1) (match_dup 2)))
- (set (match_dup 0) (plus:DI (match_dup 0) (match_dup 3)))]
- "")
-
- (define_insn ""
- [(set (match_operand:SI 0 "register_operand" "=&r")
- (plus:SI (plus:SI (mult:SI (match_operand:SI 1 "reg_or_0_operand" "rJ")
- (match_operand:SI 2 "const48_operand" "I"))
- (match_operand:SI 3 "register_operand" "r"))
- (match_operand:SI 4 "add_operand" "rIOKL")))]
- "reload_in_progress"
- "#"
- [(set_attr "type" "iaddlog")])
-
- (define_split
- [(set (match_operand:SI 0 "register_operand" "r")
- (plus:SI (plus:SI (mult:SI (match_operand:SI 1 "reg_or_0_operand" "")
- (match_operand:SI 2 "const48_operand" ""))
- (match_operand:SI 3 "register_operand" ""))
- (match_operand:SI 4 "add_operand" "rIOKL")))]
- "reload_completed"
- [(set (match_dup 0)
- (plus:SI (mult:SI (match_dup 1) (match_dup 2)) (match_dup 3)))
- (set (match_dup 0) (plus:SI (match_dup 0) (match_dup 4)))]
- "")
-
- (define_insn ""
- [(set (match_operand:DI 0 "register_operand" "=&r")
- (sign_extend:DI
- (plus:SI (plus:SI
- (mult:SI (match_operand:SI 1 "reg_or_0_operand" "rJ")
- (match_operand:SI 2 "const48_operand" "I"))
- (match_operand:SI 3 "register_operand" "r"))
- (match_operand:SI 4 "add_operand" "rIOKL"))))]
- "reload_in_progress"
- "#"
- [(set_attr "type" "iaddlog")])
-
- (define_split
- [(set (match_operand:DI 0 "register_operand" "")
- (sign_extend:DI
- (plus:SI (plus:SI
- (mult:SI (match_operand:SI 1 "reg_or_0_operand" "")
- (match_operand:SI 2 "const48_operand" ""))
- (match_operand:SI 3 "register_operand" ""))
- (match_operand:SI 4 "add_operand" ""))))]
- "reload_completed"
- [(set (match_dup 5)
- (plus:SI (mult:SI (match_dup 1) (match_dup 2)) (match_dup 3)))
- (set (match_dup 0) (sign_extend:DI (plus:SI (match_dup 5) (match_dup 4))))]
- "
- { operands[5] = gen_lowpart (SImode, operands[0]);
- }")
-
- (define_insn ""
- [(set (match_operand:DI 0 "register_operand" "=&r")
- (plus:DI (plus:DI (mult:DI (match_operand:DI 1 "reg_or_0_operand" "rJ")
- (match_operand:DI 2 "const48_operand" "I"))
- (match_operand:DI 3 "register_operand" "r"))
- (match_operand:DI 4 "add_operand" "rIOKL")))]
- "reload_in_progress"
- "s%2addq %r1,%3,%0\;addq %0,%4,%0"
- [(set_attr "type" "iaddlog")])
-
- (define_split
- [(set (match_operand:DI 0 "register_operand" "=")
- (plus:DI (plus:DI (mult:DI (match_operand:DI 1 "reg_or_0_operand" "")
- (match_operand:DI 2 "const48_operand" ""))
- (match_operand:DI 3 "register_operand" ""))
- (match_operand:DI 4 "add_operand" "")))]
- "reload_completed"
- [(set (match_dup 0)
- (plus:DI (mult:DI (match_dup 1) (match_dup 2)) (match_dup 3)))
- (set (match_dup 0) (plus:DI (match_dup 0) (match_dup 4)))]
- "")
-
- (define_insn "negsi2"
- [(set (match_operand:SI 0 "register_operand" "=r")
- (neg:SI (match_operand:SI 1 "reg_or_8bit_operand" "rI")))]
- ""
- "subl $31,%1,%0"
- [(set_attr "type" "iaddlog")])
-
- (define_insn ""
- [(set (match_operand:DI 0 "register_operand" "=r")
- (sign_extend:DI (neg:SI
- (match_operand:SI 1 "reg_or_8bit_operand" "rI"))))]
- ""
- "subl $31,%1,%0"
- [(set_attr "type" "iaddlog")])
-
- (define_insn "negdi2"
- [(set (match_operand:DI 0 "register_operand" "=r")
- (neg:DI (match_operand:DI 1 "reg_or_8bit_operand" "rI")))]
- ""
- "subq $31,%1,%0"
- [(set_attr "type" "iaddlog")])
-
- (define_expand "subsi3"
- [(set (match_operand:SI 0 "register_operand" "")
- (minus:SI (match_operand:SI 1 "reg_or_0_operand" "")
- (match_operand:SI 2 "reg_or_8bit_operand" "")))]
- ""
- "
- { emit_insn (gen_rtx (SET, VOIDmode, gen_lowpart (DImode, operands[0]),
- gen_rtx (MINUS, DImode,
- gen_lowpart (DImode, operands[1]),
- gen_lowpart (DImode, operands[2]))));
- DONE;
-
- } ")
-
- (define_insn ""
- [(set (match_operand:SI 0 "register_operand" "=r")
- (minus:SI (match_operand:SI 1 "reg_or_0_operand" "rJ")
- (match_operand:SI 2 "reg_or_8bit_operand" "rI")))]
- ""
- "subl %r1,%2,%0"
- [(set_attr "type" "iaddlog")])
-
- (define_insn ""
- [(set (match_operand:DI 0 "register_operand" "=r")
- (sign_extend:DI (minus:SI (match_operand:SI 1 "reg_or_0_operand" "rJ")
- (match_operand:SI 2 "reg_or_8bit_operand" "rI"))))]
- ""
- "subl %r1,%2,%0"
- [(set_attr "type" "iaddlog")])
-
- (define_insn "subdi3"
- [(set (match_operand:DI 0 "register_operand" "=r")
- (minus:DI (match_operand:DI 1 "reg_or_0_operand" "rJ")
- (match_operand:DI 2 "reg_or_8bit_operand" "rI")))]
- ""
- "subq %r1,%2,%0"
- [(set_attr "type" "iaddlog")])
-
- (define_insn ""
- [(set (match_operand:SI 0 "register_operand" "=r")
- (minus:SI (mult:SI (match_operand:SI 1 "reg_or_0_operand" "rJ")
- (match_operand:SI 2 "const48_operand" "I"))
- (match_operand:SI 3 "reg_or_8bit_operand" "rI")))]
- ""
- "s%2subl %r1,%3,%0"
- [(set_attr "type" "iaddlog")])
-
- (define_insn ""
- [(set (match_operand:DI 0 "register_operand" "=r")
- (sign_extend:DI
- (minus:SI (mult:SI (match_operand:SI 1 "reg_or_0_operand" "rJ")
- (match_operand:SI 2 "const48_operand" "I"))
- (match_operand:SI 3 "reg_or_8bit_operand" "rI"))))]
- ""
- "s%2subl %r1,%3,%0"
- [(set_attr "type" "iaddlog")])
-
- (define_insn ""
- [(set (match_operand:DI 0 "register_operand" "=r")
- (minus:DI (mult:DI (match_operand:DI 1 "reg_or_0_operand" "rJ")
- (match_operand:DI 2 "const48_operand" "I"))
- (match_operand:DI 3 "reg_or_8bit_operand" "rI")))]
- ""
- "s%2subq %r1,%3,%0"
- [(set_attr "type" "iaddlog")])
-
- (define_insn "mulsi3"
- [(set (match_operand:SI 0 "register_operand" "=r")
- (mult:SI (match_operand:SI 1 "reg_or_0_operand" "%rJ")
- (match_operand:SI 2 "reg_or_0_operand" "rJ")))]
- ""
- "mull %r1,%r2,%0"
- [(set_attr "type" "imull")])
-
- (define_insn ""
- [(set (match_operand:DI 0 "register_operand" "=r")
- (sign_extend:DI (mult:SI (match_operand:SI 1 "reg_or_0_operand" "%rJ")
- (match_operand:SI 2 "reg_or_0_operand" "rJ"))))]
- ""
- "mull %r1,%r2,%0"
- [(set_attr "type" "imull")])
-
- (define_insn "muldi3"
- [(set (match_operand:DI 0 "register_operand" "=r")
- (mult:DI (match_operand:DI 1 "reg_or_0_operand" "%rJ")
- (match_operand:DI 2 "reg_or_0_operand" "rJ")))]
- ""
- "mulq %r1,%r2,%0"
- [(set_attr "type" "imulq")])
-
- (define_insn "umuldi3_highpart"
- [(set (match_operand:DI 0 "register_operand" "=r")
- (truncate:DI
- (lshiftrt:TI
- (mult:TI (zero_extend:TI (match_operand:DI 1 "register_operand" "r"))
- (zero_extend:TI (match_operand:DI 2 "register_operand" "r")))
- (const_int 64))))]
- ""
- "umulh %1,%2,%0"
- [(set_attr "type" "imulq")])
-
- (define_insn ""
- [(set (match_operand:DI 0 "register_operand" "=r")
- (truncate:DI
- (lshiftrt:TI
- (mult:TI (zero_extend:TI (match_operand:DI 1 "register_operand" "r"))
- (match_operand:TI 2 "cint8_operand" "I"))
- (const_int 64))))]
- ""
- "umulh %1,%2,%0"
- [(set_attr "type" "imulq")])
-
- ;; The divide and remainder operations always take their inputs from
- ;; r24 and r25, put their output in r27, and clobber r23 and r28.
-
- (define_expand "divsi3"
- [(set (reg:SI 24) (match_operand:SI 1 "input_operand" ""))
- (set (reg:SI 25) (match_operand:SI 2 "input_operand" ""))
- (parallel [(set (reg:SI 27)
- (div:SI (reg:SI 24)
- (reg:SI 25)))
- (clobber (reg:DI 23))
- (clobber (reg:DI 28))])
- (set (match_operand:SI 0 "general_operand" "")
- (reg:SI 27))]
- ""
- "")
-
- (define_expand "udivsi3"
- [(set (reg:SI 24) (match_operand:SI 1 "input_operand" ""))
- (set (reg:SI 25) (match_operand:SI 2 "input_operand" ""))
- (parallel [(set (reg:SI 27)
- (udiv:SI (reg:SI 24)
- (reg:SI 25)))
- (clobber (reg:DI 23))
- (clobber (reg:DI 28))])
- (set (match_operand:SI 0 "general_operand" "")
- (reg:SI 27))]
- ""
- "")
-
- (define_expand "modsi3"
- [(set (reg:SI 24) (match_operand:SI 1 "input_operand" ""))
- (set (reg:SI 25) (match_operand:SI 2 "input_operand" ""))
- (parallel [(set (reg:SI 27)
- (mod:SI (reg:SI 24)
- (reg:SI 25)))
- (clobber (reg:DI 23))
- (clobber (reg:DI 28))])
- (set (match_operand:SI 0 "general_operand" "")
- (reg:SI 27))]
- ""
- "")
-
- (define_expand "umodsi3"
- [(set (reg:SI 24) (match_operand:SI 1 "input_operand" ""))
- (set (reg:SI 25) (match_operand:SI 2 "input_operand" ""))
- (parallel [(set (reg:SI 27)
- (umod:SI (reg:SI 24)
- (reg:SI 25)))
- (clobber (reg:DI 23))
- (clobber (reg:DI 28))])
- (set (match_operand:SI 0 "general_operand" "")
- (reg:SI 27))]
- ""
- "")
-
- (define_expand "divdi3"
- [(set (reg:DI 24) (match_operand:DI 1 "input_operand" ""))
- (set (reg:DI 25) (match_operand:DI 2 "input_operand" ""))
- (parallel [(set (reg:DI 27)
- (div:DI (reg:DI 24)
- (reg:DI 25)))
- (clobber (reg:DI 23))
- (clobber (reg:DI 28))])
- (set (match_operand:DI 0 "general_operand" "")
- (reg:DI 27))]
- ""
- "")
-
- (define_expand "udivdi3"
- [(set (reg:DI 24) (match_operand:DI 1 "input_operand" ""))
- (set (reg:DI 25) (match_operand:DI 2 "input_operand" ""))
- (parallel [(set (reg:DI 27)
- (udiv:DI (reg:DI 24)
- (reg:DI 25)))
- (clobber (reg:DI 23))
- (clobber (reg:DI 28))])
- (set (match_operand:DI 0 "general_operand" "")
- (reg:DI 27))]
- ""
- "")
-
- (define_expand "moddi3"
- [(set (reg:DI 24) (match_operand:DI 1 "input_operand" ""))
- (set (reg:DI 25) (match_operand:DI 2 "input_operand" ""))
- (parallel [(set (reg:DI 27)
- (mod:DI (reg:DI 24)
- (reg:DI 25)))
- (clobber (reg:DI 23))
- (clobber (reg:DI 28))])
- (set (match_operand:DI 0 "general_operand" "")
- (reg:DI 27))]
- ""
- "")
-
- (define_expand "umoddi3"
- [(set (reg:DI 24) (match_operand:DI 1 "input_operand" ""))
- (set (reg:DI 25) (match_operand:DI 2 "input_operand" ""))
- (parallel [(set (reg:DI 27)
- (umod:DI (reg:DI 24)
- (reg:DI 25)))
- (clobber (reg:DI 23))
- (clobber (reg:DI 28))])
- (set (match_operand:DI 0 "general_operand" "")
- (reg:DI 27))]
- ""
- "")
-
- (define_insn ""
- [(set (reg:SI 27)
- (match_operator:SI 1 "divmod_operator"
- [(reg:SI 24) (reg:SI 25)]))
- (clobber (reg:DI 23))
- (clobber (reg:DI 28))]
- ""
- "%E1 $24,$25,$27"
- [(set_attr "type" "isubr")])
-
- (define_insn ""
- [(set (reg:DI 27)
- (match_operator:DI 1 "divmod_operator"
- [(reg:DI 24) (reg:DI 25)]))
- (clobber (reg:DI 23))
- (clobber (reg:DI 28))]
- ""
- "%E1 $24,$25,$27"
- [(set_attr "type" "isubr")])
-
- ;; Next are the basic logical operations. These only exist in DImode.
-
- (define_insn "anddi3"
- [(set (match_operand:DI 0 "register_operand" "=r,r,r")
- (and:DI (match_operand:DI 1 "reg_or_0_operand" "%rJ,rJ,rJ")
- (match_operand:DI 2 "and_operand" "rI,N,MH")))]
- ""
- "@
- and %r1,%2,%0
- bic %r1,%N2,%0
- zapnot %r1,%m2,%0"
- [(set_attr "type" "iaddlog,iaddlog,shiftcm")])
-
- ;; There are times when we can split and AND into two AND insns. This occurs
- ;; when we can first clear any bytes and then clear anything else. For
- ;; example "I & 0xffff07" is "(I & 0xffffff) & 0xffffffffffffff07".
- ;; Only to this when running on 64-bit host since the computations are
- ;; too messy otherwise.
-
- (define_split
- [(set (match_operand:DI 0 "register_operand" "")
- (and:DI (match_operand:DI 1 "register_operand" "")
- (match_operand:DI 2 "const_int_operand" "")))]
- "HOST_BITS_PER_WIDE_INT == 64 && ! and_operand (operands[2], DImode)"
- [(set (match_dup 0) (and:DI (match_dup 1) (match_dup 3)))
- (set (match_dup 0) (and:DI (match_dup 0) (match_dup 4)))]
- "
- {
- unsigned HOST_WIDE_INT mask1 = INTVAL (operands[2]);
- unsigned HOST_WIDE_INT mask2 = mask1;
- int i;
-
- /* For each byte that isn't all zeros, make it all ones. */
- for (i = 0; i < 64; i += 8)
- if ((mask1 & ((HOST_WIDE_INT) 0xff << i)) != 0)
- mask1 |= (HOST_WIDE_INT) 0xff << i;
-
- /* Now turn on any bits we've just turned off. */
- mask2 |= ~ mask1;
-
- operands[3] = GEN_INT (mask1);
- operands[4] = GEN_INT (mask2);
- }")
-
- (define_insn "zero_extendqihi2"
- [(set (match_operand:HI 0 "register_operand" "=r")
- (zero_extend:HI (match_operand:QI 1 "register_operand" "r")))]
- ""
- "zapnot %1,1,%0"
- [(set_attr "type" "iaddlog")])
-
- (define_insn "zero_extendqisi2"
- [(set (match_operand:SI 0 "register_operand" "=r")
- (zero_extend:SI (match_operand:QI 1 "register_operand" "r")))]
- ""
- "zapnot %1,1,%0"
- [(set_attr "type" "iaddlog")])
-
- (define_insn "zero_extendqidi2"
- [(set (match_operand:DI 0 "register_operand" "=r")
- (zero_extend:DI (match_operand:QI 1 "register_operand" "r")))]
- ""
- "zapnot %1,1,%0"
- [(set_attr "type" "iaddlog")])
-
- (define_insn "zero_extendhisi2"
- [(set (match_operand:SI 0 "register_operand" "=r")
- (zero_extend:SI (match_operand:HI 1 "register_operand" "r")))]
- ""
- "zapnot %1,3,%0"
- [(set_attr "type" "iaddlog")])
-
- (define_insn "zero_extendhidi2"
- [(set (match_operand:DI 0 "register_operand" "=r")
- (zero_extend:DI (match_operand:HI 1 "register_operand" "r")))]
- ""
- "zapnot %1,3,%0"
- [(set_attr "type" "iaddlog")])
-
- (define_insn "zero_extendsidi2"
- [(set (match_operand:DI 0 "register_operand" "=r")
- (zero_extend:DI (match_operand:SI 1 "register_operand" "r")))]
- ""
- "zapnot %1,15,%0"
- [(set_attr "type" "iaddlog")])
-
- (define_insn ""
- [(set (match_operand:DI 0 "register_operand" "=r")
- (and:DI (not:DI (match_operand:DI 1 "reg_or_8bit_operand" "rI"))
- (match_operand:DI 2 "reg_or_0_operand" "rJ")))]
- ""
- "bic %r2,%1,%0"
- [(set_attr "type" "iaddlog")])
-
- (define_insn "iordi3"
- [(set (match_operand:DI 0 "register_operand" "=r,r")
- (ior:DI (match_operand:DI 1 "reg_or_0_operand" "%rJ,rJ")
- (match_operand:DI 2 "or_operand" "rI,N")))]
- ""
- "@
- bis %r1,%2,%0
- ornot %r1,%N2,%0"
- [(set_attr "type" "iaddlog")])
-
- (define_insn "one_cmpldi2"
- [(set (match_operand:DI 0 "register_operand" "=r")
- (not:DI (match_operand:DI 1 "reg_or_8bit_operand" "rI")))]
- ""
- "ornot $31,%1,%0"
- [(set_attr "type" "iaddlog")])
-
- (define_insn ""
- [(set (match_operand:DI 0 "register_operand" "=r")
- (ior:DI (not:DI (match_operand:DI 1 "reg_or_8bit_operand" "rI"))
- (match_operand:DI 2 "reg_or_0_operand" "rJ")))]
- ""
- "ornot %r2,%1,%0"
- [(set_attr "type" "iaddlog")])
-
- (define_insn "xordi3"
- [(set (match_operand:DI 0 "register_operand" "=r,r")
- (xor:DI (match_operand:DI 1 "reg_or_0_operand" "%rJ,rJ")
- (match_operand:DI 2 "or_operand" "rI,N")))]
- ""
- "@
- xor %r1,%2,%0
- eqv %r1,%N2,%0"
- [(set_attr "type" "iaddlog")])
-
- (define_insn ""
- [(set (match_operand:DI 0 "register_operand" "=r")
- (not:DI (xor:DI (match_operand:DI 1 "register_operand" "%rJ")
- (match_operand:DI 2 "register_operand" "rI"))))]
- ""
- "eqv %r1,%2,%0"
- [(set_attr "type" "iaddlog")])
-
- ;; Next come the shifts and the various extract and insert operations.
-
- (define_insn "ashldi3"
- [(set (match_operand:DI 0 "register_operand" "=r,r")
- (ashift:DI (match_operand:DI 1 "reg_or_0_operand" "rJ,rJ")
- (match_operand:DI 2 "reg_or_6bit_operand" "P,rI")))]
- ""
- "*
- {
- switch (which_alternative)
- {
- case 0:
- if (operands[2] == const1_rtx)
- return \"addq %r1,%r1,%0\";
- else
- return \"s%P2addq %r1,0,%0\";
- case 1:
- return \"sll %r1,%2,%0\";
- }
- }"
- [(set_attr "type" "iaddlog,shiftcm")])
-
- (define_insn ""
- [(set (match_operand:DI 0 "register_operand" "=r")
- (sign_extend:DI
- (subreg:SI (ashift:DI (match_operand:DI 1 "reg_or_0_operand" "rJ")
- (match_operand:DI 2 "const_int_operand" "P"))
- 0)))]
- "INTVAL (operands[2]) >= 1 && INTVAL (operands[2]) <= 3"
- "*
- {
- if (operands[2] == const1_rtx)
- return \"addl %r1,%r1,%0\";
- else
- return \"s%P2addl %r1,0,%0\";
- }"
- [(set_attr "type" "iaddlog")])
-
- (define_insn "lshrdi3"
- [(set (match_operand:DI 0 "register_operand" "=r")
- (lshiftrt:DI (match_operand:DI 1 "reg_or_0_operand" "rJ")
- (match_operand:DI 2 "reg_or_6bit_operand" "rI")))]
- ""
- "srl %r1,%2,%0")
-
- (define_insn "ashrdi3"
- [(set (match_operand:DI 0 "register_operand" "=r")
- (ashiftrt:DI (match_operand:DI 1 "reg_or_0_operand" "rJ")
- (match_operand:DI 2 "reg_or_6bit_operand" "rI")))]
- ""
- "sra %r1,%2,%0")
-
- (define_expand "extendqihi2"
- [(set (match_dup 2)
- (ashift:DI (match_operand:QI 1 "register_operand" "")
- (const_int 56)))
- (set (match_operand:HI 0 "register_operand" "")
- (ashiftrt:DI (match_dup 2)
- (const_int 56)))]
- ""
- "
- { operands[0] = gen_lowpart (DImode, operands[0]);
- operands[1] = gen_lowpart (DImode, operands[1]);
- operands[2] = gen_reg_rtx (DImode);
- }")
-
- (define_expand "extendqisi2"
- [(set (match_dup 2)
- (ashift:DI (match_operand:QI 1 "register_operand" "")
- (const_int 56)))
- (set (match_operand:SI 0 "register_operand" "")
- (ashiftrt:DI (match_dup 2)
- (const_int 56)))]
- ""
- "
- { operands[0] = gen_lowpart (DImode, operands[0]);
- operands[1] = gen_lowpart (DImode, operands[1]);
- operands[2] = gen_reg_rtx (DImode);
- }")
-
- (define_expand "extendqidi2"
- [(set (match_dup 2)
- (ashift:DI (match_operand:QI 1 "register_operand" "")
- (const_int 56)))
- (set (match_operand:DI 0 "register_operand" "")
- (ashiftrt:DI (match_dup 2)
- (const_int 56)))]
- ""
- "
- { operands[1] = gen_lowpart (DImode, operands[1]);
- operands[2] = gen_reg_rtx (DImode);
- }")
-
- (define_expand "extendhisi2"
- [(set (match_dup 2)
- (ashift:DI (match_operand:HI 1 "register_operand" "")
- (const_int 48)))
- (set (match_operand:SI 0 "register_operand" "")
- (ashiftrt:DI (match_dup 2)
- (const_int 48)))]
- ""
- "
- { operands[0] = gen_lowpart (DImode, operands[0]);
- operands[1] = gen_lowpart (DImode, operands[1]);
- operands[2] = gen_reg_rtx (DImode);
- }")
-
- (define_expand "extendhidi2"
- [(set (match_dup 2)
- (ashift:DI (match_operand:HI 1 "register_operand" "")
- (const_int 48)))
- (set (match_operand:DI 0 "register_operand" "")
- (ashiftrt:DI (match_dup 2)
- (const_int 48)))]
- ""
- "
- { operands[1] = gen_lowpart (DImode, operands[1]);
- operands[2] = gen_reg_rtx (DImode);
- }")
-
- (define_insn ""
- [(set (match_operand:DI 0 "register_operand" "=r")
- (zero_extract:DI (match_operand:DI 1 "reg_or_0_operand" "rJ")
- (match_operand:DI 2 "mode_width_operand" "n")
- (match_operand:DI 3 "mul8_operand" "I")))]
- ""
- "ext%M2l %r1,%s3,%0")
-
- (define_insn ""
- [(set (match_operand:DI 0 "register_operand" "=r")
- (zero_extract:DI (match_operand:DI 1 "reg_or_0_operand" "rJ")
- (match_operand:DI 2 "mode_width_operand" "n")
- (ashift:DI (match_operand:DI 3 "reg_or_8bit_operand" "rI")
- (const_int 3))))]
- ""
- "ext%M2l %r1,%3,%0")
-
- (define_insn ""
- [(set (match_operand:DI 0 "register_operand" "=r")
- (ashift:DI
- (zero_extract:DI (match_operand:DI 1 "reg_or_0_operand" "rJ")
- (const_int 8)
- (ashift:DI
- (plus:DI
- (match_operand:DI 2 "reg_or_8bit_operand" "rI")
- (const_int -1))
- (const_int 3)))
- (const_int 56)))]
- ""
- "extqh %r1,%2,%0")
-
- (define_insn ""
- [(set (match_operand:DI 0 "register_operand" "=r")
- (ashift:DI
- (zero_extract:DI (match_operand:DI 1 "reg_or_0_operand" "rJ")
- (const_int 16)
- (ashift:DI
- (plus:DI
- (match_operand:DI 2 "reg_or_8bit_operand" "rI")
- (const_int -2))
- (const_int 3)))
- (const_int 48)))]
- ""
- "extwh %r1,%2,%0")
-
- (define_insn ""
- [(set (match_operand:DI 0 "register_operand" "=r")
- (ashift:DI
- (zero_extract:DI (match_operand:DI 1 "reg_or_0_operand" "rJ")
- (const_int 32)
- (ashift:DI
- (plus:DI
- (match_operand:DI 2 "reg_or_8bit_operand" "rI")
- (const_int -4))
- (const_int 3)))
- (const_int 32)))]
- ""
- "extlh %r1,%2,%0")
-
- ;; This converts an extXl into an extXh with an appropriate adjustment
- ;; to the address calculation.
-
- (define_split
- [(set (match_operand:DI 0 "register_operand" "")
- (ashift:DI (zero_extract:DI (match_operand:DI 1 "register_operand" "")
- (match_operand:DI 2 "mode_width_operand" "")
- (ashift:DI (match_operand:DI 3 "" "")
- (const_int 3)))
- (match_operand:DI 4 "const_int_operand" "")))
- (clobber (match_operand:DI 5 "register_operand" ""))]
- "INTVAL (operands[4]) == 64 - INTVAL (operands[2])"
- [(set (match_dup 5) (match_dup 6))
- (set (match_dup 0)
- (ashift:DI (zero_extract:DI (match_dup 1) (match_dup 2)
- (ashift:DI (plus:DI (match_dup 5)
- (match_dup 7))
- (const_int 3)))
- (match_dup 4)))]
- "
- {
- operands[6] = plus_constant (operands[3],
- INTVAL (operands[2]) / BITS_PER_UNIT);
- operands[7] = GEN_INT (- INTVAL (operands[2]) / BITS_PER_UNIT);
- }")
-
- (define_insn ""
- [(set (match_operand:DI 0 "register_operand" "=r")
- (ashift:DI (zero_extend:DI (match_operand:QI 1 "register_operand" "r"))
- (match_operand:DI 2 "mul8_operand" "I")))]
- ""
- "insbl %1,%s2,%0")
-
- (define_insn ""
- [(set (match_operand:DI 0 "register_operand" "=r")
- (ashift:DI (zero_extend:DI (match_operand:HI 1 "register_operand" "r"))
- (match_operand:DI 2 "mul8_operand" "I")))]
- ""
- "inswl %1,%s2,%0")
-
- (define_insn ""
- [(set (match_operand:DI 0 "register_operand" "=r")
- (ashift:DI (zero_extend:DI (match_operand:SI 1 "register_operand" "r"))
- (match_operand:DI 2 "mul8_operand" "I")))]
- ""
- "insll %1,%s2,%0")
-
- (define_insn ""
- [(set (match_operand:DI 0 "register_operand" "=r")
- (ashift:DI (zero_extend:DI (match_operand:QI 1 "register_operand" "r"))
- (ashift:DI (match_operand:DI 2 "reg_or_8bit_operand" "rI")
- (const_int 3))))]
- ""
- "insbl %1,%2,%0")
-
- (define_insn ""
- [(set (match_operand:DI 0 "register_operand" "=r")
- (ashift:DI (zero_extend:DI (match_operand:HI 1 "register_operand" "r"))
- (ashift:DI (match_operand:DI 2 "reg_or_8bit_operand" "rI")
- (const_int 3))))]
- ""
- "inswl %1,%2,%0")
-
- (define_insn ""
- [(set (match_operand:DI 0 "register_operand" "=r")
- (ashift:DI (zero_extend:DI (match_operand:SI 1 "register_operand" "r"))
- (ashift:DI (match_operand:DI 2 "reg_or_8bit_operand" "rI")
- (const_int 3))))]
- ""
- "insll %1,%2,%0")
-
- ;; We do not include the insXh insns because they are complex to express
- ;; and it does not appear that we would ever want to generate them.
-
- (define_insn ""
- [(set (match_operand:DI 0 "register_operand" "=r")
- (and:DI (not:DI (ashift:DI
- (match_operand:DI 2 "mode_mask_operand" "n")
- (ashift:DI
- (match_operand:DI 3 "reg_or_8bit_operand" "rI")
- (const_int 3))))
- (match_operand:DI 1 "reg_or_0_operand" "rJ")))]
- ""
- "msk%U2l %r1,%3,%0")
-
- ;; We do not include the mskXh insns because it does not appear we would ever
- ;; generate one.
-
- ;; Floating-point operations. All the double-precision insns can extend
- ;; from single, so indicate that. The exception are the ones that simply
- ;; play with the sign bits; it's not clear what to do there.
-
- (define_insn "abssf2"
- [(set (match_operand:SF 0 "register_operand" "=f")
- (abs:SF (match_operand:SF 1 "reg_or_fp0_operand" "fG")))]
- "TARGET_FP"
- "cpys $f31,%R1,%0"
- [(set_attr "type" "fpop")])
-
- (define_insn "absdf2"
- [(set (match_operand:DF 0 "register_operand" "=f")
- (abs:DF (match_operand:DF 1 "reg_or_fp0_operand" "fG")))]
- "TARGET_FP"
- "cpys $f31,%R1,%0"
- [(set_attr "type" "fpop")])
-
- (define_insn "negsf2"
- [(set (match_operand:SF 0 "register_operand" "=f")
- (neg:SF (match_operand:SF 1 "reg_or_fp0_operand" "fG")))]
- "TARGET_FP"
- "cpysn %R1,%R1,%0"
- [(set_attr "type" "fpop")])
-
- (define_insn "negdf2"
- [(set (match_operand:DF 0 "register_operand" "=f")
- (neg:DF (match_operand:DF 1 "reg_or_fp0_operand" "fG")))]
- "TARGET_FP"
- "cpysn %R1,%R1,%0"
- [(set_attr "type" "fpop")])
-
- (define_insn "addsf3"
- [(set (match_operand:SF 0 "register_operand" "=f")
- (plus:SF (match_operand:SF 1 "reg_or_fp0_operand" "%fG")
- (match_operand:SF 2 "reg_or_fp0_operand" "fG")))]
- "TARGET_FP"
- "adds %R1,%R2,%0"
- [(set_attr "type" "fpop")])
-
- (define_insn "adddf3"
- [(set (match_operand:DF 0 "register_operand" "=f")
- (plus:DF (match_operand:DF 1 "reg_or_fp0_operand" "%fG")
- (match_operand:DF 2 "reg_or_fp0_operand" "fG")))]
- "TARGET_FP"
- "addt %R1,%R2,%0"
- [(set_attr "type" "fpop")])
-
- (define_insn ""
- [(set (match_operand:DF 0 "register_operand" "=f")
- (plus:DF (float_extend:DF
- (match_operand:SF 1 "reg_or_fp0_operand" "fG"))
- (match_operand:DF 2 "reg_or_fp0_operand" "fG")))]
- "TARGET_FP"
- "addt %R1,%R2,%0"
- [(set_attr "type" "fpop")])
-
- (define_insn ""
- [(set (match_operand:DF 0 "register_operand" "=f")
- (plus:DF (float_extend:DF
- (match_operand:SF 1 "reg_or_fp0_operand" "%fG"))
- (float_extend:DF
- (match_operand:SF 2 "reg_or_fp0_operand" "fG"))))]
- "TARGET_FP"
- "addt %R1,%R2,%0"
- [(set_attr "type" "fpop")])
-
- (define_insn "fix_truncdfdi2"
- [(set (match_operand:DI 0 "register_operand" "=f")
- (fix:DI (match_operand:DF 1 "reg_or_fp0_operand" "fG")))]
- "TARGET_FP"
- "cvttqc %R1,%0"
- [(set_attr "type" "fpop")])
-
- (define_insn "fix_truncsfdi2"
- [(set (match_operand:DI 0 "register_operand" "=f")
- (fix:DI (float_extend:DF
- (match_operand:SF 1 "reg_or_fp0_operand" "fG"))))]
- "TARGET_FP"
- "cvttqc %R1,%0"
- [(set_attr "type" "fpop")])
-
- (define_insn "floatdisf2"
- [(set (match_operand:SF 0 "register_operand" "=f")
- (float:SF (match_operand:DI 1 "register_operand" "f")))]
- "TARGET_FP"
- "cvtqs %1,%0"
- [(set_attr "type" "fpop")])
-
- (define_insn "floatdidf2"
- [(set (match_operand:DF 0 "register_operand" "=f")
- (float:DF (match_operand:DI 1 "register_operand" "f")))]
- "TARGET_FP"
- "cvtqt %1,%0"
- [(set_attr "type" "fpop")])
-
- (define_insn "extendsfdf2"
- [(set (match_operand:DF 0 "register_operand" "=f,f")
- (float_extend:DF (match_operand:SF 1 "nonimmediate_operand" "f,m")))]
- "TARGET_FP"
- "@
- addt $f31,%1,%0
- lds %0,%1"
- [(set_attr "type" "fpop,ld")])
-
- (define_insn "truncdfsf2"
- [(set (match_operand:SF 0 "register_operand" "=f")
- (float_truncate:SF (match_operand:DF 1 "reg_or_fp0_operand" "fG")))]
- "TARGET_FP"
- "cvtts %R1,%0"
- [(set_attr "type" "fpop")])
-
- (define_insn "divsf3"
- [(set (match_operand:SF 0 "register_operand" "=f")
- (div:SF (match_operand:SF 1 "reg_or_fp0_operand" "fG")
- (match_operand:SF 2 "reg_or_fp0_operand" "fG")))]
- "TARGET_FP"
- "divs %R1,%R2,%0"
- [(set_attr "type" "fdivs")])
-
- (define_insn "divdf3"
- [(set (match_operand:DF 0 "register_operand" "=f")
- (div:DF (match_operand:DF 1 "reg_or_fp0_operand" "fG")
- (match_operand:DF 2 "reg_or_fp0_operand" "fG")))]
- "TARGET_FP"
- "divt %R1,%R2,%0"
- [(set_attr "type" "fdivt")])
-
- (define_insn ""
- [(set (match_operand:DF 0 "register_operand" "=f")
- (div:DF (float_extend:DF (match_operand:SF 1 "reg_or_fp0_operand" "fG"))
- (match_operand:DF 2 "reg_or_fp0_operand" "fG")))]
- "TARGET_FP"
- "divt %R1,%R2,%0"
- [(set_attr "type" "fdivt")])
-
- (define_insn ""
- [(set (match_operand:DF 0 "register_operand" "=f")
- (div:DF (match_operand:DF 1 "reg_or_fp0_operand" "fG")
- (float_extend:DF
- (match_operand:SF 2 "reg_or_fp0_operand" "fG"))))]
- "TARGET_FP"
- "divt %R1,%R2,%0"
- [(set_attr "type" "fdivt")])
-
- (define_insn ""
- [(set (match_operand:DF 0 "register_operand" "=f")
- (div:DF (float_extend:DF (match_operand:SF 1 "reg_or_fp0_operand" "fG"))
- (float_extend:DF (match_operand:SF 2 "reg_or_fp0_operand" "fG"))))]
- "TARGET_FP"
- "divt %R1,%R2,%0"
- [(set_attr "type" "fdivt")])
-
- (define_insn "mulsf3"
- [(set (match_operand:SF 0 "register_operand" "=f")
- (mult:SF (match_operand:SF 1 "reg_or_fp0_operand" "%fG")
- (match_operand:SF 2 "reg_or_fp0_operand" "fG")))]
- "TARGET_FP"
- "muls %R1,%R2,%0"
- [(set_attr "type" "fpop")])
-
- (define_insn "muldf3"
- [(set (match_operand:DF 0 "register_operand" "=f")
- (mult:DF (match_operand:DF 1 "reg_or_fp0_operand" "%fG")
- (match_operand:DF 2 "reg_or_fp0_operand" "fG")))]
- "TARGET_FP"
- "mult %R1,%R2,%0"
- [(set_attr "type" "fpop")])
-
- (define_insn ""
- [(set (match_operand:DF 0 "register_operand" "=f")
- (mult:DF (float_extend:DF
- (match_operand:SF 1 "reg_or_fp0_operand" "fG"))
- (match_operand:DF 2 "reg_or_fp0_operand" "fG")))]
- "TARGET_FP"
- "mult %R1,%R2,%0"
- [(set_attr "type" "fpop")])
-
- (define_insn ""
- [(set (match_operand:DF 0 "register_operand" "=f")
- (mult:DF (float_extend:DF
- (match_operand:SF 1 "reg_or_fp0_operand" "%fG"))
- (float_extend:DF
- (match_operand:SF 2 "reg_or_fp0_operand" "fG"))))]
- "TARGET_FP"
- "mult %R1,%R2,%0"
- [(set_attr "type" "fpop")])
-
- (define_insn "subsf3"
- [(set (match_operand:SF 0 "register_operand" "=f")
- (minus:SF (match_operand:SF 1 "reg_or_fp0_operand" "fG")
- (match_operand:SF 2 "reg_or_fp0_operand" "fG")))]
- "TARGET_FP"
- "subs %R1,%R2,%0"
- [(set_attr "type" "fpop")])
-
- (define_insn "subdf3"
- [(set (match_operand:DF 0 "register_operand" "=f")
- (minus:DF (match_operand:DF 1 "reg_or_fp0_operand" "fG")
- (match_operand:DF 2 "reg_or_fp0_operand" "fG")))]
- "TARGET_FP"
- "subt %R1,%R2,%0"
- [(set_attr "type" "fpop")])
-
- (define_insn ""
- [(set (match_operand:DF 0 "register_operand" "=f")
- (minus:DF (float_extend:DF
- (match_operand:SF 1 "reg_or_fp0_operand" "fG"))
- (match_operand:DF 2 "reg_or_fp0_operand" "fG")))]
- "TARGET_FP"
- "subt %R1,%R2,%0"
- [(set_attr "type" "fpop")])
-
- (define_insn ""
- [(set (match_operand:DF 0 "register_operand" "=f")
- (minus:DF (match_operand:DF 1 "reg_or_fp0_operand" "fG")
- (float_extend:DF
- (match_operand:SF 2 "reg_or_fp0_operand" "fG"))))]
- "TARGET_FP"
- "subt %R1,%R2,%0"
- [(set_attr "type" "fpop")])
-
- (define_insn ""
- [(set (match_operand:DF 0 "register_operand" "=f")
- (minus:DF (float_extend:DF
- (match_operand:SF 1 "reg_or_fp0_operand" "fG"))
- (float_extend:DF
- (match_operand:SF 2 "reg_or_fp0_operand" "fG"))))]
- "TARGET_FP"
- "subt %R1,%R2,%0"
- [(set_attr "type" "fpop")])
-
- ;; Next are all the integer comparisons, and conditional moves and branches
- ;; and some of the related define_expand's and define_split's.
-
- (define_insn ""
- [(set (match_operand:DI 0 "register_operand" "=r")
- (match_operator:DI 1 "alpha_comparison_operator"
- [(match_operand:DI 2 "reg_or_0_operand" "rJ")
- (match_operand:DI 3 "reg_or_8bit_operand" "rI")]))]
- ""
- "cmp%C1 %r2,%3,%0"
- [(set_attr "type" "icmp")])
-
- ;; There are three important special-case that don't fit the above pattern
- ;; but which we want to handle here.
-
- (define_insn ""
- [(set (match_operand:DI 0 "register_operand" "=r")
- (ne:DI (match_operand:DI 1 "register_operand" "r")
- (const_int 0)))]
- ""
- "cmpult $31,%1,%0"
- [(set_attr "type" "icmp")])
-
- (define_insn ""
- [(set (match_operand:DI 0 "register_operand" "=r")
- (gt:DI (match_operand:DI 1 "register_operand" "r")
- (const_int 0)))]
- ""
- "cmplt $31,%1,%0"
- [(set_attr "type" "icmp")])
-
- (define_insn ""
- [(set (match_operand:DI 0 "register_operand" "=r")
- (ge:DI (match_operand:DI 1 "register_operand" "r")
- (const_int 0)))]
- ""
- "cmple $31,%1,%0"
- [(set_attr "type" "icmp")])
-
- (define_insn ""
- [(set (match_operand:DI 0 "register_operand" "=r,r")
- (if_then_else:DI
- (match_operator 2 "signed_comparison_operator"
- [(match_operand:DI 3 "reg_or_0_operand" "rJ,rJ")
- (const_int 0)])
- (match_operand:DI 1 "reg_or_8bit_operand" "rI,0")
- (match_operand:DI 4 "reg_or_8bit_operand" "0,rI")))]
- ""
- "@
- cmov%C2 %r3,%1,%0
- cmov%D2 %r3,%4,%0")
-
- (define_insn ""
- [(set (match_operand:DI 0 "register_operand" "=r,r")
- (if_then_else:DI
- (eq (zero_extract:DI (match_operand:DI 2 "reg_or_0_operand" "rJ,rJ")
- (const_int 1)
- (const_int 0))
- (const_int 0))
- (match_operand:DI 1 "reg_or_8bit_operand" "rI,0")
- (match_operand:DI 3 "reg_or_8bit_operand" "0,rI")))]
- ""
- "@
- cmovlbc %r2,%1,%0
- cmovlbs %r2,%3,%0")
-
- (define_insn ""
- [(set (match_operand:DI 0 "register_operand" "=r,r")
- (if_then_else:DI
- (ne (zero_extract:DI (match_operand:DI 2 "reg_or_0_operand" "rJ,rJ")
- (const_int 1)
- (const_int 0))
- (const_int 0))
- (match_operand:DI 1 "reg_or_8bit_operand" "rI,0")
- (match_operand:DI 3 "reg_or_8bit_operand" "0,rI")))]
- ""
- "@
- cmovlbs %r2,%1,%0
- cmovlbc %r2,%3,%0")
-
- ;; This form is added since combine thinks that an IF_THEN_ELSE with both
- ;; arms constant is a single insn, so it won't try to form it if combine
- ;; knows they are really two insns. This occurs in divides by powers
- ;; of two.
-
- (define_insn ""
- [(set (match_operand:DI 0 "register_operand" "=r")
- (if_then_else:DI
- (match_operator 2 "signed_comparison_operator"
- [(match_operand:DI 3 "reg_or_0_operand" "rJ")
- (const_int 0)])
- (plus:DI (match_dup 0)
- (match_operand:DI 1 "reg_or_8bit_operand" "rI"))
- (match_dup 0)))
- (clobber (match_scratch:DI 4 "=&r"))]
- ""
- "addq %0,%1,%4\;cmov%C2 %r3,%4,%0")
-
- (define_split
- [(set (match_operand:DI 0 "register_operand" "")
- (if_then_else:DI
- (match_operator 2 "signed_comparison_operator"
- [(match_operand:DI 3 "reg_or_0_operand" "")
- (const_int 0)])
- (plus:DI (match_dup 0)
- (match_operand:DI 1 "reg_or_8bit_operand" ""))
- (match_dup 0)))
- (clobber (match_operand:DI 4 "register_operand" ""))]
- ""
- [(set (match_dup 4) (plus:DI (match_dup 0) (match_dup 1)))
- (set (match_dup 0) (if_then_else:DI (match_op_dup 2
- [(match_dup 3)
- (const_int 0)])
- (match_dup 4) (match_dup 0)))]
- "")
-
- (define_split
- [(parallel
- [(set (match_operand:DI 0 "register_operand" "")
- (if_then_else:DI
- (match_operator 1 "comparison_operator"
- [(zero_extract:DI (match_operand:DI 2 "register_operand" "")
- (const_int 1)
- (match_operand:DI 3 "const_int_operand" ""))
- (const_int 0)])
- (match_operand:DI 4 "reg_or_8bit_operand" "")
- (match_operand:DI 5 "reg_or_8bit_operand" "")))
- (clobber (match_operand:DI 6 "register_operand" ""))])]
- "INTVAL (operands[3]) != 0"
- [(set (match_dup 6)
- (lshiftrt:DI (match_dup 2) (match_dup 3)))
- (set (match_dup 0)
- (if_then_else:DI (match_op_dup 1
- [(zero_extract:DI (match_dup 6)
- (const_int 1)
- (const_int 0))
- (const_int 0)])
- (match_dup 4)
- (match_dup 5)))]
- "")
-
- ;; For ABS, we have two choices, depending on whether the input and output
- ;; registers are the same or not.
- (define_expand "absdi2"
- [(set (match_operand:DI 0 "register_operand" "")
- (abs:DI (match_operand:DI 1 "register_operand" "")))]
- ""
- "
- { if (rtx_equal_p (operands[0], operands[1]))
- emit_insn (gen_absdi2_same (operands[0], gen_reg_rtx (DImode)));
- else
- emit_insn (gen_absdi2_diff (operands[0], operands[1]));
-
- DONE;
- }")
-
- (define_expand "absdi2_same"
- [(set (match_operand:DI 1 "register_operand" "")
- (neg:DI (match_operand:DI 0 "register_operand" "")))
- (set (match_dup 0)
- (if_then_else:DI (ge (match_dup 0) (const_int 0))
- (match_dup 0)
- (match_dup 1)))]
- ""
- "")
-
- (define_expand "absdi2_diff"
- [(set (match_operand:DI 0 "register_operand" "")
- (neg:DI (match_operand:DI 1 "register_operand" "")))
- (set (match_dup 0)
- (if_then_else:DI (lt (match_dup 1) (const_int 0))
- (match_dup 0)
- (match_dup 1)))]
- ""
- "")
-
- (define_split
- [(set (match_operand:DI 0 "register_operand" "")
- (abs:DI (match_dup 0)))
- (clobber (match_operand:DI 2 "register_operand" ""))]
- ""
- [(set (match_dup 1) (neg:DI (match_dup 0)))
- (set (match_dup 0) (if_then_else:DI (ge (match_dup 0) (const_int 0))
- (match_dup 0) (match_dup 1)))]
- "")
-
- (define_split
- [(set (match_operand:DI 0 "register_operand" "")
- (abs:DI (match_operand:DI 1 "register_operand" "")))]
- "! rtx_equal_p (operands[0], operands[1])"
- [(set (match_dup 0) (neg:DI (match_dup 1)))
- (set (match_dup 0) (if_then_else:DI (lt (match_dup 1) (const_int 0))
- (match_dup 0) (match_dup 1)))]
- "")
-
- (define_split
- [(set (match_operand:DI 0 "register_operand" "")
- (neg:DI (abs:DI (match_dup 0))))
- (clobber (match_operand:DI 2 "register_operand" ""))]
- ""
- [(set (match_dup 1) (neg:DI (match_dup 0)))
- (set (match_dup 0) (if_then_else:DI (le (match_dup 0) (const_int 0))
- (match_dup 0) (match_dup 1)))]
- "")
-
- (define_split
- [(set (match_operand:DI 0 "register_operand" "")
- (neg:DI (abs:DI (match_operand:DI 1 "register_operand" ""))))]
- "! rtx_equal_p (operands[0], operands[1])"
- [(set (match_dup 0) (neg:DI (match_dup 1)))
- (set (match_dup 0) (if_then_else:DI (gt (match_dup 1) (const_int 0))
- (match_dup 0) (match_dup 1)))]
- "")
-
- (define_expand "smaxdi3"
- [(set (match_dup 3)
- (le:DI (match_operand:DI 1 "reg_or_0_operand" "")
- (match_operand:DI 2 "reg_or_8bit_operand" "")))
- (set (match_operand:DI 0 "register_operand" "")
- (if_then_else:DI (eq (match_dup 3) (const_int 0))
- (match_dup 1) (match_dup 2)))]
- ""
- "
- { operands[3] = gen_reg_rtx (DImode);
- }")
-
- (define_split
- [(set (match_operand:DI 0 "register_operand" "")
- (smax:DI (match_operand:DI 1 "reg_or_0_operand" "")
- (match_operand:DI 2 "reg_or_8bit_operand" "")))
- (clobber (match_operand:DI 3 "register_operand" ""))]
- "operands[2] != const0_rtx"
- [(set (match_dup 3) (le:DI (match_dup 1) (match_dup 2)))
- (set (match_dup 0) (if_then_else:DI (eq (match_dup 3) (const_int 0))
- (match_dup 1) (match_dup 2)))]
- "")
-
- (define_insn ""
- [(set (match_operand:DI 0 "register_operand" "=r")
- (smax:DI (match_operand:DI 1 "register_operand" "0")
- (const_int 0)))]
- ""
- "cmovlt %0,0,%0")
-
- (define_expand "smindi3"
- [(set (match_dup 3)
- (lt:DI (match_operand:DI 1 "reg_or_0_operand" "")
- (match_operand:DI 2 "reg_or_8bit_operand" "")))
- (set (match_operand:DI 0 "register_operand" "")
- (if_then_else:DI (ne (match_dup 3) (const_int 0))
- (match_dup 1) (match_dup 2)))]
- ""
- "
- { operands[3] = gen_reg_rtx (DImode);
- }")
-
- (define_split
- [(set (match_operand:DI 0 "register_operand" "")
- (smin:DI (match_operand:DI 1 "reg_or_0_operand" "")
- (match_operand:DI 2 "reg_or_8bit_operand" "")))
- (clobber (match_operand:DI 3 "register_operand" ""))]
- "operands[2] != const0_rtx"
- [(set (match_dup 3) (lt:DI (match_dup 1) (match_dup 2)))
- (set (match_dup 0) (if_then_else:DI (ne (match_dup 3) (const_int 0))
- (match_dup 1) (match_dup 2)))]
- "")
-
- (define_insn ""
- [(set (match_operand:DI 0 "register_operand" "=r")
- (smin:DI (match_operand:DI 1 "register_operand" "0")
- (const_int 0)))]
- ""
- "cmovgt %0,0,%0")
-
- (define_expand "umaxdi3"
- [(set (match_dup 3)
- (leu:DI (match_operand:DI 1 "reg_or_0_operand" "")
- (match_operand:DI 2 "reg_or_8bit_operand" "")))
- (set (match_operand:DI 0 "register_operand" "")
- (if_then_else:DI (eq (match_dup 3) (const_int 0))
- (match_dup 1) (match_dup 2)))]
- ""
- "
- { operands[3] = gen_reg_rtx (DImode);
- }")
-
- (define_split
- [(set (match_operand:DI 0 "register_operand" "")
- (umax:DI (match_operand:DI 1 "reg_or_0_operand" "")
- (match_operand:DI 2 "reg_or_8bit_operand" "")))
- (clobber (match_operand:DI 3 "register_operand" ""))]
- "operands[2] != const0_rtx"
- [(set (match_dup 3) (leu:DI (match_dup 1) (match_dup 2)))
- (set (match_dup 0) (if_then_else:DI (eq (match_dup 3) (const_int 0))
- (match_dup 1) (match_dup 2)))]
- "")
-
- (define_expand "umindi3"
- [(set (match_dup 3)
- (ltu:DI (match_operand:DI 1 "reg_or_0_operand" "")
- (match_operand:DI 2 "reg_or_8bit_operand" "")))
- (set (match_operand:DI 0 "register_operand" "")
- (if_then_else:DI (ne (match_dup 3) (const_int 0))
- (match_dup 1) (match_dup 2)))]
- ""
- "
- { operands[3] = gen_reg_rtx (DImode);
- }")
-
- (define_split
- [(set (match_operand:DI 0 "register_operand" "")
- (umin:DI (match_operand:DI 1 "reg_or_0_operand" "")
- (match_operand:DI 2 "reg_or_8bit_operand" "")))
- (clobber (match_operand:DI 3 "register_operand" ""))]
- "operands[2] != const0_rtx"
- [(set (match_dup 3) (ltu:DI (match_dup 1) (match_dup 2)))
- (set (match_dup 0) (if_then_else:DI (ne (match_dup 3) (const_int 0))
- (match_dup 1) (match_dup 2)))]
- "")
-
- (define_insn ""
- [(set (pc)
- (if_then_else
- (match_operator 1 "signed_comparison_operator"
- [(match_operand:DI 2 "reg_or_0_operand" "rJ")
- (const_int 0)])
- (label_ref (match_operand 0 "" ""))
- (pc)))]
- ""
- "b%C1 %r2,%0"
- [(set_attr "type" "ibr")])
-
- (define_insn ""
- [(set (pc)
- (if_then_else
- (ne (zero_extract:DI (match_operand:DI 1 "reg_or_0_operand" "rJ")
- (const_int 1)
- (const_int 0))
- (const_int 0))
- (label_ref (match_operand 0 "" ""))
- (pc)))]
- ""
- "blbs %r1,%0"
- [(set_attr "type" "ibr")])
-
- (define_insn ""
- [(set (pc)
- (if_then_else
- (eq (zero_extract:DI (match_operand:DI 1 "reg_or_0_operand" "rJ")
- (const_int 1)
- (const_int 0))
- (const_int 0))
- (label_ref (match_operand 0 "" ""))
- (pc)))]
- ""
- "blbc %r1,%0"
- [(set_attr "type" "ibr")])
-
- (define_split
- [(parallel
- [(set (pc)
- (if_then_else
- (match_operator 1 "comparison_operator"
- [(zero_extract:DI (match_operand:DI 2 "register_operand" "")
- (const_int 1)
- (match_operand:DI 3 "const_int_operand" ""))
- (const_int 0)])
- (label_ref (match_operand 0 "" ""))
- (pc)))
- (clobber (match_operand:DI 4 "register_operand" ""))])]
- "INTVAL (operands[3]) != 0"
- [(set (match_dup 4)
- (lshiftrt:DI (match_dup 2) (match_dup 3)))
- (set (pc)
- (if_then_else (match_op_dup 1
- [(zero_extract:DI (match_dup 4)
- (const_int 1)
- (const_int 0))
- (const_int 0)])
- (label_ref (match_dup 0))
- (pc)))]
- "")
-
- ;; The following are the corresponding floating-point insns. Recall
- ;; we need to have variants that expand the arguments from SF mode
- ;; to DFmode.
-
- (define_insn ""
- [(set (match_operand:DF 0 "register_operand" "=f")
- (match_operator:DF 1 "alpha_comparison_operator"
- [(match_operand:DF 2 "reg_or_fp0_operand" "fG")
- (match_operand:DF 3 "reg_or_fp0_operand" "fG")]))]
- "TARGET_FP"
- "cmpt%C1 %R2,%R3,%0"
- [(set_attr "type" "fpop")])
-
- (define_insn ""
- [(set (match_operand:DF 0 "register_operand" "=f")
- (match_operator:DF 1 "alpha_comparison_operator"
- [(float_extend:DF
- (match_operand:SF 2 "reg_or_fp0_operand" "fG"))
- (match_operand:DF 3 "reg_or_fp0_operand" "fG")]))]
- "TARGET_FP"
- "cmpt%C1 %R2,%R3,%0"
- [(set_attr "type" "fpop")])
-
- (define_insn ""
- [(set (match_operand:DF 0 "register_operand" "=f")
- (match_operator:DF 1 "alpha_comparison_operator"
- [(match_operand:DF 2 "reg_or_fp0_operand" "fG")
- (float_extend:DF
- (match_operand:SF 3 "reg_or_fp0_operand" "fG"))]))]
- "TARGET_FP"
- "cmpt%C1 %R2,%R3,%0"
- [(set_attr "type" "fpop")])
-
- (define_insn ""
- [(set (match_operand:DF 0 "register_operand" "=f")
- (match_operator:DF 1 "alpha_comparison_operator"
- [(float_extend:DF
- (match_operand:SF 2 "reg_or_fp0_operand" "fG"))
- (float_extend:DF
- (match_operand:SF 3 "reg_or_fp0_operand" "fG"))]))]
- "TARGET_FP"
- "cmpt%C1 %R2,%R3,%0"
- [(set_attr "type" "fpop")])
-
- (define_insn ""
- [(set (match_operand:DF 0 "register_operand" "=f,f")
- (if_then_else:DF
- (match_operator 3 "signed_comparison_operator"
- [(match_operand:DF 4 "reg_or_fp0_operand" "fG,fG")
- (match_operand:DF 2 "fp0_operand" "G,G")])
- (match_operand:DF 1 "reg_or_fp0_operand" "fG,0")
- (match_operand:DF 5 "reg_or_fp0_operand" "0,fG")))]
- "TARGET_FP"
- "@
- fcmov%C3 %R4,%R1,%0
- fcmov%D3 %R4,%R5,%0"
- [(set_attr "type" "fpop")])
-
- (define_insn ""
- [(set (match_operand:SF 0 "register_operand" "=f,f")
- (if_then_else:SF
- (match_operator 3 "signed_comparison_operator"
- [(match_operand:DF 4 "reg_or_fp0_operand" "fG,fG")
- (match_operand:DF 2 "fp0_operand" "G,G")])
- (match_operand:SF 1 "reg_or_fp0_operand" "fG,0")
- (match_operand:SF 5 "reg_or_fp0_operand" "0,fG")))]
- "TARGET_FP"
- "@
- fcmov%C3 %R4,%R1,%0
- fcmov%D3 %R4,%R5,%0"
- [(set_attr "type" "fpop")])
-
- (define_insn ""
- [(set (match_operand:DF 0 "register_operand" "=f,f")
- (if_then_else:DF
- (match_operator 3 "signed_comparison_operator"
- [(match_operand:DF 1 "reg_or_fp0_operand" "fG,fG")
- (match_operand:DF 2 "fp0_operand" "G,G")])
- (float_extend:DF (match_operand:SF 4 "reg_or_fp0_operand" "fG,0"))
- (match_operand:DF 5 "reg_or_fp0_operand" "0,fG")))]
- "TARGET_FP"
- "@
- fcmov%C3 %R4,%R1,%0
- fcmov%D3 %R4,%R5,%0"
- [(set_attr "type" "fpop")])
-
- (define_insn ""
- [(set (match_operand:DF 0 "register_operand" "=f,f")
- (if_then_else:DF
- (match_operator 3 "signed_comparison_operator"
- [(float_extend:DF
- (match_operand:SF 4 "reg_or_fp0_operand" "fG,fG"))
- (match_operand:DF 2 "fp0_operand" "G,G")])
- (match_operand:DF 1 "reg_or_fp0_operand" "fG,0")
- (match_operand:DF 5 "reg_or_fp0_operand" "0,fG")))]
- "TARGET_FP"
- "@
- fcmov%C3 %R4,%R1,%0
- fcmov%D3 %R4,%R5,%0"
- [(set_attr "type" "fpop")])
-
- (define_insn ""
- [(set (match_operand:SF 0 "register_operand" "=f,f")
- (if_then_else:SF
- (match_operator 3 "signed_comparison_operator"
- [(float_extend:DF
- (match_operand:SF 4 "reg_or_fp0_operand" "fG,fG"))
- (match_operand:DF 2 "fp0_operand" "G,G")])
- (match_operand:SF 1 "reg_or_fp0_operand" "fG,0")
- (match_operand:SF 5 "reg_or_fp0_operand" "0,fG")))]
- "TARGET_FP"
- "@
- fcmov%C3 %R4,%R1,%0
- fcmov%D3 %R4,%R5,%0"
- [(set_attr "type" "fpop")])
-
- (define_insn ""
- [(set (match_operand:DF 0 "register_operand" "=f,f")
- (if_then_else:DF
- (match_operator 3 "signed_comparison_operator"
- [(float_extend:DF
- (match_operand:SF 4 "reg_or_fp0_operand" "fG,fG"))
- (match_operand:DF 2 "fp0_operand" "G,G")])
- (float_extend:DF (match_operand:SF 1 "reg_or_fp0_operand" "fG,0"))
- (match_operand:DF 5 "reg_or_fp0_operand" "0,fG")))]
- "TARGET_FP"
- "@
- fcmov%C3 %R4,%R1,%0
- fcmov%D3 %R4,%R5,%0"
- [(set_attr "type" "fpop")])
-
- (define_expand "maxdf3"
- [(set (match_dup 3)
- (le:DF (match_operand:DF 1 "reg_or_fp0_operand" "")
- (match_operand:DF 2 "reg_or_fp0_operand" "")))
- (set (match_operand:DF 0 "register_operand" "")
- (if_then_else:DF (eq (match_dup 3) (match_dup 4))
- (match_dup 1) (match_dup 2)))]
- "TARGET_FP"
- "
- { operands[3] = gen_reg_rtx (DFmode);
- operands[4] = CONST0_RTX (DFmode);
- }")
-
- (define_expand "mindf3"
- [(set (match_dup 3)
- (lt:DF (match_operand:DF 1 "reg_or_fp0_operand" "")
- (match_operand:DF 2 "reg_or_fp0_operand" "")))
- (set (match_operand:DF 0 "register_operand" "")
- (if_then_else:DF (ne (match_dup 3) (match_dup 4))
- (match_dup 1) (match_dup 2)))]
- "TARGET_FP"
- "
- { operands[3] = gen_reg_rtx (DFmode);
- operands[4] = CONST0_RTX (DFmode);
- }")
-
- (define_expand "maxsf3"
- [(set (match_dup 3)
- (le:DF (float_extend:DF (match_operand:SF 1 "reg_or_fp0_operand" ""))
- (float_extend:DF (match_operand:SF 2 "reg_or_fp0_operand" ""))))
- (set (match_operand:SF 0 "register_operand" "")
- (if_then_else:SF (eq (match_dup 3) (match_dup 4))
- (match_dup 1) (match_dup 2)))]
- "TARGET_FP"
- "
- { operands[3] = gen_reg_rtx (DFmode);
- operands[4] = CONST0_RTX (DFmode);
- }")
-
- (define_expand "minsf3"
- [(set (match_dup 3)
- (lt:DF (float_extend:DF (match_operand:SF 1 "reg_or_fp0_operand" ""))
- (float_extend:DF (match_operand:SF 2 "reg_or_fp0_operand" ""))))
- (set (match_operand:SF 0 "register_operand" "")
- (if_then_else:SF (ne (match_dup 3) (match_dup 4))
- (match_dup 1) (match_dup 2)))]
- "TARGET_FP"
- "
- { operands[3] = gen_reg_rtx (DFmode);
- operands[4] = CONST0_RTX (DFmode);
- }")
-
- (define_insn ""
- [(set (pc)
- (if_then_else
- (match_operator 1 "signed_comparison_operator"
- [(match_operand:DF 2 "reg_or_fp0_operand" "fG")
- (match_operand:DF 3 "fp0_operand" "G")])
- (label_ref (match_operand 0 "" ""))
- (pc)))]
- "TARGET_FP"
- "fb%C1 %R2,%0"
- [(set_attr "type" "fbr")])
-
- (define_insn ""
- [(set (pc)
- (if_then_else
- (match_operator 1 "signed_comparison_operator"
- [(float_extend:DF
- (match_operand:SF 2 "reg_or_fp0_operand" "fG"))
- (match_operand:DF 3 "fp0_operand" "G")])
- (label_ref (match_operand 0 "" ""))
- (pc)))]
- "TARGET_FP"
- "fb%C1 %R2,%0"
- [(set_attr "type" "fbr")])
-
- ;; These are the main define_expand's used to make conditional branches
- ;; and compares.
-
- (define_expand "cmpdf"
- [(set (cc0) (compare (match_operand:DF 0 "reg_or_fp0_operand" "")
- (match_operand:DF 1 "reg_or_fp0_operand" "")))]
- ""
- "
- {
- alpha_compare_op0 = operands[0];
- alpha_compare_op1 = operands[1];
- alpha_compare_fp_p = 1;
- DONE;
- }")
-
- (define_expand "cmpdi"
- [(set (cc0) (compare (match_operand:DI 0 "reg_or_0_operand" "")
- (match_operand:DI 1 "reg_or_8bit_operand" "")))]
- ""
- "
- {
- alpha_compare_op0 = operands[0];
- alpha_compare_op1 = operands[1];
- alpha_compare_fp_p = 0;
- DONE;
- }")
-
- (define_expand "beq"
- [(set (match_dup 1) (match_dup 2))
- (set (pc)
- (if_then_else (match_dup 3)
- (label_ref (match_operand 0 "" ""))
- (pc)))]
- ""
- "
- {
- enum machine_mode mode;
- enum rtx_code compare_code, branch_code;
-
- if (alpha_compare_fp_p)
- mode = DFmode, compare_code = EQ, branch_code = NE;
- else
- {
- mode = DImode, compare_code = MINUS, branch_code = EQ;
- if (GET_CODE (alpha_compare_op1) == CONST_INT)
- {
- compare_code = PLUS;
- alpha_compare_op1 = GEN_INT (- INTVAL (alpha_compare_op1));
- }
- }
-
- operands[1] = gen_reg_rtx (mode);
- operands[2] = gen_rtx (compare_code, mode,
- alpha_compare_op0, alpha_compare_op1);
- operands[3] = gen_rtx (branch_code, VOIDmode,
- operands[1], CONST0_RTX (mode));
- }")
-
- (define_expand "bne"
- [(set (match_dup 1) (match_dup 2))
- (set (pc)
- (if_then_else (match_dup 3)
- (label_ref (match_operand 0 "" ""))
- (pc)))]
- ""
- "
- {
- enum machine_mode mode;
- enum rtx_code compare_code, branch_code;
-
- if (alpha_compare_fp_p)
- mode = DFmode, compare_code = EQ, branch_code = EQ;
- else
- {
- mode = DImode, compare_code = MINUS, branch_code = NE;
- if (GET_CODE (alpha_compare_op1) == CONST_INT)
- {
- compare_code = PLUS;
- alpha_compare_op1 = GEN_INT (- INTVAL (alpha_compare_op1));
- }
- }
-
- operands[1] = gen_reg_rtx (mode);
- operands[2] = gen_rtx (compare_code, mode,
- alpha_compare_op0, alpha_compare_op1);
- operands[3] = gen_rtx (branch_code, VOIDmode,
- operands[1], CONST0_RTX (mode));
- }")
-
- (define_expand "blt"
- [(set (match_dup 1) (match_dup 2))
- (set (pc)
- (if_then_else (match_dup 3)
- (label_ref (match_operand 0 "" ""))
- (pc)))]
- ""
- "
- {
- enum machine_mode mode = alpha_compare_fp_p ? DFmode : DImode;
- operands[1] = gen_reg_rtx (mode);
- operands[2] = gen_rtx (LT, mode, alpha_compare_op0, alpha_compare_op1);
- operands[3] = gen_rtx (NE, VOIDmode, operands[1], CONST0_RTX (mode));
- }")
-
- (define_expand "ble"
- [(set (match_dup 1) (match_dup 2))
- (set (pc)
- (if_then_else (match_dup 3)
- (label_ref (match_operand 0 "" ""))
- (pc)))]
- ""
- "
- {
- enum machine_mode mode = alpha_compare_fp_p ? DFmode : DImode;
- operands[1] = gen_reg_rtx (mode);
- operands[2] = gen_rtx (LE, mode, alpha_compare_op0, alpha_compare_op1);
- operands[3] = gen_rtx (NE, VOIDmode, operands[1], CONST0_RTX (mode));
- }")
-
- (define_expand "bgt"
- [(set (match_dup 1) (match_dup 2))
- (set (pc)
- (if_then_else (match_dup 3)
- (label_ref (match_operand 0 "" ""))
- (pc)))]
- ""
- "
- {
- if (alpha_compare_fp_p)
- {
- operands[1] = gen_reg_rtx (DFmode);
- operands[2] = gen_rtx (LT, DFmode, alpha_compare_op1, alpha_compare_op0);
- operands[3] = gen_rtx (NE, VOIDmode, operands[1], CONST0_RTX (DFmode));
- }
- else
- {
- operands[1] = gen_reg_rtx (DImode);
- operands[2] = gen_rtx (LE, DImode, alpha_compare_op0, alpha_compare_op1);
- operands[3] = gen_rtx (EQ, VOIDmode, 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)))]
- ""
- "
- {
- if (alpha_compare_fp_p)
- {
- operands[1] = gen_reg_rtx (DFmode);
- operands[2] = gen_rtx (LE, DFmode, alpha_compare_op1, alpha_compare_op0);
- operands[3] = gen_rtx (NE, VOIDmode, operands[1], CONST0_RTX (DFmode));
- }
- else
- {
- operands[1] = gen_reg_rtx (DImode);
- operands[2] = gen_rtx (LT, DImode, alpha_compare_op0, alpha_compare_op1);
- operands[3] = gen_rtx (EQ, VOIDmode, 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] = gen_reg_rtx (DImode);
- operands[2] = gen_rtx (LTU, DImode, alpha_compare_op0, alpha_compare_op1);
- operands[3] = gen_rtx (NE, VOIDmode, 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] = gen_reg_rtx (DImode);
- operands[2] = gen_rtx (LEU, DImode, alpha_compare_op0, alpha_compare_op1);
- operands[3] = gen_rtx (NE, VOIDmode, 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] = gen_reg_rtx (DImode);
- operands[2] = gen_rtx (LEU, DImode, alpha_compare_op0, alpha_compare_op1);
- operands[3] = gen_rtx (EQ, VOIDmode, 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] = gen_reg_rtx (DImode);
- operands[2] = gen_rtx (LTU, DImode, alpha_compare_op0, alpha_compare_op1);
- operands[3] = gen_rtx (EQ, VOIDmode, operands[1], const0_rtx);
- }")
-
- (define_expand "seq"
- [(set (match_operand:DI 0 "register_operand" "")
- (match_dup 1))]
- ""
- "
- {
- if (alpha_compare_fp_p)
- FAIL;
-
- operands[1] = gen_rtx (EQ, DImode, alpha_compare_op0, alpha_compare_op1);
- }")
-
- (define_expand "sne"
- [(set (match_operand:DI 0 "register_operand" "")
- (match_dup 1))
- (set (match_dup 0) (xor:DI (match_dup 0) (const_int 1)))]
- ""
- "
- {
- if (alpha_compare_fp_p)
- FAIL;
-
- operands[1] = gen_rtx (EQ, DImode, alpha_compare_op0, alpha_compare_op1);
- }")
-
- (define_expand "slt"
- [(set (match_operand:DI 0 "register_operand" "")
- (match_dup 1))]
- ""
- "
- {
- if (alpha_compare_fp_p)
- FAIL;
-
- operands[1] = gen_rtx (LT, DImode, alpha_compare_op0, alpha_compare_op1);
- }")
-
- (define_expand "sle"
- [(set (match_operand:DI 0 "register_operand" "")
- (match_dup 1))]
- ""
- "
- {
- if (alpha_compare_fp_p)
- FAIL;
-
- operands[1] = gen_rtx (LE, DImode, alpha_compare_op0, alpha_compare_op1);
- }")
-
- (define_expand "sgt"
- [(set (match_operand:DI 0 "register_operand" "")
- (match_dup 1))]
- ""
- "
- {
- if (alpha_compare_fp_p)
- FAIL;
-
- operands[1] = gen_rtx (LT, DImode, force_reg (DImode, alpha_compare_op1),
- alpha_compare_op0);
- }")
-
- (define_expand "sge"
- [(set (match_operand:DI 0 "register_operand" "")
- (match_dup 1))]
- ""
- "
- {
- if (alpha_compare_fp_p)
- FAIL;
-
- operands[1] = gen_rtx (LE, DImode, force_reg (DImode, alpha_compare_op1),
- alpha_compare_op0);
- }")
-
- (define_expand "sltu"
- [(set (match_operand:DI 0 "register_operand" "")
- (match_dup 1))]
- ""
- "
- {
- if (alpha_compare_fp_p)
- FAIL;
-
- operands[1] = gen_rtx (LTU, DImode, alpha_compare_op0, alpha_compare_op1);
- }")
-
- (define_expand "sleu"
- [(set (match_operand:DI 0 "register_operand" "")
- (match_dup 1))]
- ""
- "
- {
- if (alpha_compare_fp_p)
- FAIL;
-
- operands[1] = gen_rtx (LEU, DImode, alpha_compare_op0, alpha_compare_op1);
- }")
-
- (define_expand "sgtu"
- [(set (match_operand:DI 0 "register_operand" "")
- (match_dup 1))]
- ""
- "
- {
- if (alpha_compare_fp_p)
- FAIL;
-
- operands[1] = gen_rtx (LTU, DImode, force_reg (DImode, alpha_compare_op1),
- alpha_compare_op0);
- }")
-
- (define_expand "sgeu"
- [(set (match_operand:DI 0 "register_operand" "")
- (match_dup 1))]
- ""
- "
- {
- if (alpha_compare_fp_p)
- FAIL;
-
- operands[1] = gen_rtx (LEU, DImode, force_reg (DImode, alpha_compare_op1),
- alpha_compare_op0);
- }")
-
- ;; These define_split definitions are used in cases when comparisons have
- ;; not be stated in the correct way and we need to reverse the second
- ;; comparison. For example, x >= 7 has to be done as x < 6 with the
- ;; comparison that tests the result being reversed. We have one define_split
- ;; for each use of a comparison. They do not match valid insns and need
- ;; not generate valid insns.
- ;;
- ;; We can also handle equality comparisons (and inequality comparisons in
- ;; cases where the resulting add cannot overflow) by doing an add followed by
- ;; a comparison with zero. This is faster since the addition takes one
- ;; less cycle than a compare when feeding into a conditional move.
- ;; For this case, we also have an SImode pattern since we can merge the add
- ;; and sign extend and the order doesn't matter.
- ;;
- ;; We do not do this for floating-point, since it isn't clear how the "wrong"
- ;; operation could have been generated.
-
- (define_split
- [(set (match_operand:DI 0 "register_operand" "")
- (if_then_else:DI
- (match_operator 1 "comparison_operator"
- [(match_operand:DI 2 "reg_or_0_operand" "")
- (match_operand:DI 3 "reg_or_cint_operand" "")])
- (match_operand:DI 4 "reg_or_cint_operand" "")
- (match_operand:DI 5 "reg_or_cint_operand" "")))
- (clobber (match_operand:DI 6 "register_operand" ""))]
- "operands[3] != const0_rtx"
- [(set (match_dup 6) (match_dup 7))
- (set (match_dup 0)
- (if_then_else:DI (match_dup 8) (match_dup 4) (match_dup 5)))]
- "
- { enum rtx_code code = GET_CODE (operands[1]);
- int unsignedp = (code == GEU || code == LEU || code == GTU || code == LTU);
-
- /* If we are comparing for equality with a constant and that constant
- appears in the arm when the register equals the constant, use the
- register since that is more likely to match (and to produce better code
- if both would). */
-
- if (code == EQ && GET_CODE (operands[3]) == CONST_INT
- && rtx_equal_p (operands[4], operands[3]))
- operands[4] = operands[2];
-
- else if (code == NE && GET_CODE (operands[3]) == CONST_INT
- && rtx_equal_p (operands[5], operands[3]))
- operands[5] = operands[2];
-
- if (code == NE || code == EQ
- || (extended_count (operands[2], DImode, unsignedp) >= 1
- && extended_count (operands[3], DImode, unsignedp) >= 1))
- {
- if (GET_CODE (operands[3]) == CONST_INT)
- operands[7] = gen_rtx (PLUS, DImode, operands[2],
- GEN_INT (- INTVAL (operands[3])));
- else
- operands[7] = gen_rtx (MINUS, DImode, operands[2], operands[3]);
-
- operands[8] = gen_rtx (code, VOIDmode, operands[6], const0_rtx);
- }
-
- else if (code == EQ || code == LE || code == LT
- || code == LEU || code == LTU)
- {
- operands[7] = gen_rtx (code, DImode, operands[2], operands[3]);
- operands[8] = gen_rtx (NE, VOIDmode, operands[6], const0_rtx);
- }
- else
- {
- operands[7] = gen_rtx (reverse_condition (code), DImode, operands[2],
- operands[3]);
- operands[8] = gen_rtx (EQ, VOIDmode, operands[6], const0_rtx);
- }
- }")
-
- (define_split
- [(set (match_operand:DI 0 "register_operand" "")
- (if_then_else:DI
- (match_operator 1 "comparison_operator"
- [(match_operand:SI 2 "reg_or_0_operand" "")
- (match_operand:SI 3 "reg_or_cint_operand" "")])
- (match_operand:DI 4 "reg_or_8bit_operand" "")
- (match_operand:DI 5 "reg_or_8bit_operand" "")))
- (clobber (match_operand:DI 6 "register_operand" ""))]
- "operands[3] != const0_rtx
- && (GET_CODE (operands[1]) == EQ || GET_CODE (operands[1]) == NE)"
- [(set (match_dup 6) (match_dup 7))
- (set (match_dup 0)
- (if_then_else:DI (match_dup 8) (match_dup 4) (match_dup 5)))]
- "
- { enum rtx_code code = GET_CODE (operands[1]);
- int unsignedp = (code == GEU || code == LEU || code == GTU || code == LTU);
- rtx tem;
-
- if ((code != NE && code != EQ
- && ! (extended_count (operands[2], DImode, unsignedp) >= 1
- && extended_count (operands[3], DImode, unsignedp) >= 1)))
- FAIL;
-
- if (GET_CODE (operands[3]) == CONST_INT)
- tem = gen_rtx (PLUS, SImode, operands[2],
- GEN_INT (- INTVAL (operands[3])));
- else
- tem = gen_rtx (MINUS, SImode, operands[2], operands[3]);
-
- operands[7] = gen_rtx (SIGN_EXTEND, DImode, tem);
- operands[8] = gen_rtx (GET_CODE (operands[1]), VOIDmode, operands[6],
- const0_rtx);
- }")
-
- (define_split
- [(set (pc)
- (if_then_else
- (match_operator 1 "comparison_operator"
- [(match_operand:DI 2 "reg_or_0_operand" "")
- (match_operand:DI 3 "reg_or_cint_operand" "")])
- (label_ref (match_operand 0 "" ""))
- (pc)))
- (clobber (match_operand:DI 4 "register_operand" ""))]
- "operands[3] != const0_rtx"
- [(set (match_dup 4) (match_dup 5))
- (set (pc) (if_then_else (match_dup 6) (label_ref (match_dup 0)) (pc)))]
- "
- { enum rtx_code code = GET_CODE (operands[1]);
- int unsignedp = (code == GEU || code == LEU || code == GTU || code == LTU);
-
- if (code == NE || code == EQ
- || (extended_count (operands[2], DImode, unsignedp) >= 1
- && extended_count (operands[3], DImode, unsignedp) >= 1))
- {
- if (GET_CODE (operands[3]) == CONST_INT)
- operands[5] = gen_rtx (PLUS, DImode, operands[2],
- GEN_INT (- INTVAL (operands[3])));
- else
- operands[5] = gen_rtx (MINUS, DImode, operands[2], operands[3]);
-
- operands[6] = gen_rtx (code, VOIDmode, operands[4], const0_rtx);
- }
-
- else if (code == EQ || code == LE || code == LT
- || code == LEU || code == LTU)
- {
- operands[5] = gen_rtx (code, DImode, operands[2], operands[3]);
- operands[6] = gen_rtx (NE, VOIDmode, operands[4], const0_rtx);
- }
- else
- {
- operands[5] = gen_rtx (reverse_condition (code), DImode, operands[2],
- operands[3]);
- operands[6] = gen_rtx (EQ, VOIDmode, operands[4], const0_rtx);
- }
- }")
-
- (define_split
- [(set (pc)
- (if_then_else
- (match_operator 1 "comparison_operator"
- [(match_operand:SI 2 "reg_or_0_operand" "")
- (match_operand:SI 3 "const_int_operand" "")])
- (label_ref (match_operand 0 "" ""))
- (pc)))
- (clobber (match_operand:DI 4 "register_operand" ""))]
- "operands[3] != const0_rtx
- && (GET_CODE (operands[1]) == EQ || GET_CODE (operands[1]) == NE)"
- [(set (match_dup 4) (match_dup 5))
- (set (pc) (if_then_else (match_dup 6) (label_ref (match_dup 0)) (pc)))]
- "
- { rtx tem;
-
- if (GET_CODE (operands[3]) == CONST_INT)
- tem = gen_rtx (PLUS, SImode, operands[2],
- GEN_INT (- INTVAL (operands[3])));
- else
- tem = gen_rtx (MINUS, SImode, operands[2], operands[3]);
-
- operands[5] = gen_rtx (SIGN_EXTEND, DImode, tem);
- operands[6] = gen_rtx (GET_CODE (operands[1]), VOIDmode,
- operands[4], const0_rtx);
- }")
-
- ;; We can convert such things as "a > 0xffff" to "t = a & ~ 0xffff; t != 0".
- ;; This eliminates one, and sometimes two, insns when the AND can be done
- ;; with a ZAP.
- (define_split
- [(set (match_operand:DI 0 "register_operand" "")
- (match_operator 1 "comparison_operator"
- [(match_operand:DI 2 "register_operand" "")
- (match_operand:DI 3 "const_int_operand" "")]))
- (clobber (match_operand:DI 4 "register_operand" ""))]
- "exact_log2 (INTVAL (operands[3]) + 1) >= 0
- && (GET_CODE (operands[1]) == GTU
- || GET_CODE (operands[1]) == LEU
- || ((GET_CODE (operands[1]) == GT || GET_CODE (operands[1]) == LE)
- && extended_count (operands[2], DImode, 1) > 0))"
- [(set (match_dup 4) (and:DI (match_dup 2) (match_dup 5)))
- (set (match_dup 0) (match_dup 6))]
- "
- {
- operands[5] = GEN_INT (~ INTVAL (operands[3]));
- operands[6] = gen_rtx (((GET_CODE (operands[1]) == GTU
- || GET_CODE (operands[1]) == GE)
- ? NE : EQ),
- DImode, operands[4], const0_rtx);
- }")
-
- ;; Here are the CALL and unconditional branch insns.
-
- (define_expand "call"
- [(parallel [(call (mem:DI (match_dup 2))
- (match_operand 1 "" ""))
- (use (match_operand:DI 0 "" ""))
- (clobber (reg:DI 26))])]
- ""
- "
- { if (GET_CODE (operands[0]) != MEM)
- abort ();
- operands[0] = XEXP (operands[0], 0);
-
- operands[2] = gen_rtx (REG, DImode, 27);
- emit_move_insn (operands[2], operands[0]);
-
- if (GET_CODE (operands[0]) != SYMBOL_REF)
- operands[0] = const0_rtx;
- }")
-
- (define_expand "call_value"
- [(parallel [(set (match_operand 0 "" "")
- (call (mem:DI (match_dup 3))
- (match_operand 2 "" "")))
- (use (match_operand:DI 1 "" ""))
- (clobber (reg:DI 26))])]
- ""
- "
- { if (GET_CODE (operands[1]) != MEM)
- abort ();
-
- operands[1] = XEXP (operands[1], 0);
-
- operands[3] = gen_rtx (REG, DImode, 27);
- emit_move_insn (operands[3], operands[1]);
-
- if (GET_CODE (operands[1]) != SYMBOL_REF)
- operands[1] = const0_rtx;
- }")
-
- (define_insn ""
- [(call (mem:DI (reg:DI 27))
- (match_operand 0 "" ""))
- (use (match_operand:DI 1 "" ""))
- (clobber (reg:DI 26))]
- ""
- "jsr $26,($27),%1\;ldgp $29,0($26)"
- [(set_attr "type" "jsr")])
-
- (define_insn ""
- [(set (match_operand 0 "register_operand" "=rf")
- (call (mem:DI (reg:DI 27))
- (match_operand 1 "" "")))
- (use (match_operand:DI 2 "" ""))
- (clobber (reg:DI 26))]
- ""
- "jsr $26,($27),%2\;ldgp $29,0($26)"
- [(set_attr "type" "jsr")])
-
- (define_insn ""
- [(call (mem:DI (match_operand 1 "current_file_function_operand" "i"))
- (match_operand 0 "" ""))
- (use (match_dup 1))
- (clobber (reg:DI 26))]
- ""
- "bsr $26,%1..ng"
- [(set_attr "type" "ibr")])
-
- (define_insn ""
- [(set (match_operand 0 "register_operand" "=rf")
- (call (mem:DI (match_operand 1 "current_file_function_operand" "i"))
- (match_operand 2 "" "")))
- (use (match_dup 1))
- (clobber (reg:DI 26))]
- ""
- "bsr $26,%1..ng"
- [(set_attr "type" "ibr")])
-
- ;; Call subroutine returning any type.
-
- (define_expand "untyped_call"
- [(parallel [(call (match_operand 0 "" "")
- (const_int 0))
- (match_operand 1 "" "")
- (match_operand 2 "" "")])]
- ""
- "
- {
- int i;
-
- emit_call_insn (gen_call (operands[0], const0_rtx, NULL, const0_rtx));
-
- for (i = 0; i < XVECLEN (operands[2], 0); i++)
- {
- rtx set = XVECEXP (operands[2], 0, i);
- emit_move_insn (SET_DEST (set), SET_SRC (set));
- }
-
- /* The optimizer does not know that the call sets the function value
- registers we stored in the result block. We avoid problems by
- claiming that all hard registers are used and clobbered at this
- point. */
- emit_insn (gen_blockage ());
-
- DONE;
- }")
-
- ;; UNSPEC_VOLATILE is considered to use and clobber all hard registers and
- ;; all of memory. This blocks insns from being moved across this point.
-
- (define_insn "blockage"
- [(unspec_volatile [(const_int 0)] 1)]
- ""
- "")
-
- (define_insn "jump"
- [(set (pc)
- (label_ref (match_operand 0 "" "")))]
- ""
- "br $31,%l0"
- [(set_attr "type" "ibr")])
-
- (define_insn "return"
- [(return)]
- "direct_return ()"
- "ret $31,($26),1"
- [(set_attr "type" "ibr")])
-
- (define_insn "indirect_jump"
- [(set (pc) (match_operand:DI 0 "register_operand" "r"))]
- ""
- "jmp $31,(%0),0"
- [(set_attr "type" "ibr")])
-
- (define_insn "nop"
- [(const_int 0)]
- ""
- "bis $31,$31,$31"
- [(set_attr "type" "iaddlog")])
-
- (define_expand "tablejump"
- [(set (match_dup 3)
- (sign_extend:DI (match_operand:SI 0 "register_operand" "")))
- (parallel [(set (pc) (plus:DI (match_dup 3) (reg:DI 29)))
- (use (label_ref (match_operand 1 "" "")))
- (clobber (match_scratch:DI 2 "=r"))])]
- ""
- "
- { operands[3] = gen_reg_rtx (DImode); }")
-
- (define_insn ""
- [(set (pc)
- (plus:DI (match_operand:DI 0 "register_operand" "r")
- (reg:DI 29)))
- (use (label_ref (match_operand 1 "" "")))
- (clobber (match_scratch:DI 2 "=r"))]
- ""
- "*
- { rtx best_label = 0;
- rtx jump_table_insn = next_active_insn (operands[1]);
-
- if (GET_CODE (jump_table_insn) == JUMP_INSN
- && GET_CODE (PATTERN (jump_table_insn)) == ADDR_VEC)
- {
- rtx jump_table = PATTERN (jump_table_insn);
- int n_labels = XVECLEN (jump_table, 0);
- int best_count = -1;
- int i, j;
-
- for (i = 0; i < n_labels; i++)
- {
- int count = 1;
-
- for (j = i + 1; j < n_labels; j++)
- if (XEXP (XVECEXP (jump_table, 0, i), 0)
- == XEXP (XVECEXP (jump_table, 0, j), 0))
- count++;
-
- if (count > best_count)
- best_count = count, best_label = XVECEXP (jump_table, 0, i);
- }
- }
-
- if (best_label)
- {
- operands[3] = best_label;
- return \"addq %0,$29,%2\;jmp $31,(%2),%3\";
- }
- else
- return \"addq %0,$29,%2\;jmp $31,(%2),0\";
- }"
- [(set_attr "type" "ibr")])
-
- ;; Cache flush. Used by INITIALIZE_TRAMPOLINE. 0x86 is PAL_imb, but we don't
- ;; want to have to include pal.h in our .s file.
- (define_insn ""
- [(unspec_volatile [(const_int 0)] 0)]
- ""
- "call_pal 0x86")
-
- ;; Finally, we have the basic data motion insns. The byte and word insns
- ;; are done via define_expand. Start with the floating-point insns, since
- ;; they are simpler.
-
- (define_insn ""
- [(set (match_operand:SF 0 "nonimmediate_operand" "=r,r,m,f,f,f,m")
- (match_operand:SF 1 "input_operand" "rG,m,rG,f,G,m,fG"))]
- "register_operand (operands[0], SFmode)
- || reg_or_fp0_operand (operands[1], SFmode)"
- "@
- bis %r1,%r1,%0
- ldl %0,%1
- stl %r1,%0
- cpys %1,%1,%0
- cpys $f31,$f31,%0
- lds %0,%1
- sts %R1,%0"
- [(set_attr "type" "iaddlog,ld,st,fpop,fpop,ld,st")])
-
- (define_insn ""
- [(set (match_operand:DF 0 "nonimmediate_operand" "=r,r,m,f,f,f,m")
- (match_operand:DF 1 "input_operand" "rG,m,rG,f,G,m,fG"))]
- "register_operand (operands[0], DFmode)
- || reg_or_fp0_operand (operands[1], DFmode)"
- "@
- bis %r1,%r1,%0
- ldq %0,%1
- stq %r1,%0
- cpys %1,%1,%0
- cpys $f31,$f31,%0
- ldt %0,%1
- stt %R1,%0"
- [(set_attr "type" "iaddlog,ld,st,fpop,fpop,ld,st")])
-
- (define_expand "movsf"
- [(set (match_operand:SF 0 "nonimmediate_operand" "")
- (match_operand:SF 1 "general_operand" ""))]
- ""
- "
- {
- if (GET_CODE (operands[0]) == MEM
- && ! reg_or_fp0_operand (operands[1], SFmode))
- operands[1] = force_reg (SFmode, operands[1]);
- }")
-
- (define_expand "movdf"
- [(set (match_operand:DF 0 "nonimmediate_operand" "")
- (match_operand:DF 1 "general_operand" ""))]
- ""
- "
- {
- if (GET_CODE (operands[0]) == MEM
- && ! reg_or_fp0_operand (operands[1], DFmode))
- operands[1] = force_reg (DFmode, operands[1]);
- }")
-
- ;; There is a problem with 32-bit values in FP registers. We keep such
- ;; values in the register as a quadword. This is done on loads by using
- ;; the cvtlq instruction. On stores, we can't do anything directly from
- ;; floating-point registers. Disallow such an operation and let reload
- ;; use an integer register instead. Don't encourage 32-bit values to
- ;; be placed in FP registers at all.
-
- (define_insn ""
- [(set (match_operand:SI 0 "nonimmediate_operand" "=r,r,r,r,r,r,m,*f,*f,*f")
- (match_operand:SI 1 "input_operand" "r,J,I,K,L,m,rJ,*f,J,m"))]
- "register_operand (operands[0], SImode)
- || reg_or_0_operand (operands[1], SImode)"
- "@
- bis %1,%1,%0
- bis $31,$31,%0
- bis $31,%1,%0
- lda %0,%1
- ldah %0,%h1
- ldl %0,%1
- stl %r1,%0
- cpys %1,%1,%0
- cpys $f31,$f31,%0
- lds %0,%1\;cvtlq %0,%0"
- [(set_attr "type" "iaddlog,iaddlog,iaddlog,iaddlog,iaddlog,ld,st,fpop,fpop,ld")])
-
- (define_insn ""
- [(set (match_operand:HI 0 "nonimmediate_operand" "=r,r,r,r,f,f")
- (match_operand:HI 1 "input_operand" "r,J,I,n,f,J"))]
- "register_operand (operands[0], HImode)
- || register_operand (operands[1], HImode)"
- "@
- bis %1,%1,%0
- bis $31,$31,%0
- bis $31,%1,%0
- lda %0,%L1
- cpys %1,%1,%0
- cpys $f31,$f31,%0"
- [(set_attr "type" "iaddlog,iaddlog,iaddlog,iaddlog,fpop,fpop")])
-
- (define_insn ""
- [(set (match_operand:QI 0 "nonimmediate_operand" "=r,r,r,r,f,f")
- (match_operand:QI 1 "input_operand" "r,J,I,n,f,J"))]
- "register_operand (operands[0], QImode)
- || register_operand (operands[1], QImode)"
- "@
- bis %1,%1,%0
- bis $31,$31,%0
- bis $31,%1,%0
- lda %0,%L1
- cpys %1,%1,%0
- cpys $f31,$f31,%0"
- [(set_attr "type" "iaddlog,iaddlog,iaddlog,iaddlog,fpop,fpop")])
-
- ;; We do two major things here: handle mem->mem and construct long
- ;; constants.
-
- (define_expand "movsi"
- [(set (match_operand:SI 0 "general_operand" "")
- (match_operand:SI 1 "general_operand" ""))]
- ""
- "
- {
- if (GET_CODE (operands[0]) == MEM
- && ! reg_or_0_operand (operands[1], SImode))
- operands[1] = force_reg (SImode, operands[1]);
-
- if (! CONSTANT_P (operands[1]) || input_operand (operands[1], SImode))
- ;
- else if (GET_CODE (operands[1]) == CONST_INT)
- {
- if (alpha_emit_set_const (operands[0], INTVAL (operands[1]), 3))
- DONE;
- else
- abort ();
- }
- }")
-
- ;; Split a load of a large constant into the appropriate two-insn
- ;; sequence.
-
- (define_split
- [(set (match_operand:SI 0 "register_operand" "")
- (match_operand:SI 1 "const_int_operand" ""))]
- "! add_operand (operands[1], SImode)"
- [(set (match_dup 0) (match_dup 2))
- (set (match_dup 0) (plus:SI (match_dup 0) (match_dup 3)))]
- "
- { if (alpha_emit_set_const (operands[0], INTVAL (operands[1]), 2))
- DONE;
- else
- FAIL;
- }")
-
- (define_insn ""
- [(set (match_operand:DI 0 "general_operand" "=r,r,r,r,r,r,r,m,f,f,f,Q")
- (match_operand:DI 1 "input_operand" "r,J,I,K,L,s,m,rJ,f,J,Q,fG"))]
- "register_operand (operands[0], DImode)
- || reg_or_0_operand (operands[1], DImode)"
- "@
- bis %1,%1,%0
- bis $31,$31,%0
- bis $31,%1,%0
- lda %0,%1
- ldah %0,%h1
- lda %0,%1
- ldq%A1 %0,%1
- stq%A0 %r1,%0
- cpys %1,%1,%0
- cpys $f31,$f31,%0
- ldt %0,%1
- stt %R1,%0"
- [(set_attr "type" "iaddlog,iaddlog,iaddlog,iaddlog,iaddlog,ldsym,ld,st,fpop,fpop,ld,st")])
-
- ;; We do three major things here: handle mem->mem, put 64-bit constants in
- ;; memory, and construct long 32-bit constants.
-
- (define_expand "movdi"
- [(set (match_operand:DI 0 "general_operand" "")
- (match_operand:DI 1 "general_operand" ""))]
- ""
- "
- {
- if (GET_CODE (operands[0]) == MEM
- && ! reg_or_0_operand (operands[1], DImode))
- operands[1] = force_reg (DImode, operands[1]);
-
- if (! CONSTANT_P (operands[1]) || input_operand (operands[1], DImode))
- ;
- else if (GET_CODE (operands[1]) == CONST_INT
- && alpha_emit_set_const (operands[0], INTVAL (operands[1]), 3))
- DONE;
- else if (CONSTANT_P (operands[1]))
- {
- operands[1] = force_const_mem (DImode, operands[1]);
- if (reload_in_progress)
- {
- emit_move_insn (operands[0], XEXP (operands[1], 0));
- XEXP (operands[1], 0) = operands[0];
- }
- else
- operands[1] = validize_mem (operands[1]);
- }
- else
- abort ();
- }")
-
- ;; Split a load of a large constant into the appropriate two-insn
- ;; sequence.
-
- (define_split
- [(set (match_operand:DI 0 "register_operand" "")
- (match_operand:DI 1 "const_int_operand" ""))]
- "! add_operand (operands[1], DImode)"
- [(set (match_dup 0) (match_dup 2))
- (set (match_dup 0) (plus:DI (match_dup 0) (match_dup 3)))]
- "
- { if (alpha_emit_set_const (operands[0], INTVAL (operands[1]), 2))
- DONE;
- else
- FAIL;
- }")
-
- ;; These are the partial-word cases.
- ;;
- ;; First we have the code to load an aligned word. Operand 0 is the register
- ;; in which to place the result. It's mode is QImode or HImode. Operand 1
- ;; is an SImode MEM at the low-order byte of the proper word. Operand 2 is the
- ;; number of bits within the word that the value is. Operand 3 is an SImode
- ;; scratch register. If operand 0 is a hard register, operand 3 may be the
- ;; same register. It is allowed to conflict with operand 1 as well.
-
- (define_expand "aligned_loadqi"
- [(set (match_operand:SI 3 "register_operand" "")
- (match_operand:SI 1 "memory_operand" ""))
- (set (subreg:DI (match_operand:QI 0 "register_operand" "") 0)
- (zero_extract:DI (subreg:DI (match_dup 3) 0)
- (const_int 8)
- (match_operand:DI 2 "const_int_operand" "")))]
-
- ""
- "")
-
- (define_expand "aligned_loadhi"
- [(set (match_operand:SI 3 "register_operand" "")
- (match_operand:SI 1 "memory_operand" ""))
- (set (subreg:DI (match_operand:HI 0 "register_operand" "") 0)
- (zero_extract:DI (subreg:DI (match_dup 3) 0)
- (const_int 16)
- (match_operand:DI 2 "const_int_operand" "")))]
-
- ""
- "")
-
- ;; Similar for unaligned loads. For QImode, we use the sequence from the
- ;; Alpha Architecture manual. However, for HImode, we do not. HImode pointers
- ;; are normally aligned to the byte boundary, so an HImode object cannot
- ;; cross a longword boundary. We could use a sequence similar to that for
- ;; QImode, but that would fail if the pointer, was, in fact, not aligned.
- ;; Instead, we clear bit 1 in the address and do an ldl. If the low-order
- ;; bit was not aligned, this will trap and the trap handler will do what is
- ;; needed.
- ;;
- ;; Here operand 1 is the address. Operands 2 and 3 are temporaries, where
- ;; operand 3 can overlap the input and output registers.
-
- (define_expand "unaligned_loadqi"
- [(set (match_operand:DI 2 "register_operand" "")
- (mem:DI (and:DI (match_operand:DI 1 "address_operand" "")
- (const_int -8))))
- (set (match_operand:DI 3 "register_operand" "")
- (match_dup 1))
- (set (subreg:DI (match_operand:QI 0 "register_operand" "") 0)
- (zero_extract:DI (match_dup 2)
- (const_int 8)
- (ashift:DI (match_dup 3) (const_int 3))))]
- ""
- "")
-
- ;; For this, the address must already be in a register. We also need two
- ;; DImode temporaries, neither of which may overlap the input (and hence the
- ;; output, since they might be the same register), but both of which may
- ;; be the same.
-
- (define_expand "unaligned_loadhi"
- [(set (match_operand:DI 2 "register_operand" "")
- (and:DI (match_operand:DI 1 "register_operand" "")
- (const_int -7)))
- (set (match_operand:DI 3 "register_operand" "")
- (mem:DI (match_dup 2)))
- (set (match_operand:DI 4 "register_operand" "")
- (and:DI (match_dup 1) (const_int -2)))
- (set (subreg:DI (match_operand:HI 0 "register_operand" "") 0)
- (zero_extract:DI (match_dup 3)
- (const_int 16)
- (ashift:DI (match_dup 4) (const_int 3))))]
- ""
- "")
-
- ;; Storing an aligned byte or word requires two temporaries. Operand 0 is the
- ;; aligned SImode MEM. Operand 1 is the register containing the
- ;; byte or word to store. Operand 2 is the number of bits within the word that
- ;; the value should be placed. Operands 3 and 4 are SImode temporaries.
-
- (define_expand "aligned_store"
- [(set (match_operand:SI 3 "register_operand" "")
- (match_operand:SI 0 "memory_operand" ""))
- (set (subreg:DI (match_dup 3) 0)
- (and:DI (subreg:DI (match_dup 3) 0) (match_dup 5)))
- (set (subreg:DI (match_operand:SI 4 "register_operand" "") 0)
- (ashift:DI (zero_extend:DI (match_operand 1 "register_operand" ""))
- (match_operand:DI 2 "const_int_operand" "")))
- (set (subreg:DI (match_dup 4) 0)
- (ior:DI (subreg:DI (match_dup 4) 0) (subreg:DI (match_dup 3) 0)))
- (set (match_dup 0) (match_dup 4))]
- ""
- "
- { operands[5] = GEN_INT (~ (GET_MODE_MASK (GET_MODE (operands[1]))
- << INTVAL (operands[2])));
- }")
-
- ;; For the unaligned byte case, we use code similar to that in the
- ;; Architecture book, but reordered to lower the number of registers
- ;; required. Operand 0 is the address. Operand 1 is the data to store.
- ;; Operands 2, 3, and 4 are DImode temporaries, where operands 2 and 4 may
- ;; be the same temporary, if desired. If the address is in a register,
- ;; operand 2 can be that register.
-
- (define_expand "unaligned_storeqi"
- [(set (match_operand:DI 3 "register_operand" "")
- (mem:DI (and:DI (match_operand:DI 0 "address_operand" "")
- (const_int -8))))
- (set (match_operand:DI 2 "register_operand" "")
- (match_dup 0))
- (set (match_dup 3)
- (and:DI (not:DI (ashift:DI (const_int 255)
- (ashift:DI (match_dup 2) (const_int 3))))
- (match_dup 3)))
- (set (match_operand:DI 4 "register_operand" "")
- (ashift:DI (zero_extend:DI (match_operand:QI 1 "register_operand" ""))
- (ashift:DI (match_dup 2) (const_int 3))))
- (set (match_dup 4) (ior:DI (match_dup 4) (match_dup 3)))
- (set (mem:DI (and:DI (match_dup 0) (const_int -8)))
- (match_dup 4))]
- ""
- "")
-
- ;; This is the code for storing into an unaligned short. It uses the same
- ;; trick as loading from an unaligned short. It needs lots of temporaries.
- ;; However, during reload, we only have two registers available. So we
- ;; repeat code so that only two temporaries are available. During RTL
- ;; generation, we can use different pseudos for each temporary and CSE
- ;; will remove the redundancies. During reload, we have to settle with
- ;; what we get. Luckily, unaligned accesses of this kind produced during
- ;; reload are quite rare.
- ;;
- ;; Operand 0 is the address of the memory location. Operand 1 contains the
- ;; data to store. The rest of the operands are all temporaries, with
- ;; various overlap possibilities during reload. See reload_outhi for
- ;; details of this use.
-
- (define_expand "unaligned_storehi"
- [(set (match_operand:DI 2 "register_operand" "")
- (match_operand:DI 0 "address_operand" ""))
- (set (match_operand:DI 3 "register_operand" "")
- (and:DI (match_dup 2) (const_int -7)))
- (set (match_operand:DI 4 "register_operand" "")
- (mem:DI (match_dup 3)))
- (set (match_operand:DI 10 "register_operand" "")
- (and:DI (match_dup 2) (const_int -2)))
- (set (match_operand:DI 5 "register_operand" "")
- (and:DI (not:DI (ashift:DI (const_int 65535)
- (ashift:DI (match_dup 10) (const_int 3))))
- (match_dup 4)))
- (set (match_operand:DI 6 "register_operand" "")
- (ashift:DI (zero_extend:DI (match_operand:HI 1 "register_operand" ""))
- (ashift:DI (match_dup 10) (const_int 3))))
- (set (match_operand:DI 7 "register_operand" "")
- (ior:DI (match_dup 5) (match_dup 6)))
- (set (match_operand:DI 8 "register_operand" "") (match_dup 0))
- (set (match_operand:DI 9 "register_operand" "")
- (and:DI (match_dup 8) (const_int -7)))
- (set (mem:DI (match_dup 9)) (match_dup 7))]
- ""
- "")
-
- ;; Here are the define_expand's for QI and HI moves that use the above
- ;; patterns. We have the normal sets, plus the ones that need scratch
- ;; registers for reload.
-
- (define_expand "movqi"
- [(set (match_operand:QI 0 "general_operand" "")
- (match_operand:QI 1 "general_operand" ""))]
- ""
- "
- { extern rtx get_unaligned_address ();
-
- /* If the output is not a register, the input must be. */
- if (GET_CODE (operands[0]) == MEM)
- operands[1] = force_reg (QImode, operands[1]);
-
- /* Handle four memory cases, unaligned and aligned for either the input
- or the output. The only case where we can be called during reload is
- for aligned loads; all other cases require temporaries. */
-
- if (GET_CODE (operands[1]) == MEM
- || (GET_CODE (operands[1]) == SUBREG
- && GET_CODE (SUBREG_REG (operands[1])) == MEM)
- || (reload_in_progress && GET_CODE (operands[1]) == REG
- && REGNO (operands[1]) >= FIRST_PSEUDO_REGISTER)
- || (reload_in_progress && GET_CODE (operands[1]) == SUBREG
- && GET_CODE (SUBREG_REG (operands[1])) == REG
- && REGNO (SUBREG_REG (operands[1])) >= FIRST_PSEUDO_REGISTER))
- {
- if (aligned_memory_operand (operands[1], QImode))
- {
- rtx aligned_mem, bitnum;
- rtx scratch = (reload_in_progress
- ? gen_rtx (REG, SImode, REGNO (operands[0]))
- : gen_reg_rtx (SImode));
-
- get_aligned_mem (operands[1], &aligned_mem, &bitnum);
-
- emit_insn (gen_aligned_loadqi (operands[0], aligned_mem, bitnum,
- scratch));
- }
- else
- {
- /* Don't pass these as parameters since that makes the generated
- code depend on parameter evaluation order which will cause
- bootstrap failures. */
-
- rtx temp1 = gen_reg_rtx (DImode);
- rtx temp2 = gen_reg_rtx (DImode);
- rtx seq = gen_unaligned_loadqi (operands[0],
- get_unaligned_address (operands[1]),
- temp1, temp2);
-
- alpha_set_memflags (seq, operands[1]);
- emit_insn (seq);
- }
-
- DONE;
- }
-
- else if (GET_CODE (operands[0]) == MEM
- || (GET_CODE (operands[0]) == SUBREG
- && GET_CODE (SUBREG_REG (operands[0])) == MEM)
- || (reload_in_progress && GET_CODE (operands[0]) == REG
- && REGNO (operands[0]) >= FIRST_PSEUDO_REGISTER)
- || (reload_in_progress && GET_CODE (operands[0]) == SUBREG
- && GET_CODE (SUBREG_REG (operands[0])) == REG
- && REGNO (operands[0]) >= FIRST_PSEUDO_REGISTER))
- {
- if (aligned_memory_operand (operands[0], QImode))
- {
- rtx aligned_mem, bitnum;
- rtx temp1 = gen_reg_rtx (SImode);
- rtx temp2 = gen_reg_rtx (SImode);
-
- get_aligned_mem (operands[0], &aligned_mem, &bitnum);
-
- emit_insn (gen_aligned_store (aligned_mem, operands[1], bitnum,
- temp1, temp2));
- }
- else
- {
- rtx temp1 = gen_reg_rtx (DImode);
- rtx temp2 = gen_reg_rtx (DImode);
- rtx temp3 = gen_reg_rtx (DImode);
- rtx seq = gen_unaligned_storeqi (get_unaligned_address (operands[0]),
- operands[1], temp1, temp2, temp3);
-
- alpha_set_memflags (seq, operands[0]);
- emit_insn (seq);
- }
- DONE;
- }
- }")
-
- (define_expand "movhi"
- [(set (match_operand:HI 0 "general_operand" "")
- (match_operand:HI 1 "general_operand" ""))]
- ""
- "
- { extern rtx get_unaligned_address ();
-
- /* If the output is not a register, the input must be. */
- if (GET_CODE (operands[0]) == MEM)
- operands[1] = force_reg (HImode, operands[1]);
-
- /* Handle four memory cases, unaligned and aligned for either the input
- or the output. The only case where we can be called during reload is
- for aligned loads; all other cases require temporaries. */
-
- if (GET_CODE (operands[1]) == MEM
- || (GET_CODE (operands[1]) == SUBREG
- && GET_CODE (SUBREG_REG (operands[1])) == MEM)
- || (reload_in_progress && GET_CODE (operands[1]) == REG
- && REGNO (operands[1]) >= FIRST_PSEUDO_REGISTER)
- || (reload_in_progress && GET_CODE (operands[1]) == SUBREG
- && GET_CODE (SUBREG_REG (operands[1])) == REG
- && REGNO (SUBREG_REG (operands[1])) >= FIRST_PSEUDO_REGISTER))
- {
- if (aligned_memory_operand (operands[1], HImode))
- {
- rtx aligned_mem, bitnum;
- rtx scratch = (reload_in_progress
- ? gen_rtx (REG, SImode, REGNO (operands[0]))
- : gen_reg_rtx (SImode));
-
- get_aligned_mem (operands[1], &aligned_mem, &bitnum);
-
- emit_insn (gen_aligned_loadhi (operands[0], aligned_mem, bitnum,
- scratch));
- }
- else
- {
- rtx addr
- = force_reg (DImode,
- force_operand (get_unaligned_address (operands[1]),
- NULL_RTX));
- rtx scratch1 = gen_reg_rtx (DImode);
- rtx scratch2 = gen_reg_rtx (DImode);
- rtx scratch3 = gen_reg_rtx (DImode);
-
- rtx seq = gen_unaligned_loadhi (operands[0], addr, scratch1,
- scratch2, scratch3);
-
- alpha_set_memflags (seq, operands[1]);
- emit_insn (seq);
- }
-
- DONE;
- }
-
- else if (GET_CODE (operands[0]) == MEM
- || (GET_CODE (operands[0]) == SUBREG
- && GET_CODE (SUBREG_REG (operands[0])) == MEM)
- || (reload_in_progress && GET_CODE (operands[0]) == REG
- && REGNO (operands[0]) >= FIRST_PSEUDO_REGISTER)
- || (reload_in_progress && GET_CODE (operands[0]) == SUBREG
- && GET_CODE (SUBREG_REG (operands[0])) == REG
- && REGNO (operands[0]) >= FIRST_PSEUDO_REGISTER))
- {
- if (aligned_memory_operand (operands[0], HImode))
- {
- rtx aligned_mem, bitnum;
- rtx temp1 = gen_reg_rtx (SImode);
- rtx temp2 = gen_reg_rtx (SImode);
-
- get_aligned_mem (operands[0], &aligned_mem, &bitnum);
-
- emit_insn (gen_aligned_store (aligned_mem, operands[1], bitnum,
- temp1, temp2));
- }
- else
- {
- rtx temp1 = gen_reg_rtx (DImode);
- rtx temp2 = gen_reg_rtx (DImode);
- rtx temp3 = gen_reg_rtx (DImode);
- rtx temp4 = gen_reg_rtx (DImode);
- rtx temp5 = gen_reg_rtx (DImode);
- rtx temp6 = gen_reg_rtx (DImode);
- rtx temp7 = gen_reg_rtx (DImode);
- rtx temp8 = gen_reg_rtx (DImode);
- rtx temp9 = gen_reg_rtx (DImode);
-
- rtx seq = gen_unaligned_storehi (get_unaligned_address (operands[0]),
- operands[1], temp1, temp2,temp3,
- temp4, temp5, temp6,temp7,
- temp8, temp9);
-
- alpha_set_memflags (seq, operands[0]);
- emit_insn (seq);
- }
-
- DONE;
- }
- }")
-
- ;; Here are the versions for reload. Note that in the unaligned cases
- ;; we know that the operand must not be a pseudo-register because stack
- ;; slots are always aligned references.
-
- (define_expand "reload_inqi"
- [(parallel [(match_operand:QI 0 "register_operand" "=r")
- (match_operand:QI 1 "unaligned_memory_operand" "m")
- (match_operand:TI 2 "register_operand" "=&r")])]
- ""
- "
- { extern rtx get_unaligned_address ();
- rtx addr = get_unaligned_address (operands[1]);
- /* It is possible that one of the registers we got for operands[2]
- might co-incide with that of operands[0] (which is why we made
- it TImode). Pick the other one to use as our scratch. */
- rtx scratch = gen_rtx (REG, DImode,
- REGNO (operands[0]) == REGNO (operands[2])
- ? REGNO (operands[2]) + 1 : REGNO (operands[2]));
- rtx seq = gen_unaligned_loadqi (operands[0], addr, scratch,
- gen_rtx (REG, DImode, REGNO (operands[0])));
-
- alpha_set_memflags (seq, operands[1]);
- emit_insn (seq);
- DONE;
- }")
-
- (define_expand "reload_inhi"
- [(parallel [(match_operand:HI 0 "register_operand" "=r")
- (match_operand:HI 1 "unaligned_memory_operand" "m")
- (match_operand:TI 2 "register_operand" "=&r")])]
- ""
- "
- { extern rtx get_unaligned_address ();
- rtx addr = get_unaligned_address (operands[1]);
- rtx scratch1 = gen_rtx (REG, DImode, REGNO (operands[2]));
- rtx scratch2 = gen_rtx (REG, DImode, REGNO (operands[2]) + 1);
- rtx seq;
-
- if (GET_CODE (addr) != REG)
- {
- emit_insn (gen_rtx (SET, VOIDmode, scratch2, addr));
- addr = scratch2;
- }
-
- seq = gen_unaligned_loadhi (operands[0], addr, scratch1, scratch1, scratch2);
- alpha_set_memflags (seq, operands[1]);
- emit_insn (seq);
- DONE;
- }")
-
- (define_expand "reload_outqi"
- [(parallel [(match_operand:QI 0 "any_memory_operand" "=m")
- (match_operand:QI 1 "register_operand" "r")
- (match_operand:TI 2 "register_operand" "=&r")])]
- ""
- "
- { extern rtx get_unaligned_address ();
-
- if (aligned_memory_operand (operands[0], QImode))
- {
- rtx aligned_mem, bitnum;
-
- get_aligned_mem (operands[0], &aligned_mem, &bitnum);
-
- emit_insn (gen_aligned_store (aligned_mem, operands[1], bitnum,
- gen_rtx (REG, SImode, REGNO (operands[2])),
- gen_rtx (REG, SImode,
- REGNO (operands[2]) + 1)));
- }
- else
- {
- rtx addr = get_unaligned_address (operands[0]);
- rtx scratch1 = gen_rtx (REG, DImode, REGNO (operands[2]));
- rtx scratch2 = gen_rtx (REG, DImode, REGNO (operands[2]) + 1);
- rtx seq;
-
- if (GET_CODE (addr) == REG)
- scratch1 = addr;
-
- seq = gen_unaligned_storeqi (addr, operands[1], scratch1,
- scratch2, scratch1);
- alpha_set_memflags (seq, operands[0]);
- emit_insn (seq);
- }
-
- DONE;
- }")
-
- (define_expand "reload_outhi"
- [(parallel [(match_operand:HI 0 "any_memory_operand" "=m")
- (match_operand:HI 1 "register_operand" "r")
- (match_operand:TI 2 "register_operand" "=&r")])]
- ""
- "
- { extern rtx get_unaligned_address ();
-
- if (aligned_memory_operand (operands[0], HImode))
- {
- rtx aligned_mem, bitnum;
-
- get_aligned_mem (operands[0], &aligned_mem, &bitnum);
-
- emit_insn (gen_aligned_store (aligned_mem, operands[1], bitnum,
- gen_rtx (REG, SImode, REGNO (operands[2])),
- gen_rtx (REG, SImode,
- REGNO (operands[2]) + 1)));
- }
- else
- {
- rtx addr = get_unaligned_address (operands[0]);
- rtx scratch1 = gen_rtx (REG, DImode, REGNO (operands[2]));
- rtx scratch2 = gen_rtx (REG, DImode, REGNO (operands[2]) + 1);
- rtx scratch_a = GET_CODE (addr) == REG ? addr : scratch1;
- rtx seq;
-
- seq = gen_unaligned_storehi (addr, operands[1], scratch_a,
- scratch2, scratch2, scratch2,
- scratch1, scratch2, scratch_a,
- scratch1, scratch_a);
- alpha_set_memflags (seq, operands[0]);
- emit_insn (seq);
- }
-
- DONE;
- }")
-
- ;; Subroutine of stack space allocation. Perform a stack probe.
- (define_expand "probe_stack"
- [(set (match_dup 1) (match_operand:DI 0 "const_int_operand" ""))]
- ""
- "
- {
- operands[0] = gen_rtx (MEM, DImode, plus_constant (stack_pointer_rtx,
- INTVAL (operands[0])));
- MEM_VOLATILE_P (operands[0]) = 1;
-
- operands[1] = gen_reg_rtx (DImode);
- }")
-
- ;; This is how we allocate stack space. If we are allocating a
- ;; constant amount of space and we know it is less than 4096
- ;; bytes, we need do nothing.
- ;;
- ;; If it is more than 4096 bytes, we need to probe the stack
- ;; periodically.
- (define_expand "allocate_stack"
- [(set (reg:DI 30)
- (plus:DI (reg:DI 30)
- (match_operand:DI 0 "reg_or_cint_operand" "")))]
- ""
- "
- {
- if (GET_CODE (operands[0]) == CONST_INT
- && INTVAL (operands[0]) < 32768)
- {
- if (INTVAL (operands[0]) >= 4096)
- {
- /* We do this the same way as in the prologue and generate explicit
- probes. Then we update the stack by the constant. */
-
- int probed = 4096;
-
- emit_insn (gen_probe_stack (GEN_INT (- probed)));
- while (probed + 8192 < INTVAL (operands[0]))
- emit_insn (gen_probe_stack (GEN_INT (- (probed += 8192))));
-
- if (probed + 4096 < INTVAL (operands[0]))
- emit_insn (gen_probe_stack (GEN_INT (- (probed += 4096))));
- }
-
- operands[0] = GEN_INT (- INTVAL (operands[0]));
- }
- else
- {
- rtx out_label = 0;
- rtx loop_label = gen_label_rtx ();
- rtx count = gen_reg_rtx (DImode);
- rtx access = gen_reg_rtx (Pmode);
- rtx memref = gen_rtx (MEM, DImode, access);
-
- MEM_VOLATILE_P (memref) = 1;
-
- /* If the amount to be allocated is not a constant, we only need to
- do something special if it is >= 4096. */
-
- if (GET_CODE (operands[0]) != CONST_INT)
- {
- operands[0] = force_reg (DImode, operands[0]);
- out_label = gen_label_rtx ();
- emit_insn (gen_cmpdi (operands[0],
- force_reg (DImode, GEN_INT (4096))));
- emit_jump_insn (gen_ble (out_label));
-
- /* Compute COUNT = (N + 4096) / 8192. N is known positive. */
- emit_insn (gen_adddi3 (count, operands[0], GEN_INT (4096)));
- emit_insn (gen_lshrdi3 (count, count, GEN_INT (13)));
- }
- else
- emit_move_insn (count, GEN_INT ((INTVAL (operands[0]) + 4096) >> 13));
-
- /* ACCESS = SP + 4096. */
- emit_insn (gen_adddi3 (access, stack_pointer_rtx, GEN_INT (4096)));
- emit_label (loop_label);
-
- /* Each iteration subtracts 8192 from ACCESS and references it. */
- emit_insn (gen_adddi3 (count, count, constm1_rtx));
- emit_insn (gen_adddi3 (access, access, GEN_INT (-8192)));
- emit_move_insn (gen_reg_rtx (DImode), memref);
- emit_insn (gen_cmpdi (count, const0_rtx));
- emit_jump_insn (gen_bgt (loop_label));
-
- if (out_label)
- emit_label (out_label);
-
- /* We need to subtract operands[0] from SP. We know it isn't a
- constant less than 32768, so we know we have to load it into
- a register. */
-
- emit_insn (gen_subdi3 (stack_pointer_rtx, stack_pointer_rtx,
- force_reg (Pmode, operands[0])));
-
- /* Now, unless we have a constant and we know that we are within
- 4096 from the end, we need to access sp + 4096. */
- if (! (GET_CODE (operands[0]) == CONST_INT
- && (INTVAL (operands[0]) % 8192) < 4096))
- emit_insn (gen_probe_stack (GEN_INT (4096)));
-
- DONE;
- }
- }")
-