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Text File | 1990-03-14 | 65.4 KB | 2,328 lines | [TEXT/MPS ] |
- ;;- Machine description for SPARC chip for GNU C compiler
- ;; Copyright (C) 1988, 1989 Free Software Foundation, Inc.
- ;; Contributed by Michael Tiemann (tiemann@mcc.com)
-
- ;; 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 1, 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.
-
- ;;- cpp macro #define NOTICE_UPDATE_CC in file tm.h handles condition code
- ;;- updates for most instructions.
-
- ;;- Operand classes for the register allocator:
-
- ;; Compare instructions.
- ;; This controls RTL generation and register allocation.
-
- ;; Put cmpsi first among compare insns so it matches two CONST_INT operands.
-
- (define_insn "cmpsi"
- [(set (cc0)
- (compare (match_operand:SI 0 "arith_operand" "r,rI")
- (match_operand:SI 1 "arith_operand" "I,r")))]
- ""
- "*
- {
- if (! REG_P (operands[0]))
- {
- cc_status.flags |= CC_REVERSED;
- return \"cmp %1,%0\";
- }
- return \"cmp %0,%1\";
- }")
-
- (define_expand "cmpdf"
- [(set (cc0)
- (compare (match_operand:DF 0 "nonmemory_operand" "f,fG")
- (match_operand:DF 1 "nonmemory_operand" "G,f")))]
- ""
- "emit_insn (gen_rtx (USE, VOIDmode, gen_rtx (REG, DFmode, 32)));")
-
- (define_insn ""
- [(set (cc0)
- (compare (match_operand:DF 0 "nonmemory_operand" "f,fG")
- (match_operand:DF 1 "nonmemory_operand" "G,f")))]
- ""
- "*
- {
- if (GET_CODE (operands[0]) == CONST_DOUBLE
- || GET_CODE (operands[1]) == CONST_DOUBLE)
- make_f0_contain_0 (2);
-
- cc_status.flags |= CC_IN_FCCR;
- if (GET_CODE (operands[0]) == CONST_DOUBLE)
- return \"fcmped %%f0,%1\;nop\";
- if (GET_CODE (operands[1]) == CONST_DOUBLE)
- return \"fcmped %0,%%f0\;nop\";
- return \"fcmped %0,%1\;nop\";
- }")
-
- (define_expand "cmpsf"
- [(set (cc0)
- (compare (match_operand:SF 0 "nonmemory_operand" "f,fG")
- (match_operand:SF 1 "nonmemory_operand" "G,f")))]
- ""
- "emit_insn (gen_rtx (USE, VOIDmode, gen_rtx (REG, SFmode, 32)));")
-
- (define_insn ""
- [(set (cc0)
- (compare (match_operand:SF 0 "nonmemory_operand" "f,fG")
- (match_operand:SF 1 "nonmemory_operand" "G,f")))]
- ""
- "*
- {
- if (GET_CODE (operands[0]) == CONST_DOUBLE
- || GET_CODE (operands[1]) == CONST_DOUBLE)
- make_f0_contain_0 (1);
-
- cc_status.flags |= CC_IN_FCCR;
- if (GET_CODE (operands[0]) == CONST_DOUBLE)
- return \"fcmpes %%f0,%1\;nop\";
- if (GET_CODE (operands[1]) == CONST_DOUBLE)
- return \"fcmpes %0,%%f0\;nop\";
- return \"fcmpes %0,%1\;nop\";
- }")
-
- ;; Put tstsi first among test insns so it matches a CONST_INT operand.
-
- (define_insn "tstsi"
- [(set (cc0)
- (match_operand:SI 0 "register_operand" "r"))]
- ""
- "tst %0")
-
- ;; Need this to take a general operand because cse can make
- ;; a CONST which won't be in a register.
- (define_insn ""
- [(set (cc0)
- (match_operand:SI 0 "immediate_operand" "i"))]
- ""
- "set %0,%%g1\;tst %%g1")
-
- ;; Optimize the case of following a reg-reg move with a test
- ;; of reg just moved.
-
- (define_peephole
- [(set (match_operand:SI 0 "register_operand" "=r")
- (match_operand:SI 1 "register_operand" "r"))
- (set (cc0) (match_operand:SI 2 "register_operand" "r"))]
- "operands[2] == operands[0]
- || operands[2] == operands[1]"
- "orcc %1,%%g0,%0 ! 2-insn combine")
-
- ;; Optimize 5(6) insn sequence to 3(4) insns.
- ;; These patterns could also optimize more complicated sets
- ;; before conditional branches.
-
- ;; Turned off because (1) this case is rarely encounted
- ;; (2) to be correct, more conditions must be checked
- ;; (3) the conditions must be checked with rtx_equal_p, not ==
- ;; (4) when branch scheduling is added to the compiler,
- ;; this optimization will be performed by the branch scheduler
- ;; Bottom line: it is not worth the trouble of fixing or
- ;; maintaining it.
-
- ;(define_peephole
- ; [(set (match_operand:SI 0 "register_operand" "=r")
- ; (match_operand:SI 1 "general_operand" "g"))
- ; (set (match_operand:SI 2 "register_operand" "=r")
- ; (match_operand:SI 3 "reg_or_0_operand" "rJ"))
- ; (set (cc0) (match_operand:SI 4 "register_operand" "r"))
- ; (set (pc) (match_operand 5 "" ""))]
- ; "GET_CODE (operands[5]) == IF_THEN_ELSE
- ; && operands[0] != operands[3]
- ; && ! reg_mentioned_p (operands[2], operands[1])
- ; && (operands[4] == operands[0]
- ; || operands[4] == operands[2]
- ; || operands[4] == operands[3])"
- ; "*
- ;{
- ; rtx xoperands[2];
- ; int parity;
- ; xoperands[0] = XEXP (operands[5], 0);
- ; if (GET_CODE (XEXP (operands[5], 1)) == PC)
- ; {
- ; parity = 1;
- ; xoperands[1] = XEXP (XEXP (operands[5], 2), 0);
- ; }
- ; else
- ; {
- ; parity = 0;
- ; xoperands[1] = XEXP (XEXP (operands[5], 1), 0);
- ; }
- ;
- ; if (operands[4] == operands[0])
- ; {
- ; /* Although the constraints for operands[1] permit a general
- ; operand (and hence possibly a const_int), we know that
- ; in this branch it cannot be a CONST_INT, since that would give
- ; us a fixed condition, and those should have been optimized away. */
- ; if (REG_P (operands[1]))
- ; output_asm_insn (\"orcc %1,%%g0,%0 ! 3-insn reorder\", operands);
- ; else if (GET_CODE (operands[1]) != MEM)
- ; abort ();
- ; else
- ; {
- ; if (CONSTANT_ADDRESS_P (XEXP (operands[1], 0)))
- ; output_asm_insn (\"sethi %%hi(%m1),%%g1\;ld [%%g1+%%lo(%m1)],%0\;tst %0 ! 4-insn reorder\", operands);
- ; else
- ; output_asm_insn (\"ld %1,%0\;tst %0 ! 3.5-insn reorder\", operands);
- ; }
- ; XVECEXP (PATTERN (insn), 0, 0) = XVECEXP (PATTERN (insn), 0, 2);
- ; XVECEXP (PATTERN (insn), 0, 1) = XVECEXP (PATTERN (insn), 0, 3);
- ; }
- ; else
- ; {
- ; output_asm_insn (\"orcc %3,%%g0,%2 ! 3-insn reorder\", operands);
- ; }
- ; if (parity)
- ; return output_delayed_branch (\"b%N0 %l1\", xoperands, insn);
- ; else
- ; return output_delayed_branch (\"b%C0 %l1\", xoperands, insn);
- ;}")
-
- ;; By default, operations don't set the condition codes.
- ;; These patterns allow cc's to be set, while doing some work
-
- (define_insn ""
- [(set (cc0)
- (zero_extend:SI (subreg:QI (match_operand:SI 0 "register_operand" "r") 0)))]
- ""
- "andcc %0,0xff,%%g0")
-
- (define_insn ""
- [(set (cc0)
- (plus:SI (match_operand:SI 0 "register_operand" "r%")
- (match_operand:SI 1 "arith_operand" "rI")))]
- ""
- "addcc %0,%1,%%g0")
-
- (define_insn ""
- [(set (cc0)
- (plus:SI (match_operand:SI 0 "register_operand" "r%")
- (match_operand:SI 1 "arith_operand" "rI")))
- (set (match_operand:SI 2 "register_operand" "=r")
- (plus:SI (match_dup 0) (match_dup 1)))]
- ""
- "addcc %0,%1,%2")
-
- (define_insn ""
- [(set (cc0)
- (minus:SI (match_operand:SI 0 "register_operand" "r")
- (match_operand:SI 1 "arith_operand" "rI")))
- (set (match_operand:SI 2 "register_operand" "=r")
- (minus:SI (match_dup 0) (match_dup 1)))]
- ""
- "subcc %0,%1,%2")
-
- (define_insn ""
- [(set (cc0)
- (and:SI (match_operand:SI 0 "register_operand" "r%")
- (match_operand:SI 1 "arith_operand" "rI")))]
- ""
- "andcc %0,%1,%%g0")
-
- (define_insn ""
- [(set (cc0)
- (and:SI (match_operand:SI 0 "register_operand" "r%")
- (match_operand:SI 1 "arith_operand" "rI")))
- (set (match_operand:SI 2 "register_operand" "=r")
- (and:SI (match_dup 0) (match_dup 1)))]
- ""
- "andcc %0,%1,%2")
-
- (define_insn ""
- [(set (cc0)
- (and:SI (match_operand:SI 0 "register_operand" "r%")
- (not:SI (match_operand:SI 1 "arith_operand" "rI"))))]
- ""
- "andncc %0,%1,%%g0")
-
- (define_insn ""
- [(set (cc0)
- (and:SI (match_operand:SI 0 "register_operand" "r%")
- (not:SI (match_operand:SI 1 "arith_operand" "rI"))))
- (set (match_operand:SI 2 "register_operand" "=r")
- (and:SI (match_dup 0) (not:SI (match_dup 1))))]
- ""
- "andncc %0,%1,%2")
-
- (define_insn ""
- [(set (cc0)
- (ior:SI (match_operand:SI 0 "register_operand" "r%")
- (match_operand:SI 1 "arith_operand" "rI")))]
- ""
- "orcc %0,%1,%%g0")
-
- (define_insn ""
- [(set (cc0)
- (ior:SI (match_operand:SI 0 "register_operand" "r%")
- (match_operand:SI 1 "arith_operand" "rI")))
- (set (match_operand:SI 2 "register_operand" "=r")
- (ior:SI (match_dup 0) (match_dup 1)))]
- ""
- "orcc %0,%1,%2")
-
- (define_insn ""
- [(set (cc0)
- (ior:SI (match_operand:SI 0 "register_operand" "r%")
- (not:SI (match_operand:SI 1 "arith_operand" "rI"))))]
- ""
- "orncc %0,%1,%%g0")
-
- (define_insn ""
- [(set (cc0)
- (ior:SI (match_operand:SI 0 "register_operand" "r%")
- (not:SI (match_operand:SI 1 "arith_operand" "rI"))))
- (set (match_operand:SI 2 "register_operand" "=r")
- (ior:SI (match_dup 0) (not:SI (match_dup 1))))]
- ""
- "orncc %0,%1,%2")
-
- (define_insn ""
- [(set (cc0)
- (xor:SI (match_operand:SI 0 "register_operand" "r%")
- (match_operand:SI 1 "arith_operand" "rI")))]
- ""
- "xorcc %0,%1,%%g0")
-
- (define_insn ""
- [(set (cc0)
- (xor:SI (match_operand:SI 0 "register_operand" "r%")
- (match_operand:SI 1 "arith_operand" "rI")))
- (set (match_operand:SI 2 "register_operand" "=r")
- (xor:SI (match_dup 0) (match_dup 1)))]
- ""
- "xorcc %0,%1,%2")
-
- (define_insn ""
- [(set (cc0)
- (xor:SI (match_operand:SI 0 "register_operand" "r%")
- (not:SI (match_operand:SI 1 "arith_operand" "rI"))))]
- ""
- "xnorcc %0,%1,%%g0")
-
- (define_insn ""
- [(set (cc0)
- (xor:SI (match_operand:SI 0 "register_operand" "r%")
- (not:SI (match_operand:SI 1 "arith_operand" "rI"))))
- (set (match_operand:SI 2 "register_operand" "=r")
- (xor:SI (match_dup 0) (not:SI (match_dup 1))))]
- ""
- "xnorcc %0,%1,%2")
-
- (define_expand "tstdf"
- [(set (cc0)
- (match_operand:DF 0 "register_operand" "f"))]
- ""
- "emit_insn (gen_rtx (USE, VOIDmode, gen_rtx (REG, DFmode, 32)));")
-
- (define_insn ""
- [(set (cc0)
- (match_operand:DF 0 "register_operand" "f"))]
- ""
- "*
- {
- make_f0_contain_0 (2);
- cc_status.flags |= CC_IN_FCCR;
- return \"fcmped %0,%%f0\;nop\";
- }")
-
- (define_expand "tstsf"
- [(set (cc0)
- (match_operand:SF 0 "register_operand" "f"))]
- ""
- "emit_insn (gen_rtx (USE, VOIDmode, gen_rtx (REG, SFmode, 32)));")
-
- (define_insn ""
- [(set (cc0)
- (match_operand:SF 0 "register_operand" "f"))]
- ""
- "*
- {
- make_f0_contain_0 (1);
- cc_status.flags |= CC_IN_FCCR;
- return \"fcmpes %0,%%f0\;nop\";
- }")
-
- ;; There are no logical links for the condition codes. This
- ;; would not normally be a problem, but on the SPARC (and possibly
- ;; other RISC machines), when argument passing, the insn which sets
- ;; the condition code and the insn which uses the set condition code
- ;; may not be performed adjacently (due to optimizations performed
- ;; in combine.c). To make up for this, we emit insn patterns which
- ;; cannot possibly be rearranged on us.
- (define_expand "seq"
- [(set (match_operand:SI 0 "general_operand" "=r")
- (eq (cc0) (const_int 0)))]
- ""
- "gen_scc_insn (EQ, VOIDmode, operands); DONE;")
-
- (define_expand "sne"
- [(set (match_operand:SI 0 "general_operand" "=r")
- (ne (cc0) (const_int 0)))]
- ""
- "gen_scc_insn (NE, VOIDmode, operands); DONE;")
-
- (define_insn ""
- [(set (match_operand:SI 0 "general_operand" "=r,r")
- (match_operator 1 "eq_or_neq"
- [(compare (match_operand:SI 2 "general_operand" "r,rI")
- (match_operand:SI 3 "general_operand" "I,r"))
- (const_int 0)]))]
- ""
- "*
- {
- CC_STATUS_INIT;
- cc_status.value1 = operands[0];
- if (! REG_P (operands[2]))
- {
- output_asm_insn (\"cmp %3,%2\", operands);
- cc_status.flags |= CC_REVERSED;
- }
- else
- output_asm_insn (\"cmp %2,%3\", operands);
- return output_scc_insn (GET_CODE (operands[1]), operands[0]);
- }")
-
- (define_insn ""
- [(set (match_operand:SI 0 "general_operand" "=r")
- (match_operator 1 "eq_or_neq"
- [(match_operand:SI 2 "general_operand" "r")
- (const_int 0)]))]
- ""
- "*
- {
- CC_STATUS_INIT;
- cc_status.value1 = operands[0];
- output_asm_insn (\"tst %2\", operands);
- return output_scc_insn (GET_CODE (operands[1]), operands[0]);
- }")
-
- (define_insn ""
- [(set (match_operand:SI 0 "general_operand" "=r,r")
- (match_operator 1 "eq_or_neq"
- [(compare (match_operand:DF 2 "general_operand" "f,fG")
- (match_operand:DF 3 "general_operand" "G,f"))
- (const_int 0)]))]
- ""
- "*
- {
- CC_STATUS_INIT;
- cc_status.value1 = operands[0];
- cc_status.flags |= CC_IN_FCCR;
-
- if (GET_CODE (operands[2]) == CONST_DOUBLE
- || GET_CODE (operands[3]) == CONST_DOUBLE)
- make_f0_contain_0 (2);
-
- if (GET_CODE (operands[2]) == CONST_DOUBLE)
- output_asm_insn (\"fcmped %%f0,%3\;nop\", operands);
- else if (GET_CODE (operands[3]) == CONST_DOUBLE)
- output_asm_insn (\"fcmped %2,%%f0\;nop\", operands);
- else output_asm_insn (\"fcmped %2,%3\;nop\", operands);
- return output_scc_insn (GET_CODE (operands[1]), operands[0]);
- }")
-
- (define_insn ""
- [(set (match_operand:SI 0 "general_operand" "=r")
- (match_operator 1 "eq_or_neq"
- [(match_operand:DF 2 "general_operand" "f")
- (const_int 0)]))]
- ""
- "*
- {
- CC_STATUS_INIT;
- cc_status.value1 = operands[0];
- cc_status.flags |= CC_IN_FCCR;
-
- make_f0_contain_0 (2);
- output_asm_insn (\"fcmped %2,%%f0\;nop\", operands);
- return output_scc_insn (GET_CODE (operands[1]), operands[0]);
- }")
-
- (define_insn ""
- [(set (match_operand:SI 0 "general_operand" "=r,r")
- (match_operator 1 "eq_or_neq"
- [(compare (match_operand:SF 2 "general_operand" "f,fG")
- (match_operand:SF 3 "general_operand" "G,f"))
- (const_int 0)]))]
- ""
- "*
- {
- CC_STATUS_INIT;
- cc_status.value1 = operands[0];
- cc_status.flags |= CC_IN_FCCR;
-
- if (GET_CODE (operands[2]) == CONST_DOUBLE
- || GET_CODE (operands[3]) == CONST_DOUBLE)
- make_f0_contain_0 (1);
-
- if (GET_CODE (operands[2]) == CONST_DOUBLE)
- output_asm_insn (\"fcmpes %%f0,%3\;nop\", operands);
- else if (GET_CODE (operands[3]) == CONST_DOUBLE)
- output_asm_insn (\"fcmpes %2,%%f0\;nop\", operands);
- else output_asm_insn (\"fcmpes %2,%3\;nop\", operands);
- return output_scc_insn (GET_CODE (operands[1]), operands[0]);
- }")
-
- (define_insn ""
- [(set (match_operand:SI 0 "general_operand" "=r")
- (match_operator 1 "eq_or_neq"
- [(match_operand:SF 2 "general_operand" "f")
- (const_int 0)]))]
- ""
- "*
- {
- CC_STATUS_INIT;
- cc_status.value1 = operands[0];
- cc_status.flags |= CC_IN_FCCR;
-
- make_f0_contain_0 (1);
- output_asm_insn (\"fcmpes %2,%%f0\;nop\", operands);
- return output_scc_insn (GET_CODE (operands[1]), operands[0]);
- }")
-
- ;; These control RTL generation for conditional jump insns
- ;; and match them for register allocation.
-
- (define_insn "beq"
- [(set (pc)
- (if_then_else (eq (cc0)
- (const_int 0))
- (label_ref (match_operand 0 "" ""))
- (pc)))]
- ""
- "*
- {
- if (cc_prev_status.flags & CC_IN_FCCR)
- return \"fbe %l0\;nop\";
- return \"be %l0\;nop\";
- }")
-
- (define_insn "bne"
- [(set (pc)
- (if_then_else (ne (cc0)
- (const_int 0))
- (label_ref (match_operand 0 "" ""))
- (pc)))]
- ""
- "*
- {
- if (cc_prev_status.flags & CC_IN_FCCR)
- return \"fbne %l0\;nop\";
- return \"bne %l0\;nop\";
- }")
-
- (define_insn "bgt"
- [(set (pc)
- (if_then_else (gt (cc0)
- (const_int 0))
- (label_ref (match_operand 0 "" ""))
- (pc)))]
- ""
- "*
- {
- if (cc_prev_status.flags & CC_IN_FCCR)
- return \"fbg %l0\;nop\";
- return \"bg %l0\;nop\";
- }")
-
- (define_insn "bgtu"
- [(set (pc)
- (if_then_else (gtu (cc0)
- (const_int 0))
- (label_ref (match_operand 0 "" ""))
- (pc)))]
- ""
- "*
- {
- if (cc_prev_status.flags & CC_IN_FCCR)
- abort ();
- return \"bgu %l0\;nop\";
- }")
-
- (define_insn "blt"
- [(set (pc)
- (if_then_else (lt (cc0)
- (const_int 0))
- (label_ref (match_operand 0 "" ""))
- (pc)))]
- ""
- "*
- {
- if (cc_prev_status.flags & CC_IN_FCCR)
- return \"fbl %l0\;nop\";
- return \"bl %l0\;nop\";
- }")
-
- (define_insn "bltu"
- [(set (pc)
- (if_then_else (ltu (cc0)
- (const_int 0))
- (label_ref (match_operand 0 "" ""))
- (pc)))]
- ""
- "*
- {
- if (cc_prev_status.flags & CC_IN_FCCR)
- abort ();
- return \"blu %l0\;nop\";
- }")
-
- (define_insn "bge"
- [(set (pc)
- (if_then_else (ge (cc0)
- (const_int 0))
- (label_ref (match_operand 0 "" ""))
- (pc)))]
- ""
- "*
- {
- if (cc_prev_status.flags & CC_IN_FCCR)
- return \"fbge %l0\;nop\";
- return \"bge %l0\;nop\";
- }")
-
- (define_insn "bgeu"
- [(set (pc)
- (if_then_else (geu (cc0)
- (const_int 0))
- (label_ref (match_operand 0 "" ""))
- (pc)))]
- ""
- "*
- {
- if (cc_prev_status.flags & CC_IN_FCCR)
- abort ();
- return \"bgeu %l0\;nop\";
- }")
-
- (define_insn "ble"
- [(set (pc)
- (if_then_else (le (cc0)
- (const_int 0))
- (label_ref (match_operand 0 "" ""))
- (pc)))]
- ""
- "*
- {
- if (cc_prev_status.flags & CC_IN_FCCR)
- return \"fble %l0\;nop\";
- return \"ble %l0\;nop\";
- }")
-
- (define_insn "bleu"
- [(set (pc)
- (if_then_else (leu (cc0)
- (const_int 0))
- (label_ref (match_operand 0 "" ""))
- (pc)))]
- ""
- "*
- {
- if (cc_prev_status.flags & CC_IN_FCCR)
- abort ();
- return \"bleu %l0\;nop\";
- }")
-
- ;; This matches inverted jump insns for register allocation.
-
- (define_insn ""
- [(set (pc)
- (if_then_else (match_operator 0 "relop" [(cc0) (const_int 0)])
- (pc)
- (label_ref (match_operand 1 "" ""))))]
- ""
- "*
- {
- if (cc_prev_status.flags & CC_IN_FCCR)
- return \"fb%F0 %l1\;nop\";
- return \"b%N0 %l1\;nop\";
- }")
-
- ;; Move instructions
-
- (define_insn "swapsi"
- [(set (match_operand:SI 0 "general_operand" "r,rm")
- (match_operand:SI 1 "general_operand" "m,r"))
- (set (match_dup 1) (match_dup 0))]
- ""
- "*
- {
- if (GET_CODE (operands[1]) == MEM)
- {
- if (CONSTANT_ADDRESS_P (XEXP (operands[1], 0)))
- output_asm_insn (\"set %a1,%%g1\", operands),
- operands[1] = gen_rtx (MEM, SImode, gen_rtx (REG, SImode, 1)),
- cc_status.flags &= ~CC_KNOW_HI_G1;
- output_asm_insn (\"swap %1,%0\", operands);
- }
- if (REG_P (operands[0]))
- {
- if (REGNO (operands[0]) == REGNO (operands[1]))
- return \"\";
- return \"xor %0,%1,%0\;xor %1,%0,%1\;xor %0,%1,%0\";
- }
- if (CONSTANT_ADDRESS_P (XEXP (operands[0], 0)))
- {
- output_asm_insn (\"set %a0,%%g1\", operands);
- operands[0] = gen_rtx (MEM, SImode, gen_rtx (REG, SImode, 1));
- cc_status.flags &= ~CC_KNOW_HI_G1;
- }
- return \"swap %0,%1\";
- }")
-
- (define_insn "movsi"
- [(set (match_operand:SI 0 "general_operand" "=r,m")
- (match_operand:SI 1 "general_operand" "rmif,rJ"))]
- ""
- "*
- {
- if (GET_CODE (operands[0]) == MEM)
- {
- if (CONSTANT_ADDRESS_P (XEXP (operands[0], 0)))
- return output_store (operands);
- return \"st %r1,%0\";
- }
- if (GET_CODE (operands[1]) == MEM)
- {
- if (CONSTANT_ADDRESS_P (XEXP (operands[1], 0)))
- return output_load_fixed (operands);
- return \"ld %1,%0\";
- }
- if (FP_REG_P (operands[1]))
- return \"st %r1,[%%fp-4]\;ld [%%fp-4],%0\";
- if (REG_P (operands[1])
- || (GET_CODE (operands[1]) == CONST_INT
- && SMALL_INT (operands[1])))
- return \"mov %1,%0\";
- if (GET_CODE (operands[1]) == CONST_INT
- && (INTVAL (operands[1]) & 0x3ff) == 0)
- return \"sethi %%hi(%1),%0\";
- return \"sethi %%hi(%1),%0\;or %%lo(%1),%0,%0\";
- }")
-
- (define_insn "movhi"
- [(set (match_operand:HI 0 "general_operand" "=r,m")
- (match_operand:HI 1 "general_operand" "rmi,rJ"))]
- ""
- "*
- {
- if (GET_CODE (operands[0]) == MEM)
- {
- if (CONSTANT_ADDRESS_P (XEXP (operands[0], 0)))
- return output_store (operands);
- return \"sth %r1,%0\";
- }
- if (GET_CODE (operands[1]) == MEM)
- {
- if (CONSTANT_ADDRESS_P (XEXP (operands[1], 0)))
- return output_load_fixed (operands);
- return \"ldsh %1,%0\";
- }
- if (REG_P (operands[1])
- || (GET_CODE (operands[1]) == CONST_INT
- && SMALL_INT (operands[1])))
- return \"mov %1,%0\";
- return \"sethi %%hi(%1),%0\;or %%lo(%1),%0,%0\";
- }")
-
- (define_insn "movqi"
- [(set (match_operand:QI 0 "general_operand" "=r,m")
- (match_operand:QI 1 "general_operand" "rmi,rJ"))]
- ""
- "*
- {
- if (GET_CODE (operands[0]) == MEM)
- {
- if (CONSTANT_ADDRESS_P (XEXP (operands[0], 0)))
- return output_store (operands);
- return \"stb %r1,%0\";
- }
- if (GET_CODE (operands[1]) == MEM)
- {
- if (CONSTANT_ADDRESS_P (XEXP (operands[1], 0)))
- return output_load_fixed (operands);
- return \"ldsb %1,%0\";
- }
- if (REG_P (operands[1])
- || (GET_CODE (operands[1]) == CONST_INT
- && SMALL_INT (operands[1])))
- return \"mov %1,%0\";
- return \"sethi %%hi(%1),%0\;or %%lo(%1),%0,%0\";
- }")
-
- ;; The definition of this insn does not really explain what it does,
- ;; but it should suffice
- ;; that anything generated as this insn will be recognized as one
- ;; and that it won't successfully combine with anything.
- (define_expand "movstrsi"
- [(parallel [(set (mem:BLK (match_operand:BLK 0 "general_operand" ""))
- (mem:BLK (match_operand:BLK 1 "general_operand" "")))
- (use (match_operand:SI 2 "arith32_operand" ""))
- (use (match_operand:SI 3 "immediate_operand" ""))
- (clobber (match_dup 4))
- (clobber (match_dup 0))
- (clobber (match_dup 1))])]
- ""
- "
- {
- operands[0] = copy_to_mode_reg (SImode, XEXP (operands[0], 0));
- operands[1] = copy_to_mode_reg (SImode, XEXP (operands[1], 0));
- operands[4] = gen_reg_rtx (SImode);
- }")
-
- (define_insn ""
- [(set (mem:BLK (match_operand:SI 0 "register_operand" "r"))
- (mem:BLK (match_operand:SI 1 "register_operand" "r")))
- (use (match_operand:SI 2 "arith32_operand" "rn"))
- (use (match_operand:SI 3 "immediate_operand" "i"))
- (clobber (match_operand:SI 4 "register_operand" "=r"))
- (clobber (match_operand:SI 5 "register_operand" "=0"))
- (clobber (match_operand:SI 6 "register_operand" "=1"))]
- ""
- "* return output_block_move (operands);")
-
- ;; Floating point move insns
-
- ;; This pattern forces (set (reg:DF ...) (const_double ...))
- ;; to be reloaded by putting the constant into memory.
- ;; It must come before the more general movdf pattern.
- (define_insn ""
- [(set (match_operand:DF 0 "general_operand" "=r,f,o")
- (match_operand:DF 1 "" "mG,m,G"))]
- "GET_CODE (operands[1]) == CONST_DOUBLE"
- "*
- {
- if (FP_REG_P (operands[0]))
- return output_fp_move_double (operands);
- if (operands[1] == dconst0_rtx && GET_CODE (operands[0]) == REG)
- {
- operands[1] = gen_rtx (REG, SImode, REGNO (operands[0]) + 1);
- return \"mov %%g0,%0\;mov %%g0,%1\";
- }
- if (operands[1] == dconst0_rtx && GET_CODE (operands[0]) == MEM)
- {
- if (CONSTANT_ADDRESS_P (XEXP (operands[0], 0)))
- {
- if (! ((cc_prev_status.flags & CC_KNOW_HI_G1)
- && XEXP (operands[0], 0) == cc_prev_status.mdep))
- {
- cc_status.flags |= CC_KNOW_HI_G1;
- cc_status.mdep = XEXP (operands[0], 0);
- output_asm_insn (\"sethi %%hi(%m0),%%g1\", operands);
- }
- return \"st %%g0,[%%g1+%%lo(%%m0)]\;st %%g0,[%%g1+%%lo(%%m0)+4]\";
- }
- operands[1] = adj_offsettable_operand (operands[0], 4);
- return \"st %%g0,%0\;st %%g0,%1\";
- }
- return output_move_double (operands);
- }")
-
- (define_insn "movdf"
- [(set (match_operand:DF 0 "general_operand" "=rm,&r,?f,?rm")
- (match_operand:DF 1 "general_operand" "r,m,rfm,f"))]
- ""
- "*
- {
- if (GET_CODE (operands[0]) == MEM
- && CONSTANT_ADDRESS_P (XEXP (operands[0], 0)))
- return output_store (operands);
- if (GET_CODE (operands[1]) == MEM
- && CONSTANT_ADDRESS_P (XEXP (operands[1], 0)))
- return output_load_floating (operands);
-
- if (FP_REG_P (operands[0]) || FP_REG_P (operands[1]))
- return output_fp_move_double (operands);
- return output_move_double (operands);
- }")
-
- (define_insn "movdi"
- [(set (match_operand:DI 0 "general_operand" "=rm,&r,?f,?rm")
- (match_operand:DI 1 "general_operand" "r,mi,rfm,f"))]
- ""
- "*
- {
- if (GET_CODE (operands[0]) == MEM
- && CONSTANT_ADDRESS_P (XEXP (operands[0], 0)))
- return output_store (operands);
- if (GET_CODE (operands[1]) == MEM
- && CONSTANT_ADDRESS_P (XEXP (operands[1], 0)))
- return output_load_fixed (operands);
-
- if (FP_REG_P (operands[0]) || FP_REG_P (operands[1]))
- return output_fp_move_double (operands);
- return output_move_double (operands);
- }")
-
- (define_insn "movsf"
- [(set (match_operand:SF 0 "general_operand" "=rf,m")
- (match_operand:SF 1 "general_operand" "rfm,rf"))]
- ""
- "*
- {
- if (GET_CODE (operands[0]) == MEM
- && CONSTANT_ADDRESS_P (XEXP (operands[0], 0)))
- return output_store (operands);
- if (GET_CODE (operands[1]) == MEM
- && CONSTANT_ADDRESS_P (XEXP (operands[1], 0)))
- return output_load_floating (operands);
- if (FP_REG_P (operands[0]))
- {
- if (FP_REG_P (operands[1]))
- return \"fmovs %1,%0\";
- if (GET_CODE (operands[1]) == REG)
- return \"st %r1,[%%fp-4]\;ld [%%fp-4],%0\";
- if (CONSTANT_ADDRESS_P (XEXP (operands[1], 0)))
- {
- cc_status.flags |= CC_KNOW_HI_G1;
- cc_status.mdep = XEXP (operands[1], 0);
- return \"sethi %%hi(%m1),%%g1\;ld [%%g1+%%lo(%m1)],%0\";
- }
- return \"ld %1,%0\";
- }
- if (FP_REG_P (operands[1]))
- {
- if (GET_CODE (operands[0]) == REG)
- return \"st %r1,[%%fp-4]\;ld [%%fp-4],%0\";
- if (CONSTANT_ADDRESS_P (XEXP (operands[0], 0)))
- {
- if (! ((cc_prev_status.flags & CC_KNOW_HI_G1)
- && XEXP (operands[0], 0) == cc_prev_status.mdep))
- {
- cc_status.flags |= CC_KNOW_HI_G1;
- cc_status.mdep = XEXP (operands[0], 0);
- output_asm_insn (\"sethi %%hi(%m0),%%g1\", operands);
- }
- return \"st %r1,[%%g1+%%lo(%m0)]\";
- }
- return \"st %r1,%0\";
- }
- if (GET_CODE (operands[0]) == MEM)
- return \"st %r1,%0\";
- if (GET_CODE (operands[1]) == MEM)
- return \"ld %1,%0\";
- return \"mov %1,%0\";
- }")
-
- ;;- truncation instructions
- (define_insn "truncsiqi2"
- [(set (match_operand:QI 0 "general_operand" "=g")
- (truncate:QI
- (match_operand:SI 1 "register_operand" "r")))]
- ""
- "*
- {
- if (GET_CODE (operands[0]) == MEM)
- if (CONSTANT_ADDRESS_P (XEXP (operands[0], 0)))
- {
- if (! ((cc_prev_status.flags & CC_KNOW_HI_G1)
- && XEXP (operands[0], 0) == cc_prev_status.mdep))
- {
- cc_status.flags |= CC_KNOW_HI_G1;
- cc_status.mdep = XEXP (operands[0], 0);
- output_asm_insn (\"sethi %%hi(%m0),%%g1\", operands);
- }
- return \"stb %1,[%%g1+%%lo(%m0)]\";
- }
- else
- return \"stb %1,%0\";
- return \"mov %1,%0\";
- }")
-
- (define_insn "trunchiqi2"
- [(set (match_operand:QI 0 "general_operand" "=g")
- (truncate:QI
- (match_operand:HI 1 "register_operand" "r")))]
- ""
- "*
- {
- if (GET_CODE (operands[0]) == MEM)
- if (CONSTANT_ADDRESS_P (XEXP (operands[0], 0)))
- {
- if (! ((cc_prev_status.flags & CC_KNOW_HI_G1)
- && XEXP (operands[0], 0) == cc_prev_status.mdep))
- {
- cc_status.flags |= CC_KNOW_HI_G1;
- cc_status.mdep = XEXP (operands[0], 0);
- output_asm_insn (\"sethi %%hi(%m0),%%g1\", operands);
- }
- return \"stb %1,[%%g1+%%lo(%m0)]\";
- }
- else
- return \"stb %1,%0\";
- return \"mov %1,%0\";
- }")
-
- (define_insn "truncsihi2"
- [(set (match_operand:HI 0 "general_operand" "=g")
- (truncate:HI
- (match_operand:SI 1 "register_operand" "r")))]
- ""
- "*
- {
- if (GET_CODE (operands[0]) == MEM)
- if (CONSTANT_ADDRESS_P (XEXP (operands[0], 0)))
- {
- if (! ((cc_prev_status.flags & CC_KNOW_HI_G1)
- && XEXP (operands[0], 0) == cc_prev_status.mdep))
- {
- cc_status.flags |= CC_KNOW_HI_G1;
- cc_status.mdep = XEXP (operands[0], 0);
- output_asm_insn (\"sethi %%hi(%m0),%%g1\", operands);
- }
- return \"sth %1,[%%g1+%%lo(%m0)]\";
- }
- else
- return \"sth %1,%0\";
- return \"mov %1,%0\";
- }")
-
- ;;- zero extension instructions
-
- ;; Note that the one starting from HImode comes before those for QImode
- ;; so that a constant operand will match HImode, not QImode.
-
- (define_insn "zero_extendhisi2"
- [(set (match_operand:SI 0 "register_operand" "=r")
- (zero_extend:SI
- (match_operand:HI 1 "general_operand" "g")))]
- ""
- "*
- {
- if (REG_P (operands[1]))
- return \"sll %1,0x10,%0\;srl %0,0x10,%0\";
- if (GET_CODE (operands[1]) == CONST_INT)
- {
- operands[1] = gen_rtx (CONST_INT, VOIDmode,
- INTVAL (operands[1]) & 0xffff);
- output_asm_insn (\"set %1,%0\", operands);
- return \"\";
- }
- if (CONSTANT_ADDRESS_P (XEXP (operands[1], 0)))
- {
- cc_status.flags |= CC_KNOW_HI_G1;
- cc_status.mdep = XEXP (operands[1], 0);
- return \"sethi %%hi(%m1),%%g1\;lduh [%%g1+%%lo(%m1)],%0\";
- }
- else
- return \"lduh %1,%0\";
- }")
-
- (define_insn "zero_extendqihi2"
- [(set (match_operand:HI 0 "register_operand" "=r")
- (zero_extend:HI
- (match_operand:QI 1 "general_operand" "g")))]
- ""
- "*
- {
- if (REG_P (operands[1]))
- return \"and %1,0xff,%0\";
- if (GET_CODE (operands[1]) == CONST_INT)
- {
- operands[1] = gen_rtx (CONST_INT, VOIDmode,
- INTVAL (operands[1]) & 0xff);
- output_asm_insn (\"set %1,%0\", operands);
- return \"\";
- }
- if (CONSTANT_ADDRESS_P (XEXP (operands[1], 0)))
- {
- cc_status.flags |= CC_KNOW_HI_G1;
- cc_status.mdep = XEXP (operands[1], 0);
- return \"sethi %%hi(%m1),%%g1\;ldub [%%g1+%%lo(%m1)],%0\";
- }
- else
- return \"ldub %1,%0\";
- }")
-
- (define_insn "zero_extendqisi2"
- [(set (match_operand:SI 0 "register_operand" "=r")
- (zero_extend:SI
- (match_operand:QI 1 "general_operand" "g")))]
- ""
- "*
- {
- if (REG_P (operands[1]))
- return \"and %1,0xff,%0\";
- if (GET_CODE (operands[1]) == CONST_INT)
- {
- operands[1] = gen_rtx (CONST_INT, VOIDmode,
- INTVAL (operands[1]) & 0xff);
- output_asm_insn (\"set %1,%0\", operands);
- return \"\";
- }
- if (CONSTANT_ADDRESS_P (XEXP (operands[1], 0)))
- {
- cc_status.flags |= CC_KNOW_HI_G1;
- cc_status.mdep = XEXP (operands[1], 0);
- return \"sethi %%hi(%m1),%%g1\;ldub [%%g1+%%lo(%m1)],%0\";
- }
- else
- return \"ldub %1,%0\";
- }")
-
- ;;- sign extension instructions
- ;; Note that the one starting from HImode comes before those for QImode
- ;; so that a constant operand will match HImode, not QImode.
-
- (define_insn "extendhisi2"
- [(set (match_operand:SI 0 "register_operand" "=r")
- (sign_extend:SI
- (match_operand:HI 1 "general_operand" "g")))]
- ""
- "*
- {
- if (REG_P (operands[1]))
- return \"sll %1,0x10,%0\;sra %0,0x10,%0\";
- if (GET_CODE (operands[1]) == CONST_INT)
- {
- int i = (short)INTVAL (operands[1]);
- operands[1] = gen_rtx (CONST_INT, VOIDmode, i);
- output_asm_insn (\"set %1,%0\", operands);
- return \"\";
- }
- if (CONSTANT_ADDRESS_P (XEXP (operands[1], 0)))
- {
- cc_status.flags |= CC_KNOW_HI_G1;
- cc_status.mdep = XEXP (operands[1], 0);
- return \"sethi %%hi(%m1),%%g1\;ldsh [%%g1+%%lo(%m1)],%0\";
- }
- else
- return \"ldsh %1,%0\";
- }")
-
- (define_insn "extendqihi2"
- [(set (match_operand:HI 0 "register_operand" "=r")
- (sign_extend:HI
- (match_operand:QI 1 "general_operand" "g")))]
- ""
- "*
- {
- if (REG_P (operands[1]))
- return \"sll %1,0x18,%0\;sra %0,0x18,%0\";
- if (GET_CODE (operands[1]) == CONST_INT)
- {
- int i = (char)INTVAL (operands[1]);
- operands[1] = gen_rtx (CONST_INT, VOIDmode, i);
- output_asm_insn (\"set %1,%0\", operands);
- return \"\";
- }
- if (CONSTANT_ADDRESS_P (XEXP (operands[1], 0)))
- {
- cc_status.flags |= CC_KNOW_HI_G1;
- cc_status.mdep = XEXP (operands[1], 0);
- return \"sethi %%hi(%m1),%%g1\;ldsb [%%g1+%%lo(%m1)],%0\";
- }
- else
- return \"ldsb %1,%0\";
- }")
-
- (define_insn "extendqisi2"
- [(set (match_operand:SI 0 "register_operand" "=r")
- (sign_extend:SI
- (match_operand:QI 1 "general_operand" "g")))]
- ""
- "*
- {
- if (REG_P (operands[1]))
- return \"sll %1,0x18,%0\;sra %0,0x18,%0\";
- if (GET_CODE (operands[1]) == CONST_INT)
- {
- int i = (char)INTVAL (operands[1]);
- operands[1] = gen_rtx (CONST_INT, VOIDmode, i);
- output_asm_insn (\"set %1,%0\", operands);
- return \"\";
- }
- if (CONSTANT_ADDRESS_P (XEXP (operands[1], 0)))
- {
- cc_status.flags |= CC_KNOW_HI_G1;
- cc_status.mdep = XEXP (operands[1], 0);
- return \"sethi %%hi(%m1),%%g1\;ldsb [%%g1+%%lo(%m1)],%0\";
- }
- else
- return \"ldsb %1,%0\";
- }")
-
- ;; Signed bitfield extractions come out looking like
- ;; (shiftrt (shift (sign_extend <Y>) <C1>) <C2>)
- ;; which we expand poorly as four shift insns.
- ;; These patters yeild two shifts:
- ;; (shiftrt (shift <Y> <C3>) <C4>)
- (define_insn ""
- [(set (match_operand:SI 0 "register_operand" "=r")
- (ashiftrt:SI
- (sign_extend:SI
- (match_operand:QI 1 "register_operand" "r"))
- (match_operand:SI 2 "small_int" "n")))]
- ""
- "sll %1,0x18,%0\;sra %0,0x18+%2,%0")
-
- (define_insn ""
- [(set (match_operand:SI 0 "register_operand" "=r")
- (ashiftrt:SI
- (sign_extend:SI
- (subreg:QI (ashift:SI (match_operand:SI 1 "register_operand" "r")
- (match_operand:SI 2 "small_int" "n")) 0))
- (match_operand:SI 3 "small_int" "n")))]
- ""
- "sll %1,0x18+%2,%0\;sra %0,0x18+%3,%0")
-
- ;; Special patterns for optimizing bit-field instructions.
-
- ;; First two patterns are for bitfields that came from memory
- ;; testing only the high bit. They work with old combiner.
- ;; @@ Actually, the second pattern does not work if we
- ;; @@ need to set the N bit.
- (define_insn ""
- [(set (cc0)
- (zero_extend:SI (subreg:QI (lshiftrt:SI (match_operand:SI 0 "register_operand" "r")
- (const_int 7)) 0)))]
- "0"
- "andcc %0,128,%%g0")
-
- (define_insn ""
- [(set (cc0)
- (sign_extend:SI (subreg:QI (ashiftrt:SI (match_operand:SI 0 "register_operand" "r")
- (const_int 7)) 0)))]
- "0"
- "andcc %0,128,%%g0")
-
- ;; next two patterns are good for bitfields coming from memory
- ;; (via pseudo-register) or from a register, though this optimization
- ;; is only good for values contained wholly within the bottom 13 bits
- (define_insn ""
- [(set (cc0)
- (and:SI (lshiftrt:SI (match_operand:SI 0 "register_operand" "r")
- (match_operand:SI 1 "small_int" "n"))
- (match_operand:SI 2 "small_int" "n")))]
- "(unsigned)((INTVAL (operands[2]) << INTVAL (operands[1])) + 0x1000) < 0x2000"
- "andcc %0,%2<<%1,%%g0")
-
- (define_insn ""
- [(set (cc0)
- (and:SI (ashiftrt:SI (match_operand:SI 0 "register_operand" "r")
- (match_operand:SI 1 "small_int" "n"))
- (match_operand:SI 2 "small_int" "n")))]
- "(unsigned)((INTVAL (operands[2]) << INTVAL (operands[1])) + 0x1000) < 0x2000"
- "andcc %0,%2<<%1,%%g0")
-
- ;; Conversions between float and double.
-
- (define_insn "extendsfdf2"
- [(set (match_operand:DF 0 "register_operand" "=f")
- (float_extend:DF
- (match_operand:SF 1 "register_operand" "f")))]
- ""
- "fstod %1,%0")
-
- (define_insn "truncdfsf2"
- [(set (match_operand:SF 0 "register_operand" "=f")
- (float_truncate:SF
- (match_operand:DF 1 "register_operand" "f")))]
- ""
- "fdtos %1,%0")
-
- ;; Conversion between fixed point and floating point.
- ;; Note that among the fix-to-float insns
- ;; the ones that start with SImode come first.
- ;; That is so that an operand that is a CONST_INT
- ;; (and therefore lacks a specific machine mode).
- ;; will be recognized as SImode (which is always valid)
- ;; rather than as QImode or HImode.
-
- ;; This pattern forces (set (reg:SF ...) (float:SF (const_int ...)))
- ;; to be reloaded by putting the constant into memory.
- ;; It must come before the more general floatsisf2 pattern.
- (define_insn ""
- [(set (match_operand:SF 0 "general_operand" "=f")
- (float:SF (match_operand 1 "" "m")))]
- "GET_CODE (operands[1]) == CONST_INT"
- "*
- {
- if (CONSTANT_ADDRESS_P (XEXP (operands[1], 0)))
- {
- cc_status.flags |= CC_KNOW_HI_G1;
- cc_status.mdep = XEXP (operands[1], 0);
- return \"sethi %%hi(%m1),%%g1\;ld [%%g1+%%lo(%m1)],%0\;fitos %0,%0\";
- }
- return \"ld %1,%0\;fitos %0,%0\";
- }")
-
- (define_insn "floatsisf2"
- [(set (match_operand:SF 0 "general_operand" "=f")
- (float:SF (match_operand:SI 1 "general_operand" "rfm")))]
- ""
- "*
- {
- if (GET_CODE (operands[1]) == MEM)
- if (CONSTANT_ADDRESS_P (XEXP (operands[1], 0)))
- {
- cc_status.flags |= CC_KNOW_HI_G1;
- cc_status.mdep = XEXP (operands[1], 0);
- return \"sethi %%hi(%m1),%%g1\;ld [%%g1+%%lo(%m1)],%0\;fitos %0,%0\";
- }
- else
- return \"ld %1,%0\;fitos %0,%0\";
- else if (FP_REG_P (operands[1]))
- return \"fitos %1,%0\";
- return \"st %r1,[%%fp-4]\;ld [%%fp-4],%0\;fitos %0,%0\";
- }")
-
- ;; This pattern forces (set (reg:DF ...) (float:DF (const_int ...)))
- ;; to be reloaded by putting the constant into memory.
- ;; It must come before the more general floatsidf2 pattern.
- (define_insn ""
- [(set (match_operand:DF 0 "general_operand" "=f")
- (float:DF (match_operand 1 "" "m")))]
- "GET_CODE (operands[1]) == CONST_INT"
- "*
- {
- if (CONSTANT_ADDRESS_P (XEXP (operands[1], 0)))
- {
- cc_status.flags |= CC_KNOW_HI_G1;
- cc_status.mdep = XEXP (operands[1], 0);
- return \"sethi %%hi(%m1),%%g1\;ld [%%g1+%%lo(%m1)],%0\;fitod %0,%0\";
- }
- return \"ld %1,%0\;fitod %0,%0\";
- }")
-
- (define_insn "floatsidf2"
- [(set (match_operand:DF 0 "general_operand" "=f")
- (float:DF (match_operand:SI 1 "general_operand" "rfm")))]
- ""
- "*
- {
- if (GET_CODE (operands[1]) == MEM)
- if (CONSTANT_ADDRESS_P (XEXP (operands[1], 0)))
- {
- cc_status.flags |= CC_KNOW_HI_G1;
- cc_status.mdep = XEXP (operands[1], 0);
- return \"sethi %%hi(%m1),%%g1\;ld [%%g1+%%lo(%m1)],%0\;fitod %0,%0\";
- }
- else
- return \"ld %1,%0\;fitod %0,%0\";
- else if (FP_REG_P (operands[1]))
- return \"fitod %1,%0\";
- else
- return \"st %r1,[%%fp-4]\;ld [%%fp-4],%0\;fitod %0,%0\";
- }")
-
- ;; Convert a float to an actual integer.
- ;; Truncation is performed as part of the conversion.
- (define_insn "fix_truncsfsi2"
- [(set (match_operand:SI 0 "general_operand" "=rm")
- (fix:SI (fix:SF (match_operand:SF 1 "general_operand" "fm"))))]
- ""
- "*
- {
- cc_status.flags &= ~(CC_F1_IS_0);
- if (FP_REG_P (operands[1]))
- output_asm_insn (\"fstoi %1,%%f1\", operands);
- else if (CONSTANT_ADDRESS_P (XEXP (operands[1], 0)))
- {
- cc_status.flags |= CC_KNOW_HI_G1;
- cc_status.mdep = XEXP (operands[1], 0);
- output_asm_insn (\"sethi %%hi(%m1),%%g1\;ld [%%g1+%%lo(%m1)],%%f1\;fstoi %%f1,%%f1\", operands);
- }
- else
- output_asm_insn (\"ld %1,%%f1\;fstoi %%f1,%%f1\", operands);
- if (GET_CODE (operands[0]) == MEM)
- if (CONSTANT_ADDRESS_P (XEXP (operands[0], 0)))
- {
- if (! ((cc_prev_status.flags & CC_KNOW_HI_G1)
- && XEXP (operands[0], 0) == cc_prev_status.mdep))
- {
- cc_status.flags |= CC_KNOW_HI_G1;
- cc_status.mdep = XEXP (operands[0], 0);
- output_asm_insn (\"sethi %%hi(%m0),%%g1\", operands);
- }
- return \"st %%f1,[%%g1+%%lo(%m0)]\";
- }
- else
- return \"st %%f1,%0\";
- else
- return \"st %%f1,[%%fp-4]\;ld [%%fp-4],%0\";
- }")
-
- (define_insn "fix_truncdfsi2"
- [(set (match_operand:SI 0 "general_operand" "=rm")
- (fix:SI (fix:DF (match_operand:DF 1 "general_operand" "fm"))))]
- ""
- "*
- {
- cc_status.flags &= ~CC_F0_IS_0;
- if (FP_REG_P (operands[1]))
- output_asm_insn (\"fdtoi %1,%%f0\", operands);
- else
- {
- rtx xoperands[2];
- xoperands[0] = gen_rtx (REG, DFmode, 32);
- xoperands[1] = operands[1];
- output_asm_insn (output_fp_move_double (xoperands), xoperands);
- output_asm_insn (\"fdtoi %%f0,%%f0\", 0);
- }
- if (GET_CODE (operands[0]) == MEM)
- if (CONSTANT_ADDRESS_P (XEXP (operands[0], 0)))
- {
- if (! ((cc_prev_status.flags & CC_KNOW_HI_G1)
- && XEXP (operands[0], 0) == cc_prev_status.mdep))
- {
- cc_status.flags |= CC_KNOW_HI_G1;
- cc_status.mdep = XEXP (operands[0], 0);
- output_asm_insn (\"sethi %%hi(%m0),%%g1\", operands);
- }
- return \"st %%f0,[%%g1+%%lo(%m0)]\";
- }
- else
- return \"st %%f0,%0\";
- else
- return \"st %%f0,[%%fp-4]\;ld [%%fp-4],%0\";
- }")
-
- ;;- arithmetic instructions
-
- (define_insn "addsi3"
- [(set (match_operand:SI 0 "register_operand" "=r")
- (plus:SI (match_operand:SI 1 "arith32_operand" "%r")
- (match_operand:SI 2 "arith32_operand" "rn")))]
- ""
- "*
- {
- if (REG_P (operands[2]))
- return \"add %1,%2,%0\";
- if (SMALL_INT (operands[2]))
- return \"add %1,%2,%0\";
- cc_status.flags &= ~CC_KNOW_HI_G1;
- return \"sethi %%hi(%2),%%g1\;or %%lo(%2),%%g1,%%g1\;add %1,%%g1,%0\";
- }")
-
- (define_insn "subsi3"
- [(set (match_operand:SI 0 "register_operand" "=r")
- (minus:SI (match_operand:SI 1 "register_operand" "r")
- (match_operand:SI 2 "arith32_operand" "rn")))]
- ""
- "*
- {
- if (REG_P (operands[2]))
- return \"sub %1,%2,%0\";
- if (SMALL_INT (operands[2]))
- return \"sub %1,%2,%0\";
- cc_status.flags &= ~CC_KNOW_HI_G1;
- return \"sethi %%hi(%2),%%g1\;or %%lo(%2),%%g1,%%g1\;sub %1,%%g1,%0\";
- }")
-
- (define_expand "mulsi3"
- [(set (match_operand:SI 0 "register_operand" "r")
- (mult:SI (match_operand:SI 1 "general_operand" "")
- (match_operand:SI 2 "general_operand" "")))]
- ""
- "
- {
- rtx src;
-
- if (GET_CODE (operands[1]) == CONST_INT)
- if (GET_CODE (operands[2]) == CONST_INT)
- {
- emit_move_insn (operands[0],
- gen_rtx (CONST_INT, VOIDmode,
- INTVAL (operands[1]) * INTVAL (operands[2])));
- DONE;
- }
- else
- src = gen_rtx (MULT, SImode,
- copy_to_mode_reg (SImode, operands[2]),
- operands[1]);
- else if (GET_CODE (operands[2]) == CONST_INT)
- src = gen_rtx (MULT, SImode,
- copy_to_mode_reg (SImode, operands[1]),
- operands[2]);
- else src = 0;
-
- if (src)
- emit_insn (gen_rtx (SET, VOIDmode, operands[0], src));
- else
- emit_insn (gen_rtx (PARALLEL, VOIDmode, gen_rtvec (5,
- gen_rtx (SET, VOIDmode, operands[0],
- gen_rtx (MULT, SImode, operands[1], operands[2])),
- gen_rtx (CLOBBER, VOIDmode, gen_rtx (REG, SImode, 8)),
- gen_rtx (CLOBBER, VOIDmode, gen_rtx (REG, SImode, 9)),
- gen_rtx (CLOBBER, VOIDmode, gen_rtx (REG, SImode, 12)),
- gen_rtx (CLOBBER, VOIDmode, gen_rtx (REG, SImode, 13)))));
- DONE;
- }")
-
- (define_expand "umulsi3"
- [(set (match_operand:SI 0 "register_operand" "r")
- (umult:SI (match_operand:SI 1 "general_operand" "")
- (match_operand:SI 2 "general_operand" "")))]
- ""
- "
- {
- rtx src;
-
- if (GET_CODE (operands[1]) == CONST_INT)
- if (GET_CODE (operands[2]) == CONST_INT)
- {
- emit_move_insn (operands[0],
- gen_rtx (CONST_INT, VOIDmode,
- (unsigned)INTVAL (operands[1]) * (unsigned)INTVAL (operands[2])));
- DONE;
- }
- else
- src = gen_rtx (UMULT, SImode,
- copy_to_mode_reg (SImode, operands[2]),
- operands[1]);
- else if (GET_CODE (operands[2]) == CONST_INT)
- src = gen_rtx (UMULT, SImode,
- copy_to_mode_reg (SImode, operands[1]),
- operands[2]);
- else src = 0;
-
- if (src)
- emit_insn (gen_rtx (SET, VOIDmode, operands[0], src));
- else
- emit_insn (gen_rtx (PARALLEL, VOIDmode, gen_rtvec (5,
- gen_rtx (SET, VOIDmode, operands[0],
- gen_rtx (UMULT, SImode, operands[1], operands[2])),
- gen_rtx (CLOBBER, VOIDmode, gen_rtx (REG, SImode, 8)),
- gen_rtx (CLOBBER, VOIDmode, gen_rtx (REG, SImode, 9)),
- gen_rtx (CLOBBER, VOIDmode, gen_rtx (REG, SImode, 12)),
- gen_rtx (CLOBBER, VOIDmode, gen_rtx (REG, SImode, 13)))));
- DONE;
- }")
-
- (define_insn ""
- [(set (match_operand:SI 0 "register_operand" "=r")
- (mult:SI (match_operand:SI 1 "register_operand" "r")
- (match_operand:SI 2 "immediate_operand" "n")))]
- ""
- "* return output_mul_by_constant (insn, operands, 0);")
-
- (define_insn ""
- [(set (match_operand:SI 0 "register_operand" "=r")
- (umult:SI (match_operand:SI 1 "register_operand" "r")
- (match_operand:SI 2 "immediate_operand" "n")))]
- ""
- "* return output_mul_by_constant (insn, operands, 1);")
-
- (define_insn ""
- [(set (match_operand:SI 0 "register_operand" "=r")
- (mult:SI (match_operand:SI 1 "general_operand" "%r")
- (match_operand:SI 2 "general_operand" "r")))
- (clobber (reg:SI 8))
- (clobber (reg:SI 9))
- (clobber (reg:SI 12))
- (clobber (reg:SI 13))]
- ""
- "* return output_mul_insn (operands, 0);")
-
- (define_insn ""
- [(set (match_operand:SI 0 "register_operand" "=r")
- (umult:SI (match_operand:SI 1 "general_operand" "%r")
- (match_operand:SI 2 "general_operand" "r")))
- (clobber (reg:SI 8))
- (clobber (reg:SI 9))
- (clobber (reg:SI 12))
- (clobber (reg:SI 13))]
- ""
- "* return output_mul_insn (operands, 1);")
-
- ;; this pattern is needed because cse may eliminate the multiplication,
- ;; but leave the clobbers behind.
-
- (define_insn ""
- [(set (match_operand:SI 0 "register_operand" "=r")
- (match_operand:SI 1 "general_operand" "g"))
- (clobber (reg:SI 8))
- (clobber (reg:SI 9))
- (clobber (reg:SI 12))
- (clobber (reg:SI 13))]
- ""
- "*
- {
- if (GET_CODE (operands[1]) == CONST_INT)
- {
- if (SMALL_INT (operands[1]))
- return \"mov %1,%0\";
- return \"sethi %%hi(%1),%0\;or %%lo(%1),%0,%0\";
- }
- if (GET_CODE (operands[1]) == MEM)
- return \"ld %1,%0\";
- return \"mov %1,%0\";
- }")
-
- ;; In case constant factor turns out to be -1.
- (define_insn ""
- [(set (match_operand:SI 0 "register_operand" "=r")
- (neg:SI (match_operand:SI 1 "general_operand" "rI")))
- (clobber (reg:SI 8))
- (clobber (reg:SI 9))
- (clobber (reg:SI 12))
- (clobber (reg:SI 13))]
- ""
- "sub %%g0,%1,%0")
-
- ;;- and instructions (with compliment also)
- (define_insn "andsi3"
- [(set (match_operand:SI 0 "register_operand" "=r")
- (and:SI (match_operand:SI 1 "arith32_operand" "%r")
- (match_operand:SI 2 "arith32_operand" "rn")))]
- ""
- "*
- {
- if (REG_P (operands[2]) || SMALL_INT (operands[2]))
- return \"and %1,%2,%0\";
- cc_status.flags &= ~CC_KNOW_HI_G1;
- return \"sethi %%hi(%2),%%g1\;or %%lo(%2),%%g1,%%g1\;and %1,%%g1,%0\";
- }")
-
- (define_insn "andcbsi3"
- [(set (match_operand:SI 0 "register_operand" "=r")
- (and:SI (match_operand:SI 1 "register_operand" "r")
- (not:SI (match_operand:SI 2 "register_operand" "r"))))]
- ""
- "andn %1,%2,%0")
-
- (define_insn "iorsi3"
- [(set (match_operand:SI 0 "register_operand" "=r")
- (ior:SI (match_operand:SI 1 "arith32_operand" "%r")
- (match_operand:SI 2 "arith32_operand" "rn")))]
- ""
- "*
- {
- if (REG_P (operands[2]) || SMALL_INT (operands[2]))
- return \"or %1,%2,%0\";
- cc_status.flags &= ~CC_KNOW_HI_G1;
- return \"sethi %%hi(%2),%%g1\;or %%lo(%2),%%g1,%%g1\;or %1,%%g1,%0\";
- }")
-
- (define_insn "iorcbsi3"
- [(set (match_operand:SI 0 "register_operand" "=r")
- (ior:SI (match_operand:SI 1 "register_operand" "r")
- (not:SI (match_operand:SI 2 "register_operand" "r"))))]
- ""
- "orn %1,%2,%0")
-
- (define_insn "xorsi3"
- [(set (match_operand:SI 0 "register_operand" "=r")
- (xor:SI (match_operand:SI 1 "arith32_operand" "%r")
- (match_operand:SI 2 "arith32_operand" "rn")))]
- ""
- "*
- {
- if (REG_P (operands[2]) || SMALL_INT (operands[2]))
- return \"xor %1,%2,%0\";
- cc_status.flags &= ~CC_KNOW_HI_G1;
- return \"sethi %%hi(%2),%%g1\;or %%lo(%2),%%g1,%%g1\;xor %1,%%g1,%0\";
- }")
-
- (define_insn "xorcbsi3"
- [(set (match_operand:SI 0 "register_operand" "=r")
- (xor:SI (match_operand:SI 1 "register_operand" "r")
- (not:SI (match_operand:SI 2 "register_operand" "r"))))]
- ""
- "xnor %1,%2,%0")
-
- ;; We cannot use the "neg" pseudo insn because the Sun assembler
- ;; does not know how to make it work for constants.
- (define_insn "negsi2"
- [(set (match_operand:SI 0 "general_operand" "=r")
- (neg:SI (match_operand:SI 1 "arith_operand" "rI")))]
- ""
- "sub %%g0,%1,%0")
-
- ;; We cannot use the "not" pseudo insn because the Sun assembler
- ;; does not know how to make it work for constants.
- (define_insn "one_cmplsi2"
- [(set (match_operand:SI 0 "general_operand" "=r")
- (not:SI (match_operand:SI 1 "arith_operand" "rI")))]
- ""
- "xnor %%g0,%1,%0")
-
- ;; Floating point arithmetic instructions.
-
- (define_insn "adddf3"
- [(set (match_operand:DF 0 "register_operand" "=f")
- (plus:DF (match_operand:DF 1 "register_operand" "f")
- (match_operand:DF 2 "register_operand" "f")))]
- ""
- "faddd %1,%2,%0")
-
- (define_insn "addsf3"
- [(set (match_operand:SF 0 "register_operand" "=f")
- (plus:SF (match_operand:SF 1 "register_operand" "f")
- (match_operand:SF 2 "register_operand" "f")))]
- ""
- "fadds %1,%2,%0")
-
- (define_insn "subdf3"
- [(set (match_operand:DF 0 "register_operand" "=f")
- (minus:DF (match_operand:DF 1 "register_operand" "f")
- (match_operand:DF 2 "register_operand" "f")))]
- ""
- "fsubd %1,%2,%0")
-
- (define_insn "subsf3"
- [(set (match_operand:SF 0 "register_operand" "=f")
- (minus:SF (match_operand:SF 1 "register_operand" "f")
- (match_operand:SF 2 "register_operand" "f")))]
- ""
- "fsubs %1,%2,%0")
-
- (define_insn "muldf3"
- [(set (match_operand:DF 0 "register_operand" "=f")
- (mult:DF (match_operand:DF 1 "register_operand" "f")
- (match_operand:DF 2 "register_operand" "f")))]
- ""
- "fmuld %1,%2,%0")
-
- (define_insn "mulsf3"
- [(set (match_operand:SF 0 "register_operand" "=f")
- (mult:SF (match_operand:SF 1 "register_operand" "f")
- (match_operand:SF 2 "register_operand" "f")))]
- ""
- "fmuls %1,%2,%0")
-
- (define_insn "divdf3"
- [(set (match_operand:DF 0 "register_operand" "=f")
- (div:DF (match_operand:DF 1 "register_operand" "f")
- (match_operand:DF 2 "register_operand" "f")))]
- ""
- "fdivd %1,%2,%0")
-
- (define_insn "divsf3"
- [(set (match_operand:SF 0 "register_operand" "=f")
- (div:SF (match_operand:SF 1 "register_operand" "f")
- (match_operand:SF 2 "register_operand" "f")))]
- ""
- "fdivs %1,%2,%0")
-
- (define_insn "negdf2"
- [(set (match_operand:DF 0 "register_operand" "=f")
- (neg:DF (match_operand:DF 1 "register_operand" "f")))]
- ""
- "*
- {
- output_asm_insn (\"fnegs %1,%0\", operands);
- if (REGNO (operands[0]) != REGNO (operands[1]))
- {
- operands[0] = gen_rtx (REG, VOIDmode, REGNO (operands[0]) + 1);
- operands[1] = gen_rtx (REG, VOIDmode, REGNO (operands[1]) + 1);
- output_asm_insn (\"fmovs %1,%0\", operands);
- }
- return \"\";
- }")
-
- (define_insn "negsf2"
- [(set (match_operand:SF 0 "register_operand" "=f")
- (neg:SF (match_operand:SF 1 "register_operand" "f")))]
- ""
- "fnegs %1,%0")
-
- (define_insn "absdf2"
- [(set (match_operand:DF 0 "register_operand" "=f")
- (abs:DF (match_operand:DF 1 "register_operand" "f")))]
- ""
- "*
- {
- output_asm_insn (\"fabss %1,%0\", operands);
- if (REGNO (operands[0]) != REGNO (operands[1]))
- {
- operands[0] = gen_rtx (REG, VOIDmode, REGNO (operands[0]) + 1);
- operands[1] = gen_rtx (REG, VOIDmode, REGNO (operands[1]) + 1);
- output_asm_insn (\"fmovs %1,%0\", operands);
- }
- return \"\";
- }")
-
- (define_insn "abssf2"
- [(set (match_operand:SF 0 "register_operand" "=f")
- (abs:SF (match_operand:SF 1 "register_operand" "f")))]
- ""
- "fabss %1,%0")
-
- ;; Shift instructions
-
- ;; Optimized special case of shifting.
- ;; Must precede the general case.
-
- (define_insn ""
- [(set (match_operand:SI 0 "register_operand" "=r")
- (ashiftrt:SI (match_operand:SI 1 "memory_operand" "m")
- (const_int 24)))]
- ""
- "*
- {
- if (CONSTANT_ADDRESS_P (XEXP (operands[1], 0)))
- {
- cc_status.flags |= CC_KNOW_HI_G1;
- cc_status.mdep = XEXP (operands[1], 0);
- return \"sethi %%hi(%m1),%%g1\;ldsb [%%g1+%%lo(%m1)],%0\";
- }
- return \"ldsb %1,%0\";
- }")
-
- (define_insn ""
- [(set (match_operand:SI 0 "register_operand" "=r")
- (lshiftrt:SI (match_operand:SI 1 "memory_operand" "m")
- (const_int 24)))]
- ""
- "*
- {
- if (CONSTANT_ADDRESS_P (XEXP (operands[1], 0)))
- {
- cc_status.flags |= CC_KNOW_HI_G1;
- cc_status.mdep = XEXP (operands[1], 0);
- return \"sethi %%hi(%m1),%%g1\;ldub [%%g1+%%lo(%m1)],%0\";
- }
- return \"ldub %1,%0\";
- }")
-
- ;;- arithmetic shift instructions
- (define_insn "ashlsi3"
- [(set (match_operand:SI 0 "register_operand" "=r")
- (ashift:SI (match_operand:SI 1 "register_operand" "r")
- (match_operand:SI 2 "arith32_operand" "rn")))]
- ""
- "*
- {
- if (GET_CODE (operands[2]) == CONST_INT
- && INTVAL (operands[2]) >= 32)
- operands[2] = gen_rtx (CONST_INT, VOIDmode, INTVAL (operands[2]) & 31);
- return \"sll %1,%2,%0\";
- }")
-
- (define_insn "ashrsi3"
- [(set (match_operand:SI 0 "register_operand" "=r")
- (ashiftrt:SI (match_operand:SI 1 "register_operand" "r")
- (match_operand:SI 2 "arith32_operand" "rn")))]
- ""
- "*
- {
- if (GET_CODE (operands[2]) == CONST_INT
- && INTVAL (operands[2]) >= 32)
- operands[2] = gen_rtx (CONST_INT, VOIDmode, INTVAL (operands[2]) & 31);
- return \"sra %1,%2,%0\";
- }")
-
- (define_insn "lshrsi3"
- [(set (match_operand:SI 0 "register_operand" "=r")
- (lshiftrt:SI (match_operand:SI 1 "register_operand" "r")
- (match_operand:SI 2 "arith32_operand" "rn")))]
- ""
- "*
- {
- if (GET_CODE (operands[2]) == CONST_INT
- && INTVAL (operands[2]) >= 32)
- operands[2] = gen_rtx (CONST_INT, VOIDmode, INTVAL (operands[2]) & 31);
- return \"srl %1,%2,%0\";
- }")
-
- ;; Unconditional and other jump instructions
- ;; Note that for the Sparc, by setting the annul bit on an unconditional
- ;; branch, the following insn is never executed. This saves us a nop,
- ;; but requires a debugger which can handle annuled branches.
- (define_insn "jump"
- [(set (pc) (label_ref (match_operand 0 "" "")))]
- ""
- "*
- {
- extern int optimize;
- extern int flag_no_peephole;
-
- if (optimize && !flag_no_peephole)
- return \"b,a %l0\";
- return \"b %l0\;nop\";
- }")
-
- ;; Peephole optimizers recognize a few simple cases when delay insns are safe.
- ;; Complex ones are up front. Simple ones after.
-
- ;; This pattern is just like the following one, but matches when there
- ;; is a jump insn after the "delay" insn. Without this pattern, we
- ;; de-optimize that case.
-
- (define_peephole
- [(set (pc) (match_operand 0 "" ""))
- (set (match_operand:SI 1 "" "")
- (match_operand:SI 2 "" ""))
- (set (pc) (label_ref (match_operand 3 "" "")))]
- "TARGET_EAGER && operands_satisfy_eager_branch_peephole (operands, 2)"
- "*
- {
- rtx xoperands[2];
- rtx pat = gen_rtx (SET, VOIDmode, operands[1], operands[2]);
- rtx delay_insn = gen_rtx (INSN, VOIDmode, 0, 0, 0, pat, -1, 0, 0);
- rtx label, head;
- int parity;
-
- if (GET_CODE (XEXP (operands[0], 1)) == PC)
- {
- parity = 1;
- label = XEXP (XEXP (operands[0], 2), 0);
- }
- else
- {
- parity = 0;
- label = XEXP (XEXP (operands[0], 1), 0);
- }
- xoperands[0] = XEXP (operands[0], 0);
- xoperands[1] = label;
-
- head = next_real_insn_no_labels (label);
-
- /* If at the target of this label we set the condition codes,
- and the condition codes are already set for that value,
- advance, if we can, to the following insn. */
- if (GET_CODE (PATTERN (head)) == SET
- && GET_CODE (SET_DEST (PATTERN (head))) == CC0
- && cc_status.value2 == SET_SRC (PATTERN (head)))
- {
- rtx nhead = next_real_insn_no_labels (head);
- if (nhead
- && GET_CODE (nhead) == INSN
- && GET_CODE (PATTERN (nhead)) == SET
- && strict_single_insn_op_p (SET_SRC (PATTERN (nhead)),
- GET_MODE (SET_DEST (PATTERN (nhead))))
- && strict_single_insn_op_p (SET_DEST (PATTERN (nhead)), VOIDmode)
- /* Moves between FP regs and CPU regs are two insns. */
- && !(GET_CODE (SET_SRC (PATTERN (nhead))) == REG
- && GET_CODE (SET_DEST (PATTERN (nhead))) == REG
- && (FP_REG_P (SET_SRC (PATTERN (nhead)))
- != FP_REG_P (SET_DEST (PATTERN (nhead))))))
- {
- head = nhead;
- }
- }
-
- /* Output the branch instruction first. */
- if (cc_prev_status.flags & CC_IN_FCCR)
- {
- if (parity)
- output_asm_insn (\"fb%F0,a %l1 ! eager\", xoperands);
- else
- output_asm_insn (\"fb%C0,a %l1 ! eager\", xoperands);
- }
- else
- {
- if (parity)
- output_asm_insn (\"b%N0,a %l1 ! eager\", xoperands);
- else
- output_asm_insn (\"b%C0,a %l1 ! eager\", xoperands);
- }
-
- /* Now steal the first insn of the target. */
- output_eager_then_insn (head, operands);
-
- XVECEXP (PATTERN (insn), 0, 0) = XVECEXP (PATTERN (insn), 0, 1);
- XVECEXP (PATTERN (insn), 0, 1) = XVECEXP (PATTERN (insn), 0, 2);
-
- return output_delayed_branch (\"b %l3 ! eager2\", operands, insn);
- }")
-
- ;; Here is a peephole which recognizes where delay insns can be made safe:
- ;; (1) following a conditional branch, if the target of the conditional branch
- ;; has only one user (this insn), move the first insn into our delay slot
- ;; and emit an annulled branch.
- ;; (2) following a conditional branch, if we can execute the fall-through
- ;; insn without risking any evil effects, then do that instead of a nop.
-
- (define_peephole
- [(set (pc) (match_operand 0 "" ""))
- (set (match_operand:SI 1 "" "")
- (match_operand:SI 2 "" ""))]
- "TARGET_EAGER && operands_satisfy_eager_branch_peephole (operands, 1)"
- "*
- {
- rtx xoperands[2];
- rtx pat = gen_rtx (SET, VOIDmode, operands[1], operands[2]);
- rtx delay_insn = gen_rtx (INSN, VOIDmode, 0, 0, 0, pat, -1, 0, 0);
- rtx label, head, prev = (rtx)1;
- int parity;
-
- if (GET_CODE (XEXP (operands[0], 1)) == PC)
- {
- parity = 1;
- label = XEXP (XEXP (operands[0], 2), 0);
- }
- else
- {
- parity = 0;
- label = XEXP (XEXP (operands[0], 1), 0);
- }
- xoperands[0] = XEXP (operands[0], 0);
- xoperands[1] = label;
-
- if (LABEL_NUSES (label) == 1)
- {
- prev = PREV_INSN (label);
- while (prev
- && (GET_CODE (prev) == NOTE
- || (GET_CODE (prev) == INSN
- && (GET_CODE (PATTERN (prev)) == CLOBBER
- || GET_CODE (PATTERN (prev)) == USE))))
- prev = PREV_INSN (prev);
- if (prev == 0
- || GET_CODE (prev) == BARRIER)
- {
- prev = 0;
- head = next_real_insn_no_labels (label);
- }
- }
- if (prev == 0
- && head != 0
- && ! INSN_DELETED_P (head)
- && GET_CODE (head) == INSN
- && GET_CODE (PATTERN (head)) == SET
- && strict_single_insn_op_p (SET_SRC (PATTERN (head)),
- GET_MODE (SET_DEST (PATTERN (head))))
- && strict_single_insn_op_p (SET_DEST (PATTERN (head)), VOIDmode)
- /* Moves between FP regs and CPU regs are two insns. */
- && !(GET_CODE (SET_SRC (PATTERN (head))) == REG
- && GET_CODE (SET_DEST (PATTERN (head))) == REG
- && (FP_REG_P (SET_SRC (PATTERN (head)))
- != FP_REG_P (SET_DEST (PATTERN (head))))))
- {
- /* If at the target of this label we set the condition codes,
- and the condition codes are already set for that value,
- advance, if we can, to the following insn. */
- if (GET_CODE (PATTERN (head)) == SET
- && GET_CODE (SET_DEST (PATTERN (head))) == CC0
- && cc_status.value2 == SET_SRC (PATTERN (head)))
- {
- rtx nhead = next_real_insn_no_labels (head);
- if (nhead
- && GET_CODE (nhead) == INSN
- && GET_CODE (PATTERN (nhead)) == SET
- && strict_single_insn_op_p (SET_SRC (PATTERN (nhead)),
- GET_MODE (SET_DEST (nhead)))
- && strict_single_insn_op_p (SET_DEST (PATTERN (nhead)), VOIDmode)
- /* Moves between FP regs and CPU regs are two insns. */
- && !(GET_CODE (SET_SRC (PATTERN (nhead))) == REG
- && GET_CODE (SET_DEST (PATTERN (nhead))) == REG
- && (FP_REG_P (SET_SRC (PATTERN (nhead)))
- != FP_REG_P (SET_DEST (PATTERN (nhead))))))
- head = nhead;
- }
-
- /* Output the branch instruction first. */
- if (cc_prev_status.flags & CC_IN_FCCR)
- {
- if (parity)
- output_asm_insn (\"fb%F0,a %l1 ! eager\", xoperands);
- else
- output_asm_insn (\"fb%C0,a %l1 ! eager\", xoperands);
- }
- else
- {
- if (parity)
- output_asm_insn (\"b%N0,a %l1 ! eager\", xoperands);
- else
- output_asm_insn (\"b%C0,a %l1 ! eager\", xoperands);
- }
-
- /* Now steal the first insn of the target. */
- output_eager_then_insn (head, operands);
- }
- else
- {
- /* Output the branch instruction first. */
- if (cc_prev_status.flags & CC_IN_FCCR)
- {
- if (parity)
- output_asm_insn (\"fb%F0 %l1 ! eager\", xoperands);
- else
- output_asm_insn (\"fb%C0 %l1 ! eager\", xoperands);
- }
- else
- {
- if (parity)
- output_asm_insn (\"b%N0 %l1 ! eager\", xoperands);
- else
- output_asm_insn (\"b%C0 %l1 ! eager\", xoperands);
- }
- }
- return output_delay_insn (delay_insn);
- }")
-
- ;; Here are two simple peepholes which fill the delay slot of
- ;; an unconditional branch.
-
- (define_peephole
- [(set (match_operand:SI 0 "register_operand" "=r")
- (match_operand:SI 1 "single_insn_src_p" "p"))
- (set (pc) (label_ref (match_operand 2 "" "")))]
- "single_insn_extra_test (operands[0], operands[1])"
- "* return output_delayed_branch (\"b %l2\", operands, insn);")
-
- (define_peephole
- [(set (match_operand:SI 0 "memory_operand" "=m")
- (match_operand:SI 1 "reg_or_0_operand" "rJ"))
- (set (pc) (label_ref (match_operand 2 "" "")))]
- ""
- "* return output_delayed_branch (\"b %l2\", operands, insn);")
-
- (define_insn "tablejump"
- [(set (pc) (match_operand:SI 0 "register_operand" "r"))
- (use (label_ref (match_operand 1 "" "")))]
- ""
- "jmp %0\;nop")
-
- (define_peephole
- [(set (match_operand:SI 0 "register_operand" "=r")
- (match_operand:SI 1 "single_insn_src_p" "p"))
- (parallel [(set (pc) (match_operand:SI 2 "register_operand" "r"))
- (use (label_ref (match_operand 3 "" "")))])]
- "REGNO (operands[0]) != REGNO (operands[2])
- && single_insn_extra_test (operands[0], operands[1])"
- "* return output_delayed_branch (\"jmp %2\", operands, insn);")
-
- (define_peephole
- [(set (match_operand:SI 0 "memory_operand" "=m")
- (match_operand:SI 1 "reg_or_0_operand" "rJ"))
- (parallel [(set (pc) (match_operand:SI 2 "register_operand" "r"))
- (use (label_ref (match_operand 3 "" "")))])]
- ""
- "* return output_delayed_branch (\"jmp %2\", operands, insn);")
-
- ;;- jump to subroutine
- (define_expand "call"
- [(call (match_operand:SI 0 "memory_operand" "m")
- (match_operand 1 "" "i"))]
- ;; operand[2] is next_arg_register
- ""
- "
- {
- rtx fn_rtx, nregs_rtx;
-
- if (TARGET_SUN_ASM && GET_CODE (XEXP (operands[0], 0)) == REG)
- {
- rtx g1_rtx = gen_rtx (REG, SImode, 1);
- emit_move_insn (g1_rtx, XEXP (operands[0], 0));
- fn_rtx = gen_rtx (MEM, SImode, g1_rtx);
- }
- else
- fn_rtx = operands[0];
-
- /* Count the number of parameter registers being used by this call.
- if that argument is NULL, it means we are using them all, which
- means 6 on the sparc. */
- #if 0
- if (operands[2])
- nregs_rtx = gen_rtx (CONST_INT, VOIDmode, REGNO (operands[2]) - 8);
- else
- nregs_rtx = gen_rtx (CONST_INT, VOIDmode, 6);
- #else
- nregs_rtx = const0_rtx;
- #endif
-
- emit_call_insn (gen_rtx (PARALLEL, VOIDmode, gen_rtvec (2,
- gen_rtx (CALL, VOIDmode, fn_rtx, nregs_rtx),
- gen_rtx (USE, VOIDmode, gen_rtx (REG, SImode, 31)))));
- DONE;
- }")
-
- (define_insn ""
- [(call (match_operand:SI 0 "memory_operand" "m")
- (match_operand 1 "" "i"))
- (use (reg:SI 31))]
- ;;- Don't use operand 1 for most machines.
- ""
- "*
- {
- /* strip the MEM. */
- operands[0] = XEXP (operands[0], 0);
- CC_STATUS_INIT;
- if (TARGET_SUN_ASM && GET_CODE (operands[0]) == REG)
- return \"jmpl %a0,%%o7\;nop\";
- return \"call %a0,%1\;nop\";
- }")
-
- (define_peephole
- [(set (match_operand:SI 0 "register_operand" "=r")
- (match_operand:SI 1 "single_insn_src_p" "p"))
- (parallel [(call (match_operand:SI 2 "memory_operand" "m")
- (match_operand 3 "" "i"))
- (use (reg:SI 31))])]
- ;;- Don't use operand 1 for most machines.
- "! reg_mentioned_p (operands[0], operands[2])
- && single_insn_extra_test (operands[0], operands[1])"
- "*
- {
- /* strip the MEM. */
- operands[2] = XEXP (operands[2], 0);
- if (TARGET_SUN_ASM && GET_CODE (operands[2]) == REG)
- return output_delayed_branch (\"jmpl %a2,%%o7\", operands, insn);
- return output_delayed_branch (\"call %a2,%3\", operands, insn);
- }")
-
- (define_peephole
- [(set (match_operand:SI 0 "memory_operand" "=m")
- (match_operand:SI 1 "reg_or_0_operand" "rJ"))
- (parallel [(call (match_operand:SI 2 "memory_operand" "m")
- (match_operand 3 "" "i"))
- (use (reg:SI 31))])]
- ;;- Don't use operand 1 for most machines.
- ""
- "*
- {
- /* strip the MEM. */
- operands[2] = XEXP (operands[2], 0);
- if (TARGET_SUN_ASM && GET_CODE (operands[2]) == REG)
- return output_delayed_branch (\"jmpl %a2,%%o7\", operands, insn);
- return output_delayed_branch (\"call %a2,%3\", operands, insn);
- }")
-
- (define_expand "call_value"
- [(set (match_operand 0 "register_operand" "=rf")
- (call (match_operand:SI 1 "memory_operand" "m")
- (match_operand 2 "" "i")))]
- ;; operand 3 is next_arg_register
- ""
- "
- {
- rtx fn_rtx, nregs_rtx;
- rtvec vec;
-
- if (TARGET_SUN_ASM && GET_CODE (XEXP (operands[1], 0)) == REG)
- {
- rtx g1_rtx = gen_rtx (REG, SImode, 1);
- emit_move_insn (g1_rtx, XEXP (operands[1], 0));
- fn_rtx = gen_rtx (MEM, SImode, g1_rtx);
- }
- else
- fn_rtx = operands[1];
-
- #if 0
- if (operands[3])
- nregs_rtx = gen_rtx (CONST_INT, VOIDmode, REGNO (operands[3]) - 8);
- else
- nregs_rtx = gen_rtx (CONST_INT, VOIDmode, 6);
- #else
- nregs_rtx = const0_rtx;
- #endif
-
- vec = gen_rtvec (2,
- gen_rtx (SET, VOIDmode, operands[0],
- gen_rtx (CALL, VOIDmode, fn_rtx, nregs_rtx)),
- gen_rtx (USE, VOIDmode, gen_rtx (REG, SImode, 31)));
-
- emit_call_insn (gen_rtx (PARALLEL, VOIDmode, vec));
- DONE;
- }")
-
- (define_insn ""
- [(set (match_operand 0 "" "=rf")
- (call (match_operand:SI 1 "memory_operand" "m")
- (match_operand 2 "" "i")))
- (use (reg:SI 31))]
- ;;- Don't use operand 2 for most machines.
- ""
- "*
- {
- /* strip the MEM. */
- operands[1] = XEXP (operands[1], 0);
- CC_STATUS_INIT;
- if (TARGET_SUN_ASM && GET_CODE (operands[1]) == REG)
- return \"jmpl %a1,%%o7\;nop\";
- return \"call %a1,%2\;nop\";
- }")
-
- (define_peephole
- [(set (match_operand:SI 0 "register_operand" "=r")
- (match_operand:SI 1 "single_insn_src_p" "p"))
- (parallel [(set (match_operand 2 "" "=rf")
- (call (match_operand:SI 3 "memory_operand" "m")
- (match_operand 4 "" "i")))
- (use (reg:SI 31))])]
- ;;- Don't use operand 4 for most machines.
- "! reg_mentioned_p (operands[0], operands[3])
- && single_insn_extra_test (operands[0], operands[1])"
- "*
- {
- /* strip the MEM. */
- operands[3] = XEXP (operands[3], 0);
- if (TARGET_SUN_ASM && GET_CODE (operands[3]) == REG)
- return output_delayed_branch (\"jmpl %a3,%%o7\", operands, insn);
- return output_delayed_branch (\"call %a3,%4\", operands, insn);
- }")
-
- (define_peephole
- [(set (match_operand:SI 0 "memory_operand" "=m")
- (match_operand:SI 1 "reg_or_0_operand" "rJ"))
- (parallel [(set (match_operand 2 "" "=rf")
- (call (match_operand:SI 3 "memory_operand" "m")
- (match_operand 4 "" "i")))
- (use (reg:SI 31))])]
- ;;- Don't use operand 4 for most machines.
- ""
- "*
- {
- /* strip the MEM. */
- operands[3] = XEXP (operands[3], 0);
- if (TARGET_SUN_ASM && GET_CODE (operands[3]) == REG)
- return output_delayed_branch (\"jmpl %a3,%%o7\", operands, insn);
- return output_delayed_branch (\"call %a3,%4\", operands, insn);
- }")
-
- (define_insn "return"
- [(return)]
- "! TARGET_EPILOGUE"
- "ret\;restore")
-
- (define_peephole
- [(set (reg:SI 24)
- (match_operand:SI 0 "reg_or_0_operand" "rJ"))
- (return)]
- "! TARGET_EPILOGUE"
- "ret\;restore %r0,0x0,%%o0")
-
- (define_peephole
- [(set (reg:SI 24)
- (plus:SI (match_operand:SI 0 "register_operand" "r%")
- (match_operand:SI 1 "arith_operand" "rI")))
- (return)]
- "! TARGET_EPILOGUE"
- "ret\;restore %r0,%1,%%o0")
-
- (define_peephole
- [(set (reg:SI 24)
- (minus:SI (match_operand:SI 0 "register_operand" "r")
- (match_operand:SI 1 "small_int" "I")))
- (return)]
- "! TARGET_EPILOGUE"
- "ret\;restore %0,-(%1),%%o0")
-
- (define_insn "nop"
- [(const_int 0)]
- ""
- "nop")
-
- ;;- Local variables:
- ;;- mode:emacs-lisp
- ;;- comment-start: ";;- "
- ;;- eval: (set-syntax-table (copy-sequence (syntax-table)))
- ;;- eval: (modify-syntax-entry ?[ "(]")
- ;;- eval: (modify-syntax-entry ?] ")[")
- ;;- eval: (modify-syntax-entry ?{ "(}")
- ;;- eval: (modify-syntax-entry ?} "){")
- ;;- End:
-
-