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Diffstat (limited to 'contrib/gcc/config/rs6000/6xx.md')
-rw-r--r-- | contrib/gcc/config/rs6000/6xx.md | 234 |
1 files changed, 234 insertions, 0 deletions
diff --git a/contrib/gcc/config/rs6000/6xx.md b/contrib/gcc/config/rs6000/6xx.md new file mode 100644 index 0000000..d28d373 --- /dev/null +++ b/contrib/gcc/config/rs6000/6xx.md @@ -0,0 +1,234 @@ +;; Scheduling description for PowerPC 604, PowerPC 604e, PowerPC 620, +;; and PowerPC 630 processors. +;; Copyright (C) 2003 Free Software Foundation, Inc. +;; +;; This file is part of GCC. + +;; GCC is free software; you can redistribute it and/or modify it +;; under the terms of the GNU General Public License as published +;; by the Free Software Foundation; either version 2, or (at your +;; option) any later version. + +;; GCC is distributed in the hope that it will be useful, but WITHOUT +;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +;; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public +;; License for more details. + +;; You should have received a copy of the GNU General Public License +;; along with GCC; see the file COPYING. If not, write to the +;; Free Software Foundation, 59 Temple Place - Suite 330, Boston, +;; MA 02111-1307, USA. + +(define_automaton "ppc6xx,ppc6xxfp,ppc6xxfp2") +(define_cpu_unit "iu1_6xx,iu2_6xx,mciu_6xx" "ppc6xx") +(define_cpu_unit "fpu_6xx" "ppc6xxfp") +(define_cpu_unit "fpu1_6xx,fpu2_6xx" "ppc6xxfp2") +(define_cpu_unit "lsu_6xx,bpu_6xx,cru_6xx" "ppc6xx") + +;; PPC604 32-bit 2xSCIU, MCIU, LSU, FPU, BPU +;; PPC604e 32-bit 2xSCIU, MCIU, LSU, FPU, BPU, CRU +;; MCIU used for imul/idiv and moves from/to spr +;; LSU 2 stage pipelined +;; FPU 3 stage pipelined +;; Max issue 4 insns/clock cycle + +;; PPC604e is PPC604 with larger caches and a CRU. In the 604 +;; the CR logical operations are handled in the BPU. +;; In the 604e, the CRU shares bus with BPU so only one condition +;; register or branch insn can be issued per clock. Not modelled. + +;; PPC620 64-bit 2xSCIU, MCIU, LSU, FPU, BPU, CRU +;; PPC630 64-bit 2xSCIU, MCIU, LSU, 2xFPU, BPU, CRU +;; Max issue 4 insns/clock cycle +;; Out-of-order execution, in-order completion + +;; No following instruction can dispatch in the same cycle as a branch +;; instruction. Not modelled. This is no problem if RCSP is not +;; enabled since the scheduler stops a schedule when it gets to a branch. + +;; Four insns can be dispatched per cycle. + +(define_insn_reservation "ppc604-load" 2 + (and (eq_attr "type" "load,load_ext,load_ext_u,load_ext_ux,load_ux,load_u") + (eq_attr "cpu" "ppc604,ppc604e,ppc620,ppc630")) + "lsu_6xx") + +(define_insn_reservation "ppc604-fpload" 3 + (and (eq_attr "type" "fpload,fpload_ux,fpload_u") + (eq_attr "cpu" "ppc604,ppc604e,ppc620,ppc630")) + "lsu_6xx") + +(define_insn_reservation "ppc604-store" 1 + (and (eq_attr "type" "store,fpstore,store_ux,store_u,fpstore_ux,fpstore_u") + (eq_attr "cpu" "ppc604,ppc604e,ppc620,ppc630")) + "lsu_6xx") + +(define_insn_reservation "ppc604-integer" 1 + (and (eq_attr "type" "integer,insert_word") + (eq_attr "cpu" "ppc604,ppc604e,ppc620,ppc630")) + "iu1_6xx|iu2_6xx") + +(define_insn_reservation "ppc604-imul" 4 + (and (eq_attr "type" "imul,imul2,imul3,imul_compare") + (eq_attr "cpu" "ppc604")) + "mciu_6xx*2") + +(define_insn_reservation "ppc604e-imul" 2 + (and (eq_attr "type" "imul,imul2,imul3,imul_compare") + (eq_attr "cpu" "ppc604e")) + "mciu_6xx") + +(define_insn_reservation "ppc620-imul" 5 + (and (eq_attr "type" "imul,imul_compare") + (eq_attr "cpu" "ppc620,ppc630")) + "mciu_6xx*3") + +(define_insn_reservation "ppc620-imul2" 4 + (and (eq_attr "type" "imul2") + (eq_attr "cpu" "ppc620,ppc630")) + "mciu_6xx*3") + +(define_insn_reservation "ppc620-imul3" 3 + (and (eq_attr "type" "imul3") + (eq_attr "cpu" "ppc620,ppc630")) + "mciu_6xx*3") + +(define_insn_reservation "ppc620-lmul" 7 + (and (eq_attr "type" "lmul,lmul_compare") + (eq_attr "cpu" "ppc620,ppc630")) + "mciu_6xx*5") + +(define_insn_reservation "ppc604-idiv" 20 + (and (eq_attr "type" "idiv") + (eq_attr "cpu" "ppc604,ppc604e")) + "mciu_6xx*19") + +(define_insn_reservation "ppc620-idiv" 37 + (and (eq_attr "type" "idiv") + (eq_attr "cpu" "ppc620")) + "mciu_6xx*36") + +(define_insn_reservation "ppc630-idiv" 21 + (and (eq_attr "type" "idiv") + (eq_attr "cpu" "ppc630")) + "mciu_6xx*20") + +(define_insn_reservation "ppc620-ldiv" 37 + (and (eq_attr "type" "ldiv") + (eq_attr "cpu" "ppc620,ppc630")) + "mciu_6xx*36") + +(define_insn_reservation "ppc604-compare" 3 + (and (eq_attr "type" "cmp,fast_compare,compare,delayed_compare") + (eq_attr "cpu" "ppc604,ppc604e,ppc620,ppc630")) + "(iu1_6xx|iu2_6xx)") + +; FPU PPC604{,e},PPC620 +(define_insn_reservation "ppc604-fpcompare" 5 + (and (eq_attr "type" "fpcompare") + (eq_attr "cpu" "ppc604,ppc604e,ppc620")) + "fpu_6xx") + +(define_insn_reservation "ppc604-fp" 3 + (and (eq_attr "type" "fp") + (eq_attr "cpu" "ppc604,ppc604e,ppc620")) + "fpu_6xx") + +(define_insn_reservation "ppc604-dmul" 3 + (and (eq_attr "type" "dmul") + (eq_attr "cpu" "ppc604,ppc604e,ppc620")) + "fpu_6xx") + +; Divides are not pipelined +(define_insn_reservation "ppc604-sdiv" 18 + (and (eq_attr "type" "sdiv") + (eq_attr "cpu" "ppc604,ppc604e,ppc620")) + "fpu_6xx*18") + +(define_insn_reservation "ppc604-ddiv" 32 + (and (eq_attr "type" "ddiv") + (eq_attr "cpu" "ppc604,ppc604e,ppc620")) + "fpu_6xx*32") + +(define_insn_reservation "ppc620-ssqrt" 31 + (and (eq_attr "type" "ssqrt") + (eq_attr "cpu" "ppc620")) + "fpu_6xx*31") + +(define_insn_reservation "ppc620-dsqrt" 31 + (and (eq_attr "type" "dsqrt") + (eq_attr "cpu" "ppc620")) + "fpu_6xx*31") + + +; 2xFPU PPC630 +(define_insn_reservation "ppc630-fpcompare" 5 + (and (eq_attr "type" "fpcompare") + (eq_attr "cpu" "ppc630")) + "fpu1_6xx|fpu2_6xx") + +(define_insn_reservation "ppc630-fp" 3 + (and (eq_attr "type" "fp,dmul") + (eq_attr "cpu" "ppc630")) + "fpu1_6xx|fpu2_6xx") + +(define_insn_reservation "ppc630-sdiv" 17 + (and (eq_attr "type" "sdiv") + (eq_attr "cpu" "ppc630")) + "fpu1_6xx*17|fpu2_6xx*17") + +(define_insn_reservation "ppc630-ddiv" 21 + (and (eq_attr "type" "ddiv") + (eq_attr "cpu" "ppc630")) + "fpu1_6xx*21|fpu2_6xx*21") + +(define_insn_reservation "ppc630-ssqrt" 18 + (and (eq_attr "type" "ssqrt") + (eq_attr "cpu" "ppc630")) + "fpu1_6xx*18|fpu2_6xx*18") + +(define_insn_reservation "ppc630-dsqrt" 25 + (and (eq_attr "type" "dsqrt") + (eq_attr "cpu" "ppc630")) + "fpu1_6xx*25|fpu2_6xx*25") + +(define_insn_reservation "ppc604-mfcr" 3 + (and (eq_attr "type" "mfcr") + (eq_attr "cpu" "ppc604,ppc604e,ppc620,ppc630")) + "mciu_6xx") + +(define_insn_reservation "ppc604-mtcr" 2 + (and (eq_attr "type" "mtcr") + (eq_attr "cpu" "ppc604,ppc604e,ppc620,ppc630")) + "iu1_6xx|iu2_6xx") + +(define_insn_reservation "ppc604-crlogical" 2 + (and (eq_attr "type" "cr_logical,delayed_cr") + (eq_attr "cpu" "ppc604")) + "bpu_6xx") + +(define_insn_reservation "ppc604e-crlogical" 2 + (and (eq_attr "type" "cr_logical,delayed_cr") + (eq_attr "cpu" "ppc604e,ppc620,ppc630")) + "cru_6xx") + +(define_insn_reservation "ppc604-mtjmpr" 2 + (and (eq_attr "type" "mtjmpr") + (eq_attr "cpu" "ppc604,ppc604e,ppc620,ppc630")) + "mciu_6xx") + +(define_insn_reservation "ppc604-mfjmpr" 3 + (and (eq_attr "type" "mfjmpr") + (eq_attr "cpu" "ppc604,ppc604e,ppc620")) + "mciu_6xx") + +(define_insn_reservation "ppc630-mfjmpr" 2 + (and (eq_attr "type" "mfjmpr") + (eq_attr "cpu" "ppc630")) + "mciu_6xx") + +(define_insn_reservation "ppc604-jmpreg" 1 + (and (eq_attr "type" "jmpreg,branch") + (eq_attr "cpu" "ppc604,ppc604e,ppc620,ppc630")) + "bpu_6xx") + |