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Diffstat (limited to 'gcc-4.2.1-5666.3/gcc/config/arm/vfp11.md')
-rw-r--r-- | gcc-4.2.1-5666.3/gcc/config/arm/vfp11.md | 94 |
1 files changed, 0 insertions, 94 deletions
diff --git a/gcc-4.2.1-5666.3/gcc/config/arm/vfp11.md b/gcc-4.2.1-5666.3/gcc/config/arm/vfp11.md deleted file mode 100644 index fcc696d95..000000000 --- a/gcc-4.2.1-5666.3/gcc/config/arm/vfp11.md +++ /dev/null @@ -1,94 +0,0 @@ -;; APPLE LOCAL file v7 support. Merge from Codesourcery -;; ARM VFP11 pipeline description -;; Copyright (C) 2003, 2005, 2007 Free Software Foundation, Inc. -;; Written by CodeSourcery, LLC. -;; -;; This file is part of GCC. -;; -;; GCC is free software; you can redistribute it and/or modify it -;; under the terms of the GNU General Public License as published by -;; the Free Software Foundation; either version 2, or (at your option) -;; any later version. -;; -;; GCC is distributed in the hope that it will be useful, but -;; WITHOUT ANY WARRANTY; without even the implied warranty of -;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -;; General Public License for more details. -;; -;; You should have received a copy of the GNU General Public License -;; along with GCC; see the file COPYING. If not, write to the Free -;; Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA -;; 02110-1301, USA. */ - -(define_automaton "vfp11") - -;; There are 3 pipelines in the VFP11 unit. -;; -;; - A 8-stage FMAC pipeline (7 execute + writeback) with forward from -;; fourth stage for simple operations. -;; -;; - A 5-stage DS pipeline (4 execute + writeback) for divide/sqrt insns. -;; These insns also uses first execute stage of FMAC pipeline. -;; -;; - A 4-stage LS pipeline (execute + 2 memory + writeback) with forward from -;; second memory stage for loads. - -;; We do not model Write-After-Read hazards. -;; We do not do write scheduling with the arm core, so it is only necessary -;; to model the first stage of each pipeline -;; ??? Need to model LS pipeline properly for load/store multiple? -;; We do not model fmstat properly. This could be done by modeling pipelines -;; properly and defining an absence set between a dummy fmstat unit and all -;; other vfp units. - -(define_cpu_unit "fmac" "vfp11") - -(define_cpu_unit "ds" "vfp11") - -(define_cpu_unit "vfp_ls" "vfp11") - -(define_cpu_unit "fmstat" "vfp11") - -(exclusion_set "fmac,ds" "fmstat") - -(define_insn_reservation "vfp_ffarith" 4 - (and (eq_attr "generic_vfp" "yes") - (eq_attr "type" "ffarith")) - "fmac") - -(define_insn_reservation "vfp_farith" 8 - (and (eq_attr "generic_vfp" "yes") - (eq_attr "type" "farith,f_cvt,fmuls,fmacs")) - "fmac") - -(define_insn_reservation "vfp_fmul" 9 - (and (eq_attr "generic_vfp" "yes") - (eq_attr "type" "fmuld,fmacd")) - "fmac*2") - -(define_insn_reservation "vfp_fdivs" 19 - (and (eq_attr "generic_vfp" "yes") - (eq_attr "type" "fdivs")) - "ds*15") - -(define_insn_reservation "vfp_fdivd" 33 - (and (eq_attr "generic_vfp" "yes") - (eq_attr "type" "fdivd")) - "fmac+ds*29") - -;; Moves to/from arm regs also use the load/store pipeline. -(define_insn_reservation "vfp_fload" 4 - (and (eq_attr "generic_vfp" "yes") - (eq_attr "type" "f_loads,f_loadd,r_2_f")) - "vfp_ls") - -(define_insn_reservation "vfp_fstore" 4 - (and (eq_attr "generic_vfp" "yes") - (eq_attr "type" "f_stores,f_stored,f_2_r")) - "vfp_ls") - -(define_insn_reservation "vfp_to_cpsr" 4 - (and (eq_attr "generic_vfp" "yes") - (eq_attr "type" "f_flag")) - "fmstat,vfp_ls*3") - |