Support for LEON processor
Support for LEON processor * config.gcc (sparc-*-elf*): Deal with sparc-leon specifically. (sparc-*-linux*): Likewise. (sparc-*-rtems*): Remove Solaris left-overs. (sparc*-*-*): Remove obsolete sparc86x setting. (sparc-leon*): Default to --with-cpu=v8 and --with-tune=leon. * doc/invoke.texi (SPARC Options): Document -mcpu/-mtune=leon. * config/sparc/sparc.h (TARGET_CPU_leon): Define. (TARGET_CPU_sparc86x): Delete. (TARGET_CPU_cypress): Define as alias to TARGET_CPU_v7. (TARGET_CPU_f930): Define as alias to TARGET_CPU_sparclite. (TARGET_CPU_f934): Likewise. (TARGET_CPU_tsc701): Define as alias to TARGET_CPU_sparclet. (CPP_CPU_SPEC): Add entry for -mcpu=leon. (enum processor_type): Add PROCESSOR_LEON. Reorganize. * config/sparc/sparc.c (leon_costs): New cost array. (sparc_option_override): Add entry for TARGET_CPU_leon and -mcpu=leon. Initialize cost array to leon_costs if -mtune=leon. * config/sparc/sparc.md (cpu attribute): Add leon. Reorganize. Include leon.md scheduling description. * config/sparc/leon.md: New file. * config/sparc/t-elf: Do not assemble Solaris startup files. * config/sparc/t-leon: New file. * config/sparc/t-leon3: Likewise. Co-Authored-By: Eric Botcazou <ebotcazou@adacore.com> From-SVN: r167957
This commit is contained in:
Konrad Eisele
Eric Botcazou
parent
cb2168c966
commit
07981468eb
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@ -1,3 +1,31 @@
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2010-12-16 Konrad Eisele <konrad@gaisler.com>
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Eric Botcazou <ebotcazou@adacore.com>
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Support for LEON processor
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* config.gcc (sparc-*-elf*): Deal with sparc-leon specifically.
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(sparc-*-linux*): Likewise.
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(sparc-*-rtems*): Remove Solaris left-overs.
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(sparc*-*-*): Remove obsolete sparc86x setting.
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(sparc-leon*): Default to --with-cpu=v8 and --with-tune=leon.
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* doc/invoke.texi (SPARC Options): Document -mcpu/-mtune=leon.
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* config/sparc/sparc.h (TARGET_CPU_leon): Define.
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(TARGET_CPU_sparc86x): Delete.
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(TARGET_CPU_cypress): Define as alias to TARGET_CPU_v7.
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(TARGET_CPU_f930): Define as alias to TARGET_CPU_sparclite.
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(TARGET_CPU_f934): Likewise.
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(TARGET_CPU_tsc701): Define as alias to TARGET_CPU_sparclet.
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(CPP_CPU_SPEC): Add entry for -mcpu=leon.
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(enum processor_type): Add PROCESSOR_LEON. Reorganize.
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* config/sparc/sparc.c (leon_costs): New cost array.
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(sparc_option_override): Add entry for TARGET_CPU_leon and -mcpu=leon.
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Initialize cost array to leon_costs if -mtune=leon.
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* config/sparc/sparc.md (cpu attribute): Add leon. Reorganize.
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Include leon.md scheduling description.
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* config/sparc/leon.md: New file.
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* config/sparc/t-elf: Do not assemble Solaris startup files.
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* config/sparc/t-leon: New file.
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* config/sparc/t-leon3: Likewise.
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2010-12-16 Jakub Jelinek <jakub@redhat.com>
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PR tree-optimization/43655
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@ -2450,18 +2450,39 @@ sh-wrs-vxworks)
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;;
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sparc-*-elf*)
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tm_file="${tm_file} dbxelf.h elfos.h newlib-stdint.h sparc/sysv4.h sparc/sp-elf.h"
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tmake_file="sparc/t-elf sparc/t-crtfm"
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extra_parts="crti.o crtn.o crtbegin.o crtend.o"
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case ${target} in
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*-leon-*)
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tmake_file="sparc/t-leon"
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;;
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*-leon[3-9]*)
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tmake_file="sparc/t-leon3"
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;;
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*)
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tmake_file="sparc/t-elf"
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;;
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esac
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tmake_file="${tmake_file} sparc/t-crtfm"
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extra_parts="crtbegin.o crtend.o"
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;;
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sparc-*-rtems*)
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tm_file="${tm_file} dbxelf.h elfos.h sparc/sysv4.h sparc/sp-elf.h sparc/rtemself.h rtems.h newlib-stdint.h"
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tmake_file="sparc/t-elf sparc/t-crtfm t-rtems"
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extra_parts="crti.o crtn.o crtbegin.o crtend.o"
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extra_parts="crtbegin.o crtend.o"
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;;
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sparc-*-linux*)
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tm_file="${tm_file} dbxelf.h elfos.h sparc/sysv4.h linux.h glibc-stdint.h"
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extra_options="${extra_options} sparc/long-double-switch.opt"
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tmake_file="${tmake_file} sparc/t-linux"
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case ${target} in
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*-leon-*)
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tmake_file="${tmake_file} sparc/t-leon"
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;;
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*-leon[3-9]*)
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tmake_file="${tmake_file} sparc/t-leon3"
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;;
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*)
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tmake_file="${tmake_file} sparc/t-linux"
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;;
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esac
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if test x$enable_targets = xall; then
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tm_file="sparc/biarch64.h ${tm_file} sparc/linux64.h"
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tmake_file="${tmake_file} sparc/t-linux64"
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@ -2922,6 +2943,9 @@ if test x$with_cpu = x ; then
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mips*-*-vxworks)
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with_arch=mips2
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;;
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sparc-leon*-*)
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with_cpu=v8;
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;;
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sparc*-*-*)
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with_cpu="`echo ${target} | sed 's/-.*$//'`"
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;;
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@ -3441,9 +3465,11 @@ case "${target}" in
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for which in cpu tune; do
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eval "val=\$with_$which"
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case ${val} in
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"" | sparc | sparcv9 | sparc64 | sparc86x \
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| v7 | cypress | v8 | supersparc | sparclite | f930 \
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| f934 | hypersparc | sparclite86x | sparclet | tsc701 \
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"" | sparc | sparcv9 | sparc64 \
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| v7 | cypress \
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| v8 | supersparc | hypersparc | leon \
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| sparclite | f930 | f934 | sparclite86x \
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| sparclet | tsc701 \
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| v9 | ultrasparc | ultrasparc3 | niagara | niagara2)
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# OK
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;;
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@ -3587,6 +3613,15 @@ case ${target} in
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cxx_target_objs="${cxx_target_objs} sh-c.o"
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;;
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sparc-leon*-*)
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if test x$with_tune = x ; then
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with_tune=leon;
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fi
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# The SPARC port checks this value at compile-time.
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target_cpu_default2="TARGET_CPU_$with_cpu"
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;;
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sparc*-*-*)
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# Some standard aliases.
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case x$with_cpu in
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@ -3601,6 +3636,7 @@ case ${target} in
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# The SPARC port checks this value at compile-time.
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target_cpu_default2="TARGET_CPU_$with_cpu"
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;;
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v850*-*-*)
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# FIXME: The v850 is "special" in that it does not support
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# runtime CPU selection, only --with-cpu.
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@ -0,0 +1,56 @@
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;; Scheduling description for LEON.
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;; Copyright (C) 2010 Free Software Foundation, Inc.
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;;
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;; This file is part of GCC.
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;;
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;; GCC is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation; either version 3, or (at your option)
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;; any later version.
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;;
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;; GCC is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;;
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;; You should have received a copy of the GNU General Public License
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;; along with GCC; see the file COPYING3. If not see
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;; <http://www.gnu.org/licenses/>.
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(define_automaton "leon")
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(define_cpu_unit "leon_memory, leon_fpalu" "leon")
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(define_cpu_unit "leon_fpmds" "leon")
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(define_cpu_unit "write_buf" "leon")
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(define_insn_reservation "leon_load" 1
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(and (eq_attr "cpu" "leon")
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(eq_attr "type" "load,sload,fpload"))
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"leon_memory")
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(define_insn_reservation "leon_store" 1
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(and (eq_attr "cpu" "leon")
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(eq_attr "type" "store,fpstore"))
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"leon_memory+write_buf")
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(define_insn_reservation "leon_fp_alu" 1
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(and (eq_attr "cpu" "leon")
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(eq_attr "type" "fp,fpmove"))
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"leon_fpalu, nothing")
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(define_insn_reservation "leon_fp_mult" 1
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(and (eq_attr "cpu" "leon")
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(eq_attr "type" "fpmul"))
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"leon_fpmds, nothing")
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(define_insn_reservation "leon_fp_div" 16
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(and (eq_attr "cpu" "leon")
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(eq_attr "type" "fpdivs,fpdivd"))
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"leon_fpmds, nothing*15")
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(define_insn_reservation "leon_fp_sqrt" 23
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(and (eq_attr "cpu" "leon")
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(eq_attr "type" "fpsqrts,fpsqrtd"))
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"leon_fpmds, nothing*21")
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@ -128,6 +128,30 @@ struct processor_costs hypersparc_costs = {
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0, /* shift penalty */
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};
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static const
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struct processor_costs leon_costs = {
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COSTS_N_INSNS (1), /* int load */
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COSTS_N_INSNS (1), /* int signed load */
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COSTS_N_INSNS (1), /* int zeroed load */
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COSTS_N_INSNS (1), /* float load */
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COSTS_N_INSNS (1), /* fmov, fneg, fabs */
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COSTS_N_INSNS (1), /* fadd, fsub */
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COSTS_N_INSNS (1), /* fcmp */
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COSTS_N_INSNS (1), /* fmov, fmovr */
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COSTS_N_INSNS (1), /* fmul */
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COSTS_N_INSNS (15), /* fdivs */
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COSTS_N_INSNS (15), /* fdivd */
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COSTS_N_INSNS (23), /* fsqrts */
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COSTS_N_INSNS (23), /* fsqrtd */
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COSTS_N_INSNS (5), /* imul */
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COSTS_N_INSNS (5), /* imulX */
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0, /* imul bit factor */
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COSTS_N_INSNS (5), /* idiv */
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COSTS_N_INSNS (5), /* idivX */
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COSTS_N_INSNS (1), /* movcc/movr */
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0, /* shift penalty */
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};
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static const
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struct processor_costs sparclet_costs = {
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COSTS_N_INSNS (3), /* int load */
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@ -698,19 +722,20 @@ sparc_option_override (void)
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{ NULL, (enum cmodel) 0 }
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};
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const struct code_model *cmodel;
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/* Map TARGET_CPU_DEFAULT to value for -m{arch,tune}=. */
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/* Map TARGET_CPU_DEFAULT to value for -m{cpu,tune}=. */
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static struct cpu_default {
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const int cpu;
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const char *const name;
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} const cpu_default[] = {
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/* There must be one entry here for each TARGET_CPU value. */
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{ TARGET_CPU_sparc, "cypress" },
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{ TARGET_CPU_sparclet, "tsc701" },
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{ TARGET_CPU_sparclite, "f930" },
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{ TARGET_CPU_v8, "v8" },
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{ TARGET_CPU_hypersparc, "hypersparc" },
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{ TARGET_CPU_sparclite86x, "sparclite86x" },
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{ TARGET_CPU_supersparc, "supersparc" },
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{ TARGET_CPU_hypersparc, "hypersparc" },
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{ TARGET_CPU_leon, "leon" },
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{ TARGET_CPU_sparclite, "f930" },
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{ TARGET_CPU_sparclite86x, "sparclite86x" },
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{ TARGET_CPU_sparclet, "tsc701" },
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{ TARGET_CPU_v9, "v9" },
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{ TARGET_CPU_ultrasparc, "ultrasparc" },
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{ TARGET_CPU_ultrasparc3, "ultrasparc3" },
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@ -731,28 +756,32 @@ sparc_option_override (void)
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{ "v8", PROCESSOR_V8, MASK_ISA, MASK_V8 },
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/* TI TMS390Z55 supersparc */
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{ "supersparc", PROCESSOR_SUPERSPARC, MASK_ISA, MASK_V8 },
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{ "sparclite", PROCESSOR_SPARCLITE, MASK_ISA, MASK_SPARCLITE },
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/* The Fujitsu MB86930 is the original sparclite chip, with no fpu.
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The Fujitsu MB86934 is the recent sparclite chip, with an fpu. */
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{ "f930", PROCESSOR_F930, MASK_ISA|MASK_FPU, MASK_SPARCLITE },
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{ "f934", PROCESSOR_F934, MASK_ISA, MASK_SPARCLITE|MASK_FPU },
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{ "hypersparc", PROCESSOR_HYPERSPARC, MASK_ISA, MASK_V8|MASK_FPU },
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/* LEON */
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{ "leon", PROCESSOR_LEON, MASK_ISA, MASK_V8|MASK_FPU },
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{ "sparclite", PROCESSOR_SPARCLITE, MASK_ISA, MASK_SPARCLITE },
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/* The Fujitsu MB86930 is the original sparclite chip, with no FPU. */
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{ "f930", PROCESSOR_F930, MASK_ISA|MASK_FPU, MASK_SPARCLITE },
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/* The Fujitsu MB86934 is the recent sparclite chip, with an FPU. */
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{ "f934", PROCESSOR_F934, MASK_ISA, MASK_SPARCLITE|MASK_FPU },
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{ "sparclite86x", PROCESSOR_SPARCLITE86X, MASK_ISA|MASK_FPU,
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MASK_SPARCLITE },
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{ "sparclet", PROCESSOR_SPARCLET, MASK_ISA, MASK_SPARCLET },
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/* TEMIC sparclet */
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{ "tsc701", PROCESSOR_TSC701, MASK_ISA, MASK_SPARCLET },
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{ "v9", PROCESSOR_V9, MASK_ISA, MASK_V9 },
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/* TI ultrasparc I, II, IIi */
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{ "ultrasparc", PROCESSOR_ULTRASPARC, MASK_ISA, MASK_V9
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/* Although insns using %y are deprecated, it is a clear win on current
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ultrasparcs. */
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|MASK_DEPRECATED_V8_INSNS},
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/* TI ultrasparc III */
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/* ??? Check if %y issue still holds true in ultra3. */
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{ "ultrasparc3", PROCESSOR_ULTRASPARC3, MASK_ISA, MASK_V9|MASK_DEPRECATED_V8_INSNS},
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/* UltraSPARC I, II, IIi */
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{ "ultrasparc", PROCESSOR_ULTRASPARC, MASK_ISA,
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/* Although insns using %y are deprecated, it is a clear win. */
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MASK_V9|MASK_DEPRECATED_V8_INSNS},
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/* UltraSPARC III */
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/* ??? Check if %y issue still holds true. */
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{ "ultrasparc3", PROCESSOR_ULTRASPARC3, MASK_ISA,
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MASK_V9|MASK_DEPRECATED_V8_INSNS},
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/* UltraSPARC T1 */
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{ "niagara", PROCESSOR_NIAGARA, MASK_ISA, MASK_V9|MASK_DEPRECATED_V8_INSNS},
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{ "niagara", PROCESSOR_NIAGARA, MASK_ISA,
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MASK_V9|MASK_DEPRECATED_V8_INSNS},
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/* UltraSPARC T2 */
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{ "niagara2", PROCESSOR_NIAGARA, MASK_ISA, MASK_V9},
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{ 0, (enum processor_type) 0, 0, 0 }
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};
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@ -907,6 +936,9 @@ sparc_option_override (void)
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case PROCESSOR_SPARCLITE86X:
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sparc_costs = &hypersparc_costs;
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break;
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case PROCESSOR_LEON:
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sparc_costs = &leon_costs;
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break;
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case PROCESSOR_SPARCLET:
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case PROCESSOR_TSC701:
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sparc_costs = &sparclet_costs;
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@ -228,21 +228,25 @@ extern enum cmodel sparc_cmodel;
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/* Note that TARGET_CPU_v9 is assumed to start the list of 64-bit
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capable cpu's. */
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#define TARGET_CPU_sparc 0
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#define TARGET_CPU_v7 0 /* alias for previous */
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#define TARGET_CPU_sparclet 1
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#define TARGET_CPU_sparclite 2
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#define TARGET_CPU_v8 3 /* generic v8 implementation */
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#define TARGET_CPU_supersparc 4
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#define TARGET_CPU_hypersparc 5
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#define TARGET_CPU_sparc86x 6
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#define TARGET_CPU_v7 0 /* alias */
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#define TARGET_CPU_cypress 0 /* alias */
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#define TARGET_CPU_v8 1 /* generic v8 implementation */
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#define TARGET_CPU_supersparc 2
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#define TARGET_CPU_hypersparc 3
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#define TARGET_CPU_leon 4
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#define TARGET_CPU_sparclite 5
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#define TARGET_CPU_f930 5 /* alias */
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#define TARGET_CPU_f934 5 /* alias */
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#define TARGET_CPU_sparclite86x 6
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#define TARGET_CPU_v9 7 /* generic v9 implementation */
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#define TARGET_CPU_sparcv9 7 /* alias */
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#define TARGET_CPU_sparc64 7 /* alias */
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#define TARGET_CPU_ultrasparc 8
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#define TARGET_CPU_ultrasparc3 9
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#define TARGET_CPU_niagara 10
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#define TARGET_CPU_niagara2 11
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#define TARGET_CPU_sparclet 7
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#define TARGET_CPU_tsc701 7 /* alias */
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#define TARGET_CPU_v9 8 /* generic v9 implementation */
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#define TARGET_CPU_sparcv9 8 /* alias */
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#define TARGET_CPU_sparc64 8 /* alias */
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#define TARGET_CPU_ultrasparc 9
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#define TARGET_CPU_ultrasparc3 10
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#define TARGET_CPU_niagara 11
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#define TARGET_CPU_niagara2 12
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#if TARGET_CPU_DEFAULT == TARGET_CPU_v9 \
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|| TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc \
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@ -299,6 +303,11 @@ extern enum cmodel sparc_cmodel;
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#define ASM_CPU32_DEFAULT_SPEC "-Asparclite"
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#endif
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#if TARGET_CPU_DEFAULT == TARGET_CPU_sparclite86x
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#define CPP_CPU32_DEFAULT_SPEC "-D__sparclite86x__"
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#define ASM_CPU32_DEFAULT_SPEC "-Asparclite"
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#endif
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#if TARGET_CPU_DEFAULT == TARGET_CPU_supersparc
|
||||
#define CPP_CPU32_DEFAULT_SPEC "-D__supersparc__ -D__sparc_v8__"
|
||||
#define ASM_CPU32_DEFAULT_SPEC ""
|
||||
|
|
@ -309,9 +318,9 @@ extern enum cmodel sparc_cmodel;
|
|||
#define ASM_CPU32_DEFAULT_SPEC ""
|
||||
#endif
|
||||
|
||||
#if TARGET_CPU_DEFAULT == TARGET_CPU_sparclite86x
|
||||
#define CPP_CPU32_DEFAULT_SPEC "-D__sparclite86x__"
|
||||
#define ASM_CPU32_DEFAULT_SPEC "-Asparclite"
|
||||
#if TARGET_CPU_DEFAULT == TARGET_CPU_leon
|
||||
#define CPP_CPU32_DEFAULT_SPEC "-D__leon__ -D__sparc_v8__"
|
||||
#define ASM_CPU32_DEFAULT_SPEC ""
|
||||
#endif
|
||||
|
||||
#endif
|
||||
|
|
@ -360,10 +369,11 @@ extern enum cmodel sparc_cmodel;
|
|||
%{mcpu=sparclet:-D__sparclet__} %{mcpu=tsc701:-D__sparclet__} \
|
||||
%{mcpu=sparclite:-D__sparclite__} \
|
||||
%{mcpu=f930:-D__sparclite__} %{mcpu=f934:-D__sparclite__} \
|
||||
%{mcpu=sparclite86x:-D__sparclite86x__} \
|
||||
%{mcpu=v8:-D__sparc_v8__} \
|
||||
%{mcpu=supersparc:-D__supersparc__ -D__sparc_v8__} \
|
||||
%{mcpu=hypersparc:-D__hypersparc__ -D__sparc_v8__} \
|
||||
%{mcpu=sparclite86x:-D__sparclite86x__} \
|
||||
%{mcpu=leon:-D__leon__ -D__sparc_v8__} \
|
||||
%{mcpu=v9:-D__sparc_v9__} \
|
||||
%{mcpu=ultrasparc:-D__sparc_v9__} \
|
||||
%{mcpu=ultrasparc3:-D__sparc_v9__} \
|
||||
|
|
@ -526,10 +536,11 @@ enum processor_type {
|
|||
PROCESSOR_CYPRESS,
|
||||
PROCESSOR_V8,
|
||||
PROCESSOR_SUPERSPARC,
|
||||
PROCESSOR_HYPERSPARC,
|
||||
PROCESSOR_LEON,
|
||||
PROCESSOR_SPARCLITE,
|
||||
PROCESSOR_F930,
|
||||
PROCESSOR_F934,
|
||||
PROCESSOR_HYPERSPARC,
|
||||
PROCESSOR_SPARCLITE86X,
|
||||
PROCESSOR_SPARCLET,
|
||||
PROCESSOR_TSC701,
|
||||
|
|
|
|||
|
|
@ -104,9 +104,14 @@
|
|||
cypress,
|
||||
v8,
|
||||
supersparc,
|
||||
sparclite,f930,f934,
|
||||
hypersparc,sparclite86x,
|
||||
sparclet,tsc701,
|
||||
hypersparc,
|
||||
leon,
|
||||
sparclite,
|
||||
f930,
|
||||
f934,
|
||||
sparclite86x,
|
||||
sparclet,
|
||||
tsc701,
|
||||
v9,
|
||||
ultrasparc,
|
||||
ultrasparc3,
|
||||
|
|
@ -339,6 +344,7 @@
|
|||
(include "cypress.md")
|
||||
(include "supersparc.md")
|
||||
(include "hypersparc.md")
|
||||
(include "leon.md")
|
||||
(include "sparclet.md")
|
||||
(include "ultra1_2.md")
|
||||
(include "ultra3.md")
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
# Copyright (C) 1997, 1998, 1999, 2001, 2002, 2005,
|
||||
# 2007 Free Software Foundation, Inc.
|
||||
# Copyright (C) 1997, 1998, 1999, 2001, 2002, 2005, 2007, 2010
|
||||
# Free Software Foundation, Inc.
|
||||
#
|
||||
# This file is part of GCC.
|
||||
#
|
||||
|
|
@ -32,17 +32,9 @@ fp-bit.c: $(srcdir)/config/fp-bit.c
|
|||
echo '#define FLOAT' > fp-bit.c
|
||||
cat $(srcdir)/config/fp-bit.c >> fp-bit.c
|
||||
|
||||
# MULTILIB_OPTIONS should have msparclite too, but we'd have to make
|
||||
# gas build...
|
||||
MULTILIB_OPTIONS = msoft-float mcpu=v8
|
||||
MULTILIB_DIRNAMES = soft v8
|
||||
MULTILIB_MATCHES = msoft-float=mno-fpu mcpu?v8=mv8
|
||||
|
||||
LIBGCC = stmp-multilib
|
||||
INSTALL_LIBGCC = install-multilib
|
||||
|
||||
# Assemble startup files.
|
||||
$(T)crti.o: $(srcdir)/config/sparc/sol2-ci.asm $(GCC_PASSES)
|
||||
$(GCC_FOR_TARGET) -c -o $(T)crti.o -x assembler-with-cpp $(srcdir)/config/sparc/sol2-ci.asm
|
||||
$(T)crtn.o: $(srcdir)/config/sparc/sol2-cn.asm $(GCC_PASSES)
|
||||
$(GCC_FOR_TARGET) -c -o $(T)crtn.o -x assembler-with-cpp $(srcdir)/config/sparc/sol2-cn.asm
|
||||
|
|
|
|||
|
|
@ -0,0 +1,42 @@
|
|||
# Copyright (C) 2010 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 3, 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 COPYING3. If not see
|
||||
# <http://www.gnu.org/licenses/>.
|
||||
|
||||
LIB1ASMSRC = sparc/lb1spc.asm
|
||||
LIB1ASMFUNCS = _mulsi3 _divsi3 _modsi3
|
||||
|
||||
# We want fine grained libraries, so use the new code to build the
|
||||
# floating point emulation libraries.
|
||||
FPBIT = fp-bit.c
|
||||
DPBIT = dp-bit.c
|
||||
|
||||
dp-bit.c: $(srcdir)/config/fp-bit.c
|
||||
cat $(srcdir)/config/fp-bit.c > dp-bit.c
|
||||
|
||||
fp-bit.c: $(srcdir)/config/fp-bit.c
|
||||
echo '#define FLOAT' > fp-bit.c
|
||||
cat $(srcdir)/config/fp-bit.c >> fp-bit.c
|
||||
|
||||
# Multilibs for LEON
|
||||
# LEON is a SPARC-V8, but the AT697 implementation has a bug in the
|
||||
# V8-specific instructions.
|
||||
MULTILIB_OPTIONS = mcpu=v7 msoft-float
|
||||
MULTILIB_DIRNAMES = v7 soft
|
||||
MULTILIB_MATCHES = mcpu?v7=mv7 msoft-float=mno-fpu
|
||||
|
||||
LIBGCC = stmp-multilib
|
||||
INSTALL_LIBGCC = install-multilib
|
||||
|
|
@ -0,0 +1,37 @@
|
|||
# Copyright (C) 2010 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 3, 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 COPYING3. If not see
|
||||
# <http://www.gnu.org/licenses/>.
|
||||
|
||||
# We want fine grained libraries, so use the new code to build the
|
||||
# floating point emulation libraries.
|
||||
FPBIT = fp-bit.c
|
||||
DPBIT = dp-bit.c
|
||||
|
||||
dp-bit.c: $(srcdir)/config/fp-bit.c
|
||||
cat $(srcdir)/config/fp-bit.c > dp-bit.c
|
||||
|
||||
fp-bit.c: $(srcdir)/config/fp-bit.c
|
||||
echo '#define FLOAT' > fp-bit.c
|
||||
cat $(srcdir)/config/fp-bit.c >> fp-bit.c
|
||||
|
||||
# Multilibs for LEON3
|
||||
MULTILIB_OPTIONS = msoft-float
|
||||
MULTILIB_DIRNAMES = soft
|
||||
MULTILIB_MATCHES = msoft-float=mno-fpu
|
||||
|
||||
LIBGCC = stmp-multilib
|
||||
INSTALL_LIBGCC = install-multilib
|
||||
|
|
@ -16951,8 +16951,8 @@ the rules of the ABI@.
|
|||
@opindex mcpu
|
||||
Set the instruction set, register set, and instruction scheduling parameters
|
||||
for machine type @var{cpu_type}. Supported values for @var{cpu_type} are
|
||||
@samp{v7}, @samp{cypress}, @samp{v8}, @samp{supersparc}, @samp{sparclite},
|
||||
@samp{f930}, @samp{f934}, @samp{hypersparc}, @samp{sparclite86x},
|
||||
@samp{v7}, @samp{cypress}, @samp{v8}, @samp{supersparc}, @samp{hypersparc},
|
||||
@samp{leon}, @samp{sparclite}, @samp{f930}, @samp{f934}, @samp{sparclite86x},
|
||||
@samp{sparclet}, @samp{tsc701}, @samp{v9}, @samp{ultrasparc},
|
||||
@samp{ultrasparc3}, @samp{niagara} and @samp{niagara2}.
|
||||
|
||||
|
|
@ -16965,7 +16965,7 @@ implementations.
|
|||
|
||||
@smallexample
|
||||
v7: cypress
|
||||
v8: supersparc, hypersparc
|
||||
v8: supersparc, hypersparc, leon
|
||||
sparclite: f930, f934, sparclite86x
|
||||
sparclet: tsc701
|
||||
v9: ultrasparc, ultrasparc3, niagara, niagara2
|
||||
|
|
@ -17018,9 +17018,9 @@ option @option{-mcpu=@var{cpu_type}} would.
|
|||
The same values for @option{-mcpu=@var{cpu_type}} can be used for
|
||||
@option{-mtune=@var{cpu_type}}, but the only useful values are those
|
||||
that select a particular cpu implementation. Those are @samp{cypress},
|
||||
@samp{supersparc}, @samp{hypersparc}, @samp{f930}, @samp{f934},
|
||||
@samp{sparclite86x}, @samp{tsc701}, @samp{ultrasparc},
|
||||
@samp{ultrasparc3}, @samp{niagara}, and @samp{niagara2}.
|
||||
@samp{supersparc}, @samp{hypersparc}, @samp{leon}, @samp{f930}, @samp{f934},
|
||||
@samp{sparclite86x}, @samp{tsc701}, @samp{ultrasparc}, @samp{ultrasparc3},
|
||||
@samp{niagara}, and @samp{niagara2}.
|
||||
|
||||
@item -mv8plus
|
||||
@itemx -mno-v8plus
|
||||
|
|
|
|||
Loading…
Reference in New Issue