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| author | Claudiu Zissulescu <claziss@synopsys.com> | 2021-06-14 15:33:17 +0300 |
|---|---|---|
| committer | Claudiu Zissulescu <claziss@synopsys.com> | 2021-06-14 15:33:25 +0300 |
| commit | c4c47a84a16a29d7077f537051d90de1f3475957 (patch) | |
| tree | b1e3500f478976c7374252f932a371273eea1067 /gcc | |
| parent | 831589c227cf1a53cb08490edbafb612d0a9db7c (diff) | |
| download | gcc-c4c47a84a16a29d7077f537051d90de1f3475957.zip gcc-c4c47a84a16a29d7077f537051d90de1f3475957.tar.gz gcc-c4c47a84a16a29d7077f537051d90de1f3475957.tar.bz2 | |
arc: Add --with-fpu support for ARCv2 cpus
Support for a compile-time default FPU. The --with-fpu configuration
option is ignored if -mfpu compiler option is specified. The FPU
options are only available for ARCv2 cpus.
gcc/
2021-06-14 Claudiu Zissulescu <claziss@synopsys.com>
* config.gcc (arc): Add support for with_cpu option.
* config/arc/arc.h (OPTION_DEFAULT_SPECS): Add fpu.
Signed-off-by: Claudiu Zissulescu <claziss@synopsys.com>
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/config.gcc | 44 | ||||
| -rw-r--r-- | gcc/config/arc/arc.h | 4 |
2 files changed, 43 insertions, 5 deletions
diff --git a/gcc/config.gcc b/gcc/config.gcc index 4dc4fe0..1be8d96 100644 --- a/gcc/config.gcc +++ b/gcc/config.gcc @@ -4260,18 +4260,52 @@ case "${target}" in ;; arc*-*-*) - supported_defaults="cpu" + supported_defaults="cpu fpu" + new_cpu=hs38_linux if [ x"$with_cpu" = x ] \ - || grep "^ARC_CPU ($with_cpu," \ - ${srcdir}/config/arc/arc-cpus.def \ - > /dev/null; then + || grep -q -E "^ARC_CPU[[:blank:]]*\($with_cpu," \ + ${srcdir}/config/arc/arc-cpus.def + then # Ok - true + new_cpu=$with_cpu else echo "Unknown cpu used in --with-cpu=$with_cpu" 1>&2 exit 1 fi + + # see if --with-fpu matches any of the supported FPUs + case "$with_fpu" in + "") + # OK + ;; + fpus | fpus_div | fpus_fma | fpus_all) + # OK if em or hs + flags_ok="[emhs]+" + ;; + fpuda | fpuda_div | fpuda_fma | fpuda_all) + # OK only em + flags_ok="em" + ;; + fpud | fpud_div | fpud_fma | fpud_all) + # OK only hs + flags_ok="hs" + ;; + *) + echo "Unknown floating point type used in "\ + "--with-fpu=$with_fpu" 1>&2 + exit 1 + ;; + esac + + if [ -n "$flags_ok" ] \ + && ! grep -q -E "^ARC_CPU[[:blank:]]*\($new_cpu,[[:blank:]]*$flags_ok," \ + ${srcdir}/config/arc/arc-cpus.def + then + echo "Unknown floating point type used in "\ + "--with-fpu=$with_fpu for cpu $new_cpu" 1>&2 + exit 1 + fi ;; csky-*-*) diff --git a/gcc/config/arc/arc.h b/gcc/config/arc/arc.h index 0224ae6..8cd6350 100644 --- a/gcc/config/arc/arc.h +++ b/gcc/config/arc/arc.h @@ -100,7 +100,11 @@ extern const char *arc_cpu_to_as (int argc, const char **argv); "%:cpu_to_as(%{mcpu=*:%*}) %{mspfp*} %{mdpfp*} " \ "%{mfpu=fpuda*:-mfpuda} %{mcode-density}" +/* Support for a compile-time default CPU and FPU. The rules are: + --with-cpu is ignored if -mcpu, mARC*, marc*, mA7, mA6 are specified. + --with-fpu is ignored if -mfpu is specified. */ #define OPTION_DEFAULT_SPECS \ + {"fpu", "%{!mfpu=*:-mfpu=%(VALUE)}"}, \ {"cpu", "%{!mcpu=*:%{!mARC*:%{!marc*:%{!mA7:%{!mA6:-mcpu=%(VALUE)}}}}}" } #ifndef DRIVER_ENDIAN_SELF_SPECS |