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RJIT: Just skip generating code for aarch64/arm64 (#9221)

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Takashi Kokubun 2023-12-13 09:36:06 -08:00 • committed by GitHub
parent c83a648fc8
commit 0f1c7e3bcb
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2 changed files with 13 additions and 5 deletions
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10
configure.ac
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@ -3916,26 +3916,26 @@ AC_SUBST(CARGO_BUILD_ARGS)dnl for selecting Rust build profiles
AC_SUBST(YJIT_LIBS)dnl for optionally building the Rust parts of YJIT AC_SUBST(YJIT_LIBS)dnl for optionally building the Rust parts of YJIT
AC_SUBST(YJIT_OBJ)dnl for optionally building the C parts of YJIT AC_SUBST(YJIT_OBJ)dnl for optionally building the C parts of YJIT
dnl Currently, RJIT only supports Unix x86_64 platforms. dnl RJIT supports only x86_64 platforms, but allows arm64/aarch64 for custom JITs.
RJIT_TARGET_OK=no RJIT_TARGET_OK=no
AS_IF([test "$cross_compiling" = no], AS_IF([test "$cross_compiling" = no],
AS_CASE(["$target_cpu-$target_os"], AS_CASE(["$target_cpu-$target_os"],
[*android*], [ [*android*], [
RJIT_TARGET_OK=no RJIT_TARGET_OK=no
], ],
[x86_64-darwin*], [ [arm64-darwin*|aarch64-darwin*|x86_64-darwin*], [
RJIT_TARGET_OK=yes RJIT_TARGET_OK=yes
], ],
[x86_64-*linux*], [ [arm64-*linux*|aarch64-*linux*|x86_64-*linux*], [
RJIT_TARGET_OK=yes RJIT_TARGET_OK=yes
], ],
[x86_64-*bsd*], [ [arm64-*bsd*|aarch64-*bsd*|x86_64-*bsd*], [
RJIT_TARGET_OK=yes RJIT_TARGET_OK=yes
] ]
) )
) )
dnl Build RJIT on Unix x86_64 platforms or if --enable-rjit is specified. dnl Build RJIT on supported platforms or if --enable-rjit is specified.
AC_ARG_ENABLE(rjit, AC_ARG_ENABLE(rjit,
AS_HELP_STRING([--enable-rjit], AS_HELP_STRING([--enable-rjit],
[enable pure-Ruby JIT compiler. enabled by default on Unix x86_64 platforms]), [enable pure-Ruby JIT compiler. enabled by default on Unix x86_64 platforms]),

8
lib/ruby_vm/rjit/compiler.rb
View file

@ -59,6 +59,7 @@ module RubyVM::RJIT
# @param iseq `RubyVM::RJIT::CPointer::Struct_rb_iseq_t` # @param iseq `RubyVM::RJIT::CPointer::Struct_rb_iseq_t`
# @param cfp `RubyVM::RJIT::CPointer::Struct_rb_control_frame_t` # @param cfp `RubyVM::RJIT::CPointer::Struct_rb_control_frame_t`
def compile(iseq, cfp) def compile(iseq, cfp)
return unless supported_platform?
pc = cfp.pc.to_i pc = cfp.pc.to_i
jit = JITState.new(iseq:, cfp:) jit = JITState.new(iseq:, cfp:)
asm = Assembler.new asm = Assembler.new
@ -505,5 +506,12 @@ module RubyVM::RJIT
raise "'#{cond.inspect}' was not true" raise "'#{cond.inspect}' was not true"
end end
end end
def supported_platform?
return @supported_platform if defined?(@supported_platform)
@supported_platform = RUBY_PLATFORM.match?(/x86_64/).tap do |supported|
warn "warning: RJIT does not support #{RUBY_PLATFORM} yet" unless supported
end
end
end end
end end