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Implement topn

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This commit is contained in:
Takashi Kokubun 2023-02-21 00:11:56 -08:00
parent 4106487ae8
commit a666079404
Notes: git 2023-03-06 07:29:55 +00:00 
Merged: https://github.com/ruby/ruby/pull/7448
1 changed files with 16 additions and 3 deletions
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19
lib/ruby_vm/mjit/insn_compiler.rb
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@ -23,7 +23,7 @@ module RubyVM::MJIT
asm.incr_counter(:mjit_insns_count) asm.incr_counter(:mjit_insns_count)
asm.comment("Insn: #{insn.name}") asm.comment("Insn: #{insn.name}")
# 53/101 # 54/101
case insn.name case insn.name
when :nop then nop(jit, ctx, asm) when :nop then nop(jit, ctx, asm)
when :getlocal then getlocal(jit, ctx, asm) when :getlocal then getlocal(jit, ctx, asm)
@ -65,7 +65,7 @@ module RubyVM::MJIT
when :dupn then dupn(jit, ctx, asm) when :dupn then dupn(jit, ctx, asm)
# swap # swap
# opt_reverse # opt_reverse
# topn when :topn then topn(jit, ctx, asm)
when :setn then setn(jit, ctx, asm) when :setn then setn(jit, ctx, asm)
when :adjuststack then adjuststack(jit, ctx, asm) when :adjuststack then adjuststack(jit, ctx, asm)
# defined # defined
@ -481,7 +481,20 @@ module RubyVM::MJIT
# swap # swap
# opt_reverse # opt_reverse
# topn
# @param jit [RubyVM::MJIT::JITState]
# @param ctx [RubyVM::MJIT::Context]
# @param asm [RubyVM::MJIT::Assembler]
def topn(jit, ctx, asm)
n = jit.operand(0)
top_n_val = ctx.stack_opnd(n)
loc0 = ctx.stack_push
asm.mov(:rax, top_n_val)
asm.mov(loc0, :rax)
KeepCompiling
end
# @param jit [RubyVM::MJIT::JITState] # @param jit [RubyVM::MJIT::JITState]
# @param ctx [RubyVM::MJIT::Context] # @param ctx [RubyVM::MJIT::Context]