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Implement swap

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This commit is contained in:
Takashi Kokubun 2023-02-21 00:22:50 -08:00
parent 8d29b0635b
commit 4d85f21ee8
Notes: git 2023-03-06 07:29:53 +00:00
1 changed files with 17 additions and 3 deletions
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20
lib/ruby_vm/mjit/insn_compiler.rb
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@ -22,7 +22,7 @@ module RubyVM::MJIT
asm.incr_counter(:mjit_insns_count)
asm.comment("Insn: #{insn.name}")
# 56/101
# 57/101
case insn.name
when :nop then nop(jit, ctx, asm)
when :getlocal then getlocal(jit, ctx, asm)
@ -62,7 +62,7 @@ module RubyVM::MJIT
when :pop then pop(jit, ctx, asm)
when :dup then dup(jit, ctx, asm)
when :dupn then dupn(jit, ctx, asm)
# swap
when :swap then swap(jit, ctx, asm)
# opt_reverse
when :topn then topn(jit, ctx, asm)
when :setn then setn(jit, ctx, asm)
@ -521,7 +521,21 @@ module RubyVM::MJIT
KeepCompiling
end
# swap
# @param jit [RubyVM::MJIT::JITState]
# @param ctx [RubyVM::MJIT::Context]
# @param asm [RubyVM::MJIT::Assembler]
def swap(jit, ctx, asm)
stack0_mem = ctx.stack_opnd(0)
stack1_mem = ctx.stack_opnd(1)
asm.mov(:rax, stack0_mem)
asm.mov(:rcx, stack1_mem)
asm.mov(stack0_mem, :rcx)
asm.mov(stack1_mem, :rax)
KeepCompiling
end
# opt_reverse
# @param jit [RubyVM::MJIT::JITState]