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Diffstat (limited to 'lib/ruby_vm/mjit/insn_compiler.rb')
-rw-r--r--lib/ruby_vm/mjit/insn_compiler.rb30
1 files changed, 27 insertions, 3 deletions
diff --git a/lib/ruby_vm/mjit/insn_compiler.rb b/lib/ruby_vm/mjit/insn_compiler.rb
index 247cdbe260..9a86181b64 100644
--- a/lib/ruby_vm/mjit/insn_compiler.rb
+++ b/lib/ruby_vm/mjit/insn_compiler.rb
@@ -22,7 +22,7 @@ module RubyVM::MJIT
asm.incr_counter(:mjit_insns_count)
asm.comment("Insn: #{insn.name}")
- # 61/101
+ # 62/101
case insn.name
when :nop then nop(jit, ctx, asm)
when :getlocal then getlocal(jit, ctx, asm)
@@ -81,7 +81,7 @@ module RubyVM::MJIT
when :opt_nil_p then opt_nil_p(jit, ctx, asm)
# opt_str_uminus
# opt_newarray_max
- # opt_newarray_min
+ when :opt_newarray_min then opt_newarray_min(jit, ctx, asm)
when :invokesuper then invokesuper(jit, ctx, asm)
# invokeblock
when :leave then leave(jit, ctx, asm)
@@ -725,7 +725,31 @@ module RubyVM::MJIT
# opt_str_uminus
# opt_newarray_max
- # opt_newarray_min
+
+ # @param jit [RubyVM::MJIT::JITState]
+ # @param ctx [RubyVM::MJIT::Context]
+ # @param asm [RubyVM::MJIT::Assembler]
+ def opt_newarray_min(jit, ctx, asm)
+ num = jit.operand(0)
+
+ # Save the PC and SP because we may allocate
+ jit_prepare_routine_call(jit, ctx, asm)
+
+ offset_magnitude = C.VALUE.size * num
+ values_opnd = ctx.sp_opnd(-offset_magnitude)
+ asm.lea(:rax, values_opnd)
+
+ asm.mov(C_ARGS[0], EC)
+ asm.mov(C_ARGS[1], num)
+ asm.mov(C_ARGS[2], :rax)
+ asm.call(C.rb_vm_opt_newarray_min)
+
+ ctx.stack_pop(num)
+ stack_ret = ctx.stack_push
+ asm.mov(stack_ret, C_RET)
+
+ KeepCompiling
+ end
# @param jit [RubyVM::MJIT::JITState]
# @param ctx [RubyVM::MJIT::Context]