diff options
| author | Takashi Kokubun <[email protected]> | 2023-03-03 22:21:56 -0800 |
|---|---|---|
| committer | Takashi Kokubun <[email protected]> | 2023-03-05 23:28:59 -0800 |
| commit | 6b2c3ff813a78559ab2e88495db593a54b47e995 (patch) | |
| tree | 5afc0bdf24d14c76239cf7ff71dd6dff01b25b71 /lib/ruby_vm/mjit/insn_compiler.rb | |
| parent | f85393514cfeadf27129c5607c257368041dd544 (diff) | |
Implement concatstrings
Notes
Notes:
Merged: https://github.com/ruby/ruby/pull/7448
Diffstat (limited to 'lib/ruby_vm/mjit/insn_compiler.rb')
| -rw-r--r-- | lib/ruby_vm/mjit/insn_compiler.rb | 27 |
1 files changed, 24 insertions, 3 deletions
diff --git a/lib/ruby_vm/mjit/insn_compiler.rb b/lib/ruby_vm/mjit/insn_compiler.rb index 68f36c902a..1c49c162f3 100644 --- a/lib/ruby_vm/mjit/insn_compiler.rb +++ b/lib/ruby_vm/mjit/insn_compiler.rb @@ -24,7 +24,7 @@ module RubyVM::MJIT asm.incr_counter(:mjit_insns_count) asm.comment("Insn: #{insn.name}") - # 67/101 + # 68/101 case insn.name when :nop then nop(jit, ctx, asm) when :getlocal then getlocal(jit, ctx, asm) @@ -48,7 +48,7 @@ module RubyVM::MJIT when :putobject then putobject(jit, ctx, asm) # putspecialobject when :putstring then putstring(jit, ctx, asm) - # concatstrings + when :concatstrings then concatstrings(jit, ctx, asm) when :anytostring then anytostring(jit, ctx, asm) # toregexp # intern @@ -555,7 +555,28 @@ module RubyVM::MJIT KeepCompiling end - # concatstrings + # @param jit [RubyVM::MJIT::JITState] + # @param ctx [RubyVM::MJIT::Context] + # @param asm [RubyVM::MJIT::Assembler] + def concatstrings(jit, ctx, asm) + n = jit.operand(0) + + # Save the PC and SP because we are allocating + jit_prepare_routine_call(jit, ctx, asm) + + asm.lea(:rax, ctx.sp_opnd(-C.VALUE.size * n)) + + # call rb_str_concat_literals(size_t n, const VALUE *strings); + asm.mov(C_ARGS[0], n) + asm.mov(C_ARGS[1], :rax) + asm.call(C.rb_str_concat_literals) + + ctx.stack_pop(n) + stack_ret = ctx.stack_push + asm.mov(stack_ret, C_RET) + + KeepCompiling + end # @param jit [RubyVM::MJIT::JITState] # @param ctx [RubyVM::MJIT::Context] |