summaryrefslogtreecommitdiff
path: root/lib/ruby_vm/mjit
diff options
context:
space:
mode:
authorTakashi Kokubun <[email protected]>2023-03-03 22:21:56 -0800
committerTakashi Kokubun <[email protected]>2023-03-05 23:28:59 -0800
commit6b2c3ff813a78559ab2e88495db593a54b47e995 (patch)
tree5afc0bdf24d14c76239cf7ff71dd6dff01b25b71 /lib/ruby_vm/mjit
parentf85393514cfeadf27129c5607c257368041dd544 (diff)
Implement concatstrings
Notes
Notes: Merged: https://github.com/ruby/ruby/pull/7448
Diffstat (limited to 'lib/ruby_vm/mjit')
-rw-r--r--lib/ruby_vm/mjit/insn_compiler.rb27
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]