You need to build V8 with v8_enable_disassembler enabled (disabled by default in release build). See https://cs.chromium.org/chromium/src/v8/BUILD.gn?type=cs&q=v8_enable_disassembler
On Monday, September 18, 2017 at 5:23:09 PM UTC+8, Marija wrote: > > Hi, > > Is it possible to see generated assembly code for built-in functions? If I > use just print_code with a simple program, like [].push(1), nothing is > generated. > Is --print_builtin_code flag the right thing to use? For array push the > output looks like: > > kind = BUILTIN > name = ArrayPush > compiler = unknown > Instructions (size = 10) > 0x246f7340 0 bb20c45908 mov ebx,0x859c420 ;; external > reference (Builtin_ArrayPush) > 0x246f7345 5 e9f682feff jmp 0x246df640 > (AdaptorWithBuiltinExitFrame) ;; code: BUILTIN > > > RelocInfo (size = 3) > 0x246f7341 external reference (Builtin_ArrayPush) (0x859c420) > 0x246f7346 code target (BUILTIN) (0x246df640) > > There is another code for FastArrayPush. > > Can you also help me to understand the output if the flag > --print_builtin_code is the right thing to use? > > Thanks! > -- -- v8-users mailing list v8-users@googlegroups.com http://groups.google.com/group/v8-users --- You received this message because you are subscribed to the Google Groups "v8-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to v8-users+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
