diff options
Diffstat (limited to 'erts/emulator/beam/jit/x86/instr_guard_bifs.cpp')
| -rw-r--r-- | erts/emulator/beam/jit/x86/instr_guard_bifs.cpp | 24 |
1 files changed, 11 insertions, 13 deletions
diff --git a/erts/emulator/beam/jit/x86/instr_guard_bifs.cpp b/erts/emulator/beam/jit/x86/instr_guard_bifs.cpp index 4dfe39cb98..26133d5ac0 100644 --- a/erts/emulator/beam/jit/x86/instr_guard_bifs.cpp +++ b/erts/emulator/beam/jit/x86/instr_guard_bifs.cpp @@ -60,24 +60,22 @@ void BeamGlobalAssembler::emit_handle_hd_error() { * The code size for this specialization of hd/1 is 21 bytes, * while the code size for the bif1 instruction is 24 bytes. */ -void BeamModuleAssembler::emit_bif_hd(const ArgLabel &Fail, - const ArgSource &Src, +void BeamModuleAssembler::emit_bif_hd(const ArgSource &Src, const ArgRegister &Hd) { + Label good_cons = a.newLabel(); + mov_arg(RET, Src); a.test(RETb, imm(_TAG_PRIMARY_MASK - TAG_PRIMARY_LIST)); - if (Fail.get() != 0) { - a.jne(resolve_beam_label(Fail)); - } else { - Label next = a.newLabel(); - a.short_().je(next); - safe_fragment_call(ga->get_handle_hd_error()); - a.bind(next); - } + a.short_().je(good_cons); + safe_fragment_call(ga->get_handle_hd_error()); - x86::Gp boxed_ptr = emit_ptr_val(RET, RET); - a.mov(ARG2, getCARRef(boxed_ptr)); - mov_arg(Hd, ARG2); + a.bind(good_cons); + { + x86::Gp boxed_ptr = emit_ptr_val(RET, RET); + a.mov(ARG2, getCARRef(boxed_ptr)); + mov_arg(Hd, ARG2); + } } void BeamGlobalAssembler::emit_handle_element_error() { |