diff options
Diffstat (limited to 'lib/compiler')
| -rw-r--r-- | lib/compiler/src/beam_ssa_pre_codegen.erl | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/compiler/src/beam_ssa_pre_codegen.erl b/lib/compiler/src/beam_ssa_pre_codegen.erl index b940c0fdc2..fa1b7bb71e 100644 --- a/lib/compiler/src/beam_ssa_pre_codegen.erl +++ b/lib/compiler/src/beam_ssa_pre_codegen.erl @@ -2008,6 +2008,14 @@ reserve_zreg([#b_set{op={bif,tuple_size},dst=Dst}, reserve_zreg([#b_set{op={bif,tuple_size},dst=Dst}], #b_switch{}, ShortLived, A) -> reserve_zreg_1(Dst, ShortLived, A); +reserve_zreg([#b_set{op={bif,'xor'}}], _Last, _ShortLived, A) -> + %% There is no short, easy way to rewrite 'xor' to a series of + %% test instructions. + A; +reserve_zreg([#b_set{op={bif,is_record}}], _Last, _ShortLived, A) -> + %% There is no short, easy way to rewrite is_record/2 to a series of + %% test instructions. + A; reserve_zreg([#b_set{op=Op,dst=Dst}|Is], Last, ShortLived, A0) -> IsZReg = case Op of bs_match_string -> true; |