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| author | Björn Gustavsson <[email protected]> | 2016-04-18 10:22:29 +0200 |
|---|---|---|
| committer | Björn Gustavsson <[email protected]> | 2016-04-18 10:22:29 +0200 |
| commit | 1f365d733604afd27e48afff80071cf2c67e1091 (patch) | |
| tree | 62163cea4dcef7cd97074493a1fc867c495390b9 /lib/compiler/src/beam_peep.erl | |
| parent | 3a0aa160f5f13857d7335c3f3524bd0a59250cc4 (diff) | |
| parent | c74f998b9ad46785aaa2557a4033c056574dc937 (diff) | |
| download | otp-1f365d733604afd27e48afff80071cf2c67e1091.tar.gz otp-1f365d733604afd27e48afff80071cf2c67e1091.tar.bz2 otp-1f365d733604afd27e48afff80071cf2c67e1091.zip | |
Merge branch 'bjorn/compiler/misc-opt'
* bjorn/compiler/misc-opt:
v3_kernel: Construct literal lists properly
Use the register map in %live in beam_utils:is_killed_block/2
Teach beam_utils to check liveness for put_map instructions
beam_peep: Help out beam_jump
Diffstat (limited to 'lib/compiler/src/beam_peep.erl')
| -rw-r--r-- | lib/compiler/src/beam_peep.erl | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/compiler/src/beam_peep.erl b/lib/compiler/src/beam_peep.erl index 1e430b4ed5..c8bef31824 100644 --- a/lib/compiler/src/beam_peep.erl +++ b/lib/compiler/src/beam_peep.erl @@ -83,6 +83,9 @@ peep([{gc_bif,_,_,_,_,Dst}=I|Is], SeenTests0, Acc) -> %% Kill all remembered tests that depend on the destination register. SeenTests = kill_seen(Dst, SeenTests0), peep(Is, SeenTests, [I|Acc]); +peep([{jump,{f,L}},{label,L}=I|Is], _, Acc) -> + %% Sometimes beam_jump has missed this optimization. + peep(Is, gb_sets:empty(), [I|Acc]); peep([{select,Op,R,F,Vls0}|Is], _, Acc) -> case prune_redundant_values(Vls0, F) of [] -> |