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authorBjörn-Egil Dahlberg <egil@erlang.org>2015-04-23 19:06:03 +0200
committerBjörn-Egil Dahlberg <egil@erlang.org>2015-04-24 10:06:17 +0200
commit699ad918545ac7e716b77ea05a6a943434616020 (patch)
treebbde991f143318be7a3ab4c98b72b0c479d37342 /erts/emulator/beam/ops.tab
parent38384c6c5f66cf52d24ae6f48cc71bbe52611aa9 (diff)
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erts: Specialize band instruction for common case
* i_band specialization on x registers and constants
Diffstat (limited to 'erts/emulator/beam/ops.tab')
-rw-r--r--erts/emulator/beam/ops.tab2
1 files changed, 2 insertions, 0 deletions
diff --git a/erts/emulator/beam/ops.tab b/erts/emulator/beam/ops.tab
index 3f7e69e07e..3436b664d9 100644
--- a/erts/emulator/beam/ops.tab
+++ b/erts/emulator/beam/ops.tab
@@ -1663,6 +1663,7 @@ gc_bif2 Fail I u$bif:erlang:rem/2 S1 S2 Dst=d => i_fetch S1 S2 | i_rem Fail I Ds
gc_bif2 Fail I u$bif:erlang:bsl/2 S1 S2 Dst=d => i_fetch S1 S2 | i_bsl Fail I Dst
gc_bif2 Fail I u$bif:erlang:bsr/2 S1 S2 Dst=d => i_fetch S1 S2 | i_bsr Fail I Dst
+gc_bif2 Fail I u$bif:erlang:band/2 S1=x S2=c Dst=d => i_band Fail I S1 S2 Dst
gc_bif2 Fail I u$bif:erlang:band/2 S1 S2 Dst=d => i_fetch S1 S2 | i_band Fail I Dst
gc_bif2 Fail I u$bif:erlang:bor/2 S1 S2 Dst=d => i_fetch S1 S2 | i_bor Fail I Dst
gc_bif2 Fail I u$bif:erlang:bxor/2 S1 S2 Dst=d => i_fetch S1 S2 | i_bxor Fail I Dst
@@ -1686,6 +1687,7 @@ i_rem j I d
i_bsl j I d
i_bsr j I d
+i_band j I x c d
i_band j I d
i_bor j I d
i_bxor j I d