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| author | Björn Gustavsson <[email protected]> | 2015-06-17 10:34:39 +0200 |
|---|---|---|
| committer | Björn Gustavsson <[email protected]> | 2015-07-03 14:34:57 +0200 |
| commit | 30204739a047ab96d2b7d59ae461d4cbb2131509 (patch) | |
| tree | 73180a7cfb9cb1429bfc59aab7a5fa5e004c4318 /erts/emulator/beam/ops.tab | |
| parent | 3c583d590589b64ab543102f2542bda0337ce2f9 (diff) | |
| download | otp-30204739a047ab96d2b7d59ae461d4cbb2131509.tar.gz otp-30204739a047ab96d2b7d59ae461d4cbb2131509.tar.bz2 otp-30204739a047ab96d2b7d59ae461d4cbb2131509.zip | |
Eliminate the use of i_fetch for BIF instructions
Diffstat (limited to 'erts/emulator/beam/ops.tab')
| -rw-r--r-- | erts/emulator/beam/ops.tab | 21 |
1 files changed, 10 insertions, 11 deletions
diff --git a/erts/emulator/beam/ops.tab b/erts/emulator/beam/ops.tab index 57fb1ea026..492d4d240a 100644 --- a/erts/emulator/beam/ops.tab +++ b/erts/emulator/beam/ops.tab @@ -995,8 +995,8 @@ bif2 Jump=j u$bif:erlang:element/2 S1=s S2=xy Dst=d => gen_element(Jump, S1, S2, bif1 p Bif S1 Dst => bif1_body Bif S1 Dst -bif2 p Bif S1 S2 Dst => i_fetch S1 S2 | i_bif2_body Bif Dst -bif2 Fail Bif S1 S2 Dst => i_fetch S1 S2 | i_bif2 Fail Bif Dst +bif2 p Bif S1 S2 Dst => i_bif2_body Bif S1 S2 Dst +bif2 Fail Bif S1 S2 Dst => i_bif2 Fail Bif S1 S2 Dst i_get s d @@ -1018,8 +1018,8 @@ i_element j y s d bif1 f b s d bif1_body b s d -i_bif2 f b d -i_bif2_body b d +i_bif2 f b s s d +i_bif2_body b s s d # # Internal calls. @@ -1568,17 +1568,16 @@ gc_bif3 Fail I Bif S1 S2 S3 Dst => \ i_gc_bif1 j I s I d -ii_gc_bif2/6 - -ii_gc_bif2 Fail Bif S1 S2 Live D => i_fetch S1 S2 | i_gc_bif2 Fail Bif Live D - -i_gc_bif2 j I I d +i_gc_bif2 j I I s s d ii_gc_bif3/7 -ii_gc_bif3 Fail Bif S1 S2 S3 Live D => move S1 x | i_fetch S2 S3 | i_gc_bif3 Fail Bif x Live D +# A specific instruction can only have 6 operands, so we must +# pass one of the arguments in an x register. +ii_gc_bif3 Fail Bif Live S1 S2 S3 Dst => \ + move S1 x | i_gc_bif3 Fail Bif Live S2 S3 Dst -i_gc_bif3 j I s I d +i_gc_bif3 j I I s s d # # The following instruction is specially handled in beam_load.c |