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author | Björn Gustavsson <[email protected]> | 2011-08-10 08:16:07 +0200 |
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committer | Björn Gustavsson <[email protected]> | 2011-10-11 11:46:35 +0200 |
commit | c75c84657c1b65c5df24e3c9316a25cb67803873 (patch) | |
tree | ed67199b45c9d36459d1278e2de39734b7ecb421 /erts/emulator/beam/ops.tab | |
parent | f2e79b0670d1c56205ae89ac248de53f46d56ee8 (diff) | |
download | otp-c75c84657c1b65c5df24e3c9316a25cb67803873.tar.gz otp-c75c84657c1b65c5df24e3c9316a25cb67803873.tar.bz2 otp-c75c84657c1b65c5df24e3c9316a25cb67803873.zip |
Simplify transformations of gc_bif[123] instructions
Each gc_bif[123] instruction must have both a transformation in
ops.tab and special code in gen_guard_bif[123]().
Rewrite it to do most of the work in gen_guard_bif[123]().
Diffstat (limited to 'erts/emulator/beam/ops.tab')
-rw-r--r-- | erts/emulator/beam/ops.tab | 36 |
1 files changed, 12 insertions, 24 deletions
diff --git a/erts/emulator/beam/ops.tab b/erts/emulator/beam/ops.tab index 327c4e8651..34bd5d0653 100644 --- a/erts/emulator/beam/ops.tab +++ b/erts/emulator/beam/ops.tab @@ -1466,34 +1466,13 @@ bif1 Fail u$bif:erlang:trunc/1 s d => too_old_compiler # # Guard BIFs. # -gc_bif1 Fail I Bif=u$bif:erlang:length/1 Src Dst=d => \ +gc_bif1 Fail I Bif Src Dst => \ gen_guard_bif1(Fail, I, Bif, Src, Dst) -gc_bif1 Fail I Bif=u$bif:erlang:size/1 Src Dst=d => \ - gen_guard_bif1(Fail, I, Bif, Src, Dst) - -gc_bif1 Fail I Bif=u$bif:erlang:bit_size/1 Src Dst=d => \ - gen_guard_bif1(Fail, I, Bif, Src, Dst) - -gc_bif1 Fail I Bif=u$bif:erlang:byte_size/1 Src Dst=d => \ - gen_guard_bif1(Fail, I, Bif, Src, Dst) - -gc_bif1 Fail I Bif=u$bif:erlang:abs/1 Src Dst=d => \ - gen_guard_bif1(Fail, I, Bif, Src, Dst) - -gc_bif1 Fail I Bif=u$bif:erlang:float/1 Src Dst=d => \ - gen_guard_bif1(Fail, I, Bif, Src, Dst) - -gc_bif1 Fail I Bif=u$bif:erlang:round/1 Src Dst=d => \ - gen_guard_bif1(Fail, I, Bif, Src, Dst) - -gc_bif1 Fail I Bif=u$bif:erlang:trunc/1 Src Dst=d => \ - gen_guard_bif1(Fail, I, Bif, Src, Dst) - -gc_bif2 Fail I Bif=u$bif:erlang:binary_part/2 S1 S2 Dst=d => \ +gc_bif2 Fail I Bif S1 S2 Dst => \ gen_guard_bif2(Fail, I, Bif, S1, S2, Dst) -gc_bif3 Fail I Bif=u$bif:erlang:binary_part/3 S1 S2 S3 Dst=d => \ +gc_bif3 Fail I Bif S1 S2 S3 Dst => \ gen_guard_bif3(Fail, I, Bif, S1, S2, S3, Dst) i_gc_bif1 Fail Bif V=q Live D => move V x | i_gc_bif1 Fail Bif x Live D @@ -1511,6 +1490,15 @@ 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 i_gc_bif3 j I s I d + +# +# The following instruction is specially handled in beam_load.c +# to produce a user-friendly message if an unsupported guard BIF is +# encountered. +# +unsupported_guard_bif/3 +unsupported_guard_bif A B C | never() => + # # R13B03 # |