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| author | Björn Gustavsson <[email protected]> | 2011-11-04 11:12:03 +0100 |
|---|---|---|
| committer | Björn Gustavsson <[email protected]> | 2011-11-04 11:12:03 +0100 |
| commit | 841ef48db4b8df0e8a057d5d006e10c3b7e4f325 (patch) | |
| tree | f4b42bae4b46f0f6cf40c882f910367a419edad4 | |
| parent | 9a6ad15ba103ec7aee2da66f59e371bd863f410c (diff) | |
| download | otp-841ef48db4b8df0e8a057d5d006e10c3b7e4f325.tar.gz otp-841ef48db4b8df0e8a057d5d006e10c3b7e4f325.tar.bz2 otp-841ef48db4b8df0e8a057d5d006e10c3b7e4f325.zip | |
beam_type: Improve FP optimizations in the presence of line numbers
Allow line/1 instructions to be part of a sequence of floating point
instructions to avoid outputting fclearerror / fcheckerror around
every floating point instruction.
| -rw-r--r-- | lib/compiler/src/beam_type.erl | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/compiler/src/beam_type.erl b/lib/compiler/src/beam_type.erl index 7fdb8d072a..0c51251f1b 100644 --- a/lib/compiler/src/beam_type.erl +++ b/lib/compiler/src/beam_type.erl @@ -168,6 +168,8 @@ simplify_float_1([{set,[D0],[A,B],{alloc,_,{gc_bif,Op0,{f,0}}}}=I|Is]=Is0, Ts0, simplify_float_1([{set,_,_,{'catch',_}}=I|Is]=Is0, _Ts, Rs0, Acc0) -> Acc = flush_all(Rs0, Is0, Acc0), simplify_float_1(Is, tdb_new(), Rs0, [I|Acc]); +simplify_float_1([{set,_,_,{line,_}}=I|Is], Ts, Rs, Acc) -> + simplify_float_1(Is, Ts, Rs, [I|Acc]); simplify_float_1([I|Is]=Is0, Ts0, Rs0, Acc0) -> Ts = update(I, Ts0), {Rs,Acc} = flush(Rs0, Is0, Acc0), |