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| author | John Högberg <[email protected]> | 2018-09-28 14:08:23 +0200 |
|---|---|---|
| committer | GitHub <[email protected]> | 2018-09-28 14:08:23 +0200 |
| commit | 7d941c529dc9db016af30cdace2df089d1648dbf (patch) | |
| tree | ce04f9922931e927ca22d75a2cd0fd4d0d0328eb /system | |
| parent | 08ef38b2c9f84ed118e693bff38efa69fc2c7eb8 (diff) | |
| parent | afa36d2081927c46a4c3ddceb40276fc7756bb51 (diff) | |
| download | otp-7d941c529dc9db016af30cdace2df089d1648dbf.tar.gz otp-7d941c529dc9db016af30cdace2df089d1648dbf.tar.bz2 otp-7d941c529dc9db016af30cdace2df089d1648dbf.zip | |
Merge pull request #1958 from jhogberg/john/compiler/ssa-bsm-opt
Rewrite BSM optimizations in the new SSA-based intermediate format
Diffstat (limited to 'system')
| -rw-r--r-- | system/doc/efficiency_guide/binaryhandling.xml | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/system/doc/efficiency_guide/binaryhandling.xml b/system/doc/efficiency_guide/binaryhandling.xml index b500329ef9..d92da17390 100644 --- a/system/doc/efficiency_guide/binaryhandling.xml +++ b/system/doc/efficiency_guide/binaryhandling.xml @@ -384,8 +384,8 @@ export ERL_COMPILER_OPTIONS=bin_opt_info]]></code> <p>The warnings look as follows:</p> <code type="erl"><![CDATA[ -./efficiency_guide.erl:60: Warning: NOT OPTIMIZED: sub binary is used or returned -./efficiency_guide.erl:62: Warning: OPTIMIZED: creation of sub binary delayed]]></code> +./efficiency_guide.erl:60: Warning: NOT OPTIMIZED: binary is returned from the function +./efficiency_guide.erl:62: Warning: OPTIMIZED: match context reused]]></code> <p>To make it clearer exactly what code the warnings refer to, the warnings in the following examples are inserted as comments @@ -393,10 +393,10 @@ export ERL_COMPILER_OPTIONS=bin_opt_info]]></code> <code type="erl"><![CDATA[ after_zero(<<0,T/binary>>) -> - %% NOT OPTIMIZED: sub binary is used or returned + %% BINARY CREATED: binary is returned from the function T; after_zero(<<_,T/binary>>) -> - %% OPTIMIZED: creation of sub binary delayed + %% OPTIMIZED: match context reused after_zero(T); after_zero(<<>>) -> <<>>.]]></code> |