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| author | /dev/humancontroller <devhc@example.com> | 2017-04-13 11:30:00 +0000 |
|---|---|---|
| committer | /dev/humancontroller <devhc@example.com> | 2017-04-15 12:11:01 +0200 |
| commit | 60d92bbdcfc22c7248989ad7efb856989d299daa (patch) | |
| tree | 74de9d4cb1f1a938705e13257ba136b9872b6600 /src/tools/lcc/doc/4.html | |
| parent | 1a5afab2fcd1d43e5d43160ee601fa3bfa375a76 (diff) | |
update the tools to the latest revision
URL: https://github.com/darklegion/tremulous
revision: c862a5340c8de44dcc7abaff170c20c04f9340e8, equivalently f45fbef604e05144057dec8d1dbfc5d4f5a2a822
Diffstat (limited to 'src/tools/lcc/doc/4.html')
| -rw-r--r-- | src/tools/lcc/doc/4.html | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/tools/lcc/doc/4.html b/src/tools/lcc/doc/4.html index a2e1213..0b4b36d 100644 --- a/src/tools/lcc/doc/4.html +++ b/src/tools/lcc/doc/4.html @@ -99,7 +99,7 @@ the symbol's <code>type</code> field.</p> <h2><a NAME="operators">5.5 Dag Operators</a></h2> -<p>The <code>op</code> field a of <code>node</code> structure holds a dag operator, which +<p>The <code>op</code> field of a <code>node</code> structure holds a dag operator, which consists of a generic operator, a type suffix, and a size indicator. The type suffixes are:</p> @@ -516,14 +516,14 @@ e.g.,</p> <p>The type suffix for a conversion operator denotes the type of the result and the size indicator gives the size of the result. For example, <code>CVUI4</code> converts an unsigned (<code>U</code>) to a 4-byte signed integer (<code>I4</code>). The <code>syms[0]</code> -field points to a symbol-table entry for a integer constant that gives the size of the +field points to a symbol-table entry for an integer constant that gives the size of the source operand. For example, if <code>syms[0]</code> in a <code>CVUI4</code> points to a symbol-table entry for 2, the conversion widens a 2-byte unsigned integer to a 4-byte signed integer. Conversions that widen unsigned integers zero-extend; those that widen signed integers sign-extend.</p> <p>The front end composes conversions between types <em>T</em><sub>1</sub> and <em>T</em><sub>2</sub> -by widening <em>T</em><sub>1</sub> to it's "supertype", if necessary, converting +by widening <em>T</em><sub>1</sub> to its "supertype", if necessary, converting that result to <em>T</em><sub>2</sub>'s supertype, then narrowing the result to <em>T</em><sub>2</sub>, if necessary. The following table lists the supertypes; omitted entries are their own supertypes.</p> |