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authorBruce Mitchener <bruce.mitchener@gmail.com>2013-01-31 13:40:18 +0700
committerBruce Mitchener <bruce.mitchener@gmail.com>2013-01-31 17:12:31 +0700
commit000ae7fbdcb3d522c55d9a9466f8171405b3175f (patch)
tree53e8768499fa78087f68582c976073ff3772eee9 /docs
parent7b129450d48a3552dc8189d96ef695db8cc9c15b (diff)
fix typos in paper.
Diffstat (limited to 'docs')
-rw-r--r--docs/paper.tex8
1 files changed, 4 insertions, 4 deletions
diff --git a/docs/paper.tex b/docs/paper.tex
index 4ad795b8..3b8da618 100644
--- a/docs/paper.tex
+++ b/docs/paper.tex
@@ -114,7 +114,7 @@ main ones of which are Clang and LLVM-GCC) into the
LLVM intermediary representation (which can be machine-readable
bitcode, or human-readable assembly), and then passes it
through a \emph{backend} which generates actual machine code for a particular
-architecure. Emscripten plays the role of a backend which targets JavaScript.
+architecture. Emscripten plays the role of a backend which targets JavaScript.
By using Emscripten, potentially many languages can be
run on the web, using one of the following methods:
@@ -138,7 +138,7 @@ run on the web, using one of the following methods:
From a technical standpoint, one challenge in designing and implementing
Emscripten is that it compiles a low-level language -- LLVM assembly -- into
-a high-level one -- JavaScript. This is somethat the reverse of the usual
+a high-level one -- JavaScript. This is somewhat the reverse of the usual
situation one is in when building a compiler, and leads to some unique
difficulties. For example, to get good performance in JavaScript one must
use natural JavaScript code flow structures, like loops and ifs, but
@@ -475,7 +475,7 @@ a compilation option, SAFE\_HEAP, which generates code that checks that LSC hold
doesn't. It also warns about other memory-related issues like
reading from memory before a value was written (somewhat similarly to tools
like Valgrind\footnote{\url{http://valgrind.org/}}). When such problems are detected, possible solutions are to ignore the issue (if it has no actual
-consqeuences), or alter the source code.
+consequences), or alter the source code.
Note that it is somewhat wasteful to allocate 4 memory locations for
a 32-bit integer, and use only one of them. It is possible to change
@@ -737,7 +737,7 @@ surprisingly easy to implement. For example, C++ exceptions are represented in
LLVM by \emph{invoke} and \emph{unwind}, where \emph{invoke} is a call to a function that will
potentially trigger an \emph{unwind}, and \emph{unwind} returns to the earliest invoke.
If one were to implement those
-in a typical compiler, doing so would require careful work. In Emscripen, however,
+in a typical compiler, doing so would require careful work. In Emscripten, however,
it is possible to do so using JavaScript exceptions in a straightforward manner:
\emph{invoke} becomes a function call wrapped in a \emph{try} block, and \emph{unwind}
becomes \emph{throw}. This is a case where compiling to a high-level language turns