change default optimization to -O2

jckarter · Jan 18, 2012 · 2e67c0e · 2e67c0e
1 parent b7922bf
commit 2e67c0e
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Showing 2 changed files with 5 additions and 2 deletions.
diff --git a/ChangeLog.txt b/ChangeLog.txt
@@ -2,7 +2,9 @@
 0.1 -> 0.2 WIP
 ==========
 
-
+Compiler frontend changes:
+--------------------------
+* -O2 is now the default optimization level.
 
 ==========
 0.0 -> 0.1

diff --git a/compiler/src/main.cpp b/compiler/src/main.cpp
@@ -267,6 +267,7 @@ static void usage(char *argv0)
     cerr << "  -DFLAG[=value]        set flag value\n"
          << "                        (queryable with Flag?() and Flag())\n";
     cerr << "  -O0 -O1 -O2 -O3       set optimization level\n";
+    cerr << "                        (default -O2, or -O0 with -g)\n";
     cerr << "  -g                    keep debug symbol information\n";
     cerr << "  -exceptions           enable exception handling\n";
     cerr << "  -no-exceptions        disable exception handling\n";
@@ -372,7 +373,7 @@ int main2(int argc, char **argv, char const* const* envp) {
 
     bool generateDeps = false;
 
-    unsigned optLevel = 3;
+    unsigned optLevel = 2;
     bool optLevelSet = false;
 
 #ifdef __APPLE__