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Make '-O' equivalent to '-O3'.

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I have seen it used several times in benchmarks comparing it
to 'gdc -O3' and 'dmd -O -inline' now, so people apparently
expect it to yield the highest available optimization level.
This commit is contained in:
David Nadlinger
2013-03-17 02:09:54 +01:00
parent bc09ceae18
commit bb5b60e591
2 changed files with 2 additions and 2 deletions
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2
driver/ldmd.cpp
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@@ -807,7 +807,7 @@ void buildCommandLine(std::vector<const char*>& r, const Params& p)
if (p.logTlsUse) warning("-vtls not yet supported by LDC.");
if (p.warnings == Warnings::asErrors) r.push_back("-w");
else if (p.warnings == Warnings::informational) r.push_back("-wi");
if (p.optimize) r.push_back("-O2");
if (p.optimize) r.push_back("-O3");
if (p.noObj) r.push_back("-o-");
if (p.objDir) r.push_back(concat("-od=", p.objDir));
if (p.objName) r.push_back(concat("-of=", p.objName));

2
gen/optimizer.cpp
View File

@@ -47,7 +47,7 @@ static cl::opt<signed char> optimizeLevel(
cl::desc("Setting the optimization level:"),
cl::ZeroOrMore,
cl::values(
clEnumValN(2, "O", "Equivalent to -O2"),
clEnumValN(3, "O", "Equivalent to -O3"),
clEnumValN(0, "O0", "No optimizations (default)"),
clEnumValN(1, "O1", "Simple optimizations"),
clEnumValN(2, "O2", "Good optimizations"),