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Implemented basic -m32 and -m64 options.

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This commit is contained in:
Tomas Lindquist Olsen 2009-03-01 22:27:03 +01:00
parent 3d6b0b68d5
commit a71b028a0f
4 changed files with 34 additions and 5 deletions
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18
gen/main.cpp
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@ -337,8 +337,24 @@ int main(int argc, char** argv)
}
// create a proper target
// check -m32/64 sanity
if (m32bits && m64bits)
error("cannot use both -m32 and -m64 options");
else if ((m32bits || m64bits) && (mArch != 0 || !mTargetTriple.empty()))
error("-m32 and -m64 switches cannot be used together with -march and -mtriple switches");
if (global.errors)
fatal();
llvm::Module mod("dummy");
// override triple if needed
const char* defaultTriple = DEFAULT_TARGET_TRIPLE;
if ((sizeof(void*) == 4 && m64bits) || (sizeof(void*) == 8 && m32bits))
{
defaultTriple = DEFAULT_ALT_TARGET_TRIPLE;
}
// did the user override the target triple?
if (mTargetTriple.empty())
{
@ -347,7 +363,7 @@ int main(int argc, char** argv)
error("you must specify a target triple as well with -mtriple when using the -march option");
fatal();
}
global.params.targetTriple = DEFAULT_TARGET_TRIPLE;
global.params.targetTriple = defaultTriple;
}
else
{