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I was able to build and play with clang today. Clang also promotes integer arithmetic to 32-bit. Any pointers on how to tweak it so that it generate i16 for "int" and also promote int operations to 16-bit operations only? Thanks, Sanjiv On 3/20/08, Chris Lattner <sabre at nondot.org> wrote: > > On Wed, 19 Mar 2008, Duncan Sands wrote: > >> How can I build the

On Wed, 19 Mar 2008, Duncan Sands wrote: >> How can I build the front-end to generate 16-bit integers? > > Please clarify your question. > If you are asking how to build llvm-gcc for a 16 bit target, > I think the answer is: (1) gcc itself doesn't support 16 bit > targets; (2) llvm doesn't currently support any 16 bit targets > (but could with a little work). So

...uilder.defineMacro("__x86_64__"); + if (PointerWidth == 64 && getLongWidth() == 64) { + Builder.defineMacro("_LP64"); + Builder.defineMacro("__LP64__"); + } else if (PointerWidth == 32 && getLongWidth() == 32 && + getIntWidth() == 32) { + Builder.defineMacro("_ILP32"); + Builder.defineMacro("__ILP32__"); + } } else { DefineStd(Builder, "i386", Opts); } @@ -3013,20 +3021,31 @@ class X86_64TargetInfo : public X86TargetInfo { public: X86_64TargetInfo(const llvm::...

Hi, I'm working on bringing up complete coverage for a Gentoo x32 "desktop" system. I've been cooking up quite a few patches for various packages to push upstream, but right now, the biggest blocker is the lack of support for building with/codegen targeting x32 in llvm/clang. Since the x32 patches were sent last year, I see support code has landed in LLVM, and basic handling of

...uilder.defineMacro("__x86_64__"); + if (PointerWidth == 64 && getLongWidth() == 64) { + Builder.defineMacro("_LP64"); + Builder.defineMacro("__LP64__"); + } else if (PointerWidth == 32 && getLongWidth() == 32 && + getIntWidth() == 32) { + Builder.defineMacro("_ILP32"); + Builder.defineMacro("__ILP32__"); + } } else { DefineStd(Builder, "i386", Opts); } @@ -3013,20 +3021,31 @@ class X86_64TargetInfo : public X86TargetInfo { public: X86_64TargetInfo(const llvm::...