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...btargets, but i get the obvious message: Value 'Defs' of type 'list<Register>' is incompatible with initializer '[{ (the code is at the end of this mail) I'm not sure how to play with Defs and what to write in a .td file. I tried a top-level if with a Predicate: def IsMacho : Predicate<"Subtarget->isMachoABI()">; if (isMacho) let Defs = .... else Defs = ... But this fails too. Any other ideas on how to get this right? Thx, Nicolas let isCall = 1, noResults = 1, PPC970_Unit = 7, // All calls clobber the non-callee saved registers... Defs...

I think the easiest thing for you to do is to define a separate CALL instruction with a different set of Defs. This instruction should only be selected when the predicate isMacho is true. Also update PPCRegisterInfo.cpp getCalleeSavedRegs() to return a different list when subtarget->isMachoABI() is true. Evan On Feb 14, 2007, at 7:19 AM, Nicolas Geoffray wrote: > Hi Chris, > > Chris Lattner wrote: >>> 2) Line 369 of PPCInstrInfo.td, we declare t...

...this unneeded. 2. The X86 backend has the unfortunate habit of saying "if !darwin" "if !cygwin" etc. Most of the changes you've made are actually ABI related changes, not OS-specific changes. As such, I'd prefer it if you added two methods to PPCSubtarget: isMachoABI() and isELF_ABI() (or whatever is the right name of the ABI that linux uses) and use those instead. 3. Please split up the patch into independent chunks for easier review. This will make it much more likely that your pieces will be applied in a timely fashion :). This will also let...

Hi everyone, I have almost completed the implementation of a linux/ppc backend in llvm. There were a few things to modify in lib/Target/PowerPC with a lot of "if (!isDarwin)". There are some places where I need help before saying the port is complete. I attached the diff file as a reference 1) In order to generate a creqv instruction before a vararg call, I created a new

Evan Cheng wrote: > I think the easiest thing for you to do is to define a separate CALL > instruction with a different set of Defs. This instruction should > only be selected when the predicate isMacho is true. Also update > PPCRegisterInfo.cpp getCalleeSavedRegs() to return a different list > when subtarget->isMachoABI() is true. > Alright, thx Evan, that's what I did. Here are the final patches I think can be committed. I tried to separate them into independent chunks,...

...== Triple::arm || Arch == Triple::thumb || Arch == Triple::ppc || Arch == Triple::ppc64 || - Arch == Triple::UnknownArch) && + Arch == Triple::UnknownArch || Arch == Triple::aarch64) && (T.isOSDarwin() || T.getEnvironment() == Triple::MachO)) { Env = IsMachO; InitMachOMCObjectFileInfo(T); diff --git a/lib/Target/AArch64/AArch64AsmPrinter.cpp b/lib/Target/AArch64/AArch64AsmPrinter.cpp index 759809f..2a38247 100644 --- a/lib/Target/AArch64/AArch64AsmPrinter.cpp +++ b/lib/Target/AArch64/AArch64AsmPrinter.cpp @@ -281,6 +281,8 @@ void AArch64AsmPrinter...