Chris Browne wrote:
I suspect there's something about PASCAL that's a problem, as clang is
nominally supposed to be a C compiler ;-).
"Pascal" refers to a way of different way of pushing things onto the stack when calling things; there's "Pascal order" and "c order" when you call a function, each approach has its good and bad sides. There's work in progress to support different calling conventions including Pascal order for LLVM at http://nondot.org/sabre/LLVMNotes/CustomCallingConventions.txt . At this point, supporting different call conventions is supported in LLVM 1.5: http://llvm.org/releases/1.5/docs/LangRef.html#callingconv but it doesn't look like the syntax to support the Pascal one has made it in there yet. Probably requires a fairly small patch to LLVM now that the main infrastructure is available.

Don't know if it's feasible to rip all the Pascal convention code out PostgreSQL, that's the other approach.

--
Greg Smith    2ndQuadrant   Baltimore, MD
PostgreSQL Training, Services and Support
g...@2ndquadrant.com  www.2ndQuadrant.com


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