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Hi, I am attempting to modify LLVM to generate code for an architecture which is nearly identical to X86-64, but with a few minor differences. In particular, "call" must always have a register operand, and cannot have a memory operand. Any ideas on how I can express this rule? Thanks, - David -------------- next part -------------- An HTML attachment was scrubbed... URL:

On Tue, Jun 8, 2010 at 2:05 PM, David Meyer <pdox at google.com> wrote: > Hi, > I am attempting to modify LLVM to generate code for an architecture which is > nearly identical to X86-64, but with a few minor differences. > In particular, "call" must always have a register operand, and cannot have a > memory operand. Any ideas on how I can express this rule? Just get

...t get rid of the pattern for matching the CALL64m instruction, or > make it require a target feature your target doesn't have. > > -Eli > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20100608/f6456814/attachment.html>