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PROPOSAL: targetm.expand_tree_builtin hook
- From: Ziemowit Laski <zlaski at apple dot com>
- To: gcc List <gcc at gcc dot gnu dot org>
- Date: Mon, 10 May 2004 12:18:16 -0700
- Subject: PROPOSAL: targetm.expand_tree_builtin hook
It already lives in the apple-ppc-branch, but I thought it might be of
more general interest.
The hook would be invoked from c-common.c:expand_tree_builtin, and
would facilitate
target-specific, eager (i.e., the moment you see the function call)
TREE-to-TREE transformations.
On Darwin, we use it construct so-called "constant CFStrings", and I'm
about to hook up
__builtin_altivec_compiletime_error to it as well (since using the RTL
targetm.expand_builtin
hook is too little, too late).
Would there be interest (on behalf of the powers that be) in me
whipping up such a patch for the mainline?
Thanks,
--Zem
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Ziemowit Laski 1 Infinite Loop, MS 301-2K
Mac OS X Compiler Group Cupertino, CA USA 95014-2083
Apple Computer, Inc. +1.408.974.6229 Fax .5477