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[Patch,Aarch64] Make frame grow downwards

From: Christophe Lyon <christophe dot lyon at linaro dot org>
To: "gcc-patches at gcc dot gnu dot org" <gcc-patches at gcc dot gnu dot org>
Date: Fri, 28 Jun 2013 13:41:18 +0200
Subject: [Patch,Aarch64] Make frame grow downwards

Hi,
Following the discussion on
http://gcc.gnu.org/ml/gcc/2013-05/msg00208.html
here is a patch to change the frame direction.

Passed 'make check' with no regression on aarch64-none-linux-gnu and
with a few UNSUPPORTED -> PASS on aarch64-none-elf (pr34225, pr38616,
pr38902, pr40971, pr46440, pr47766, pr49307, all of which are guarded
by dg-require-effective-target fstack_protector).

OK for trunk?

Thanks,

Christophe.
2013-06-28  Christophe Lyon  <christophe.lyon@linaro.org>

* config/aarch64/aarch64.h (FRAME_GROWS_DOWNWARD): Define to 1.
* config/aarch64/aarch64.c (aarch64_initial_elimination_offset):
Add get_frame_size () when eliminating frame pointer.

Attachment: aarch64-frame.txt
Description: Text document

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