[PATCH] ARM don't require a frame-pointer for arm-elf.

[Richard Earnshaw]

Now that we have Dwarf unwind information we no-longer need a frame
pointer for gdb to be able to unpick a stack.  As a consequence we can
eliminate this overhead and save about 1.8% of code size (as measured on
CSiBE).  I've only done this for arm-elf, other configurations will stay
as they are for now.

Tested on arm-elf cross.  No regressions.

2004-07-09  Richard Earnshaw  <rearnsha@arm.com>

	* arm/unknown-elf.h (TARGET_DEFAULT): Don't require an APCS frame
	pointer.


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