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This allows us to properly implement the OS X calling conventions.

In case there also was a Shrs(x, 31),
CSE can be applied after instruction selection.

This fixes opt/loadstore9.c

This fixes opt/loadstore8.c.
Though it does not correct all cases.
More work is needed here.

Otherwise the node directly produces the flags result.
This fixes backend/destam_flags4.c.

This resolves and out of bounds access.

pointer modes have irma_tows_complement as well and I don't see why we
shouldn't allow performing tarval operations on them like this.

This fixes xaos-formulas.c in the firm-testsuite.

ia32: Simply make the fpcw caller (and callee) saved, so we do not need a special case when generating a call.

'mov $~0x80000000, %r; ror x, %r' is shorter than 'mov $0x80000000, %r; shr x, %r; not %r'.

'Or' cannot have float mode.

'mov $~1, %r; rol x, %r' is shorter than 'mov $1, %r; shl x, %r; not %r'.

The verifier has been broken and therefore unused for a while, remove it
for now.

At least __builtin_return_address(0) with -fomit-frame-pointer works
again (the variant with frame pointer is still broken).

'thunk' is the current and default style to get the ip.
'pop' is the old way using 'call base; base: pop %reg'.

Simply always set the registers of all outputs of the new Add.

The comment, stating that ia32_finish_irg_walker() starts more walks, is stale.
Therefore it is not necessary to first collect all nodes with a walker and then apply ia32_finish_irg_walker().

This fixes opt/fehler315.c

This fixes backend/chordal3.c.

This fixes backend/sparc_stackframe.

This fixes x86code/fehler132.c.