This reverts commit 316b4099.

This didn't turn out to be that useful and just produced warnings in
gcc.

This reverts commit 0401d159.

This didn't turn out to be that useful and just produced warnings in
gcc.

This function was deleted in 2007!

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.