2007-01-05  Richard Guenther  <rguenther@suse.de>

	PR middle-end/27826
	* tree.c (get_narrower): Do not construct COMPONENT_REFs
	with mismatched types.  Instead explicitly build a
	conversion NOP_EXPR.

2007-01-05  Jakub Jelinek  <jakub@redhat.com>

	PR c/30360
	* libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
	denom against 0.0.

2007-01-03  Jakub Jelinek  <jakub@redhat.com>

	* unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
	(struct _Unwind_Context): Rename args_size to flags, remove
	signal_frame field, add a new args_size field and version field.
	(_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
	_Unwind_IsExtendedContext): New inline functions.
	(_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
	Assume by_value array is only present if _Unwind_IsExtendedContext.
	(_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
	_Unwind_IsSignalFrame.
	(__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
	(uw_update_context_1): Use _Unwind_SetSignalFrame.
	(uw_init_context_1): Initialize context->flags to
	EXTENDED_CONTEXT_BIT.
	* config/rs6000/linux-unwind.h (frob_update_context): Use
	_Unwind_SetSignalFrame.

2007-01-01  Mike Stump  <mrs@apple.com>

	* configure.ac: Remove support for building with Apple's gcc-3.1.

2007-01-01  Andreas Schwab  <schwab@suse.de>

	PR target/29166
	* config/ia64/ia64.c (ia64_compute_frame_size): Account space for
	save of BR0 in extra_spill_size instead of spill_size.
	(ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
	area.
	(ia64_expand_epilogue): Restore BR0 from its new location.

