2014-02-19 Robert Dewar <dewar@adacore.com>

2014-02-19  Robert Dewar  <dewar@adacore.com>

	* exp_util.adb: Update comments.

2014-02-19  Doug Rupp  <rupp@adacore.com>

	* bindgen.adb (Gen_Adainit) [VMS] New global Float_Format.
	* init.c (__gl_float_format): [VMS] New global.
	(__gnat_set_features): Call FP_CONTROL to set FPSR for the float
	representation in effect.

2014-02-19  Hristian Kirtchev  <kirtchev@adacore.com>

	* exp_ch6.adb Add with and use clause for Exp_Prag.
	(Expand_Contract_Cases): Relocated to Exp_Prag.
	* exp_ch6.ads (Expand_Contract_Cases): Relocated to Exp_Prag.
	* exp_prag.adb Add with and use clauses for Checks and Validsw.
	(Expand_Contract_Cases): Relocated from Exp_Ch6. Update the
	structure of the expanded code to showcase the evaluation of
	attribute 'Old prefixes. Add local variable Old_Evals. Expand
	any attribute 'Old references found within a consequence. Add
	circuitry to evaluate the prefixes of attribute 'Old that
	belong to a selected consequence.
	(Expand_Old_In_Consequence): New routine.
	* exp_prag.ads (Expand_Contract_Cases): Relocated from Exp_Ch6.
	* sem_attr.adb (Check_Use_In_Contract_Cases): Warn that a
	potentially unevaluated prefix is always evaluated.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@207891 138bc75d-0d04-0410-961f-82ee72b054a4