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[Ada] Directly emit binary representation of Vax float

From: Arnaud Charlet <charlet at adacore dot com>
To: gcc-patches at gcc dot gnu dot org
Cc: Tristan Gingold <gingold at adacore dot com>
Date: Tue, 6 Nov 2012 05:11:29 -0500
Subject: [Ada] Directly emit binary representation of Vax float

Code generation for emitting a vax float is improved: instead of calling a
runtime routine, the binary representation is directly emitted.
No functionnal change (and also VMS specific).

Tested on x86_64-pc-linux-gnu, committed on trunk

2012-11-06  Tristan Gingold  <gingold@adacore.com>

	* fe.h (Get_Vax_Real_Literal_As_Signed): Declare.
	* eval_fat.adb, eval_fat.ads (Decompose_Int): Move spec in package spec.
	* exp_vfpt.adb, exp_vfpt.ads (Vax_Real_Literal_As_Signed): New function.
	(Expand_Vax_Real_Literal): Remove.
	* exp_ch2.adb (Expand_N_Real_Literal): Do nothing.
	* sem_eval.adb (Expr_Value_R): Remove special Vax float case,
	as this is not anymore a special case.

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