r172400 - in /branches/gcc-4_6-branch/gcc: Chan...

[danglin@gcc.gnu.org]

Author: danglin
Date: Wed Apr 13 22:36:59 2011
New Revision: 172400

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=172400
Log:
	Backport from mainline:
	2011-04-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR target/48366
	* config/pa/pa.c (hppa_register_move_cost): Increase to 18 cost of
	move from floating point to shift amount register .
	(emit_move_sequence): Remove secondary reload support for floating
	point to shift amount amount register copies.
	(pa_secondary_reload): Return GENERAL_REGS for floating point/shift
	amount register copies.
	* config/pa/pa32-regs.h (HARD_REGNO_MODE_OK): For shift amount
	register, return false if mode isn't a scalar integer mode.
	* config/pa/pa64-regs.h (HARD_REGNO_MODE_OK): Likewise.


Modified:
    branches/gcc-4_6-branch/gcc/ChangeLog
    branches/gcc-4_6-branch/gcc/config/pa/pa.c
    branches/gcc-4_6-branch/gcc/config/pa/pa32-regs.h
    branches/gcc-4_6-branch/gcc/config/pa/pa64-regs.h