[Patch, fortran] [57..59/66] inline sum and product: Prevent regressions: Fix {min, max}{loc, val}

[Mikael Morin]

Patches 58 and 59 fix the {min,max}loc and {min,max}val intrinsics which use
multiple loops. See the comments in the patches for details.
Patch 57 avoids duplicated offset calculation in the code generated.
OK?
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2011-10-19  Mikael Morin  <mikael@gcc.gnu.org>

	* trans-intrinsic.c (gfc_conv_intrinsic_minmaxloc): Don't calculate
	offset twice in generated code.
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2011-10-19  Mikael Morin  <mikael@gcc.gnu.org>

	* trans-intrinsic.c (gfc_conv_intrinsic_minmaxloc): Set loop's
	temporary rank to the loop rank. Mark ss chains for multiple loop
	if necessary.  Use gfc_trans_scalarized_loop_boundary to end one loop
	and start another.
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2011-10-19  Mikael Morin  <mikael@gcc.gnu.org>

	* trans-intrinsic.c (gfc_conv_intrinsic_minmaxval): Set loop's
	temporary rank to the loop rank. Mark ss chains for multiple loop
	if necessary.  Use gfc_trans_scalarized_loop_boundary to end one loop
	and start another.
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