+2012-04-12 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/52943
+ * tree-chrec.h (chrec_is_positive): Remove.
+ * tree-scalar-evolution.c (chrec_is_positive): Move ...
+ * tree-data-ref.c (chrec_is_positive): ... here. Make static.
+ Return false for a constant zero instead of negative.
+ (analyze_siv_subscript_cst_affine): Handle zero difference
+ in the initial condition explicitely.
+
+2012-04-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ PR middle-end/52894
+ * varasm.c (process_pending_assemble_externals): Set
+ pending_assemble_externals_processed true.
+ (assemble_external): Call assemble_external_real if the pending
+ assemble externals have been processed.
+
+2012-04-09 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR target/52717
+ * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
+ the DECL generated for the special GOT helper.
+
+2012-04-06 Walter Lee <walt@tilera.com>
+
+ Backport from mainline
+ 2012-03-07 Walter Lee <walt@tilera.com>
+
+ * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
+ REG_CFA_* notes for the stack pointer.
+ (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
+ EH_RETURN_STACKADJ_RTX.
+ * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
+ generate REG_CFA_* notes for the stack pointer.
+ (tilepro_expand_epilogue): Restore stack pointer by adjusting it
+ by EH_RETURN_STACKADJ_RTX.
+
+2012-04-06 Matt Turner <mattst88@gmail.com>
+
+ * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
+
+2012-04-06 Eric Botcazou <ebotcazou@adacore.com>
+
+ * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
+ of the destination isn't also a FP_REGS register.
+
+2012-04-03 Richard Guenther <rguenther@suse.de>
+
+ Backport from mainline
+ 2012-03-02 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/52406
+ * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
+ (struct indices): Add unconstrained_base member.
+ (struct dr_alias): Remove unused vops member.
+ (DR_UNCONSTRAINED_BASE): New define.
+ * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
+ add indices to allow their disambiguation. Make DR_BASE_OBJECT
+ be an artificial access that covers the whole indexed object,
+ or mark it with DR_UNCONSTRAINED_BASE if we cannot do so. Canonicalize
+ plain decl base-objects to their MEM_REF variant.
+ (dr_may_alias_p): When the base-object of either data reference
+ has unknown size use only points-to information.
+ (compute_affine_dependence): Make dumps easier to read and
+ more verbose.
+ * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
+ DR_REF when looking for packed references.
+ (vect_supportable_dr_alignment): Likewise.
+
+2012-04-03 Richard Guenther <rguenther@suse.de>
+
+ Backport from mainline
+ 2012-03-15 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/52580
+ * tree-data-ref.c (subscript_dependence_tester_1): Check
+ all dimensions for non-conflicting access functions.
+
2012-04-03 Richard Guenther <rguenther@suse.de>
Backport from mainline
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