+2011-05-25 Eric Botcazou <ebotcazou@adacore.com>
+
+ * common.opt (flag_stack_usage_info): New variable.
+ (-Wstack-usage): New option.
+ * doc/invoke.texi (Warning options): Document -Wstack-usage.
+ * opts.c (common_handle_option) <OPT_Wstack_usage_>: New case.
+ <OPT_fstack_usage>: Likewise.
+ * toplev.c (output_stack_usage): Handle -Wstack-usage.
+ * calls.c (expand_call): Test flag_stack_usage_info variable instead
+ of flag_stack_usage.
+ (emit_library_call_value_1): Likewise.
+ * explow.c (allocate_dynamic_stack_space): Likewise.
+ * function.c (instantiate_virtual_regs ): Likewise.
+ (prepare_function_start): Likewise.
+ (rest_of_handle_thread_prologue_and_epilogue): Likewise.
+ * config/alpha/alpha.c (alpha_expand_prologue): Likewise.
+ * config/arm/arm.c (arm_expand_prologue): Likewise.
+ (thumb1_expand_prologue): Likewise.
+ * config/avr/avr.c (expand_prologue): Likewise.
+ * config/i386/i386.c (ix86_expand_prologue): Likewise.
+ * config/ia64/ia64.c (ia64_expand_prologue): Likewise.
+ * config/m68k/m68k.c (m68k_expand_prologue): Likewise.
+ * config/mips/mips.c (mips_expand_prologue): Likewise.
+ * config/pa/pa.c (hppa_expand_prologue): Likewise.
+ * config/rs6000/rs6000.c (rs6000_emit_prologue): Likewise.
+ * config/s390/s390.c (s390_emit_prologue): Likewise.
+ * config/sh/sh.c (sh_expand_prologue): Likewise.
+ * config/sparc/sparc.c (sparc_expand_prologue): Likewise.
+ * config/spu/spu.c (spu_expand_prologue): Likewise.
+
+2011-05-25 Richard Guenther <rguenther@suse.de>
+
+ * gimple.c (iterative_hash_canonical_type): Skip non-FIELD_DECLs.
+ (gimple_canonical_types_compatible_p): Likewise.
+
+2011-05-25 Jan Hubicka <jh@suse.cz>
+
+ PR middle-end/49062
+ * ipa.c (function_and_variable_visibility): Only add to same
+ comdat group list if DECL_ONE_ONLY.
+
+2011-05-25 Andrey Belevantsev <abel@ispras.ru>
+
+ PR rtl-optimization/49014
+ * config/i386/athlon.md (athlon_ssecomi): Change type to ssecomi.
+
+2011-05-25 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/49128
+ * config/i386/driver-i386.c (host_detect_local_cpu): Fix a typo.
+
+2011-05-24 Vladimir Makarov <vmakarov@redhat.com>
+
+ PR rtl-optimization/48757
+ * ira-build.c (loop_with_eh_edge_p): Rename to
+ loop_with_complex_edge_p, check edges on complexity, make function
+ conditional.
+ (mark_loops_for_removal): Make call of loop_with_complex_edge_p
+ conditional.
+
+2011-05-24 Eric Botcazou <ebotcazou@adacore.com>
+
+ * config/sparc/sparc.c (sparc_option_override): If not set by the user,
+ force flag_ira_share_save_slots to 0.
+
+2011-05-24 Eric Botcazou <ebotcazou@adacore.com>
+
+ * var-tracking.c (compute_cfa_pointer): Adjust head comment.
+ (vt_initialize): Set PROLOGUE_BB unconditionally.
+ Add block comment about CFA_BASE_RTX machinery.
+ Reset FP_CFA_OFFSET to -1 on all invalid paths.
+ Call vt_init_cfa_base only if FP_CFA_OFFSET isn't equal to -1.
+
2011-05-24 Nicola Pero <nicola.pero@meta-innovation.com>
PR objc/48187