+2010-11-24 Nathan Froyd <froydnj@codesourcery.com>
+
+ * cppbuiltin.c (define_builtin_macros_for_type_sizes): Define
+ __FLOAT_WORD_ORDER__ according to FLOAT_WORDS_BIG_ENDIAN.
+ * config/dfp-bit.h (LIBGCC2_FLOAT_WORDS_BIG_ENDIAN): Delete.
+ * doc/cpp.texi (__FLOAT_WORD_ORDER__): Document.
+ * system.h (LIBGCC2_FLOAT_WORDS_BIG_ENDIAN): Poison.
+
+2010-11-24 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR target/46519
+ * config/i386/i386.c (ix86_expand_call): Don't check
+ TREE_THIS_VOLATILE.
+
+2010-11-24 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR target/46519
+ * config/i386/i386.c (upper_128bits_state): New.
+ (block_info_def): Remove upper_128bits_set and done. Add state,
+ referenced, count, processed and rescanned.
+ (check_avx256_stores): Updated.
+ (move_or_delete_vzeroupper_2): Updated. Handle deleted BB_END.
+ Call note_stores only if needed. Set referenced and count.
+ (move_or_delete_vzeroupper_1): Updated. Set rescan_vzeroupper_p.
+ (rescan_move_or_delete_vzeroupper): New.
+ (move_or_delete_vzeroupper): Process and rescan all all basic
+ blocks instead of predecessor blocks of all exit points.
+ (ix86_option_override_internal): Enable vzeroupper optimization
+ only for -fexpensive-optimizations and not optimizing for size.
+ (use_avx256_p): Removed.
+ (init_cumulative_args): Don't set use_avx256_p.
+ (ix86_function_arg): Likewise.
+ (ix86_expand_move): Likewise.
+ (ix86_expand_vector_move_misalign): Likewise.
+ (ix86_local_alignment): Likewise.
+ (ix86_minimum_alignment): Likewise.
+ (ix86_expand_epilogue): Don't check use_avx256_p when generating
+ vzeroupper.
+ (ix86_expand_call): Likewise.
+
+ * config/i386/i386.h (machine_function): Remove use_vzeroupper_p
+ and use_avx256_p. Add rescan_vzeroupper_p.
+
+2010-11-24 Joseph Myers <joseph@codesourcery.com>
+
+ * toplev.c: Include <signal.h>.
+
2010-11-24 Richard Guenther <rguenther@suse.de>
PR lto/43218
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