2007-10-31 Sebastian Pop <sebastian.pop@amd.com>

[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog

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+2007-10-31  Sebastian Pop  <sebastian.pop@amd.com>
+
+       PR tree-optimization/32377
+       * tree-data-ref.c (compute_overlap_steps_for_affine_univar): Make it
+       work also for unknown number of iterations.
+       (analyze_subscript_affine_affine): Clean up.  Don't fail when the 
+       number of iterations is not known.
+
+2007-10-31  Richard Guenther  <rguenther@suse.de>
+
+       PR middle-end/33779
+       * fold-const.c (extract_muldiv_1): Make sure to not introduce
+       new undefined integer overflow.
+       (fold_binary): Avoid useless conversion.
+
+2007-10-31  Richard Sandiford  <rsandifo@nildram.co.uk>
+
+       PR target/33948
+       * config/mips/mips.c (mips_fpr_return_fields): Fix SCALAR_TYPE_P
+       check.
+
+2007-10-31  Andreas Krebbel  <krebbel1@de.ibm.com>
+
+       * config/rs6000/rs6000.opt: Rename -mdfp option to -mhard-dfp.
+
+       * config/s390/s390.c: (override_options): Replace -mhard-dfp/-msoft-dfp
+       with -mhard-dfp/-mno-hard-dfp.
+       * config/s390/s390.opt: Likewise.
+       * config/s390/s390.h: Add MASK_HARD_DFP to the TARGET_DEFAULT
+       definition.
+
 2007-10-30  Janis Johnson  <janis187@us.ibm.com>
 
        * tree-ssa.c (execute_update_addresses_taken): Initialize update_vops.