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Diffstat (limited to 'gcc/ChangeLog')
| -rw-r--r-- | gcc/ChangeLog | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 53fdc1d..3672398 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,25 @@ +2004-07-22 Brian Booth <bbooth@redhat.com> + + * tree-ssa-ccp.c (latticevalue): Add UNKNOWN_VAL. + (substitute_and_fold): Propigate into VUSE operands when possible. + (visit_phi_node): Handle UNKNOWN_VAL latticevalue. + (cp_lattice_meet): Handle merging of latticevalues when + UNKNOWN_VAL is present. + (visit_stmt): Visit assignments with V_MUST_DEFs. + (visit_assignment): Gather ccp information for V_MUST_DEF operands. + (ccp_fold): Deal with RHS' that are constant and virtual. + (evaluate_stmt): Handle UNKNOWN_VAL likely values. + (dump_lattice_value): Dump UNKNOWN_VAL latticevalues. + (initialize): Mark statements with V_MUST_DEFs as VARYING only if the + V_MUST_DEF operand is VARYING. Fix comment and include VOPS when + computing immediate uses. + (set_lattice_value): Disallow a UNKNOWN_VAL->UNDEFINED state + transition. + (replace_vuse_in): New function. + (likely_value): Add check of vuse operands. + (get_default_value): Set the default value of virtually defined + variables to UKNOWN_VAL instead of VARYING. + 2004-07-22 Richard Henderson <rth@redhat.com> * expr.c (emit_push_insn): Don't use set_mem_attributes. @@ -1492,6 +1514,7 @@ * collect2.c (main): Handle --no-demangle and --demangle flags. +>>>>>>> 2.4547 2004-07-13 Sebastian Pop <pop@cri.ensmp.fr> * Makefile.in (OBJS-common): Add tree-data-ref.o. |