113,128c113,134
< @@ -110,6 +110,7 @@
<      tty->print_cr ("         Compute Liveness:    %7.3f s", timers[_t_computeLive].seconds());
<      tty->print_cr ("         Regalloc Split:      %7.3f s", timers[_t_regAllocSplit].seconds());
<      tty->print_cr ("         Postalloc Copy Rem:  %7.3f s", timers[_t_postAllocCopyRemoval].seconds());
< +    tty->print_cr ("         Merge multidefs:     %7.3f s", timers[_t_mergeMultidefs].seconds());
<      tty->print_cr ("         Fixup Spills:        %7.3f s", timers[_t_fixupSpills].seconds());
<      tty->print_cr ("         Compact:             %7.3f s", timers[_t_chaitinCompact].seconds());
<      tty->print_cr ("         Coalesce 1:          %7.3f s", timers[_t_chaitinCoalesce1].seconds());
< @@ -126,6 +127,7 @@
<         timers[_t_computeLive].seconds() +
<         timers[_t_regAllocSplit].seconds() +
<         timers[_t_postAllocCopyRemoval].seconds() +
< +       timers[_t_mergeMultidefs].seconds() +
<         timers[_t_fixupSpills].seconds() +
<         timers[_t_chaitinCompact].seconds() +
<         timers[_t_chaitinCoalesce1].seconds() +
---
> @@ -74,6 +74,7 @@
>  elapsedTimer   Phase::_t_computeLive;
>  elapsedTimer   Phase::_t_regAllocSplit;
>  elapsedTimer   Phase::_t_postAllocCopyRemoval;
> +elapsedTimer   Phase::_t_mergeMultidefs;
>  elapsedTimer   Phase::_t_fixupSpills;
>
>  // Subtimers for _t_output
> @@ -136,11 +137,12 @@
>      tty->print_cr ("      computeLive    : %3.3f sec", Phase::_t_computeLive.seconds());
>      tty->print_cr ("      regAllocSplit  : %3.3f sec", Phase::_t_regAllocSplit.seconds());
>      tty->print_cr ("      postAllocCopyRemoval: %3.3f sec", Phase::_t_postAllocCopyRemoval.seconds());
> +    tty->print_cr ("      mergeMultidefs: %3.3f sec", Phase::_t_mergeMultidefs.seconds());
>      tty->print_cr ("      fixupSpills    : %3.3f sec", Phase::_t_fixupSpills.seconds());
>      double regalloc_subtotal = Phase::_t_ctorChaitin.seconds() +
>        Phase::_t_buildIFGphysical.seconds() + Phase::_t_computeLive.seconds() +
>        Phase::_t_regAllocSplit.seconds()    + Phase::_t_fixupSpills.seconds() +
> -      Phase::_t_postAllocCopyRemoval.seconds();
> +      Phase::_t_postAllocCopyRemoval.seconds() + Phase::_t_mergeMultidefs.seconds();
>      double percent_of_regalloc = ((regalloc_subtotal == 0.0) ? 0.0 : (regalloc_subtotal / Phase::_t_registerAllocation.seconds() * 100.0));
>      tty->print_cr ("      subtotal       : %3.3f sec,  %3.2f %%", regalloc_subtotal, percent_of_regalloc);
>    }
132,139c138,145
< @@ -88,6 +88,7 @@
<        _t_computeLive,
<        _t_regAllocSplit,
<        _t_postAllocCopyRemoval,
< +      _t_mergeMultidefs,
<        _t_fixupSpills,
<        _t_chaitinCompact,
<        _t_chaitinCoalesce1,
---
> @@ -109,6 +109,7 @@
>    static elapsedTimer   _t_computeLive;
>    static elapsedTimer   _t_regAllocSplit;
>    static elapsedTimer   _t_postAllocCopyRemoval;
> +  static elapsedTimer   _t_mergeMultidefs;
>    static elapsedTimer   _t_fixupSpills;
>
>  // Subtimers for _t_output
178c184
< +  Compile::TracePhase tp("mergeMultidefs", &timers[_t_mergeMultidefs]);
---
> +  NOT_PRODUCT( Compile::TracePhase t3("mergeMultidefs", &_t_mergeMultidefs, TimeCompiler); )
223c229
< +        merge = new MachMergeNode(def);
---
> +        merge = new (C) MachMergeNode(def);