diff options
Diffstat (limited to 'lib/hipe/regalloc/hipe_regalloc_loop.erl')
| -rw-r--r-- | lib/hipe/regalloc/hipe_regalloc_loop.erl | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/lib/hipe/regalloc/hipe_regalloc_loop.erl b/lib/hipe/regalloc/hipe_regalloc_loop.erl index 5bbb0ba7c1..5d32073437 100644 --- a/lib/hipe/regalloc/hipe_regalloc_loop.erl +++ b/lib/hipe/regalloc/hipe_regalloc_loop.erl @@ -32,9 +32,11 @@ ra_fp(CFG, Liveness, Options, RegAllocMod, TargetMod, TargetCtx) -> ra_common(CFG0, Liveness0, SpillIndex, Options, RegAllocMod, TargetMod, TargetCtx) -> ?inc_counter(ra_calls_counter, 1), - SpillLimit0 = TargetMod:number_of_temporaries(CFG0, TargetCtx), + {CFG1, Liveness1} = + do_range_split(CFG0, Liveness0, TargetMod, TargetCtx, Options), + SpillLimit0 = TargetMod:number_of_temporaries(CFG1, TargetCtx), {Coloring, _, CFG, Liveness} = - call_allocator_initial(CFG0, Liveness0, SpillLimit0, SpillIndex, Options, + call_allocator_initial(CFG1, Liveness1, SpillLimit0, SpillIndex, Options, RegAllocMod, TargetMod, TargetCtx), %% The first iteration, the hipe_regalloc_prepass may create new temps, these %% should not end up above SpillLimit. @@ -96,3 +98,12 @@ call_allocator(CFG, Liveness, SpillLimit, SpillIndex, Options, RegAllocMod, RegAllocMod:regalloc(CFG, Liveness, SpillIndex, SpillLimit, TargetMod, TargetCtx, Options) end. + +do_range_split(CFG0, Liveness, TgtMod, TgtCtx, Options) -> + case proplists:get_bool(ra_restore_reuse, Options) of + true -> + CFG1 = hipe_restore_reuse:split(CFG0, Liveness, TgtMod, TgtCtx), + {CFG1, TgtMod:analyze(CFG1, TgtCtx)}; + false -> + {CFG0, Liveness} + end. |