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| author | Magnus Lång <[email protected]> | 2016-03-17 21:48:55 +0100 |
|---|---|---|
| committer | Magnus Lång <[email protected]> | 2016-08-30 17:17:59 +0200 |
| commit | c7a0cd1b5710178878d9b240f634e9eda7e68d96 (patch) | |
| tree | b287178ec0495d089857287df7e78b1ca119422c /lib/hipe/x86/hipe_x86_ra.erl | |
| parent | dc4e9384c6f2f733ab0d12727ab53238bda3fbca (diff) | |
| download | otp-c7a0cd1b5710178878d9b240f634e9eda7e68d96.tar.gz otp-c7a0cd1b5710178878d9b240f634e9eda7e68d96.tar.bz2 otp-c7a0cd1b5710178878d9b240f634e9eda7e68d96.zip | |
hipe: Reuse liveness info for spillmin
For x86, additionally reuse liveness from float LSRA for the GP LSRA.
Diffstat (limited to 'lib/hipe/x86/hipe_x86_ra.erl')
| -rw-r--r-- | lib/hipe/x86/hipe_x86_ra.erl | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/lib/hipe/x86/hipe_x86_ra.erl b/lib/hipe/x86/hipe_x86_ra.erl index 2e97b07e5d..3af333ab4b 100644 --- a/lib/hipe/x86/hipe_x86_ra.erl +++ b/lib/hipe/x86/hipe_x86_ra.erl @@ -49,7 +49,11 @@ code_size(CFG) -> ra(CFG0, Options) -> %% hipe_x86_cfg:pp(CFG0), - {CFG1, Coloring_fp, SpillIndex} = ra_fp(CFG0, Options), + {CFG1, Coloring_fp, SpillIndex, Liveness} = + case ra_fp(CFG0, Options) of + {G, C, I} -> {G, C, I, undefined}; + {_,_,_,_}=T -> T + end, %% hipe_x86_cfg:pp(CFG1), ?start_ra_instrumentation(Options, code_size(CFG1), @@ -63,7 +67,7 @@ ra(CFG0, Options) -> graph_color -> ra(CFG1, SpillIndex, Options, hipe_graph_coloring_regalloc); linear_scan -> - ?HIPE_X86_RA_LS:ra(CFG1, SpillIndex, Options); + ?HIPE_X86_RA_LS:ra(CFG1, Liveness, SpillIndex, Options); naive -> ?HIPE_X86_RA_NAIVE:ra(CFG1, Coloring_fp, Options); _ -> |