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| author | Zhenqiang Chen <zhenqiang.chen@arm.com> | 2014-10-21 03:38:37 +0000 |
|---|---|---|
| committer | Zhenqiang Chen <zqchen@gcc.gnu.org> | 2014-10-21 03:38:37 +0000 |
| commit | 11204b2de523611cf7f1135aa5ff1cfb1bb11001 (patch) | |
| tree | 095a9c0fd61d03f3ccb70c3d847baf69add08e2e /gcc/rtlanal.c | |
| parent | eb1da98ac659b13a43deed26f424c83f8da92d1d (diff) | |
| download | gcc-11204b2de523611cf7f1135aa5ff1cfb1bb11001.zip gcc-11204b2de523611cf7f1135aa5ff1cfb1bb11001.tar.gz gcc-11204b2de523611cf7f1135aa5ff1cfb1bb11001.tar.bz2 | |
cfgloopanal.c (seq_cost): Delete.
2014-10-21 Zhenqiang Chen <zhenqiang.chen@arm.com>
* cfgloopanal.c (seq_cost): Delete.
* rtl.h (seq_cost): New prototype.
* rtlanal.c (seq_cost): New function.
* tree-ssa-loop-ivopts.c (seq_cost): Delete.
From-SVN: r216501
Diffstat (limited to 'gcc/rtlanal.c')
| -rw-r--r-- | gcc/rtlanal.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/gcc/rtlanal.c b/gcc/rtlanal.c index 75362e4..6459238 100644 --- a/gcc/rtlanal.c +++ b/gcc/rtlanal.c @@ -5051,6 +5051,26 @@ insn_rtx_cost (rtx pat, bool speed) return cost > 0 ? cost : COSTS_N_INSNS (1); } +/* Returns estimate on cost of computing SEQ. */ + +unsigned +seq_cost (const rtx_insn *seq, bool speed) +{ + unsigned cost = 0; + rtx set; + + for (; seq; seq = NEXT_INSN (seq)) + { + set = single_set (seq); + if (set) + cost += set_rtx_cost (set, speed); + else + cost++; + } + + return cost; +} + /* Given an insn INSN and condition COND, return the condition in a canonical form to simplify testing by callers. Specifically: |