diff options
| author | Zhenqiang Chen <zhenqiang.chen@linaro.org> | 2014-06-19 09:04:58 +0000 |
|---|---|---|
| committer | Zhenqiang Chen <zqchen@gcc.gnu.org> | 2014-06-19 09:04:58 +0000 |
| commit | 61fc05c74a1c4f5baf2c4cecb147e2fa39603d6a (patch) | |
| tree | de84af461bdf6d01a6a92bf7b325adfe54cc9054 | |
| parent | dbb73879ff2eaa8ce0b33d946f7fe1aff15aa7d2 (diff) | |
| download | gcc-61fc05c74a1c4f5baf2c4cecb147e2fa39603d6a.zip gcc-61fc05c74a1c4f5baf2c4cecb147e2fa39603d6a.tar.gz gcc-61fc05c74a1c4f5baf2c4cecb147e2fa39603d6a.tar.bz2 | |
loop-invariant.c (get_inv_cost): Skip invariants, which are marked as "move", from depends_on.
2014-06-19 Zhenqiang Chen <zhenqiang.chen@linaro.org>
* loop-invariant.c (get_inv_cost): Skip invariants, which are marked
as "move", from depends_on.
From-SVN: r211818
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/loop-invariant.c | 4 |
2 files changed, 9 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 2d22cde..d5ac634 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2014-06-19 Zhenqiang Chen <zhenqiang.chen@linaro.org> + + * loop-invariant.c (get_inv_cost): Skip invariants, which are marked + as "move", from depends_on. + 2014-06-19 Terry Guo <terry.guo@arm.com> * config/arm/thumb1.md (define_split): Split 64bit constant in earlier diff --git a/gcc/loop-invariant.c b/gcc/loop-invariant.c index 898a431..f683d8c 100644 --- a/gcc/loop-invariant.c +++ b/gcc/loop-invariant.c @@ -1136,6 +1136,10 @@ get_inv_cost (struct invariant *inv, int *comp_cost, unsigned *regs_needed) dep = invariants[depno]; + /* If DEP is moved out of the loop, it is not a depends_on any more. */ + if (dep->move) + continue; + get_inv_cost (dep, &acomp_cost, aregs_needed); if (! flag_ira_loop_pressure) |