diff options
Diffstat (limited to 'gcc')
| -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) |