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| author | Ben Cheng <bccheng@google.com> | 2014-04-22 13:33:12 -0700 |
|---|---|---|
| committer | Ben Cheng <bccheng@google.com> | 2014-04-22 13:33:12 -0700 |
| commit | e3cc64dec20832769406aa38cde83c7dd4194bf4 (patch) | |
| tree | ef8e39be37cfe0cb69d850043b7924389ff17164 /gcc-4.9/gcc/haifa-sched.c | |
| parent | f33c7b3122b1d7950efa88067c9a156229ba647b (diff) | |
| download | toolchain_gcc-e3cc64dec20832769406aa38cde83c7dd4194bf4.tar.gz toolchain_gcc-e3cc64dec20832769406aa38cde83c7dd4194bf4.tar.bz2 toolchain_gcc-e3cc64dec20832769406aa38cde83c7dd4194bf4.zip | |
[4.9] GCC 4.9.0 official release refresh
Change-Id: Ic99a7da8b44b789a48aeec93b33e93944d6e6767
Diffstat (limited to 'gcc-4.9/gcc/haifa-sched.c')
| -rw-r--r-- | gcc-4.9/gcc/haifa-sched.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/gcc-4.9/gcc/haifa-sched.c b/gcc-4.9/gcc/haifa-sched.c index e0d467497..2d66e5cab 100644 --- a/gcc-4.9/gcc/haifa-sched.c +++ b/gcc-4.9/gcc/haifa-sched.c @@ -20,7 +20,7 @@ along with GCC; see the file COPYING3. If not see <http://www.gnu.org/licenses/>. */ /* Instruction scheduling pass. This file, along with sched-deps.c, - contains the generic parts. The actual entry point is found for + contains the generic parts. The actual entry point for the normal instruction scheduling pass is found in sched-rgn.c. We compute insn priorities based on data dependencies. Flow @@ -77,12 +77,12 @@ along with GCC; see the file COPYING3. If not see Before reload, an extended analysis of interblock data dependences is required for interblock scheduling. This is performed in - compute_block_backward_dependences (). + compute_block_dependences (). Dependencies set up by memory references are treated in exactly the same way as other dependencies, by using insn backward dependences INSN_BACK_DEPS. INSN_BACK_DEPS are translated into forward dependences - INSN_FORW_DEPS the purpose of forward list scheduling. + INSN_FORW_DEPS for the purpose of forward list scheduling. Having optimized the critical path, we may have also unduly extended the lifetimes of some registers. If an operation requires |