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| author | Walter Lee <walt@tilera.com> | 2016-11-19 02:34:17 +0000 |
|---|---|---|
| committer | Walter Lee <walt@gcc.gnu.org> | 2016-11-19 02:34:17 +0000 |
| commit | aa8df486e8b539609f9fcd6579a3dba6fa3f4267 (patch) | |
| tree | 6e4703ff5b636ed28c4837991c061bb532614da9 | |
| parent | 814049be46390dc4fb5c938abf13619b38e696d8 (diff) | |
| download | gcc-aa8df486e8b539609f9fcd6579a3dba6fa3f4267.zip gcc-aa8df486e8b539609f9fcd6579a3dba6fa3f4267.tar.gz gcc-aa8df486e8b539609f9fcd6579a3dba6fa3f4267.tar.bz2 | |
TILE-Gx: Fix bundling when encountering consecutive barriers.
* config/tilegx/tilegx.c (tilegx_gen_bundles): Preserve
end-of-bundle marker for consecutive barriers.
From-SVN: r242617
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/tilegx/tilegx.c | 7 |
2 files changed, 10 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 13b60c2..1efd5fa 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,10 @@ 2016-11-18 Walter Lee <walt@tilera.com> + * config/tilegx/tilegx.c (tilegx_gen_bundles): Preserve + end-of-bundle marker for consecutive barriers. + +2016-11-18 Walter Lee <walt@tilera.com> + * config/tilegx/tilegx.md (clzsi2): Fix for big-endian. 2016-11-18 Jakub Jelinek <jakub@redhat.com> diff --git a/gcc/config/tilegx/tilegx.c b/gcc/config/tilegx/tilegx.c index 76a7455..0403e8e 100644 --- a/gcc/config/tilegx/tilegx.c +++ b/gcc/config/tilegx/tilegx.c @@ -4469,8 +4469,7 @@ tilegx_gen_bundles (void) rtx_insn *end = NEXT_INSN (BB_END (bb)); prev = NULL; - for (insn = next_insn_to_bundle (BB_HEAD (bb), end); insn; - prev = insn, insn = next) + for (insn = next_insn_to_bundle (BB_HEAD (bb), end); insn; insn = next) { next = next_insn_to_bundle (NEXT_INSN (insn), end); @@ -4506,7 +4505,11 @@ tilegx_gen_bundles (void) PUT_MODE (prev, QImode); } delete_insn (insn); + + // Note: prev remains the same for next iteration. } + else + prev = insn; } } } |