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| author | Claudiu Zissulescu <claziss@synopsys.com> | 2017-08-31 16:35:47 +0200 |
|---|---|---|
| committer | Claudiu Zissulescu <claziss@gcc.gnu.org> | 2017-08-31 16:35:47 +0200 |
| commit | 28f4ff35247bb085d5de9816c6ced4dc4e14269e (patch) | |
| tree | 17f923893dcbf0dcfacfafd2474ead8689c6ef24 /gcc | |
| parent | 9f532472da3e506db3609ebb03cff3d5f20f7353 (diff) | |
| download | gcc-28f4ff35247bb085d5de9816c6ced4dc4e14269e.zip gcc-28f4ff35247bb085d5de9816c6ced4dc4e14269e.tar.gz gcc-28f4ff35247bb085d5de9816c6ced4dc4e14269e.tar.bz2 | |
[ARC] Update can_follow_jump hook helper.
Short branches cannot be used to jump between hot/cold
sections. Update the hook.
gcc/
2017-04-26 Claudiu Zissulescu <claziss@synopsys.com>
* config/arc/arc.c (arc_can_follow_jump): Check for short
branches.
From-SVN: r251566
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/arc/arc.c | 3 |
2 files changed, 8 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index c0e032b..cf1e005 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,10 @@ 2017-08-31 Claudiu Zissulescu <claziss@synopsys.com> + * config/arc/arc.c (arc_can_follow_jump): Check for short + branches. + +2017-08-31 Claudiu Zissulescu <claziss@synopsys.com> + * config.gcc: Use g.opt for arc. * config/arc/arc.c (LEGITIMATE_SCALED_ADDRESS_P): Deleted, functionality moved to ... diff --git a/gcc/config/arc/arc.c b/gcc/config/arc/arc.c index 4dcac18..bc73a59 100644 --- a/gcc/config/arc/arc.c +++ b/gcc/config/arc/arc.c @@ -9845,6 +9845,9 @@ arc_can_follow_jump (const rtx_insn *follower, const rtx_insn *followee) if (CROSSING_JUMP_P (followee)) switch (get_attr_type (u.r)) { + case TYPE_BRANCH: + if (get_attr_length (u.r) != 2) + break; case TYPE_BRCC: case TYPE_BRCC_NO_DELAY_SLOT: return false; |