diff options
| author | Diego Novillo <dnovillo@cygnus.com> | 1999-11-02 14:41:16 +0000 |
|---|---|---|
| committer | Diego Novillo <dnovillo@gcc.gnu.org> | 1999-11-02 09:41:16 -0500 |
| commit | 96e9c98d59cc40bbb51480fb408fb63919fc55c7 (patch) | |
| tree | 94345228dcacfa02d4973a3b74e9be4da8c30b14 /gcc/resource.c | |
| parent | df548dfc027a72a8bb296155fdddea513b31241b (diff) | |
| download | gcc-96e9c98d59cc40bbb51480fb408fb63919fc55c7.tar.gz | |
resource.c (mark_target_live_regs): For unconditional branches...
* resource.c (mark_target_live_regs): For unconditional branches,
the resources found at the branch target should be added to the
resources found so far, not intersected.
From-SVN: r30349
Diffstat (limited to 'gcc/resource.c')
| -rw-r--r-- | gcc/resource.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/gcc/resource.c b/gcc/resource.c index 1dc830f933f..b857312d4d0 100644 --- a/gcc/resource.c +++ b/gcc/resource.c @@ -1030,8 +1030,8 @@ mark_target_live_regs (insns, target, res) /* If we hit an unconditional branch, we have another way of finding out what is live: we can see what is live at the branch target and include - anything used but not set before the branch. The only things that are - live are those that are live using the above test and the test below. */ + anything used but not set before the branch. We add the live + resources found using the test below to those found until now. */ if (jump_insn) { @@ -1055,7 +1055,7 @@ mark_target_live_regs (insns, target, res) mark_set_resources (insn, &set, 0, 1); } - AND_HARD_REG_SET (res->regs, new_resources.regs); + IOR_HARD_REG_SET (res->regs, new_resources.regs); } if (tinfo != NULL) |