diff options
| author | vmakarov <vmakarov@138bc75d-0d04-0410-961f-82ee72b054a4> | 2015-01-19 20:13:35 +0000 |
|---|---|---|
| committer | vmakarov <vmakarov@138bc75d-0d04-0410-961f-82ee72b054a4> | 2015-01-19 20:13:35 +0000 |
| commit | dcf572482a0bdd2b2a2d57a8efaca8840fb8049e (patch) | |
| tree | 796f5bb985ee0bc073046132190ceb1006d5bafb /gcc/lra-remat.c | |
| parent | 1f465ccdc444e0324fdf469ec2af2a62abcf8af1 (diff) | |
| download | gcc-dcf572482a0bdd2b2a2d57a8efaca8840fb8049e.tar.gz | |
2015-01-19 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/64671
* lra-remat.c (operand_to_remat): Don't consider jump and call
insns.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@219857 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/lra-remat.c')
| -rw-r--r-- | gcc/lra-remat.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/lra-remat.c b/gcc/lra-remat.c index 68146a11100..de5081a739a 100644 --- a/gcc/lra-remat.c +++ b/gcc/lra-remat.c @@ -413,6 +413,9 @@ operand_to_remat (rtx_insn *insn) struct lra_static_insn_data *static_id = id->insn_static_data; struct lra_insn_reg *reg, *found_reg = NULL; + /* Don't rematerialize insns which can change PC. */ + if (JUMP_P (insn) || CALL_P (insn)) + return -1; /* First find a pseudo which can be rematerialized. */ for (reg = id->regs; reg != NULL; reg = reg->next) /* True FRAME_POINTER_NEEDED might be because we can not follow |