diff options
| author | Vladimir Makarov <vmakarov@redhat.com> | 2018-02-16 18:17:09 +0000 |
|---|---|---|
| committer | Vladimir Makarov <vmakarov@gcc.gnu.org> | 2018-02-16 18:17:09 +0000 |
| commit | 16ba97b9eb8b1db41b9aa1fdaae764653698cf26 (patch) | |
| tree | aab26e3a1041c2cd8abc6151c1d44047bb4b00de /gcc/lra-constraints.c | |
| parent | 71a21b9eacacd3875408f38971177e7ecc960386 (diff) | |
| download | gcc-16ba97b9eb8b1db41b9aa1fdaae764653698cf26.tar.gz | |
re PR rtl-optimization/70023 (ICE: in assign_by_spills, at lra-assigns.c:1417/8 with -fschedule-insns)
2018-02-16 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/70023
* lra-constraints.c (inherit_in_ebb): Take hard reg mode of
src_regno into account.
2018-02-16 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/70023
* gcc.target/i386/pr70023.c: New.
From-SVN: r257751
Diffstat (limited to 'gcc/lra-constraints.c')
| -rw-r--r-- | gcc/lra-constraints.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/gcc/lra-constraints.c b/gcc/lra-constraints.c index 9d22da232f4..d730f36fba0 100644 --- a/gcc/lra-constraints.c +++ b/gcc/lra-constraints.c @@ -6346,7 +6346,13 @@ inherit_in_ebb (rtx_insn *head, rtx_insn *tail) PSEUDO_REGNO_MODE (src_regno), reg_renumber[src_regno]); } - add_next_usage_insn (src_regno, use_insn, reloads_num); + if (src_regno >= FIRST_PSEUDO_REGISTER) + add_next_usage_insn (src_regno, use_insn, reloads_num); + else + { + for (i = 0; i < hard_regno_nregs (src_regno, reg->biggest_mode); i++) + add_next_usage_insn (src_regno + i, use_insn, reloads_num); + } } } /* Process used call regs. */ |