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| author | Vladimir Makarov <vmakarov@redhat.com> | 2014-03-28 15:27:58 +0000 |
|---|---|---|
| committer | Vladimir Makarov <vmakarov@gcc.gnu.org> | 2014-03-28 15:27:58 +0000 |
| commit | a4971e68935654be575c76864b954a80c94d6c42 (patch) | |
| tree | 204028c15c937ba36953d0e2a4dd188e33c2a946 /gcc/lra-assigns.c | |
| parent | 2486c24a8c2b1b603899e99c7424784de976f8d2 (diff) | |
| download | gcc-a4971e68935654be575c76864b954a80c94d6c42.zip gcc-a4971e68935654be575c76864b954a80c94d6c42.tar.gz gcc-a4971e68935654be575c76864b954a80c94d6c42.tar.bz2 | |
re PR target/60675 ([aarch64] internal compiler error: Max. number of generated reload insns per insn is achieved (90))
2014-03-28 Vladimir Makarov <vmakarov@redhat.com>
PR target/60675
* lra-assigns.c (find_hard_regno_for): Remove unavailable hard
regs from checking multi-reg pseudos.
2014-03-28 Vladimir Makarov <vmakarov@redhat.com>
PR target/60675
* gcc.target/aarch64/pr60675.C: New.
From-SVN: r208900
Diffstat (limited to 'gcc/lra-assigns.c')
| -rw-r--r-- | gcc/lra-assigns.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/gcc/lra-assigns.c b/gcc/lra-assigns.c index cba8b8f..f7bb86b 100644 --- a/gcc/lra-assigns.c +++ b/gcc/lra-assigns.c @@ -473,7 +473,7 @@ find_hard_regno_for (int regno, int *cost, int try_only_hard_regno, enum reg_class rclass; bitmap_iterator bi; bool *rclass_intersect_p; - HARD_REG_SET impossible_start_hard_regs; + HARD_REG_SET impossible_start_hard_regs, available_regs; COPY_HARD_REG_SET (conflict_set, lra_no_alloc_regs); rclass = regno_allocno_class_array[regno]; @@ -586,6 +586,8 @@ find_hard_regno_for (int regno, int *cost, int try_only_hard_regno, biggest_nregs = hard_regno_nregs[hard_regno][biggest_mode]; nregs_diff = (biggest_nregs - hard_regno_nregs[hard_regno][PSEUDO_REGNO_MODE (regno)]); + COPY_HARD_REG_SET (available_regs, reg_class_contents[rclass]); + AND_COMPL_HARD_REG_SET (available_regs, lra_no_alloc_regs); for (i = 0; i < rclass_size; i++) { if (try_only_hard_regno >= 0) @@ -601,9 +603,9 @@ find_hard_regno_for (int regno, int *cost, int try_only_hard_regno, && (nregs_diff == 0 || (WORDS_BIG_ENDIAN ? (hard_regno - nregs_diff >= 0 - && TEST_HARD_REG_BIT (reg_class_contents[rclass], + && TEST_HARD_REG_BIT (available_regs, hard_regno - nregs_diff)) - : TEST_HARD_REG_BIT (reg_class_contents[rclass], + : TEST_HARD_REG_BIT (available_regs, hard_regno + nregs_diff)))) { if (hard_regno_costs_check[hard_regno] |