diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/config/riscv/riscv.cc | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/gcc/config/riscv/riscv.cc b/gcc/config/riscv/riscv.cc index 8320069..2a7b438 100644 --- a/gcc/config/riscv/riscv.cc +++ b/gcc/config/riscv/riscv.cc @@ -703,13 +703,18 @@ riscv_split_integer (HOST_WIDE_INT val, machine_mode mode) unsigned HOST_WIDE_INT hival = sext_hwi ((val - loval) >> 32, 32); rtx hi = gen_reg_rtx (mode), lo = gen_reg_rtx (mode); - riscv_move_integer (hi, hi, hival, mode); riscv_move_integer (lo, lo, loval, mode); - hi = gen_rtx_fmt_ee (ASHIFT, mode, hi, GEN_INT (32)); - hi = force_reg (mode, hi); + if (loval == hival) + hi = gen_rtx_ASHIFT (mode, lo, GEN_INT (32)); + else + { + riscv_move_integer (hi, hi, hival, mode); + hi = gen_rtx_ASHIFT (mode, hi, GEN_INT (32)); + } - return gen_rtx_fmt_ee (PLUS, mode, hi, lo); + hi = force_reg (mode, hi); + return gen_rtx_PLUS (mode, hi, lo); } /* Return true if X is a thread-local symbol. */ |