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-rw-r--r--gcc/config/riscv/riscv.cc13
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. */