diff options
| -rw-r--r-- | gcc/config/loongarch/loongarch.cc | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/gcc/config/loongarch/loongarch.cc b/gcc/config/loongarch/loongarch.cc index c8502b0..48d9ccd 100644 --- a/gcc/config/loongarch/loongarch.cc +++ b/gcc/config/loongarch/loongarch.cc @@ -160,7 +160,7 @@ enum loongarch_load_imm_method struct loongarch_integer_op { enum rtx_code code; - unsigned HOST_WIDE_INT value; + HOST_WIDE_INT value; enum loongarch_load_imm_method method; }; @@ -1468,7 +1468,7 @@ loongarch_build_integer (struct loongarch_integer_op *codes, unsigned int cost = 0; /* Get the lower 32 bits of the value. */ - HOST_WIDE_INT low_part = TARGET_64BIT ? value << 32 >> 32 : value; + HOST_WIDE_INT low_part = (int32_t)value; if (IMM12_OPERAND (low_part) || IMM12_OPERAND_UNSIGNED (low_part)) { @@ -1502,6 +1502,7 @@ loongarch_build_integer (struct loongarch_integer_op *codes, bool lu52i[2] = {(value & LU52I_B) == 0, (value & LU52I_B) == LU52I_B}; int sign31 = (value & (1UL << 31)) >> 31; + int sign51 = (value & (1UL << 51)) >> 51; /* Determine whether the upper 32 bits are sign-extended from the lower 32 bits. If it is, the instructions to load the high order can be ommitted. */ @@ -1512,12 +1513,12 @@ loongarch_build_integer (struct loongarch_integer_op *codes, else if (lu32i[sign31]) { codes[cost].method = METHOD_LU52I; - codes[cost].value = (value >> 52) << 52; + codes[cost].value = value & LU52I_B; return cost + 1; } codes[cost].method = METHOD_LU32I; - codes[cost].value = ((value << 12) >> 44) << 32; + codes[cost].value = (value & LU32I_B) | (sign51 ? LU52I_B : 0); cost++; /* Determine whether the 52-61 bits are sign-extended from the low order, @@ -1525,7 +1526,7 @@ loongarch_build_integer (struct loongarch_integer_op *codes, if (!lu52i[(value & (1ULL << 51)) >> 51]) { codes[cost].method = METHOD_LU52I; - codes[cost].value = (value >> 52) << 52; + codes[cost].value = value & LU52I_B; cost++; } } |