diff options
Diffstat (limited to 'gcc/config/riscv/bitmanip.md')
| -rw-r--r-- | gcc/config/riscv/bitmanip.md | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/gcc/config/riscv/bitmanip.md b/gcc/config/riscv/bitmanip.md index b29c127..5ed5e18 100644 --- a/gcc/config/riscv/bitmanip.md +++ b/gcc/config/riscv/bitmanip.md @@ -80,7 +80,9 @@ (match_operand:DI 3 "consecutive_bits_operand")) 0) (subreg:SI (match_operand:DI 4 "register_operand") 0))))] "TARGET_64BIT && TARGET_ZBA - && riscv_shamt_matches_mask_p (INTVAL (operands[2]), INTVAL (operands[3]))" + && riscv_shamt_matches_mask_p (INTVAL (operands[2]), INTVAL (operands[3])) + /* Ensure the mask includes all the bits in SImode. */ + && ((INTVAL (operands[3]) & (HOST_WIDE_INT_1U << 31)) != 0)" [(set (match_dup 0) (plus:DI (ashift:DI (match_dup 1) (match_dup 2)) (match_dup 4))) (set (match_dup 0) (zero_extend:DI (subreg:SI (match_dup 0) 0)))]) |