diff options
Diffstat (limited to 'gcc/config/riscv/bitmanip.md')
| -rw-r--r-- | gcc/config/riscv/bitmanip.md | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/gcc/config/riscv/bitmanip.md b/gcc/config/riscv/bitmanip.md index ccda25c01c1..ad3ad758959 100644 --- a/gcc/config/riscv/bitmanip.md +++ b/gcc/config/riscv/bitmanip.md @@ -50,11 +50,11 @@ (sign_extend:DI (div:SI (plus:SI (ashift:SI (subreg:SI (match_operand:DI 1 "register_operand") 0) (match_operand:QI 2 "imm123_operand")) (subreg:SI (match_operand:DI 3 "register_operand") 0)) - (subreg:SI (match_operand:DI 4 "register_operand") 0)))) + (match_operand:SI 4 "register_operand")))) (clobber (match_operand:DI 5 "register_operand"))] "TARGET_64BIT && TARGET_ZBA" [(set (match_dup 5) (plus:DI (ashift:DI (match_dup 1) (match_dup 2)) (match_dup 3))) - (set (match_dup 0) (sign_extend:DI (div:SI (subreg:SI (match_dup 5) 0) (subreg:SI (match_dup 4) 0))))]) + (set (match_dup 0) (sign_extend:DI (div:SI (subreg:SI (match_dup 5) 0) (match_dup 4))))]) ; Zba does not provide W-forms of sh[123]add(.uw)?, which leads to an ; interesting irregularity: we can generate a signed 32-bit result @@ -722,13 +722,14 @@ (define_split [(set (match_operand:X 0 "register_operand") (and:X (not:X (lshiftrt:X (match_operand:X 1 "register_operand") - (subreg:QI (match_operand:X 2 "register_operand") 0))) + (match_operand:QI 2 "register_operand"))) (const_int 1)))] "TARGET_ZBS" [(set (match_dup 0) (zero_extract:X (match_dup 1) (const_int 1) (match_dup 2))) - (set (match_dup 0) (xor:X (match_dup 0) (const_int 1)))]) + (set (match_dup 0) (xor:X (match_dup 0) (const_int 1)))] + "operands[2] = gen_lowpart (<MODE>mode, operands[2]);") ;; We can create a polarity-reversed mask (i.e. bit N -> { set = 0, clear = -1 }) ;; using a bext(i) followed by an addi instruction. |