projects / packages / gcc.git / blame
| Commit | Line | Data |
|---|---|---|
| d56c4166 PS |
1 | 2005-11-30 Paolo Bonzini <bonzini@gnu.org> |
| 2 | ||
| 3 | * config/rs6000/predicates.md (logical_const_operand): Split | |
| 4 | out of logical_operand. | |
| 5 | (logical_operand): Use it. | |
| 6 | * config/rs6000/rs6000.md (cmp -> xor peephole2): Use | |
| 7 | logical_const_operand. | |
| 8 | ||
| 9 | --- gcc/gcc/config/rs6000/predicates.md (revision 107455) | |
| 10 | +++ gcc/gcc/config/rs6000/predicates.md (working copy) | |
| 11 | @@ -411,16 +411,13 @@ | |
| 12 | (match_test "!CONST_OK_FOR_LETTER_P (INTVAL (op), 'I') | |
| 13 | && !CONST_OK_FOR_LETTER_P (INTVAL (op), 'L')"))) | |
| 14 | ||
| 15 | -;; Return 1 if the operand is a non-special register or a constant that | |
| 16 | -;; can be used as the operand of an OR or XOR. | |
| 17 | -(define_predicate "logical_operand" | |
| 18 | - (match_code "reg,subreg,const_int,const_double") | |
| 19 | +;; Return 1 if the operand is a constant that can be used as the operand | |
| 20 | +;; of an OR or XOR. | |
| 21 | +(define_predicate "logical_const_operand" | |
| 22 | + (match_code "const_int,const_double") | |
| 23 | { | |
| 24 | HOST_WIDE_INT opl, oph; | |
| 25 | ||
| 26 | - if (gpc_reg_operand (op, mode)) | |
| 27 | - return 1; | |
| 28 | - | |
| 29 | if (GET_CODE (op) == CONST_INT) | |
| 30 | { | |
| 31 | opl = INTVAL (op) & GET_MODE_MASK (mode); | |
| 32 | @@ -445,7 +442,13 @@ | |
| 33 | || (opl & ~ (unsigned HOST_WIDE_INT) 0xffff0000) == 0); | |
| 34 | }) | |
| 35 | ||
| 36 | +;; Return 1 if the operand is a non-special register or a constant that | |
| 37 | +;; can be used as the operand of an OR or XOR. | |
| 38 | +(define_predicate "logical_operand" | |
| 39 | + (ior (match_operand 0 "gpc_reg_operand") | |
| 40 | + (match_operand 0 "logical_const_operand"))) | |
| 41 | + | |
| 42 | ;; Return 1 if op is a constant that is not a logical operand, but could | |
| 43 | ;; be split into one. | |
| 44 | (define_predicate "non_logical_cint_operand" | |
| 45 | (and (match_code "const_int,const_double") | |
| 46 | --- gcc/gcc/config/rs6000/rs6000.md (revision 107455) | |
| 47 | +++ gcc/gcc/config/rs6000/rs6000.md (working copy) | |
| 48 | @@ -11283,10 +11283,10 @@ | |
| 49 | ||
| 50 | (define_peephole2 | |
| 51 | [(set (match_operand:SI 0 "register_operand") | |
| 52 | - (match_operand:SI 1 "logical_operand" "")) | |
| 53 | + (match_operand:SI 1 "logical_const_operand" "")) | |
| 54 | (set (match_dup 0) (match_operator:SI 3 "boolean_or_operator" | |
| 55 | [(match_dup 0) | |
| 56 | - (match_operand:SI 2 "logical_operand" "")])) | |
| 57 | + (match_operand:SI 2 "logical_const_operand" "")])) | |
| 58 | (set (match_operand:CC 4 "cc_reg_operand" "") | |
| 59 | (compare:CC (match_operand:SI 5 "gpc_reg_operand" "") | |
| 60 | (match_dup 0))) |