diff options
Diffstat (limited to 'gcc/fold-const.cc')
| -rw-r--r-- | gcc/fold-const.cc | 32 |
1 files changed, 26 insertions, 6 deletions
diff --git a/gcc/fold-const.cc b/gcc/fold-const.cc index a4fb014..1275ef7 100644 --- a/gcc/fold-const.cc +++ b/gcc/fold-const.cc @@ -1284,6 +1284,13 @@ poly_int_binop (poly_wide_int &res, enum tree_code code, return false; break; + case BIT_AND_EXPR: + if (TREE_CODE (arg2) != INTEGER_CST + || !can_and_p (wi::to_poly_wide (arg1), wi::to_wide (arg2), + &res)) + return false; + break; + case BIT_IOR_EXPR: if (TREE_CODE (arg2) != INTEGER_CST || !can_ior_p (wi::to_poly_wide (arg1), wi::to_wide (arg2), @@ -7465,15 +7472,16 @@ fold_plusminus_mult_expr (location_t loc, enum tree_code code, tree type, return NULL_TREE; } -/* Subroutine of native_encode_expr. Encode the INTEGER_CST - specified by EXPR into the buffer PTR of length LEN bytes. + +/* Subroutine of native_encode_int. Encode the integer VAL with type TYPE + into the buffer PTR of length LEN bytes. Return the number of bytes placed in the buffer, or zero upon failure. */ -static int -native_encode_int (const_tree expr, unsigned char *ptr, int len, int off) +int +native_encode_wide_int (tree type, const wide_int_ref &val, + unsigned char *ptr, int len, int off) { - tree type = TREE_TYPE (expr); int total_bytes; if (TREE_CODE (type) == BITINT_TYPE) { @@ -7516,7 +7524,7 @@ native_encode_int (const_tree expr, unsigned char *ptr, int len, int off) int bitpos = byte * BITS_PER_UNIT; /* Extend EXPR according to TYPE_SIGN if the precision isn't a whole number of bytes. */ - value = wi::extract_uhwi (wi::to_widest (expr), bitpos, BITS_PER_UNIT); + value = wi::extract_uhwi (val, bitpos, BITS_PER_UNIT); if (total_bytes > UNITS_PER_WORD) { @@ -7537,6 +7545,18 @@ native_encode_int (const_tree expr, unsigned char *ptr, int len, int off) return MIN (len, total_bytes - off); } +/* Subroutine of native_encode_expr. Encode the INTEGER_CST + specified by EXPR into the buffer PTR of length LEN bytes. + Return the number of bytes placed in the buffer, or zero + upon failure. */ + +static int +native_encode_int (const_tree expr, unsigned char *ptr, int len, int off) +{ + return native_encode_wide_int (TREE_TYPE (expr), wi::to_widest (expr), + ptr, len, off); +} + /* Subroutine of native_encode_expr. Encode the FIXED_CST specified by EXPR into the buffer PTR of length LEN bytes. |