diff options
Diffstat (limited to 'gas/expr.h')
| -rw-r--r-- | gas/expr.h | 28 |
1 files changed, 11 insertions, 17 deletions
@@ -37,7 +37,7 @@ NOTE: This enumeration must match the op_rank array in expr.c. */ -typedef enum +typedef enum operatorT { /* An illegal expression. */ O_illegal, @@ -122,19 +122,15 @@ typedef struct expressionS /* A number to add. */ offsetT X_add_number; - /* The type of the expression. We can't assume that an arbitrary - compiler can handle a bitfield of enum type. FIXME: We could - check this using autoconf. */ -#ifdef __GNUC__ - operatorT X_op : 8; -#else - unsigned char X_op; -#endif - - /* Non-zero if X_add_number should be regarded as unsigned. This is - only valid for O_constant expressions. It is only used when an - O_constant must be extended into a bignum (i.e., it is not used - when performing arithmetic on these values). + /* The type of the expression. */ + ENUM_BITFIELD (operatorT) X_op : 8; + + /* Non-zero if the expression value should be regarded as unsigned. This is + only valid for + - O_constant expressions, where it is only used when an O_constant must be + extended into a bignum (i.e., it is not used when performing arithmetic + on these values), + - O_big integer expressions, i.e. when X_add_number is positive. FIXME: This field is not set very reliably. */ unsigned int X_unsigned : 1; /* This is used to implement "word size + 1 bit" arithmetic, so that e.g. @@ -143,9 +139,7 @@ typedef struct expressionS signed word. */ unsigned int X_extrabit : 1; - /* 7 additional bits can be defined if needed. */ - - /* Machine dependent field */ + /* Machine dependent field. */ unsigned short X_md; } expressionS; |