static int next_qty;
-/* Indexed by quantity number, gives the first (or last) (pseudo) register
+/* Indexed by quantity number, gives the first (or last) register
in the chain of registers that currently contain this quantity. */
static int *qty_first_reg;
static rtx this_insn;
-/* Index by (pseudo) register number, gives the quantity number
+/* Index by register number, gives the quantity number
of the register's current contents. */
static int *reg_qty;
-/* Index by (pseudo) register number, gives the number of the next (or
- previous) (pseudo) register in the chain of registers sharing the same
+/* Index by register number, gives the number of the next (or
+ previous) register in the chain of registers sharing the same
value.
Or -1 if this register is at the end of the chain.
static int *reg_next_eqv;
static int *reg_prev_eqv;
-/* Index by (pseudo) register number, gives the number of times
+/* Index by register number, gives the number of times
that register has been altered in the current basic block. */
static int *reg_tick;
-/* Index by (pseudo) register number, gives the reg_tick value at which
+/* Index by register number, gives the reg_tick value at which
rtx's containing this register are valid in the hash table.
If this does not equal the current reg_tick value, such expressions
existing in the hash table are invalid.