if (XEXP (note, 0) == elim_i2 || XEXP (note, 0) == elim_i1)
break;
+ /* If the register is used in both I2 and I3 and it dies in I3,
+ we might have added another reference to it. If reg_n_refs
+ was 2, bump it to 3. This has to be correct since the
+ register must have been set somewhere. The reason this is
+ done is because local-alloc.c treats 2 references as a
+ special case. */
+
+ if (place == i3 && i2 != 0 && GET_CODE (XEXP (note, 0)) == REG
+ && reg_n_refs[REGNO (XEXP (note, 0))]== 2
+ && reg_referenced_p (XEXP (note, 0), PATTERN (i2)))
+ reg_n_refs[REGNO (XEXP (note, 0))] = 3;
+
if (place == 0)
for (tem = prev_nonnote_insn (i3);
tem && (GET_CODE (tem) == INSN
{
if (x && GET_CODE (x) == SUBREG)
x = alter_subreg (x);
+
+ /* If X is a pseudo-register, abort now rather than writing trash to the
+ assembler file. */
+
+ if (GET_CODE (x) == REG && REGNO (x) >= FIRST_PSEUDO_REGISTER)
+ abort ();
+
PRINT_OPERAND (asm_out_file, x, code);
}
for (i = 0; i < NUM_ELIMINABLE_REGS; i++)
{
INITIAL_ELIMINATION_OFFSET (reg_eliminate[i].from, reg_eliminate[i].to,
- reg_eliminate[i].initial_offset)
+ reg_eliminate[i].initial_offset);
reg_eliminate[i].previous_offset
= reg_eliminate[i].offset = reg_eliminate[i].initial_offset;
}