+Sun Apr 25 23:03:32 1999 Richard Henderson <rth@cygnus.com>
+
+ * stmt.c (expand_asm_operands): Reload in-out reg-only memory operands.
+
Sun Apr 25 13:06:13 1999 Richard Henderson <rth@cygnus.com>
* function.c (assign_parms/STACK_BYTES): Revert last change,
/* Vector of RTX's of evaluated output operands. */
rtx *output_rtx = (rtx *) alloca (noutputs * sizeof (rtx));
int *inout_opnum = (int *) alloca (noutputs * sizeof (int));
+ rtx *real_output_rtx = (rtx *) alloca (noutputs * sizeof (rtx));
enum machine_mode *inout_mode
= (enum machine_mode *) alloca (noutputs * sizeof (enum machine_mode));
/* The insn we have emitted. */
Make the asm insn write into that, then our caller will copy it to
the real output operand. Likewise for promoted variables. */
+ real_output_rtx[i] = NULL_RTX;
if ((TREE_CODE (val) == INDIRECT_REF
&& allows_mem)
|| (TREE_CODE_CLASS (TREE_CODE (val)) == 'd'
if (! allows_reg && GET_CODE (output_rtx[i]) != MEM)
error ("output number %d not directly addressable", i);
if (! allows_mem && GET_CODE (output_rtx[i]) == MEM)
- error ("output number %d not restored to memory", i);
+ {
+ real_output_rtx[i] = protect_from_queue (output_rtx[i], 1);
+ output_rtx[i] = gen_reg_rtx (GET_MODE (output_rtx[i]));
+ if (is_inout)
+ emit_move_insn (output_rtx[i], real_output_rtx[i]);
+ }
}
else
{
insn = emit_insn (body);
}
+ /* For any outputs that needed reloading into registers, spill them
+ back to where they belong. */
+ for (i = 0; i < noutputs; ++i)
+ if (real_output_rtx[i])
+ emit_move_insn (real_output_rtx[i], output_rtx[i]);
+
free_temp_slots ();
}
\f