+2010-10-30 Nathan Froyd <froydnj@codesourcery.com>
+
+ * emit-rtl.c (mark_used_flags): New function.
+ (set_used_flags, reset_used_flags): Call it.
+
2010-10-30 Uros Bizjak <ubizjak@gmail.com>
PR middle-end/44569
2010-10-28 Nathan Froyd <froydnj@codesourcery.com>
+ * config/microblaze/microblaze-protos.h (function_arg): Delete.
+ (function_arg_advance): Delete.
+ * config/microblaze/microblaze.h (FUNCTION_ARG_ADVANCE): Delete.
+ (FUNCTION_ARG): Delete.
+ * config/microblaze/microblaze.c (function_arg_advance): Rename to...
+ (microblaze_function_arg_advance): ...this. Make static. Take a
+ const_tree and a bool.
+ (function-arg): Rename to...
+ (microblaze_function_arg): ...this. Make static. Take a const_tree
+ and a bool.
+ (microblaze_expand_prologue): Call targetm.calls.function_arg and
+ targetm.calls.function_arg_advance.
+ (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
+
+2010-10-28 Nathan Froyd <froydnj@codesourcery.com>
+
* score.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
2010-10-28 Nathan Froyd <froydnj@codesourcery.com>
return;
}
-/* Clear all the USED bits in X to allow copy_rtx_if_shared to be used
- to look for shared sub-parts. */
+/* Set the USED bit in X and its non-shareable subparts to FLAG. */
-void
-reset_used_flags (rtx x)
+static void
+mark_used_flags (rtx x, int flag)
{
int i, j;
enum rtx_code code;
break;
}
- RTX_FLAG (x, used) = 0;
+ RTX_FLAG (x, used) = flag;
format_ptr = GET_RTX_FORMAT (code);
length = GET_RTX_LENGTH (code);
x = XEXP (x, i);
goto repeat;
}
- reset_used_flags (XEXP (x, i));
+ mark_used_flags (XEXP (x, i), flag);
break;
case 'E':
for (j = 0; j < XVECLEN (x, i); j++)
- reset_used_flags (XVECEXP (x, i, j));
+ mark_used_flags (XVECEXP (x, i, j), flag);
break;
}
}
}
-/* Set all the USED bits in X to allow copy_rtx_if_shared to be used
+/* Clear all the USED bits in X to allow copy_rtx_if_shared to be used
to look for shared sub-parts. */
void
-set_used_flags (rtx x)
+reset_used_flags (rtx x)
{
- int i, j;
- enum rtx_code code;
- const char *format_ptr;
-
- if (x == 0)
- return;
-
- code = GET_CODE (x);
-
- /* These types may be freely shared so we needn't do any resetting
- for them. */
-
- switch (code)
- {
- case REG:
- case DEBUG_EXPR:
- case VALUE:
- case CONST_INT:
- case CONST_DOUBLE:
- case CONST_FIXED:
- case CONST_VECTOR:
- case SYMBOL_REF:
- case CODE_LABEL:
- case PC:
- case CC0:
- return;
-
- case DEBUG_INSN:
- case INSN:
- case JUMP_INSN:
- case CALL_INSN:
- case NOTE:
- case LABEL_REF:
- case BARRIER:
- /* The chain of insns is not being copied. */
- return;
-
- default:
- break;
- }
-
- RTX_FLAG (x, used) = 1;
+ mark_used_flags (x, 0);
+}
- format_ptr = GET_RTX_FORMAT (code);
- for (i = 0; i < GET_RTX_LENGTH (code); i++)
- {
- switch (*format_ptr++)
- {
- case 'e':
- set_used_flags (XEXP (x, i));
- break;
+/* Set all the USED bits in X to allow copy_rtx_if_shared to be used
+ to look for shared sub-parts. */
- case 'E':
- for (j = 0; j < XVECLEN (x, i); j++)
- set_used_flags (XVECEXP (x, i, j));
- break;
- }
- }
+void
+set_used_flags (rtx x)
+{
+ mark_used_flags (x, 1);
}
\f
/* Copy X if necessary so that it won't be altered by changes in OTHER.