PR middle-end/32602
PR middle-end/32603
* calls.c (store_one_arg): Handle arguments which are partially
on the stack when detecting argument overlap.
2007-07-06 Josh Conner <jconner@apple.com>
PR middle-end/32602
* gcc.dg/sibcall-8.c: New test.
2007-07-06 Josh Conner <jconner@apple.com>
PR middle-end/32603
* gcc.target/arm/sibcall-1.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@126422
138bc75d-0d04-0410-961f-
82ee72b054a4
+2007-07-06 Josh Conner <jconner@apple.com>
+
+ PR middle-end/32602
+ PR middle-end/32603
+ * calls.c (store_one_arg): Handle arguments which are partially
+ on the stack when detecting argument overlap.
+
2007-07-06 Bernd Schmidt <bernd.schmidt@analog.com>
* reload1.c (choose_reload_regs): Set reload_spill_index for regs
/* expand_call should ensure this. */
gcc_assert (!arg->locate.offset.var
+ && arg->locate.size.var == 0
&& GET_CODE (size_rtx) == CONST_INT);
if (arg->locate.offset.constant > i)
}
else if (arg->locate.offset.constant < i)
{
- if (i < arg->locate.offset.constant + INTVAL (size_rtx))
+ /* Use arg->locate.size.constant instead of size_rtx
+ because we only care about the part of the argument
+ on the stack. */
+ if (i < (arg->locate.offset.constant
+ + arg->locate.size.constant))
+ sibcall_failure = 1;
+ }
+ else
+ {
+ /* Even though they appear to be at the same location,
+ if part of the outgoing argument is in registers,
+ they aren't really at the same location. Check for
+ this by making sure that the incoming size is the
+ same as the outgoing size. */
+ if (arg->locate.size.constant != INTVAL (size_rtx))
sibcall_failure = 1;
}
}
+2007-07-06 Josh Conner <jconner@apple.com>
+
+ PR middle-end/32602
+ * gcc.dg/sibcall-8.c: New test.
+
+2007-07-06 Josh Conner <jconner@apple.com>
+
+ PR middle-end/32603
+ * gcc.target/arm/sibcall-1.c: New test.
+
2007-07-06 H.J. Lu <hongjiu.lu@intel.com>
* gcc.dg/dfp/convert-dfp-round-thread.c: New test.
--- /dev/null
+/* { dg-do run } */
+/* { dg-options "-O2 -foptimize-sibling-calls" } */
+
+typedef struct {
+ int data[4];
+} arr16_t;
+
+int result = 0;
+
+void func2(int i, int j, arr16_t arr)
+{
+ result = (arr.data[0] != 1
+ || arr.data[1] != 2
+ || arr.data[2] != 3
+ || arr.data[3] != 4);
+}
+
+void func1(int i, int j, int k, arr16_t a)
+{
+ func2(i, j, a);
+}
+
+int main(int argc, const char *argv[])
+{
+ arr16_t arr = {{1, 2, 3, 4}};
+
+ func1(0, 0, 0, arr);
+ return result;
+}
+
--- /dev/null
+/* { dg-do compile { target { arm32 } } } */
+/* { dg-options "-O2" } */
+
+#define noinline __attribute__((noinline))
+
+typedef struct {
+ int data[4];
+} arr16_t;
+
+int result = 0;
+
+void noinline func2 (int i, int j, arr16_t arr)
+{
+ result = (arr.data[0] != 1
+ || arr.data[1] != 2
+ || arr.data[2] != 3
+ || arr.data[3] != 4);
+}
+
+void func1 (int i, int j, int k, int l, int m, int n, arr16_t a)
+{
+ func2(i, j, a);
+}
+
+int main(int argc, const char *argv[])
+{
+ arr16_t arr = {{1, 2, 3, 4}};
+
+ func1(0, 0, 0, 0, 0, 0, arr);
+ return result;
+}
+
+/* { dg-final { scan-assembler "\tb\tfunc2\n" } } */
+