@@ -1816,6 +1816,16 @@ do { \
#define BRANCH_COST(speed_p, predictable_p) \
(!(speed_p) ? 2 : (predictable_p) ? 0 : ix86_branch_cost)
+/* An integer expression for the size in bits of the largest integer machine
+ mode that should actually be used. We allow pairs of registers. */
+#define MAX_FIXED_MODE_SIZE GET_MODE_BITSIZE (TARGET_64BIT ? TImode : DImode)
+
+/* Union with XFmode must be in BLKmode. */
+#define MEMBER_TYPE_FORCES_BLK(FIELD, MODE) \
+ ((MODE) == XFmode \
+ && (TREE_CODE (DECL_FIELD_CONTEXT (FIELD)) == UNION_TYPE \
+ || TREE_CODE (DECL_FIELD_CONTEXT (FIELD)) == QUAL_UNION_TYPE))
+
/* Define this macro as a C expression which is nonzero if accessing
less than a word of memory (i.e. a `char' or a `short') is no
faster than accessing a word of memory, i.e., if such access
new file mode 100644
@@ -0,0 +1,26 @@
+/* Check that 128-bit struct's are represented as TImode values. */
+/* { dg-do compile { target int128 } } */
+/* { dg-options "-O2 -fdump-rtl-expand" } */
+
+struct shared_ptr_struct
+{
+ unsigned long long phase:48;
+ unsigned short thread:16;
+ union
+ {
+ void *addr;
+ unsigned long long pad;
+ };
+};
+typedef struct shared_ptr_struct sptr_t;
+
+sptr_t S;
+
+sptr_t
+sptr_result (void)
+{
+ return S;
+}
+/* { dg-final { scan-rtl-dump "\\\(set \\\(reg:TI \[0-9\]* \\\[ <retval> \\\]\\\)" "expand" } } */
+/* { dg-final { scan-rtl-dump "\\\(set \\\(reg/i:TI 0 ax\\\)" "expand" } } */
+/* { dg-final { cleanup-rtl-dump "expand" } } */
new file mode 100644
@@ -0,0 +1,24 @@
+/* Check that 128-bit struct's are represented as TImode values. */
+/* { dg-do compile { target int128 } } */
+/* { dg-options "-O2 -fdump-rtl-expand" } */
+
+struct shared_ptr_struct
+{
+ unsigned long long phase:48;
+ unsigned short thread:16;
+ union
+ {
+ void *addr;
+ unsigned long long pad;
+ };
+};
+typedef struct shared_ptr_struct sptr_t;
+
+void
+copy_sptr (sptr_t *dest, sptr_t src)
+{
+ *dest = src;
+}
+
+/* { dg-final { scan-rtl-dump "\\\(set \\\(reg:TI \[0-9\]*" "expand" } } */
+/* { dg-final { cleanup-rtl-dump "expand" } } */
new file mode 100644
@@ -0,0 +1,27 @@
+/* Check that 128-bit struct's are represented as TImode values. */
+/* { dg-do compile { target int128 } } */
+/* { dg-options "-O2 -fdump-rtl-expand" } */
+
+struct shared_ptr_struct
+{
+ unsigned long long phase:48;
+ unsigned short thread:16;
+ union
+ {
+ void *addr;
+ unsigned long long pad;
+ };
+};
+typedef struct shared_ptr_struct sptr_t;
+
+sptr_t sptr_1, sptr_2;
+
+void
+copy_sptr (void)
+{
+ sptr_1 = sptr_2;
+}
+
+/* { dg-final { scan-rtl-dump "\\\(set \\\(reg:TI \[0-9\]*" "expand" } } */
+/* { dg-final { scan-rtl-dump "\\\(set \\\(mem/c:TI" "expand" } } */
+/* { dg-final { cleanup-rtl-dump "expand" } } */