@@ -222,6 +222,7 @@ static int sh_mode_after (int, int, rtx_insn *);
static int sh_mode_entry (int);
static int sh_mode_exit (int);
static int sh_mode_priority (int entity, int n);
+static bool sh_lra_p (void);
static rtx mark_constant_pool_use (rtx);
static tree sh_handle_interrupt_handler_attribute (tree *, tree, tree,
@@ -620,6 +621,9 @@ static const struct attribute_spec sh_attribute_table[] =
#undef TARGET_ENCODE_SECTION_INFO
#define TARGET_ENCODE_SECTION_INFO sh_encode_section_info
+#undef TARGET_LRA_P
+#define TARGET_LRA_P sh_lra_p
+
#undef TARGET_SECONDARY_RELOAD
#define TARGET_SECONDARY_RELOAD sh_secondary_reload
@@ -10484,6 +10488,9 @@ sh_legitimize_reload_address (rtx *p, machine_mode mode, int opnum,
enum reload_type type = (enum reload_type) itype;
const int mode_sz = GET_MODE_SIZE (mode);
+ if (sh_lra_p ())
+ return false;
+
if (! ALLOW_INDEXED_ADDRESS
&& GET_CODE (*p) == PLUS
&& REG_P (XEXP (*p, 0)) && REG_P (XEXP (*p, 1)))
@@ -13774,6 +13781,13 @@ sh_mode_priority (int entity ATTRIBUTE_UNUSED, int n)
return ((TARGET_FPU_SINGLE != 0) ^ (n) ? FP_MODE_SINGLE : FP_MODE_DOUBLE);
}
+/* Return true if we use LRA instead of reload pass. */
+static bool
+sh_lra_p (void)
+{
+ return sh_lra_flag;
+}
+
/* Implement TARGET_USE_BY_PIECES_INFRASTRUCTURE_P. */
static bool
@@ -360,3 +360,6 @@ mfsrra
Target Var(TARGET_FSRRA)
Enable the use of the fsrra instruction
+mlra
+Target Report Var(sh_lra_flag) Init(0) Save
+Use LRA instead of reload (transitional)