tcg/loongarch64: Introduce HostAddress

Collect the 2 parts of the host address into a struct.
Reorg tcg_out_qemu_{ld,st}_direct to use it.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

1 files changed, 30 insertions, 25 deletions

diff --git a/tcg/loongarch64/tcg-target.c.inc b/tcg/loongarch64/tcg-target.c.inc
index 2e3c670..6a87a5e 100644
--- a/tcg/loongarch64/tcg-target.c.inc
+++ b/tcg/loongarch64/tcg-target.c.inc
@@ -1013,36 +1013,41 @@ static TCGReg tcg_out_zext_addr_if_32_bit(TCGContext *s,
     return addr;
 }
 
-static void tcg_out_qemu_ld_indexed(TCGContext *s, TCGReg rd, TCGReg rj,
-                                   TCGReg rk, MemOp opc, TCGType type)
+typedef struct {
+    TCGReg base;
+    TCGReg index;
+} HostAddress;
+
+static void tcg_out_qemu_ld_indexed(TCGContext *s, MemOp opc, TCGType type,
+                                    TCGReg rd, HostAddress h)
 {
     /* Byte swapping is left to middle-end expansion.  */
     tcg_debug_assert((opc & MO_BSWAP) == 0);
 
     switch (opc & MO_SSIZE) {
     case MO_UB:
-        tcg_out_opc_ldx_bu(s, rd, rj, rk);
+        tcg_out_opc_ldx_bu(s, rd, h.base, h.index);
         break;
     case MO_SB:
-        tcg_out_opc_ldx_b(s, rd, rj, rk);
+        tcg_out_opc_ldx_b(s, rd, h.base, h.index);
         break;
     case MO_UW:
-        tcg_out_opc_ldx_hu(s, rd, rj, rk);
+        tcg_out_opc_ldx_hu(s, rd, h.base, h.index);
         break;
     case MO_SW:
-        tcg_out_opc_ldx_h(s, rd, rj, rk);
+        tcg_out_opc_ldx_h(s, rd, h.base, h.index);
         break;
     case MO_UL:
         if (type == TCG_TYPE_I64) {
-            tcg_out_opc_ldx_wu(s, rd, rj, rk);
+            tcg_out_opc_ldx_wu(s, rd, h.base, h.index);
             break;
         }
         /* fallthrough */
     case MO_SL:
-        tcg_out_opc_ldx_w(s, rd, rj, rk);
+        tcg_out_opc_ldx_w(s, rd, h.base, h.index);
         break;
     case MO_UQ:
-        tcg_out_opc_ldx_d(s, rd, rj, rk);
+        tcg_out_opc_ldx_d(s, rd, h.base, h.index);
         break;
     default:
         g_assert_not_reached();
@@ -1053,23 +1058,23 @@ static void tcg_out_qemu_ld(TCGContext *s, TCGReg data_reg, TCGReg addr_reg,
                             MemOpIdx oi, TCGType data_type)
 {
     MemOp opc = get_memop(oi);
-    TCGReg base, index;
+    HostAddress h;
 
 #ifdef CONFIG_SOFTMMU
     tcg_insn_unit *label_ptr[1];
 
     tcg_out_tlb_load(s, addr_reg, oi, label_ptr, 1);
-    index = TCG_REG_TMP2;
+    h.index = TCG_REG_TMP2;
 #else
     unsigned a_bits = get_alignment_bits(opc);
     if (a_bits) {
         tcg_out_test_alignment(s, true, addr_reg, a_bits);
     }
-    index = USE_GUEST_BASE ? TCG_GUEST_BASE_REG : TCG_REG_ZERO;
+    h.index = USE_GUEST_BASE ? TCG_GUEST_BASE_REG : TCG_REG_ZERO;
 #endif
 
-    base = tcg_out_zext_addr_if_32_bit(s, addr_reg, TCG_REG_TMP0);
-    tcg_out_qemu_ld_indexed(s, data_reg, base, index, opc, data_type);
+    h.base = tcg_out_zext_addr_if_32_bit(s, addr_reg, TCG_REG_TMP0);
+    tcg_out_qemu_ld_indexed(s, opc, data_type, data_reg, h);
 
 #ifdef CONFIG_SOFTMMU
     add_qemu_ldst_label(s, true, oi, data_type, data_reg, addr_reg,
@@ -1077,24 +1082,24 @@ static void tcg_out_qemu_ld(TCGContext *s, TCGReg data_reg, TCGReg addr_reg,
 #endif
 }
 
-static void tcg_out_qemu_st_indexed(TCGContext *s, TCGReg data,
-                                   TCGReg rj, TCGReg rk, MemOp opc)
+static void tcg_out_qemu_st_indexed(TCGContext *s, MemOp opc,
+                                    TCGReg rd, HostAddress h)
 {
     /* Byte swapping is left to middle-end expansion.  */
     tcg_debug_assert((opc & MO_BSWAP) == 0);
 
     switch (opc & MO_SIZE) {
     case MO_8:
-        tcg_out_opc_stx_b(s, data, rj, rk);
+        tcg_out_opc_stx_b(s, rd, h.base, h.index);
         break;
     case MO_16:
-        tcg_out_opc_stx_h(s, data, rj, rk);
+        tcg_out_opc_stx_h(s, rd, h.base, h.index);
         break;
     case MO_32:
-        tcg_out_opc_stx_w(s, data, rj, rk);
+        tcg_out_opc_stx_w(s, rd, h.base, h.index);
         break;
     case MO_64:
-        tcg_out_opc_stx_d(s, data, rj, rk);
+        tcg_out_opc_stx_d(s, rd, h.base, h.index);
         break;
     default:
         g_assert_not_reached();
@@ -1105,23 +1110,23 @@ static void tcg_out_qemu_st(TCGContext *s, TCGReg data_reg, TCGReg addr_reg,
                             MemOpIdx oi, TCGType data_type)
 {
     MemOp opc = get_memop(oi);
-    TCGReg base, index;
+    HostAddress h;
 
 #ifdef CONFIG_SOFTMMU
     tcg_insn_unit *label_ptr[1];
 
     tcg_out_tlb_load(s, addr_reg, oi, label_ptr, 0);
-    index = TCG_REG_TMP2;
+    h.index = TCG_REG_TMP2;
 #else
     unsigned a_bits = get_alignment_bits(opc);
     if (a_bits) {
         tcg_out_test_alignment(s, false, addr_reg, a_bits);
     }
-    index = USE_GUEST_BASE ? TCG_GUEST_BASE_REG : TCG_REG_ZERO;
+    h.index = USE_GUEST_BASE ? TCG_GUEST_BASE_REG : TCG_REG_ZERO;
 #endif
 
-    base = tcg_out_zext_addr_if_32_bit(s, addr_reg, TCG_REG_TMP0);
-    tcg_out_qemu_st_indexed(s, data_reg, base, index, opc);
+    h.base = tcg_out_zext_addr_if_32_bit(s, addr_reg, TCG_REG_TMP0);
+    tcg_out_qemu_st_indexed(s, opc, data_reg, h);
 
 #ifdef CONFIG_SOFTMMU
     add_qemu_ldst_label(s, false, oi, data_type, data_reg, addr_reg,