tcg/tci: Merge INDEX_op_{st_i32,st32_i64}

Tested-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
diff --git a/tcg/tci.c b/tcg/tci.c
index ee2cd7d..eb70672 100644
--- a/tcg/tci.c
+++ b/tcg/tci.c
@@ -625,6 +625,7 @@
             *(uint16_t *)(t1 + t2) = t0;
             break;
         case INDEX_op_st_i32:
+        CASE_64(st32)
             t0 = tci_read_r32(regs, &tb_ptr);
             t1 = tci_read_r(regs, &tb_ptr);
             t2 = tci_read_s32(&tb_ptr);
@@ -873,12 +874,6 @@
             t2 = tci_read_s32(&tb_ptr);
             tci_write_reg(regs, t0, *(uint64_t *)(t1 + t2));
             break;
-        case INDEX_op_st32_i64:
-            t0 = tci_read_r32(regs, &tb_ptr);
-            t1 = tci_read_r(regs, &tb_ptr);
-            t2 = tci_read_s32(&tb_ptr);
-            *(uint32_t *)(t1 + t2) = t0;
-            break;
         case INDEX_op_st_i64:
             t0 = tci_read_r64(regs, &tb_ptr);
             t1 = tci_read_r(regs, &tb_ptr);