tcg: Unify helper_{be,le}_{ld,st}*

With the current structure of cputlb.c, there is no difference
between the little-endian and big-endian entry points, aside
from the assert.  Unify the pairs of functions.

Hoist the qemu_{ld,st}_helpers arrays to tcg.c.

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

tcg/tcg.c

@@ -197,6 +197,27 @@ static void tcg_out_st_helper_args(TCGContext *s, const TCGLabelQemuLdst *l,
                                    const TCGLdstHelperParam *p)
     __attribute__((unused));
 
+#ifdef CONFIG_SOFTMMU
+static void * const qemu_ld_helpers[MO_SSIZE + 1] = {
+    [MO_UB] = helper_ldub_mmu,
+    [MO_SB] = helper_ldsb_mmu,
+    [MO_UW] = helper_lduw_mmu,
+    [MO_SW] = helper_ldsw_mmu,
+    [MO_UL] = helper_ldul_mmu,
+    [MO_UQ] = helper_ldq_mmu,
+#if TCG_TARGET_REG_BITS == 64
+    [MO_SL] = helper_ldsl_mmu,
+#endif
+};
+
+static void * const qemu_st_helpers[MO_SIZE + 1] = {
+    [MO_8]  = helper_stb_mmu,
+    [MO_16] = helper_stw_mmu,
+    [MO_32] = helper_stl_mmu,
+    [MO_64] = helper_stq_mmu,
+};
+#endif
+
 TCGContext tcg_init_ctx;
 __thread TCGContext *tcg_ctx;