target/mips: Fix emulation of ST.W in system mode

Order of arguments in helper_ret_stl_mmu() invocations was wrong,
apparently caused by a misplaced multiline copy-and-paste.

Fixes: 6decc57 ("target/mips: Fix MSA instructions ST.<B|H|W|D> on big endian host")

Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Aleksandar Rikalo <arikalo@wavecomp.com>
Message-Id: <1567009239-11273-1-git-send-email-aleksandar.markovic@rt-rk.com>

target/mips/op_helper.c

@@ -4692,15 +4692,15 @@ void helper_msa_st_w(CPUMIPSState *env, uint32_t wd,
     ensure_writable_pages(env, addr, mmu_idx, GETPC());
 #if !defined(CONFIG_USER_ONLY)
 #if !defined(HOST_WORDS_BIGENDIAN)
-    helper_ret_stl_mmu(env, addr + (0 << DF_WORD), oi, GETPC(), pwd->w[0]);
-    helper_ret_stl_mmu(env, addr + (1 << DF_WORD), oi, GETPC(), pwd->w[1]);
-    helper_ret_stl_mmu(env, addr + (2 << DF_WORD), oi, GETPC(), pwd->w[2]);
-    helper_ret_stl_mmu(env, addr + (3 << DF_WORD), oi, GETPC(), pwd->w[3]);
+    helper_ret_stl_mmu(env, addr + (0 << DF_WORD), pwd->w[0], oi, GETPC());
+    helper_ret_stl_mmu(env, addr + (1 << DF_WORD), pwd->w[1], oi, GETPC());
+    helper_ret_stl_mmu(env, addr + (2 << DF_WORD), pwd->w[2], oi, GETPC());
+    helper_ret_stl_mmu(env, addr + (3 << DF_WORD), pwd->w[3], oi, GETPC());
 #else
-    helper_ret_stl_mmu(env, addr + (1 << DF_WORD), oi, GETPC(), pwd->w[0]);
-    helper_ret_stl_mmu(env, addr + (0 << DF_WORD), oi, GETPC(), pwd->w[1]);
-    helper_ret_stl_mmu(env, addr + (3 << DF_WORD), oi, GETPC(), pwd->w[2]);
-    helper_ret_stl_mmu(env, addr + (2 << DF_WORD), oi, GETPC(), pwd->w[3]);
+    helper_ret_stl_mmu(env, addr + (1 << DF_WORD), pwd->w[0], oi, GETPC());
+    helper_ret_stl_mmu(env, addr + (0 << DF_WORD), pwd->w[1], oi, GETPC());
+    helper_ret_stl_mmu(env, addr + (3 << DF_WORD), pwd->w[2], oi, GETPC());
+    helper_ret_stl_mmu(env, addr + (2 << DF_WORD), pwd->w[3], oi, GETPC());
 #endif
 #else
 #if !defined(HOST_WORDS_BIGENDIAN)