target-mips: Fix accumulator arguments to gen_helper_dmult(u)

gen_muldiv was passing int accumulator arguments directly
to gen_helper_dmult(u).  This patch fixes it to use TCGs,
via the gen_helper_0e2i wrapper.

Fixes an --enable-debug-tcg build failure reported by Juergen Lock.

Signed-off-by: Richard Sandiford <rdsandiford@googlemail.com>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>

target-mips/helper.h

@@ -24,8 +24,8 @@ DEF_HELPER_FLAGS_1(clz, TCG_CALL_NO_RWG_SE, tl, tl)
 #ifdef TARGET_MIPS64
 DEF_HELPER_FLAGS_1(dclo, TCG_CALL_NO_RWG_SE, tl, tl)
 DEF_HELPER_FLAGS_1(dclz, TCG_CALL_NO_RWG_SE, tl, tl)
-DEF_HELPER_4(dmult, void, env, int, tl, tl)
-DEF_HELPER_4(dmultu, void, env, int, tl, tl)
+DEF_HELPER_4(dmult, void, env, tl, tl, int)
+DEF_HELPER_4(dmultu, void, env, tl, tl, int)
 #endif
 
 DEF_HELPER_3(muls, tl, env, tl, tl)

target-mips/op_helper.c

@@ -268,14 +268,14 @@ target_ulong helper_mulshiu(CPUMIPSState *env, target_ulong arg1,
 }
 
 #ifdef TARGET_MIPS64
-void helper_dmult(CPUMIPSState *env, int acc, target_ulong arg1,
-                  target_ulong arg2)
+void helper_dmult(CPUMIPSState *env, target_ulong arg1,
+                  target_ulong arg2, int acc)
 {
     muls64(&(env->active_tc.LO[acc]), &(env->active_tc.HI[acc]), arg1, arg2);
 }
 
-void helper_dmultu(CPUMIPSState *env, int acc, target_ulong arg1,
-                   target_ulong arg2)
+void helper_dmultu(CPUMIPSState *env, target_ulong arg1,
+                   target_ulong arg2, int acc)
 {
     mulu64(&(env->active_tc.LO[acc]), &(env->active_tc.HI[acc]), arg1, arg2);
 }

target-mips/translate.c

@@ -2777,11 +2777,11 @@ static void gen_muldiv(DisasContext *ctx, uint32_t opc,
         opn = "ddivu";
         break;
     case OPC_DMULT:
-        gen_helper_dmult(cpu_env, acc, t0, t1);
+        gen_helper_0e2i(dmult, t0, t1, acc);
         opn = "dmult";
         break;
     case OPC_DMULTU:
-        gen_helper_dmultu(cpu_env, acc, t0, t1);
+        gen_helper_0e2i(dmultu, t0, t1, acc);
         opn = "dmultu";
         break;
 #endif