From 59227d5d45bb3c31dc2118011691c35b3c00879c Mon Sep 17 00:00:00 2001
From: Richard Henderson <rth@twiddle.net>
Date: Tue, 12 May 2015 11:51:44 -0700
Subject: tcg: Merge memop and mmu_idx parameters to qemu_ld/st

At the tcg opcode level, not at the tcg-op.h generator level.
This requires minor changes through all of the tcg backends,
but none of the cpu translators.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <rth@twiddle.net>
---
 tcg/aarch64/tcg-target.c | 12 ++++++++----
 tcg/arm/tcg-target.c     | 12 ++++++++----
 tcg/i386/tcg-target.c    | 12 ++++++++----
 tcg/ia64/tcg-target.c    | 12 ++++++++----
 tcg/mips/tcg-target.c    | 12 ++++++++----
 tcg/optimize.c           |  3 ++-
 tcg/ppc/tcg-target.c     | 12 ++++++++----
 tcg/s390/tcg-target.c    | 12 ++++++++----
 tcg/sparc/tcg-target.c   | 14 +++++++++-----
 tcg/tcg-op.c             | 22 ++++++++++------------
 tcg/tcg-opc.h            |  8 ++++----
 tcg/tcg.c                | 16 +++++++++++-----
 tcg/tcg.h                | 38 ++++++++++++++++++++++++++++++++++++++
 tcg/tci/tcg-target.c     |  6 ------
 14 files changed, 130 insertions(+), 61 deletions(-)

(limited to 'tcg')

diff --git a/tcg/aarch64/tcg-target.c b/tcg/aarch64/tcg-target.c
index 87dc245..23b8fda 100644
--- a/tcg/aarch64/tcg-target.c
+++ b/tcg/aarch64/tcg-target.c
@@ -1197,9 +1197,11 @@ static void tcg_out_qemu_st_direct(TCGContext *s, TCGMemOp memop,
 }
 
 static void tcg_out_qemu_ld(TCGContext *s, TCGReg data_reg, TCGReg addr_reg,
-                            TCGMemOp memop, TCGType ext, int mem_index)
+                            TCGMemOpIdx oi, TCGType ext)
 {
+    TCGMemOp memop = get_memop(oi);
 #ifdef CONFIG_SOFTMMU
+    unsigned mem_index = get_mmuidx(oi);
     TCGMemOp s_bits = memop & MO_SIZE;
     tcg_insn_unit *label_ptr;
 
@@ -1214,9 +1216,11 @@ static void tcg_out_qemu_ld(TCGContext *s, TCGReg data_reg, TCGReg addr_reg,
 }
 
 static void tcg_out_qemu_st(TCGContext *s, TCGReg data_reg, TCGReg addr_reg,
-                            TCGMemOp memop, int mem_index)
+                            TCGMemOpIdx oi)
 {
+    TCGMemOp memop = get_memop(oi);
 #ifdef CONFIG_SOFTMMU
+    unsigned mem_index = get_mmuidx(oi);
     TCGMemOp s_bits = memop & MO_SIZE;
     tcg_insn_unit *label_ptr;
 
@@ -1515,11 +1519,11 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc,
 
     case INDEX_op_qemu_ld_i32:
     case INDEX_op_qemu_ld_i64:
-        tcg_out_qemu_ld(s, a0, a1, a2, ext, args[3]);
+        tcg_out_qemu_ld(s, a0, a1, a2, ext);
         break;
     case INDEX_op_qemu_st_i32:
     case INDEX_op_qemu_st_i64:
-        tcg_out_qemu_st(s, REG0(0), a1, a2, args[3]);
+        tcg_out_qemu_st(s, REG0(0), a1, a2);
         break;
 
     case INDEX_op_bswap64_i64:
diff --git a/tcg/arm/tcg-target.c b/tcg/arm/tcg-target.c
index 01e6fbf..f3221e7 100644
--- a/tcg/arm/tcg-target.c
+++ b/tcg/arm/tcg-target.c
@@ -1463,6 +1463,7 @@ static inline void tcg_out_qemu_ld_direct(TCGContext *s, TCGMemOp opc,
 static void tcg_out_qemu_ld(TCGContext *s, const TCGArg *args, bool is64)
 {
     TCGReg addrlo, datalo, datahi, addrhi __attribute__((unused));
+    TCGMemOpIdx oi;
     TCGMemOp opc;
 #ifdef CONFIG_SOFTMMU
     int mem_index;
@@ -1474,10 +1475,11 @@ static void tcg_out_qemu_ld(TCGContext *s, const TCGArg *args, bool is64)
     datahi = (is64 ? *args++ : 0);
     addrlo = *args++;
     addrhi = (TARGET_LONG_BITS == 64 ? *args++ : 0);
-    opc = *args++;
+    oi = *args++;
+    opc = get_memop(oi);
 
 #ifdef CONFIG_SOFTMMU
-    mem_index = *args;
+    mem_index = get_mmuidx(oi);
     addend = tcg_out_tlb_read(s, addrlo, addrhi, opc & MO_SIZE, mem_index, 1);
 
     /* This a conditional BL only to load a pointer within this opcode into LR
@@ -1592,6 +1594,7 @@ static inline void tcg_out_qemu_st_direct(TCGContext *s, TCGMemOp opc,
 static void tcg_out_qemu_st(TCGContext *s, const TCGArg *args, bool is64)
 {
     TCGReg addrlo, datalo, datahi, addrhi __attribute__((unused));
+    TCGMemOpIdx oi;
     TCGMemOp opc;
 #ifdef CONFIG_SOFTMMU
     int mem_index;
@@ -1603,10 +1606,11 @@ static void tcg_out_qemu_st(TCGContext *s, const TCGArg *args, bool is64)
     datahi = (is64 ? *args++ : 0);
     addrlo = *args++;
     addrhi = (TARGET_LONG_BITS == 64 ? *args++ : 0);
-    opc = *args++;
+    oi = *args++;
+    opc = get_memop(oi);
 
 #ifdef CONFIG_SOFTMMU
-    mem_index = *args;
+    mem_index = get_mmuidx(oi);
     addend = tcg_out_tlb_read(s, addrlo, addrhi, opc & MO_SIZE, mem_index, 0);
 
     tcg_out_qemu_st_index(s, COND_EQ, opc, datalo, datahi, addrlo, addend);
diff --git a/tcg/i386/tcg-target.c b/tcg/i386/tcg-target.c
index ab63823..a458c8a 100644
--- a/tcg/i386/tcg-target.c
+++ b/tcg/i386/tcg-target.c
@@ -1531,6 +1531,7 @@ static void tcg_out_qemu_ld(TCGContext *s, const TCGArg *args, bool is64)
 {
     TCGReg datalo, datahi, addrlo;
     TCGReg addrhi __attribute__((unused));
+    TCGMemOpIdx oi;
     TCGMemOp opc;
 #if defined(CONFIG_SOFTMMU)
     int mem_index;
@@ -1542,10 +1543,11 @@ static void tcg_out_qemu_ld(TCGContext *s, const TCGArg *args, bool is64)
     datahi = (TCG_TARGET_REG_BITS == 32 && is64 ? *args++ : 0);
     addrlo = *args++;
     addrhi = (TARGET_LONG_BITS > TCG_TARGET_REG_BITS ? *args++ : 0);
-    opc = *args++;
+    oi = *args++;
+    opc = get_memop(oi);
 
 #if defined(CONFIG_SOFTMMU)
-    mem_index = *args++;
+    mem_index = get_mmuidx(oi);
     s_bits = opc & MO_SIZE;
 
     tcg_out_tlb_load(s, addrlo, addrhi, mem_index, s_bits,
@@ -1662,6 +1664,7 @@ static void tcg_out_qemu_st(TCGContext *s, const TCGArg *args, bool is64)
 {
     TCGReg datalo, datahi, addrlo;
     TCGReg addrhi __attribute__((unused));
+    TCGMemOpIdx oi;
     TCGMemOp opc;
 #if defined(CONFIG_SOFTMMU)
     int mem_index;
@@ -1673,10 +1676,11 @@ static void tcg_out_qemu_st(TCGContext *s, const TCGArg *args, bool is64)
     datahi = (TCG_TARGET_REG_BITS == 32 && is64 ? *args++ : 0);
     addrlo = *args++;
     addrhi = (TARGET_LONG_BITS > TCG_TARGET_REG_BITS ? *args++ : 0);
-    opc = *args++;
+    oi = *args++;
+    opc = get_memop(oi);
 
 #if defined(CONFIG_SOFTMMU)
-    mem_index = *args++;
+    mem_index = get_mmuidx(oi);
     s_bits = opc & MO_SIZE;
 
     tcg_out_tlb_load(s, addrlo, addrhi, mem_index, s_bits,
diff --git a/tcg/ia64/tcg-target.c b/tcg/ia64/tcg-target.c
index 25f207d..1920593 100644
--- a/tcg/ia64/tcg-target.c
+++ b/tcg/ia64/tcg-target.c
@@ -1634,14 +1634,16 @@ static inline void tcg_out_qemu_ld(TCGContext *s, const TCGArg *args)
         OPC_LD1_M1, OPC_LD2_M1, OPC_LD4_M1, OPC_LD8_M1
     };
     int addr_reg, data_reg, mem_index;
+    TCGMemOpIdx oi;
     TCGMemOp opc, s_bits;
     uint64_t fin1, fin2;
     tcg_insn_unit *label_ptr;
 
     data_reg = args[0];
     addr_reg = args[1];
-    opc = args[2];
-    mem_index = args[3];
+    oi = args[2];
+    opc = get_memop(oi);
+    mem_index = get_mmuidx(oi);
     s_bits = opc & MO_SIZE;
 
     /* Read the TLB entry */
@@ -1696,13 +1698,15 @@ static inline void tcg_out_qemu_st(TCGContext *s, const TCGArg *args)
     TCGReg addr_reg, data_reg;
     int mem_index;
     uint64_t pre1, pre2;
+    TCGMemOpIdx oi;
     TCGMemOp opc, s_bits;
     tcg_insn_unit *label_ptr;
 
     data_reg = args[0];
     addr_reg = args[1];
-    opc = args[2];
-    mem_index = args[3];
+    oi = args[2];
+    opc = get_memop(oi);
+    mem_index = get_mmuidx(oi);
     s_bits = opc & MO_SIZE;
 
     /* Note that we always use LE helper functions, so the bswap insns
diff --git a/tcg/mips/tcg-target.c b/tcg/mips/tcg-target.c
index 5414b83..3f86182 100644
--- a/tcg/mips/tcg-target.c
+++ b/tcg/mips/tcg-target.c
@@ -1150,6 +1150,7 @@ static void tcg_out_qemu_ld(TCGContext *s, const TCGArg *args, bool is_64)
 {
     TCGReg addr_regl, addr_regh __attribute__((unused));
     TCGReg data_regl, data_regh;
+    TCGMemOpIdx oi;
     TCGMemOp opc;
 #if defined(CONFIG_SOFTMMU)
     tcg_insn_unit *label_ptr[2];
@@ -1164,10 +1165,11 @@ static void tcg_out_qemu_ld(TCGContext *s, const TCGArg *args, bool is_64)
     data_regh = (is_64 ? *args++ : 0);
     addr_regl = *args++;
     addr_regh = (TARGET_LONG_BITS == 64 ? *args++ : 0);
-    opc = *args++;
+    oi = *args++;
+    opc = get_memop(oi);
 
 #if defined(CONFIG_SOFTMMU)
-    mem_index = *args;
+    mem_index = get_mmuidx(oi);
     s_bits = opc & MO_SIZE;
 
     tcg_out_tlb_load(s, base, addr_regl, addr_regh, mem_index,
@@ -1279,6 +1281,7 @@ static void tcg_out_qemu_st(TCGContext *s, const TCGArg *args, bool is_64)
 {
     TCGReg addr_regl, addr_regh __attribute__((unused));
     TCGReg data_regl, data_regh, base;
+    TCGMemOpIdx oi;
     TCGMemOp opc;
 #if defined(CONFIG_SOFTMMU)
     tcg_insn_unit *label_ptr[2];
@@ -1290,10 +1293,11 @@ static void tcg_out_qemu_st(TCGContext *s, const TCGArg *args, bool is_64)
     data_regh = (is_64 ? *args++ : 0);
     addr_regl = *args++;
     addr_regh = (TARGET_LONG_BITS == 64 ? *args++ : 0);
-    opc = *args++;
+    oi = *args++;
+    opc = get_memop(oi);
 
 #if defined(CONFIG_SOFTMMU)
-    mem_index = *args;
+    mem_index = get_mmuidx(oi);
     s_bits = opc & 3;
 
     /* Note that we eliminated the helper's address argument,
diff --git a/tcg/optimize.c b/tcg/optimize.c
index 37c1110..585f1ed 100644
--- a/tcg/optimize.c
+++ b/tcg/optimize.c
@@ -918,7 +918,8 @@ static void tcg_constant_folding(TCGContext *s)
 
         CASE_OP_32_64(qemu_ld):
             {
-                TCGMemOp mop = args[nb_oargs + nb_iargs];
+                TCGMemOpIdx oi = args[nb_oargs + nb_iargs];
+                TCGMemOp mop = get_memop(oi);
                 if (!(mop & MO_SIGN)) {
                     mask = (2ULL << ((8 << (mop & MO_SIZE)) - 1)) - 1;
                 }
diff --git a/tcg/ppc/tcg-target.c b/tcg/ppc/tcg-target.c
index 36fd314..b9d02c4 100644
--- a/tcg/ppc/tcg-target.c
+++ b/tcg/ppc/tcg-target.c
@@ -1575,6 +1575,7 @@ static void tcg_out_qemu_ld(TCGContext *s, const TCGArg *args, bool is_64)
 {
     TCGReg datalo, datahi, addrlo, rbase;
     TCGReg addrhi __attribute__((unused));
+    TCGMemOpIdx oi;
     TCGMemOp opc, s_bits;
 #ifdef CONFIG_SOFTMMU
     int mem_index;
@@ -1585,11 +1586,12 @@ static void tcg_out_qemu_ld(TCGContext *s, const TCGArg *args, bool is_64)
     datahi = (TCG_TARGET_REG_BITS == 32 && is_64 ? *args++ : 0);
     addrlo = *args++;
     addrhi = (TCG_TARGET_REG_BITS < TARGET_LONG_BITS ? *args++ : 0);
-    opc = *args++;
+    oi = *args++;
+    opc = get_memop(oi);
     s_bits = opc & MO_SIZE;
 
 #ifdef CONFIG_SOFTMMU
-    mem_index = *args;
+    mem_index = get_mmuidx(oi);
     addrlo = tcg_out_tlb_read(s, s_bits, addrlo, addrhi, mem_index, true);
 
     /* Load a pointer into the current opcode w/conditional branch-link. */
@@ -1648,6 +1650,7 @@ static void tcg_out_qemu_st(TCGContext *s, const TCGArg *args, bool is_64)
 {
     TCGReg datalo, datahi, addrlo, rbase;
     TCGReg addrhi __attribute__((unused));
+    TCGMemOpIdx oi;
     TCGMemOp opc, s_bits;
 #ifdef CONFIG_SOFTMMU
     int mem_index;
@@ -1658,11 +1661,12 @@ static void tcg_out_qemu_st(TCGContext *s, const TCGArg *args, bool is_64)
     datahi = (TCG_TARGET_REG_BITS == 32 && is_64 ? *args++ : 0);
     addrlo = *args++;
     addrhi = (TCG_TARGET_REG_BITS < TARGET_LONG_BITS ? *args++ : 0);
-    opc = *args++;
+    oi = *args++;
+    opc = get_memop(oi);
     s_bits = opc & MO_SIZE;
 
 #ifdef CONFIG_SOFTMMU
-    mem_index = *args;
+    mem_index = get_mmuidx(oi);
     addrlo = tcg_out_tlb_read(s, s_bits, addrlo, addrhi, mem_index, false);
 
     /* Load a pointer into the current opcode w/conditional branch-link. */
diff --git a/tcg/s390/tcg-target.c b/tcg/s390/tcg-target.c
index be984f5..10577ab 100644
--- a/tcg/s390/tcg-target.c
+++ b/tcg/s390/tcg-target.c
@@ -1632,9 +1632,11 @@ static void tcg_prepare_user_ldst(TCGContext *s, TCGReg *addr_reg,
 #endif /* CONFIG_SOFTMMU */
 
 static void tcg_out_qemu_ld(TCGContext* s, TCGReg data_reg, TCGReg addr_reg,
-                            TCGMemOp opc, int mem_index)
+                            TCGMemOpIdx oi)
 {
+    TCGMemOp opc = get_memop(oi);
 #ifdef CONFIG_SOFTMMU
+    unsigned mem_index = get_mmuidx(oi);
     tcg_insn_unit *label_ptr;
     TCGReg base_reg;
 
@@ -1657,9 +1659,11 @@ static void tcg_out_qemu_ld(TCGContext* s, TCGReg data_reg, TCGReg addr_reg,
 }
 
 static void tcg_out_qemu_st(TCGContext* s, TCGReg data_reg, TCGReg addr_reg,
-                            TCGMemOp opc, int mem_index)
+                            TCGMemOpIdx oi)
 {
+    TCGMemOp opc = get_memop(oi);
 #ifdef CONFIG_SOFTMMU
+    unsigned mem_index = get_mmuidx(oi);
     tcg_insn_unit *label_ptr;
     TCGReg base_reg;
 
@@ -1920,11 +1924,11 @@ static inline void tcg_out_op(TCGContext *s, TCGOpcode opc,
     case INDEX_op_qemu_ld_i32:
         /* ??? Technically we can use a non-extending instruction.  */
     case INDEX_op_qemu_ld_i64:
-        tcg_out_qemu_ld(s, args[0], args[1], args[2], args[3]);
+        tcg_out_qemu_ld(s, args[0], args[1], args[2]);
         break;
     case INDEX_op_qemu_st_i32:
     case INDEX_op_qemu_st_i64:
-        tcg_out_qemu_st(s, args[0], args[1], args[2], args[3]);
+        tcg_out_qemu_st(s, args[0], args[1], args[2]);
         break;
 
     case INDEX_op_ld16s_i64:
diff --git a/tcg/sparc/tcg-target.c b/tcg/sparc/tcg-target.c
index f9b616f..ccc3173 100644
--- a/tcg/sparc/tcg-target.c
+++ b/tcg/sparc/tcg-target.c
@@ -1070,9 +1070,11 @@ static const int qemu_st_opc[16] = {
 };
 
 static void tcg_out_qemu_ld(TCGContext *s, TCGReg data, TCGReg addr,
-                            TCGMemOp memop, int memi, bool is_64)
+                            TCGMemOpIdx oi, bool is_64)
 {
+    TCGMemOp memop = get_memop(oi);
 #ifdef CONFIG_SOFTMMU
+    unsigned memi = get_mmuidx(oi);
     TCGMemOp s_bits = memop & MO_SIZE;
     TCGReg addrz, param;
     tcg_insn_unit *func;
@@ -1150,9 +1152,11 @@ static void tcg_out_qemu_ld(TCGContext *s, TCGReg data, TCGReg addr,
 }
 
 static void tcg_out_qemu_st(TCGContext *s, TCGReg data, TCGReg addr,
-                            TCGMemOp memop, int memi)
+                            TCGMemOpIdx oi)
 {
+    TCGMemOp memop = get_memop(oi);
 #ifdef CONFIG_SOFTMMU
+    unsigned memi = get_mmuidx(oi);
     TCGMemOp s_bits = memop & MO_SIZE;
     TCGReg addrz, param;
     tcg_insn_unit *func;
@@ -1363,14 +1367,14 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc,
         break;
 
     case INDEX_op_qemu_ld_i32:
-        tcg_out_qemu_ld(s, a0, a1, a2, args[3], false);
+        tcg_out_qemu_ld(s, a0, a1, a2, false);
         break;
     case INDEX_op_qemu_ld_i64:
-        tcg_out_qemu_ld(s, a0, a1, a2, args[3], true);
+        tcg_out_qemu_ld(s, a0, a1, a2, true);
         break;
     case INDEX_op_qemu_st_i32:
     case INDEX_op_qemu_st_i64:
-        tcg_out_qemu_st(s, a0, a1, a2, args[3]);
+        tcg_out_qemu_st(s, a0, a1, a2);
         break;
 
     case INDEX_op_ld32s_i64:
diff --git a/tcg/tcg-op.c b/tcg/tcg-op.c
index 2b6be75..45098c3 100644
--- a/tcg/tcg-op.c
+++ b/tcg/tcg-op.c
@@ -1873,15 +1873,14 @@ static inline TCGMemOp tcg_canonicalize_memop(TCGMemOp op, bool is64, bool st)
 static void gen_ldst_i32(TCGOpcode opc, TCGv_i32 val, TCGv addr,
                          TCGMemOp memop, TCGArg idx)
 {
+    TCGMemOpIdx oi = make_memop_idx(memop, idx);
 #if TARGET_LONG_BITS == 32
-    tcg_gen_op4ii_i32(opc, val, addr, memop, idx);
+    tcg_gen_op3i_i32(opc, val, addr, oi);
 #else
     if (TCG_TARGET_REG_BITS == 32) {
-        tcg_gen_op5ii_i32(opc, val, TCGV_LOW(addr), TCGV_HIGH(addr),
-                          memop, idx);
+        tcg_gen_op4i_i32(opc, val, TCGV_LOW(addr), TCGV_HIGH(addr), oi);
     } else {
-        tcg_gen_op4(&tcg_ctx, opc, GET_TCGV_I32(val), GET_TCGV_I64(addr),
-                    memop, idx);
+        tcg_gen_op3(&tcg_ctx, opc, GET_TCGV_I32(val), GET_TCGV_I64(addr), oi);
     }
 #endif
 }
@@ -1889,20 +1888,19 @@ static void gen_ldst_i32(TCGOpcode opc, TCGv_i32 val, TCGv addr,
 static void gen_ldst_i64(TCGOpcode opc, TCGv_i64 val, TCGv addr,
                          TCGMemOp memop, TCGArg idx)
 {
+    TCGMemOpIdx oi = make_memop_idx(memop, idx);
 #if TARGET_LONG_BITS == 32
     if (TCG_TARGET_REG_BITS == 32) {
-        tcg_gen_op5ii_i32(opc, TCGV_LOW(val), TCGV_HIGH(val),
-                          addr, memop, idx);
+        tcg_gen_op4i_i32(opc, TCGV_LOW(val), TCGV_HIGH(val), addr, oi);
     } else {
-        tcg_gen_op4(&tcg_ctx, opc, GET_TCGV_I64(val), GET_TCGV_I32(addr),
-                    memop, idx);
+        tcg_gen_op3(&tcg_ctx, opc, GET_TCGV_I64(val), GET_TCGV_I32(addr), oi);
     }
 #else
     if (TCG_TARGET_REG_BITS == 32) {
-        tcg_gen_op6ii_i32(opc, TCGV_LOW(val), TCGV_HIGH(val),
-                          TCGV_LOW(addr), TCGV_HIGH(addr), memop, idx);
+        tcg_gen_op5i_i32(opc, TCGV_LOW(val), TCGV_HIGH(val),
+                         TCGV_LOW(addr), TCGV_HIGH(addr), oi);
     } else {
-        tcg_gen_op4ii_i64(opc, val, addr, memop, idx);
+        tcg_gen_op3i_i64(opc, val, addr, oi);
     }
 #endif
 }
diff --git a/tcg/tcg-opc.h b/tcg/tcg-opc.h
index 42d0cfe..13ccb60 100644
--- a/tcg/tcg-opc.h
+++ b/tcg/tcg-opc.h
@@ -179,13 +179,13 @@ DEF(goto_tb, 0, 0, 1, TCG_OPF_BB_END)
 #define TLADDR_ARGS    (TARGET_LONG_BITS <= TCG_TARGET_REG_BITS ? 1 : 2)
 #define DATA64_ARGS  (TCG_TARGET_REG_BITS == 64 ? 1 : 2)
 
-DEF(qemu_ld_i32, 1, TLADDR_ARGS, 2,
+DEF(qemu_ld_i32, 1, TLADDR_ARGS, 1,
     TCG_OPF_CALL_CLOBBER | TCG_OPF_SIDE_EFFECTS)
-DEF(qemu_st_i32, 0, TLADDR_ARGS + 1, 2,
+DEF(qemu_st_i32, 0, TLADDR_ARGS + 1, 1,
     TCG_OPF_CALL_CLOBBER | TCG_OPF_SIDE_EFFECTS)
-DEF(qemu_ld_i64, DATA64_ARGS, TLADDR_ARGS, 2,
+DEF(qemu_ld_i64, DATA64_ARGS, TLADDR_ARGS, 1,
     TCG_OPF_CALL_CLOBBER | TCG_OPF_SIDE_EFFECTS | TCG_OPF_64BIT)
-DEF(qemu_st_i64, 0, TLADDR_ARGS + DATA64_ARGS, 2,
+DEF(qemu_st_i64, 0, TLADDR_ARGS + DATA64_ARGS, 1,
     TCG_OPF_CALL_CLOBBER | TCG_OPF_SIDE_EFFECTS | TCG_OPF_64BIT)
 
 #undef TLADDR_ARGS
diff --git a/tcg/tcg.c b/tcg/tcg.c
index f1558b7..8b43bbb1 100644
--- a/tcg/tcg.c
+++ b/tcg/tcg.c
@@ -1071,12 +1071,18 @@ void tcg_dump_ops(TCGContext *s)
             case INDEX_op_qemu_st_i32:
             case INDEX_op_qemu_ld_i64:
             case INDEX_op_qemu_st_i64:
-                if (args[k] < ARRAY_SIZE(ldst_name) && ldst_name[args[k]]) {
-                    qemu_log(",%s", ldst_name[args[k++]]);
-                } else {
-                    qemu_log(",$0x%" TCG_PRIlx, args[k++]);
+                {
+                    TCGMemOpIdx oi = args[k++];
+                    TCGMemOp op = get_memop(oi);
+                    unsigned ix = get_mmuidx(oi);
+
+                    if (op < ARRAY_SIZE(ldst_name) && ldst_name[op]) {
+                        qemu_log(",%s,%u", ldst_name[op], ix);
+                    } else {
+                        qemu_log(",$0x%x,%u", op, ix);
+                    }
+                    i = 1;
                 }
-                i = 1;
                 break;
             default:
                 i = 0;
diff --git a/tcg/tcg.h b/tcg/tcg.h
index fbb3daf..99d3f14 100644
--- a/tcg/tcg.h
+++ b/tcg/tcg.h
@@ -826,6 +826,44 @@ static inline size_t tcg_current_code_size(TCGContext *s)
     return tcg_ptr_byte_diff(s->code_ptr, s->code_buf);
 }
 
+/* Combine the TCGMemOp and mmu_idx parameters into a single value.  */
+typedef uint32_t TCGMemOpIdx;
+
+/**
+ * make_memop_idx
+ * @op: memory operation
+ * @idx: mmu index
+ *
+ * Encode these values into a single parameter.
+ */
+static inline TCGMemOpIdx make_memop_idx(TCGMemOp op, unsigned idx)
+{
+    tcg_debug_assert(idx <= 15);
+    return (op << 4) | idx;
+}
+
+/**
+ * get_memop
+ * @oi: combined op/idx parameter
+ *
+ * Extract the memory operation from the combined value.
+ */
+static inline TCGMemOp get_memop(TCGMemOpIdx oi)
+{
+    return oi >> 4;
+}
+
+/**
+ * get_mmuidx
+ * @oi: combined op/idx parameter
+ *
+ * Extract the mmu index from the combined value.
+ */
+static inline unsigned get_mmuidx(TCGMemOpIdx oi)
+{
+    return oi & 15;
+}
+
 /**
  * tcg_qemu_tb_exec:
  * @env: CPUArchState * for the CPU
diff --git a/tcg/tci/tcg-target.c b/tcg/tci/tcg-target.c
index fb2339d..10affab 100644
--- a/tcg/tci/tcg-target.c
+++ b/tcg/tci/tcg-target.c
@@ -763,9 +763,6 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, const TCGArg *args,
             tcg_out_r(s, *args++);
         }
         tcg_out_i(s, *args++);
-#ifdef CONFIG_SOFTMMU
-        tcg_out_i(s, *args);
-#endif
         break;
     case INDEX_op_qemu_ld_i64:
         tcg_out_r(s, *args++);
@@ -777,9 +774,6 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, const TCGArg *args,
             tcg_out_r(s, *args++);
         }
         tcg_out_i(s, *args++);
-#ifdef CONFIG_SOFTMMU
-        tcg_out_i(s, *args);
-#endif
         break;
     case INDEX_op_qemu_st_i32:
         tcg_out_r(s, *args++);
-- 
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