tcg/tci: Elimnate TARGET_LONG_BITS, target_ulong

We now have the address size as part of the opcode, so
we no longer need to test TARGET_LONG_BITS.  We can use
uint64_t for target_ulong, as passed into load/store helpers.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

2 files changed, 46 insertions, 30 deletions

diff --git a/tcg/tci.c b/tcg/tci.c
index 742c791726..bab4397bc5 100644
--- a/tcg/tci.c
+++ b/tcg/tci.c
@@ -286,7 +286,7 @@ static bool tci_compare64(uint64_t u0, uint64_t u1, TCGCond condition)
     return result;
 }
 
-static uint64_t tci_qemu_ld(CPUArchState *env, target_ulong taddr,
+static uint64_t tci_qemu_ld(CPUArchState *env, uint64_t taddr,
                             MemOpIdx oi, const void *tb_ptr)
 {
     MemOp mop = get_memop(oi);
@@ -312,7 +312,7 @@ static uint64_t tci_qemu_ld(CPUArchState *env, target_ulong taddr,
     }
 }
 
-static void tci_qemu_st(CPUArchState *env, target_ulong taddr, uint64_t val,
+static void tci_qemu_st(CPUArchState *env, uint64_t taddr, uint64_t val,
                         MemOpIdx oi, const void *tb_ptr)
 {
     MemOp mop = get_memop(oi);
@@ -372,10 +372,9 @@ uintptr_t QEMU_DISABLE_CFI tcg_qemu_tb_exec(CPUArchState *env,
         TCGReg r0, r1, r2, r3, r4, r5;
         tcg_target_ulong t1;
         TCGCond condition;
-        target_ulong taddr;
         uint8_t pos, len;
         uint32_t tmp32;
-        uint64_t tmp64;
+        uint64_t tmp64, taddr;
         uint64_t T1, T2;
         MemOpIdx oi;
         int32_t ofs;
@@ -923,31 +922,40 @@ uintptr_t QEMU_DISABLE_CFI tcg_qemu_tb_exec(CPUArchState *env,
             break;
 
         case INDEX_op_qemu_ld_a32_i32:
+            tci_args_rrm(insn, &r0, &r1, &oi);
+            taddr = (uint32_t)regs[r1];
+            goto do_ld_i32;
         case INDEX_op_qemu_ld_a64_i32:
-            if (TARGET_LONG_BITS <= TCG_TARGET_REG_BITS) {
+            if (TCG_TARGET_REG_BITS == 64) {
                 tci_args_rrm(insn, &r0, &r1, &oi);
                 taddr = regs[r1];
             } else {
                 tci_args_rrrm(insn, &r0, &r1, &r2, &oi);
                 taddr = tci_uint64(regs[r2], regs[r1]);
             }
-            tmp32 = tci_qemu_ld(env, taddr, oi, tb_ptr);
-            regs[r0] = tmp32;
+        do_ld_i32:
+            regs[r0] = tci_qemu_ld(env, taddr, oi, tb_ptr);
             break;
 
         case INDEX_op_qemu_ld_a32_i64:
+            if (TCG_TARGET_REG_BITS == 64) {
+                tci_args_rrm(insn, &r0, &r1, &oi);
+                taddr = (uint32_t)regs[r1];
+            } else {
+                tci_args_rrrm(insn, &r0, &r1, &r2, &oi);
+                taddr = (uint32_t)regs[r2];
+            }
+            goto do_ld_i64;
         case INDEX_op_qemu_ld_a64_i64:
             if (TCG_TARGET_REG_BITS == 64) {
                 tci_args_rrm(insn, &r0, &r1, &oi);
                 taddr = regs[r1];
-            } else if (TARGET_LONG_BITS <= TCG_TARGET_REG_BITS) {
-                tci_args_rrrm(insn, &r0, &r1, &r2, &oi);
-                taddr = regs[r2];
             } else {
                 tci_args_rrrrr(insn, &r0, &r1, &r2, &r3, &r4);
                 taddr = tci_uint64(regs[r3], regs[r2]);
                 oi = regs[r4];
             }
+        do_ld_i64:
             tmp64 = tci_qemu_ld(env, taddr, oi, tb_ptr);
             if (TCG_TARGET_REG_BITS == 32) {
                 tci_write_reg64(regs, r1, r0, tmp64);
@@ -957,35 +965,44 @@ uintptr_t QEMU_DISABLE_CFI tcg_qemu_tb_exec(CPUArchState *env,
             break;
 
         case INDEX_op_qemu_st_a32_i32:
+            tci_args_rrm(insn, &r0, &r1, &oi);
+            taddr = (uint32_t)regs[r1];
+            goto do_st_i32;
         case INDEX_op_qemu_st_a64_i32:
-            if (TARGET_LONG_BITS <= TCG_TARGET_REG_BITS) {
+            if (TCG_TARGET_REG_BITS == 64) {
                 tci_args_rrm(insn, &r0, &r1, &oi);
                 taddr = regs[r1];
             } else {
                 tci_args_rrrm(insn, &r0, &r1, &r2, &oi);
                 taddr = tci_uint64(regs[r2], regs[r1]);
             }
-            tmp32 = regs[r0];
-            tci_qemu_st(env, taddr, tmp32, oi, tb_ptr);
+        do_st_i32:
+            tci_qemu_st(env, taddr, regs[r0], oi, tb_ptr);
             break;
 
         case INDEX_op_qemu_st_a32_i64:
+            if (TCG_TARGET_REG_BITS == 64) {
+                tci_args_rrm(insn, &r0, &r1, &oi);
+                tmp64 = regs[r0];
+                taddr = (uint32_t)regs[r1];
+            } else {
+                tci_args_rrrm(insn, &r0, &r1, &r2, &oi);
+                tmp64 = tci_uint64(regs[r1], regs[r0]);
+                taddr = (uint32_t)regs[r2];
+            }
+            goto do_st_i64;
         case INDEX_op_qemu_st_a64_i64:
             if (TCG_TARGET_REG_BITS == 64) {
                 tci_args_rrm(insn, &r0, &r1, &oi);
-                taddr = regs[r1];
                 tmp64 = regs[r0];
+                taddr = regs[r1];
             } else {
-                if (TARGET_LONG_BITS <= TCG_TARGET_REG_BITS) {
-                    tci_args_rrrm(insn, &r0, &r1, &r2, &oi);
-                    taddr = regs[r2];
-                } else {
-                    tci_args_rrrrr(insn, &r0, &r1, &r2, &r3, &r4);
-                    taddr = tci_uint64(regs[r3], regs[r2]);
-                    oi = regs[r4];
-                }
+                tci_args_rrrrr(insn, &r0, &r1, &r2, &r3, &r4);
                 tmp64 = tci_uint64(regs[r1], regs[r0]);
+                taddr = tci_uint64(regs[r3], regs[r2]);
+                oi = regs[r4];
             }
+        do_st_i64:
             tci_qemu_st(env, taddr, tmp64, oi, tb_ptr);
             break;
 
diff --git a/tcg/tci/tcg-target.c.inc b/tcg/tci/tcg-target.c.inc
index 586b2e6a08..c9516a5e8b 100644
--- a/tcg/tci/tcg-target.c.inc
+++ b/tcg/tci/tcg-target.c.inc
@@ -243,7 +243,7 @@ static bool patch_reloc(tcg_insn_unit *code_ptr, int type,
     return false;
 }
 
-static void stack_bounds_check(TCGReg base, target_long offset)
+static void stack_bounds_check(TCGReg base, intptr_t offset)
 {
     if (base == TCG_REG_CALL_STACK) {
         tcg_debug_assert(offset >= 0);
@@ -850,24 +850,23 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc,
         break;
 
     case INDEX_op_qemu_ld_a32_i32:
-    case INDEX_op_qemu_ld_a64_i32:
     case INDEX_op_qemu_st_a32_i32:
+        tcg_out_op_rrm(s, opc, args[0], args[1], args[2]);
+        break;
+    case INDEX_op_qemu_ld_a64_i32:
     case INDEX_op_qemu_st_a64_i32:
-        if (TARGET_LONG_BITS <= TCG_TARGET_REG_BITS) {
+    case INDEX_op_qemu_ld_a32_i64:
+    case INDEX_op_qemu_st_a32_i64:
+        if (TCG_TARGET_REG_BITS == 64) {
             tcg_out_op_rrm(s, opc, args[0], args[1], args[2]);
         } else {
             tcg_out_op_rrrm(s, opc, args[0], args[1], args[2], args[3]);
         }
         break;
-
-    case INDEX_op_qemu_ld_a32_i64:
     case INDEX_op_qemu_ld_a64_i64:
-    case INDEX_op_qemu_st_a32_i64:
     case INDEX_op_qemu_st_a64_i64:
         if (TCG_TARGET_REG_BITS == 64) {
             tcg_out_op_rrm(s, opc, args[0], args[1], args[2]);
-        } else if (TARGET_LONG_BITS <= TCG_TARGET_REG_BITS) {
-            tcg_out_op_rrrm(s, opc, args[0], args[1], args[2], args[3]);
         } else {
             tcg_out_movi(s, TCG_TYPE_I32, TCG_REG_TMP, args[4]);
             tcg_out_op_rrrrr(s, opc, args[0], args[1],