[PULL,23/33] tcg/tci: Split out tci_qemu_ld, tci_qemu_st

Commit Message

Richard Henderson June 19, 2021, 6:14 p.m. UTC

We can share this code between 32-bit and 64-bit loads and stores.

Tested-by: Philippe Mathieu-Daudé <[e-mail]>
Reviewed-by: Philippe Mathieu-Daudé <[e-mail]>
Signed-off-by: Richard Henderson <[e-mail]>
---
 tcg/tci.c | 183 +++++++++++++++++++++---------------------------------
 1 file changed, 71 insertions(+), 112 deletions(-)

Patch

diff --git a/tcg/tci.c b/tcg/tci.c
index 7103005889..5520537abe 100644
--- a/tcg/tci.c
+++ b/tcg/tci.c
@@ -317,6 +317,73 @@  static bool tci_compare64(uint64_t u0, uint64_t u1, TCGCond condition)
 #define qemu_st_beq(X) \
     cpu_stq_be_mmuidx_ra(env, taddr, X, get_mmuidx(oi), (uintptr_t)tb_ptr)
 
+static uint64_t tci_qemu_ld(CPUArchState *env, target_ulong taddr,
+                            TCGMemOpIdx oi, const void *tb_ptr)
+{
+    MemOp mop = get_memop(oi) & (MO_BSWAP | MO_SSIZE);
+
+    switch (mop) {
+    case MO_UB:
+        return qemu_ld_ub;
+    case MO_SB:
+        return (int8_t)qemu_ld_ub;
+    case MO_LEUW:
+        return qemu_ld_leuw;
+    case MO_LESW:
+        return (int16_t)qemu_ld_leuw;
+    case MO_LEUL:
+        return qemu_ld_leul;
+    case MO_LESL:
+        return (int32_t)qemu_ld_leul;
+    case MO_LEQ:
+        return qemu_ld_leq;
+    case MO_BEUW:
+        return qemu_ld_beuw;
+    case MO_BESW:
+        return (int16_t)qemu_ld_beuw;
+    case MO_BEUL:
+        return qemu_ld_beul;
+    case MO_BESL:
+        return (int32_t)qemu_ld_beul;
+    case MO_BEQ:
+        return qemu_ld_beq;
+    default:
+        g_assert_not_reached();
+    }
+}
+
+static void tci_qemu_st(CPUArchState *env, target_ulong taddr, uint64_t val,
+                        TCGMemOpIdx oi, const void *tb_ptr)
+{
+    MemOp mop = get_memop(oi) & (MO_BSWAP | MO_SSIZE);
+
+    switch (mop) {
+    case MO_UB:
+        qemu_st_b(val);
+        break;
+    case MO_LEUW:
+        qemu_st_lew(val);
+        break;
+    case MO_LEUL:
+        qemu_st_lel(val);
+        break;
+    case MO_LEQ:
+        qemu_st_leq(val);
+        break;
+    case MO_BEUW:
+        qemu_st_bew(val);
+        break;
+    case MO_BEUL:
+        qemu_st_bel(val);
+        break;
+    case MO_BEQ:
+        qemu_st_beq(val);
+        break;
+    default:
+        g_assert_not_reached();
+    }
+}
+
 #if TCG_TARGET_REG_BITS == 64
 # define CASE_32_64(x) \
         case glue(glue(INDEX_op_, x), _i64): \
@@ -909,34 +976,7 @@  uintptr_t QEMU_DISABLE_CFI tcg_qemu_tb_exec(CPUArchState *env,
                 tci_args_rrrm(insn, &r0, &r1, &r2, &oi);
                 taddr = tci_uint64(regs[r2], regs[r1]);
             }
-            switch (get_memop(oi) & (MO_BSWAP | MO_SSIZE)) {
-            case MO_UB:
-                tmp32 = qemu_ld_ub;
-                break;
-            case MO_SB:
-                tmp32 = (int8_t)qemu_ld_ub;
-                break;
-            case MO_LEUW:
-                tmp32 = qemu_ld_leuw;
-                break;
-            case MO_LESW:
-                tmp32 = (int16_t)qemu_ld_leuw;
-                break;
-            case MO_LEUL:
-                tmp32 = qemu_ld_leul;
-                break;
-            case MO_BEUW:
-                tmp32 = qemu_ld_beuw;
-                break;
-            case MO_BESW:
-                tmp32 = (int16_t)qemu_ld_beuw;
-                break;
-            case MO_BEUL:
-                tmp32 = qemu_ld_beul;
-                break;
-            default:
-                g_assert_not_reached();
-            }
+            tmp32 = tci_qemu_ld(env, taddr, oi, tb_ptr);
             regs[r0] = tmp32;
             break;
 
@@ -952,46 +992,7 @@  uintptr_t QEMU_DISABLE_CFI tcg_qemu_tb_exec(CPUArchState *env,
                 taddr = tci_uint64(regs[r3], regs[r2]);
                 oi = regs[r4];
             }
-            switch (get_memop(oi) & (MO_BSWAP | MO_SSIZE)) {
-            case MO_UB:
-                tmp64 = qemu_ld_ub;
-                break;
-            case MO_SB:
-                tmp64 = (int8_t)qemu_ld_ub;
-                break;
-            case MO_LEUW:
-                tmp64 = qemu_ld_leuw;
-                break;
-            case MO_LESW:
-                tmp64 = (int16_t)qemu_ld_leuw;
-                break;
-            case MO_LEUL:
-                tmp64 = qemu_ld_leul;
-                break;
-            case MO_LESL:
-                tmp64 = (int32_t)qemu_ld_leul;
-                break;
-            case MO_LEQ:
-                tmp64 = qemu_ld_leq;
-                break;
-            case MO_BEUW:
-                tmp64 = qemu_ld_beuw;
-                break;
-            case MO_BESW:
-                tmp64 = (int16_t)qemu_ld_beuw;
-                break;
-            case MO_BEUL:
-                tmp64 = qemu_ld_beul;
-                break;
-            case MO_BESL:
-                tmp64 = (int32_t)qemu_ld_beul;
-                break;
-            case MO_BEQ:
-                tmp64 = qemu_ld_beq;
-                break;
-            default:
-                g_assert_not_reached();
-            }
+            tmp64 = tci_qemu_ld(env, taddr, oi, tb_ptr);
             if (TCG_TARGET_REG_BITS == 32) {
                 tci_write_reg64(regs, r1, r0, tmp64);
             } else {
@@ -1008,25 +1009,7 @@  uintptr_t QEMU_DISABLE_CFI tcg_qemu_tb_exec(CPUArchState *env,
                 taddr = tci_uint64(regs[r2], regs[r1]);
             }
             tmp32 = regs[r0];
-            switch (get_memop(oi) & (MO_BSWAP | MO_SIZE)) {
-            case MO_UB:
-                qemu_st_b(tmp32);
-                break;
-            case MO_LEUW:
-                qemu_st_lew(tmp32);
-                break;
-            case MO_LEUL:
-                qemu_st_lel(tmp32);
-                break;
-            case MO_BEUW:
-                qemu_st_bew(tmp32);
-                break;
-            case MO_BEUL:
-                qemu_st_bel(tmp32);
-                break;
-            default:
-                g_assert_not_reached();
-            }
+            tci_qemu_st(env, taddr, tmp32, oi, tb_ptr);
             break;
 
         case INDEX_op_qemu_st_i64:
@@ -1045,31 +1028,7 @@  uintptr_t QEMU_DISABLE_CFI tcg_qemu_tb_exec(CPUArchState *env,
                 }
                 tmp64 = tci_uint64(regs[r1], regs[r0]);
             }
-            switch (get_memop(oi) & (MO_BSWAP | MO_SIZE)) {
-            case MO_UB:
-                qemu_st_b(tmp64);
-                break;
-            case MO_LEUW:
-                qemu_st_lew(tmp64);
-                break;
-            case MO_LEUL:
-                qemu_st_lel(tmp64);
-                break;
-            case MO_LEQ:
-                qemu_st_leq(tmp64);
-                break;
-            case MO_BEUW:
-                qemu_st_bew(tmp64);
-                break;
-            case MO_BEUL:
-                qemu_st_bel(tmp64);
-                break;
-            case MO_BEQ:
-                qemu_st_beq(tmp64);
-                break;
-            default:
-                g_assert_not_reached();
-            }
+            tci_qemu_st(env, taddr, tmp64, oi, tb_ptr);
             break;
 
         case INDEX_op_mb: