tcg/s390x: Convert tcg_out_qemu_{ld,st}_slow_path

Use tcg_out_ld_helper_args, tcg_out_ld_helper_ret, and tcg_out_st_helper_args. Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
qemu · May 11, 2023 · eb49132 · eb49132
1 parent 61b6daa
commit eb49132
Showing 1 changed file with 10 additions and 25 deletions.
diff --git a/tcg/s390x/tcg-target.c.inc b/tcg/s390x/tcg-target.c.inc
@@ -1718,52 +1718,37 @@ static void tcg_out_qemu_st_direct(TCGContext *s, MemOp opc, TCGReg data,
 }
 
 #if defined(CONFIG_SOFTMMU)
+static const TCGLdstHelperParam ldst_helper_param = {
+    .ntmp = 1, .tmp = { TCG_TMP0 }
+};
+
 static bool tcg_out_qemu_ld_slow_path(TCGContext *s, TCGLabelQemuLdst *lb)
 {
-    TCGReg addr_reg = lb->addrlo_reg;
-    TCGReg data_reg = lb->datalo_reg;
-    MemOpIdx oi = lb->oi;
-    MemOp opc = get_memop(oi);
+    MemOp opc = get_memop(lb->oi);
 
     if (!patch_reloc(lb->label_ptr[0], R_390_PC16DBL,
                      (intptr_t)tcg_splitwx_to_rx(s->code_ptr), 2)) {
         return false;
     }
 
-    tcg_out_mov(s, TCG_TYPE_PTR, TCG_REG_R2, TCG_AREG0);
-    if (TARGET_LONG_BITS == 64) {
-        tcg_out_mov(s, TCG_TYPE_I64, TCG_REG_R3, addr_reg);
-    }
-    tcg_out_movi(s, TCG_TYPE_I32, TCG_REG_R4, oi);
-    tcg_out_movi(s, TCG_TYPE_PTR, TCG_REG_R5, (uintptr_t)lb->raddr);
-    tcg_out_call_int(s, qemu_ld_helpers[opc & (MO_BSWAP | MO_SSIZE)]);
-    tcg_out_mov(s, TCG_TYPE_I64, data_reg, TCG_REG_R2);
+    tcg_out_ld_helper_args(s, lb, &ldst_helper_param);
+    tcg_out_call_int(s, qemu_ld_helpers[opc & (MO_BSWAP | MO_SIZE)]);
+    tcg_out_ld_helper_ret(s, lb, false, &ldst_helper_param);
 
     tgen_gotoi(s, S390_CC_ALWAYS, lb->raddr);
     return true;
 }
 
 static bool tcg_out_qemu_st_slow_path(TCGContext *s, TCGLabelQemuLdst *lb)
 {
-    TCGReg addr_reg = lb->addrlo_reg;
-    TCGReg data_reg = lb->datalo_reg;
-    MemOpIdx oi = lb->oi;
-    MemOp opc = get_memop(oi);
-    MemOp size = opc & MO_SIZE;
+    MemOp opc = get_memop(lb->oi);
 
     if (!patch_reloc(lb->label_ptr[0], R_390_PC16DBL,
                      (intptr_t)tcg_splitwx_to_rx(s->code_ptr), 2)) {
         return false;
     }
 
-    tcg_out_mov(s, TCG_TYPE_PTR, TCG_REG_R2, TCG_AREG0);
-    if (TARGET_LONG_BITS == 64) {
-        tcg_out_mov(s, TCG_TYPE_I64, TCG_REG_R3, addr_reg);
-    }
-    tcg_out_movext(s, size == MO_64 ? TCG_TYPE_I64 : TCG_TYPE_I32,
-                   TCG_REG_R4, lb->type, size, data_reg);
-    tcg_out_movi(s, TCG_TYPE_I32, TCG_REG_R5, oi);
-    tcg_out_movi(s, TCG_TYPE_PTR, TCG_REG_R6, (uintptr_t)lb->raddr);
+    tcg_out_st_helper_args(s, lb, &ldst_helper_param);
     tcg_out_call_int(s, qemu_st_helpers[opc & (MO_BSWAP | MO_SIZE)]);
 
     tgen_gotoi(s, S390_CC_ALWAYS, lb->raddr);