[PATCH v4 37/54] tcg/aarch64: Convert tcg_out_qemu_{ld,st}_slow_path

[Richard Henderson]

Use tcg_out_ld_helper_args, tcg_out_ld_helper_ret,
and tcg_out_st_helper_args.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 tcg/aarch64/tcg-target.c.inc | 40 +++++++++++++++---------------------
 1 file changed, 16 insertions(+), 24 deletions(-)

diff --git a/tcg/aarch64/tcg-target.c.inc b/tcg/aarch64/tcg-target.c.inc
index 202b90c001..62dd22d73c 100644
--- a/tcg/aarch64/tcg-target.c.inc
+++ b/tcg/aarch64/tcg-target.c.inc
@@ -1580,13 +1580,6 @@ static void tcg_out_cltz(TCGContext *s, TCGType ext, 
TCGReg d,
     }
 }
 
-static void tcg_out_adr(TCGContext *s, TCGReg rd, const void *target)
-{
-    ptrdiff_t offset = tcg_pcrel_diff(s, target);
-    tcg_debug_assert(offset == sextract64(offset, 0, 21));
-    tcg_out_insn(s, 3406, ADR, rd, offset);
-}
-
 typedef struct {
     TCGReg base;
     TCGReg index;
@@ -1627,47 +1620,46 @@ static void * const qemu_st_helpers[MO_SIZE + 1] = {
 #endif
 };
 
+static const TCGLdstHelperParam ldst_helper_param = {
+    .ntmp = 1, .tmp = { TCG_REG_TMP }
+};
+
 static bool tcg_out_qemu_ld_slow_path(TCGContext *s, TCGLabelQemuLdst *lb)
 {
-    MemOpIdx oi = lb->oi;
-    MemOp opc = get_memop(oi);
+    MemOp opc = get_memop(lb->oi);
 
     if (!reloc_pc19(lb->label_ptr[0], tcg_splitwx_to_rx(s->code_ptr))) {
         return false;
     }
 
-    tcg_out_mov(s, TCG_TYPE_PTR, TCG_REG_X0, TCG_AREG0);
-    tcg_out_mov(s, TARGET_LONG_BITS == 64, TCG_REG_X1, lb->addrlo_reg);
-    tcg_out_movi(s, TCG_TYPE_I32, TCG_REG_X2, oi);
-    tcg_out_adr(s, TCG_REG_X3, lb->raddr);
+    tcg_out_ld_helper_args(s, lb, &ldst_helper_param);
     tcg_out_call_int(s, qemu_ld_helpers[opc & MO_SIZE]);
-
-    tcg_out_movext(s, lb->type, lb->datalo_reg,
-                   TCG_TYPE_REG, opc & MO_SSIZE, TCG_REG_X0);
+    tcg_out_ld_helper_ret(s, lb, false, &ldst_helper_param);
     tcg_out_goto(s, lb->raddr);
     return true;
 }
 
 static bool tcg_out_qemu_st_slow_path(TCGContext *s, TCGLabelQemuLdst *lb)
 {
-    MemOpIdx oi = lb->oi;
-    MemOp opc = get_memop(oi);
-    MemOp size = opc & MO_SIZE;
+    MemOp opc = get_memop(lb->oi);
 
     if (!reloc_pc19(lb->label_ptr[0], tcg_splitwx_to_rx(s->code_ptr))) {
         return false;
     }
 
-    tcg_out_mov(s, TCG_TYPE_PTR, TCG_REG_X0, TCG_AREG0);
-    tcg_out_mov(s, TARGET_LONG_BITS == 64, TCG_REG_X1, lb->addrlo_reg);
-    tcg_out_mov(s, size == MO_64, TCG_REG_X2, lb->datalo_reg);
-    tcg_out_movi(s, TCG_TYPE_I32, TCG_REG_X3, oi);
-    tcg_out_adr(s, TCG_REG_X4, lb->raddr);
+    tcg_out_st_helper_args(s, lb, &ldst_helper_param);
     tcg_out_call_int(s, qemu_st_helpers[opc & MO_SIZE]);
     tcg_out_goto(s, lb->raddr);
     return true;
 }
 #else
+static void tcg_out_adr(TCGContext *s, TCGReg rd, const void *target)
+{
+    ptrdiff_t offset = tcg_pcrel_diff(s, target);
+    tcg_debug_assert(offset == sextract64(offset, 0, 21));
+    tcg_out_insn(s, 3406, ADR, rd, offset);
+}
+
 static bool tcg_out_fail_alignment(TCGContext *s, TCGLabelQemuLdst *l)
 {
     if (!reloc_pc19(l->label_ptr[0], tcg_splitwx_to_rx(s->code_ptr))) {
-- 
2.34.1