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Diffstat (limited to 'accel/tcg/plugin-gen.c')
-rw-r--r--accel/tcg/plugin-gen.c32
1 files changed, 11 insertions, 21 deletions
diff --git a/accel/tcg/plugin-gen.c b/accel/tcg/plugin-gen.c
index e5dc9d0ca9..8a1bb801e0 100644
--- a/accel/tcg/plugin-gen.c
+++ b/accel/tcg/plugin-gen.c
@@ -320,22 +320,6 @@ static TCGOp *copy_const_ptr(TCGOp **begin_op, TCGOp *op, void *ptr)
return op;
}
-static TCGOp *copy_const_i64(TCGOp **begin_op, TCGOp *op, uint64_t v)
-{
- if (TCG_TARGET_REG_BITS == 32) {
- /* 2x mov_i32 */
- op = copy_op(begin_op, op, INDEX_op_mov_i32);
- op->args[1] = tcgv_i32_arg(tcg_constant_i32(v));
- op = copy_op(begin_op, op, INDEX_op_mov_i32);
- op->args[1] = tcgv_i32_arg(tcg_constant_i32(v >> 32));
- } else {
- /* mov_i64 */
- op = copy_op(begin_op, op, INDEX_op_mov_i64);
- op->args[1] = tcgv_i64_arg(tcg_constant_i64(v));
- }
- return op;
-}
-
static TCGOp *copy_extu_tl_i64(TCGOp **begin_op, TCGOp *op)
{
if (TARGET_LONG_BITS == 32) {
@@ -374,14 +358,17 @@ static TCGOp *copy_st_i64(TCGOp **begin_op, TCGOp *op)
return op;
}
-static TCGOp *copy_add_i64(TCGOp **begin_op, TCGOp *op)
+static TCGOp *copy_add_i64(TCGOp **begin_op, TCGOp *op, uint64_t v)
{
if (TCG_TARGET_REG_BITS == 32) {
/* all 32-bit backends must implement add2_i32 */
g_assert(TCG_TARGET_HAS_add2_i32);
op = copy_op(begin_op, op, INDEX_op_add2_i32);
+ op->args[4] = tcgv_i32_arg(tcg_constant_i32(v));
+ op->args[5] = tcgv_i32_arg(tcg_constant_i32(v >> 32));
} else {
op = copy_op(begin_op, op, INDEX_op_add_i64);
+ op->args[2] = tcgv_i64_arg(tcg_constant_i64(v));
}
return op;
}
@@ -431,6 +418,12 @@ static TCGOp *copy_call(TCGOp **begin_op, TCGOp *op, void *empty_func,
return op;
}
+/*
+ * When we append/replace ops here we are sensitive to changing patterns of
+ * TCGOps generated by the tcg_gen_FOO calls when we generated the
+ * empty callbacks. This will assert very quickly in a debug build as
+ * we assert the ops we are replacing are the correct ones.
+ */
static TCGOp *append_udata_cb(const struct qemu_plugin_dyn_cb *cb,
TCGOp *begin_op, TCGOp *op, int *cb_idx)
{
@@ -462,11 +455,8 @@ static TCGOp *append_inline_cb(const struct qemu_plugin_dyn_cb *cb,
/* ld_i64 */
op = copy_ld_i64(&begin_op, op);
- /* const_i64 */
- op = copy_const_i64(&begin_op, op, cb->inline_insn.imm);
-
/* add_i64 */
- op = copy_add_i64(&begin_op, op);
+ op = copy_add_i64(&begin_op, op, cb->inline_insn.imm);
/* st_i64 */
op = copy_st_i64(&begin_op, op);