This implements STMT_ARRAY_STORE_CHECK(reg, reg) according to the x86-64
ABI.
Signed-off-by: Eduard - Gabriel Munteanu <eduard.munte...@linux360.ro>
---
arch/x86/insn-selector.brg | 31 +++++++++++++++++++++++++++++++
1 files changed, 31 insertions(+), 0 deletions(-)
diff --git a/arch/x86/insn-selector.brg b/arch/x86/insn-selector.brg
index 34d11fc..5536d8f 100644
--- a/arch/x86/insn-selector.brg
+++ b/arch/x86/insn-selector.brg
@@ -2498,6 +2498,7 @@ stmt: STMT_STORE(freg, array_deref)
select_insn(s, tree,
memindex_reg_insn(INSN_MOV_64_MEMINDEX_XMM, base, index, scale, dest));
}
+%ifdef CONFIG_X86_32
stmt: STMT_ARRAY_STORE_CHECK(reg, reg) 1
{
struct expression *src_expr;
@@ -2519,6 +2520,36 @@ stmt: STMT_ARRAY_STORE_CHECK(reg, reg) 1
method_args_cleanup(s, tree, 2);
select_exception_test(s, tree);
}
+%else
+stmt: STMT_ARRAY_STORE_CHECK(reg, reg) 1
+{
+ struct expression *src_expr;
+ struct statement *stmt;
+ struct var_info *rdi, *rsi;
+
+ stmt = to_stmt(tree);
+ src_expr = to_expr(stmt->store_check_src);
+
+ rdi = get_fixed_var(s->b_parent, MACH_REG_RDI);
+ rsi = get_fixed_var(s->b_parent, MACH_REG_RSI);
+
+ if (src_expr->vm_type == J_REFERENCE) {
+ select_insn(s, tree, reg_reg_insn(INSN_MOV_REG_REG,
+ state->right->reg1, rdi));
+ select_insn(s, tree, reg_reg_insn(INSN_MOV_REG_REG,
+ state->left->reg1, rsi));
+ select_insn(s, tree, rel_insn(INSN_CALL_REL, (unsigned long)
array_store_check));
+ } else {
+ select_insn(s, tree, reg_reg_insn(INSN_MOV_REG_REG,
+ state->right->reg1, rdi));
+ select_insn(s, tree, imm_reg_insn(INSN_MOV_IMM_REG,
+ src_expr->vm_type, rsi));
+ select_insn(s, tree, rel_insn(INSN_CALL_REL, (unsigned long)
array_store_check_vmtype));
+ }
+
+ select_exception_test(s, tree);
+}
+%endif
stmt: STMT_ARRAY_STORE_CHECK(freg, reg) 1
{
--
1.6.0.6
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