cpu-exec.c: avoid AREG0 use

[qemu.git] / tcg / i386 / tcg-target.c

diff --git a/tcg/i386/tcg-target.c b/tcg/i386/tcg-target.c
index bb19a950bf50b1516ac32975eeb0acd86f600b86..72b3a48f1ffdb1b9cf551efcd502492c75f4e27a 100644 (file)
--- a/tcg/i386/tcg-target.c
+++ b/tcg/i386/tcg-target.c
@@ -1901,10 +1901,10 @@ static int tcg_target_callee_save_regs[] = {
     TCG_REG_RBX,
     TCG_REG_R12,
     TCG_REG_R13,
-    /* TCG_REG_R14, */ /* Currently used for the global env. */
+    TCG_REG_R14, /* Currently used for the global env. */
     TCG_REG_R15,
 #else
-    /* TCG_REG_EBP, */ /* Currently used for the global env. */
+    TCG_REG_EBP, /* Currently used for the global env. */
     TCG_REG_EBX,
     TCG_REG_ESI,
     TCG_REG_EDI,
@@ -1933,8 +1933,10 @@ static void tcg_target_qemu_prologue(TCGContext *s)
     stack_addend = frame_size - push_size;
     tcg_out_addi(s, TCG_REG_ESP, -stack_addend);
 
+    tcg_out_mov(s, TCG_TYPE_PTR, TCG_AREG0, tcg_target_call_iarg_regs[0]);
+
     /* jmp *tb.  */
-    tcg_out_modrm(s, OPC_GRP5, EXT5_JMPN_Ev, tcg_target_call_iarg_regs[0]);
+    tcg_out_modrm(s, OPC_GRP5, EXT5_JMPN_Ev, tcg_target_call_iarg_regs[1]);
 
     /* TB epilogue */
     tb_ret_addr = s->code_ptr;