aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorRichard Henderson <rth@twiddle.net>2017-04-26 11:50:31 +0000
committerRichard Henderson <rth@twiddle.net>2017-06-05 09:25:42 -0700
commit0c240785a843f70df5116cea2652c6c042ade36b (patch)
treed2872a6e7896bb9eeb458f51288d7a5ef6e365fb
parent6f1653180f5701c6a8f1b35b89a80b1e3260928e (diff)
downloadqemu-0c240785a843f70df5116cea2652c6c042ade36b.zip
qemu-0c240785a843f70df5116cea2652c6c042ade36b.tar.gz
qemu-0c240785a843f70df5116cea2652c6c042ade36b.tar.bz2
tcg/ppc: Implement goto_ptr
Signed-off-by: Richard Henderson <rth@twiddle.net>
-rw-r--r--tcg/ppc/tcg-target.h2
-rw-r--r--tcg/ppc/tcg-target.inc.c7
2 files changed, 8 insertions, 1 deletions
diff --git a/tcg/ppc/tcg-target.h b/tcg/ppc/tcg-target.h
index a9aa974..5f4a40a 100644
--- a/tcg/ppc/tcg-target.h
+++ b/tcg/ppc/tcg-target.h
@@ -82,7 +82,7 @@ extern bool have_isa_3_00;
#define TCG_TARGET_HAS_muls2_i32 0
#define TCG_TARGET_HAS_muluh_i32 1
#define TCG_TARGET_HAS_mulsh_i32 1
-#define TCG_TARGET_HAS_goto_ptr 0
+#define TCG_TARGET_HAS_goto_ptr 1
#if TCG_TARGET_REG_BITS == 64
#define TCG_TARGET_HAS_add2_i32 0
diff --git a/tcg/ppc/tcg-target.inc.c b/tcg/ppc/tcg-target.inc.c
index 64f67d2..8d50f18 100644
--- a/tcg/ppc/tcg-target.inc.c
+++ b/tcg/ppc/tcg-target.inc.c
@@ -1932,6 +1932,7 @@ static void tcg_target_qemu_prologue(TCGContext *s)
/* Epilogue */
tcg_debug_assert(tb_ret_addr == s->code_ptr);
+ s->code_gen_epilogue = tb_ret_addr;
tcg_out_ld(s, TCG_TYPE_PTR, TCG_REG_R0, TCG_REG_R1, FRAME_SIZE+LR_OFFSET);
for (i = 0; i < ARRAY_SIZE(tcg_target_callee_save_regs); ++i) {
@@ -1986,6 +1987,11 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, const TCGArg *args,
#endif
s->tb_jmp_reset_offset[args[0]] = tcg_current_code_size(s);
break;
+ case INDEX_op_goto_ptr:
+ tcg_out32(s, MTSPR | RS(args[0]) | CTR);
+ tcg_out_movi(s, TCG_TYPE_PTR, TCG_REG_R3, 0);
+ tcg_out32(s, BCCTR | BO_ALWAYS);
+ break;
case INDEX_op_br:
{
TCGLabel *l = arg_label(args[0]);
@@ -2555,6 +2561,7 @@ static const TCGTargetOpDef ppc_op_defs[] = {
{ INDEX_op_exit_tb, { } },
{ INDEX_op_goto_tb, { } },
{ INDEX_op_br, { } },
+ { INDEX_op_goto_ptr, { "r" } },
{ INDEX_op_ld8u_i32, { "r", "r" } },
{ INDEX_op_ld8s_i32, { "r", "r" } },