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[Qemu-devel] [PULL 12/26] tcg/ppc: Implement goto_ptr
From: |
Richard Henderson |
Subject: |
[Qemu-devel] [PULL 12/26] tcg/ppc: Implement goto_ptr |
Date: |
Mon, 5 Jun 2017 09:52:19 -0700 |
Signed-off-by: Richard Henderson <address@hidden>
---
tcg/ppc/tcg-target.h | 2 +-
tcg/ppc/tcg-target.inc.c | 7 +++++++
2 files changed, 8 insertions(+), 1 deletion(-)
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" } },
--
2.9.4
- [Qemu-devel] [PULL 01/26] target/nios2: Fix 64-bit ilp32 compilation, (continued)
- [Qemu-devel] [PULL 01/26] target/nios2: Fix 64-bit ilp32 compilation, Richard Henderson, 2017/06/05
- [Qemu-devel] [PULL 02/26] tcg/sparc: Use the proper compilation flags for 32-bit, Richard Henderson, 2017/06/05
- [Qemu-devel] [PULL 03/26] qemu/atomic: Loosen restrictions for 64-bit ILP32 hosts, Richard Henderson, 2017/06/05
- [Qemu-devel] [PULL 04/26] tcg: Introduce goto_ptr opcode and tcg_gen_lookup_and_goto_ptr, Richard Henderson, 2017/06/05
- [Qemu-devel] [PULL 06/26] target/arm: optimize cross-page direct jumps in softmmu, Richard Henderson, 2017/06/05
- [Qemu-devel] [PULL 05/26] tcg/i386: implement goto_ptr, Richard Henderson, 2017/06/05
- [Qemu-devel] [PULL 08/26] target/i386: introduce gen_jr helper to generate lookup_and_goto_ptr, Richard Henderson, 2017/06/05
- [Qemu-devel] [PULL 09/26] target/i386: optimize cross-page direct jumps in softmmu, Richard Henderson, 2017/06/05
- [Qemu-devel] [PULL 07/26] target/arm: optimize indirect branches, Richard Henderson, 2017/06/05
- [Qemu-devel] [PULL 10/26] target/i386: optimize indirect branches, Richard Henderson, 2017/06/05
- [Qemu-devel] [PULL 12/26] tcg/ppc: Implement goto_ptr,
Richard Henderson <=
- [Qemu-devel] [PULL 14/26] tcg/sparc: Implement goto_ptr, Richard Henderson, 2017/06/05
- [Qemu-devel] [PULL 13/26] tcg/aarch64: Implement goto_ptr, Richard Henderson, 2017/06/05
- [Qemu-devel] [PULL 11/26] tb-hash: improve tb_jmp_cache hash function in user mode, Richard Henderson, 2017/06/05
- [Qemu-devel] [PULL 15/26] tcg/s390: Implement goto_ptr, Richard Henderson, 2017/06/05
- [Qemu-devel] [PULL 17/26] tcg/arm: Implement goto_ptr, Richard Henderson, 2017/06/05
- [Qemu-devel] [PULL 20/26] target/hppa: Use tcg_gen_lookup_and_goto_ptr, Richard Henderson, 2017/06/05
- [Qemu-devel] [PULL 21/26] target/aarch64: optimize cross-page direct jumps in softmmu, Richard Henderson, 2017/06/05
- [Qemu-devel] [PULL 16/26] tcg/arm: Clarify tcg_out_bx for arm4 host, Richard Henderson, 2017/06/05
- [Qemu-devel] [PULL 19/26] target/s390: Use tcg_gen_lookup_and_goto_ptr, Richard Henderson, 2017/06/05
- [Qemu-devel] [PULL 23/26] target/mips: optimize cross-page direct jumps in softmmu, Richard Henderson, 2017/06/05