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tcg/ppc: Implement goto_ptr 

Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Richard Henderson 2017-04-26 11:50:31 +00:00
parent 6f1653180f
commit 0c240785a8
2 changed files with 8 additions and 1 deletions
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2
tcg/ppc/tcg-target.h
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@ -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

7
tcg/ppc/tcg-target.inc.c
View File

@ -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" } },