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tcg/sparc: Implement goto_ptr

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Backports commit 38f81dc5938fb7025531c5ed602afd41fef799a7 from qemu
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Richard Henderson 2018-03-03 14:14:30 -05:00 committed by Lioncash
parent 81f1aae572
commit f0420c3427
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GPG key ID: 4E3C3CC1031BA9C7
2 changed files with 11 additions and 2 deletions
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2
qemu/tcg/sparc/tcg-target.h
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@ -123,7 +123,7 @@ extern bool use_vis3_instructions;
#define TCG_TARGET_HAS_muls2_i32 1
#define TCG_TARGET_HAS_muluh_i32 0
#define TCG_TARGET_HAS_mulsh_i32 0
#define TCG_TARGET_HAS_goto_ptr 0
#define TCG_TARGET_HAS_goto_ptr 1
#define TCG_TARGET_HAS_extrl_i64_i32 1
#define TCG_TARGET_HAS_extrh_i64_i32 1

11
qemu/tcg/sparc/tcg-target.inc.c
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@ -1005,7 +1005,11 @@ static void tcg_target_qemu_prologue(TCGContext *s)
/* delay slot */
tcg_out_nop(s);
/* No epilogue required. We issue ret + restore directly in the TB. */
/* Epilogue for goto_ptr. */
s->code_gen_epilogue = s->code_ptr;
tcg_out_arithi(s, TCG_REG_G0, TCG_REG_I7, 8, RETURN);
/* delay slot */
tcg_out_movi_imm13(s, TCG_REG_O0, 0);
#ifdef CONFIG_SOFTMMU
build_trampolines(s);
@ -1290,6 +1294,10 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc,
tcg_out_nop(s);
s->tb_jmp_reset_offset[a0] = tcg_current_code_size(s);
break;
case INDEX_op_goto_ptr:
tcg_out_arithi(s, TCG_REG_G0, a0, 0, JMPL);
tcg_out_nop(s);
break;
case INDEX_op_br:
tcg_out_bpcc(s, COND_A, BPCC_PT, arg_label(s, a0));
tcg_out_nop(s);
@ -1515,6 +1523,7 @@ static const TCGTargetOpDef sparc_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" } },