diff options
Diffstat (limited to 'tcg/sparc/tcg-target.c')
| -rw-r--r-- | tcg/sparc/tcg-target.c | 66 |
1 files changed, 54 insertions, 12 deletions
diff --git a/tcg/sparc/tcg-target.c b/tcg/sparc/tcg-target.c index cddefee07b..b0fc429a8f 100644 --- a/tcg/sparc/tcg-target.c +++ b/tcg/sparc/tcg-target.c @@ -71,7 +71,6 @@ static const int tcg_target_reg_alloc_order[TCG_TARGET_NB_REGS] = { TCG_REG_I2, TCG_REG_I3, TCG_REG_I4, - TCG_REG_I5, }; static const int tcg_target_call_iarg_regs[6] = { @@ -161,8 +160,11 @@ static inline int tcg_target_const_match(tcg_target_long val, #define INSN_RS2(x) (x) #define INSN_IMM13(x) ((1 << 13) | ((x) & 0x1fff)) +#define INSN_OFF22(x) (((x) >> 2) & 0x3fffff) -#define INSN_COND(x, a) (((x) << 25) | ((a) << 29) +#define INSN_COND(x, a) (((x) << 25) | ((a) << 29)) +#define COND_A 0x8 +#define BA (INSN_OP(0) | INSN_COND(COND_A, 0) | INSN_OP2(0x2)) #define ARITH_ADD (INSN_OP(2) | INSN_OP3(0x00)) #define ARITH_AND (INSN_OP(2) | INSN_OP3(0x01)) @@ -213,6 +215,10 @@ static inline void tcg_out_mov(TCGContext *s, int ret, int arg) static inline void tcg_out_movi(TCGContext *s, TCGType type, int ret, tcg_target_long arg) { +#if defined(__sparc_v9__) && !defined(__sparc_v8plus__) + if (arg != (arg & 0xffffffff)) + fprintf(stderr, "unimplemented %s with constant %ld\n", __func__, arg); +#endif if (arg == (arg & 0xfff)) tcg_out32(s, ARITH_OR | INSN_RD(ret) | INSN_RS1(TCG_REG_G0) | INSN_IMM13(arg)); @@ -232,6 +238,21 @@ static inline void tcg_out_ld_raw(TCGContext *s, int ret, INSN_IMM13(arg & 0x3ff)); } +static inline void tcg_out_ld_ptr(TCGContext *s, int ret, + tcg_target_long arg) +{ +#if defined(__sparc_v9__) && !defined(__sparc_v8plus__) + if (arg != (arg & 0xffffffff)) + fprintf(stderr, "unimplemented %s with offset %ld\n", __func__, arg); + if (arg != (arg & 0xfff)) + tcg_out32(s, SETHI | INSN_RD(ret) | (((uint32_t)arg & 0xfffffc00) >> 10)); + tcg_out32(s, LDX | INSN_RD(ret) | INSN_RS1(ret) | + INSN_IMM13(arg & 0x3ff)); +#else + tcg_out_ld_raw(s, ret, arg); +#endif +} + static inline void tcg_out_ldst(TCGContext *s, int ret, int addr, int offset, int op) { if (offset == (offset & 0xfff)) @@ -290,6 +311,12 @@ static inline void tcg_out_nop(TCGContext *s) tcg_out32(s, SETHI | INSN_RD(TCG_REG_G0) | 0); } +static inline void tcg_target_prologue(TCGContext *s) +{ + tcg_out32(s, SAVE | INSN_RD(TCG_REG_O6) | INSN_RS1(TCG_REG_O6) | + INSN_IMM13(-TCG_TARGET_STACK_MINFRAME)); +} + static inline void tcg_out_op(TCGContext *s, int opc, const TCGArg *args, const int *const_args) { @@ -297,22 +324,31 @@ static inline void tcg_out_op(TCGContext *s, int opc, const TCGArg *args, switch (opc) { case INDEX_op_exit_tb: - tcg_out_movi(s, TCG_TYPE_PTR, TCG_REG_O0, args[0]); - tcg_out32(s, JMPL | INSN_RD(TCG_REG_G0) | INSN_RS1(TCG_REG_O7) | + tcg_out_movi(s, TCG_TYPE_PTR, TCG_REG_I0, args[0]); + tcg_out32(s, JMPL | INSN_RD(TCG_REG_G0) | INSN_RS1(TCG_REG_I7) | INSN_IMM13(8)); - tcg_out_nop(s); + tcg_out32(s, RESTORE | INSN_RD(TCG_REG_G0) | INSN_RS1(TCG_REG_G0) | + INSN_RS2(TCG_REG_G0)); break; case INDEX_op_goto_tb: if (s->tb_jmp_offset) { /* direct jump method */ - tcg_out_movi(s, TCG_TYPE_TL, TCG_REG_I5, args[0]); + if (ABS(args[0] - (unsigned long)s->code_ptr) == + (ABS(args[0] - (unsigned long)s->code_ptr) & 0x1fffff)) { + tcg_out32(s, BA | + INSN_OFF22(args[0] - (unsigned long)s->code_ptr)); + } else { + tcg_out_movi(s, TCG_TYPE_PTR, TCG_REG_I5, args[0]); + tcg_out32(s, JMPL | INSN_RD(TCG_REG_G0) | INSN_RS1(TCG_REG_I5) | + INSN_RS2(TCG_REG_G0)); + } s->tb_jmp_offset[args[0]] = s->code_ptr - s->code_buf; } else { /* indirect jump method */ - tcg_out_ld_raw(s, TCG_REG_I5, (tcg_target_long)(s->tb_next + args[0])); + tcg_out_ld_ptr(s, TCG_REG_I5, (tcg_target_long)(s->tb_next + args[0])); + tcg_out32(s, JMPL | INSN_RD(TCG_REG_G0) | INSN_RS1(TCG_REG_I5) | + INSN_RS2(TCG_REG_G0)); } - tcg_out32(s, JMPL | INSN_RD(TCG_REG_G0) | INSN_RS1(TCG_REG_I5) | - INSN_RS2(TCG_REG_G0)); tcg_out_nop(s); s->tb_next_offset[args[0]] = s->code_ptr - s->code_buf; break; @@ -323,7 +359,7 @@ static inline void tcg_out_op(TCGContext *s, int opc, const TCGArg *args, & 0x3fffffff)); tcg_out_nop(s); } else { - tcg_out_ld_raw(s, TCG_REG_O7, (tcg_target_long)(s->tb_next + args[0])); + tcg_out_ld_ptr(s, TCG_REG_O7, (tcg_target_long)(s->tb_next + args[0])); tcg_out32(s, JMPL | INSN_RD(TCG_REG_O7) | INSN_RS1(TCG_REG_O7) | INSN_RS2(TCG_REG_G0)); tcg_out_nop(s); @@ -514,7 +550,7 @@ static inline void tcg_out_op(TCGContext *s, int opc, const TCGArg *args, static const TCGTargetOpDef sparc_op_defs[] = { { INDEX_op_exit_tb, { } }, - { INDEX_op_goto_tb, { "r" } }, + { INDEX_op_goto_tb, { } }, { INDEX_op_call, { "ri" } }, { INDEX_op_jmp, { "ri" } }, { INDEX_op_br, { } }, @@ -596,13 +632,19 @@ void tcg_target_init(TCGContext *s) tcg_regset_set32(tcg_target_available_regs[TCG_TYPE_I64], 0, 0xffffffff); #endif tcg_regset_set32(tcg_target_call_clobber_regs, 0, + (1 << TCG_REG_G1) | + (1 << TCG_REG_G2) | + (1 << TCG_REG_G3) | + (1 << TCG_REG_G4) | + (1 << TCG_REG_G5) | + (1 << TCG_REG_G6) | + (1 << TCG_REG_G7) | (1 << TCG_REG_O0) | (1 << TCG_REG_O1) | (1 << TCG_REG_O2) | (1 << TCG_REG_O3) | (1 << TCG_REG_O4) | (1 << TCG_REG_O5) | - (1 << TCG_REG_O6) | (1 << TCG_REG_O7)); tcg_regset_clear(s->reserved_regs); |