tcg-ppc64: Use TCG_REG_Rn constants

Instead of bare N, for clarity.  The only (intentional) exception made
is for insns that encode R|0, i.e. when R0 encoded into the insn is
interpreted as zero not the contents of the register.

Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Richard Henderson 2013-08-31 05:41:45 -07:00
parent 29b6919869
commit 8327a470df

View file

@ -637,8 +637,8 @@ static void tcg_out_andi32(TCGContext *s, TCGReg dst, TCGReg src, uint32_t c)
} else if (mask_operand(c, &mb, &me)) {
tcg_out_rlw(s, RLWINM, dst, src, 0, mb, me);
} else {
tcg_out_movi(s, TCG_TYPE_I32, 0, c);
tcg_out32(s, AND | SAB(src, dst, 0));
tcg_out_movi(s, TCG_TYPE_I32, TCG_REG_R0, c);
tcg_out32(s, AND | SAB(src, dst, TCG_REG_R0));
}
}
@ -659,8 +659,8 @@ static void tcg_out_andi64(TCGContext *s, TCGReg dst, TCGReg src, uint64_t c)
tcg_out_rld(s, RLDICL, dst, src, 0, mb);
}
} else {
tcg_out_movi(s, TCG_TYPE_I64, 0, c);
tcg_out32(s, AND | SAB(src, dst, 0));
tcg_out_movi(s, TCG_TYPE_I64, TCG_REG_R0, c);
tcg_out32(s, AND | SAB(src, dst, TCG_REG_R0));
}
}
@ -695,8 +695,8 @@ static void tcg_out_b(TCGContext *s, int mask, tcg_target_long target)
if ((disp << 38) >> 38 == disp) {
tcg_out32(s, B | (disp & 0x3fffffc) | mask);
} else {
tcg_out_movi(s, TCG_TYPE_I64, 0, (tcg_target_long)target);
tcg_out32(s, MTSPR | RS(0) | CTR);
tcg_out_movi(s, TCG_TYPE_I64, TCG_REG_R0, (tcg_target_long)target);
tcg_out32(s, MTSPR | RS(TCG_REG_R0) | CTR);
tcg_out32(s, BCCTR | BO_ALWAYS | mask);
}
}
@ -714,14 +714,14 @@ static void tcg_out_call(TCGContext *s, tcg_target_long arg, int const_arg)
int reg = arg;
if (const_arg) {
reg = 2;
reg = TCG_REG_R2;
tcg_out_movi(s, TCG_TYPE_I64, reg, arg);
}
tcg_out32(s, LD | TAI(0, reg, 0));
tcg_out32(s, MTSPR | RA(0) | CTR);
tcg_out32(s, LD | TAI(11, reg, 16));
tcg_out32(s, LD | TAI(2, reg, 8));
tcg_out32(s, LD | TAI(TCG_REG_R0, reg, 0));
tcg_out32(s, MTSPR | RA(TCG_REG_R0) | CTR);
tcg_out32(s, LD | TAI(TCG_REG_R11, reg, 16));
tcg_out32(s, LD | TAI(TCG_REG_R2, reg, 8));
tcg_out32(s, BCCTR | BO_ALWAYS | LK);
#endif
}
@ -732,8 +732,8 @@ static void tcg_out_ldst(TCGContext *s, TCGReg ret, TCGReg addr,
if (offset == (int16_t) offset) {
tcg_out32(s, op1 | TAI(ret, addr, offset));
} else {
tcg_out_movi(s, TCG_TYPE_I64, 0, offset);
tcg_out32(s, op2 | TAB(ret, addr, 0));
tcg_out_movi(s, TCG_TYPE_I64, TCG_REG_R0, offset);
tcg_out32(s, op2 | TAB(ret, addr, TCG_REG_R0));
}
}
@ -743,8 +743,8 @@ static void tcg_out_ldsta(TCGContext *s, TCGReg ret, TCGReg addr,
if (offset == (int16_t)(offset & ~3)) {
tcg_out32(s, op1 | TAI(ret, addr, offset));
} else {
tcg_out_movi(s, TCG_TYPE_I64, 0, offset);
tcg_out32(s, op2 | TAB(ret, addr, 0));
tcg_out_movi(s, TCG_TYPE_I64, TCG_REG_R0, offset);
tcg_out32(s, op2 | TAB(ret, addr, TCG_REG_R0));
}
}
@ -841,9 +841,9 @@ static void tcg_out_qemu_ld(TCGContext *s, const TCGArg *args, int opc)
#ifdef CONFIG_SOFTMMU
mem_index = *args;
r0 = 3;
r1 = 4;
r2 = 0;
r0 = TCG_REG_R3;
r1 = TCG_REG_R4;
r2 = TCG_REG_R0;
rbase = 0;
tcg_out_tlb_read(s, r0, r1, r2, addr_reg, s_bits,
@ -857,7 +857,7 @@ static void tcg_out_qemu_ld(TCGContext *s, const TCGArg *args, int opc)
#endif
/* slow path */
ir = 3;
ir = TCG_REG_R3;
tcg_out_mov(s, TCG_TYPE_I64, ir++, TCG_AREG0);
tcg_out_mov(s, TCG_TYPE_I64, ir++, addr_reg);
tcg_out_movi(s, TCG_TYPE_I64, ir++, mem_index);
@ -866,9 +866,9 @@ static void tcg_out_qemu_ld(TCGContext *s, const TCGArg *args, int opc)
if (opc & 4) {
insn = qemu_exts_opc[s_bits];
tcg_out32(s, insn | RA(data_reg) | RS(3));
} else if (data_reg != 3) {
tcg_out_mov(s, TCG_TYPE_I64, data_reg, 3);
tcg_out32(s, insn | RA(data_reg) | RS(TCG_REG_R3));
} else if (data_reg != TCG_REG_R3) {
tcg_out_mov(s, TCG_TYPE_I64, data_reg, TCG_REG_R3);
}
label2_ptr = s->code_ptr;
tcg_out32(s, B);
@ -891,7 +891,7 @@ static void tcg_out_qemu_ld(TCGContext *s, const TCGArg *args, int opc)
tcg_out_ext32u(s, addr_reg, addr_reg);
#endif
r0 = addr_reg;
r1 = 3;
r1 = TCG_REG_R3;
rbase = GUEST_BASE ? TCG_GUEST_BASE_REG : 0;
#endif
@ -931,9 +931,9 @@ static void tcg_out_qemu_st(TCGContext *s, const TCGArg *args, int opc)
#ifdef CONFIG_SOFTMMU
mem_index = *args;
r0 = 3;
r1 = 4;
r2 = 0;
r0 = TCG_REG_R3;
r1 = TCG_REG_R4;
r2 = TCG_REG_R0;
rbase = 0;
tcg_out_tlb_read(s, r0, r1, r2, addr_reg, opc,
@ -947,7 +947,7 @@ static void tcg_out_qemu_st(TCGContext *s, const TCGArg *args, int opc)
#endif
/* slow path */
ir = 3;
ir = TCG_REG_R3;
tcg_out_mov(s, TCG_TYPE_I64, ir++, TCG_AREG0);
tcg_out_mov(s, TCG_TYPE_I64, ir++, addr_reg);
tcg_out_rld(s, RLDICL, ir++, data_reg, 0, 64 - (1 << (3 + opc)));
@ -974,7 +974,7 @@ static void tcg_out_qemu_st(TCGContext *s, const TCGArg *args, int opc)
#if TARGET_LONG_BITS == 32
tcg_out_ext32u(s, addr_reg, addr_reg);
#endif
r1 = 3;
r1 = TCG_REG_R3;
r0 = addr_reg;
rbase = GUEST_BASE ? TCG_GUEST_BASE_REG : 0;
#endif
@ -983,8 +983,8 @@ static void tcg_out_qemu_st(TCGContext *s, const TCGArg *args, int opc)
if (!HAVE_ISA_2_06 && insn == STDBRX) {
tcg_out32(s, STWBRX | SAB(data_reg, rbase, r0));
tcg_out32(s, ADDI | TAI(r1, r0, 4));
tcg_out_shri64(s, 0, data_reg, 32);
tcg_out32(s, STWBRX | SAB(0, rbase, r1));
tcg_out_shri64(s, TCG_REG_R0, data_reg, 32);
tcg_out32(s, STWBRX | SAB(TCG_REG_R0, rbase, r1));
} else {
tcg_out32(s, insn | SAB(data_reg, rbase, r0));
}
@ -1026,13 +1026,13 @@ static void tcg_target_qemu_prologue(TCGContext *s)
#endif
/* Prologue */
tcg_out32(s, MFSPR | RT(0) | LR);
tcg_out32(s, STDU | SAI(1, 1, -frame_size));
tcg_out32(s, MFSPR | RT(TCG_REG_R0) | LR);
tcg_out32(s, STDU | SAI(TCG_REG_R1, TCG_REG_R1, -frame_size));
for (i = 0; i < ARRAY_SIZE(tcg_target_callee_save_regs); ++i) {
tcg_out32(s, STD | SAI(tcg_target_callee_save_regs[i], 1,
i * 8 + 48 + TCG_STATIC_CALL_ARGS_SIZE));
}
tcg_out32(s, STD | SAI(0, 1, frame_size + 16));
tcg_out32(s, STD | SAI(TCG_REG_R0, TCG_REG_R1, frame_size + 16));
#ifdef CONFIG_USE_GUEST_BASE
if (GUEST_BASE) {
@ -1049,12 +1049,12 @@ static void tcg_target_qemu_prologue(TCGContext *s)
tb_ret_addr = s->code_ptr;
for (i = 0; i < ARRAY_SIZE(tcg_target_callee_save_regs); ++i) {
tcg_out32(s, LD | TAI(tcg_target_callee_save_regs[i], 1,
tcg_out32(s, LD | TAI(tcg_target_callee_save_regs[i], TCG_REG_R1,
i * 8 + 48 + TCG_STATIC_CALL_ARGS_SIZE));
}
tcg_out32(s, LD | TAI(0, 1, frame_size + 16));
tcg_out32(s, MTSPR | RS(0) | LR);
tcg_out32(s, ADDI | TAI(1, 1, frame_size));
tcg_out32(s, LD | TAI(TCG_REG_R0, TCG_REG_R1, frame_size + 16));
tcg_out32(s, MTSPR | RS(TCG_REG_R0) | LR);
tcg_out32(s, ADDI | TAI(TCG_REG_R1, TCG_REG_R1, frame_size));
tcg_out32(s, BCLR | BO_ALWAYS);
}
@ -1146,8 +1146,8 @@ static void tcg_out_cmp(TCGContext *s, int cond, TCGArg arg1, TCGArg arg2,
tcg_out32(s, op | RA(arg1) | (arg2 & 0xffff));
} else {
if (const_arg2) {
tcg_out_movi(s, type, 0, arg2);
arg2 = 0;
tcg_out_movi(s, type, TCG_REG_R0, arg2);
arg2 = TCG_REG_R0;
}
tcg_out32(s, op | RA(arg1) | RB(arg2));
}
@ -1168,8 +1168,8 @@ static void tcg_out_setcond_ne0(TCGContext *s, TCGReg dst, TCGReg src)
tcg_out32(s, ADDIC | TAI(dst, src, -1));
tcg_out32(s, SUBFE | TAB(dst, dst, src));
} else {
tcg_out32(s, ADDIC | TAI(0, src, -1));
tcg_out32(s, SUBFE | TAB(dst, 0, src));
tcg_out32(s, ADDIC | TAI(TCG_REG_R0, src, -1));
tcg_out32(s, SUBFE | TAB(dst, TCG_REG_R0, src));
}
}
@ -1350,7 +1350,7 @@ static void tcg_out_movcond(TCGContext *s, TCGType type, TCGCond cond,
}
/* V1 == 0 is handled by isel; V2 == 0 must be handled by hand. */
if (v2 == 0) {
tcg_out_movi(s, type, 0, 0);
tcg_out_movi(s, type, TCG_REG_R0, 0);
}
tcg_out32(s, isel | TAB(dest, v1, v2));
} else {
@ -1635,8 +1635,8 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, const TCGArg *args,
if (const_args[2]) {
tcg_out_rlw(s, RLWINM, args[0], args[1], 32 - args[2], 0, 31);
} else {
tcg_out32(s, SUBFIC | TAI(0, args[2], 32));
tcg_out32(s, RLWNM | SAB(args[1], args[0], 0)
tcg_out32(s, SUBFIC | TAI(TCG_REG_R0, args[2], 32));
tcg_out32(s, RLWNM | SAB(args[1], args[0], TCG_REG_R0)
| MB(0) | ME(31));
}
break;
@ -1743,8 +1743,8 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, const TCGArg *args,
if (const_args[2]) {
tcg_out_rld(s, RLDICL, args[0], args[1], 64 - args[2], 0);
} else {
tcg_out32(s, SUBFIC | TAI(0, args[2], 64));
tcg_out32(s, RLDCL | SAB(args[1], args[0], 0) | MB64(0));
tcg_out32(s, SUBFIC | TAI(TCG_REG_R0, args[2], 64));
tcg_out32(s, RLDCL | SAB(args[1], args[0], TCG_REG_R0) | MB64(0));
}
break;
@ -1861,9 +1861,9 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, const TCGArg *args,
break;
case INDEX_op_bswap64_i64:
a0 = args[0], a1 = args[1], a2 = 0;
a0 = args[0], a1 = args[1], a2 = TCG_REG_R0;
if (a0 == a1) {
a0 = 0;
a0 = TCG_REG_R0;
a2 = a1;
}