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https://gitlab.com/qemu-project/qemu
synced 2024-09-06 09:55:55 +00:00
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:
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29b6919869
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8327a470df
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@ -637,8 +637,8 @@ static void tcg_out_andi32(TCGContext *s, TCGReg dst, TCGReg src, uint32_t c)
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} else if (mask_operand(c, &mb, &me)) {
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tcg_out_rlw(s, RLWINM, dst, src, 0, mb, me);
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} else {
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tcg_out_movi(s, TCG_TYPE_I32, 0, c);
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tcg_out32(s, AND | SAB(src, dst, 0));
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tcg_out_movi(s, TCG_TYPE_I32, TCG_REG_R0, c);
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tcg_out32(s, AND | SAB(src, dst, TCG_REG_R0));
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}
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}
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@ -659,8 +659,8 @@ static void tcg_out_andi64(TCGContext *s, TCGReg dst, TCGReg src, uint64_t c)
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tcg_out_rld(s, RLDICL, dst, src, 0, mb);
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}
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} else {
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tcg_out_movi(s, TCG_TYPE_I64, 0, c);
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tcg_out32(s, AND | SAB(src, dst, 0));
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tcg_out_movi(s, TCG_TYPE_I64, TCG_REG_R0, c);
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tcg_out32(s, AND | SAB(src, dst, TCG_REG_R0));
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}
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}
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@ -695,8 +695,8 @@ static void tcg_out_b(TCGContext *s, int mask, tcg_target_long target)
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if ((disp << 38) >> 38 == disp) {
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tcg_out32(s, B | (disp & 0x3fffffc) | mask);
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} else {
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tcg_out_movi(s, TCG_TYPE_I64, 0, (tcg_target_long)target);
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tcg_out32(s, MTSPR | RS(0) | CTR);
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tcg_out_movi(s, TCG_TYPE_I64, TCG_REG_R0, (tcg_target_long)target);
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tcg_out32(s, MTSPR | RS(TCG_REG_R0) | CTR);
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tcg_out32(s, BCCTR | BO_ALWAYS | mask);
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}
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}
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@ -714,14 +714,14 @@ static void tcg_out_call(TCGContext *s, tcg_target_long arg, int const_arg)
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int reg = arg;
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if (const_arg) {
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reg = 2;
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reg = TCG_REG_R2;
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tcg_out_movi(s, TCG_TYPE_I64, reg, arg);
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}
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tcg_out32(s, LD | TAI(0, reg, 0));
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tcg_out32(s, MTSPR | RA(0) | CTR);
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tcg_out32(s, LD | TAI(11, reg, 16));
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tcg_out32(s, LD | TAI(2, reg, 8));
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tcg_out32(s, LD | TAI(TCG_REG_R0, reg, 0));
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tcg_out32(s, MTSPR | RA(TCG_REG_R0) | CTR);
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tcg_out32(s, LD | TAI(TCG_REG_R11, reg, 16));
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tcg_out32(s, LD | TAI(TCG_REG_R2, reg, 8));
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tcg_out32(s, BCCTR | BO_ALWAYS | LK);
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#endif
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}
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@ -732,8 +732,8 @@ static void tcg_out_ldst(TCGContext *s, TCGReg ret, TCGReg addr,
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if (offset == (int16_t) offset) {
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tcg_out32(s, op1 | TAI(ret, addr, offset));
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} else {
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tcg_out_movi(s, TCG_TYPE_I64, 0, offset);
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tcg_out32(s, op2 | TAB(ret, addr, 0));
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tcg_out_movi(s, TCG_TYPE_I64, TCG_REG_R0, offset);
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tcg_out32(s, op2 | TAB(ret, addr, TCG_REG_R0));
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}
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}
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@ -743,8 +743,8 @@ static void tcg_out_ldsta(TCGContext *s, TCGReg ret, TCGReg addr,
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if (offset == (int16_t)(offset & ~3)) {
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tcg_out32(s, op1 | TAI(ret, addr, offset));
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} else {
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tcg_out_movi(s, TCG_TYPE_I64, 0, offset);
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tcg_out32(s, op2 | TAB(ret, addr, 0));
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tcg_out_movi(s, TCG_TYPE_I64, TCG_REG_R0, offset);
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tcg_out32(s, op2 | TAB(ret, addr, TCG_REG_R0));
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}
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}
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@ -841,9 +841,9 @@ static void tcg_out_qemu_ld(TCGContext *s, const TCGArg *args, int opc)
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#ifdef CONFIG_SOFTMMU
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mem_index = *args;
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r0 = 3;
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r1 = 4;
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r2 = 0;
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r0 = TCG_REG_R3;
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r1 = TCG_REG_R4;
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r2 = TCG_REG_R0;
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rbase = 0;
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tcg_out_tlb_read(s, r0, r1, r2, addr_reg, s_bits,
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@ -857,7 +857,7 @@ static void tcg_out_qemu_ld(TCGContext *s, const TCGArg *args, int opc)
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#endif
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/* slow path */
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ir = 3;
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ir = TCG_REG_R3;
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tcg_out_mov(s, TCG_TYPE_I64, ir++, TCG_AREG0);
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tcg_out_mov(s, TCG_TYPE_I64, ir++, addr_reg);
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tcg_out_movi(s, TCG_TYPE_I64, ir++, mem_index);
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@ -866,9 +866,9 @@ static void tcg_out_qemu_ld(TCGContext *s, const TCGArg *args, int opc)
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if (opc & 4) {
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insn = qemu_exts_opc[s_bits];
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tcg_out32(s, insn | RA(data_reg) | RS(3));
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} else if (data_reg != 3) {
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tcg_out_mov(s, TCG_TYPE_I64, data_reg, 3);
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tcg_out32(s, insn | RA(data_reg) | RS(TCG_REG_R3));
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} else if (data_reg != TCG_REG_R3) {
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tcg_out_mov(s, TCG_TYPE_I64, data_reg, TCG_REG_R3);
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}
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label2_ptr = s->code_ptr;
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tcg_out32(s, B);
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@ -891,7 +891,7 @@ static void tcg_out_qemu_ld(TCGContext *s, const TCGArg *args, int opc)
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tcg_out_ext32u(s, addr_reg, addr_reg);
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#endif
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r0 = addr_reg;
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r1 = 3;
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r1 = TCG_REG_R3;
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rbase = GUEST_BASE ? TCG_GUEST_BASE_REG : 0;
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#endif
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@ -931,9 +931,9 @@ static void tcg_out_qemu_st(TCGContext *s, const TCGArg *args, int opc)
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#ifdef CONFIG_SOFTMMU
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mem_index = *args;
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r0 = 3;
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r1 = 4;
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r2 = 0;
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r0 = TCG_REG_R3;
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r1 = TCG_REG_R4;
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r2 = TCG_REG_R0;
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rbase = 0;
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tcg_out_tlb_read(s, r0, r1, r2, addr_reg, opc,
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@ -947,7 +947,7 @@ static void tcg_out_qemu_st(TCGContext *s, const TCGArg *args, int opc)
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#endif
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/* slow path */
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ir = 3;
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ir = TCG_REG_R3;
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tcg_out_mov(s, TCG_TYPE_I64, ir++, TCG_AREG0);
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tcg_out_mov(s, TCG_TYPE_I64, ir++, addr_reg);
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tcg_out_rld(s, RLDICL, ir++, data_reg, 0, 64 - (1 << (3 + opc)));
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@ -974,7 +974,7 @@ static void tcg_out_qemu_st(TCGContext *s, const TCGArg *args, int opc)
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#if TARGET_LONG_BITS == 32
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tcg_out_ext32u(s, addr_reg, addr_reg);
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#endif
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r1 = 3;
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r1 = TCG_REG_R3;
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r0 = addr_reg;
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rbase = GUEST_BASE ? TCG_GUEST_BASE_REG : 0;
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#endif
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@ -983,8 +983,8 @@ static void tcg_out_qemu_st(TCGContext *s, const TCGArg *args, int opc)
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if (!HAVE_ISA_2_06 && insn == STDBRX) {
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tcg_out32(s, STWBRX | SAB(data_reg, rbase, r0));
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tcg_out32(s, ADDI | TAI(r1, r0, 4));
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tcg_out_shri64(s, 0, data_reg, 32);
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tcg_out32(s, STWBRX | SAB(0, rbase, r1));
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tcg_out_shri64(s, TCG_REG_R0, data_reg, 32);
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tcg_out32(s, STWBRX | SAB(TCG_REG_R0, rbase, r1));
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} else {
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tcg_out32(s, insn | SAB(data_reg, rbase, r0));
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}
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@ -1026,13 +1026,13 @@ static void tcg_target_qemu_prologue(TCGContext *s)
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#endif
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/* Prologue */
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tcg_out32(s, MFSPR | RT(0) | LR);
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tcg_out32(s, STDU | SAI(1, 1, -frame_size));
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tcg_out32(s, MFSPR | RT(TCG_REG_R0) | LR);
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tcg_out32(s, STDU | SAI(TCG_REG_R1, TCG_REG_R1, -frame_size));
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for (i = 0; i < ARRAY_SIZE(tcg_target_callee_save_regs); ++i) {
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tcg_out32(s, STD | SAI(tcg_target_callee_save_regs[i], 1,
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i * 8 + 48 + TCG_STATIC_CALL_ARGS_SIZE));
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}
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tcg_out32(s, STD | SAI(0, 1, frame_size + 16));
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tcg_out32(s, STD | SAI(TCG_REG_R0, TCG_REG_R1, frame_size + 16));
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#ifdef CONFIG_USE_GUEST_BASE
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if (GUEST_BASE) {
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@ -1049,12 +1049,12 @@ static void tcg_target_qemu_prologue(TCGContext *s)
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tb_ret_addr = s->code_ptr;
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for (i = 0; i < ARRAY_SIZE(tcg_target_callee_save_regs); ++i) {
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tcg_out32(s, LD | TAI(tcg_target_callee_save_regs[i], 1,
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tcg_out32(s, LD | TAI(tcg_target_callee_save_regs[i], TCG_REG_R1,
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i * 8 + 48 + TCG_STATIC_CALL_ARGS_SIZE));
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}
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tcg_out32(s, LD | TAI(0, 1, frame_size + 16));
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tcg_out32(s, MTSPR | RS(0) | LR);
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tcg_out32(s, ADDI | TAI(1, 1, frame_size));
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tcg_out32(s, LD | TAI(TCG_REG_R0, TCG_REG_R1, frame_size + 16));
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tcg_out32(s, MTSPR | RS(TCG_REG_R0) | LR);
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tcg_out32(s, ADDI | TAI(TCG_REG_R1, TCG_REG_R1, frame_size));
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tcg_out32(s, BCLR | BO_ALWAYS);
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}
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@ -1146,8 +1146,8 @@ static void tcg_out_cmp(TCGContext *s, int cond, TCGArg arg1, TCGArg arg2,
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tcg_out32(s, op | RA(arg1) | (arg2 & 0xffff));
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} else {
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if (const_arg2) {
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tcg_out_movi(s, type, 0, arg2);
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arg2 = 0;
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tcg_out_movi(s, type, TCG_REG_R0, arg2);
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arg2 = TCG_REG_R0;
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}
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tcg_out32(s, op | RA(arg1) | RB(arg2));
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}
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@ -1168,8 +1168,8 @@ static void tcg_out_setcond_ne0(TCGContext *s, TCGReg dst, TCGReg src)
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tcg_out32(s, ADDIC | TAI(dst, src, -1));
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tcg_out32(s, SUBFE | TAB(dst, dst, src));
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} else {
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tcg_out32(s, ADDIC | TAI(0, src, -1));
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tcg_out32(s, SUBFE | TAB(dst, 0, src));
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tcg_out32(s, ADDIC | TAI(TCG_REG_R0, src, -1));
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tcg_out32(s, SUBFE | TAB(dst, TCG_REG_R0, src));
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}
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}
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@ -1350,7 +1350,7 @@ static void tcg_out_movcond(TCGContext *s, TCGType type, TCGCond cond,
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}
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/* V1 == 0 is handled by isel; V2 == 0 must be handled by hand. */
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if (v2 == 0) {
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tcg_out_movi(s, type, 0, 0);
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tcg_out_movi(s, type, TCG_REG_R0, 0);
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}
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tcg_out32(s, isel | TAB(dest, v1, v2));
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} else {
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@ -1635,8 +1635,8 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, const TCGArg *args,
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if (const_args[2]) {
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tcg_out_rlw(s, RLWINM, args[0], args[1], 32 - args[2], 0, 31);
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} else {
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tcg_out32(s, SUBFIC | TAI(0, args[2], 32));
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tcg_out32(s, RLWNM | SAB(args[1], args[0], 0)
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tcg_out32(s, SUBFIC | TAI(TCG_REG_R0, args[2], 32));
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tcg_out32(s, RLWNM | SAB(args[1], args[0], TCG_REG_R0)
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| MB(0) | ME(31));
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}
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break;
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@ -1743,8 +1743,8 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, const TCGArg *args,
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if (const_args[2]) {
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tcg_out_rld(s, RLDICL, args[0], args[1], 64 - args[2], 0);
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} else {
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tcg_out32(s, SUBFIC | TAI(0, args[2], 64));
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tcg_out32(s, RLDCL | SAB(args[1], args[0], 0) | MB64(0));
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tcg_out32(s, SUBFIC | TAI(TCG_REG_R0, args[2], 64));
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tcg_out32(s, RLDCL | SAB(args[1], args[0], TCG_REG_R0) | MB64(0));
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}
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break;
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@ -1861,9 +1861,9 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, const TCGArg *args,
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break;
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case INDEX_op_bswap64_i64:
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a0 = args[0], a1 = args[1], a2 = 0;
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a0 = args[0], a1 = args[1], a2 = TCG_REG_R0;
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if (a0 == a1) {
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a0 = 0;
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a0 = TCG_REG_R0;
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a2 = a1;
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}
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