diff options
Diffstat (limited to 'tcg/sparc')
-rw-r--r-- | tcg/sparc/tcg-target.c | 230 |
1 files changed, 101 insertions, 129 deletions
diff --git a/tcg/sparc/tcg-target.c b/tcg/sparc/tcg-target.c index cf2d3fe..a1eed23 100644 --- a/tcg/sparc/tcg-target.c +++ b/tcg/sparc/tcg-target.c @@ -141,9 +141,6 @@ static int target_parse_constraint(TCGArgConstraint *ct, const char **pct_str) tcg_regset_reset_reg(ct->u.regs, TCG_REG_O0); tcg_regset_reset_reg(ct->u.regs, TCG_REG_O1); tcg_regset_reset_reg(ct->u.regs, TCG_REG_O2); - // Internal use - tcg_regset_reset_reg(ct->u.regs, TCG_REG_L0); - tcg_regset_reset_reg(ct->u.regs, TCG_REG_L1); break; case 'I': ct->ct |= TCG_CT_CONST_S11; @@ -497,8 +494,8 @@ static const void * const qemu_st_helpers[4] = { static void tcg_out_qemu_ld(TCGContext *s, const TCGArg *args, int opc) { - int addr_reg, data_reg, r0, r1, arg0, arg1, mem_index, s_bits; - int target_ld_op, host_ld_op; + int addr_reg, data_reg, arg0, arg1, arg2, mem_index, s_bits; + int target_ld_op, host_ld_op, sll_op, sra_op; #if defined(CONFIG_SOFTMMU) uint32_t *label1_ptr, *label2_ptr; #endif @@ -508,10 +505,9 @@ static void tcg_out_qemu_ld(TCGContext *s, const TCGArg *args, mem_index = *args; s_bits = opc & 3; - r0 = TCG_REG_L0; - r1 = TCG_REG_L1; arg0 = TCG_REG_O0; arg1 = TCG_REG_O1; + arg2 = TCG_REG_O2; #if TARGET_LONG_BITS == 32 target_ld_op = LDUW; @@ -521,33 +517,39 @@ static void tcg_out_qemu_ld(TCGContext *s, const TCGArg *args, #ifdef __arch64__ host_ld_op = LDX; + sll_op = SHIFT_SLLX; + sra_op = SHIFT_SRAX; #else host_ld_op = LDUW; + sll_op = SHIFT_SLL; + sra_op = SHIFT_SRA; #endif #if defined(CONFIG_SOFTMMU) - /* srl addr_reg, x, r1 */ - tcg_out_arithi(s, r1, addr_reg, TARGET_PAGE_BITS - CPU_TLB_ENTRY_BITS, + /* srl addr_reg, x, arg1 */ + tcg_out_arithi(s, arg1, addr_reg, TARGET_PAGE_BITS - CPU_TLB_ENTRY_BITS, SHIFT_SRL); - /* and addr_reg, x, r0 */ - tcg_out_arithi(s, r0, addr_reg, TARGET_PAGE_MASK | ((1 << s_bits) - 1), + /* and addr_reg, x, arg0 */ + tcg_out_arithi(s, arg0, addr_reg, TARGET_PAGE_MASK | ((1 << s_bits) - 1), ARITH_AND); - /* and r1, x, r1 */ - tcg_out_andi(s, r1, (CPU_TLB_SIZE - 1) << CPU_TLB_ENTRY_BITS); + /* and arg1, x, arg1 */ + tcg_out_andi(s, arg1, (CPU_TLB_SIZE - 1) << CPU_TLB_ENTRY_BITS); - /* add r1, x, r1 */ - tcg_out_addi(s, r1, offsetof(CPUState, tlb_table[mem_index][0].addr_read)); + /* add arg1, x, arg1 */ + tcg_out_addi(s, arg1, offsetof(CPUState, + tlb_table[mem_index][0].addr_read)); - /* add env, r1, r1 */ - tcg_out_arith(s, r1, TCG_AREG0, r1, ARITH_ADD); + /* add env, arg1, arg1 */ + tcg_out_arith(s, arg1, TCG_AREG0, arg1, ARITH_ADD); - /* ld [r1], arg1 */ - tcg_out32(s, target_ld_op | INSN_RD(arg1) | INSN_RS1(r1) | INSN_RS2(TCG_REG_G0)); + /* ld [arg1], arg2 */ + tcg_out32(s, target_ld_op | INSN_RD(arg2) | INSN_RS1(arg1) | + INSN_RS2(TCG_REG_G0)); - /* subcc r0, arg1, %g0 */ - tcg_out_arith(s, TCG_REG_G0, r0, arg1, ARITH_SUBCC); + /* subcc arg0, arg2, %g0 */ + tcg_out_arith(s, TCG_REG_G0, arg0, arg2, ARITH_SUBCC); /* will become: be label1 */ @@ -569,25 +571,25 @@ static void tcg_out_qemu_ld(TCGContext *s, const TCGArg *args, switch(opc) { case 0 | 4: /* sll arg0, 24/56, data_reg */ - tcg_out_arithi(s, data_reg, arg0, sizeof(tcg_target_long) * 8 - 8, - SHIFT_SLL); + tcg_out_arithi(s, data_reg, arg0, (int)sizeof(tcg_target_long) * 8 - 8, + sll_op); /* sra data_reg, 24/56, data_reg */ - tcg_out_arithi(s, data_reg, data_reg, sizeof(tcg_target_long) * 8 - 8, - SHIFT_SRA); + tcg_out_arithi(s, data_reg, data_reg, + (int)sizeof(tcg_target_long) * 8 - 8, sra_op); break; case 1 | 4: /* sll arg0, 16/48, data_reg */ - tcg_out_arithi(s, data_reg, arg0, sizeof(tcg_target_long) * 8 - 16, - SHIFT_SLL); + tcg_out_arithi(s, data_reg, arg0, + (int)sizeof(tcg_target_long) * 8 - 16, sll_op); /* sra data_reg, 16/48, data_reg */ - tcg_out_arithi(s, data_reg, data_reg, sizeof(tcg_target_long) * 8 - 16, - SHIFT_SRA); + tcg_out_arithi(s, data_reg, data_reg, + (int)sizeof(tcg_target_long) * 8 - 16, sra_op); break; case 2 | 4: /* sll arg0, 32, data_reg */ - tcg_out_arithi(s, data_reg, arg0, 32, SHIFT_SLL); + tcg_out_arithi(s, data_reg, arg0, 32, sll_op); /* sra data_reg, 32, data_reg */ - tcg_out_arithi(s, data_reg, data_reg, 32, SHIFT_SRA); + tcg_out_arithi(s, data_reg, data_reg, 32, sra_op); break; case 0: case 1: @@ -612,67 +614,67 @@ static void tcg_out_qemu_ld(TCGContext *s, const TCGArg *args, INSN_OFF22((unsigned long)s->code_ptr - (unsigned long)label1_ptr)); - /* ld [r1 + x], r1 */ - tcg_out_ldst(s, r1, r1, offsetof(CPUTLBEntry, addend) - + /* ld [arg1 + x], arg1 */ + tcg_out_ldst(s, arg1, arg1, offsetof(CPUTLBEntry, addend) - offsetof(CPUTLBEntry, addr_read), host_ld_op); - /* add r0, r1, r0 */ - tcg_out_arith(s, r0, r1, r0, ARITH_ADD); + /* add addr_reg, arg1, arg0 */ + tcg_out_arith(s, arg0, addr_reg, arg1, ARITH_ADD); #else - r0 = addr_reg; + arg0 = addr_reg; #endif switch(opc) { case 0: - /* ldub [r0], data_reg */ - tcg_out_ldst(s, data_reg, r0, 0, LDUB); + /* ldub [arg0], data_reg */ + tcg_out_ldst(s, data_reg, arg0, 0, LDUB); break; case 0 | 4: - /* ldsb [r0], data_reg */ - tcg_out_ldst(s, data_reg, r0, 0, LDSB); + /* ldsb [arg0], data_reg */ + tcg_out_ldst(s, data_reg, arg0, 0, LDSB); break; case 1: #ifdef TARGET_WORDS_BIGENDIAN - /* lduh [r0], data_reg */ - tcg_out_ldst(s, data_reg, r0, 0, LDUH); + /* lduh [arg0], data_reg */ + tcg_out_ldst(s, data_reg, arg0, 0, LDUH); #else - /* lduha [r0] ASI_PRIMARY_LITTLE, data_reg */ - tcg_out_ldst_asi(s, data_reg, r0, 0, LDUHA, ASI_PRIMARY_LITTLE); + /* lduha [arg0] ASI_PRIMARY_LITTLE, data_reg */ + tcg_out_ldst_asi(s, data_reg, arg0, 0, LDUHA, ASI_PRIMARY_LITTLE); #endif break; case 1 | 4: #ifdef TARGET_WORDS_BIGENDIAN - /* ldsh [r0], data_reg */ - tcg_out_ldst(s, data_reg, r0, 0, LDSH); + /* ldsh [arg0], data_reg */ + tcg_out_ldst(s, data_reg, arg0, 0, LDSH); #else - /* ldsha [r0] ASI_PRIMARY_LITTLE, data_reg */ - tcg_out_ldst_asi(s, data_reg, r0, 0, LDSHA, ASI_PRIMARY_LITTLE); + /* ldsha [arg0] ASI_PRIMARY_LITTLE, data_reg */ + tcg_out_ldst_asi(s, data_reg, arg0, 0, LDSHA, ASI_PRIMARY_LITTLE); #endif break; case 2: #ifdef TARGET_WORDS_BIGENDIAN - /* lduw [r0], data_reg */ - tcg_out_ldst(s, data_reg, r0, 0, LDUW); + /* lduw [arg0], data_reg */ + tcg_out_ldst(s, data_reg, arg0, 0, LDUW); #else - /* lduwa [r0] ASI_PRIMARY_LITTLE, data_reg */ - tcg_out_ldst_asi(s, data_reg, r0, 0, LDUWA, ASI_PRIMARY_LITTLE); + /* lduwa [arg0] ASI_PRIMARY_LITTLE, data_reg */ + tcg_out_ldst_asi(s, data_reg, arg0, 0, LDUWA, ASI_PRIMARY_LITTLE); #endif break; case 2 | 4: #ifdef TARGET_WORDS_BIGENDIAN - /* ldsw [r0], data_reg */ - tcg_out_ldst(s, data_reg, r0, 0, LDSW); + /* ldsw [arg0], data_reg */ + tcg_out_ldst(s, data_reg, arg0, 0, LDSW); #else - /* ldswa [r0] ASI_PRIMARY_LITTLE, data_reg */ - tcg_out_ldst_asi(s, data_reg, r0, 0, LDSWA, ASI_PRIMARY_LITTLE); + /* ldswa [arg0] ASI_PRIMARY_LITTLE, data_reg */ + tcg_out_ldst_asi(s, data_reg, arg0, 0, LDSWA, ASI_PRIMARY_LITTLE); #endif break; case 3: #ifdef TARGET_WORDS_BIGENDIAN - /* ldx [r0], data_reg */ - tcg_out_ldst(s, data_reg, r0, 0, LDX); + /* ldx [arg0], data_reg */ + tcg_out_ldst(s, data_reg, arg0, 0, LDX); #else - /* ldxa [r0] ASI_PRIMARY_LITTLE, data_reg */ - tcg_out_ldst_asi(s, data_reg, r0, 0, LDXA, ASI_PRIMARY_LITTLE); + /* ldxa [arg0] ASI_PRIMARY_LITTLE, data_reg */ + tcg_out_ldst_asi(s, data_reg, arg0, 0, LDXA, ASI_PRIMARY_LITTLE); #endif break; default: @@ -690,7 +692,7 @@ static void tcg_out_qemu_ld(TCGContext *s, const TCGArg *args, static void tcg_out_qemu_st(TCGContext *s, const TCGArg *args, int opc) { - int addr_reg, data_reg, r0, r1, arg0, arg1, arg2, mem_index, s_bits; + int addr_reg, data_reg, arg0, arg1, arg2, mem_index, s_bits; int target_ld_op, host_ld_op; #if defined(CONFIG_SOFTMMU) uint32_t *label1_ptr, *label2_ptr; @@ -702,8 +704,6 @@ static void tcg_out_qemu_st(TCGContext *s, const TCGArg *args, s_bits = opc; - r0 = TCG_REG_L0; - r1 = TCG_REG_L1; arg0 = TCG_REG_O0; arg1 = TCG_REG_O1; arg2 = TCG_REG_O2; @@ -721,28 +721,30 @@ static void tcg_out_qemu_st(TCGContext *s, const TCGArg *args, #endif #if defined(CONFIG_SOFTMMU) - /* srl addr_reg, x, r1 */ - tcg_out_arithi(s, r1, addr_reg, TARGET_PAGE_BITS - CPU_TLB_ENTRY_BITS, + /* srl addr_reg, x, arg1 */ + tcg_out_arithi(s, arg1, addr_reg, TARGET_PAGE_BITS - CPU_TLB_ENTRY_BITS, SHIFT_SRL); - /* and addr_reg, x, r0 */ - tcg_out_arithi(s, r0, addr_reg, TARGET_PAGE_MASK | ((1 << s_bits) - 1), + /* and addr_reg, x, arg0 */ + tcg_out_arithi(s, arg0, addr_reg, TARGET_PAGE_MASK | ((1 << s_bits) - 1), ARITH_AND); - /* and r1, x, r1 */ - tcg_out_andi(s, r1, (CPU_TLB_SIZE - 1) << CPU_TLB_ENTRY_BITS); + /* and arg1, x, arg1 */ + tcg_out_andi(s, arg1, (CPU_TLB_SIZE - 1) << CPU_TLB_ENTRY_BITS); - /* add r1, x, r1 */ - tcg_out_addi(s, r1, offsetof(CPUState, tlb_table[mem_index][0].addr_write)); + /* add arg1, x, arg1 */ + tcg_out_addi(s, arg1, offsetof(CPUState, + tlb_table[mem_index][0].addr_write)); - /* add env, r1, r1 */ - tcg_out_arith(s, r1, TCG_AREG0, r1, ARITH_ADD); + /* add env, arg1, arg1 */ + tcg_out_arith(s, arg1, TCG_AREG0, arg1, ARITH_ADD); - /* ld [r1], arg1 */ - tcg_out32(s, target_ld_op | INSN_RD(arg1) | INSN_RS1(r1) | INSN_RS2(TCG_REG_G0)); + /* ld [arg1], arg2 */ + tcg_out32(s, target_ld_op | INSN_RD(arg2) | INSN_RS1(arg1) | + INSN_RS2(TCG_REG_G0)); - /* subcc r0, arg1, %g0 */ - tcg_out_arith(s, TCG_REG_G0, r0, arg1, ARITH_SUBCC); + /* subcc arg0, arg2, %g0 */ + tcg_out_arith(s, TCG_REG_G0, arg0, arg2, ARITH_SUBCC); /* will become: be label1 */ @@ -752,40 +754,8 @@ static void tcg_out_qemu_st(TCGContext *s, const TCGArg *args, /* mov (delay slot) */ tcg_out_mov(s, arg0, addr_reg); - /* arg1 = sign_extend(data_reg); */ - switch(opc) { - case 0 | 4: - /* sll data_reg, 24/56, arg1 */ - tcg_out_arithi(s, arg1, data_reg, sizeof(tcg_target_long) * 8 - 8, SHIFT_SLL); - /* sra arg1, 24/56, arg1 */ - tcg_out_arithi(s, arg1, arg1, sizeof(tcg_target_long) * 8 - 8, - SHIFT_SRA); - break; - case 1 | 4: - /* sll data_reg, 16/48, arg1 */ - tcg_out_arithi(s, data_reg, arg1, sizeof(tcg_target_long) * 8 - 16, SHIFT_SLL); - /* sra arg1, 16/48, arg1 */ - tcg_out_arithi(s, arg1, arg1, sizeof(tcg_target_long) * 8 - 16, - SHIFT_SRA); - break; - case 2 | 4: - /* sll data_reg, 32, arg1 */ - tcg_out_arithi(s, data_reg, arg1, 32, SHIFT_SLL); - /* sra arg1, 32, arg1 */ - tcg_out_arithi(s, arg1, arg1, 32, SHIFT_SRA); - break; - case 0: - case 1: - case 2: - case 3: - default: - /* mov */ - tcg_out_mov(s, arg1, data_reg); - break; - } - /* mov */ - tcg_out_mov(s, arg0, addr_reg); + tcg_out_mov(s, arg1, data_reg); /* XXX: move that code at the end of the TB */ /* qemu_st_helper[s_bits](arg0, arg1, arg2) */ @@ -808,46 +778,46 @@ static void tcg_out_qemu_st(TCGContext *s, const TCGArg *args, INSN_OFF22((unsigned long)s->code_ptr - (unsigned long)label1_ptr)); - /* ld [r1 + x], r1 */ - tcg_out_ldst(s, arg1, r1, offsetof(CPUTLBEntry, addend) - + /* ld [arg1 + x], arg1 */ + tcg_out_ldst(s, arg1, arg1, offsetof(CPUTLBEntry, addend) - offsetof(CPUTLBEntry, addr_write), host_ld_op); - /* add r0, r1, r0 */ - tcg_out_arith(s, r0, arg1, r0, ARITH_ADD); + /* add addr_reg, arg1, arg0 */ + tcg_out_arith(s, arg0, addr_reg, arg1, ARITH_ADD); #else - r0 = addr_reg; + arg0 = addr_reg; #endif switch(opc) { case 0: - /* stb data_reg, [r0] */ - tcg_out_ldst(s, data_reg, r0, 0, STB); + /* stb data_reg, [arg0] */ + tcg_out_ldst(s, data_reg, arg0, 0, STB); break; case 1: #ifdef TARGET_WORDS_BIGENDIAN - /* sth data_reg, [r0] */ - tcg_out_ldst(s, data_reg, r0, 0, STH); + /* sth data_reg, [arg0] */ + tcg_out_ldst(s, data_reg, arg0, 0, STH); #else - /* stha data_reg, [r0] ASI_PRIMARY_LITTLE */ - tcg_out_ldst_asi(s, data_reg, r0, 0, STHA, ASI_PRIMARY_LITTLE); + /* stha data_reg, [arg0] ASI_PRIMARY_LITTLE */ + tcg_out_ldst_asi(s, data_reg, arg0, 0, STHA, ASI_PRIMARY_LITTLE); #endif break; case 2: #ifdef TARGET_WORDS_BIGENDIAN - /* stw data_reg, [r0] */ - tcg_out_ldst(s, data_reg, r0, 0, STW); + /* stw data_reg, [arg0] */ + tcg_out_ldst(s, data_reg, arg0, 0, STW); #else - /* stwa data_reg, [r0] ASI_PRIMARY_LITTLE */ - tcg_out_ldst_asi(s, data_reg, r0, 0, STWA, ASI_PRIMARY_LITTLE); + /* stwa data_reg, [arg0] ASI_PRIMARY_LITTLE */ + tcg_out_ldst_asi(s, data_reg, arg0, 0, STWA, ASI_PRIMARY_LITTLE); #endif break; case 3: #ifdef TARGET_WORDS_BIGENDIAN - /* stx data_reg, [r0] */ - tcg_out_ldst(s, data_reg, r0, 0, STX); + /* stx data_reg, [arg0] */ + tcg_out_ldst(s, data_reg, arg0, 0, STX); #else - /* stxa data_reg, [r0] ASI_PRIMARY_LITTLE */ - tcg_out_ldst_asi(s, data_reg, r0, 0, STXA, ASI_PRIMARY_LITTLE); + /* stxa data_reg, [arg0] ASI_PRIMARY_LITTLE */ + tcg_out_ldst_asi(s, data_reg, arg0, 0, STXA, ASI_PRIMARY_LITTLE); #endif break; default: @@ -1164,6 +1134,8 @@ static const TCGTargetOpDef sparc_op_defs[] = { { INDEX_op_st16_i64, { "r", "r" } }, { INDEX_op_st32_i64, { "r", "r" } }, { INDEX_op_st_i64, { "r", "r" } }, + { INDEX_op_qemu_ld64, { "L", "L" } }, + { INDEX_op_qemu_st64, { "L", "L" } }, { INDEX_op_add_i64, { "r", "r", "rJ" } }, { INDEX_op_mul_i64, { "r", "r", "rJ" } }, |