diff options
| -rw-r--r-- | tcg/aarch64/tcg-target.c | 131 |
1 files changed, 63 insertions, 68 deletions
diff --git a/tcg/aarch64/tcg-target.c b/tcg/aarch64/tcg-target.c index 5d19e27..68305ea 100644 --- a/tcg/aarch64/tcg-target.c +++ b/tcg/aarch64/tcg-target.c @@ -27,12 +27,6 @@ static const char * const tcg_target_reg_names[TCG_TARGET_NB_REGS] = { }; #endif /* NDEBUG */ -#ifdef TARGET_WORDS_BIGENDIAN - #define TCG_LDST_BSWAP 1 -#else - #define TCG_LDST_BSWAP 0 -#endif - static const int tcg_target_reg_alloc_order[] = { TCG_REG_X20, TCG_REG_X21, TCG_REG_X22, TCG_REG_X23, TCG_REG_X24, TCG_REG_X25, TCG_REG_X26, TCG_REG_X27, @@ -1113,7 +1107,7 @@ static void tcg_out_qemu_st_slow_path(TCGContext *s, TCGLabelQemuLdst *lb) tcg_out_goto(s, (intptr_t)lb->raddr); } -static void add_qemu_ldst_label(TCGContext *s, int is_ld, int opc, +static void add_qemu_ldst_label(TCGContext *s, int is_ld, TCGMemOp opc, TCGReg data_reg, TCGReg addr_reg, int mem_index, uint8_t *raddr, uint8_t *label_ptr) @@ -1133,7 +1127,7 @@ static void add_qemu_ldst_label(TCGContext *s, int is_ld, int opc, slow path for the failure case, which will be patched later when finalizing the slow path. Generated code returns the host addend in X1, clobbers X0,X2,X3,TMP. */ -static void tcg_out_tlb_read(TCGContext *s, TCGReg addr_reg, int s_bits, +static void tcg_out_tlb_read(TCGContext *s, TCGReg addr_reg, TCGMemOp s_bits, uint8_t **label_ptr, int mem_index, bool is_read) { TCGReg base = TCG_AREG0; @@ -1189,24 +1183,26 @@ static void tcg_out_tlb_read(TCGContext *s, TCGReg addr_reg, int s_bits, #endif /* CONFIG_SOFTMMU */ -static void tcg_out_qemu_ld_direct(TCGContext *s, int opc, TCGReg data_r, - TCGReg addr_r, TCGReg off_r) +static void tcg_out_qemu_ld_direct(TCGContext *s, TCGMemOp memop, + TCGReg data_r, TCGReg addr_r, TCGReg off_r) { - switch (opc) { - case 0: + const TCGMemOp bswap = memop & MO_BSWAP; + + switch (memop & MO_SSIZE) { + case MO_UB: tcg_out_ldst_r(s, LDST_8, LDST_LD, data_r, addr_r, off_r); break; - case 0 | 4: + case MO_SB: tcg_out_ldst_r(s, LDST_8, LDST_LD_S_X, data_r, addr_r, off_r); break; - case 1: + case MO_UW: tcg_out_ldst_r(s, LDST_16, LDST_LD, data_r, addr_r, off_r); - if (TCG_LDST_BSWAP) { + if (bswap) { tcg_out_rev16(s, TCG_TYPE_I32, data_r, data_r); } break; - case 1 | 4: - if (TCG_LDST_BSWAP) { + case MO_SW: + if (bswap) { tcg_out_ldst_r(s, LDST_16, LDST_LD, data_r, addr_r, off_r); tcg_out_rev16(s, TCG_TYPE_I32, data_r, data_r); tcg_out_sxt(s, TCG_TYPE_I64, MO_16, data_r, data_r); @@ -1214,14 +1210,14 @@ static void tcg_out_qemu_ld_direct(TCGContext *s, int opc, TCGReg data_r, tcg_out_ldst_r(s, LDST_16, LDST_LD_S_X, data_r, addr_r, off_r); } break; - case 2: + case MO_UL: tcg_out_ldst_r(s, LDST_32, LDST_LD, data_r, addr_r, off_r); - if (TCG_LDST_BSWAP) { + if (bswap) { tcg_out_rev(s, TCG_TYPE_I32, data_r, data_r); } break; - case 2 | 4: - if (TCG_LDST_BSWAP) { + case MO_SL: + if (bswap) { tcg_out_ldst_r(s, LDST_32, LDST_LD, data_r, addr_r, off_r); tcg_out_rev(s, TCG_TYPE_I32, data_r, data_r); tcg_out_sxt(s, TCG_TYPE_I64, MO_32, data_r, data_r); @@ -1229,9 +1225,9 @@ static void tcg_out_qemu_ld_direct(TCGContext *s, int opc, TCGReg data_r, tcg_out_ldst_r(s, LDST_32, LDST_LD_S_X, data_r, addr_r, off_r); } break; - case 3: + case MO_Q: tcg_out_ldst_r(s, LDST_64, LDST_LD, data_r, addr_r, off_r); - if (TCG_LDST_BSWAP) { + if (bswap) { tcg_out_rev(s, TCG_TYPE_I64, data_r, data_r); } break; @@ -1240,47 +1236,47 @@ static void tcg_out_qemu_ld_direct(TCGContext *s, int opc, TCGReg data_r, } } -static void tcg_out_qemu_st_direct(TCGContext *s, int opc, TCGReg data_r, - TCGReg addr_r, TCGReg off_r) +static void tcg_out_qemu_st_direct(TCGContext *s, TCGMemOp memop, + TCGReg data_r, TCGReg addr_r, TCGReg off_r) { - switch (opc) { - case 0: + const TCGMemOp bswap = memop & MO_BSWAP; + + switch (memop & MO_SIZE) { + case MO_8: tcg_out_ldst_r(s, LDST_8, LDST_ST, data_r, addr_r, off_r); break; - case 1: - if (TCG_LDST_BSWAP) { + case MO_16: + if (bswap) { tcg_out_rev16(s, TCG_TYPE_I32, TCG_REG_TMP, data_r); - tcg_out_ldst_r(s, LDST_16, LDST_ST, TCG_REG_TMP, addr_r, off_r); - } else { - tcg_out_ldst_r(s, LDST_16, LDST_ST, data_r, addr_r, off_r); + data_r = TCG_REG_TMP; } + tcg_out_ldst_r(s, LDST_16, LDST_ST, data_r, addr_r, off_r); break; - case 2: - if (TCG_LDST_BSWAP) { + case MO_32: + if (bswap) { tcg_out_rev(s, TCG_TYPE_I32, TCG_REG_TMP, data_r); - tcg_out_ldst_r(s, LDST_32, LDST_ST, TCG_REG_TMP, addr_r, off_r); - } else { - tcg_out_ldst_r(s, LDST_32, LDST_ST, data_r, addr_r, off_r); + data_r = TCG_REG_TMP; } + tcg_out_ldst_r(s, LDST_32, LDST_ST, data_r, addr_r, off_r); break; - case 3: - if (TCG_LDST_BSWAP) { + case MO_64: + if (bswap) { tcg_out_rev(s, TCG_TYPE_I64, TCG_REG_TMP, data_r); - tcg_out_ldst_r(s, LDST_64, LDST_ST, TCG_REG_TMP, addr_r, off_r); - } else { - tcg_out_ldst_r(s, LDST_64, LDST_ST, data_r, addr_r, off_r); + data_r = TCG_REG_TMP; } + tcg_out_ldst_r(s, LDST_64, LDST_ST, data_r, addr_r, off_r); break; default: tcg_abort(); } } -static void tcg_out_qemu_ld(TCGContext *s, const TCGArg *args, int opc) +static void tcg_out_qemu_ld(TCGContext *s, const TCGArg *args, TCGMemOp memop) { TCGReg addr_reg, data_reg; #ifdef CONFIG_SOFTMMU - int mem_index, s_bits; + int mem_index; + TCGMemOp s_bits; uint8_t *label_ptr; #endif data_reg = args[0]; @@ -1288,22 +1284,23 @@ static void tcg_out_qemu_ld(TCGContext *s, const TCGArg *args, int opc) #ifdef CONFIG_SOFTMMU mem_index = args[2]; - s_bits = opc & 3; + s_bits = memop & MO_SIZE; tcg_out_tlb_read(s, addr_reg, s_bits, &label_ptr, mem_index, 1); - tcg_out_qemu_ld_direct(s, opc, data_reg, addr_reg, TCG_REG_X1); - add_qemu_ldst_label(s, 1, opc, data_reg, addr_reg, + tcg_out_qemu_ld_direct(s, memop, data_reg, addr_reg, TCG_REG_X1); + add_qemu_ldst_label(s, 1, memop, data_reg, addr_reg, mem_index, s->code_ptr, label_ptr); #else /* !CONFIG_SOFTMMU */ - tcg_out_qemu_ld_direct(s, opc, data_reg, addr_reg, + tcg_out_qemu_ld_direct(s, memop, data_reg, addr_reg, GUEST_BASE ? TCG_REG_GUEST_BASE : TCG_REG_XZR); #endif /* CONFIG_SOFTMMU */ } -static void tcg_out_qemu_st(TCGContext *s, const TCGArg *args, int opc) +static void tcg_out_qemu_st(TCGContext *s, const TCGArg *args, TCGMemOp memop) { TCGReg addr_reg, data_reg; #ifdef CONFIG_SOFTMMU - int mem_index, s_bits; + int mem_index; + TCGMemOp s_bits; uint8_t *label_ptr; #endif data_reg = args[0]; @@ -1311,14 +1308,14 @@ static void tcg_out_qemu_st(TCGContext *s, const TCGArg *args, int opc) #ifdef CONFIG_SOFTMMU mem_index = args[2]; - s_bits = opc & 3; + s_bits = memop & MO_SIZE; tcg_out_tlb_read(s, addr_reg, s_bits, &label_ptr, mem_index, 0); - tcg_out_qemu_st_direct(s, opc, data_reg, addr_reg, TCG_REG_X1); - add_qemu_ldst_label(s, 0, opc, data_reg, addr_reg, + tcg_out_qemu_st_direct(s, memop, data_reg, addr_reg, TCG_REG_X1); + add_qemu_ldst_label(s, 0, memop, data_reg, addr_reg, mem_index, s->code_ptr, label_ptr); #else /* !CONFIG_SOFTMMU */ - tcg_out_qemu_st_direct(s, opc, data_reg, addr_reg, + tcg_out_qemu_st_direct(s, memop, data_reg, addr_reg, GUEST_BASE ? TCG_REG_GUEST_BASE : TCG_REG_XZR); #endif /* CONFIG_SOFTMMU */ } @@ -1591,40 +1588,38 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, break; case INDEX_op_qemu_ld8u: - tcg_out_qemu_ld(s, args, 0 | 0); + tcg_out_qemu_ld(s, args, MO_UB); break; case INDEX_op_qemu_ld8s: - tcg_out_qemu_ld(s, args, 4 | 0); + tcg_out_qemu_ld(s, args, MO_SB); break; case INDEX_op_qemu_ld16u: - tcg_out_qemu_ld(s, args, 0 | 1); + tcg_out_qemu_ld(s, args, MO_TEUW); break; case INDEX_op_qemu_ld16s: - tcg_out_qemu_ld(s, args, 4 | 1); + tcg_out_qemu_ld(s, args, MO_TESW); break; case INDEX_op_qemu_ld32u: - tcg_out_qemu_ld(s, args, 0 | 2); + case INDEX_op_qemu_ld32: + tcg_out_qemu_ld(s, args, MO_TEUL); break; case INDEX_op_qemu_ld32s: - tcg_out_qemu_ld(s, args, 4 | 2); - break; - case INDEX_op_qemu_ld32: - tcg_out_qemu_ld(s, args, 0 | 2); + tcg_out_qemu_ld(s, args, MO_TESL); break; case INDEX_op_qemu_ld64: - tcg_out_qemu_ld(s, args, 0 | 3); + tcg_out_qemu_ld(s, args, MO_TEQ); break; case INDEX_op_qemu_st8: - tcg_out_qemu_st(s, args, 0); + tcg_out_qemu_st(s, args, MO_UB); break; case INDEX_op_qemu_st16: - tcg_out_qemu_st(s, args, 1); + tcg_out_qemu_st(s, args, MO_TEUW); break; case INDEX_op_qemu_st32: - tcg_out_qemu_st(s, args, 2); + tcg_out_qemu_st(s, args, MO_TEUL); break; case INDEX_op_qemu_st64: - tcg_out_qemu_st(s, args, 3); + tcg_out_qemu_st(s, args, MO_TEQ); break; case INDEX_op_bswap32_i64: |