diff options
| -rw-r--r-- | tcg/aarch64/tcg-target-con-str.h | 24 | ||||
| -rw-r--r-- | tcg/aarch64/tcg-target.c.inc | 51 | ||||
| -rw-r--r-- | tcg/aarch64/tcg-target.h | 1 |
3 files changed, 33 insertions, 43 deletions
diff --git a/tcg/aarch64/tcg-target-con-str.h b/tcg/aarch64/tcg-target-con-str.h new file mode 100644 index 0000000000..00adb64594 --- /dev/null +++ b/tcg/aarch64/tcg-target-con-str.h @@ -0,0 +1,24 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Define AArch64 target-specific operand constraints. + * Copyright (c) 2021 Linaro + */ + +/* + * Define constraint letters for register sets: + * REGS(letter, register_mask) + */ +REGS('r', ALL_GENERAL_REGS) +REGS('l', ALL_QLDST_REGS) +REGS('w', ALL_VECTOR_REGS) + +/* + * Define constraint letters for constants: + * CONST(letter, TCG_CT_CONST_* bit set) + */ +CONST('A', TCG_CT_CONST_AIMM) +CONST('L', TCG_CT_CONST_LIMM) +CONST('M', TCG_CT_CONST_MONE) +CONST('O', TCG_CT_CONST_ORRI) +CONST('N', TCG_CT_CONST_ANDI) +CONST('Z', TCG_CT_CONST_ZERO) diff --git a/tcg/aarch64/tcg-target.c.inc b/tcg/aarch64/tcg-target.c.inc index 23954ec7cf..42037c98fa 100644 --- a/tcg/aarch64/tcg-target.c.inc +++ b/tcg/aarch64/tcg-target.c.inc @@ -126,51 +126,16 @@ static bool patch_reloc(tcg_insn_unit *code_ptr, int type, #define TCG_CT_CONST_ORRI 0x1000 #define TCG_CT_CONST_ANDI 0x2000 -/* parse target specific constraints */ -static const char *target_parse_constraint(TCGArgConstraint *ct, - const char *ct_str, TCGType type) -{ - switch (*ct_str++) { - case 'r': /* general registers */ - ct->regs |= 0xffffffffu; - break; - case 'w': /* advsimd registers */ - ct->regs |= 0xffffffff00000000ull; - break; - case 'l': /* qemu_ld / qemu_st address, data_reg */ - ct->regs = 0xffffffffu; +#define ALL_GENERAL_REGS 0xffffffffu +#define ALL_VECTOR_REGS 0xffffffff00000000ull + #ifdef CONFIG_SOFTMMU - /* x0 and x1 will be overwritten when reading the tlb entry, - and x2, and x3 for helper args, better to avoid using them. */ - tcg_regset_reset_reg(ct->regs, TCG_REG_X0); - tcg_regset_reset_reg(ct->regs, TCG_REG_X1); - tcg_regset_reset_reg(ct->regs, TCG_REG_X2); - tcg_regset_reset_reg(ct->regs, TCG_REG_X3); +#define ALL_QLDST_REGS \ + (ALL_GENERAL_REGS & ~((1 << TCG_REG_X0) | (1 << TCG_REG_X1) | \ + (1 << TCG_REG_X2) | (1 << TCG_REG_X3))) +#else +#define ALL_QLDST_REGS ALL_GENERAL_REGS #endif - break; - case 'A': /* Valid for arithmetic immediate (positive or negative). */ - ct->ct |= TCG_CT_CONST_AIMM; - break; - case 'L': /* Valid for logical immediate. */ - ct->ct |= TCG_CT_CONST_LIMM; - break; - case 'M': /* minus one */ - ct->ct |= TCG_CT_CONST_MONE; - break; - case 'O': /* vector orr/bic immediate */ - ct->ct |= TCG_CT_CONST_ORRI; - break; - case 'N': /* vector orr/bic immediate, inverted */ - ct->ct |= TCG_CT_CONST_ANDI; - break; - case 'Z': /* zero */ - ct->ct |= TCG_CT_CONST_ZERO; - break; - default: - return NULL; - } - return ct_str; -} /* Match a constant valid for addition (12-bit, optionally shifted). */ static inline bool is_aimm(uint64_t val) diff --git a/tcg/aarch64/tcg-target.h b/tcg/aarch64/tcg-target.h index 5ec30dba25..4fc20b58ec 100644 --- a/tcg/aarch64/tcg-target.h +++ b/tcg/aarch64/tcg-target.h @@ -155,5 +155,6 @@ void tb_target_set_jmp_target(uintptr_t, uintptr_t, uintptr_t, uintptr_t); #define TCG_TARGET_NEED_LDST_LABELS #endif #define TCG_TARGET_NEED_POOL_LABELS +#define TCG_TARGET_CON_STR_H #endif /* AARCH64_TCG_TARGET_H */ |