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提交 9feac1d7 编写于 作者: R Richard Henderson 提交者： Aurelien Jarno
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tcg-arm: Cleanup most primitive load store subroutines 

Use even more primitive helper functions to avoid lots of duplicated code.
Reviewed-by: NAurelien Jarno <aurelien@aurel32.net>
Signed-off-by: NRichard Henderson <rth@twiddle.net>
上级 34358a12
隐藏空白更改
内联 并排
Showing with 111 addition and 124 deletion
tcg/arm/tcg-target.c
浏览文件 @ 9feac1d7
......@@ -312,7 +312,7 @@ static inline int tcg_target_const_match(tcg_target_long val,
#define TO_CPSR (1 << 20)
enum arm_data_opc_e {
typedef enum {
ARITH_AND = 0x0 << 21,
ARITH_EOR = 0x1 << 21,
ARITH_SUB = 0x2 << 21,
......@@ -328,7 +328,26 @@ enum arm_data_opc_e {
ARITH_MOV = 0xd << 21,
ARITH_BIC = 0xe << 21,
ARITH_MVN = 0xf << 21,
};
INSN_LDR_IMM = 0x04100000,
INSN_LDR_REG = 0x06100000,
INSN_STR_IMM = 0x04000000,
INSN_STR_REG = 0x06000000,
INSN_LDRH_IMM = 0x005000b0,
INSN_LDRH_REG = 0x001000b0,
INSN_LDRSH_IMM = 0x005000f0,
INSN_LDRSH_REG = 0x001000f0,
INSN_STRH_IMM = 0x004000b0,
INSN_STRH_REG = 0x000000b0,
INSN_LDRB_IMM = 0x04500000,
INSN_LDRB_REG = 0x06500000,
INSN_LDRSB_IMM = 0x005000d0,
INSN_LDRSB_REG = 0x001000d0,
INSN_STRB_IMM = 0x04400000,
INSN_STRB_REG = 0x06400000,
} ARMInsn;
#define SHIFT_IMM_LSL(im) (((im) << 7) | 0x00)
#define SHIFT_IMM_LSR(im) (((im) << 7) | 0x20)
......@@ -747,187 +766,155 @@ static inline void tcg_out_deposit(TCGContext *s, int cond, TCGReg rd,
| (ofs << 7) | ((ofs + len - 1) << 16));
}
static inline void tcg_out_ld32_12(TCGContext *s, int cond,
int rd, int rn, tcg_target_long im)
/* Note that this routine is used for both LDR and LDRH formats, so we do
not wish to include an immediate shift at this point. */
static void tcg_out_memop_r(TCGContext *s, int cond, ARMInsn opc, TCGReg rt,
TCGReg rn, TCGReg rm, bool u, bool p, bool w)
{
if (im >= 0)
tcg_out32(s, (cond << 28) | 0x05900000 |
(rn << 16) | (rd << 12) | (im & 0xfff));
else
tcg_out32(s, (cond << 28) | 0x05100000 |
(rn << 16) | (rd << 12) | ((-im) & 0xfff));
tcg_out32(s, (cond << 28) | opc | (u << 23) | (p << 24)
| (w << 21) | (rn << 16) | (rt << 12) | rm);
}
static void tcg_out_memop_8(TCGContext *s, int cond, ARMInsn opc, TCGReg rt,
TCGReg rn, int imm8, bool p, bool w)
{
bool u = 1;
if (imm8 < 0) {
imm8 = -imm8;
u = 0;
}
tcg_out32(s, (cond << 28) | opc | (u << 23) | (p << 24) | (w << 21) |
(rn << 16) | (rt << 12) | ((imm8 & 0xf0) << 4) | (imm8 & 0xf));
}
static void tcg_out_memop_12(TCGContext *s, int cond, ARMInsn opc, TCGReg rt,
TCGReg rn, int imm12, bool p, bool w)
{
bool u = 1;
if (imm12 < 0) {
imm12 = -imm12;
u = 0;
}
tcg_out32(s, (cond << 28) | opc | (u << 23) | (p << 24) | (w << 21) |
(rn << 16) | (rt << 12) | imm12);
}
static inline void tcg_out_ld32_12(TCGContext *s, int cond, TCGReg rt,
TCGReg rn, int imm12)
{
tcg_out_memop_12(s, cond, INSN_LDR_IMM, rt, rn, imm12, 1, 0);
}
/* Offset pre-increment with base writeback. */
static inline void tcg_out_ld32_12wb(TCGContext *s, int cond,
int rd, int rn, tcg_target_long im)
static inline void tcg_out_ld32_12wb(TCGContext *s, int cond, TCGReg rt,
TCGReg rn, int imm12)
{
/* ldr with writeback and both register equals is UNPREDICTABLE */
assert(rd != rn);
if (im >= 0) {
tcg_out32(s, (cond << 28) | 0x05b00000 |
(rn << 16) | (rd << 12) | (im & 0xfff));
} else {
tcg_out32(s, (cond << 28) | 0x05300000 |
(rn << 16) | (rd << 12) | ((-im) & 0xfff));
}
tcg_out_memop_12(s, cond, INSN_LDR_IMM, rt, rn, imm12, 1, 1);
}
static inline void tcg_out_st32_12(TCGContext *s, int cond,
int rd, int rn, tcg_target_long im)
static inline void tcg_out_st32_12(TCGContext *s, int cond, TCGReg rt,
TCGReg rn, int imm12)
{
if (im >= 0)
tcg_out32(s, (cond << 28) | 0x05800000 |
(rn << 16) | (rd << 12) | (im & 0xfff));
else
tcg_out32(s, (cond << 28) | 0x05000000 |
(rn << 16) | (rd << 12) | ((-im) & 0xfff));
tcg_out_memop_12(s, cond, INSN_STR_IMM, rt, rn, imm12, 1, 0);
}
static inline void tcg_out_ld32_r(TCGContext *s, int cond,
int rd, int rn, int rm)
static inline void tcg_out_ld32_r(TCGContext *s, int cond, TCGReg rt,
TCGReg rn, TCGReg rm)
{
tcg_out32(s, (cond << 28) | 0x07900000 |
(rn << 16) | (rd << 12) | rm);
tcg_out_memop_r(s, cond, INSN_LDR_REG, rt, rn, rm, 1, 1, 0);
}
static inline void tcg_out_st32_r(TCGContext *s, int cond,
int rd, int rn, int rm)
static inline void tcg_out_st32_r(TCGContext *s, int cond, TCGReg rt,
TCGReg rn, TCGReg rm)
{
tcg_out32(s, (cond << 28) | 0x07800000 |
(rn << 16) | (rd << 12) | rm);
tcg_out_memop_r(s, cond, INSN_STR_REG, rt, rn, rm, 1, 1, 0);
}
/* Register pre-increment with base writeback. */
static inline void tcg_out_ld32_rwb(TCGContext *s, int cond,
int rd, int rn, int rm)
static inline void tcg_out_ld32_rwb(TCGContext *s, int cond, TCGReg rt,
TCGReg rn, TCGReg rm)
{
tcg_out32(s, (cond << 28) | 0x07b00000 |
(rn << 16) | (rd << 12) | rm);
tcg_out_memop_r(s, cond, INSN_LDR_REG, rt, rn, rm, 1, 1, 1);
}
static inline void tcg_out_st32_rwb(TCGContext *s, int cond,
int rd, int rn, int rm)
static inline void tcg_out_st32_rwb(TCGContext *s, int cond, TCGReg rt,
TCGReg rn, TCGReg rm)
{
tcg_out32(s, (cond << 28) | 0x07a00000 |
(rn << 16) | (rd << 12) | rm);
tcg_out_memop_r(s, cond, INSN_STR_REG, rt, rn, rm, 1, 1, 1);
}
static inline void tcg_out_ld16u_8(TCGContext *s, int cond,
int rd, int rn, tcg_target_long im)
static inline void tcg_out_ld16u_8(TCGContext *s, int cond, TCGReg rt,
TCGReg rn, int imm8)
{
if (im >= 0)
tcg_out32(s, (cond << 28) | 0x01d000b0 |
(rn << 16) | (rd << 12) |
((im & 0xf0) << 4) | (im & 0xf));
else
tcg_out32(s, (cond << 28) | 0x015000b0 |
(rn << 16) | (rd << 12) |
(((-im) & 0xf0) << 4) | ((-im) & 0xf));
tcg_out_memop_8(s, cond, INSN_LDRH_IMM, rt, rn, imm8, 1, 0);
}
static inline void tcg_out_st16_8(TCGContext *s, int cond,
int rd, int rn, tcg_target_long im)
static inline void tcg_out_st16_8(TCGContext *s, int cond, TCGReg rt,
TCGReg rn, int imm8)
{
if (im >= 0)
tcg_out32(s, (cond << 28) | 0x01c000b0 |
(rn << 16) | (rd << 12) |
((im & 0xf0) << 4) | (im & 0xf));
else
tcg_out32(s, (cond << 28) | 0x014000b0 |
(rn << 16) | (rd << 12) |
(((-im) & 0xf0) << 4) | ((-im) & 0xf));
tcg_out_memop_8(s, cond, INSN_STRH_IMM, rt, rn, imm8, 1, 0);
}
static inline void tcg_out_ld16u_r(TCGContext *s, int cond,
int rd, int rn, int rm)
static inline void tcg_out_ld16u_r(TCGContext *s, int cond, TCGReg rt,
TCGReg rn, TCGReg rm)
{
tcg_out32(s, (cond << 28) | 0x019000b0 |
(rn << 16) | (rd << 12) | rm);
tcg_out_memop_r(s, cond, INSN_LDRH_REG, rt, rn, rm, 1, 1, 0);
}
static inline void tcg_out_st16_r(TCGContext *s, int cond,
int rd, int rn, int rm)
static inline void tcg_out_st16_r(TCGContext *s, int cond, TCGReg rt,
TCGReg rn, TCGReg rm)
{
tcg_out32(s, (cond << 28) | 0x018000b0 |
(rn << 16) | (rd << 12) | rm);
tcg_out_memop_r(s, cond, INSN_STRH_REG, rt, rn, rm, 1, 1, 0);
}
static inline void tcg_out_ld16s_8(TCGContext *s, int cond,
int rd, int rn, tcg_target_long im)
static inline void tcg_out_ld16s_8(TCGContext *s, int cond, TCGReg rt,
TCGReg rn, int imm8)
{
if (im >= 0)
tcg_out32(s, (cond << 28) | 0x01d000f0 |
(rn << 16) | (rd << 12) |
((im & 0xf0) << 4) | (im & 0xf));
else
tcg_out32(s, (cond << 28) | 0x015000f0 |
(rn << 16) | (rd << 12) |
(((-im) & 0xf0) << 4) | ((-im) & 0xf));
tcg_out_memop_8(s, cond, INSN_LDRSH_IMM, rt, rn, imm8, 1, 0);
}
static inline void tcg_out_ld16s_r(TCGContext *s, int cond,
int rd, int rn, int rm)
static inline void tcg_out_ld16s_r(TCGContext *s, int cond, TCGReg rt,
TCGReg rn, TCGReg rm)
{
tcg_out32(s, (cond << 28) | 0x019000f0 |
(rn << 16) | (rd << 12) | rm);
tcg_out_memop_r(s, cond, INSN_LDRSH_REG, rt, rn, rm, 1, 1, 0);
}
static inline void tcg_out_ld8_12(TCGContext *s, int cond,
int rd, int rn, tcg_target_long im)
static inline void tcg_out_ld8_12(TCGContext *s, int cond, TCGReg rt,
TCGReg rn, int imm12)
{
if (im >= 0)
tcg_out32(s, (cond << 28) | 0x05d00000 |
(rn << 16) | (rd << 12) | (im & 0xfff));
else
tcg_out32(s, (cond << 28) | 0x05500000 |
(rn << 16) | (rd << 12) | ((-im) & 0xfff));
tcg_out_memop_12(s, cond, INSN_LDRB_IMM, rt, rn, imm12, 1, 0);
}
static inline void tcg_out_st8_12(TCGContext *s, int cond,
int rd, int rn, tcg_target_long im)
static inline void tcg_out_st8_12(TCGContext *s, int cond, TCGReg rt,
TCGReg rn, int imm12)
{
if (im >= 0)
tcg_out32(s, (cond << 28) | 0x05c00000 |
(rn << 16) | (rd << 12) | (im & 0xfff));
else
tcg_out32(s, (cond << 28) | 0x05400000 |
(rn << 16) | (rd << 12) | ((-im) & 0xfff));
tcg_out_memop_12(s, cond, INSN_STRB_IMM, rt, rn, imm12, 1, 0);
}
static inline void tcg_out_ld8_r(TCGContext *s, int cond,
int rd, int rn, int rm)
static inline void tcg_out_ld8_r(TCGContext *s, int cond, TCGReg rt,
TCGReg rn, TCGReg rm)
{
tcg_out32(s, (cond << 28) | 0x07d00000 |
(rn << 16) | (rd << 12) | rm);
tcg_out_memop_r(s, cond, INSN_LDRB_REG, rt, rn, rm, 1, 1, 0);
}
static inline void tcg_out_st8_r(TCGContext *s, int cond,
int rd, int rn, int rm)
static inline void tcg_out_st8_r(TCGContext *s, int cond, TCGReg rt,
TCGReg rn, TCGReg rm)
{
tcg_out32(s, (cond << 28) | 0x07c00000 |
(rn << 16) | (rd << 12) | rm);
tcg_out_memop_r(s, cond, INSN_STRB_REG, rt, rn, rm, 1, 1, 0);
}
static inline void tcg_out_ld8s_8(TCGContext *s, int cond,
int rd, int rn, tcg_target_long im)
static inline void tcg_out_ld8s_8(TCGContext *s, int cond, TCGReg rt,
TCGReg rn, int imm8)
{
if (im >= 0)
tcg_out32(s, (cond << 28) | 0x01d000d0 |
(rn << 16) | (rd << 12) |
((im & 0xf0) << 4) | (im & 0xf));
else
tcg_out32(s, (cond << 28) | 0x015000d0 |
(rn << 16) | (rd << 12) |
(((-im) & 0xf0) << 4) | ((-im) & 0xf));
tcg_out_memop_8(s, cond, INSN_LDRSB_IMM, rt, rn, imm8, 1, 0);
}
static inline void tcg_out_ld8s_r(TCGContext *s, int cond,
int rd, int rn, int rm)
static inline void tcg_out_ld8s_r(TCGContext *s, int cond, TCGReg rt,
TCGReg rn, TCGReg rm)
{
tcg_out32(s, (cond << 28) | 0x019000d0 |
(rn << 16) | (rd << 12) | rm);
tcg_out_memop_r(s, cond, INSN_LDRSB_REG, rt, rn, rm, 1, 1, 0);
}
static inline void tcg_out_ld32u(TCGContext *s, int cond,
......
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