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tcg/arm: use ext* ops in qemu_ld

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Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
This commit is contained in:
Aurelien Jarno 2010-04-09 20:52:48 +02:00
parent 7e0d95628d
commit e854b6d39c
1 changed files with 12 additions and 18 deletions
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30
tcg/arm/tcg-target.c
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@ -499,6 +499,12 @@ static inline void tcg_out_ext8s(TCGContext *s, int cond,
}
}
static inline void tcg_out_ext8u(TCGContext *s, int cond,
int rd, int rn)
{
tcg_out_dat_imm(s, cond, ARITH_AND, rd, rn, 0xff);
}
static inline void tcg_out_ext16s(TCGContext *s, int cond,
int rd, int rn)
{
@ -1017,16 +1023,10 @@ static inline void tcg_out_qemu_ld(TCGContext *s, const TCGArg *args, int opc)
switch (opc) {
case 0 | 4:
tcg_out_dat_reg(s, COND_AL, ARITH_MOV,
TCG_REG_R0, 0, TCG_REG_R0, SHIFT_IMM_LSL(24));
tcg_out_dat_reg(s, COND_AL, ARITH_MOV,
data_reg, 0, TCG_REG_R0, SHIFT_IMM_ASR(24));
tcg_out_ext8s(s, COND_AL, data_reg, TCG_REG_R0);
break;
case 1 | 4:
tcg_out_dat_reg(s, COND_AL, ARITH_MOV,
TCG_REG_R0, 0, TCG_REG_R0, SHIFT_IMM_LSL(16));
tcg_out_dat_reg(s, COND_AL, ARITH_MOV,
data_reg, 0, TCG_REG_R0, SHIFT_IMM_ASR(16));
tcg_out_ext16s(s, COND_AL, data_reg, TCG_REG_R0);
break;
case 0:
case 1:
@ -1191,14 +1191,11 @@ static inline void tcg_out_qemu_st(TCGContext *s, const TCGArg *args, int opc)
# if TARGET_LONG_BITS == 32
switch (opc) {
case 0:
tcg_out_dat_imm(s, COND_AL, ARITH_AND, TCG_REG_R1, data_reg, 0xff);
tcg_out_ext8u(s, COND_AL, TCG_REG_R1, data_reg);
tcg_out_dat_imm(s, COND_AL, ARITH_MOV, TCG_REG_R2, 0, mem_index);
break;
case 1:
tcg_out_dat_reg(s, COND_AL, ARITH_MOV,
TCG_REG_R1, 0, data_reg, SHIFT_IMM_LSL(16));
tcg_out_dat_reg(s, COND_AL, ARITH_MOV,
TCG_REG_R1, 0, TCG_REG_R1, SHIFT_IMM_LSR(16));
tcg_out_ext16u(s, COND_AL, TCG_REG_R1, data_reg);
tcg_out_dat_imm(s, COND_AL, ARITH_MOV, TCG_REG_R2, 0, mem_index);
break;
case 2:
@ -1227,14 +1224,11 @@ static inline void tcg_out_qemu_st(TCGContext *s, const TCGArg *args, int opc)
}
switch (opc) {
case 0:
tcg_out_dat_imm(s, COND_AL, ARITH_AND, TCG_REG_R2, data_reg, 0xff);
tcg_out_ext8u(s, COND_AL, TCG_REG_R2, data_reg);
tcg_out_dat_imm(s, COND_AL, ARITH_MOV, TCG_REG_R3, 0, mem_index);
break;
case 1:
tcg_out_dat_reg(s, COND_AL, ARITH_MOV,
TCG_REG_R2, 0, data_reg, SHIFT_IMM_LSL(16));
tcg_out_dat_reg(s, COND_AL, ARITH_MOV,
TCG_REG_R2, 0, TCG_REG_R2, SHIFT_IMM_LSR(16));
tcg_out_ext16u(s, COND_AL, TCG_REG_R2, data_reg);
tcg_out_dat_imm(s, COND_AL, ARITH_MOV, TCG_REG_R3, 0, mem_index);
break;
case 2: