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tcg-aarch64: Implement mov with tcg_out_insn 

Avoid the magic numbers in the current implementation.

Signed-off-by: Richard Henderson <rth@twiddle.net>
Reviewed-by: Claudio Fontana <claudio.fontana@huawei.com>
Tested-by: Claudio Fontana <claudio.fontana@huawei.com>
master
Richard Henderson 2013-08-13 14:49:18 -07:00
parent 096c46c0ff
commit 7d11fc7c2b
1 changed files with 9 additions and 15 deletions
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24
tcg/aarch64/tcg-target.c
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@ -376,13 +376,16 @@ static inline void tcg_out_ldst_12(TCGContext *s,
| op_type << 20 | scaled_uimm << 10 | rn << 5 | rd);
}
static inline void tcg_out_movr(TCGContext *s, TCGType ext,
TCGReg rd, TCGReg src)
/* Register to register move using ORR (shifted register with no shift). */
static void tcg_out_movr(TCGContext *s, TCGType ext, TCGReg rd, TCGReg rm)
{
/* register to register move using MOV (shifted register with no shift) */
/* using MOV 0x2a0003e0 | (shift).. */
unsigned int base = ext ? 0xaa0003e0 : 0x2a0003e0;
tcg_out32(s, base | src << 16 | rd);
tcg_out_insn(s, 3510, ORR, ext, rd, TCG_REG_XZR, rm);
}
/* Register to register move using ADDI (move to/from SP). */
static void tcg_out_movr_sp(TCGContext *s, TCGType ext, TCGReg rd, TCGReg rn)
{
tcg_out_insn(s, 3401, ADDI, ext, rd, rn, 0);
}
static inline void tcg_out_movi_aux(TCGContext *s,
@ -457,15 +460,6 @@ static inline void tcg_out_ldst(TCGContext *s, enum aarch64_ldst_op_data data,
tcg_out_ldst_r(s, data, type, rd, rn, TCG_REG_TMP);
}
/* mov alias implemented with add immediate, useful to move to/from SP */
static inline void tcg_out_movr_sp(TCGContext *s, TCGType ext,
TCGReg rd, TCGReg rn)
{
/* using ADD 0x11000000 | (ext) | rn << 5 | rd */
unsigned int base = ext ? 0x91000000 : 0x11000000;
tcg_out32(s, base | rn << 5 | rd);
}
static inline void tcg_out_mov(TCGContext *s,
TCGType type, TCGReg ret, TCGReg arg)
{