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Add concat32_i64 and concat_tl_i64 ops 

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5282 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
blueswir1 2008-09-21 18:32:28 +00:00
parent a7ec422912
commit 945ca823b9
2 changed files with 18 additions and 0 deletions
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4
tcg/README
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@ -269,6 +269,10 @@ Truncate t1 (64 bit) to t0 (32 bit)
Construct t0 (64-bit) taking the low half from t1 (32 bit) and the high half
from t2 (32 bit).
* concat32_i64 t0, t1, t2
Construct t0 (64-bit) taking the low half from t1 (64 bit) and the high half
from t2 (64 bit).
********* Load/Store
* ld_i32/i64 t0, t1, offset

14
tcg/tcg-op.h
View File

@ -1412,6 +1412,18 @@ static inline void tcg_gen_concat_i32_i64(TCGv dest, TCGv low, TCGv high)
#endif
}
static inline void tcg_gen_concat32_i64(TCGv dest, TCGv low, TCGv high)
{
#if TCG_TARGET_REG_BITS == 32
tcg_gen_concat_i32_i64(dest, low, high);
#else
TCGv tmp = tcg_temp_new(TCG_TYPE_I64);
tcg_gen_shli_i64(tmp, high, 32);
tcg_gen_or_i64(dest, low, tmp);
tcg_temp_free(tmp);
#endif
}
/***************************************/
/* QEMU specific operations. Their type depend on the QEMU CPU
type. */
@ -1664,6 +1676,7 @@ static inline void tcg_gen_qemu_st64(TCGv arg, TCGv addr, int mem_index)
#define tcg_gen_ext16s_tl tcg_gen_ext16s_i64
#define tcg_gen_ext32u_tl tcg_gen_ext32u_i64
#define tcg_gen_ext32s_tl tcg_gen_ext32s_i64
#define tcg_gen_concat_tl_i64 tcg_gen_concat32_i64
#define tcg_const_tl tcg_const_i64
#else
#define TCG_TYPE_TL TCG_TYPE_I32
@ -1715,6 +1728,7 @@ static inline void tcg_gen_qemu_st64(TCGv arg, TCGv addr, int mem_index)
#define tcg_gen_ext16s_tl tcg_gen_ext16s_i32
#define tcg_gen_ext32u_tl tcg_gen_mov_i32
#define tcg_gen_ext32s_tl tcg_gen_mov_i32
#define tcg_gen_concat_tl_i64 tcg_gen_concat_i32_i64
#define tcg_const_tl tcg_const_i32
#endif