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tcg: optimize logical operations 

Simplify nand/nor/eqv and move their optimizations to and/or/xor

Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6805 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
aurel32 2009-03-10 19:37:39 +00:00
parent 515e2f7efe
commit 7fc8105195
1 changed files with 60 additions and 50 deletions
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110
tcg/tcg-op.h
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@ -436,7 +436,11 @@ static inline void tcg_gen_subi_i32(TCGv_i32 ret, TCGv_i32 arg1, int32_t arg2)
static inline void tcg_gen_and_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
{
tcg_gen_op3_i32(INDEX_op_and_i32, ret, arg1, arg2);
if (TCGV_EQUAL_I32(arg1, arg2)) {
tcg_gen_mov_i32(ret, arg1);
} else {
tcg_gen_op3_i32(INDEX_op_and_i32, ret, arg1, arg2);
}
}
static inline void tcg_gen_andi_i32(TCGv_i32 ret, TCGv_i32 arg1, int32_t arg2)
@ -455,7 +459,11 @@ static inline void tcg_gen_andi_i32(TCGv_i32 ret, TCGv_i32 arg1, int32_t arg2)
static inline void tcg_gen_or_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
{
tcg_gen_op3_i32(INDEX_op_or_i32, ret, arg1, arg2);
if (TCGV_EQUAL_I32(arg1, arg2)) {
tcg_gen_mov_i32(ret, arg1);
} else {
tcg_gen_op3_i32(INDEX_op_or_i32, ret, arg1, arg2);
}
}
static inline void tcg_gen_ori_i32(TCGv_i32 ret, TCGv_i32 arg1, int32_t arg2)
@ -474,7 +482,11 @@ static inline void tcg_gen_ori_i32(TCGv_i32 ret, TCGv_i32 arg1, int32_t arg2)
static inline void tcg_gen_xor_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
{
tcg_gen_op3_i32(INDEX_op_xor_i32, ret, arg1, arg2);
if (TCGV_EQUAL_I32(arg1, arg2)) {
tcg_gen_movi_i32(ret, 0);
} else {
tcg_gen_op3_i32(INDEX_op_xor_i32, ret, arg1, arg2);
}
}
static inline void tcg_gen_xori_i32(TCGv_i32 ret, TCGv_i32 arg1, int32_t arg2)
@ -745,14 +757,22 @@ static inline void tcg_gen_and_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
static inline void tcg_gen_andi_i64(TCGv_i64 ret, TCGv_i64 arg1, int64_t arg2)
{
tcg_gen_andi_i32(TCGV_LOW(ret), TCGV_LOW(arg1), arg2);
tcg_gen_andi_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), arg2 >> 32);
if (TCGV_EQUAL_I64(arg1, arg2)) {
tcg_gen_mov_i64(ret, arg1);
} else {
tcg_gen_andi_i32(TCGV_LOW(ret), TCGV_LOW(arg1), arg2);
tcg_gen_andi_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), arg2 >> 32);
}
}
static inline void tcg_gen_or_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
{
tcg_gen_or_i32(TCGV_LOW(ret), TCGV_LOW(arg1), TCGV_LOW(arg2));
tcg_gen_or_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), TCGV_HIGH(arg2));
if (TCGV_EQUAL_I64(arg1, arg2)) {
tcg_gen_mov_i64(ret, arg1);
} else {
tcg_gen_or_i32(TCGV_LOW(ret), TCGV_LOW(arg1), TCGV_LOW(arg2));
tcg_gen_or_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), TCGV_HIGH(arg2));
}
}
static inline void tcg_gen_ori_i64(TCGv_i64 ret, TCGv_i64 arg1, int64_t arg2)
@ -763,8 +783,12 @@ static inline void tcg_gen_ori_i64(TCGv_i64 ret, TCGv_i64 arg1, int64_t arg2)
static inline void tcg_gen_xor_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
{
tcg_gen_xor_i32(TCGV_LOW(ret), TCGV_LOW(arg1), TCGV_LOW(arg2));
tcg_gen_xor_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), TCGV_HIGH(arg2));
if (TCGV_EQUAL_I64(arg1, arg2)) {
tcg_gen_movi_i64(ret, 0);
} else {
tcg_gen_xor_i32(TCGV_LOW(ret), TCGV_LOW(arg1), TCGV_LOW(arg2));
tcg_gen_xor_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), TCGV_HIGH(arg2));
}
}
static inline void tcg_gen_xori_i64(TCGv_i64 ret, TCGv_i64 arg1, int64_t arg2)
@ -943,7 +967,11 @@ static inline void tcg_gen_sub_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
static inline void tcg_gen_and_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
{
tcg_gen_op3_i64(INDEX_op_and_i64, ret, arg1, arg2);
if (TCGV_EQUAL_I64(arg1, arg2)) {
tcg_gen_mov_i64(ret, arg1);
} else {
tcg_gen_op3_i64(INDEX_op_and_i64, ret, arg1, arg2);
}
}
static inline void tcg_gen_andi_i64(TCGv_i64 ret, TCGv_i64 arg1, int64_t arg2)
@ -955,7 +983,11 @@ static inline void tcg_gen_andi_i64(TCGv_i64 ret, TCGv_i64 arg1, int64_t arg2)
static inline void tcg_gen_or_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
{
tcg_gen_op3_i64(INDEX_op_or_i64, ret, arg1, arg2);
if (TCGV_EQUAL_I64(arg1, arg2)) {
tcg_gen_mov_i64(ret, arg1);
} else {
tcg_gen_op3_i64(INDEX_op_or_i64, ret, arg1, arg2);
}
}
static inline void tcg_gen_ori_i64(TCGv_i64 ret, TCGv_i64 arg1, int64_t arg2)
@ -967,7 +999,11 @@ static inline void tcg_gen_ori_i64(TCGv_i64 ret, TCGv_i64 arg1, int64_t arg2)
static inline void tcg_gen_xor_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
{
tcg_gen_op3_i64(INDEX_op_xor_i64, ret, arg1, arg2);
if (TCGV_EQUAL_I64(arg1, arg2)) {
tcg_gen_movi_i64(ret, 0);
} else {
tcg_gen_op3_i64(INDEX_op_xor_i64, ret, arg1, arg2);
}
}
static inline void tcg_gen_xori_i64(TCGv_i64 ret, TCGv_i64 arg1, int64_t arg2)
@ -1509,64 +1545,38 @@ static inline void tcg_gen_andc_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
static inline void tcg_gen_eqv_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
{
TCGv_i32 t0;
t0 = tcg_temp_new_i32();
tcg_gen_xor_i32(t0, arg1, arg2);
tcg_gen_not_i32(ret, t0);
tcg_temp_free_i32(t0);
tcg_gen_xor_i32(ret, arg1, arg2);
tcg_gen_not_i32(ret, ret);
}
static inline void tcg_gen_eqv_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
{
TCGv_i64 t0;
t0 = tcg_temp_new_i64();
tcg_gen_xor_i64(t0, arg1, arg2);
tcg_gen_not_i64(ret, t0);
tcg_temp_free_i64(t0);
tcg_gen_xor_i64(ret, arg1, arg2);
tcg_gen_not_i64(ret, ret);
}
static inline void tcg_gen_nand_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
{
TCGv_i32 t0;
t0 = tcg_temp_new_i32();
tcg_gen_and_i32(t0, arg1, arg2);
tcg_gen_not_i32(ret, t0);
tcg_temp_free_i32(t0);
tcg_gen_and_i32(ret, arg1, arg2);
tcg_gen_not_i32(ret, ret);
}
static inline void tcg_gen_nand_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
{
TCGv_i64 t0;
t0 = tcg_temp_new_i64();
tcg_gen_and_i64(t0, arg1, arg2);
tcg_gen_not_i64(ret, t0);
tcg_temp_free_i64(t0);
tcg_gen_and_i64(ret, arg1, arg2);
tcg_gen_not_i64(ret, ret);
}
static inline void tcg_gen_nor_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
{
if (TCGV_EQUAL_I32(arg1, arg2)) {
tcg_gen_not_i32(ret, arg1);
} else {
TCGv_i32 t0;
t0 = tcg_temp_new_i32();
tcg_gen_or_i32(t0, arg1, arg2);
tcg_gen_not_i32(ret, t0);
tcg_temp_free_i32(t0);
}
tcg_gen_or_i32(ret, arg1, arg2);
tcg_gen_not_i32(ret, ret);
}
static inline void tcg_gen_nor_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
{
if (TCGV_EQUAL_I64(arg1, arg2)) {
tcg_gen_not_i64(ret, arg1);
} else {
TCGv_i64 t0;
t0 = tcg_temp_new_i64();
tcg_gen_or_i64(t0, arg1, arg2);
tcg_gen_not_i64(ret, t0);
tcg_temp_free_i64(t0);
}
tcg_gen_or_i64(ret, arg1, arg2);
tcg_gen_not_i64(ret, ret);
}
static inline void tcg_gen_orc_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)