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small shift opts

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4525 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2008-05-22 13:25:14 +00:00
parent c1c379686f
commit 34151a20ea
1 changed files with 30 additions and 6 deletions
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36
tcg/tcg-op.h
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@ -404,7 +404,11 @@ static inline void tcg_gen_shl_i32(TCGv ret, TCGv arg1, TCGv arg2)
static inline void tcg_gen_shli_i32(TCGv ret, TCGv arg1, int32_t arg2) static inline void tcg_gen_shli_i32(TCGv ret, TCGv arg1, int32_t arg2)
{ {
tcg_gen_shl_i32(ret, arg1, tcg_const_i32(arg2)); if (arg2 == 0) {
tcg_gen_mov_i32(ret, arg1);
} else {
tcg_gen_shl_i32(ret, arg1, tcg_const_i32(arg2));
}
} }
static inline void tcg_gen_shr_i32(TCGv ret, TCGv arg1, TCGv arg2) static inline void tcg_gen_shr_i32(TCGv ret, TCGv arg1, TCGv arg2)
@ -414,7 +418,11 @@ static inline void tcg_gen_shr_i32(TCGv ret, TCGv arg1, TCGv arg2)
static inline void tcg_gen_shri_i32(TCGv ret, TCGv arg1, int32_t arg2) static inline void tcg_gen_shri_i32(TCGv ret, TCGv arg1, int32_t arg2)
{ {
tcg_gen_shr_i32(ret, arg1, tcg_const_i32(arg2)); if (arg2 == 0) {
tcg_gen_mov_i32(ret, arg1);
} else {
tcg_gen_shr_i32(ret, arg1, tcg_const_i32(arg2));
}
} }
static inline void tcg_gen_sar_i32(TCGv ret, TCGv arg1, TCGv arg2) static inline void tcg_gen_sar_i32(TCGv ret, TCGv arg1, TCGv arg2)
@ -424,7 +432,11 @@ static inline void tcg_gen_sar_i32(TCGv ret, TCGv arg1, TCGv arg2)
static inline void tcg_gen_sari_i32(TCGv ret, TCGv arg1, int32_t arg2) static inline void tcg_gen_sari_i32(TCGv ret, TCGv arg1, int32_t arg2)
{ {
tcg_gen_sar_i32(ret, arg1, tcg_const_i32(arg2)); if (arg2 == 0) {
tcg_gen_mov_i32(ret, arg1);
} else {
tcg_gen_sar_i32(ret, arg1, tcg_const_i32(arg2));
}
} }
static inline void tcg_gen_brcond_i32(int cond, TCGv arg1, TCGv arg2, static inline void tcg_gen_brcond_i32(int cond, TCGv arg1, TCGv arg2,
@ -862,7 +874,11 @@ static inline void tcg_gen_shl_i64(TCGv ret, TCGv arg1, TCGv arg2)
static inline void tcg_gen_shli_i64(TCGv ret, TCGv arg1, int64_t arg2) static inline void tcg_gen_shli_i64(TCGv ret, TCGv arg1, int64_t arg2)
{ {
tcg_gen_shl_i64(ret, arg1, tcg_const_i64(arg2)); if (arg2 == 0) {
tcg_gen_mov_i64(ret, arg1);
} else {
tcg_gen_shl_i64(ret, arg1, tcg_const_i64(arg2));
}
} }
static inline void tcg_gen_shr_i64(TCGv ret, TCGv arg1, TCGv arg2) static inline void tcg_gen_shr_i64(TCGv ret, TCGv arg1, TCGv arg2)
@ -872,7 +888,11 @@ static inline void tcg_gen_shr_i64(TCGv ret, TCGv arg1, TCGv arg2)
static inline void tcg_gen_shri_i64(TCGv ret, TCGv arg1, int64_t arg2) static inline void tcg_gen_shri_i64(TCGv ret, TCGv arg1, int64_t arg2)
{ {
tcg_gen_shr_i64(ret, arg1, tcg_const_i64(arg2)); if (arg2 == 0) {
tcg_gen_mov_i64(ret, arg1);
} else {
tcg_gen_shr_i64(ret, arg1, tcg_const_i64(arg2));
}
} }
static inline void tcg_gen_sar_i64(TCGv ret, TCGv arg1, TCGv arg2) static inline void tcg_gen_sar_i64(TCGv ret, TCGv arg1, TCGv arg2)
@ -882,7 +902,11 @@ static inline void tcg_gen_sar_i64(TCGv ret, TCGv arg1, TCGv arg2)
static inline void tcg_gen_sari_i64(TCGv ret, TCGv arg1, int64_t arg2) static inline void tcg_gen_sari_i64(TCGv ret, TCGv arg1, int64_t arg2)
{ {
tcg_gen_sar_i64(ret, arg1, tcg_const_i64(arg2)); if (arg2 == 0) {
tcg_gen_mov_i64(ret, arg1);
} else {
tcg_gen_sar_i64(ret, arg1, tcg_const_i64(arg2));
}
} }
static inline void tcg_gen_brcond_i64(int cond, TCGv arg1, TCGv arg2, static inline void tcg_gen_brcond_i64(int cond, TCGv arg1, TCGv arg2,