tcg: optimize nor(X, Y, Y), used on PPC for not(X, Y)
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6798 c046a42c-6fe2-441c-8c8c-71466251a162
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@ -1545,20 +1545,28 @@ static inline void tcg_gen_nand_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
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static inline void tcg_gen_nor_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
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{
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if (GET_TCGV_I32(arg1) != GET_TCGV_I32(arg2)) {
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TCGv_i32 t0;
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t0 = tcg_temp_new_i32();
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tcg_gen_or_i32(t0, arg1, arg2);
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tcg_gen_not_i32(ret, t0);
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tcg_temp_free_i32(t0);
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} else {
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tcg_gen_not_i32(ret, arg1);
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}
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}
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static inline void tcg_gen_nor_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
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{
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if (GET_TCGV_I64(arg1) != GET_TCGV_I64(arg2)) {
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TCGv_i64 t0;
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t0 = tcg_temp_new_i64();
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tcg_gen_or_i64(t0, arg1, arg2);
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tcg_gen_not_i64(ret, t0);
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tcg_temp_free_i64(t0);
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} else {
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tcg_gen_not_i64(ret, arg1);
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}
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}
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static inline void tcg_gen_orc_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
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