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| author | Richard Henderson <rth@twiddle.net> | 2011-08-17 14:11:47 -0700 |
|---|---|---|
| committer | Blue Swirl <blauwirbel@gmail.com> | 2011-08-21 18:52:25 +0000 |
| commit | cb25c80a9b8324c59aa157c4e9cfe296489d0b9c (patch) | |
| tree | f072771f999a655ebfbc9cd9105a80be401b7875 /tcg/optimize.c | |
| parent | 25c4d9cc845fb58f624dae8c0f690e20c70e7a1d (diff) | |
| download | qemu-cb25c80a9b8324c59aa157c4e9cfe296489d0b9c.zip qemu-cb25c80a9b8324c59aa157c4e9cfe296489d0b9c.tar.gz qemu-cb25c80a9b8324c59aa157c4e9cfe296489d0b9c.tar.bz2 | |
tcg: Constant fold neg, andc, orc, eqv, nand, nor.
Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Diffstat (limited to 'tcg/optimize.c')
| -rw-r--r-- | tcg/optimize.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/tcg/optimize.c b/tcg/optimize.c index 32f928f..7e7f2b2 100644 --- a/tcg/optimize.c +++ b/tcg/optimize.c @@ -215,6 +215,24 @@ static TCGArg do_constant_folding_2(int op, TCGArg x, TCGArg y) CASE_OP_32_64(not): return ~x; + CASE_OP_32_64(neg): + return -x; + + CASE_OP_32_64(andc): + return x & ~y; + + CASE_OP_32_64(orc): + return x | ~y; + + CASE_OP_32_64(eqv): + return ~(x ^ y); + + CASE_OP_32_64(nand): + return ~(x & y); + + CASE_OP_32_64(nor): + return ~(x | y); + CASE_OP_32_64(ext8s): return (int8_t)x; @@ -290,6 +308,9 @@ static TCGArg *tcg_constant_folding(TCGContext *s, uint16_t *tcg_opc_ptr, CASE_OP_32_64(and): CASE_OP_32_64(or): CASE_OP_32_64(xor): + CASE_OP_32_64(eqv): + CASE_OP_32_64(nand): + CASE_OP_32_64(nor): if (temps[args[1]].state == TCG_TEMP_CONST) { tmp = args[1]; args[1] = args[2]; @@ -389,6 +410,7 @@ static TCGArg *tcg_constant_folding(TCGContext *s, uint16_t *tcg_opc_ptr, args += 2; break; CASE_OP_32_64(not): + CASE_OP_32_64(neg): CASE_OP_32_64(ext8s): CASE_OP_32_64(ext8u): CASE_OP_32_64(ext16s): @@ -421,6 +443,11 @@ static TCGArg *tcg_constant_folding(TCGContext *s, uint16_t *tcg_opc_ptr, CASE_OP_32_64(sar): CASE_OP_32_64(rotl): CASE_OP_32_64(rotr): + CASE_OP_32_64(andc): + CASE_OP_32_64(orc): + CASE_OP_32_64(eqv): + CASE_OP_32_64(nand): + CASE_OP_32_64(nor): if (temps[args[1]].state == TCG_TEMP_CONST && temps[args[2]].state == TCG_TEMP_CONST) { gen_opc_buf[op_index] = op_to_movi(op); |