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| author | Richard Henderson <richard.henderson@linaro.org> | 2018-11-20 08:53:34 +0100 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2018-12-17 06:04:44 +0300 |
| commit | 6498594c8eda83c5f5915afc34bd03396f8de6df (patch) | |
| tree | a11fd2c30953ce5e42eb85dfe9e0cb77ab1b39d1 /tcg | |
| parent | 9e821eab0ab708add35fa0446d880086e845ee3e (diff) | |
| download | qemu-6498594c8eda83c5f5915afc34bd03396f8de6df.zip qemu-6498594c8eda83c5f5915afc34bd03396f8de6df.tar.gz qemu-6498594c8eda83c5f5915afc34bd03396f8de6df.tar.bz2 | |
tcg/optimize: Optimize bswap
Somehow we forgot these operations, once upon a time.
This will allow immediate stores to have their bswap
optimized away.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'tcg')
| -rw-r--r-- | tcg/optimize.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/tcg/optimize.c b/tcg/optimize.c index 5dbe11c..6b98ec1 100644 --- a/tcg/optimize.c +++ b/tcg/optimize.c @@ -353,6 +353,15 @@ static TCGArg do_constant_folding_2(TCGOpcode op, TCGArg x, TCGArg y) CASE_OP_32_64(ext16u): return (uint16_t)x; + CASE_OP_32_64(bswap16): + return bswap16(x); + + CASE_OP_32_64(bswap32): + return bswap32(x); + + case INDEX_op_bswap64_i64: + return bswap64(x); + case INDEX_op_ext_i32_i64: case INDEX_op_ext32s_i64: return (int32_t)x; @@ -1105,6 +1114,9 @@ void tcg_optimize(TCGContext *s) CASE_OP_32_64(ext16s): CASE_OP_32_64(ext16u): CASE_OP_32_64(ctpop): + CASE_OP_32_64(bswap16): + CASE_OP_32_64(bswap32): + case INDEX_op_bswap64_i64: case INDEX_op_ext32s_i64: case INDEX_op_ext32u_i64: case INDEX_op_ext_i32_i64: |