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| author |   Aurelien Jarno <aurelien@aurel32.net> | 2012-09-06 16:47:14 +0200 |
|---|---|---|
| committer | Aurelien Jarno <aurelien@aurel32.net> | 2012-09-11 18:05:56 +0200 |
| commit | 38ee188b1b63606191c013046add021bdc6f1bfd (patch) | |
| tree | 0569a86688a72d7bcf5cb469f3bdb21912cd3280 | |
| parent | 56e4943825e70a45d1fbba4fffa431000c6e1c7a (diff) | |
tcg/optimize: simplify or/xor r, a, 0 cases
or/xor r, a, 0 is equivalent to a mov r, a.
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
| -rw-r--r-- | tcg/optimize.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/tcg/optimize.c b/tcg/optimize.c index 63f970d04..0db849edb 100644 --- a/tcg/optimize.c +++ b/tcg/optimize.c @@ -331,6 +331,8 @@ 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(or): + CASE_OP_32_64(xor): if (temps[args[1]].state == TCG_TEMP_CONST) { /* Proceed with possible constant folding. */ break; |