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| author | Aurelien Jarno <aurelien@aurel32.net> | 2012-09-18 19:11:32 +0200 |
|---|---|---|
| committer | Aurelien Jarno <aurelien@aurel32.net> | 2012-09-22 15:10:21 +0200 |
| commit | 0aba1c7376ad325202f328211ab6dfcae94c7f2a (patch) | |
| tree | ac07b857fbb6b859307a6c9b0230aa9103c912bc | |
| parent | 1ff8c5418a680d6766493908eaa07cc11dce7f13 (diff) | |
tcg/optimize: optimize "op r, a, a => mov r, a"
Now that we can easily detect all copies, we can optimize the
"op r, a, a => mov r, a" case a bit more.
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, 1 insertions, 1 deletions
diff --git a/tcg/optimize.c b/tcg/optimize.c index aeb2225f2a..b9a7da920f 100644 --- a/tcg/optimize.c +++ b/tcg/optimize.c @@ -524,7 +524,7 @@ static TCGArg *tcg_constant_folding(TCGContext *s, uint16_t *tcg_opc_ptr, switch (op) { CASE_OP_32_64(or): CASE_OP_32_64(and): - if (args[1] == args[2]) { + if (temps_are_copies(args[1], args[2])) { if (temps_are_copies(args[0], args[1])) { gen_opc_buf[op_index] = INDEX_op_nop; } else { |