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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 18:05:57 +0200 |
| commit | 61251c0c790d0a63468c8e3eb2767c1f4bf3654a (patch) | |
| tree | 4185b54fc463c60cf5d662991102d0468b9637bb /tcg/optimize.c | |
| parent | 38ee188b1b63606191c013046add021bdc6f1bfd (diff) | |
| download | qemu-61251c0c790d0a63468c8e3eb2767c1f4bf3654a.zip qemu-61251c0c790d0a63468c8e3eb2767c1f4bf3654a.tar.gz qemu-61251c0c790d0a63468c8e3eb2767c1f4bf3654a.tar.bz2 | |
tcg/optimize: simplify and r, a, 0 cases
and r, a, 0 is equivalent to a movi r, 0.
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Diffstat (limited to 'tcg/optimize.c')
| -rw-r--r-- | tcg/optimize.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/tcg/optimize.c b/tcg/optimize.c index 0db849e..c12cb2b 100644 --- a/tcg/optimize.c +++ b/tcg/optimize.c @@ -360,6 +360,7 @@ static TCGArg *tcg_constant_folding(TCGContext *s, uint16_t *tcg_opc_ptr, /* Simplify expression for "op r, a, 0 => movi r, 0" cases */ switch (op) { + CASE_OP_32_64(and): CASE_OP_32_64(mul): if ((temps[args[2]].state == TCG_TEMP_CONST && temps[args[2]].val == 0)) { |