diff options
| author | Richard Henderson <richard.henderson@linaro.org> | 2021-10-25 11:19:14 -0700 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2021-10-28 20:55:07 -0700 |
| commit | 5b5cf47983c37d4c49eb2b8449bc62a7d3d76dbc (patch) | |
| tree | 056f864319589165c29129903191be12f211289f /tcg | |
| parent | 4e858d96aa3997113014a31afabcf95fb36d2860 (diff) | |
tcg/optimize: Use fold_xi_to_x for mul
Recognize the identity function for low-part multiply.
Suggested-by: Luis Pires <luis.pires@eldorado.org.br>
Reviewed-by: Luis Pires <luis.pires@eldorado.org.br>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'tcg')
| -rw-r--r-- | tcg/optimize.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/tcg/optimize.c b/tcg/optimize.c index 6d795954f2..907049fb06 100644 --- a/tcg/optimize.c +++ b/tcg/optimize.c @@ -1461,7 +1461,8 @@ static bool fold_movcond(OptContext *ctx, TCGOp *op) static bool fold_mul(OptContext *ctx, TCGOp *op) { if (fold_const2(ctx, op) || - fold_xi_to_i(ctx, op, 0)) { + fold_xi_to_i(ctx, op, 0) || + fold_xi_to_x(ctx, op, 1)) { return true; } return false; |