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| author | Richard Henderson | 2021-10-25 20:30:33 +0200 |
|---|---|---|
| committer | Richard Henderson | 2021-10-29 05:55:07 +0200 |
| commit | 267c17e8252fd70b311871f3e936eb7cdf4abb51 (patch) | |
| tree | 1e96140a7aaee56497614d9d77153df82fc42008 /tcg | |
| parent | tcg/optimize: Use fold_xi_to_x for div (diff) | |
| download | qemu-267c17e8252fd70b311871f3e936eb7cdf4abb51.tar.gz qemu-267c17e8252fd70b311871f3e936eb7cdf4abb51.tar.xz qemu-267c17e8252fd70b311871f3e936eb7cdf4abb51.zip | |
tcg/optimize: Use fold_xx_to_i for rem
Recognize the constant function for remainder.
Suggested-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 | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/tcg/optimize.c b/tcg/optimize.c index f8b0709157..7ac63c9231 100644 --- a/tcg/optimize.c +++ b/tcg/optimize.c @@ -1624,7 +1624,11 @@ static bool fold_qemu_st(OptContext *ctx, TCGOp *op) static bool fold_remainder(OptContext *ctx, TCGOp *op) { - return fold_const2(ctx, op); + if (fold_const2(ctx, op) || + fold_xx_to_i(ctx, op, 0)) { + return true; + } + return false; } static bool fold_setcond(OptContext *ctx, TCGOp *op) |