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| author | Richard Henderson <richard.henderson@linaro.org> | 2024-12-08 21:39:01 -0600 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2024-12-24 08:32:15 -0800 |
| commit | c890fd71794601431694ce0650055fbe927a1d8e (patch) | |
| tree | 65f959a6e8bb7473bf2e8d46f6a30253ec719330 /tcg | |
| parent | 0fb5b757c344cb57d7c81922262bc8546c3ab504 (diff) | |
| download | qemu-c890fd71794601431694ce0650055fbe927a1d8e.zip qemu-c890fd71794601431694ce0650055fbe927a1d8e.tar.gz qemu-c890fd71794601431694ce0650055fbe927a1d8e.tar.bz2 | |
tcg/optimize: Use fold_masks_zs in fold_xor
Avoid the use of the OptContext slots. Find TempOptInfo once.
Remove fold_masks as the function becomes unused.
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'tcg')
| -rw-r--r-- | tcg/optimize.c | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/tcg/optimize.c b/tcg/optimize.c index 047cb5a..d543266 100644 --- a/tcg/optimize.c +++ b/tcg/optimize.c @@ -1077,11 +1077,6 @@ static bool fold_masks_s(OptContext *ctx, TCGOp *op, uint64_t s_mask) return fold_masks_zs(ctx, op, -1, s_mask); } -static bool fold_masks(OptContext *ctx, TCGOp *op) -{ - return fold_masks_zs(ctx, op, ctx->z_mask, ctx->s_mask); -} - /* * An "affected" mask bit is 0 if and only if the result is identical * to the first input. Thus if the entire mask is 0, the operation @@ -2769,6 +2764,9 @@ static bool fold_tcg_st_memcopy(OptContext *ctx, TCGOp *op) static bool fold_xor(OptContext *ctx, TCGOp *op) { + uint64_t z_mask, s_mask; + TempOptInfo *t1, *t2; + if (fold_const2_commutative(ctx, op) || fold_xx_to_i(ctx, op, 0) || fold_xi_to_x(ctx, op, 0) || @@ -2776,11 +2774,11 @@ static bool fold_xor(OptContext *ctx, TCGOp *op) return true; } - ctx->z_mask = arg_info(op->args[1])->z_mask - | arg_info(op->args[2])->z_mask; - ctx->s_mask = arg_info(op->args[1])->s_mask - & arg_info(op->args[2])->s_mask; - return fold_masks(ctx, op); + t1 = arg_info(op->args[1]); + t2 = arg_info(op->args[2]); + z_mask = t1->z_mask | t2->z_mask; + s_mask = t1->s_mask & t2->s_mask; + return fold_masks_zs(ctx, op, z_mask, s_mask); } static bool fold_bitsel_vec(OptContext *ctx, TCGOp *op) |