tcg/optimize: Build and use o_bits in fold_shift
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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1 changed files with 4 additions and 2 deletions
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@ -2675,7 +2675,7 @@ static bool fold_sextract(OptContext *ctx, TCGOp *op)
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static bool fold_shift(OptContext *ctx, TCGOp *op)
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{
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uint64_t s_mask, z_mask;
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uint64_t s_mask, z_mask, o_mask;
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TempOptInfo *t1, *t2;
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if (fold_const2(ctx, op) ||
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@ -2688,14 +2688,16 @@ static bool fold_shift(OptContext *ctx, TCGOp *op)
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t2 = arg_info(op->args[2]);
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s_mask = t1->s_mask;
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z_mask = t1->z_mask;
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o_mask = t1->o_mask;
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if (ti_is_const(t2)) {
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int sh = ti_const_val(t2);
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z_mask = do_constant_folding(op->opc, ctx->type, z_mask, sh);
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o_mask = do_constant_folding(op->opc, ctx->type, o_mask, sh);
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s_mask = do_constant_folding(op->opc, ctx->type, s_mask, sh);
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return fold_masks_zs(ctx, op, z_mask, s_mask);
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return fold_masks_zos(ctx, op, z_mask, o_mask, s_mask);
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}
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switch (op->opc) {
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