Message ID | 20241220041104.53105-50-richard.henderson@linaro.org |
---|---|
State | Superseded |
Headers | show
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Series |
tcg: Remove in-flight mask data from OptContext
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expand
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diff --git a/tcg/optimize.c b/tcg/optimize.c index 94be844ee5..2b64b8a0ec 100644 --- a/tcg/optimize.c +++ b/tcg/optimize.c @@ -64,8 +64,6 @@ typedef struct OptContext { QSIMPLEQ_HEAD(, MemCopyInfo) mem_free; /* In flight values from optimization. */ - uint64_t z_mask; /* mask bit is 0 iff value bit is 0 */ - uint64_t s_mask; /* mask of clrsb(value) bits */ TCGType type; } OptContext; @@ -986,14 +984,6 @@ static bool finish_folding(OptContext *ctx, TCGOp *op) for (i = 0; i < nb_oargs; i++) { TCGTemp *ts = arg_temp(op->args[i]); reset_ts(ctx, ts); - /* - * Save the corresponding known-zero/sign bits mask for the - * first output argument (only one supported so far). - */ - if (i == 0) { - ts_info(ts)->z_mask = ctx->z_mask; - ts_info(ts)->s_mask = ctx->s_mask; - } } return true; } @@ -2907,10 +2897,6 @@ void tcg_optimize(TCGContext *s) ctx.type = TCG_TYPE_I32; } - /* Assume all bits affected, no bits known zero, no sign reps. */ - ctx.z_mask = -1; - ctx.s_mask = 0; - /* * Process each opcode. * Sorted alphabetically by opcode as much as possible.