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[PATCH v3 25/48] tcg/optimize: Split out fold_deposit
From: |
Richard Henderson |
Subject: |
[PATCH v3 25/48] tcg/optimize: Split out fold_deposit |
Date: |
Thu, 21 Oct 2021 14:05:16 -0700 |
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
tcg/optimize.c | 25 +++++++++++++++----------
1 file changed, 15 insertions(+), 10 deletions(-)
diff --git a/tcg/optimize.c b/tcg/optimize.c
index 3fffc5b200..9758d83e3e 100644
--- a/tcg/optimize.c
+++ b/tcg/optimize.c
@@ -878,6 +878,18 @@ static bool fold_ctpop(OptContext *ctx, TCGOp *op)
return fold_const1(ctx, op);
}
+static bool fold_deposit(OptContext *ctx, TCGOp *op)
+{
+ if (arg_is_const(op->args[1]) && arg_is_const(op->args[2])) {
+ uint64_t t1 = arg_info(op->args[1])->val;
+ uint64_t t2 = arg_info(op->args[2])->val;
+
+ t1 = deposit64(t1, op->args[3], op->args[4], t2);
+ return tcg_opt_gen_movi(ctx, op, op->args[0], t1);
+ }
+ return false;
+}
+
static bool fold_eqv(OptContext *ctx, TCGOp *op)
{
return fold_const2(ctx, op);
@@ -1726,16 +1738,6 @@ void tcg_optimize(TCGContext *s)
}
break;
- CASE_OP_32_64(deposit):
- if (arg_is_const(op->args[1]) && arg_is_const(op->args[2])) {
- tmp = deposit64(arg_info(op->args[1])->val,
- op->args[3], op->args[4],
- arg_info(op->args[2])->val);
- tcg_opt_gen_movi(&ctx, op, op->args[0], tmp);
- continue;
- }
- break;
-
default:
break;
@@ -1763,6 +1765,9 @@ void tcg_optimize(TCGContext *s)
CASE_OP_32_64(ctpop):
done = fold_ctpop(&ctx, op);
break;
+ CASE_OP_32_64(deposit):
+ done = fold_deposit(&ctx, op);
+ break;
CASE_OP_32_64(div):
CASE_OP_32_64(divu):
done = fold_const2(&ctx, op);
--
2.25.1
- RE: [PATCH v3 36/48] tcg/optimize: Split out fold_xi_to_x, (continued)
- [PATCH v3 35/48] tcg/optimize: Split out fold_sub_to_neg, Richard Henderson, 2021/10/21
- [PATCH v3 38/48] tcg/optimize: Split out fold_masks, Richard Henderson, 2021/10/21
- [PATCH v3 39/48] tcg/optimize: Expand fold_mulu2_i32 to all 4-arg multiplies, Richard Henderson, 2021/10/21
- [PATCH v3 20/48] tcg/optimize: Split out fold_mulu2_i32, Richard Henderson, 2021/10/21
- [PATCH v3 25/48] tcg/optimize: Split out fold_deposit,
Richard Henderson <=
- [PATCH v3 26/48] tcg/optimize: Split out fold_count_zeros, Richard Henderson, 2021/10/21
- [PATCH v3 16/48] tcg/optimize: Split out fold_setcond2, Richard Henderson, 2021/10/21
- [PATCH v3 27/48] tcg/optimize: Split out fold_bswap, Richard Henderson, 2021/10/21
- [PATCH v3 10/48] tcg/optimize: Change fail return for do_constant_folding_cond*, Richard Henderson, 2021/10/21