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[PATCH v4 25/51] tcg/optimize: Split out fold_deposit
From: |
Richard Henderson |
Subject: |
[PATCH v4 25/51] tcg/optimize: Split out fold_deposit |
Date: |
Tue, 26 Oct 2021 16:09:17 -0700 |
Reviewed-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>
---
tcg/optimize.c | 25 +++++++++++++++----------
1 file changed, 15 insertions(+), 10 deletions(-)
diff --git a/tcg/optimize.c b/tcg/optimize.c
index 3bd5f043c8..2c57d08760 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_divide(OptContext *ctx, TCGOp *op)
{
return fold_const2(ctx, op);
@@ -1741,16 +1753,6 @@ 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;
@@ -1778,6 +1780,9 @@ 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_divide(&ctx, op);
--
2.25.1
- [PATCH v4 26/51] tcg/optimize: Split out fold_count_zeros, (continued)
- [PATCH v4 26/51] tcg/optimize: Split out fold_count_zeros, Richard Henderson, 2021/10/26
- [PATCH v4 23/51] tcg/optimize: Split out fold_extract2, Richard Henderson, 2021/10/26
- [PATCH v4 24/51] tcg/optimize: Split out fold_extract, fold_sextract, Richard Henderson, 2021/10/26
- [PATCH v4 16/51] tcg/optimize: Split out fold_setcond2, Richard Henderson, 2021/10/26
- [PATCH v4 27/51] tcg/optimize: Split out fold_bswap, Richard Henderson, 2021/10/26
- [PATCH v4 35/51] tcg/optimize: Split out fold_sub_to_neg, Richard Henderson, 2021/10/26
- [PATCH v4 28/51] tcg/optimize: Split out fold_dup, fold_dup2, Richard Henderson, 2021/10/26
- [PATCH v4 29/51] tcg/optimize: Split out fold_mov, Richard Henderson, 2021/10/26
- [PATCH v4 39/51] tcg/optimize: Expand fold_mulu2_i32 to all 4-arg multiplies, Richard Henderson, 2021/10/26
- [PATCH v4 25/51] tcg/optimize: Split out fold_deposit,
Richard Henderson <=
- [PATCH v4 31/51] tcg/optimize: Split out fold_xx_to_x, Richard Henderson, 2021/10/26
- [PATCH v4 30/51] tcg/optimize: Split out fold_xx_to_i, Richard Henderson, 2021/10/26
- [PATCH v4 34/51] tcg/optimize: Split out fold_to_not, Richard Henderson, 2021/10/26
- [PATCH v4 33/51] tcg/optimize: Add type to OptContext, Richard Henderson, 2021/10/26
- [PATCH v4 37/51] tcg/optimize: Split out fold_ix_to_i, Richard Henderson, 2021/10/26
- [PATCH v4 38/51] tcg/optimize: Split out fold_masks, Richard Henderson, 2021/10/26
- [PATCH v4 32/51] tcg/optimize: Split out fold_xi_to_i, Richard Henderson, 2021/10/26