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[PATCH v2 24/48] tcg/optimize: Split out fold_extract, fold_sextract
From: |
Richard Henderson |
Subject: |
[PATCH v2 24/48] tcg/optimize: Split out fold_extract, fold_sextract |
Date: |
Thu, 7 Oct 2021 12:54:32 -0700 |
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
tcg/optimize.c | 48 ++++++++++++++++++++++++++++++------------------
1 file changed, 30 insertions(+), 18 deletions(-)
diff --git a/tcg/optimize.c b/tcg/optimize.c
index 8229a67192..6020a678ab 100644
--- a/tcg/optimize.c
+++ b/tcg/optimize.c
@@ -885,6 +885,18 @@ static bool fold_eqv(OptContext *ctx, TCGOp *op)
return fold_const2(ctx, op);
}
+static bool fold_extract(OptContext *ctx, TCGOp *op)
+{
+ if (arg_is_const(op->args[1])) {
+ uint64_t t;
+
+ t = arg_info(op->args[1])->val;
+ t = extract64(t, op->args[2], op->args[3]);
+ return tcg_opt_gen_movi(ctx, op, op->args[0], t);
+ }
+ return false;
+}
+
static bool fold_extract2(OptContext *ctx, TCGOp *op)
{
if (arg_is_const(op->args[1]) && arg_is_const(op->args[2])) {
@@ -1113,6 +1125,18 @@ static bool fold_setcond2(OptContext *ctx, TCGOp *op)
return tcg_opt_gen_movi(ctx, op, op->args[0], i);
}
+static bool fold_sextract(OptContext *ctx, TCGOp *op)
+{
+ if (arg_is_const(op->args[1])) {
+ uint64_t t;
+
+ t = arg_info(op->args[1])->val;
+ t = sextract64(t, op->args[2], op->args[3]);
+ return tcg_opt_gen_movi(ctx, op, op->args[0], t);
+ }
+ return false;
+}
+
static bool fold_shift(OptContext *ctx, TCGOp *op)
{
return fold_const2(ctx, op);
@@ -1714,24 +1738,6 @@ void tcg_optimize(TCGContext *s)
}
break;
- CASE_OP_32_64(extract):
- if (arg_is_const(op->args[1])) {
- tmp = extract64(arg_info(op->args[1])->val,
- op->args[2], op->args[3]);
- tcg_opt_gen_movi(&ctx, op, op->args[0], tmp);
- continue;
- }
- break;
-
- CASE_OP_32_64(sextract):
- if (arg_is_const(op->args[1])) {
- tmp = sextract64(arg_info(op->args[1])->val,
- op->args[2], op->args[3]);
- tcg_opt_gen_movi(&ctx, op, op->args[0], tmp);
- continue;
- }
- break;
-
default:
break;
@@ -1766,6 +1772,9 @@ void tcg_optimize(TCGContext *s)
CASE_OP_32_64(eqv):
done = fold_eqv(&ctx, op);
break;
+ CASE_OP_32_64(extract):
+ done = fold_extract(&ctx, op);
+ break;
CASE_OP_32_64(extract2):
done = fold_extract2(&ctx, op);
break;
@@ -1841,6 +1850,9 @@ void tcg_optimize(TCGContext *s)
case INDEX_op_setcond2_i32:
done = fold_setcond2(&ctx, op);
break;
+ CASE_OP_32_64(sextract):
+ done = fold_sextract(&ctx, op);
+ break;
CASE_OP_32_64_VEC(sub):
done = fold_sub(&ctx, op);
break;
--
2.25.1
- RE: [PATCH v2 10/48] tcg/optimize: Change fail return for do_constant_folding_cond*, (continued)
- [PATCH v2 07/48] tcg/optimize: Split out copy_propagate, Richard Henderson, 2021/10/07
- [PATCH v2 14/48] tcg/optimize: Split out fold_mb, fold_qemu_{ld,st}, Richard Henderson, 2021/10/07
- [PATCH v2 16/48] tcg/optimize: Split out fold_setcond2, Richard Henderson, 2021/10/07
- [PATCH v2 18/48] tcg/optimize: Split out fold_brcond, Richard Henderson, 2021/10/07
- [PATCH v2 24/48] tcg/optimize: Split out fold_extract, fold_sextract,
Richard Henderson <=
- [PATCH v2 32/48] tcg/optimize: Split out fold_xi_to_i, Richard Henderson, 2021/10/07
- [PATCH v2 30/48] tcg/optimize: Split out fold_xx_to_i, Richard Henderson, 2021/10/07
- [PATCH v2 28/48] tcg/optimize: Split out fold_dup, fold_dup2, Richard Henderson, 2021/10/07
- [PATCH v2 35/48] tcg/optimize: Split out fold_sub_to_neg, Richard Henderson, 2021/10/07
- [PATCH v2 06/48] tcg/optimize: Split out init_arguments, Richard Henderson, 2021/10/07
- [PATCH v2 22/48] tcg/optimize: Split out fold_movcond, Richard Henderson, 2021/10/07
- [PATCH v2 25/48] tcg/optimize: Split out fold_deposit, Richard Henderson, 2021/10/07
- [PATCH v2 12/48] tcg/optimize: Split out finish_folding, Richard Henderson, 2021/10/07