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[PATCH v2 19/48] tcg/optimize: Split out fold_setcond
From: |
Richard Henderson |
Subject: |
[PATCH v2 19/48] tcg/optimize: Split out fold_setcond |
Date: |
Thu, 7 Oct 2021 12:54:27 -0700 |
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
tcg/optimize.c | 23 ++++++++++++++---------
1 file changed, 14 insertions(+), 9 deletions(-)
diff --git a/tcg/optimize.c b/tcg/optimize.c
index 786d46ed66..6bb5e19e55 100644
--- a/tcg/optimize.c
+++ b/tcg/optimize.c
@@ -935,6 +935,17 @@ static bool fold_qemu_st(OptContext *ctx, TCGOp *op)
return false;
}
+static bool fold_setcond(OptContext *ctx, TCGOp *op)
+{
+ TCGCond cond = op->args[3];
+ int i = do_constant_folding_cond(op->opc, op->args[1], op->args[2], cond);
+
+ if (i >= 0) {
+ return tcg_opt_gen_movi(ctx, op, op->args[0], i);
+ }
+ return false;
+}
+
static bool fold_setcond2(OptContext *ctx, TCGOp *op)
{
TCGCond cond = op->args[5];
@@ -1635,15 +1646,6 @@ void tcg_optimize(TCGContext *s)
}
break;
- CASE_OP_32_64(setcond):
- i = do_constant_folding_cond(opc, op->args[1],
- op->args[2], op->args[3]);
- if (i >= 0) {
- tcg_opt_gen_movi(&ctx, op, op->args[0], i);
- continue;
- }
- break;
-
CASE_OP_32_64(movcond):
i = do_constant_folding_cond(opc, op->args[1],
op->args[2], op->args[5]);
@@ -1802,6 +1804,9 @@ void tcg_optimize(TCGContext *s)
CASE_OP_32_64(shr):
done = fold_shift(&ctx, op);
break;
+ CASE_OP_32_64(setcond):
+ done = fold_setcond(&ctx, op);
+ break;
case INDEX_op_setcond2_i32:
done = fold_setcond2(&ctx, op);
break;
--
2.25.1
- Re: [PATCH v2 06/48] tcg/optimize: Split out init_arguments, (continued)
- [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
- [PATCH v2 33/48] tcg/optimize: Add type to OptContext, Richard Henderson, 2021/10/07
- [PATCH v2 39/48] tcg/optimize: Expand fold_mulu2_i32 to all 4-arg multiplies, Richard Henderson, 2021/10/07
- [PATCH v2 11/48] tcg/optimize: Return true from tcg_opt_gen_{mov, movi}, Richard Henderson, 2021/10/07
- [PATCH v2 19/48] tcg/optimize: Split out fold_setcond,
Richard Henderson <=
- [PATCH v2 21/48] tcg/optimize: Split out fold_addsub2_i32, Richard Henderson, 2021/10/07
- [PATCH v2 23/48] tcg/optimize: Split out fold_extract2, Richard Henderson, 2021/10/07
- [PATCH v2 29/48] tcg/optimize: Split out fold_mov, Richard Henderson, 2021/10/07
- [PATCH v2 20/48] tcg/optimize: Split out fold_mulu2_i32, Richard Henderson, 2021/10/07
- [PATCH v2 36/48] tcg/optimize: Split out fold_xi_to_x, Richard Henderson, 2021/10/07
- [PATCH v2 37/48] tcg/optimize: Split out fold_ix_to_i, Richard Henderson, 2021/10/07
- [PATCH v2 38/48] tcg/optimize: Split out fold_masks, Richard Henderson, 2021/10/07
- [PATCH v2 31/48] tcg/optimize: Split out fold_xx_to_x, Richard Henderson, 2021/10/07
- [PATCH v2 13/48] tcg/optimize: Use a boolean to avoid a mass of continues, Richard Henderson, 2021/10/07