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[PATCH v4 19/51] tcg/optimize: Split out fold_setcond
From: |
Richard Henderson |
Subject: |
[PATCH v4 19/51] tcg/optimize: Split out fold_setcond |
Date: |
Tue, 26 Oct 2021 16:09:11 -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 | 23 ++++++++++++++---------
1 file changed, 14 insertions(+), 9 deletions(-)
diff --git a/tcg/optimize.c b/tcg/optimize.c
index 24ba6d2830..f79cb44944 100644
--- a/tcg/optimize.c
+++ b/tcg/optimize.c
@@ -948,6 +948,17 @@ static bool fold_remainder(OptContext *ctx, TCGOp *op)
return fold_const2(ctx, op);
}
+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];
@@ -1648,15 +1659,6 @@ 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]);
@@ -1817,6 +1819,9 @@ 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
- [PATCH v4 09/51] tcg/optimize: Drop nb_oargs, nb_iargs locals, (continued)
- [PATCH v4 09/51] tcg/optimize: Drop nb_oargs, nb_iargs locals, Richard Henderson, 2021/10/26
- [PATCH v4 13/51] tcg/optimize: Use a boolean to avoid a mass of continues, Richard Henderson, 2021/10/26
- [PATCH v4 12/51] tcg/optimize: Split out finish_folding, Richard Henderson, 2021/10/26
- [PATCH v4 06/51] tcg/optimize: Split out init_arguments, Richard Henderson, 2021/10/26
- [PATCH v4 07/51] tcg/optimize: Split out copy_propagate, Richard Henderson, 2021/10/26
- [PATCH v4 08/51] tcg/optimize: Split out fold_call, Richard Henderson, 2021/10/26
- [PATCH v4 10/51] tcg/optimize: Change fail return for do_constant_folding_cond*, Richard Henderson, 2021/10/26
- [PATCH v4 11/51] tcg/optimize: Return true from tcg_opt_gen_{mov, movi}, Richard Henderson, 2021/10/26
- [PATCH v4 14/51] tcg/optimize: Split out fold_mb, fold_qemu_{ld,st}, Richard Henderson, 2021/10/26
- [PATCH v4 18/51] tcg/optimize: Split out fold_brcond, Richard Henderson, 2021/10/26
- [PATCH v4 19/51] tcg/optimize: Split out fold_setcond,
Richard Henderson <=
- [PATCH v4 20/51] tcg/optimize: Split out fold_mulu2_i32, Richard Henderson, 2021/10/26
- [PATCH v4 17/51] tcg/optimize: Split out fold_brcond2, Richard Henderson, 2021/10/26
- [PATCH v4 21/51] tcg/optimize: Split out fold_addsub2_i32, Richard Henderson, 2021/10/26
- [PATCH v4 22/51] tcg/optimize: Split out fold_movcond, Richard Henderson, 2021/10/26
- [PATCH v4 15/51] tcg/optimize: Split out fold_const{1,2}, Richard Henderson, 2021/10/26
- [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