diff mbox series

[v2,19/48] tcg/optimize: Split out fold_setcond

Message ID 20211007195456.1168070-20-richard.henderson@linaro.org
State New
Headers show
Series tcg: optimize redundant sign extensions | expand

Commit Message

Richard Henderson Oct. 7, 2021, 7:54 p.m. UTC 
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 tcg/optimize.c | 23 ++++++++++++++---------
 1 file changed, 14 insertions(+), 9 deletions(-)

Comments

Luis Fernando Fujita Pires Oct. 20, 2021, 10:27 p.m. UTC | #1 
From: Richard Henderson <richard.henderson@linaro.org>
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
>  tcg/optimize.c | 23 ++++++++++++++---------
>  1 file changed, 14 insertions(+), 9 deletions(-)

Reviewed-by: Luis Pires <luis.pires@eldorado.org.br>

--
Luis Pires
Instituto de Pesquisas ELDORADO
Aviso Legal - Disclaimer <https://www.eldorado.org.br/disclaimer.html>
diff mbox series

Patch

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;