From a80cdd3183ed85bc254cbe22ca240dc035fc6548 Mon Sep 17 00:00:00 2001
From: Richard Henderson <richard.henderson@linaro.org>
Date: Fri, 4 Jun 2021 14:26:45 -0700
Subject: tcg: Introduce tcg_remove_ops_after

Introduce a function to remove everything emitted
since a given point.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 tcg/tcg.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'tcg/tcg.c')

diff --git a/tcg/tcg.c b/tcg/tcg.c
index 81da553244..ca482c2301 100644
--- a/tcg/tcg.c
+++ b/tcg/tcg.c
@@ -2083,6 +2083,19 @@ void tcg_op_remove(TCGContext *s, TCGOp *op)
 #endif
 }
 
+void tcg_remove_ops_after(TCGOp *op)
+{
+    TCGContext *s = tcg_ctx;
+
+    while (true) {
+        TCGOp *last = tcg_last_op();
+        if (last == op) {
+            return;
+        }
+        tcg_op_remove(s, last);
+    }
+}
+
 static TCGOp *tcg_op_alloc(TCGOpcode opc)
 {
     TCGContext *s = tcg_ctx;
-- 
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