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authorRichard Henderson2014-03-31 00:36:56 +0200
committerRichard Henderson2015-02-13 06:21:38 +0100
commitfe700adb3db5b028b504423b946d4ee5200a8f2f (patch)
tree09389b35e12808f2eb2e2f9754e50842b7b5a799 /tcg
parenttcg: Move emit of INDEX_op_end into gen_tb_end (diff)
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tcg: Introduce tcg_op_buf_count and tcg_op_buf_full
The method by which we count the number of ops emitted is going to change. Abstract that away into some inlines. Reviewed-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de> Signed-off-by: Richard Henderson <rth@twiddle.net>
Diffstat (limited to 'tcg')
-rw-r--r--tcg/tcg.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/tcg/tcg.h b/tcg/tcg.h
index e231bc936e..95f1aad7dc 100644
--- a/tcg/tcg.h
+++ b/tcg/tcg.h
@@ -537,6 +537,18 @@ struct TCGContext {
extern TCGContext tcg_ctx;
+/* The number of opcodes emitted so far. */
+static inline int tcg_op_buf_count(void)
+{
+ return tcg_ctx.gen_opc_ptr - tcg_ctx.gen_opc_buf;
+}
+
+/* Test for whether to terminate the TB for using too many opcodes. */
+static inline bool tcg_op_buf_full(void)
+{
+ return tcg_op_buf_count() >= OPC_MAX_SIZE;
+}
+
/* pool based memory allocation */
void *tcg_malloc_internal(TCGContext *s, int size);