From: Richard Henderson <richard.henderson@linaro.org>
Date: Thu, 10 Jun 2021 16:32:40 +0000 (-0700)
Subject: tcg: Fix documentation for tcg_constant_* vs tcg_temp_free_*
X-Git-Tag: v6.1.0~126^2~3
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=a14b3ad11af1803e018d2be8ca26be27f816872d;p=qemu-nvme.git

tcg: Fix documentation for tcg_constant_* vs tcg_temp_free_*

At some point during the development of tcg_constant_*, I changed
my mind about whether such temps should be able to be passed to
tcg_temp_free_*.  The final version committed allows this, but the
commentary was not updated to match.

Fixes: c0522136adf
Reported-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Luis Pires <luis.pires@eldorado.org.br>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---

diff --git a/include/tcg/tcg.h b/include/tcg/tcg.h
index 1d056ed0ed..064dab383b 100644
--- a/include/tcg/tcg.h
+++ b/include/tcg/tcg.h
@@ -1095,7 +1095,8 @@ TCGv_vec tcg_const_ones_vec_matching(TCGv_vec);
 
 /*
  * Locate or create a read-only temporary that is a constant.
- * This kind of temporary need not and should not be freed.
+ * This kind of temporary need not be freed, but for convenience
+ * will be silently ignored by tcg_temp_free_*.
  */
 TCGTemp *tcg_constant_internal(TCGType type, int64_t val);