[PATCH v2 5/8] tcg/tcg-op: Document bswap64_i64() byte pattern

[Philippe Mathieu-Daudé]

Signed-off-by: Philippe Mathieu-Daudé <phi...@linaro.org>
Reviewed-by: Richard Henderson <richard.hender...@linaro.org>
---
 tcg/tcg-op.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tcg/tcg-op.c b/tcg/tcg-op.c
index e6e62c4278..45290cccad 100644
--- a/tcg/tcg-op.c
+++ b/tcg/tcg-op.c
@@ -1846,6 +1846,11 @@ void tcg_gen_bswap32_i64(TCGv_i64 ret, TCGv_i64 arg, int 
flags)
     }
 }
 
+/*
+ * bswap64_i64: 64-bit byte swap on a 64-bit value.
+ *
+ * Byte pattern:  bswap64_i64(abcdefgh) -> hgfedcba
+ */
 void tcg_gen_bswap64_i64(TCGv_i64 ret, TCGv_i64 arg)
 {
     if (TCG_TARGET_REG_BITS == 32) {
-- 
2.41.0