From: Philippe Mathieu-Daudé <philmd@linaro.org>
Date: Wed, 23 Aug 2023 14:55:37 +0000 (+0200)
Subject: tcg/tcg-op: Document bswap32_i32() byte pattern
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=9296455697dbc423f0ca201f75d4e44bfcb68a5b;p=qmiga%2Fqemu.git

tcg/tcg-op: Document bswap32_i32() byte pattern

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230823145542.79633-4-philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---

diff --git a/tcg/tcg-op.c b/tcg/tcg-op.c
index 88c7c60ffe..ed0ab218a1 100644
--- a/tcg/tcg-op.c
+++ b/tcg/tcg-op.c
@@ -1078,6 +1078,11 @@ void tcg_gen_bswap16_i32(TCGv_i32 ret, TCGv_i32 arg, int flags)
     }
 }
 
+/*
+ * bswap32_i32: 32-bit byte swap on a 32-bit value.
+ *
+ * Byte pattern: abcd -> dcba
+ */
 void tcg_gen_bswap32_i32(TCGv_i32 ret, TCGv_i32 arg)
 {
     if (TCG_TARGET_HAS_bswap32_i32) {