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>
qemu · Aug 24, 2023 · 9296455 · 9296455
1 parent 8b07880
commit 9296455
Showing 1 changed file with 5 additions and 0 deletions.
diff --git 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) {