diff mbox series

[v2,3/8] tcg/tcg-op: Document bswap32_i32() byte pattern

Message ID 20230823145542.79633-4-philmd@linaro.org
State New
Headers show
Series tcg: Document *swap* helper implementations | expand

Commit Message

Philippe Mathieu-Daudé Aug. 23, 2023, 2:55 p.m. UTC 
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 tcg/tcg-op.c | 5 +++++
 1 file changed, 5 insertions(+)
diff mbox series

Patch

diff --git a/tcg/tcg-op.c b/tcg/tcg-op.c
index 80ec6f01c4..fc9b21d30c 100644
--- a/tcg/tcg-op.c
+++ b/tcg/tcg-op.c
@@ -1069,6 +1069,11 @@  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:  bswap32_i32(abcd) -> dcba
+ */
 void tcg_gen_bswap32_i32(TCGv_i32 ret, TCGv_i32 arg)
 {
     if (TCG_TARGET_HAS_bswap32_i32) {