From ad262fb56bd8b04a992f20c598286587080eb3c7 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Philippe=20Mathieu-Daud=C3=A9?= Date: Wed, 23 Aug 2023 16:55:41 +0200 Subject: [PATCH] tcg/tcg-op: Document wswap_i64() byte pattern MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Document wswap_i64(), added in commit 46be8425ff ("tcg: Implement tcg_gen_{h,w}swap_{i32,i64}"). Reviewed-by: Richard Henderson Signed-off-by: Philippe Mathieu-Daudé Message-Id: <20230823145542.79633-8-philmd@linaro.org> Signed-off-by: Richard Henderson --- tcg/tcg-op.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/tcg/tcg-op.c b/tcg/tcg-op.c index 58572526b7..02a8cadcc0 100644 --- a/tcg/tcg-op.c +++ b/tcg/tcg-op.c @@ -1950,6 +1950,11 @@ void tcg_gen_hswap_i64(TCGv_i64 ret, TCGv_i64 arg) tcg_temp_free_i64(t1); } +/* + * wswap_i64: Swap 32-bit words within a 64-bit value. + * + * Byte pattern: abcdefgh -> efghabcd + */ void tcg_gen_wswap_i64(TCGv_i64 ret, TCGv_i64 arg) { /* Swapping 2 32-bit elements is a rotate. */ -- 2.11.4.GIT