| Message ID | 20230822093712.38922-6-philmd@linaro.org |
|---|---|
| State | New |
| Headers | show |
| Series | tcg: Document *swap/deposit helpers | expand |
On 8/22/23 02:37, Philippe Mathieu-Daudé wrote: > Document wswap_i64(), added in commit 46be8425ff > ("tcg: Implement tcg_gen_{h,w}swap_{i32,i64}"). > > Signed-off-by: Philippe Mathieu-Daudé<philmd@linaro.org> > --- > docs/devel/tcg-ops.rst | 4 ++++ > tcg/tcg-op.c | 5 +++++ > 2 files changed, 9 insertions(+) Reviewed-by: Richard Henderson <richard.henderson@linaro.org> r~
diff --git a/docs/devel/tcg-ops.rst b/docs/devel/tcg-ops.rst index d9364effd2..306025ece7 100644 --- a/docs/devel/tcg-ops.rst +++ b/docs/devel/tcg-ops.rst @@ -490,6 +490,10 @@ Misc - | Swap 16-bit halfwords within a 32/64-bit value. + * - wswap_i64 *t0*, *t1* + + - | Swap 32-bit words within a 64-bit value. + Conditional moves ----------------- diff --git a/tcg/tcg-op.c b/tcg/tcg-op.c index bb64326a1a..c436c5e263 100644 --- a/tcg/tcg-op.c +++ b/tcg/tcg-op.c @@ -1908,6 +1908,11 @@ 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: wswap_i64(abcdefgh) -> efghabcd + */ void tcg_gen_wswap_i64(TCGv_i64 ret, TCGv_i64 arg) { /* Swapping 2 32-bit elements is a rotate. */
Document wswap_i64(), added in commit 46be8425ff ("tcg: Implement tcg_gen_{h,w}swap_{i32,i64}"). Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> --- docs/devel/tcg-ops.rst | 4 ++++ tcg/tcg-op.c | 5 +++++ 2 files changed, 9 insertions(+)