On Tue, Jul 29, 2025 at 6:31 AM Richard Sandiford
<richard.sandif...@arm.com> wrote:
>
> gcc.target/aarch64/saturating_arithmetic_{1,2}.c expect w0 and w1 to
> be duplicated into vectors. The tests expected the duplication of w1
> to happen first, but the other order would be fine too. A later
> simplify-rtx.cc patch happens to change the order.
>
> Tested on aarch64-linux-gnu. OK to install?
Ok.
>
> Richard
>
>
> gcc/testsuite/
> * gcc.target/aarch64/saturating_arithmetic_1.c: Allow w0 and w1
> to be duplicated in either order.
> * gcc.target/aarch64/saturating_arithmetic_2.c: Likewise.
> ---
> .../gcc.target/aarch64/saturating_arithmetic_1.c | 12 ++++++------
> .../gcc.target/aarch64/saturating_arithmetic_2.c | 8 ++++----
> 2 files changed, 10 insertions(+), 10 deletions(-)
>
> diff --git a/gcc/testsuite/gcc.target/aarch64/saturating_arithmetic_1.c
> b/gcc/testsuite/gcc.target/aarch64/saturating_arithmetic_1.c
> index acd2e11f41d..8fc1569845b 100644
> --- a/gcc/testsuite/gcc.target/aarch64/saturating_arithmetic_1.c
> +++ b/gcc/testsuite/gcc.target/aarch64/saturating_arithmetic_1.c
> @@ -4,24 +4,24 @@
>
> /*
> ** uadd:
> -** dup v([0-9]+).8b, w1
> -** dup v([0-9]+).8b, w0
> +** dup v([0-9]+).8b, w[01]
> +** dup v([0-9]+).8b, w[01]
> ** uqadd b([0-9]+), (?:b\2, b\1|b\1, b\2)
> ** umov w0, v\3.b\[0\]
> ** ret
> */
> /*
> ** uadd2:
> -** dup v([0-9]+).8b, w1
> -** dup v([0-9]+).8b, w0
> +** dup v([0-9]+).8b, w[01]
> +** dup v([0-9]+).8b, w[01]
> ** uqadd b([0-9]+), (?:b\2, b\1|b\1, b\2)
> ** umov w0, v\3.b\[0\]
> ** ret
> */
> /*
> ** usub: { xfail *-*-* }
> -** dup v([0-9]+).8b, w1
> -** dup v([0-9]+).8b, w0
> +** dup v([0-9]+).8b, w[01]
> +** dup v([0-9]+).8b, w[01]
> ** uqsub b([0-9]+), b\1, b\2
> ** umov w0, v\3.b\[0\]
> ** ret
> diff --git a/gcc/testsuite/gcc.target/aarch64/saturating_arithmetic_2.c
> b/gcc/testsuite/gcc.target/aarch64/saturating_arithmetic_2.c
> index 86c88f8447c..dd0fefac639 100644
> --- a/gcc/testsuite/gcc.target/aarch64/saturating_arithmetic_2.c
> +++ b/gcc/testsuite/gcc.target/aarch64/saturating_arithmetic_2.c
> @@ -4,16 +4,16 @@
>
> /*
> ** uadd:
> -** dup v([0-9]+).4h, w1
> -** dup v([0-9]+).4h, w0
> +** dup v([0-9]+).4h, w[01]
> +** dup v([0-9]+).4h, w[01]
> ** uqadd h([0-9]+), (?:h\2, h\1|h\1, h\2)
> ** umov w0, v\3.h\[0\]
> ** ret
> */
> /*
> ** uadd2:
> -** dup v([0-9]+).4h, w1
> -** dup v([0-9]+).4h, w0
> +** dup v([0-9]+).4h, w[01]
> +** dup v([0-9]+).4h, w[01]
> ** uqadd h([0-9]+), (?:h\2, h\1|h\1, h\2)
> ** umov w0, v\3.h\[0\]
> ** ret
> --
> 2.43.0
>
