tcg/loongarch64: Support v64 and v256

[PATCH 05/18] util/loongarch64: Detect LASX vector support

Posted by Richard Henderson 1 year, 5 months ago

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 host/include/loongarch64/host/cpuinfo.h | 1 +
 util/cpuinfo-loongarch.c                | 1 +
 2 files changed, 2 insertions(+)

diff --git a/host/include/loongarch64/host/cpuinfo.h b/host/include/loongarch64/host/cpuinfo.h
index fab664a10b..d7bf27501d 100644
--- a/host/include/loongarch64/host/cpuinfo.h
+++ b/host/include/loongarch64/host/cpuinfo.h
@@ -8,6 +8,7 @@
 
 #define CPUINFO_ALWAYS          (1u << 0)  /* so cpuinfo is nonzero */
 #define CPUINFO_LSX             (1u << 1)
+#define CPUINFO_LASX            (1u << 2)
 
 /* Initialized with a constructor. */
 extern unsigned cpuinfo;
diff --git a/util/cpuinfo-loongarch.c b/util/cpuinfo-loongarch.c
index 08b6d7460c..bb1f7f698b 100644
--- a/util/cpuinfo-loongarch.c
+++ b/util/cpuinfo-loongarch.c
@@ -29,6 +29,7 @@ unsigned __attribute__((constructor)) cpuinfo_init(void)
 
     info = CPUINFO_ALWAYS;
     info |= (hwcap & HWCAP_LOONGARCH_LSX ? CPUINFO_LSX : 0);
+    info |= (hwcap & HWCAP_LOONGARCH_LASX ? CPUINFO_LASX : 0);
 
     cpuinfo = info;
     return info;
-- 
2.34.1

Re: [PATCH 05/18] util/loongarch64: Detect LASX vector support

Posted by gaosong 1 year, 5 months ago

在 2024/5/28 上午5:18, Richard Henderson 写道:
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
>   host/include/loongarch64/host/cpuinfo.h | 1 +
>   util/cpuinfo-loongarch.c                | 1 +
>   2 files changed, 2 insertions(+)
Reviewed-by: Song Gao <gaosong@loongson.cn>

Thanks.
Song Gao
> diff --git a/host/include/loongarch64/host/cpuinfo.h b/host/include/loongarch64/host/cpuinfo.h
> index fab664a10b..d7bf27501d 100644
> --- a/host/include/loongarch64/host/cpuinfo.h
> +++ b/host/include/loongarch64/host/cpuinfo.h
> @@ -8,6 +8,7 @@
>   
>   #define CPUINFO_ALWAYS          (1u << 0)  /* so cpuinfo is nonzero */
>   #define CPUINFO_LSX             (1u << 1)
> +#define CPUINFO_LASX            (1u << 2)
>   
>   /* Initialized with a constructor. */
>   extern unsigned cpuinfo;
> diff --git a/util/cpuinfo-loongarch.c b/util/cpuinfo-loongarch.c
> index 08b6d7460c..bb1f7f698b 100644
> --- a/util/cpuinfo-loongarch.c
> +++ b/util/cpuinfo-loongarch.c
> @@ -29,6 +29,7 @@ unsigned __attribute__((constructor)) cpuinfo_init(void)
>   
>       info = CPUINFO_ALWAYS;
>       info |= (hwcap & HWCAP_LOONGARCH_LSX ? CPUINFO_LSX : 0);
> +    info |= (hwcap & HWCAP_LOONGARCH_LASX ? CPUINFO_LASX : 0);
>   
>       cpuinfo = info;
>       return info;

Re: [PATCH 05/18] util/loongarch64: Detect LASX vector support

Posted by Philippe Mathieu-Daudé 1 year, 5 months ago

On 27/5/24 23:18, Richard Henderson wrote:
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
>   host/include/loongarch64/host/cpuinfo.h | 1 +
>   util/cpuinfo-loongarch.c                | 1 +
>   2 files changed, 2 insertions(+)

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>