[FFmpeg-devel] [PATCH 3/3] configure: loongson enable subarch mips64

[Michael Niedermayer]

On Fri, May 08, 2015 at 06:17:59PM +0800, 周晓勇 wrote:
> From 1094ca8983b34492dece7da5cd09125dbda04726 Mon Sep 17 00:00:00 2001
> From: ZhouXiaoyong <zhouxiaoyong at loongson.cn>
> Date: Fri, 8 May 2015 09:08:00 +0800
> Subject: [PATCH 3/3] configure: loongson enable subarch mips64
> 
> 1.Fedora19(Loongson) has released 32bit version and 64bit will comming soon.
> 2.On 32bit OS check_64bit returns subarch as mips, but mips64 expected.
> 3.Loongson-3 compatible with mips64r2 instruction set, and added on with MMI.
> 4.-march=loongson3a conflict with -mips64 and -mips64r2.
> 5.Loongson-3A1000 and Loongson-3B1500 not support mipsdspr1 or mipsdapr2.
> 6.The new CPU 3A2000 support mipsdspr2.
> 
> Signed-off-by: ZhouXiaoyong <zhouxiaoyong at loongson.cn>
> ---
>  configure | 12 ++++++------
>  1 file changed, 6 insertions(+), 6 deletions(-)
> 
> diff --git a/configure b/configure
> index 0f79874..4e6fddd 100755
> --- a/configure
> +++ b/configure
> @@ -2028,7 +2028,7 @@ mips32r2_deps="mips"
>  mips32r5_deps="mips"
>  mips64r6_deps="mips"
>  msa_deps="mips"
> -loongson3_deps="mips"
> +loongson3_deps="mips64"
>  
>  altivec_deps="ppc"
>  dcbzl_deps="ppc"
> @@ -3923,6 +3923,7 @@ elif enabled mips; then
>              check_ldflags "-mabi=64"
>          ;;
>          loongson3*)
> +            subarch=mips64
>              enable mipsfpu
>              disable mips32r2
>              disable mips32r5
> @@ -3937,7 +3938,6 @@ elif enabled mips; then
>              enable fast_cmov
>              enable fast_unaligned
>              disable aligned_stack
> -            cpuflags="-march=$cpu"
>          ;;
>          generic)
>              disable mips32r5

> @@ -4087,7 +4087,9 @@ case "$arch" in
>          spic=$shared
>      ;;
>      mips)
> -        check_64bit mips mips64 '_MIPS_SIM > 1'
> +        if [[ ! "$cpu" =~ "loongson" ]]; then
> +            check_64bit mips mips64 '_MIPS_SIM > 1'
> +        fi

this is not valid POSIX code

[...]

-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Democracy is the form of government in which you can choose your dictator
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 181 bytes
Desc: Digital signature
URL: <https://ffmpeg.org/pipermail/ffmpeg-devel/attachments/20150509/f275db8f/attachment.asc>