Message ID | 20200615175057.296354-1-tuliom@linux.ibm.com |
---|---|
State | New |
Headers | show |
Series | powerpc: Add new hwcap values | expand |
* Tulio Magno Quites Machado Filho via Libc-alpha: > Linux commit ID ee988c11acf6f9464b7b44e9a091bf6afb3b3a49 reserved 2 new > bits in AT_HWCAP2: > - PPC_FEATURE2_ARCH_3_1 indicates the availability of the POWER ISA > 3.1; > - PPC_FEATURE2_MMA indicates the availability of the Matrix-Multiply > Assist facility. > --- > sysdeps/powerpc/bits/hwcap.h | 2 ++ > sysdeps/powerpc/dl-procinfo.c | 2 +- > 2 files changed, 3 insertions(+), 1 deletion(-) > > diff --git a/sysdeps/powerpc/bits/hwcap.h b/sysdeps/powerpc/bits/hwcap.h > index 4a5a7bcded..e8f3fdea92 100644 > --- a/sysdeps/powerpc/bits/hwcap.h > +++ b/sysdeps/powerpc/bits/hwcap.h > @@ -74,3 +74,5 @@ > #define PPC_FEATURE2_SCV 0x00100000 /* scv syscall. */ > #define PPC_FEATURE2_HTM_NO_SUSPEND 0x00080000 /* TM without suspended > state. */ > +#define PPC_FEATURE2_ARCH_3_1 0x00040000 /* ISA 3.1. */ > +#define PPC_FEATURE2_MMA 0x00020000 /* Matrix-Multiply Assist. */ > diff --git a/sysdeps/powerpc/dl-procinfo.c b/sysdeps/powerpc/dl-procinfo.c > index 7a7d93dd0a..8dc07728f0 100644 > --- a/sysdeps/powerpc/dl-procinfo.c > +++ b/sysdeps/powerpc/dl-procinfo.c > @@ -77,7 +77,7 @@ PROCINFO_CLASS const char _dl_powerpc_cap_flags[64][15] > "", "", "", "", > "", "", "", "", > "", "", "", "", > - "", "", "", "htm-no-suspend", > + "", "mma", "arch_3_1", "htm-no-suspend", > "scv", "darn", "ieee128", "arch_3_00", > "htm-nosc", "vcrypto", "tar", "isel", > "ebb", "dscr", "htm", "arch_2_07", Change looks good to me. Do we want to update HWCAP_IMPORTANT at this point? I don't think so. It's already not very helpful on powerpc64le at least. Thanks, Florian
Florian Weimer via Libc-alpha <libc-alpha@sourceware.org> writes: > Do we want to update HWCAP_IMPORTANT at this point? I don't think so. > It's already not very helpful on powerpc64le at least. I agree.
Tulio Magno Quites Machado Filho via Libc-alpha <libc-alpha@sourceware.org> writes: > Florian Weimer via Libc-alpha <libc-alpha@sourceware.org> writes: > >> Do we want to update HWCAP_IMPORTANT at this point? I don't think so. >> It's already not very helpful on powerpc64le at least. > > I agree. Pushed as ae725e3f9cb4e1eb825ebe1d55241c98c2ea32f1. Thanks!
diff --git a/sysdeps/powerpc/bits/hwcap.h b/sysdeps/powerpc/bits/hwcap.h index 4a5a7bcded..e8f3fdea92 100644 --- a/sysdeps/powerpc/bits/hwcap.h +++ b/sysdeps/powerpc/bits/hwcap.h @@ -74,3 +74,5 @@ #define PPC_FEATURE2_SCV 0x00100000 /* scv syscall. */ #define PPC_FEATURE2_HTM_NO_SUSPEND 0x00080000 /* TM without suspended state. */ +#define PPC_FEATURE2_ARCH_3_1 0x00040000 /* ISA 3.1. */ +#define PPC_FEATURE2_MMA 0x00020000 /* Matrix-Multiply Assist. */ diff --git a/sysdeps/powerpc/dl-procinfo.c b/sysdeps/powerpc/dl-procinfo.c index 7a7d93dd0a..8dc07728f0 100644 --- a/sysdeps/powerpc/dl-procinfo.c +++ b/sysdeps/powerpc/dl-procinfo.c @@ -77,7 +77,7 @@ PROCINFO_CLASS const char _dl_powerpc_cap_flags[64][15] "", "", "", "", "", "", "", "", "", "", "", "", - "", "", "", "htm-no-suspend", + "", "mma", "arch_3_1", "htm-no-suspend", "scv", "darn", "ieee128", "arch_3_00", "htm-nosc", "vcrypto", "tar", "isel", "ebb", "dscr", "htm", "arch_2_07",