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| author | Jussi Kivilinna <jussi.kivilinna@iki.fi> | 2020-12-30 17:46:01 +0200 |
|---|---|---|
| committer | Jussi Kivilinna <jussi.kivilinna@iki.fi> | 2020-12-30 17:46:01 +0200 |
| commit | 1d13794780e3d052cd5ed6f900bf5900cf44b377 (patch) | |
| tree | 622e2e8877df6820996f727c1a23663e2602207b /src/hwf-s390x.c | |
| parent | 0252cc9b62dfe20c77211f093b4fda54786177d3 (diff) | |
| download | libgcrypt-1d13794780e3d052cd5ed6f900bf5900cf44b377.tar.gz | |
hwf-s390x: add VX vector instruction set detection
* configure.ac (gcry_cv_gcc_inline_asm_s390x_vx): New check.
* src/g10lib.h (HWF_S390X_VX): New.
* src/hwf-s390x.c (HWCAP_S390_VXRS): New.
(s390x_features) [HAVE_GCC_INLINE_ASM_S390X_VX]: Add VX feature check.
* src/hwfeatures.c (hwlist): Add "s390x-vx".
--
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
Diffstat (limited to 'src/hwf-s390x.c')
| -rw-r--r-- | src/hwf-s390x.c | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/src/hwf-s390x.c b/src/hwf-s390x.c index 991e8c4c..25121b91 100644 --- a/src/hwf-s390x.c +++ b/src/hwf-s390x.c @@ -41,6 +41,16 @@ # define HAVE_STFLE 1 #endif +#ifndef AT_HWCAP +# define AT_HWCAP 16 +#endif +#ifndef HWCAP_S390_STFLE +# define HWCAP_S390_STFLE 4 +#endif +#ifndef HWCAP_S390_VXRS +# define HWCAP_S390_VXRS 2048 +#endif + struct feature_map_s { unsigned int facilities_bit; @@ -53,6 +63,9 @@ static const struct feature_map_s s390x_features[] = { 17, 0, HWF_S390X_MSA }, { 77, 0, HWF_S390X_MSA_4 }, { 146, 0, HWF_S390X_MSA_8 }, +#ifdef HAVE_GCC_INLINE_ASM_S390X_VX + { 129, HWCAP_S390_VXRS, HWF_S390X_VX }, +#endif }; #if defined(HAVE_SYS_AUXV_H) && defined(HAVE_ELF_AUX_INFO) && \ @@ -88,13 +101,6 @@ struct facilities_s u64 bits[3]; }; -#ifndef AT_HWCAP -# define AT_HWCAP 16 -#endif -#ifndef HWCAP_S390_STFLE -# define HWCAP_S390_STFLE 4 -#endif - static int get_hwcap(unsigned int *hwcap) { |