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| author | Heiko Carstens <hca@linux.ibm.com> | 2024-02-03 11:45:26 +0100 |
|---|---|---|
| committer | Heiko Carstens <hca@linux.ibm.com> | 2024-02-16 14:30:18 +0100 |
| commit | 37346951a89ae0a6054d4286f5a90dadc57eee5d (patch) | |
| tree | 9c8a103ca9318207c4ce1987442597a101a0d5d2 /arch/s390 | |
| parent | ea8b75d2893681c91ffd89806caaa2ec5b22e073 (diff) | |
| download | linux-37346951a89ae0a6054d4286f5a90dadc57eee5d.tar.gz | |
s390/fpu: add vector instruction inline assemblies for crc32
Provide various vector instruction inline assemblies for crc32
calculations.
This is just preparation to keep the conversion of the existing crc32
implementations from assembly to C small.
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Diffstat (limited to 'arch/s390')
| -rw-r--r-- | arch/s390/include/asm/fpu-insn.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/arch/s390/include/asm/fpu-insn.h b/arch/s390/include/asm/fpu-insn.h index bbf782a2965d4..c1e2e521d9af7 100644 --- a/arch/s390/include/asm/fpu-insn.h +++ b/arch/s390/include/asm/fpu-insn.h @@ -167,6 +167,22 @@ static __always_inline void fpu_vesravb(u8 v1, u8 v2, u8 v3) : "memory"); } +static __always_inline void fpu_vgfmag(u8 v1, u8 v2, u8 v3, u8 v4) +{ + asm volatile("VGFMAG %[v1],%[v2],%[v3],%[v4]" + : + : [v1] "I" (v1), [v2] "I" (v2), [v3] "I" (v3), [v4] "I" (v4) + : "memory"); +} + +static __always_inline void fpu_vgfmg(u8 v1, u8 v2, u8 v3) +{ + asm volatile("VGFMG %[v1],%[v2],%[v3]" + : + : [v1] "I" (v1), [v2] "I" (v2), [v3] "I" (v3) + : "memory"); +} + #ifdef CONFIG_CC_IS_CLANG static __always_inline void fpu_vl(u8 v1, const void *vxr) @@ -195,6 +211,22 @@ static __always_inline void fpu_vl(u8 v1, const void *vxr) #endif /* CONFIG_CC_IS_CLANG */ +static __always_inline void fpu_vleib(u8 v, s16 val, u8 index) +{ + asm volatile("VLEIB %[v],%[val],%[index]" + : + : [v] "I" (v), [val] "K" (val), [index] "I" (index) + : "memory"); +} + +static __always_inline void fpu_vleig(u8 v, s16 val, u8 index) +{ + asm volatile("VLEIG %[v],%[val],%[index]" + : + : [v] "I" (v), [val] "K" (val), [index] "I" (index) + : "memory"); +} + static __always_inline u64 fpu_vlgvf(u8 v, u16 index) { u64 val; @@ -306,6 +338,14 @@ static __always_inline void fpu_vn(u8 v1, u8 v2, u8 v3) : "memory"); } +static __always_inline void fpu_vperm(u8 v1, u8 v2, u8 v3, u8 v4) +{ + asm volatile("VPERM %[v1],%[v2],%[v3],%[v4]" + : + : [v1] "I" (v1), [v2] "I" (v2), [v3] "I" (v3), [v4] "I" (v4) + : "memory"); +} + static __always_inline void fpu_vrepib(u8 v1, s16 i2) { asm volatile("VREPIB %[v1],%[i2]" @@ -314,6 +354,14 @@ static __always_inline void fpu_vrepib(u8 v1, s16 i2) : "memory"); } +static __always_inline void fpu_vsrlb(u8 v1, u8 v2, u8 v3) +{ + asm volatile("VSRLB %[v1],%[v2],%[v3]" + : + : [v1] "I" (v1), [v2] "I" (v2), [v3] "I" (v3) + : "memory"); +} + #ifdef CONFIG_CC_IS_CLANG static __always_inline void fpu_vst(u8 v1, const void *vxr) @@ -410,6 +458,14 @@ static __always_inline void fpu_vstl(u8 v1, u32 index, const void *vxr) #endif /* CONFIG_CC_IS_CLANG */ +static __always_inline void fpu_vupllf(u8 v1, u8 v2) +{ + asm volatile("VUPLLF %[v1],%[v2]" + : + : [v1] "I" (v1), [v2] "I" (v2) + : "memory"); +} + static __always_inline void fpu_vx(u8 v1, u8 v2, u8 v3) { asm volatile("VX %[v1],%[v2],%[v3]" |