update dependency golang.org/x/sys to latest

This commit is contained in:
Mechiel Lukkien
2024-08-22 20:39:41 +02:00
parent 5678b03324
commit e7e023c6d0
106 changed files with 9596 additions and 4141 deletions

3
vendor/golang.org/x/sys/cpu/cpu.go generated vendored
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@ -103,7 +103,10 @@ var ARM64 struct {
HasASIMDDP bool // Advanced SIMD double precision instruction set
HasSHA512 bool // SHA512 hardware implementation
HasSVE bool // Scalable Vector Extensions
HasSVE2 bool // Scalable Vector Extensions 2
HasASIMDFHM bool // Advanced SIMD multiplication FP16 to FP32
HasDIT bool // Data Independent Timing support
HasI8MM bool // Advanced SIMD Int8 matrix multiplication instructions
_ CacheLinePad
}

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@ -28,6 +28,7 @@ func initOptions() {
{Name: "sm3", Feature: &ARM64.HasSM3},
{Name: "sm4", Feature: &ARM64.HasSM4},
{Name: "sve", Feature: &ARM64.HasSVE},
{Name: "sve2", Feature: &ARM64.HasSVE2},
{Name: "crc32", Feature: &ARM64.HasCRC32},
{Name: "atomics", Feature: &ARM64.HasATOMICS},
{Name: "asimdhp", Feature: &ARM64.HasASIMDHP},
@ -37,6 +38,8 @@ func initOptions() {
{Name: "dcpop", Feature: &ARM64.HasDCPOP},
{Name: "asimddp", Feature: &ARM64.HasASIMDDP},
{Name: "asimdfhm", Feature: &ARM64.HasASIMDFHM},
{Name: "dit", Feature: &ARM64.HasDIT},
{Name: "i8mm", Feature: &ARM64.HasI8MM},
}
}
@ -144,6 +147,11 @@ func parseARM64SystemRegisters(isar0, isar1, pfr0 uint64) {
ARM64.HasLRCPC = true
}
switch extractBits(isar1, 52, 55) {
case 1:
ARM64.HasI8MM = true
}
// ID_AA64PFR0_EL1
switch extractBits(pfr0, 16, 19) {
case 0:
@ -164,6 +172,20 @@ func parseARM64SystemRegisters(isar0, isar1, pfr0 uint64) {
switch extractBits(pfr0, 32, 35) {
case 1:
ARM64.HasSVE = true
parseARM64SVERegister(getzfr0())
}
switch extractBits(pfr0, 48, 51) {
case 1:
ARM64.HasDIT = true
}
}
func parseARM64SVERegister(zfr0 uint64) {
switch extractBits(zfr0, 0, 3) {
case 1:
ARM64.HasSVE2 = true
}
}

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@ -29,3 +29,11 @@ TEXT ·getpfr0(SB),NOSPLIT,$0-8
WORD $0xd5380400
MOVD R0, ret+0(FP)
RET
// func getzfr0() uint64
TEXT ·getzfr0(SB),NOSPLIT,$0-8
// get SVE Feature Register 0 into x0
// mrs x0, ID_AA64ZFR0_EL1 = d5380480
WORD $0xd5380480
MOVD R0, ret+0(FP)
RET

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@ -9,3 +9,4 @@ package cpu
func getisar0() uint64
func getisar1() uint64
func getpfr0() uint64
func getzfr0() uint64

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@ -35,6 +35,10 @@ const (
hwcap_SHA512 = 1 << 21
hwcap_SVE = 1 << 22
hwcap_ASIMDFHM = 1 << 23
hwcap_DIT = 1 << 24
hwcap2_SVE2 = 1 << 1
hwcap2_I8MM = 1 << 13
)
// linuxKernelCanEmulateCPUID reports whether we're running
@ -104,6 +108,12 @@ func doinit() {
ARM64.HasSHA512 = isSet(hwCap, hwcap_SHA512)
ARM64.HasSVE = isSet(hwCap, hwcap_SVE)
ARM64.HasASIMDFHM = isSet(hwCap, hwcap_ASIMDFHM)
ARM64.HasDIT = isSet(hwCap, hwcap_DIT)
// HWCAP2 feature bits
ARM64.HasSVE2 = isSet(hwCap2, hwcap2_SVE2)
ARM64.HasI8MM = isSet(hwCap2, hwcap2_I8MM)
}
func isSet(hwc uint, value uint) bool {